CN115722497A

CN115722497A - Device for removing carbon deposition of range hood by laser

Info

Publication number: CN115722497A
Application number: CN202211416836.0A
Authority: CN
Inventors: 曹钢
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-03

Abstract

The invention relates to a device for removing carbon deposition of an ionization sheet of a range hood by using laser, which uses a laser diode with a semiconductor wave band of 430 nm-465 nm and light power of 3-6W, uses a focusing collimating lens and a collimating mirror flat window for packaging, uses a linear cylindrical lens, a Bawell prism and a galvanometer lens, connects an integrated mainboard by a laser driving board, installs glass, K9 and JGS1 quartz coated protective lenses in front of a laser protective sleeve, adopts a refrigerating sheet and a heat pipe for heat dissipation, uses a U-shaped rotary support arranged on a transmission device frame to vertically stop a laser head in a cleaning cabin of an X-axis starting point or glass, K9 and JGS1 quartz base materials on a mounting support to coat the unidirectional reflecting lenses by using reflected light beam energy to clean the laser head protective lenses, installs an X-axis stepping motor, a Y-axis stepping motor, a synchronizing wheel and a laser head fixing seat on an X-axis in the transmission device frame, collides with a wedge-shaped collision deflector rod on the transmission device frame to control the inclined incident angle of the laser head, and uses PC, PP, ABS, nylon, PPS, FR4 epoxy resin material as a local inner shell or an integral synchronous belt installed in a range hood.

Description

Device for removing carbon deposition of range hood by laser

The technical field is as follows:

the invention relates to a device for removing oil stain and carbon deposit on an ionization sheet of a plasma ionization range hood by using a laser emission device, and a range hood applying the device, wherein the plasma ionization range hood ionizes the oil stain by using the ionization sheet, the ionization sheet is made of aluminum or stainless steel, the size of the ionization sheet is 290 x 210 x 110mm at 600 air volume/min, the ionization sheet is divided into a high-pressure dust collection area and a low-pressure dust collection area, the high-pressure area is made of metal molybdenum wires or serrated metal sheets, the low-pressure dust collection area is 210 x 110mm, the space between grid type low-pressure blades which are vertically arranged in the width direction is 5mm, and both sides of the blades which are densely arranged are deposited with the oil stain and the carbon deposit, so the device is not easy to clean.

Background art:

under the national requirement for environmental protection and emission reduction of catering enterprises, commercial plasma ionization range hoods have been popularized in recent years, emission of VOC, oily waste gas and pollutants can be reduced, the national requirement for emission of waste gas of catering kitchens is met, after the existing commercial plasma ionization range hoods are used for a period of time, oil stain and impurities can be deposited in an ionization sheet dust collection area, the ionization sheet needs to be disassembled to soak the ionization sheet in a decontamination solution, two sides of the ionization sheet are cleaned by a metal wire brush, the commercial ionization sheet technology is used for reducing the emission of VOC of the household range hoods, the national policy of energy conservation and emission reduction is met, because consumer groups mainly comprising old people and housewives have problems in equipment disassembly, cleaning and installation, the cleaned ionization sheet cannot thoroughly dry and noise and has risks of short circuit, ignition, arc drawing and the like, the prior art cannot clean carbon deposit under the condition of not disassembling the ionization sheet to meet the requirement for safety and reliability of household equipment, and the application of the plasma ionization range hoods in the household market of the plasma ionization range hoods is influenced.

The domestic household cooking mode can not use active carbon or filter screen, the cost is too high, and commercial plasma blades are easy to be dirty and need to be disassembled, replaced, and cleaned by soaking in a cleaning agent, the active carbon adsorption internal circulation range hood used by the domestic household cooking mode is disassembled as a household range hood, the cleaning high-voltage static group non-professional operation has electric shock danger, a metal shell and an ionization sheet used by the existing household range hood are installed together, oil stain deposition and condensate water can lead the shell to be conductive, the safety can not meet household requirements, air pollution in an indoor room, viruses, bacteria, peculiar smell, formaldehyde and PM2.5 influence the living quality, and the existing range hood can only solve the problem of kitchen oil smoke discharge and can not solve the indoor air pollution.

The self-cleaning technology of the existing household range hood adopts an electric heating impeller, steam washing, industrial wet water mist dust removal, water curtain dust removal and ultrasonic atomization, and the ultrasonic washing technology cannot be used for cleaning plasma blades of the household range hood, because the ultrasonic water mist is used near a high-voltage ionization sheet and is easy to conduct electricity, water vapor, condensate water and a metal shell of the range hood can conduct electricity, the insulation of the whole machine is influenced, and the problem of secondary pollution is caused by sewage discharge after oil stain removal.

The laser cleaning method has the advantages that the industrial use effect of cleaning the metal part pollution layer by adopting the laser is good, pulse laser is radiated to the part to be cleaned, the temperature of the pollution layer or the base body is increased sharply after the pollution layer or the base body absorbs laser energy, a series of changes such as expansion, gasification, thermal shock, thermal vibration, shattering and the like are further generated, the pollution layer is separated from the base body, the laser cleaning effect is determined by the energy threshold value of the laser cleaning, and the metal cleaning threshold value is 1J-10J/cm ² The cleaning threshold value of the organic matter is 0.1J-1J/cm ² Reference: the research current situation and prospect of laser cleaning of metal surface pollutants, wanghai general, liu Wei 23916, leap and leap, internal combustion engine and accessories, 2016, stage 008, theoretical model and experimental research of dry laser cleaning, university of south Kelvin, tianbin, 2008, research on metal surface laser cleaning technology, university of Huazhong science and technology, shuhong, 2014, has made the analysis of theoretical and technical principles for the existing industrial laser cleaning device, the existing industrial laser derusting equipment has the defects of large power, large volume and high price, and the specific use mode in practical application is different, the existing engraving machine laser head has the defects that light rays vertically penetrate to cut, a radiating fin with fan refrigeration, the lens cannot turn to 180 degrees, the laser head of the laser marking machine is matched with a biaxial galvanometer to realize rapid marking but has large volume, the hand-held part of carbon dioxide laser medical treatment is a single galvanometer, and the main machine is a CO dot matrix ² The light source has large volume and fragile glass material, and the existing laser in the market has CO ² Market price of laser is 1-3 ten thousand yuan, excimer laser is 5 ten thousand yuan, optical fiber laser is 1-3 ten thousand yuan, semiconductor laser 30-1 kilo-wavelength solid laser 2 ten thousand yuan, its wavelength, pulse width, volume, price are different, household equipment must consider volume, effect, reliability, price must also be able to bear.

The invention content is as follows:

in order to overcome the defects of the prior art, the invention uses a laser diode laser with high integration, small volume and high cost performance, which is used for an engraving machine, and has the light power of 430 nm-470 nm of optical power of 3.5W-6W of a blue light semiconductor, and is arranged in a phi 18mm laser diode protective copper sleeve, a focusing cap with threads is arranged in front of the copper sleeve, a window sheet arranged in front of the focusing cap uses glass, K9 and quartz protective lenses, and glass, K9 and quartz reflective lenses which are coated in a one-way mode are used for cleaning the lens of the laser diode, the specific optical glass can be divided into various series of silicate, borate, phosphate, fluoride and chalcogenide compounds, traditionally, various glasses with nD > 1.60, VD > 50 and nD < 1.60, VD > 55 are crown (K) glass, the rest various glasses are flint (F) glass, the crown glass is generally used as a convex lens, the flint glass is generally used as a concave lens, and the flint glass belongs to the borosilicate system, the light crown glass, the heavy crown glass and barium flint glass belong to the alkali-free borosilicate system, most of borosilicate glass belongs to the lead glass, and almost all the lead glass is applied to the borosilicate system, and the lead glass with the cycle of the elements thereof; the composition of K9 is as follows: siO2=69.13 =10.75% b2o3= -3.07% na2o = -10.40% k2o = -6.29% as2o3= -0.36%, optical constants are: the glass has the advantages that the refractive index =1.51630, the dispersion =0.00806 and the Abbe number =64.06, the K9 glass is a crystal of silicon dioxide, the glass only contains a molten mixture of the silicon dioxide and has higher hardness (Mohs 7 grade), the hardness of the glass is lower (Mohs 5.5 grade), the glass can be formed by hot casting, the material and labor are saved, the cost is low, the K9 glass is a crystal and can not be reversed after being heated and melted, so the hot casting method can not be used, and only cold processing methods such as cutting and grinding can be used; the quartz glass is a special glass containing only silicon dioxide single component, and is called silicate glass, quartz glass, fused quartz and synthetic fused quartz abroad, the invention uses a semiconductor laser diode used by a laser engraving machine to clean carbon deposition of a plasma ionization sheet of an oil smoke machine, realizes non-contact, accurate positioning, no secondary pollution to the environment, no material consumption, no chemical and organic solution in the equipment, no damage to the insulation environment, ensures the stability of a discharge electrode wire and an electric field, prolongs the working time of the ionization sheet, realizes the purpose of no disassembly and cleaning of the ionization sheet, uses a one-way reflection lens to clean oil stains on a laser lens, keeps the cleaning device body clean, and meets the requirement of product reliability.

In order to realize the purpose, the technical scheme adopted by the invention is as follows: referring to the main structure of the fan exhaust gas recirculation turbocharged range hood of the invention patent ZL201610543409.7, after exhaust gas passes through a main gas inlet, an ionization sheet, a main fan and an exhaust gas outlet, part of the exhaust gas passes through an exhaust gas recirculation pipeline and is mixed with fresh air to flow to the front of the ionization sheet again, and purification efficiency is improved by utilizing high-concentration ions contained in the exhaust gas, the volume and power of the ionization sheet of the household range hood can be reduced under the condition that emission standards are not influenced, a laser automatic cleaning device is arranged in a smoke collection cavity shell of the range hood, one is arranged below the ionization sheet, a laser lens irradiates the ionization sheet upwards, or is arranged above the ionization sheet, and the laser lens irradiates downwards, and the laser automatic cleaning device is characterized by comprising: a stepping motor with X and Y axes is used for respectively driving a synchronizing wheel and a synchronizing wheel, a linear track sliding block connected with a motor support is driven to move along a linear slide way, the linear sliding block and the synchronizing belt are fixed by a synchronous belt pressing sheet, a laser head fixing seat arranged on the X axis and a linear sliding block fixed on the synchronous belt by screws move along an X-axis linear slide way, the Y axis is connected with a front support component and a rear support component of the X axis to drive the whole X axis to move along the Y axis direction, the motor can be arranged on a motor base by screw rod transmission besides the structure of the synchronizing wheel and the synchronous belt, a motor shaft penetrates through a motor flange sheet or a plum blossom coupling to be connected with a T-shaped screw rod, the tail part of the screw rod is arranged in a bearing support sheet of the track fixing seat, the sliding block is arranged on the T-shaped screw rod, a linear guide rail arranged in the same direction below the T-shaped screw rod, the sliding block and the sliding block on the linear guide rail are fixed by screws, a motor fixing seat flange plate, the fixing seat bearing support sheet and the linear rail are integrally connected on a bottom plate, the linear rail is arranged on the screw rodThe invention can mount another transmission device with different axial directions and/or mount other parts in the fixed hole, install the fixed seat of laser head on the synchronizing wheel, drive device X axle of the synchronizing band structure, install laser diode protective sleeve in the fixed seat of laser head installed with the screw fixedly and use aluminium or copper TO make, the radiating effect of the aluminium sheath is only 60% of copper, pack laser diode and connecting wire into laser tube LD seat with the shrivelled tight fit of the head of the laser tube in the protective sleeve, or does not use the shrivelled machine of the head TO install spring and focusing cap in the front of the copper sheath of protection in front of laser diode, the focusing cap uses the internal thread or external screw thread TO connect with protective sleeve of laser head, mount the protective lens inside, use the spring TO compress the diode shell edge of laser head and fix in laser head LD fixed seat with the lens with the rear of protective lens, lens seat diameter 9mm, adopt TO5 TO pack, the window slice of front end uses the double-layer coated glass lens as the protective lens, use the positive, negative pole pin of the laser diode TO use 0.5mm ² The welding position of an XH 2.54P wire is wrapped by a heat shrinkable tube and an electrical tape and is insulated after being welded, the male head of the 2P wire is inserted into a female head socket of a B75 type 450nm laser driving circuit board with the size of 40 × 40mm, then the TTL 3P female head socket of a mainboard, which is connected with the male head of the XH 2.54P wire, is led out from a wiring terminal of a laser driving board, is connected with the male head of the XH 2.54P wire, has the voltage of 8.7-12V, the voltage of 3.3-6.5V, has adjustable constant current output and TTL control, and X-axis stepping motors and Y-axis stepping motors are respectively connected with 2 motor drivers TB6600 drivers which are independently connected or DKC-1A single-axis stepping servo motor controllers or use integrated laser engraving main control boards, and the selectable stepping motor driving module comprises: a4988, DRV8825, GC6609, FQ6630, TMC2209, TMC5160 and the like, wherein the stepping motor driving modules with the same type are respectively inserted into corresponding X-axis and Y-axis integrated mainboard interfaces, GRBL 2-axis and 3-axis integrated laser control boards are provided with onboard motor drives or driving module mounting positions, and are integrated with various laser head interfaces, multi-axis stepping motor interfaces, limiting interfaces, power supply input and output, wiFi, TF card offline control, steering engines, main shaft control and the like, so that the laser driving circuit board, a laser engraving mainboard and a range hood main control board can be integrated together to support various functional modules, and more brands of the integrated laser engraving mainboard have creativity base Makerbase MDLC 32 laser, writing machines, KS 32 laser, GRBL, CNC engraver mainboard, annoytools brand Laser, writer, GRBL, CNC engraver mainboard, etc., the invention uses creature base MKS DLC32 mainboard, installs upper computer software MKS ESP32Download Tool on the computer, installs CH340G-USB drive first, then uses USB square mouth printing line to connect Makerbase MKS DLC32 mainboard, configures parameters in the MKS ESP32Download Tool software installed on the computer, selects COM mouth the same as the computer, selects the baud rate 921600, uploads the Board _ V2.0\ V2.0.8_ H24_20211222 \ "N.bin file in the firmware folder, clicks the software start button to burn the driver into the mainboard, also can burn the software such as Lagrbl, micro-carving pipe house, quinary, luban carving, etc., then sets the parameters such as moving step number, distance, starting card slot, etc. to match the mainboard position, installs the debugging function by using hand TF, installs the offline debugging function of MTF or WiFi software, setting a distance between Laser heads and an ionization sheet grid at 5-10mm when in work, irradiating light beams emitted by Laser diodes on the side surfaces of each vertical separation sheet of the ionization sheet in an inclined mode through a transmission device, controlling and driving a Laser head fixing seat and a Laser head to irradiate and remove carbon and clean the ionization sheet in a line scanning mode along with an X-axis transmission device and a Y-axis transmission device, meanwhile, in order to ensure that a Laser head body is not polluted by oil stains, a raised reflection lens support seat 15X 2mm is arranged on an installation frame bottom plate under the Laser head at the starting point of the Laser head, or a raised plastic support with the length of 40mm, the width of 12mm and the thickness of 3mm is arranged on the inner wall of a smoke collection cavity, a single-side reflection lens made of 10X 1mm glass, K9 and quartz materials is arranged in the middle of the support, two sides of the lens support are provided with U-shaped rotary supports with openings 30mm, the width of 30mm, the length of 40mm and the thickness of 3mm, when the Laser head stops, the inclined Laser head fixing seat can be shifted to be vertically opposite to the reflection sheet, when the laser head is started each time, laser is directly irradiated for 10 seconds or quickly flickers for 10 times, the energy of a light beam irradiation reflector plate is used for reflecting and cleaning dust, impurities and evaporated oil on a protective lens of the laser head, a laser lens is always kept in a clean state, ionization plates with the air volume of 600/min and the density of 290 × 210 × 110mm are taken as examples, the ionization plates are made of stainless steel or aluminum, 30 high-voltage plates, 210 × 25mm and 46 low-voltage grid plates, 210 × 80mm are arranged, and the distance between every two ionization plates is 5mmIs installed in a frame with a width, and the single-side area after the frame is unfolded is 0.92m ² Double-sided 1.84m ² The plasma ionization plate is adopted to filter oil smoke, and oil stain is not separated by using an impeller of a traditional range hood, so that the same clean discharge effect of the high-power ionization plate can be realized by using an axial flow fan with higher exhaust efficiency, an oblique flow (mixed flow) fan with smaller volume and lower power to match with an exhaust gas recirculation turbocharger.

The laser head diodes have a number of brands: the invention is a laser diode with the preferred blue-violet light semiconductor wavelength of 430nm to 470nm and the optical power of 3.5 to 6W, and the working voltage is as follows: 3-5.5V, the working voltage can be adjusted according to different wave bands, and the operation mode is as follows: continuous, excitation mode: electrically excited, optical path: transmission-type external optical path, output power: the power type, TO5 encapsulation supports PWM or TTL modulation signal control mode, has multiple compound mode TO realize cleaing away ionization piece greasy dirt, carbon deposit with laser:

the first is that a laser diode with a blue semiconductor wave band of 430 nm-470 nm for a carving machine is provided with a focusing collimation lens, the laser diode is arranged in a laser head protective copper sleeve, a TO5 packaging standard phi 9mm collimation focusing lens is adopted, a phi 9mm thick 2mm high damage threshold coating is arranged in front of the focusing lens, a double-layer coated glass protective lens is arranged, and a focusing light spot is 1-1.5mm ² The laser head protective sleeve is a cylinder with the length of 4cm and the phi of 1.6-2.2 cm and is fixed on the laser head mounting seatThe smoke collector is driven by an X-axis transmission device and a Y-axis transmission device, and the smoke collector is small in overall structure and easy to install in a smoke collection cavity;

the second laser head uses blue semiconductor 430 nm-470 nm wave band, TO5 packaging, does not use focusing collimating lens, such as Nichia455-4700M single tube collimator window packaged 455nm 4.7W laser diode or Japanese Sharp brand 440nm 3.5w band voltage-regulator tube laser diode GH04C05Y9G, when using different working voltage 4.0V, 4.6V, 5.3V, the wavelength is 430nm, 440nm, 450nm, the beam divergence angle (parallel) is 4 degree, 10 degree, 16 degree, the beam divergence angle (vertical) is 35 degree, 43 degree, 53 degree; the ionization sheet is irradiated by naturally-diffused focal light, a piece of double-layer coated glass with a high damage threshold resistant coating is arranged in front of the diode protective sleeve, the double-layer coated glass has the effects of preventing slag from being removed and preventing oil stains, and as the irradiation distance is only 1-11cm, the light spot divergence angle is small, the energy loss is small, and the divergence focal width is 2-3mm ² The fixed focus is positioned at the middle 6cm position of an ionization sheet, a Z axis is used for moving up and down to adjust the focus, the Z axis uses a 8mm micro motor, the size of a slide way is 3-5cm, the Z axis is arranged on the Y axis, a laser head fixing seat and a phi 1.8cm cylindrical laser head protection copper sleeve are arranged on the Y axis, and a 3-axis main circuit laser control board and 3 stepping motor drivers are used for controlling;

the third is to adopt a 2mm thick straight cylindrical glass lens phi 9mm with a divergence angle of 5 degrees to 30 degrees and a price of 10 yuan/piece, install the lens in front of a laser diode, use a high damage resistant threshold coating film on the straight lens, use the lens as a laser protective lens, the existing straight lens is used as a laser marking of a laser level meter, has a wider focus when used for removing carbon, and has a faster scanning speed;

the fourth method adopts a Powell prism with the diameter of 9mm and 90-element glass lenses, can eliminate the central hot spot and the discolored edge distribution of Gaussian beams, has uniform density, stability and linearity superior to the scribing mode of a linear cylindrical lens, is made of optical glass, has the thickness of 5-8mm, is arranged in front of a focusing collimating mirror and is fixed by a Powell lens pressing ring, selects the linear cylindrical lens with the divergence angle of 8-30 degrees or the Powell prism lens limited by the installation position, the near focus is 1cm, the far focus is 11cm, the focal distance is close to influence the light scattering width, the cleaning threshold is reduced by increasing the laser incident angle width, and the method is calculated as follows: a word line lens and Powell lens: the light beam with the divergence angle of 10 degrees, the light beam with the divergence width of 2cm and the divergence angle of 30 degrees at the position of 11cm, the light beam with the divergence width of 5cm at the position of 11cm, the scanning width of the light beam is wider than that of a focusing collimating lens, and a double-layer coating film is made on the Baville lens or a double-layer coated glass protective lens is arranged in front of the lens;

the fifth one is that laser diode with 430 nm-470 nm wave band is used and has focusing collimating lens or laser diode packaged in the flat window of collimating lens and matched with high-speed scanning galvanometer, the double-layer coated glass protecting lens is mounted in the vibrating galvanometer module, the laser diode light beam is irradiated on the vibrating galvanometer lens, and a position signal is inputted, the swinging motor (laser vibrating galvanometer) can swing a certain angle according to the conversion ratio of a certain voltage and angle, and the laser light beam is reflected by reflecting lens driven by miniature motor and projected on the designated position of X and Y planes, so that it is a good vector scanning device, and is a special swinging motor, its basic principle is that the energized coil can produce moment in magnetic field, but is different from rotating motor, and its rotor is added with reset moment by means of mechanical spring or electronic method, and its magnitude is proportional to the angle of rotor deviating from equilibrium position, when the coil is electrified with a certain current and the rotor deflects to a certain angle, the electromagnetic torque is equal to the restoring torque, so the rotor can not rotate like a common motor and can only deflect, the deflection angle is in direct proportion to the current, and the rotor is the same as a galvanometer, so the galvanometer is also called a galvanometer scanning galvanometer, the existing double-shaft scanning galvanometer is used on a laser engraving machine and a laser marking machine, the single-shaft laser line galvanometer is used on dental scanning galvanometer equipment, the miniature galvanometer is used on a small projector, the low-price product is a stage light galvanometer, the scanning speed is more than 15-30kpps (15-30 k ILDA standard test chart), the 30kpps scanning speed is equivalent to running three thousand points in one second, the price is 140-300 yuan, the scanning area is controlled by the galvanometer control plate, and the size of the galvanometer body is larger than that of a laser diode sheath, the price is higher, and the scanning range is large, the speed is high, the size is large when the resonator is installed in a smoke collection cavity of a range hood, the X-axis single-shaft transmission device is used for controlling the vibrating mirror to move along the X axis, the vibrating mirror is used for controlling light beams to irradiate along the Y axis by a self-provided deflection motor, and the laser engraving vibrating mirror JY-20K DIY450 with Shenzhen platinum laser and the SC2525K vibrating mirror with Shenzhen Tianji are selectable in the mature technology;

the sixth one is a laser using the beam energy superposition and beam combination technology of 2-3 high-power laser diodes, the optical power is 10W, the electric power is 7W-60W, the laser beam combination technology is used, and the method comprises the following steps: the spatial beam combination overlapped 2 laser diodes are converged by a 90-degree reflector and a first direct laser head beam by a coupling lens; the wavelength beam combination is that more than two laser beams with different wavelengths are combined in a light path through a beam combiner; the polarization beam combination is to combine two beams of laser with polarization states vertical to each other into one beam by utilizing a polarization beam combiner to improve the brightness, and a semiconductor laser which uses a semiconductor laser diode as a light source to be connected with single-mode (multi-mode) optical fiber coupling is adopted in the coupling technology according to the structure types: the single lens coupling, the combined lens coupling and the fiber micro lens coupling are all laser diodes, the Shenzhen laser RGB combined laser A1-W50005W has the wavelength of 445nm and the size of 68 × 60 × 54mm, the temperature control, the drive and the laser are completely integrated, the structure is small and compact, only direct current power supply is needed outside, the RGB20W lasers A-RGB20W with higher power are adopted, the MAX Shenzhen laser has the advantages that the single wavelength HDLS high-power semiconductor laser system with 1000-1500W has higher electro-optic conversion efficiency, more compact volume and more competitive price than the fiber laser, the performance exceeds the use requirement of household equipment, the commercial and industrial application can be met, and the above multiple modes can be used for removing carbon deposition of an ionization sheet by the semiconductor laser.

The laser decarbonization adopts a laser diode laser with a blue light continuous semiconductor wavelength of 430 nm-470 nm and optical power of 3.5-6W, corresponds to different wavelength bands by adjusting voltage, and has common wavelength bands of blue light diodes of inferior, sharp and European brands in the market of 440nm, 450nm and 455nm as a laser head module, and comprises the following components: laser diode, LD fixed seat, lens fixed seat, spring, circuit cabin protection copper sleeve, focusing seat, lens sleeve, laser focusing collimation lens, PCB driving circuit board, wire, power line, voltage 12V-24V, supporting PWM or TTL modulation signal control mode, light emitting form is point, focusing, lens material is optical glass plated high reflection film, shell material is brass, red copper, shell aluminum anode black or copper sleeve, laser diode is installed in the middle of circuit cabin protection copper sleeve, phi 9mm focusing collimation lens specification M9P0.5, focal length 8.3mm, three layers of coated glass lens, copper shell installed with focusing collimation lens has external thread connected with circuit cabin protection copper sleeve, focal length when focusing laser head is used is 1.8cm, laser head anode and cathode are welded with XH2.54 2P 0.5 square tail end and diode anode and cathode pins and protected by heat shrinkage tube, the male head of the 2P wire is inserted into an interface of a B75 laser drive board, then the male head of the XH 2.54P wire is led out from a wiring terminal of the laser drive board and inserted into a TTL interface of an integrated mainboard, the mainboard supports various PWM or TTL laser interfaces and is provided with a drive and adjustable voltage, the laser head is mature in use technology on a carving machine, the price of 3.5W-60W is 80-900 yuan, the working temperature is 0-70 ℃, the service life is 10000 hours, the laser head can work for more than 13 years every day, the use environment is between an air inlet and an air outlet of a range hood, a main fan is started when in decarbonization work, the air quantity, the air pressure and the heat dissipation environment are superior TO the small-sized radiating fan of the existing carving laser head, a laser head module adopts a TO5 packaging standard 9mm laser diode component, the total length is 40mm, a metal cylinder with the diameter of 18mm, and can be packaged into a laser head fixing base with the outer diameter of 22mm and the inner diameter of 18mm, the fixing seat is made of copper and is tightly combined with a protective copper sleeve by heat dissipation silicone grease, two heat pipe radiators are arranged at the position of a laser head at the front end of the fixing seat, a normal-temperature heat conduction flat copper pipe with the thickness of 60 x 8mm x 2mm is adopted, a porous material liquid suction core (wool core) is arranged in the heat conduction flat copper pipe, negative pressure of 1.3 x (10 minus 1-10 minus 4) Pa is pumped in the heat conduction flat copper pipe, heat conduction liquid (mixed liquid of ether, high-purity water, alcohol and copper powder) is filled in the heat conduction flat copper pipe, the capillary porous material of the liquid suction core close to the inner wall of the heat pipe is filled with liquid, then two ends of the copper pipe are sealed, one end of the heat pipe is an evaporation section (heating section), the other end of the heat pipe is a condensation section (cooling section), the liquid in the wool core is evaporated when one end of the heat pipe is heated, the vapor flows to the other end under the slight pressure difference to emit heat to be condensed into the liquid, the liquid flows back to the evaporation section along the porous material under the action of the capillary force, and the circulation is not completed, the heat is transmitted to the other end from one end of the heat pipe, a single heat pipe uses a flat copper pipe with the width of 60 x 8mm x 2mm, the flat copper pipe is obliquely and spirally attached along the wall of the protective copper sleeve and then is adhered, the tail part is bent by 20mm, the whole length of the laser protective sleeve is not more than 40mm, the tail part of the heat pipe is provided with a small fin-shaped copper radiating fin, the heat pipe is adhered to the shell of the laser head fixing seat by directly adhering a radiating fin through Kafter heat-conducting silica gel K-5205 curable heat-conducting silica gel, except for passive heat radiation of the heat pipe, a 10 x 30mm semiconductor refrigerating piece 12V is arranged in a 10 x 35mm opening formed in the wall surface of a circular pipe with the diameter of 22mm of the laser head fixing seat, the power supply is connected to a 12V fan socket of the integrated control board, the refrigerating surface of the refrigerating piece and the protective copper sleeve of the laser head are adhered to the outside, and the heat radiating surface of the refrigerating piece is adhered to the heat pipe, and the heat is led out by the heat pipe and taken away by a main fan of the range hood.

The galvanometer module is characterized in that: the optical scanning servo control device consists of an optical scanning part and a servo control part, and comprises the following components: the vibrating mirror comprises a vibrating mirror housing, a vibrating mirror lens, a lens fixing seat, a lens deflection motor, a lens control circuit board and a power line, wherein a Shenzhen platinum laser JY-15K or JY-20K 450nm laser vibrating mirror, a drive plate, a power supply, a +15V 1A, -15V 1A X Y vibrating mirror motor, an L-shaped vibrating mirror support, an integrated vibrating mirror drive plate, a +15V power supply, a signal line, a vibrating mirror housing and a lens protection plate are used for supplying power to the vibrating mirror part to control a smoke exhaust machine main board, a laser diode in a laser protection sleeve on the vibrating mirror housing mounting seat enables laser to be incident on the X-axis lens of the vibrating mirror, the vibrating mirror circuit board is used for controlling the angle of the reflecting lens, the two reflecting mirrors can respectively scan along the X axis and the Y axis so as to achieve the deflection of a laser beam, the vibrating mirror lens base material is quartz, silicon and molybdenum materials with the thickness of 1mm, the vibrating mirror X-axis lens, length 12, width 10, thickness 1mm, oscillating mirror Y axis lens, length 11, width 16, thickness 1mm, fused silica, aluminum plating and silver film are adopted as unidirectional reflection coating, incident light spot 10mm-20mm, reflection characteristic of 99.7% or more can be kept when incident angle is +28 degrees or-28 degrees, laser power of 200W or more is borne, or oscillating mirror lens with width 7, length 11, thickness 0.7mm is used, scanning speed is 10-15K standard debugging oscillating mirror, al (aluminum) and Ag (silver) are plated for coating when low stress coating is plated, thickness of 50000 angstrom silver (Ag) is plated by using gold-plated crystal oscillating piece, silver plating or silver-aluminum alloy is used, coating layers Ni (nickel), cr (chromium), mo (molybdenum), zr (zirconium), ni-Cr (nickel chromium), ti (titanium) are plated by using silver-crystal-aluminum alloy oscillating piece, dielectric optical film MgF2 (magnesium fluoride) and high stress, siO2 (silicon dioxide), al2O3 (aluminum oxide) and TiO2 (titanium dioxide), and the film plating method comprises the following steps: the vibrating mirror lens and the laser reflection lens are provided with VUV hardened aluminum films (with the wavelength of 120-700 nm), DUV hardened aluminum films (with the wavelength of 190-600 nm), UV hardened aluminum films (with the wavelength of 250-700 nm), protective silver films (with the wavelength of 400-2000 nm), hardened aluminum films (with the wavelength of 450-650 nm) and protective silver films (with the wavelength of 450-2000 nm), and the reflectivity is between 78% -98%.

The galvanometer module is a finished part, the optical scanning part uses a double-shaft galvanometer or a single-shaft scanning galvanometer, the single-shaft scanning galvanometer adopts a reflecting mirror installed at a fixed 45-degree angle to replace an X-shaft galvanometer lens, only one movable galvanometer lens is used to scan a laser point into a straight line, a micro motor is driven by a connected servo control circuit board to support a PWM or TTL modulation signal control mode, when an ionization sheet with the thickness of 11cm is irradiated, incident light rays with the inclined angle of 2.5 degrees at the far end to 15 degrees at the near end of the lens are controlled to irradiate the farthest end and the nearest end of the ionization sheet with the height of 110mm, and the inclined angle can increase the laser radiation area, the laser head of 430 nm-470 nm wave band of 3.5-6W is used for matching with a scanning galvanometer to scan the ionized sheet carbon deposit, the energy density and the working efficiency are high, the galvanometer control board irradiates laser emitted by a laser diode on an X axis and a Y axis reflector of a biaxial galvanometer for refraction, the galvanometer lens is arranged on a shaft rod of a lens deflection motor by using a lens fixing seat, the other type is a reflector which irradiates a laser beam at an angle of 45 degrees, the reflector is arranged in the galvanometer and reflects the laser beam to the Y axis reflector, the reflection angle of the lens is accurately adjusted by a control circuit board, a laser point is scanned into a straight line, the small angle obliquely irradiates on the left side surface and the right side surface of the ionized sheet, and the working stroke and the mode are as follows: starting the carbon removal device once every 3 days, when the range hood works, a laser head with a scanning galvanometer is pushed from left to right along an X axis to irradiate the left side surface of an ionization sheet and moves to an X axis far end limiter, a Y axis moves downwards to drive the X axis to move downwards, the laser irradiates from left to right, after reaching a Y axis terminal point, a galvanometer circuit board controls the deflection angle of a galvanometer lens to be adjusted to +2.5 from-2.5, the laser head module, the galvanometer module and the galvanometer control circuit board are fixed on a laser head fixing seat, the fixing seat is arranged on an X axis or Z axis track by screws to transversely move up and down, the near end and the far end of the ionization sheet are irradiated by adjusting focal length, the galvanometer control circuit board is connected with the galvanometer by wires to adjust the refraction angle of the lens, the length of the laser head, the optical lens and the galvanometer lens is 60mm, and the carbon removal device is arranged in an inner cavity of a smoke collecting hood above the ionization sheet and between a main fan, the double-shaft and single-shaft vibrating mirror is technically mature and reliable, is different from the traditional application mode of the vibrating mirror on a marking machine and an engraving machine, is used as the vibrating mirror for removing carbon deposition of an ionization sheet by using laser diode laser with continuous semiconductor 430 nm-470 nm wave band, the vibrating mirror control circuit board controls a gap of 5mm between the ionization sheet and an ionization sheet vertical spacer, the oblique incidence laser scanning line of which is not more than 11cm high, to irradiate the outside of the ionization sheet, the used ionization sheet is more than 11cm high, the incidence angle of the far end is reduced by 2.5 degrees, so that the light beam can irradiate within the far end ionization sheet height of the ionization sheet, the installation distance of a laser head and the ionization sheet is tighter, the incidence angle of the near end is adjusted, the light beam irradiates the near end, and is directly irradiated for 10 seconds at the starting point position or refracted to a reflecting lens by irradiating the reflecting lens when a laser protection lens self-cleaning short pulse mode is used, the light is reflected and then irradiates the laser protection lens at the lens part of the lens.

The transmission device controlled by the two-phase four-wire hybrid stepping motor is mature in technology and various in combination mode, and has a mechanical arm type, a miniature pen type electric push rod, a gantry type, a vertical type, a transverse vertical type, a screw rod slideway type, a synchronous wheel, a synchronous belt type and the like, and when the transmission device uses an X-axis sliding rail type, a Y-axis sliding rail type and a Z-axis sliding rail type, the transmission device mainly has the following structure: the T-shaped screw rod passes through the slide block and is installed above the linear rail to move smoothly, a stepping motor shaft is respectively fixed on two sides of a slide way and passes through the motor flange plate to be connected with the coupling and then is connected with the T-shaped screw rod, the tail part of the slide way is provided with a bearing plate as a bearing support, the T-shaped screw rod is fixed by a bearing on the slide block to control the moving range of the slide block, or the linear rail is not used and is connected with the slide block through a through hole by adopting the circular rail parallel to the T-shaped screw rod, finally, a transmission device is connected together by using a fixed base, the moving speed of the motor is controlled by using a stepping motor driver and an integrated circuit board, and the T-shaped screw rod is replaced by the ball screw rod, namely, a ball is arranged between a screw rod shaft groove and a screw rod nut to perform rolling motion, and comprises a screw rod, a steel ball, a prepressing plate, a reverser and a dust catcher, an X-axis stepping motor shaft penetrates through a motor bracket to be connected with an X-axis lead screw through a coupler, the tail part of the lead screw is connected with a bearing seat, a Y-axis stepping motor penetrates through a motor mounting seat to be connected with a Y-axis lead screw, the tail part of the Y-axis stepping motor is connected with a bearing seat, a slide block arranged on the X-axis motor and the lead screw is arranged on a Y-axis slide block through screws, the middle of the slide block penetrates through a T-shaped lead screw and can move back and forth along with the rotation of the lead screw driven by the motor, two ends of the slide block are arranged on the wall of a slide rail or penetrate through a circular rail parallel to the lead screw, the slide block is kept to move smoothly on the lead screw and the circular rail, a Z-axis stepping motor penetrates through the motor base to be connected with the tail part of the Z-axis lead screw to be arranged in a fixed seat, and a Z axis is vertically arranged on the X-axis slide block through screws, the laser head module is arranged on a Z axis and used for adjusting the focal length and being close to an irradiation ionization sheet to keep the energy density of a laser beam, the installation accessories comprise a tensioner, a screw rod bearing support, a motor support, a power line, an installation screw and other components, the movement and the movement speed of the laser head fixing seat on a screw rod are controlled by connecting a stepping motor driving plate, X-axis and Y-axis tracks are in cross connection, the X-axis track is 90 degrees, the X-axis track is fixed above a Y-axis sliding block and the track by screws and arranged in a T shape, two ends of the X-axis, Y-axis and Z-axis tracks are provided with limit switches, a transmission control circuit board is respectively connected with the stepping motors of the X axis, the Y axis and the Z axis, a fixing piece lifting and steering motor and the power line, the laser head fixing seat and the fixing seat steering motor are arranged on a Z-axis sliding rail, the Z axis is responsible for lifting and adjusting the height of the laser head, and the polish rod and the screw rod are rotated, the X-axis stepping motor and the Y-axis lead screw are controlled to move, the Z-axis is controlled to move to drive the laser head to supplement the position of the ionizing sheet grating when the X-axis stepping is irradiated, the X-axis moving motor and the Y-axis lead screw are controlled to move along the Y-axis direction, the transmission device combination mode also comprises the steps of installing a laser head assembly on the X-axis, vertically installing the Z-axis, connecting a Y-axis bracket below the Z-axis, connecting an X-axis track above the Z-axis, and lifting the X-axis track by utilizing the Z-axis, wherein the X-axis, the Y-axis lead screw, the circular track and the linear track are connected, the steps at two ends and 2 retainer grooves are required to be turned when a phi 5-mm synchronous wheel is installed for ensuring the strength and the bending rate of a metal synchronous shaft of phi 6mm, and the tolerance is difficult to control and process time A synchronous shaft and an MGN7C linear track are characterized in that a phi 5mm PTFE (polytetrafluoroethylene) rod (Teflon) with high temperature resistance and flame retardance at 800 ℃ is used as a material of the synchronous shaft, the material has self-flame retardance and a flame retardance UL94-0 grade from the viewpoint of flame retardance, H-type 2GT driving wheel belt top threads with inner holes of 5mm at two sides of a shaft rod can be directly installed on a plastic shaft by using phi 5mm rod negative tolerance, MC hollow wear-resistant shaft sleeves with inner diameters of 5 x 8mm are respectively installed on the outer sides of synchronous wheels to limit the positions of the synchronous wheels, the plastic shaft is properly bent and then inserted into a 5mm bushing in a blocking edge at two sides or an MF105ZZ 5 x 10 x 4mm stepped bearing with a flange blocking edge to be fixed in a side plate installation hole of a transmission device, and the PTFE and PPS materials can replace metal synchronous shafts, MGN7 linear tracks and serve as injection molding raw materials of the transmission device.

Laser head transmission adopts synchronizing wheel, hold-in range transmission, and the essential element includes: 42 thin-fuselage two-phase four-wire stepping motor 2, motor drive board 2, GRBL 2 shaft, 3-shaft integrated control board 1, laser diode drive board 1, X-shaft stepping motor and drive wheel mounting bracket 1, connecting wire, synchronizing wheel tooth-shaped pressing plate 3, synchronizing belt fixing clip 3 (copper nose type synchronizing belt clip 6 with hole on head), synchronizing belt drive wheel 4, synchronizing belt idler (driven wheel) 2, X-shaft driven wheel mounting bracket 1, synchronizing belt tensioning spring 3, linear guide rail slider 3, mechanical limit 4, tank chain 2, tank belt bracket 1, tank chain bracket 1, laser head mounting bracket 1, screw track long shaft connecting sleeve 1, Y-shaft driven wheel short shaft 1, bush 2, U-shaped laser head mounting bracket 1, fixed seat laser head 1, laser head mounting sleeve 1, screw, and the like: the X-axis is fixed by a 42-step motor main shaft which penetrates through a shaft hole of a motor mounting bracket through screws, a 20-tooth inner hole phi 5mm of a K-type 2GT-6 driving wheel is mounted on the main shaft of the step motor, a MGN7C linear sliding block mounted at the bottom of the X-axis motor mounting bracket and on the MGN7 linear guide rail on a Y-axis track is 235.5mm in length and connected through screws, the Y-axis track linear guide rail and the sliding block are horizontally mounted in the Y-axis direction of the side wall of a transmission device mounting frame, the Y-axis motor is reversely mounted in an ABS material mounting frame side wall mounting seat, and the 20-tooth inner hole phi 5mm of the K-type 2GT-6 driving wheel is connected with a 20-tooth inner hole phi 5mm of an H-type 2GT driving wheel at the tail part through a 528 mm-length 2GT synchronous belt; the middle part of a hardware of a motor mounting bracket of an X shaft is connected with an X-shaft MGN7 linear sliding rail by a screw with the length of 312mm, the tail part of the X-shaft linear rail is arranged on a hardware mounting bracket of an X-shaft driven wheel, the upper part of the hardware mounting bracket of the X-shaft driven wheel is provided with an X-shaft 2GT driven wheel which is connected with an X-shaft motor K-type 2GT driving wheel by an 644mm length 2GT synchronous belt, the middle part of two X-shaft mounting brackets is provided with an X-shaft MGN7 linear rail with the length of 312mm, the lower part of the X-shaft driven wheel bracket and a slide block arranged on a Y-shaft lower rail linear slideway fixed on the side wall of a transmission device outer frame made of ABS material are fixed by screws, the length of the Y-shaft lower rail MGN7 linear slideway is 235.5mm, and the tail part is horizontally arranged on the wall of the transmission device, the lateral wall of an ABS material mounting frame at two ends of a Y-axis lower rail linear track is provided with a supporting short shaft, 1Y-axis 2GT driven wheel 20 tooth inner hole phi 5mm and a Y-axis 2GT H-shaped driving wheel 20 tooth inner hole phi 5mm are arranged below a slideway and horizontally arranged with the Y-axis lower rail short shaft driven wheel, a 528 mm-length 2GT synchronous belt is used for connecting two synchronous wheels, a synchronous belt opening belt clamp or a copper nose is used for pressing two ends of the synchronous belt opening belt, a synchronous belt pressing plate 40 with width of 9 and thickness of 5mm is used for connecting the bottom of an X-axis driven wheel hardware mounting bracket with a screw, two H-shaped Y-axis driving wheels of the Y-axis upper and lower rails are fixed by a jackscrew and a long shaft, two sides of the long shaft are fixed by a bush, an E-shaped check ring and the mounting frame, the two H-shaped Y-axis driving wheels can drive the long shaft to rotate together, and two ends of the X-axis driving wheel mounting bracket and the driven wheel can be synchronously moved by the slide block connection of the Y-axis upper and lower rails; on the slider of X axle length 312mm linear slide rail, install the laser head and remove carbon module, include: an X-axis synchronous belt is fixed by screws through a synchronous belt pressing plate by the aid of a laser head U-shaped frame and a tank chain fixing frame, the X-axis synchronous belt drives the laser head U-shaped frame and a laser head fixing seat assembly to move together when moving, a screw column with thread tapping is arranged at the back of a laser head fixing seat, the laser head fixing seat is fixed on the laser head U-shaped frame through an M4 spring washer and a locknut, a laser head copper protective sleeve is arranged in the laser head fixing seat, a laser diode assembly is arranged in the laser head copper protective sleeve, a tank chain support is arranged on an X-axis sliding rail through screws, the length of the tank chain support is 286mm, the width of the tank chain support is 23.5mm, the thickness of the tank chain support is 0.8mm, the length of the tank chain is 380.6mm, the length of the tank chain is 7mm, the head is fixed above an X-axis sliding block by using 2M 3 screws and a tow chain support hardware mounting hole which is fixed on the X-axis sliding block by using phi 3.5 screws, the tow chain support hardware mounting hole can move along with a laser head on an X axis, the tail is mounted in a screw hole at the tail of a tank belt support, an open belt GT2-6mm rubber synchronous belt can be cut into 644mm, then the head of the open belt at two ends of the synchronous belt is compressed by using a 6mm synchronous belt clamp, then the synchronous belt clamp is sleeved on an X-axis driving wheel and a driven wheel, a mounting hole (or a copper nose type synchronous belt clamp with a hole) is formed in the middle of the synchronous belt clamp and a synchronous belt fixing hole of a laser head U-shaped support hardware is fixed by using screw perforation, and mechanical limiting pieces are mounted in front and back of X-axis and Y-axis linear sliding rails to insert main control panels X and Y-axis limiting sockets.

The laser head transmission device is characterized in that an upper MGN7 linear guide rail slide rail and a lower MGN7C guide rail slide block are arranged on a Y shaft, a 42 stepping motor is arranged on the upper rail, a motor shaft of the stepping motor is arranged in a motor mounting seat of an outer frame of the ABS transmission device towards the outer side of an installation frame, a 2GT-620 tooth and an inner hole 5MM are arranged on the motor shaft, a K-type synchronous wheel driving wheel is arranged on the motor shaft, an H-type driving wheel at the tail part is horizontally arranged on the side wall of an ABS installation support and is driven by a 528 MM-length synchronous belt, an MGN7C guide rail slide block of an upper rail is connected with an X-axis driving wheel installation support hardware by a screw, an MGN7C guide rail slide block of a lower rail and an X-axis driven wheel support hardware are pressed and fixed by a tooth-shaped pressing plate or a copper nose type synchronous belt clamp with a hole and the synchronous belt, so that the X shaft can realize smooth movement, the connection between the upper Y axis and the lower Y axis uses 2H-shaped driving wheels which are fixed by jackscrews and long axes (synchronous rods) and then rotate along with the long axes, the length of the long axes is 338.4MM, the long axes are 304 long axes with phi 3-4.8MM steps, the heads penetrate 3X 5X 2.1/7X 0.6 (copper-iron-based) bushings on the wall surfaces of the frames of the mounting supports, the two sides of the bushings are clamped into 2 retaining ring fixing grooves at the two ends of the long axes by 304 stainless steel E-shaped retaining rings phi 3 and phi 4, the long axes are fixed at the two sides of the mounting supports, the front of a linear guide rail of the lower Y axis is provided with a short axis arranged on the side wall of the frame of the transmission device, knurling or milling a square is clamped into a mounting hole on the side wall of the mounting supports, the tail of the short axis is provided with a gasket for mounting holes between M3 MM 5MM internal threads and the mounting frames, M3X 5 screws are screwed and fixed, driven wheels of the lower Y axis are limited by an open retaining ring for mounting the head of the lower axis, and the H-shaped driving wheels of the lower Y axis are connected by a synchronous belt.

The laser head removes carbon module and installs on the slider of X axle slide, with screwed connection laser head U-shaped support, the screw erection column of laser head fixing base and laser head U-shaped for the support spring shim, the nut is fixed, laser diode protective sheath is installed to laser head fixing base the inside, is equipped with the laser diode subassembly inside, has the carbon deposit at three kinds of modes clearance ionization piece upper side collection smoke chamber side and top: an ionization plate is installed by rotating 90 degrees, a laser head U-shaped support and a steering motor are installed on an X-axis slide way and are controlled by a Z-axis socket of a main control plate, a main shaft of the steering motor is connected with a bull gear with the outer diameter of 27mm (the tooth number is 25, the shaft phi is 5mm and the thickness is 5 mm), the module is 1mm, the tooth width is 5mm, the pressure angle (degree) is 20, a pinion with the outer diameter of 20mm (the tooth number is 18, the shaft phi is 2.9 mm) is driven by the bull gear to rotate, the module is 1mm, the tooth width is 5mm, the pressure angle (degree) is 20, the pinion goes out of the shaft to drive a laser head fixing seat on a laser U-shaped frame and a laser diode installed in a laser protective sleeve, and the stepping angle of the steering motor is 1.8 degrees, the motor can be controlled in a whole step or in a half step by rotating a circle for 200 pulses (200 steps) by 360 degrees, the motor rotates for 1.8 degrees, the gear set drives the laser head to rotate for +/-2.5 degrees, the laser diode in the laser diode protective sleeve arranged on the laser head fixing seat is driven to emit a laser beam to turn to the horizontal 0-90 degrees, the periphery of the smoke collection cavity is cleaned, when the top of the smoke collection cavity is cleaned, the steering motor drives the laser head fixing seat to turn to 180 degrees integrally to irradiate the top of a top host machine blade and the smoke collection cavity, and the laser head rotates +/-2.5 degrees to irradiate two 11 cm-high side surfaces of the ionization sheet by adopting an inclined angle, so that the laser cannot be directly irradiated outside the grid; a steering engine interface on the laser control panel can be connected with a steering engine for replacing a steering motor to control the steering of the laser head; an upward laser head can be arranged on a laser head fixing seat in parallel, a fixing shaft of the fixing seat is provided with an M4 threaded column when irradiating downwards, a certain damping is fixed by an M4 locknut, an M4 spring retainer ring and a gasket, the moving steps are set and stored by an X-axis stepping motor, the laser head fixing seat is inclined by +2.5 degrees to the end point through two sides of a collision wedge-shaped deflector rod, then the laser head fixing seat returns to the collision deflector rod position to reversely touch the deflector rod and is stirred to-2.5 degrees by the deflector rod, then the original path returns to clean the opposite side of an ionization sheet, the deflector rods can also be respectively arranged at the starting point and the end point, respectively correspond to the upper part and the lower part of a laser diode protective sleeve, and the laser diode protective sleeve is stirred back and forth at the starting point and the end point, the single-sided reflection lens 10X 2mm of the aluminized and silvered reflection film is installed on a reflection lens support supported by the side wall of a transmission device, a U-shaped support opening 30X 40mm is formed in the reflection lens, a main control board is set as a laser head starting point, a mainboard has the function of returning to the starting point, the reflection lens impacts a wedge-shaped deflector rod after the work is finished or impacts a U-shaped rotary support installed on a frame of the transmission device on the reflection lens, the reflection lens is stopped above the reflection lens after the work is recovered to be vertical, the laser head directly irradiates the reflection lens for 10 seconds or flickers for 10 times during each starting and then starts to work after leaning to the deflection angle of the deflector rod, and the top host fan blade and the top of a smoke collecting cavity are quickly irradiated by the reversely installed laser head through the mainboard setting.

The invention is to simplify the problem that the assembly, debugging, maintenance and disassembly of the parts of the transmission device are difficult, the transmission device adopts a structure similar to a drawer frame and a movable hard disk frame, the transmission device mounting frame is 355, 285, 90mm and is used as a part of the plastic inner shell of the range hood, the transmission device mounting frame main body is manufactured by opening the die by using PC, PP, ABS, nylon, PPS and PTFE materials with the thickness of 2-5mm, when an FR4 epoxy plate is used, the plate is cut and then is bonded by glue or fixed by a screw penetrating plate, 247, 186mm holes are formed in a bottom plate of the mounting frame, so that laser can be irradiated through the holes to mount an ionization plate, a 90-degree right-angled frame body with the length of 45, the width of 45, the height of 45mm is formed at the position, which is right above the bottom plate, of the right upper right corner of the mounting frame in the direction of the viewing angle of the transmission device, is used as a Y-axis motor seat, and a motor shaft of a Y-axis upper rail is fixed on the motor seat by screws towards the outer side of the frame, the K-type synchronizing wheel and the synchronizing belt which are arranged on a motor shaft can be closer to the frame of a transmission device to reduce the overall size, the transmission device mounting frame can be totally pushed into a smoke collection cavity 371X 294X 218mm, two side walls in the width direction of the smoke collection cavity wall are arranged, the top of the smoke collection cavity faces downwards 90mm, two parallel mounting supports with two bulges on the two side wall surfaces, the length 287X, the width 10X and the thickness 3mm can be used as a slide way mounting transmission device, an ionization sheet is arranged at the position of the lower support, which is 110mm away from the lower part of the transmission device mounting support, the X-axis transmission device and the Y-axis transmission device are integrally mounted in a drawer frame made of casting PC, PP, nylon, PPS and ABS materials, a limiting sheet on the side surface of the smoke collection cavity wall is used as a mounting rail, the K-type synchronizing wheel and the synchronizing belt are pushed into equipment from an inspection door on the front side of the smoke collection cover, and are rapidly mounted in the equipment, in order to improve the overall fire resistance of the transmission device, the casting PC, PP, ABS, nylon and PPS materials are used for adding a formula of a fire retardant agent, the thicknesses of the stainless steel strips are respectively 304 and 316 which are adhered to the upper surface layer and the lower surface layer of the bottom plate, the stainless steel strips are 0.03-0.5 mm (the thickness of the coke can is referred to as 0.03 mm), the widths of the stainless steel strips are 2-1500 mm, and the stainless steel strips are adhered to the plastic inner shell by Hasuncast 732 high-temperature adhesive or A and B adhesive.

When the transmission device uses a vibrating mirror module, the transmission device uses a 12V miniature pen type electric push rod with the outer diameter of 10-20mm, the push rod is provided with a limit switch, a push rod base is arranged at the central point of the Y-axis width of an ionization sheet on the left side surface of a smoke collection cavity above the ionization sheet, the push rod is used as a telescopic X-axis, the head part of the miniature pen type electric push rod is provided with a laser head fixing seat and a fixing seat steering motor, a stepping motor for steering is driven by an independent TB6600 stepping motor driver or a Kangwen automatic DKC-1A single-axis stepping servo motor controller to drive a vibrating mirror lens on the laser head fixing seat to downwards swing the head by 180 degrees and turn to a main fan impeller above the irradiation by 180 degrees along the Y-axis direction, when the vibrating mirror moves along the X-axis, the incident angle of a laser beam is controlled to be +/-2.5- +/-15 degrees, when the ionization sheet with the height lower or higher than 11cm is used, the incident angle setting is adjusted, the light beam can irradiate the far end and the near end of the ionization sheet, the speed is reduced by replacing the X-axis of the push rod, the 2-phase 4 linear direct current motor, the mechanical control panel, the vibrating mirror module can also replace a stepping gear motor, the Y-axis, the dustproof planetary gear motor, the dustproof miniature pen type dust-proof scanning slide rail is used for protecting the dust-proof scanning mechanism, and the dust-proof micro smoke collection cavity, and the dust-proof mechanism.

The transmission device is arranged above the ionization plate and can also be arranged below the ionization plate, a laser beam irradiates from bottom to top, the transmission device is not limited by the position between the ionization plate and the main fan, the structure of the transmission device is very mature, the transmission device is similar to a small-sized laser engraving machine and an automatic writing machine, a motor of the transmission device can use a 6-12V, N20 worm and gear speed reducing direct current motor to control the rotating speed of a shaft rod through a self-contained metal gear box, the advantages are that a simple driver is used, the motor is small in size, the weight is 13g, the installation space is small, the transmission can also be carried out through a two-phase four-wire stepping motor with higher speed, the installation length can be reduced through 12V-24V,20, 28 and 39 or short shaft 42 stepping motors 42 is 23.5 x 9mm, a 2-phase 4-wire 8mm-10mm micro stepping motor is phi 8mm, the height is 9.2mm, the installation is carried out through an inverted stepping motor, the inverted stepping motor is horizontally installed through a transmission shaft, the inverted motor is driven through a belt or a gear set, the moving speed of the driving control circuit board, and forward and backward rotation control can be realized.

The laser head carbon removal module is arranged on a laser head fixing seat, the fixing seat is connected with a steering motor, the fixing seat can be independently arranged on an X-axis sliding rail, the height position of the fixing seat is adjusted, a Z-axis motor and a sliding rail which are arranged to be 90 degrees crossed with the X axis are added, the Z-axis motor rotates to drive a rotary screw rod sliding block, the fixing seat is arranged on the Z-axis sliding block, then the laser head is fixed on the fixing seat, the focal length height can be adjusted, the focal length is favorably set when the fixed-focus laser head is used, the distance of the laser head is closer to an operation surface when the laser head irradiates the bottom area of an ionization sheet, the universality of a component is improved, the Z-axis sliding rail is arranged on the X-axis sliding block by screws, the laser head fixing seat can rotate by 180 degrees, the structure is similar to that of a single-axis electric pan-tilt, and a digital driving board and a single-chip microcomputer MCU are adopted to control the steering angle, the integrated driving control board supporting the functions of the writing machine is also provided with a steering engine interface, such as a laser three-axis 5.3 laser engraving machine control board GRBL of Henan Lun, the minimum control angle is below 0.9 degrees, a domestic SCISKY micro fixed wing linear digital steering engine LSM1300 can also be used, the weight is 25 g, the length is 18.1, the width is 15.2, the height is 7.8mm, the pulse is 1-2ms, the stroke of a transmission screw rod connected with a motor driving gear is 8mm, a sliding shifting sheet is arranged on the screw rod, the shifting sheet can move through the screw rod, the deflection angle of a laser head is controlled to be fixed at +/-2.5 degrees, or an independent stepping motor and a control circuit board are used for controlling the turning angle, the stepping angle of a 2-phase 4 motor is 1.8 degrees and 0.9 degrees, a 1.8-degree motor is used, the driver selects the whole step, a clock motor rotates 1.8 degrees, selects 1/2 degrees, and is subdivided, the subdivided into subdivided sub-divided drivers with the step angle being 256 times (0.007 degrees/007 degrees), the irradiation angle is controlled to be +/-2.5 degrees, the installation angle of a laser head fixing seat is-2.5 degrees, a motor rotates once to +2.5 degrees, the motor rotates for 2 times and turns over 180 degrees, the motor rotates for 1 time and then turns for 2.5 degrees, the motor turns back for 180 degrees, the laser head stops working and stops at the X-axis starting point position of 0 degree, an ionization sheet used exceeds the height of 11cm, the incident angle of the far end of the ionization sheet is reduced, a light beam can irradiate within the height of the ionization sheet at the far end of the ionization sheet, the installation distance between the laser head and the ionization sheet is tighter, the incident angle of the near end is adjusted, the light beam irradiates the near end, the laser head fixing seat is arranged between the ionization sheet and a main fan, the laser head faces towards the main fan blade to irradiate the inner wall of a cleaning blade and a smoke collection cavity through rotating the laser head, the service life of the main fan blade is made of plastic, the laser irradiation time is shortened, or a metal blade is adopted, if a laser decarbonizing device is installed on a smoke exhaust ventilator, a control circuit board is set to be in a clean state, oil stain can be rotated at a low speed, and the same cleaning effect can be achieved by irradiating the impeller with the laser.

The foremost end of the laser head is provided with a laser window piece protective lens phi 9 with the thickness of 0.5-2mm, the protective lens is made of glass, BK7, K9 glass and quartz materials, the existing laser head window protective lens is used on a laser cutting machine, is made of JGS1 quartz SiO2 materials and is made of pure dioxygenMelting silicon, the silicon content is more than 99.9 percent, the hardness is Mohs seven grade, the light transmittance is 99.5 percent, the quartz glass is coated with an anti-reflection film on both sides, the anti-scraping and wear-resistant coating is covered on the anti-reflection film on both sides, the quartz glass is not broken and has strong slag resistance, and the damage resistance threshold is 20J/cm ² Metal cleaning threshold of 1J-10J/cm ² The cleaning threshold value of the organic matters is 0.1J-1J/cm ² Between, greasy dirt, the similar organic matter of washing threshold value of carbon deposit have only used 1/20 of design parameter, can bear energy impact and protect inside laser head diode, collimating lens group, the mirror that shakes and use for a long time, and quartz glass protects the lens structure and includes: the laser protection lens comprises a protection lens fixing ring, a protection lens, a sealing ring and a support, wherein the sealing ring main body of the laser protection lens is made of high-purity semitransparent PTEE modified PTFE, the surface of the inner ring of the sealing ring is provided with a circle of ultrathin stainless steel spring ring, the pressure range is 0-35 MPA, the temperature range is-150 ℃ -250 ℃, the sealing effect of the sealing ring after being heated is ensured after the sealing ring is screwed down by a threaded connector, the traditional laser head protection lens for a laser cutting machine needs to be cooled by gas during working, the traditional laser head protection lens is used as a household range hood for carbon removal, the environment temperature is 60 ℃, a main fan is synchronously started when a laser carbon removal device is started, the gas flow in a main air duct is large, impurities are discharged and cleaned, and meanwhile, the heat of the laser carbon removal device is dissipated, when the laser head protection lens is used as a household range hood ionization sheet for carbon removal, a quartz SiO2 material of far ultraviolet JGS1 is used as a high-temperature-resistant antireflection film, a high-temperature-resistant scratch-resistant protection film is used on two sides of the protection lens base material, and the film coating indexes are as: two-sided multilayer 420-680nm T > 98.5%, can satisfy domestic service environment, and when the camera lens protection lens used, the laser head module place ahead was pressed with external screw thread and protection lens retainer plate internal thread, and the protection lens is pressed with the retainer plate, screws up thread seal, through the test:

the test method comprises the following steps: the laser protection lens comprises a laser protection lens JGS1 quartz (window sheet) phi 9 x 0.5mm lens and a glass phi 13 x 2mm lens which are clamped by a test bench, an anti-reflection film for surface treatment, borosilicate glass, wherein the boron content is 10%, the wavelength is 395-480nm, a 455nm 5W blue light engraving laser module LS-D5500S, a Nissan diode, an external 12V PWM modulation drive circuit board, a heat dissipation shell and a heat dissipation fan are used, and destructive continuous irradiation tests are respectively carried out on the two laser protection lenses at different distances;

and (3) test results: in a laser focus or a non-focus, a 455nm 5W laser beam is continuously irradiated for more than 10 minutes, JGS1 quartz protective lenses and glass lenses with the thickness of 0.5mm and 2mm cannot be damaged, the temperature of the lenses is not increased, and laser energy completely penetrates through the lenses.

The laser head protective lens and the metal coating single-sided reflecting lens adopt split type design, the glass, K9 glass or JGS1 quartz crystal reflecting mirror 10 x 2mm uses aluminized and silvered films to support laser with wave band of 430 nm-470 nm, and the reflecting lens uses: the plane mirror, the convex lens, the concave lens, the honeycomb reflecting lens and the Fresnel reflecting lens can clean oil stains and impurities of the protective lens and are only different in cleaning degree of a reflecting position, the reflecting surface of the metal coating single-sided reflecting lens is upwards installed at a starting point position set by control software on an X axis and a Y axis, the laser head firstly uses a self-cleaning function when being started each time, the laser head directly irradiates for 10 seconds or flickers for 10 times and then starts to remove carbon, the circuit board is set to store X and Y axis coordinates when finally stopping and continues to work from the starting point position, the starting point position of the laser head is installed on a support with the length of 40mm, the width of 12mm and the thickness of 3mm and a bulge extending out of the inner wall of a transmission device frame or an installation seat fixed on a bottom plate of an installation frame, glass, K9 glass and JGS1 quartz crystal one-way reflecting mirror 10mm 2mm are installed upwards on the upper reflecting surface, a gap with the width of 2-5mm is reserved between the reflecting lens and the laser head protective lens, oil stains and carbon deposit enter, and the organic matter cleaning threshold value is 0.1J-1J/cm ² Laser is concentrated by direct energy at the upper part, impurities attached to the reflecting lens are gasified, the reflecting surface of the reflecting lens is reflected by the reflecting mirror and matched with shock waves to clean the impurities on the surface of the laser protective lens, and the damage resistance threshold of the laser protective lens is 20J/cm ² The lens can completely bear the energy impact of the high-power laser with the optical power of 3.5-6W in the wavelength range of 430 nm-470 nm to gasify pollutants and vibrate the wave impact with pressure, and dust and impurities on the surface of the lens are removed, so that the self-cleaning effect of the lens is realized, and the lens is tested:

the test method comprises the following steps: using a 455nm 5W light power blue light engraving laser module LS-D5500S, a Nissan diode, an external 12V PWM modulation drive circuit board, a heat dissipation shell and a heat dissipation fan, carrying out destructive tests on an aluminum metal coated K9 glass reflection lens used by a high-speed vibrating mirror at different focal lengths, wherein the size of the reflection lens is 11 x 7 x 0.75mm, and the material K9 glass is used for supporting wavelength red, blue and green 400-700 nm/infrared 800-1600 nm;

and (3) test results: on a non-laser focus, the laser beam cannot damage an aluminum metal coated K9 glass reflecting lens with the thickness of 0.75 mm; the aluminum metal coated K9 glass reflecting lens on the laser focus can be burnt out in 3 minutes, the aluminum coated film is cut by laser, the temperature of the lens body is 85 ℃, and the mirror surface of the cut position of the coated film has cracks;

and (4) conclusion: the coating film of the aluminized K9 glass reflector cannot bear continuous irradiation of a laser focus with 5W optical power for more than 3 minutes, the energy of the direct laser focus is concentrated, the temperature of the focus position is high, and stainless steel can be cut, so the reflector is prevented from being installed at the laser focus position when the reflector is installed, the reflector is installed at the position 2-5mm in front of a laser head protective lens, the laser focus needs to be avoided, the laser head directly irradiates 10 seconds or flickers for 10 times of reflected laser energy in 3-5 seconds when being started, a single-sided glass with a silver coating, K9 glass or JGS1 quartz crystal substrate reflector can be used for increasing the damage resistance threshold of the lens, and the program time of stopping the automatic shutdown of the main control panel for a long time with the laser starting is set to be 1 minute.

In order to enhance the cleaning efficiency of the reflecting lens, the invention can use a reflecting honeycomb lens 2mm thick glass, K9 glass, JGS1 quartz crystal lens, a reflecting surface aluminized or silvered metal reflecting film, the surface structure of the reflecting honeycomb lens is similar to a mature honeycomb lens 755 picosecond laser beauty instrument lens 16mm x 2mm honeycomb instantaneous focusing lens, the reflecting honeycomb lens consists of 130 microlenses with the size of 1mm, 70 percent of high energy can be collected on the central point of hundreds of honeycombs, laser lines with extremely short pulses are uniformly dispersed, the laser action surface is enlarged, the penetration rate is reduced, pressure waves of laser mechanical impact effect are utilized, target tissue particles can be crushed by the pressure waves, only lower energy density is needed, epidermal layer melanin is cleaned by the oscillating waves, namely a laser shock wave cleaning method, the honeycomb focusing lens can be used for lasers with various wavelengths, the wavelength covers 430 nm-2800 nm, honeycomb focusing effects can be generated for a plurality of wavelengths such as 1064nm, 808nm, 755mm and 532nm, by utilizing the principle, the transparent honeycomb lens 755 picosecond laser beauty instrument lens is covered by a metal coating and a high-reflection film, the light transmission is changed into reflection, the laser short pulse irradiates to the reflection type honeycomb lens and then is reflected by a film-coated lens, the pressure wave acts on the upper laser protection lens to remove dust and impurities, the dust and impurities are removed, the laser directly irradiates from the upper part to gasify the impurities attached to the honeycomb lens, then the honeycomb lens is reflected by the honeycomb reflection mirror surface and matched with shock waves to clean the impurities of the protection lens, the impurities are removed in three modes, and through the self-cleaning mode set by the circuit board, before each start, the reflection type honeycomb lens is irradiated by the laser direct irradiation for 10 seconds or the short pulse emission for 10 times to clean the impurities on the surface of the laser protection lens, the lens micro-lens radian, radian and the like of the reflection type honeycomb lens or the Fresnel reflector, the refractive focal length angle is set to the laser protection lens surface.

The reflective honeycomb lens glass, K9 glass, and hexagonal grid micro-lenses densely arranged on the quartz surface have high processing difficulty, are replaced by 2mm thick glass Fresnel lenses with aluminum plating coatings and unidirectional reflecting films at high price, are also named as threaded lenses, are widely used for flashlights, lamps, film magnifying lenses, passive mobile detectors, and infrared detectors, and are simply made of glass, wherein one side of the lens is provided with equidistant insections, and the insections can achieve the function of light band transmission (reflection or refraction) in a specified spectral range.

Cleaning carbon deposition attached to the metal surface by using a semiconductor laser diode: the laser carbon removal device uses 450nm 2.5W (electric power) blue light sculpture laser module JLM45250ZMW of blue laser Limited company, dongguan city, contains external 12V PWM modulation circuit board, heat dissipation shell, radiator fan, output wavelength 450nm, output power electric power 2.5W (luminous power 1.5W), input voltage 12V, input current 5A, focus size is controlled at 1mm after focusing, does the metal and removes the carbon performance test: an iron household frying pan with a bottom carbide layer and a tin-mounted aluminum cola tank are used as test objects:

the test method comprises the following steps: irradiating an iron pan with a circular arc bottom surface and an aluminum cylindrical empty coke can with paint and with a thickness of 0.03mm by 2.5W laser at the focal distances of 1cm, 2cm and 3cm, observing the destructive effect of the laser on the surfaces of iron materials with high heat absorption rate and smooth painted cylindrical aluminum materials of carbonized pollutants, and manually rotating the iron pan and the coke can to observe the working efficiency in unit time;

and (3) test results: the blue light carving laser module with electric power of 2.5W (optical power of 1.5W) irradiates the arc bottom of the iron carbide pot and the aluminum canned cola can with paint, the laser irradiates at the speed of 10 cm/min and the focus at 0.5mm ² The width of the laser head is destroyed to paint at the bottom of the carbonization pan and an aluminum tank, carbon deposit at the bottom of the carbonization pan has a little burning smoke and reticular ablation lines, slight organic matter burning smell exists, deposited oil stain impurities are gasified after the organic matter is burnt out, no burning impurities fall off, bottom iron pan metal is exposed, the laser head stops and does not move, a matrix is not destroyed, the laser is not influenced by high heat absorption rate of an iron material, the power of the laser head is used for influencing the carbon removal effect, the empty aluminum tank with paint is irradiated, the laser is at the speed of 10 cm/min, and the focus width is 0.5mm ² The paint on the surface of the aluminum can is damaged, the laser head stops moving, and the basic layer of the can body is not damagedCutting is caused, little combustion smoke exists in the test process, open fire combustion does not exist, and no paint falls;

and (4) conclusion: the experiment shows that the 450nm electric power 2.5W (optical power 1.5W) blue light carving laser module does not have the power of carving or destroying stainless steel and metal materials, can remove surface carbonized pollutants and paint, the heat absorption performance of the substrate material has no influence on laser decarbonization, the heat absorption capacity of carbonized attached crops has influence on the cleaning effect, such as liquid condensed water drops, the water drops are firstly vaporized by laser, no visible impurities drop during the experiment, the irradiated carbon deposition position has reticular ablation lines, the laser power influences the surface treatment efficiency, and a 5-20W laser diode with larger optical power is required to be selected.

And a second test for cleaning carbon deposition attached to the metal surface by using a semiconductor laser diode: the laser carbon deposition removal device uses a blue light engraving laser module LS-D5500S with optical power of 455nm 5W of Shenzhen radium Shuo photoelectricity technology Limited, a Nissan diode adopts TO5 packaging standard and fixed focus, and comprises an external 12V PWM modulation driving circuit board, a heat dissipation shell, a heat dissipation fan, a wavelength of 455nm, an output power of 5W, an input voltage of 12V, an input current of 5A, an installation collimation lens group, and a focus of a collimation line beam is 1-1.5mm ² (ii) a Without a collimating lens group, the focal line size is 2-3mm ² And performing a metal carbon removal performance test: an iron household frying pan with a bottom carbonized layer of 0.2-1mm is used as a test object:

the test method comprises the following steps: irradiating an iron pan with an arc bottom surface by using 5W laser at the focal point distances of 1cm, 5cm and 10cm, observing the laser carbon removal efficiency at different angles, and visually observing the thickness of carbon deposition at the bottom of the iron pan to be about 0.2-1mm, wherein the carbon deposition is tightly adhered and difficult to remove manually;

and (3) test results: the blue light carving laser module with the light power of 455nm 5W irradiates the circular arc bottom of an iron carbide pot at the distances of 1cm, 5cm and 10cm, the laser irradiates the carbon deposition position with the thickness of 2mm at the speed of 200 cm/min, and the focus is 0.02cm ² I.e. 4cm ² The size of an ionization sheet with 600 air volume per minute is cleaned once, 290 × 210 × 110mm, and the spread area of two surfaces of the grid is 184cm ² The time is 46 minutes, and the carbonization pot bottom is opposite to the distance of 1cm, 5cm and 10cmThe damage effect caused by carbon deposition is not obviously different, a little combustion smoke and reticular ablation lines exist, slight organic matter burning smell exists, after the organic matter is burnt out, oil stain impurities deposited on the metal surface are gasified, no combustion impurities fall off, the bottom iron pan metal is exposed, the laser head stops moving, the laser head is directly projected or inclined, and the metal substrate of the iron pan is not damaged;

and (4) conclusion: the tests show that the working efficiency of cleaning the stubborn carbon is greatly improved by 20 times compared with the working efficiency of electric power 2.5W (optical power 1.5W) by installing the collimating lens group or not installing the collimating lens group in the 455nm 5W optical power blue light engraving laser module, and a serious carbonized layer with the thickness of 1mm on the metal surface can be rapidly removed without damaging the metal base material.

When the laser carbon removal is used for cleaning metal materials with slight oil stains and dust deposits, the speed is higher than that of cleaning the carbon deposits with the thickness of 0.2-1mm, the continuous working time can be controlled within 30 minutes, or the circuit board is set to be that the laser head automatically works for 5 minutes when the range hood works every time, the range hood is normally used during the working period, after the storage of the main control board finishes the coordinates every time, the range hood is started next time and continues to work from the last interrupted position, and a carbon removal cycle is completed for 6 days, so that the actual requirements can be met, and the technicians in the field can prove that the semiconductor laser diode is used for removing the carbon and the oil stains to the minimum extent according to the tests, so the technology of the invention is effective.

The laser carbon deposition removing device and the ionization sheet module are arranged behind a coaming decoration cover above a metal shell of the range hood, the ionization sheet adopts oil fume ions in high-voltage electrostatic ionization airflow, after the laser smoke deposition removing device is used for a period of time, a main air inlet of the range hood, an air inlet guide plate and an air inlet guide plate reach a cavity in front of the ionization sheet, the side surface of the ionization sheet, the joint of a cavity of the range hood, the corners of the inner wall of a smoke collection cavity and the like, dead corners which cannot be irradiated by laser can still cause oil stain deposition, oil stain and condensed water on the inner wall of the metal cavity of the range hood can be conducted to the outer shell of the range hood to cause potential safety hazards, gaps of a PVC insulation board wrapped around the ionization sheet by the commercial ionization sheet, FR4 epoxy resin boards are large, dirt on the outer side of the ionization sheet and the inner cavity of the smoke collection cavity is large, the ionization sheet needs to be frequently disassembled and cleaned, and the problem of oil fume insulation caused by the condensed water and the deposits in the outer side of the smoke collection cavity around the ionization sheet and the smoke collection cavity is solved.

The invention uses inner shells of PC polycarbonate, PVC plastic, nylon plate, PPS polyphenylene sulfide, PTFE polytetrafluoroethylene and FR4 epoxy plate, and the types of plastic plates are more as follows: PC endurance board, PPS, PVC board, PET board, PP rigid plastic board, ABS board, PTFE polytetrafluoroethylene board, PU board, 3240 epoxy board, FR4 epoxy board, bakelite board etc. and the difference of current metal casing's lampblack absorber lies in having increased one deck plastic insulation layer as the inner shell, the region, the position of its plastic insulation layer parcel no matter adopt local parcel: only an FR4 epoxy plate is wrapped around the side surface of the ionization sheet or only a grid punching protection plate is installed, or the laser carbon removal transmission device is directly installed in the inner cavity of the metal shell without being wrapped, and only a laser carbon removal transmission device installation frame is wrapped independently, the ionization sheet is partially wrapped or not wrapped by a plastic insulation material, and a circuit board cabin and a plasma ionization sheet power supply cabin are installed on the outer side of the metal shell; and a complete package is adopted: completely wrapping an ionization plate, a transmission device, a circuit board cabin and a plasma ionization plate power supply cabin in a plastic inner shell, and installing the plastic inner shell in a metal shell; in order to improve the safety performance of the inner shell, 30% of glass fiber reinforced flame-retardant PP material with the thickness of 5mm, 20% of glass fiber reinforced flame-retardant ABS material with the thickness of 3-5mm, 30% of glass fiber reinforced halogen-free flame-retardant PC material with the thickness of 3-5mm, PPS and the like are used, the injection molding raw materials are more in brand, and the modified flame-retardant PP material has the flame-retardant and fireproof effects after being added with the flame retardant: taiwan Qimei PA-763A, PA-777E, PA-765A, PA-764B flame-retardant ABS, korean LG AF312C BK flame-retardant ABS, japanese Babye 1140A6 flame-retardant PPS, di ' ai ' Sheng FZ-1140-D5 glass fiber reinforced 40% flame-retardant PPS, american Chevrolet Philips R-4PPS, taiwan Tai plastic 3003 flame-retardant PP, american Dupont 527UV flame-retardant POM, japanese Yu Ming 1013B flame-retardant PA6, jiaxing emperor G-3430H BK flame-retardant PC, japan Dajin AP-201-202-210SH flame-retardant polytetrafluoroethylene and the like, wherein the flame-retardant and insulating inner shell is arranged in a decorative hood coaming of a metal outer shell of the range hood, the bottom surface of the insulating inner shell is connected with the metal shell at the top of the range hood by nylon corner connectors, lock catches, screw gaskets and the like, use metalwork plastic-blasting or its combined position of working of plastics inseparable, the oil smoke, the comdenstion water can't get into lampblack absorber metal casing can not electrically conduct, grid flange edge in ionization piece collection smoke chamber backplate bottom, it has two phi 10mm drainage holes to open venturi tube pipe wall bottom, derive water vapor with the pipeline, the comdenstion water connects the oil box to the lampblack absorber, even the ionization piece has the comdenstion water, lead to the ionization piece to strike sparks, the protection device that strikes sparks of ionization piece power can start, the ionization piece power still has connect the ground wire, the protection is safe in utilization, furthermore, use PC, PP, ABS, nylon, PPS, the inner shell part of FR4 epoxy adopts single-layer shell, the thickness of single-layer board is 1-5mm, part at needs structure enhancement, if: the impeller volute or the main fan shell, the turbine shell, the smoke collecting hood, the waste gas recirculation pipeline, the threading pipe and the oil guide pipe are of a cast double-layer shell structure with a hollow interlayer, the interlayer of 10mm-50mm is reserved in the middle and is similar to the interlayer structure of the sunlight plate and the endurance plate, the single-layer shell part and the double-layer shell are connected by adopting buckles, screws and glue, a screw fixing seat is embedded in an inner shell to ensure the insulation effect and the connection strength, the single-layer shell part is arranged in a novel plasma range hood or used for a traditional range hood impeller volute or used as the main fan shell, the smoke collecting hood and a host flange to replace the existing metal volute, metal smoke collecting hood and metal flange, the added insulation flame-retardant inner shell can reduce the working noise and vibration of the main fan, a laser head and a motor transmission device, inside complete waterproof, grease proofing, insulating effect is superior to current individual layer metal casing, the laser of not focusing does not possess the ability of sculpture stainless steel, burn through the plastic casing for preventing laser irradiation, the inboard parcel of the air intake protection screen panel bottom of the collection smoke chamber that laser energy shone covers 304 stainless steel metal steel band and blocks laser energy, other positions still include the plastic flabellum and the collection smoke chamber top position that use axial fan, transmission installation frame and bottom plate two sides, cover 304, 316 stainless steel band thickness 0.01-1.0 mm (refer to cola jar thickness 0.03 mm), stainless steel band width 2 mm-1500 mm, glue with Hasuncast 732 high temperature adhesive or A, B and connect on the plastic inner shell, make the plastic inner shell possess the greasy dirt of traditional metal casing, anti-laser ability and have sound insulation, the shock attenuation effect.

PC, PP, ABS, nylon, PPS, PTFE, FR4 epoxy's inner shell 371 x 294 x 218mm (do not contain convex installation stationary blade), except that FR4 epoxy is the panel cutting, the plastic mold steel die sinking of mould steel 718H (internal trade mark 3Cr2 NiMo) is used to collection smoke chamber main part, transmission installation frame, specifically divide into 9 sections: the turbine shell 153 + 147 + 42mm, turbine inlet mounting tube seat 217 + 204 + 180mm (top adapter port phi 196 + 20mm), venturi silencing pipeline 199.7 + 132mm (inclination 82 degrees, sawtooth port 6.1mm and included angle 90 degrees), 1 phi 10mm drainage hole is arranged on the side surface of the tube wall of the bottom of the silencing tube, smoke collection cavity front overhaul plate 362 + 204 + 4mm, smoke collection cavity side main control plate, power supply cabin door plate 287 + 120 + 17mm, transmission device mounting frame 355 + 285 + 90mm, smoke collection cavity main body containing mounting seat 421 + 223 + 324mm, host flange mounting seat phi 235 + 95mm, finished product indoor circulating electric air valve inner diameter phi 200, outer diameter 210mm + 185mm, lower interface height 20mm, turbine inlet belt mounting seat top adapter port phi 196 mm, PVC coating glue, indoor circulating pipeline inner diameter 200 + sealing, laser, and high-precision glue-cutting and high-precision, PVC and other plastic materials are used for doors, windows and sewer pipes to achieve the same service life as a building, PC, PP, ABS, nylon and PPS are used for many years on durable consumer goods such as automobiles, refrigerators, televisions and the like, flame retardance and insulation safety can be guaranteed, a drawer access door on the front side of a smoke collection cavity can be opened and closed like a drawer, two side surfaces of the smoke collection cavity wall are respectively provided with an upper convex mounting support and a lower convex mounting support which are parallel, the length 287 is 10mm, the width is 3mm, the upper limiting support is positioned 9cm below the top of the smoke collection cavity and is used for mounting a main module of a transmission device, a bracket 12cm below the transmission device bracket is used for mounting an ionization sheet, a drawer baffle 362 204 mm on the front side is fixed on a smoke collection cavity frame by screws, a bracket is made 5mm below the ionization sheet and is used for mounting a smoke collection cover main air inlet protective mesh screen 366 mm 294 which is cut by an FR4 epoxy resin plate and then is fixed by bonding or screw perforation, the flame retardance grade meets the UL94V-0 specification, the net punches a hole inboard with A, B sticky connection 0.5mm thickness stainless steel band, prevent that laser from damaging the inboard wall of punching a hole, can prevent the hand, the foreign matter touches the ionization piece, it is whole fire-retardant, it is insulating, the fire prevention, it is effectual to insulate against heat, back collection smoke cavity is opened there is phi 10mm drainage hole, derive steam condensate flow to lampblack absorber collection oil box, transmission unit integral erection is in the frame of drawer shape, be convenient for transport as an independent module, installation tolerance is little, the debugging is convenient, reduce man-hour of installation, reduce noise at work, convenient maintenance manufacturing.

The inner shell of the PC, PP, ABS, nylon, PPS, PTFE, FR4 epoxy resin plate is characterized in that two rows of comb-tooth-shaped convex cylindrical plastic limiting rods with the thickness of 5mm and the length of 20mm are made on the inner wall of the smoke collection cover above the ionization sheet along the left side and the right side of the inner wall of the smoke collection cavity along the Y-axis direction when the mold is opened, air flow can normally pass through comb teeth of the limiting rods, the convex plastic teeth are used as laser head limiting deflector rods, plastic tooth deflection angles are set according to different inclination angles of the cavity wall of the smoke collection cover, the laser head moves back and forth between the left comb teeth and the right comb teeth, the deflection angle of the laser head is controlled to be +2.5 by the comb teeth, a laser beam is controlled not to vertically irradiate from the ionization sheet grid to the outside of the ionization sheet, if the used ionization sheet exceeds the height of 11cm, the incidence angle of the far end 2.5 degrees is reduced, the light beam can irradiate within the height of the ionization sheet at the far end of the ionization sheet, and if the installation distance of the laser head and the ionization sheet is tighter, adjusting the incidence angle of the near end to enable the light beam to irradiate the near end, fixing a laser head protection copper sleeve on a laser head fixing seat, penetrating a U-shaped frame of the laser head through a screw with threads, fixing the laser head through a spring gasket and a locknut, swinging left and right with certain damping, controlling the moving steps to deflect to an angle of 2.5 degrees after contacting plastic teeth protruding from two sides, irradiating the far end of an ionization sheet, controlling the irradiation near end by using a Z axis, moving to the end points of two ends of a Y axis track, namely the positions of oblique opposite angles, arranging an arc on the top end of a cylindrical plastic rod protrusion with the thickness of 5mm and the length of 10mm on the X axis, leaning against the lower part of a laser head fixing position center balance point from the side surface, shifting the laser head to the horizontal or minus 1-2 degrees by the arc head of a shifting lever, moving the Y axis backwards by 10mm to enable the laser head to be separated from the arc position of the cylindrical plastic rod protrusion, pulling the laser head to turn over to 180 degrees with the tension spring who fixes at laser head fixing base head side central line, shining main fan flabellum, smoke collecting cavity, also pulling the laser head to level or negative angle through collision steering column head circular arc during the return, the spring is taken advantage of and is dialled the laser head back, and a steering motor can be reduced to this mode, and mechanical driving lever device reliability is high.

The inner shell of the PC, PP, ABS, nylon, PPS, PTFE and FR4 epoxy resin plate is characterized in that the left side of an ionization sheet limiting sheet fixing seat below the left side and the right side is higher than the right side during processing and die casting, the ionization sheet is installed in a mode of inclining for 2.5 degrees, if the used ionization sheet exceeds 11cm, the inclined height of the left side fixing seat is reduced, light beams can irradiate the far end of the ionization sheet, if the installation distance between a laser head and the ionization sheet is tighter, the left side fixing seat is heightened, the light beams irradiate the near end, the laser head and the laser head fixing seat are vertically installed, a row of comb-shaped protruding plastic teeth with the thickness of 5mm and the length of 20mm is only installed on the right side, the laser head deflects 5 degrees, a columnar plastic rod with the thickness of 5mm and the length of 10mm is arranged on an X axis of an oblique diagonal position end point and used for overturning the laser head, and the laser head starts to normally work after the laser head moving position is set to bypass the columnar plastic rod during work.

The PC, PP, ABS, nylon, PPS, PTFE, FR4 epoxy resin board adopts the spacing fixing base of inner shell to block on the metal topshell between the outside of inner shell and the lampblack absorber topshell, the effect is equal to 90 degrees right angle fixed angle sign indicating number, pass the spacing fixing base of inner shell and fix outer shell and inner shell with the nylon screw, or use the hasp that has the arc rotation axis that uses on the plastic-steel window, do the plastic-blasting or directly make with the working of plastics, the hasp is installed on the inner shell, the fixed point is installed on lampblack absorber metal casing, with C type card axle, the hasp or four hasp locking about all around, the shell body, the inner shell adopts single-layer and local double-layer interlayer casing, single-layer parcel ionization piece is insulating waterproof all around, double-layer cavity interlayer can give sound insulation, the reinforcing structure intensity is and concurrently to lead oil, the air guide pipeline, ABS material single-layer thickness is 0.8-5mm, double-layer part intermediate layer leaves 10mm-50mm interlayer, as the threading pipe, the oil trap, the condensate water guide pipeline, the exhaust gas recirculation pipeline, the single-layer casing part adopts the buckle, the double-layer casing adopts the screw, the lampblack absorber, glue connection inner shell, the insulating control panel, the insulating material can be installed between the whole electric current collection machine can be reduced, the whole insulation control panel can be installed between the metal collection shell, the whole metal collection shell, the lampblack absorber can be installed, the whole electric current collection machine.

The ionization sheet ionizes kitchen waste gas during outdoor circulation and can be used as an indoor air purifier during indoor circulation, a motor, a gear set and a control circuit board are arranged in an electric air valve actuator arranged at the tail of a main air duct, an indoor circulating valve rotating shaft can be driven to open and close a circular circulating valve, when the valve is opened, a range hood is in external circulation, the waste gas part is used for recycling the rest of the waste gas to be discharged outdoors through a flue, when the valve of the electric air valve actuator is closed, an indoor circulating function is used, the rotating speed of a turbine is increased, the air is quickly sucked by a main fan to be discharged, the ionized gas flows through a Venturi type gas recovery and the tail of a silencing pipe by using a circulating turbine, an inclined Venturi pipe can form a whirling airflow area between the slope position of the pipeline and the vertical pipe wall, a turbine air inlet can easily suck the purified whirling airflow, fresh air is mixed and discharged through an exhaust port at the bottom of the circulating turbine, a phi 25mm PVC hose is connected to the exhaust port, more ionized gas containing more plasmas is discharged below the ionization sheet, and the utilization rate of the ionized gas is improved, and the most of the gas continuously enters the indoor air purified by the ionized gas through the ionization process except the ionized gas; if a Venturi type air flow recovery, a silencing pipe tail part and a turbine circulation pipeline are not used, the mode of sucking ionized gas from the side surface of a main exhaust pipe can also play a role of indoor circulation, but a side exhaust fan can cause oil smoke waste gas to flow back into a room to cause indoor pollution when the side exhaust fan circulates outdoors, and meanwhile, a circulating pipeline without a turbine cannot repeatedly utilize the circulating gas to reduce the output power of an ionization sheet, but the Venturi type air flow recovery, the silencing pipe tail part and the turbine circulation pipeline used by the invention avoid the problems, the indoor air continuously circulates through the ionization sheet, PM2.5, PM10, microorganisms (bacteria, germs, fungi, spores), proteins, nucleic acids and other life substances and plasmas in the air are oxidized, high-speed particles are used for puncturing the outer wall of the microorganisms, high-energy ultraviolet rays are inactivated, the microorganisms are killed by plasmas in a short time, so that the indoor air is purified, the functions of the ionization sheet and the turbine circulation device are combined, dust, viruses and impurity residues are more thoroughly removed by high-temperature vaporization of lasers, and the cleaning effect exceeds that of a common household multi-stage air purifier (using UV lamps, negative ion sterilizing filters) reaches the price of 1500-5800, and the ion sterilizing machine with the level more than that: the purification rate is 95-98%, the air volume per min is 600-900 (the turbocharging ERG rate is 20-50%, the purification rate is improved, the air volume is purified), the gas hazards of kitchen peculiar smell, microorganisms, oil smoke, indoor PM2.5, formaldehyde and the like are solved, and filter screen consumables and ionization sheets are not needed, so that the cleaning and maintenance are not needed.

From the above description of the present invention, the laser head self-cleaning mode combines three laser cleaning method principles: the laser cleaning method is characterized in that a water molecule with water vapor is attached to the ionization sheet in the using environment of the range hood and is rapidly heated under laser irradiation to generate explosive gasification so that pollutants on the surface of the ionization sheet are loosened and leave the surface along with shock waves reversely, so that the laser cleaning method has the characteristics of the laser wet cleaning method, the incident angle of a laser beam is small, the water molecule directly radiates below the pollutants adhered to the ionization sheet to generate higher thermal elastic stress, the pollutants are more easily removed, the principle of the method is similar to that of a scraper knife, the adhered pollutants are not easily scraped off vertically, the laser cleaning method is inclined to shovel off, the solid pollutants are more easily removed, the laser head is small in gasification after the pollutants are directly radiated, the residual laser head is small, the laser head is used for protecting a laser head, and the lens group is not cleaned by using the laser, and the lens group is not easy to clean the lens group.

The invention is used specifically: the laser head module uses a laser diode with a wave band of 430 nm-470 nm, a collimating lens group is installed, the collimating lens group is not installed, a linear lens, a Bawell lens and a vibrating mirror are used, the position is moved through a two-phase four-wire hybrid stepping motor and a slide way, the laser head diode is installed in a circuit bin protective copper sleeve, two steering modes are used for controlling the irradiation angle of the laser head, one mode is that an ionization sheet is installed by rotating 90 degrees, a steering motor and a gear box are installed on a Y-axis workbench or a steering engine is used for controlling the angle of the laser head, and an integrated laser control panel is provided with a steering engine interface; the second one does not adopt a steering motor, and uses a deflector rod to touch a laser head fixing seat with a damping screw arranged on a laser U-shaped frame to deflect the laser irradiation angle.

A PC, PP, ABS, nylon, PPS and FR4 epoxy resin plate is added in a metal outer shell of a traditional range hood as an insulating, flame-retardant and fireproof inner shell to solve the safety insulation problem of a high-voltage plasma ionization plate, in order to improve the fireproof capability of the inner shell, shenzhen Di Xin chemical DISSIN 6501/2 fireproof inorganic flame retardant is used for being sprayed with water according to the proportion of 1: 6 of crystal to immerse the inner shell of a smoke collecting cavity, a main air duct plastic pipeline shell, a Zhongnan ZN-1 type fireproof coating and the like, is approved by fire reports and environmental reports of national fire-fighting research institute of quality supervision and inspection of fireproof building materials and Ministry of public Security, the fireproof safety of the inner shell can be enhanced, the inner shell adopts a single-layer and double-layer mixed structure, a plastic limiting plate is used for replacing a screw to fix an ionization plate, the electrified region of the ionization plate and oil smoke and condensed water are prevented from being conducted to the outer shell of the range hood, a hollow interlayer of the inner shell can be used as a threading pipe, the outer side is connected with a host top shell by a limiting seat, a corner brace, a nylon screw and a plastic lock catch of a circular arc rotating shaft, the two side wall surfaces in the smoke collection cavity are respectively provided with an upper convex mounting bracket and a lower convex mounting bracket which are parallel, the length 287 is wide, the width is 10, the thickness is 3mm, the upper limiting bracket is positioned at the downward 9cm of the top of the smoke collection cavity and is used for mounting a main module of a transmission device, a bracket 11cm below the transmission device bracket is provided with an ionization sheet, the transmission device mounting frame can also be directly mounted on the top surfaces of a cabin at the left side rib height of 120mm (the rib can be simplified and can be made into a sound insulation cavity) of the smoke collection cavity and the height of 120mm of a right side circuit board cabin without using the limiting sheet, the top plates of a left cavity and a right cavity can also be used as the mounting bracket and a slide way of the transmission device, a smoke collection cavity maintenance plate 362 is fixed on the fixed points at the four corners of the smoke collection cavity frame by screws, a plastic installation clamping sleeve of a stepping motor in a transmission device is integrally formed on a module frame through injection molding, the installation clamping sleeve of the stepping motor surrounds and surrounds a motor shell, a motor fixing seat is 4-5mm thick, a sound and shock absorption grid with the length of 3X 3mm is made close to the inner side of the motor, the outer side of the installation clamping sleeve is wrapped with a plastic shell to reduce the vibration and the working noise of the motor, the motor is inserted from the back of the clamping sleeve and then fixed by screws, the transmission device is integrally installed in a drawer-type module frame, the transmission device is installed by utilizing an upper limiting strip and a lower limiting strip, an ionization plate installed below the transmission device also uses the upper limiting plate and the lower limiting plate as a slideway, the ionization plate slides into the limiting plates from an access door on the front side of a smoke collection cavity during installation and is fixed by nylon screws and limiting clamping, and a positive input line and a negative input line of the ionization plate of a traditional commercial range hood are welded by utilizing an epoxy plate (contact plate) with a positive metal sheet and a negative metal sheet fixed on the ionization plate frame, the contact positions of two metal sheets are irregularly cleaned to cause oil stain deposition, short circuit and ignition are caused, the reliability of equipment is influenced, after laser carbon removal is adopted, the ionization sheet is not required to be disassembled and cleaned, so that the positive and negative connection wires of the ionization sheet penetrate through the opening of the power supply bulkhead of the smoke collection cavity, and the positive and negative connection wires of the ionization sheet power supply are sleeved into a heat shrink tube after welding, or a Jiangsu king JX-GYCT-CZ-LXS 10KV-50KV high-voltage banana plug (a pure copper spiral type lockable high-voltage binding post terminal) is used for connecting the power supply and the ionization sheet, and because the power interfaces of the ionization sheet are different, the welding copper noses at the head parts of the positive and negative connection wires of the ionization sheet are arranged on the power binding post by screws, and ionization piece power cord directly with the screw fixation in the power terminal, two epoxy wiring boards of taking the metal contact have been reduced to new wiring mounting means, promote equipment stability, on ionization piece power inside red line ground connection power metal casing, the shell will be grounded wire or connect lampblack absorber metal casing, through lampblack absorber metal casing ground wire ground connection, 5mm position under the ionization piece, the protection screen panel of admitting air is installed to collection smoke chamber bottom, the material is the same material in collection smoke chamber or adopts FR4 epoxy board cutting size 366 × 294 grid punching plate, can insulate, prevent to electrocute.

The invention provides a technical scheme for removing carbon of an ionization sheet by using laser, which can solve the problem of cleaning the body of the plasma ionization sheet and comprises the following steps: the central air purifier of multistage filter screen formula air purifier, pipeline formula, medical plasma sterilizer, commercial plasma lampblack absorber, industrial purification equipment's ionization piece is clean, solves the ionization piece and need dismantle the washing, keeps the inside clean state of equipment, with in this scheme: laser module, laser head self-cleaning reflector lens, window protection lens, transmission module, injection-molded insulation inner shell, integrated control panel, power supply, etc., which are installed in the working area of ionization sheet and in the same direction of air duct, the ionization sheet and laser carbon-removing device are installed together in the body of air purifier, medical plasma sterilizer or in the air duct, and the dust, oil stain, carbon deposit, bacteria and virus residue on the ionization sheet are removed regularly, the operation state of the device is maintained, and the indoor environmental sanitation is maintained, 15cm gap is left between each overlapped ionization sheet for the multi-level overlapped plasma ionization sheet group used by commercial plasma range hood and industrial waste gas discharge purifier, and the transmission device screw rod, polish rod slide rail or synchronous wheel of the laser head along X, Y and Z axes is controlled by using step motor, in gantry type, vertical type, single arm beam crane type structure composed of synchronous belt transmission structure, moving irradiation cleaning ionization sheet blade group in plane or 3D region, in commercial and industrial application, the technicians in this field can consider increasing motor power, slide size, power supply 380V power supply with voltage reduction module, integral heat dissipation, increasing lens thickness, using laser head self-cleaning reflection lens to match with laser lens window protection plate to protect laser head body from contamination, using glass, K9 glass, quartz material and plating single-side reflection film or protection film corresponding to laser diode power, laser beam obliquely irradiates on ionization sheet grid two side walls with oblique angle, laser diode using diode semiconductor laser with Shenzhen RGB laser RGB10W A-RGB15W-B, wavelength 445nm 20W laser head LS-D20W 24V, the current Niya NUBB13450nm 455nm 20WJ serving as a projection light source and an automobile headlamp light source integrates 4 blue light modules, niya NUBB14T 450nm 455nm 40W integrates 8 blue light laser modules, niya NUBM36450nm 455nm 105W integrates 20 blue light modules, the models of the integrated modules are multiple, 25W-125W is obtained, and the price is 600-2400 yuan; when the galvanometer is used as an industrial carbon removal system, KT-FLC laser assembled by Jiangsu Kuntai industrial equipment is used for removing rust and oil, and a cleaning scanning head arranged on an X-axis or Y-axis slideway cleans carbon deposition of a plasma ionization sheet by using a MAX Shenzhen Chuanxin single-wavelength HDLS high-power semiconductor laser system with 1000-1500W and matching with a refrigerator water-cooling heat dissipation device, so that the reliability of equipment can be improved, the working time can be prolonged, and the maintenance frequency can be reduced.

Technical summary:

the invention uses a stepping motor synchronous wheel and a synchronous belt transmission device to drive a laser head carbon removal module to remove carbon deposition of an ionization sheet and prolong the service life of the ionization sheet, uses a glass protection lens group in front of a laser diode, uses a reflection lens cleaning cabin or adopts a glass reflection mirror, a honeycomb reflection mirror or a Fresnel reflection mirror which is provided with a unidirectional reflection film and is arranged on a reflection lens mounting support extending out of the wall of a smoke collecting cavity to reflect laser energy to clean dust and impurities on the glass protection lens of the laser head, cleans a laser head body, and uses a PC, PP, ABS, nylon, PPS and FR4 epoxy resin plate as an insulating inner shell to improve the safety and reliability of the whole machine, thereby realizing the functions of removing electrode plates and oil stains by using laser, realizing the functions of an indoor and an external circulation air duct by using a laser carbon removal device, a turbine circulation pipeline and an electric air valve, eliminating microorganisms in indoor air by using the functions of a plasma air purifier, solving the multi-stage filter screen consumption of a household purifier, the internal part of the machine cannot be cleaned, the ionization sheet of the medical plasma sterilizer is difficult to be cleaned, the ionization sheet on the electrode plates can be completely vaporized by using high-energy laser, the whole machine can be used without consumables, the whole machine without being detached, and maintenance, and being separated into a whole machine without being cleaned, which can be divided into the following steps: the device comprises a main fan module, an ionization module, a laser module, a transmission module, an injection molding inner shell and an indoor circulating module; the retail price purchasing cost component of the part comprises the following components: a fan main unit and a turbine 180 yuan; the ionization plate and the power supply are 240 yuan; 455nm 5W laser head, protective copper sleeve, radiator, protective lens and reflecting lens 150 yuan; the integrated mainboard is 120 units of the laser drive circuit board; 180 units of X-axis motors, Y-axis motors, synchronizing wheels, rails, mounting brackets and transmission shaft hardware of the transmission device; casting an inner shell: the framework of the transmission device, the shell of the ionization sheet, the smoke collection cavity, the motor cover and the waste gas circulation pipeline are opened for 140 yuan; 70 yuan of finished products of indoor circulating pipelines with motors and control panels; total 1080 yuan, install 300 yuan of metal casing of lampblack absorber at last, complete machine part totals: 1380 yuan, the invention fills up the short plate which needs to be unpicked and washed, oil stain deposition and condensed water when the plasma ionization piece is used as a household range hood, the high-voltage plasma ionization piece is easily short-circuited and conductive when a single-layer metal shell of the traditional range hood is used, the short plate cannot stably run for a long time, the cost is controllable, and the invention has creativity, novelty and practicability.

Description of the drawings:

1-inner shell body of range hood, 2-PC, PP, ABS, nylon, PPS, PTFE, inner shell of FR4 epoxy resin plate, 3-ionization sheet, 4-integrated main control panel cabin, 5-transmission device installation frame, 6-transmission device installation support, 7-range hood, outer shell fixing seat, 8-MGN7 linear slideway, 9-bush, 10-X axis stepping motor, 11-X axis synchronous wheel driven wheel, 12-laser head fixing seat, 13-reflection lens support and reflector, 14-circulation turbine exhaust port (not jointed pipe), 15-circulation turbine, 16-electric air valve actuator, 17-electric air valve actuator rotating shaft, 18-air valve actuator valve, 19-venturi type air flow recovery, air flow recovery device the device comprises a silencing pipe, a 20-axial flow main fan, a 21-main air inlet protective screen, a 22-Y axis stepping motor, a 23-Y axis K type synchronizing wheel driving wheel, a 24-MGN7C guide rail sliding block, a 25-X axis K type synchronizing wheel, a 26-X axis synchronizing belt, a 27-laser head protective sleeve, a 28-laser head damping rotating shaft, a 29-laser head U type frame, a 30-tank chain support, a 31-tank chain, a 32-Y axis lower rail supporting short shaft, a 33-Y axis transmission shaft, a 34-Y axis synchronizing wheel driven wheel, a 35-Y axis H type (AF type) synchronizing wheel, a 36-steering motor, a 37-laser head steering gear box, a 38-touch deflection deflector rod, a 39-X axis motor, a guide rail mounting support, a 40-X axis driven wheel and a guide rail mounting support.

Fig. 1 is a schematic view of the overall structure and installation position of the present invention.

FIG. 2 is a top view and a side view of an X-axis and a Y-axis synchronous belt transmission device with an ionization plate vertically installed.

FIG. 3 is a schematic view of the ionizing plate of the present invention mounted transversely to the mounting, 36-laser head steering motor, 37-laser head steering gear box.

Fig. 4 is a schematic view of a 39-X axis motor, rail mount bracket of the present invention.

Fig. 5 is a schematic view of a 40-X axis driven wheel and rail mounting bracket of the present invention.

Fig. 6 is a schematic view of the 12-laser head mounting of the present invention.

Fig. 7 is a schematic view of the 29-laser head U-shaped frame of the present invention.

Figure 8 is a schematic diagram of the 30-tank chain cradle of the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1, a side view of a main structure of a laser soot removing range hood according to an embodiment of the present invention includes: 1-inner shell body of range hood, 2-PC, PP, ABS, nylon, PPS, PTFE, inner shell of FR4 epoxy resin plate, 3-ionization sheet, 4-integrated main control panel cabin, 5-transmission device installation frame, 6-transmission device installation support, 7-range hood, outer shell fixing seat, 8-MGN7 linear guide rail, 9-bush, 10-X axis stepping motor, 11-X axis synchronous wheel driven wheel, 12-laser head fixing seat, 13-reflection lens support and reflector, 14-circulation turbine exhaust port (not connected pipe), 15-circulation turbine, 16-electric air valve actuator, 17-electric air valve actuator rotating shaft, 18-air valve actuator valve, 19-Venturi type circulation air flow recovery, muffler pipe, 20-axial flow main fan, 21-main air inlet protective net cover, 35-Y axis H type (AF type) synchronous wheel, 38-installation position schematic diagram of deflection deflector rod.

As an embodiment of the invention, referring to FIG. 1, the main structure 1 of the laser carbon deposition removing device-a range hood inner shell body is installed in a range hood metal outer shell for use, dongguan special environment-friendly 600 air volume/min 3-ionization sheet and CC-GA5050W matching high-voltage power supply (with ground wires) are used, 5-transmission device installation frames with the size of 355 × 285 90mm are installed between a smoke collecting cavity above the 3-ionization sheet and between 20-a range hood main fan, 247 × 186mm holes are formed in a transmission device bottom plate, upper and lower parallel installation supports with the length 287 and the width of 10 × 3mm are respectively arranged on two side walls of the smoke collecting cavity, a 6-transmission device is integrally installed on an upper support with the distance of 90mm from a smoke collecting cavity top plate, the size of a 3-ionization piece is 290 x 210 x 110mm, the size of an actual working area after the size of a frame is removed is consistent with the size of an opening of a bottom plate of a transmission device, a 600 air volume/min ionization piece is installed on a lower support 110mm away from the lower part of an upper support, the size width of a low-pressure dust collection area grid piece is 210 x 110mm, the space between every two grids is uniformly arranged by 5mm, a main frame of a smoke collection cavity adopts an inner shell of a 2-PC (polycarbonate), PP (polypropylene), ABS (acrylonitrile butadiene styrene), nylon, PPS (polyphenylene sulfide), PTFE (polytetrafluoroethylene) and FR4 epoxy resin plate with the thickness of 2-5mm and a 5-transmission device installation frame, and the inner shell and the 5-transmission device installation frame are assembled together after being respectively opened, and are used, and the smoke collection cavity main body and the 5-transmission device installation frame are made of die casting materials: the flame-retardant PP material reinforced by glass fiber with the thickness of 5mm and the thickness of 30 percent, the flame-retardant ABS material reinforced by glass fiber with the thickness of 3-5mm and the thickness of 20 percent and the halogen-free flame-retardant PC material reinforced by glass fiber with the thickness of 3-5mm and the thickness of 30 percent can be all selected, 304 stainless steel strips with the thickness of 0.05mm and 316 stainless steel strips with the thickness of 3-5mm and the thickness of 80mm are bonded in the area irradiated by ionization sheet contact and laser energy, hasuncast 732 high-temperature adhesive or A and B glue is bonded on a plastic inner shell, PTFE polytetrafluoroethylene with better high temperature resistance and PPS self-flame-retardant injection molding material can be used as the materials of the inner shell, a transmission shaft and a linear slide rail, a single-layer local reinforcing rib and a double-layer shell reinforced structure is adopted, a PVC/PP material with the thickness of 5mm is adopted by a main fan shell and an indoor air valve component 18-air valve actuator, a 21-main air inlet protective net cover is fixed by screws below a 3-ionization sheet, a smoke collection cavity and the ionization sheet surrounding cavity below a 5-transmission device installation frame are 10-50mm and 110mm in height, the double-layer plastic insulation shell is used as a 4-integrated main control panel cabin, an ionization sheet power supply cabin, a threading pipe and a sound insulation cavity to meet the structural strength and the use function, a plurality of raised 7-lampblack absorber inner and outer shell fixing seats are arranged around the outer side of a smoke collection cavity, the bottom of the smoke collection cavity is bonded by high-temperature resistant glue or fixed by screw perforation after a fireproof, insulating, heat-insulating and halogen-free FR4 epoxy resin plate is used as a plate material is cut, a grid punching plate with the size of 366 mm, the width of 294 mm and the thickness of 294 mm is manufactured, foreign matters and hands are prevented from contacting with an ionization sheet, a flame-retardant PP pipeline is arranged at the bottom of the edge of the grid punching plate, at the bottom of a Venturi tube and the vertical tube wall of an inner shell back plate of the smoke collection cavity to guide steam and condensed water to an oil receiving box of a range hood, and a 2-PC pipeline is arranged at the bottom of the edge of the smoke collection cavity, and a drainage hole with the diameter of 10mm, and the flame-retardant PP pipeline is used for guiding the steam and guiding the condensed water to the oil receiving box, and the smoke absorber to the smoke collector to be connected with the smoke collector, during lampblack absorber metal casing roof trompil was installed to the inner shell of PP, ABS, nylon, PPS, PTFE, FR4 epoxy board, inner shell, shell and for the fixing base screw fixation, in the adjustment 7-lampblack absorber, shell fixing base mounted position, the inclination of the height of lampblack absorber cavity and inner shell is packed into to the adjustment inner shell, if: two horizontally-mounted limiting pieces behind the outer shell of the smoke collection cavity are mounted at a position 11cm away from the top plate of the smoke collection cavity, two horizontally-mounted limiting pieces in front are mounted at a position 8cm away from the top plate of the smoke collection cavity, so that the smoke collection cavity and the internal ionization piece are tilted backwards by 30 degrees, the ionization piece is closer to the smoke collection plate of the range hood, the rear part of a circular tube of a mounting flange of a main fan is lengthened to enable the main fan to tilt forwards by 30 degrees and further keep the main air duct upright, the plastic inner shell added in the invention improves and improves the insulation, water resistance, shock absorption, silence and mounting tolerance of the whole machine, a 20-axial flow main fan of a Shenzhen Yoncheng Innova DC172511B48F type Shen 152 phi 51mm is mounted at the front part of the circular tube above the smoke collection cavity, silencing cotton is wrapped around the circular tube of the mounting cavity, a waste gas circulation pipeline with a2 phi 202 mm inner diameter is sleeved on the circular tube of the main fan, airflow enters the tail part of the conical inclined plane shrinkage pipe after passing through the fan blade of the main fan to play a role in silencing, the inclined plane plays a role in compressing a shrinkage section of a Venturi tube and accelerating the airflow, and is favorable for generating vortex between an outlet of the nozzle and an upright circular pipe, a50 x 20mm air inlet is formed in the side surface of the pipe wall of the main air duct circular pipe, a square-to-round-mouth phi 74mm adapter pipe is connected to an air inlet of a DC1232 type 15-circulation turbine 12V blower of Yonchengchu corporation company on a pipe wall turbine mounting seat of the main air duct circular pipe, the convoluted vortex is easy to absorb, the air inlet efficiency of the turbine is favorable for improving the air inlet efficiency of the turbine, a 62 x 32mm square-to-round-mouth 6 branch pipe inner diameter 22 x 50mm air gathering pipe is mounted at an air outlet of the turbine blower, a 25 x 400mm PP flame-retardant hose is inserted into the square-to-round-mouth adapter pipe which is mounted between the turbine fan and the air inlet of the main air duct in a one-way air inlet valve mounted through the wall surface of the adapter pipe to suck fresh air as a waste gas circulation pipeline, the tail section of a main air duct exhaust circular pipe is provided with a reducing phi 196 × 20mm port, the middle part of the pipe is provided with a PP integrated air valve phi 200 × 180mm pipeline with an electric regulating valve, the pipeline is environment-friendly 12-24-220V, the middle part of the pipeline is provided with a matched 16-electric air valve actuator and a control valve, the control valve is opened and closed, a DC12V driver is provided with three connecting terminals, the middle connecting terminal is connected with a positive electrode wire, the connecting terminals at two sides are respectively connected with L1 and L2 interfaces of the control switch, the negative electrode wire is connected with the L interface of the control switch, the positive electrode and the negative electrode of the 6-electric air valve actuator output power through a main shaft of a main board of a creative guest base Makerbase MKS DLC32 laser engraving machine in a 4-integrated main control board cabin, a laser diode is connected with a single head 600mm length of an XH2P connector and a 2P interface on a laser control board phantom electronic B75 type 450nm laser driving circuit board 40 40mm, the laser driving board supports 8.7-12V, the voltage is 3.3-6.5V, a constant current output (current adjustable) TTL interface is adopted, the laser driving circuit board is connected with the TTL output interface of a 2-axis or 3-axis main circuit laser control board through a lead, an X driving motor and a Y driving motor use a titan42 stepping motor 17HS4023 with a Shenzhen two-tree technology and have an XH2.54 flat cable, the axial length is 18mm, the machine body length is 23.5mm, 2 TMC2209 stepping motor driving modules are inserted into the X and Y-axis stepping motor driving installation positions of the main board to control the motors, the main board is also provided with a Z-axis potential supply, 12-24V power output, a CNC main shaft independently supplies power to a main fan, a turbine, a PWM laser, a Z-axis steering motor, a wind valve actuator, a laser head interface, an external power supply interface and the like, the main board can integrate the functions of a range hood main board or be connected with the main board control of the range hood, and the 15-cycle turbine utilizes 19-Venturi type cycle airflow recovery, voltage recovery, and constant current recovery, the vortex formed by the silencer can suck ionized circulating gas more efficiently and easily, the circulating gas flow is sent to the lower part of a 3-ionization plate through a PVC hose connected with a 14-circulating turbine exhaust port and then sucked by a main fan, fresh air is sucked into a gas one-way valve on a turbine air inlet pipe connector by utilizing the fact that the gas passing through the ionization plate contains higher-content plasma, the fresh air is guided to the front of the ionization plate through a pipeline for recycling, the ionizing effect can be improved by the circulating gas flow (the outdoor circulating ERG waste gas circulating efficiency is 20% -50%), the ionization plate, the power and the label of a main machine can not be increased, the ionized gas can be repeatedly utilized, energy is saved, emission is reduced, when the indoor circulating function is used, the turbine is accelerated to run to quickly suck the gas flow led out by the main machine, a 16-electric air valve actuator 12V-24V is connected with a 12-24V power output port of a Makerbas MKS DLC32 main control board and is connected with an air valve through a CNC main shaft or a Z-shaft motor port, a motor and a control panel are arranged in the 16-electric air valve actuator, the motor rotates to drive the actuator gear set to rotate the 17-electric air valve actuator rotating shaft, the rotating shaft rotates 90 degrees to be vertically opened, the round PP and PVC material 18-air valve actuator valve arranged on the main air duct is closed when the rotating shaft returns to 0 degree or continuously rotates to a horizontal position of 180 degrees, the indoor and outdoor circulating air exchange modes of the range hood are controlled, the invention purifies the air in the kitchen and room, the turbine circulation pipeline makes the plasma purifying effect exceed the existing household filter screen purifier with the same air quantity, and there is no filter screen and consumable material consumption, the sterilizing property reaches the standard of the medical plasma sterilizer with the same air quantity, compared with the medical plasma equipment, the invention can not or is inconvenient to unpick and wash the inner dust collecting area, the invention uses laser high temperature vaporization, the deposited carbon of the ionization sheet is cleaned, dust is collected, the ionization sheet is free from maintenance, and the ionization sheet is more sanitary and practical.

As an embodiment of the invention, referring to FIG. 1, the 5-transmission device mounting frame has the size of 355 × 285 × 90mm, uses an inner shell of 2-PC, PP, ABS, nylon, PPS, PTFE and FR4 epoxy resin plate, uses plastic mold steel of mold steel 718h (domestic number 3Cr2 NiMo) except FR4 epoxy resin plate to be assembled together after segmented mold opening injection molding, adopts a partially wrapped plastic inner shell or a fully wrapped integral inner shell and a metal outer shell, and has the consistent technical maturity of the main structure of the 5-transmission device, a laser engraving machine, a writing machine, a CNC and a 3D printer control principle, uses an X-axis synchronizing wheel, a Y-axis synchronizing wheel and a synchronous belt transmission, installs a 29-laser head frame at a screw position on an MGN7 slide block installed on an X-axis 8-MGN7 linear slide way, connects an M4 threaded column on a 12-laser head fixing seat by using an M4 nut, an M4 spring washer, fixing the laser head on a 29-laser head U-shaped frame, forming a hole on the side surface of a circular tube of a 12-laser head fixing seat to install a semiconductor refrigerating sheet, installing a 27-laser head protecting sleeve in the middle, installing a laser diode assembly in the 27-laser head protecting sleeve, fixing the back surface of the 12-laser head fixing seat by using screws, installing a 13-reflecting lens bracket and a reflecting mirror on a driving device installing frame which is close to one side of a driven wheel of an 11-X shaft synchronizing wheel and is used as a starting point for starting up the laser head, arranging a U-shaped rotary bracket above the reflecting lens, arranging a U-shaped rotary bracket with an opening of 30mm, wherein the width of the U-shaped bracket is 30mm, the length of the U-shaped bracket is 40mm, the thickness of the U-shaped bracket is 3mm, leading the laser head with a deflection angle into the area of the U-shaped rotary bracket to be pulled back to be perpendicular to the reflecting mirror when the starting point stops, arranging a convex plastic sheet on the side surface of the 5-driving device installing frame beside the starting point, wherein the convex plastic sheet is 12mm in width and 35mm, the top of the plastic sheet is wedge-shaped, 87.5 degree inclined planes are made on two sides of the top of the wedge-shaped, the inclined planes are used as 38-touch deflection deflector rods, the moving steps of an X-axis stepping motor are controlled to deflect after colliding with a 12-laser head fixing seat, so that the light beam incident angle of a laser head deflects and the oblique irradiation is controlled to be +/-2.5 degrees, if the top of a smoke collection cavity and a main fan blade are to be cleaned, a laser diode is required to be arranged on the laser head fixing seat in parallel and reversely, a mainboard supports a double-laser head driving interface, 12-laser head phi fixing seat 22 phi 40mm, a circular copper pipe with the wall thickness of 352 mm, two 10 phi radiating ports which are arranged on two side walls can be provided with 10 phi 30mm semiconductor refrigerating sheets for active radiation, a heat pipe is arranged on a heating area on the back of the refrigerating sheets for passive radiation, the inner diameter of the circular pipe of the laser head fixing seat is 18mm, a laser protection copper sleeve 18 phi 40mm which is arranged in a screw limiting and fixing seat for screw punching on the pipe surface, various continuous semiconductor laser diodes can be arranged, the waveband is 430 nm-470 nm, and the optical power is 3.5W-6W: nichia455-4700M single tube is used for packaging a collimating mirror flat window, and NUBMOA 455nm 4.7W laser diode is directly pressed and assembled into a laser tube LD seat by a laser tube pressing head shriveling machine, and then a lens spring is assembled, finally a glass protective lens M9P0.5mm is arranged on a copper lens frame with internal or external threads in front of a copper laser protective sleeve, glass, K9 glass and JGS1 quartz substrate reflecting mirror protective lens are coated with double-sided multi-layer 420nm-680nm films, the laser diode is inserted into a master base carving interface 32 of a Makerb laser engraving plate in a master compartment of a 4-integrated main cabin by a positive and negative electrode 2.54 2P male connecting wire B75 XH laser chip DLC connecting terminal plate led out from the laser diode connecting terminal plate by a positive and negative electrode 2.54P male wire connecting plate B75 XH2.54 XH 2.3P XH laser chip, three wires are respectively used for positive and negative electrodes and TTL control, a refrigeration piece is inserted into a main board fan interface, 2 TMC2209 motor driving modules are installed on an MKS DLC32 main board motor driving slot to respectively control an X-axis stepping motor and a Y-axis stepping motor, an MKS DLC32 integrated main control board is connected with a computer through a USB square port printing line, an MKS ESP32Download Tool simulation STM32 burning program matched with the main board is used, after the computer is provided with the driving program, main board information, the TMC2209 driving chip and the like are burnt into the main board, and then software such as Lasergrbl, micro-carving plumbers, quintuple carving, luban carving and the like are used for setting and storing in an offline storage TF card.

As an embodiment of the present invention, referring to fig. 1, the X-axis transmission part: A10-X shaft stepping motor shaft penetrates through a metal mounting support to be connected with a 20-tooth inner hole phi 5mm (the bandwidth is 6 mm) of a driving wheel of a 25-X shaft K-type synchronous wheel 2GT, the driven wheel mounting support on the other side is provided with 11-X shaft synchronous wheel 2GT idler wheel 20-tooth inner hole phi 5mm (the bandwidth is 6 mm), the diameters of the driving wheel and the driven wheel are consistent, a laser head U-shaped frame and a laser head mounting seat are mounted on a MGN7C linear sliding block of an 8-MGN7 guide rail slide rail with the length of 312mm of an X shaft, a rubber opening synchronous belt with the length of 644mm GT2-6mm is used, a belt clamp after cutting is tightly pressed and sleeved on the driving wheel and the driven wheel, a synchronous belt clamp with the bandwidth of 6mm is connected, an aluminum toothed plate clamp belt clamp length of the synchronous wheel tooth clamp is used for tightly pressing and fixing the MGN7C linear sliding block and the 12-laser head fixing seat along the X shaft, a synchronous belt clamp is used for tightly pressing and fixing the aluminum plate clamp, a torsion force lug type synchronous belt clamp is tightly fixed in the middle of the synchronous belt clamp and tightly locked on the synchronous belt clamp to be used for making a torsion force perforation (or a copper type synchronous belt clamp, a copper type synchronous belt clamp of the synchronous belt clamp, the copper type synchronous belt clamp penetrates through a torsion lug type synchronous belt clamp, a dragging spring and is fixed on the laser head fixing seat, and a U-type chain clamp, and is tensioned, and a rear spring, and is tensioned together, and a rear spring is used for tensioning spring, and the U-type spring is tensioned.

As an embodiment of the present invention, referring to fig. 1, the Y-axis transmission part: cutting a rubber opening synchronous belt of an opening belt GT2-6mm into 528mm in length, then pressing the head parts of the opening belts at two ends of the synchronous belt by a synchronous belt clamp, sleeving a K-type 2GT driving wheel 20 tooth inner hole phi 5mm (the bandwidth is 6 mm) of a Y-axis upper rail on a 35-Y-axis H-type (AF) synchronous wheel, using a 2GT 20 tooth inner hole phi 5mm (the bandwidth is 6 mm) with a jackscrew on the 35-Y-axis H-type (AF) synchronous wheel, installing the jackscrew on a 33-Y-axis transmission long shaft (synchronous rod), enabling the top end of the long shaft to pass through a 9-bushing hole at the side surface of a transmission device frame, fixing two sides of a bushing in a bushing installation hole of the frame bushing by E-type 304 check rings phi 3 and phi 4 respectively, and then utilizing a 33-Y-axis transmission shaft to transmit to a 35-Y-axis H-type (AF) synchronous wheel of a lower rail, A parallel synchronizing wheel and a long shaft synchronizing rod are fixed by a jackscrew, the long shaft rotates along with two 35-Y shaft H-shaped (AF-shaped) synchronizing wheels, after a bushing is installed on a lower rail installation frame and an E-shaped check ring is fixed, a synchronous belt is used for connecting a Y shaft lower rail and a 32-Y shaft lower rail supporting short shaft at the position parallel to the long shaft to install a 34-Y shaft synchronizing wheel driven wheel, a synchronizing wheel tooth-shaped pressing belt (an aluminum toothed plate is 40 long, 9 wide and 5mm thick) is used for pressing a 2GT 6mm open belt clamped by a stainless steel saw tooth synchronizing belt clamp or a copper nose type synchronizing belt clamp with a hole in the head, and an X shaft driven wheel hardware support and a Y shaft lower rail synchronous belt are fixed in a tapped installation screw hole after the top of a slider top laser head fixing seat is bent by screws to drive an X shaft to move along a Y shaft lower rail slideway.

As an embodiment of the present invention, referring to fig. 1, a main control board is used to set the starting point of each starting of a 12-laser head fixing seat, a U-shaped rotary support extending from a mounting frame makes the laser head stop position face to a 13-reflection lens support and a reflection mirror lens, the 13-reflection lens support and the reflection mirror lens can use a honeycomb reflection lens, a fresnel reflection lens, a concave lens and a plane mirror, the reflection lens needs to avoid the laser focus, the lens 10X 2mm uses glass, K9 glass and JGS1 quartz substrate reflection lens, uses an aluminized film and a silvered film to support the laser with the wave band of 430 nm-470 nm, the reflection surface of the lens is upwards installed at the starting point position of X and Y axes, the lens is installed on a plastic support extending from the inner wall of a smoke collection cavity with the length of 40mm and the width of 12mm and the thickness of 3mm, or the support is installed on a plastic support 15X 2mm of a frame bottom plate of an ABS material 5-transmission device mounting frame in fig. 1, and the parameters are set by MKS 32Download Tool upper computer software: selecting COM port corresponding to computer, baud rate selecting 921600, line length selecting 115200, uploading firmware Board _ V2.0, clicking start button to burnAccording to the method, the starting point, the moving distance and the stopping position of an X-axis stepping motor and a Y-axis stepping motor are set by using micro-carving housekeeping software and Lasergrbl software, offline parameters are stored in a TF card installed in a main board TF clamping groove, a laser head returns to the starting point to touch a U-shaped rotary support to vertically stop above a laser reflection lens when the range hood is started every time, the self-cleaning function is firstly used for cleaning the lens, then the lens starts to move to remove carbon of an ionization sheet, a gap of 2-5mm is reserved between the reflection lens and a laser head protective lens, even if oil stains and carbon deposits enter, the gap is used as an organic matter cleaning threshold value and is 0.1J-1J/cm ² The damage-resistant threshold of the reflector is improved through metal coating, laser is firstly directly irradiated from the upper part to gasify impurities attached to the protective lens, then the laser is reflected by the reflector and matched with shock waves to clean the impurities of the laser protective lens, and the damage-resistant threshold of the laser protective lens is 20J/cm ² The laser head body has self-cleaning capability by utilizing a laser dry cleaning method, a laser wet cleaning method and a laser shock wave cleaning method, cleaning through photolysis, optical vibration and optical stripping, and gasifying dust, impurities and oil stains attached to a reflecting lens and a lens protective lens at high temperature, so that the laser head body has self-cleaning capability, the current processing position and signals can be continuously stored in a memory in real time through breakpoints of ncstudio engraving machine control system software, even if power is cut off, the system can be continuously executed from the last interruption position after being restarted, and a creative base integrated mainboard time delay relay module (a power supply supervision module) such as: the shutdown module is finished by the Makerbase MKS PWC V3.0, the Makerbase MKS UPS module or the BUJIATE 3D printing power supply supervision module, and the shutdown is continued to be finished and finished by unexpected power failure.

Referring to fig. 2, as an embodiment of the invention, the 5-transmission device mounting frame is provided with a laser decarbonization module and a transmission device which are arranged in a top view and a side view, X and Y axes adopt a transmission structure of a synchronous wheel and a synchronous belt and are arranged above a 3-ionization sheet, and the visible structure comprises: 8-MGN7 linear slideway, 10-X axis stepping motor, 11-X axis synchronous wheel driven wheel, 12-laser head fixing seat, 13-reflection lens support and reflector, 22-Y axis stepping motor, 23-Y axis K type synchronous wheel driving wheel, 24-MGN7C guide rail sliding block, 25-X axis K type synchronous wheel, 26-X axis synchronous belt, 27-laser head protective sleeve, 28-laser head damping rotating shaft, 29-laser head U type frame, 30-tank chain support, 31-tank chain, 32-Y axis lower rail support short shaft, 33-Y axis transmission shaft, 34-Y axis synchronous wheel driven wheel, 35-Y axis H type (AF type) synchronous wheel and 38-touch deflection deflector rod, wherein the specific X axis main structure is as follows: 10-42 stepping motor 42 × 23.5 × 22mm, the motor host is fixed by screws and a mounting bracket, a spindle of the stepping motor is provided with a 25-X-axis K-type synchronizing wheel 20 tooth inner hole phi 5mm (the bandwidth is 6 mm), a 24-MGN7C guide rail sliding block arranged at the bottom of the X-axis motor mounting bracket and on a Y-axis 8-MGN7 linear guide rail is 235.5mm in length is connected by screws, the Y-axis 8-MGN7 linear guide rail and the 24-MGN7C guide rail sliding block are horizontally fixed on the side wall of a 5-transmission device mounting frame, a concave 45 × 45mm long and high 45mm bending frame body is arranged at the upper left corner of the transmission device mounting frame close to the bottom plate and used as a Y-axis motor fixing seat, a Y-axis motor shaft is outwards arranged on an ABS material 5-transmission device mounting frame, and a 23-Y-axis K-type driving wheel 20 tooth inner hole phi 5mm (the bandwidth is connected with a 528mm length synchronous belt for a 35-Y-axis H-type synchronizing wheel (AF type) by a 528mm length.

As an embodiment of the invention, referring to FIG. 2, in the 5-transmission device mounting frame, the middle part of the hardware of the motor mounting bracket on the X axis is connected with the length of 312mm of the X axis 8-MGN7 linear guide rail by screws, the tail part of the X axis linear track is mounted on the hardware mounting bracket of the driven X axis wheel, the driven 11-X axis synchronous wheel is mounted on the upper part of the hardware mounting bracket of the driven X axis wheel, the X axis 8-MGN7 linear guide rail and the 24-MGN7C guide rail slider are mounted in the middle part, the 8-MGN7 linear guide rail and the 24-MGN7C guide rail slider of the lower Y axis lower rail fixed on the side wall of the 5-transmission device mounting frame are fixed by screws, a 32-Y-axis lower rail supporting short shaft is arranged on the side wall of a 5-transmission device mounting frame on one side of a Y-axis lower rail, the tail part of the short shaft is provided with an M3X 5mm screw hole, the middle part of the short shaft is square and is arranged on the wall of the mounting frame, the short shaft is screwed and fixed by an M3X 5mm screw, the head part of the short shaft is provided with 1 34-Y-axis synchronous wheel 2GT-6 driven wheel with 20 teeth, an inner hole phi 5mm and a bandwidth of 6mm and can rotate along with a 35-Y-axis H-shaped (AF) synchronous wheel of the Y-axis lower rail, a 528mm length opening belt GT2-6mm synchronous belt is arranged, the synchronous belt is connected with a hardware mounting frame bottom plate of the driven wheel of an X-axis by an M3 screw through a synchronous belt pressing plate 40 with a width of 9 and a thickness of 5mm, or after the head parts of the opening belts at the two ends of the synchronous belt are tightly pressed by a 6mm synchronous belt clamp, a mounting hole (or a copper nose type synchronous belt clamp with a hole) is formed in the middle of the synchronous belt clamp, the synchronous belt clamp is fixed with a mounting hole of a hardware mounting bracket bottom plate of the driven wheel of the X shaft through a screw hole, the synchronous belt is sleeved on the driving wheel and the driven wheel, and the two ends of the driving wheel of the X shaft and the mounting bracket of the driven wheel are connected by the Y shaft and can move synchronously.

As an embodiment of the invention, referring to FIG. 2, a 29-laser head U-shaped frame is installed on an 8-MGN7 linear guide rail with an X-axis length of 312mm and an MGN7C guide rail slide block, a synchronous belt pressing plate or a synchronous belt clamp with a mounting hole is used for fixing an X-axis synchronous belt and the laser head U-shaped frame by screws, the laser head U-shaped frame is driven to move when the X-axis synchronous belt moves, a 12-laser head fixing seat screw column penetrates through the 29-laser head U-shaped frame mounting hole and is fixed by a spring gasket and a nut, a 27-laser head protective sleeve is installed in the 12-laser head fixing seat, a laser diode is installed in the laser head protective sleeve, a 13-reflection lens mounting frame 15X 2mm and an upper U-shaped rotation support opening width 30X 40mm long X3 mm are arranged on the side wall of a 5-transmission device, a laser head parking position is vertically opposite to the 13-reflection lens bracket and a reflection lens sheet, the laser head parking position is vertically abutted to the U-shaped rotation bracket when a laser head parking point, setting a parking coordinate by a mainboard as a starting point position of a laser head, starting a self-cleaning mode when the laser head is started each time, directly irradiating 10 seconds or twinkling 10 times to irradiate 10X 2mm silver-plated and aluminum-plated single-sided reflecting lenses to complete lens self-cleaning, colliding with the left side of 87.5-degree inclined planes on two sides of the wedge-shaped top of a 38-touch deflection deflector rod to incline to +2.5 degrees to stop, retreating a Y-axis stepping motor by 20mm to enable the laser head to normally work after leaving the wedge-shaped deflector rod, starting a self-cleaning function when the laser head is parked next time, retreating the Y axis by 20mm, advancing the X axis to the direction of the motor by 10mm, bypassing the reflector bracket deflector rod to touch the right side of the deflector rod to-2.5 degrees, normally irradiating carbon deposition laser heads line by line, deflecting +/-2.5 degrees to irradiate two sides of an ionization sheet, and touching two sides of a U-shaped rotary bracket to be shifted to 90 degrees and vertically parked to the starting point position when the starting point is started, the method comprises the steps of mounting hardware with the length of 30-tank chain support 286mm and the width of 23.5mm and the thickness of 0.8mm on an X-axis slide rail by using screws, fixing mounting holes (needing tapping) of 31-tank chain 7mm with the length of 380.6mm on an X-axis slide block by using 2 M3 screws at the head of the tank chain and a drag chain support hardware fixed on the X-axis slide block by using phi 3.5 screws, fixing the mounting holes above the X-axis slide block, fixing the head of a Y-axis tank belt on a mounting hole M4 at the tail of the 30-tank chain support, fixing the tail of the Y-axis tank belt on a mounting support base plate at the 2 M4 mounting support, cutting an open belt GT2-6mm rubber synchronous belt into 644mm, pressing the heads of the open belt at two ends of the synchronous belt by using a 6mm synchronous belt clamp or using a copper nose type synchronous belt clamp with a hole at the head, sleeving the open belt heads on a Y-axis K-type driving wheel and an H-type driving wheel, and mounting a limiting piece at the tail of the X-axis linear slide rail.

As an embodiment of the invention, referring to FIG. 2, the Y-axis has an upper 8-MGN7 linear guide rail slide way and a lower 8-MGN 7C guide rail slide block, the upper rail is provided with a 22-Y axis stepping motor, a 42 stepping motor is outwards installed on an installation seat of an ABS material 5-transmission device outer frame in FIG. 1, the 22-Y axis stepping motor is connected with a 23-Y axis K type synchronous wheel driving wheel, a 35-Y axis H type (AF type) synchronous wheel of the Y-axis upper rail is horizontally installed on the side wall of the 5-transmission device outer frame and is driven by a 528mm length synchronous belt, the 24-MGN7C guide rail slide block of the upper rail is connected with an X axis driving wheel installation support by a screw, the lower ends of the 8-MGN7 linear guide rail slide block of the lower rail and the 24-MGN7C guide rail slide block of the X-axis driven wheel support are pressed and fixed together by a tooth-shaped press plate and the synchronous belt, the X-axis moves synchronously, two 35-Y-axis H-shaped (AF-shaped) synchronizing wheels 2GT-20 teeth are arranged on an upper Y-axis slide way and a lower Y-axis slide way, an inner hole 5mm driving wheel is arranged on phi 4.8X 14mm steps at two ends of a 33-Y-axis transmission shaft (synchronizing rod) by jackscrews, the length of the shaft is 338.4mm, 304 or 45 steel steps at the top end phi 3X 3mm of the 33-Y-axis transmission shaft, the top of the 33-Y-axis transmission shaft penetrates through 3X 5X 2.1/7X 0.6 (copper-iron matrix) in a 9-lining of the outer frame wall surface, two sides of the lining are provided with E-shaped check rings phi 3 and phi 4 for limiting and fixing a long axis at two sides of a mounting bracket by check ring mounting positions, two sides of the long axis are connected with a Y-axis lower rail and a 32-Y-axis lower rail at the parallel position of the long axis by a synchronous belt to support a 34-Y-axis synchronizing wheel 2GT driven wheel arranged on the short axis.

As an embodiment of the invention, referring to fig. 3, a 3-ionization sheet is installed by rotating 90 degrees, a 36-steering motor and a 37-laser head steering gear box are installed on an X axis, the 36-steering motor and the 37-laser head steering gear box are connected with a Z axis socket of an integrated main control board, 2 gears with different sizes and small sizes are installed in the 37-laser head steering gear box, a main shaft of the steering motor is firstly connected with a large gear (the number of teeth is 25, the shaft phi 5mm and the thickness 5 mm), the module is 1mm and the tooth width is 5mm, a small gear (the number is 20) with the outer diameter of 20mm is driven by the large gear (the number of teeth is 18, the shaft phi 2.9 mm) to rotate, the module is 1mm and the tooth width is 5mm and the pressure angle (the number of degrees) is 20, the small gear drives a fixed seat and a laser head U-shaped frame to rotate, the motor stepping angle is 1.8 degrees for steering, a circle of 360 degrees of pulses (200 steps), the motor can be controlled in a whole step and can also be controlled in a half step, the motor rotates 1.8 degrees, the gear set drives the laser head to drive a laser head to rotate, the laser head fixed area, the laser head rotates to damage the height of the laser head can not to irradiate a direct incidence area, and the direct incidence area can not exceed 11 cm; the laser head steering device can also use a Shenzhen magic company HX-08L bus steering engine, the laser head steering device is provided with a serial bus interface, a high-precision potentiometer is used as angle feedback, position, temperature and voltage feedback, burning resistance and rotation blockage prevention are realized, the steering engine is positioned in a 240-degree range in a working mode, a speed reduction motor is controlled in a mode of 360 degrees, drive-free upper computer software is used for connecting a TTL/USB modulation board debugging system, an STM32 single chip microcomputer mainboard is supported, and the laser head is installed on a side support of the steering engine to finish carbon removal at different angles in a smoke collection cavity.

As an embodiment of the invention, referring to FIG. 4, a 39-X shaft motor and guide rail mounting bracket hardware are provided, the thickness of a 304 plate is 1.3mm, a 3 phi 3.5 screw hole is arranged on an upper frame 5.5mm away from a frame for mounting a 10-X shaft stepping motor, a motor shaft passes through a middle round hole phi 21mm of the metal mounting bracket from the back of a metal sheet, a 25-X shaft K type synchronous wheel 2GT driving wheel 20 teeth inner hole phi 5mm (the bandwidth is 6 mm) is fixed on the motor shaft by a jackscrew, the middle horizontal bending part 40 phi 18.4mm position of the hardware bracket is a position reserved for mounting a 31-tank chain by a 30-tank chain bracket, there are interval 15mm 2 M2mm mounting holes (need tapping) on 40X 9.2mm bends below the hardware middle part horizontal bend for installing 8-MGN7 guide rail slideway hole distance 15mm of X axle length 312mm install MGN7C straight line slider on the guide rail slideway, the width of the vertical bending piece in hardware middle part side 18.4X height 34.4mm opens 4 phi 2.5mm hole and Y axle upper rail that have interval 8mm fix on 24-MGN7C guide rail slider of Y axle upper rail 8-MGN7 straight line slideway on the 5-transmission device installation frame lateral wall screw position is fixed, the length 15X width 18.4mm bend of support hardware afterbody length 10.7mm position center position open M3 hole back tapping, synchronous belt clamp plate and synchronous belt for fixing Y axle upper rail, concrete: 39-X axle motor, guide rail installing support hardware use hold-in range clamp or take the hold-in range clamp and the Y axle hold-in range of mounting hole to be fixed, drive the rail synchronous motion on the X axle and the Y axle, the rail includes on the Y axle: a driving wheel of a 23-Y-axis K-type synchronizing wheel arranged on a 22-Y-axis stepping motor shaft and a 35-Y-axis H-type (AF-type) synchronizing wheel arranged on a 33-Y-axis transmission shaft (synchronizing rod) on the side wall of a 5-transmission device installation frame through a jackscrew are fixed through a 9-bush and a check ring at the tail part, and the Y-axis H-type (AF-type) synchronizing wheel can transmit power to a Y-axis H-type (AF-type) synchronizing wheel of a Y-axis lower rail through the 33-Y-axis transmission shaft to complete synchronization of an upper Y axis and a lower Y axis and drive the X axis to move.

As an embodiment of the invention, referring to FIG. 5, the thickness of a mounting bracket hardware 304 plate of the 11-X shaft synchronizing wheel driven wheel is 1.3mm, a phi 5mm hole is formed at the position, 3.7 a distance from a side surface to a metal sheet is 19.2 a 11.2mm high, of the metal sheet, the position is provided with a phi 5mm hole, the 11-X shaft synchronizing wheel driven wheel is mounted on a riveting shaft made of 304 materials and long by 15mm, the middle part of the metal bracket is horizontally bent by 11 a 7.4mm, then vertically bent by 23.4 mm, 9.2mm, bent by a mounting hole with a distance of 15mm 2M 2mm, and then a tail part for mounting an 8-MGN7 guide rail slideway with a length of 312mm at a hole distance of 15mm is tapped, the width 15 of a bending piece vertical to the side surface of the middle part of the hardware is 41.8mm, 4 phi 2.5mm holes with the interval of 8mm are formed in the bending piece, a Y-axis lower rail is fixed on a MGN7 sliding block of a Y-axis lower rail 8-MGN7 linear slideway on the side wall of a 5-transmission device installation frame, the screw position of the MGN7 sliding block is fixed, the length 28 is bent, the width 11 of the tail part of the hardware of the support is 11, M3 holes are formed in the central point of the hardware, and the hardware is tapped and used for fixing a 34-Y-axis synchronizing wheel driven wheel of a Y-axis lower rail 32-Y-axis lower rail supporting short shaft and a synchronous belt pressing plate and a synchronous belt of a 35-Y-axis H-type (AF-type) synchronizing wheel fixed on a 33-Y-axis transmission shaft, so that two sides of an X axis and an upper Y axis and a lower Y axis are in synchronous motion.

As an embodiment of the present invention, referring to fig. 6, 12-laser head fixing seat is a round aluminum pipe or copper pipe with phi 22 x 40mm and wall thickness of 2mm, two side wall surfaces are provided with 10 x 35mm heat dissipation ports capable of mounting 10 x 30mm semiconductor refrigeration piece for active heat dissipation, a heating area on the back of the refrigeration piece is provided with a heat pipe for passive heat dissipation, the inner diameter of the round pipe of the laser head fixing seat is 18mm, the front of the round pipe is spaced from a frame by 10mm by 23mm 2 x M3 screw hole to mount a laser protection copper sleeve with phi 18 x 40mm inside the screw limit fixing, the back of the 12-laser head fixing seat is provided with a height of 3mm from 15.5mm of a lower frame, phi 8mm steps are provided on the round pipe, a metal cylinder with a length of 7.5mm is arranged on the front of the round pipe, M4 screw is tapped on the cylinder with a length of 7.5mm, and passes through a mounting hole of a 29-U-shaped frame as a 28-laser head damping rotating shaft, and is connected with an M4 flat gasket, a spring gasket, a nut and a 29-U-shaped frame, the laser head fixing seat is optimized to use a copper head standard component with an external diameter of 40mm external diameter of an external screw of an external diameter of a copper wire of 40mm, and an external diameter of the laser head of 25-58 mm, and an active heat dissipation method of the laser head is adopted, and two types of the laser head is adopted, and the laser head is adopted: the manufacturing method is characterized in that two 10-inch 35mm heat dissipation ports are formed in two side wall surfaces of an outer copper wire pipe in an active heat dissipation mode to install refrigerating fins and heat dissipation fins, a passive heat dissipation mode is adopted to avoid heat dissipation holes in the pipe wall, a 6-minute hexagonal union cap is used as a fixing seat support base and welded to the upper surface of a head of an outer copper hexagonal screw M4-inch 8mm, the thickness of the hexagonal opposite side of the head of the screw is 3mm, the distance between the front surface of a circular pipe and a frame is 10mm, 2mm, of the front surface of the circular pipe is 23mm, a laser head protection copper sleeve is fixed through the screw for screw perforation tapping, a 27-laser head protection sleeve and a 12-laser head fixing seat are filled with heat conduction silicone grease or Kafter heat conduction silicone K-5205 with insulating, high temperature resistant and curable adhesion coefficients, an M4 flat gasket, an M4 spring gasket, an M4 nut and a 29-laser head U-shaped frame are connected through the screw after an M4 mounting hole is formed in the 29-laser head U-shaped frame, or the 6-minute hexagonal union cap is not used, the copper head and the top surface of the screw is directly welded to the position 15.5mm away from the lower frame, and the cost of a finished product is reduced, and the manufacturing process is better.

As an embodiment of the invention, refer to the structure diagram of the 29-laser head U-shaped frame in FIG. 7, the top is bent by 28X 11mm, the distance between the short side and the outer side is 4.3mm, the central point of the two sides of the long side is tapped by a hole with the diameter of 3.5mm, the bracket is fixed by M3.5 screws together with the bracket of the drag chain, the pressure plate of the synchronous belt and the synchronous belt of the X shaft which are tapped by a connecting hole with the diameter of 3.5mm, the bracket of the drag chain is 30X 25.4mm, the 6mm bent length is 11.8 at the 13.6 position, tank chain mounting holes with the distance of 8mm 2X M3 are required to be tapped, the middle of the 29-laser head U-shaped frame is vertically bent with the width of 18X and the height of 19.5mm, the screw position of an MGN7 sliding block installed on a 4X phi 2.5mm hole with the distance of 8mm and an X-axis 8-MGN7 linear slideway is fixed, a U-shaped bending plate 9X 12mm away from a vertical bending plate is arranged in the middle of a 29-laser head U-shaped frame, the U-shaped bending plate is horizontally bent at the back by 9X 18mm, a phi 4.5 hole is formed in the center of the U-shaped frame and then tapping is carried out, and the U-shaped frame is used for connecting a 28-laser head damping rotating shaft penetrating through a 12-laser head fixing seat with an M4 flat gasket, a spring gasket, a locknut and the 29-laser head U-shaped frame.

Referring to fig. 8, an embodiment of the invention relates to a 30-tank chain support 286 × 23.5 × 0.8mm, two side belts are bent by 10mm, one side of the tank chain support is bent and is provided with 6 × M2 holes and then is installed in a corresponding installation hole on the back of an X-axis MGN7 slideway in a tapping mode, the total length of the bent part is 380.6mm, a 31-tank chain with an outer frame 7 × 7mm and a 31-tank chain head are fixed by screws and 2 × M3 installation holes at the tail of the drag chain support, the tail of the tank chain support and the 30-tank chain support on one side of the X motor support are fixed by the 2 × M4 installation holes at the position 22mm away from a frame, and the 30-tank chain support on the same side is fixed by 14mm and 1 × M4 installation holes at the position 6.5mm away from a right frame and is used for being fixedly installed at the head of a Y-axis upper track rail which is placed below the tank chain support, and the tail of the Y-axis upper track is fixed at a2 tank chain fixing point of a 2-tank chain installation frame bottom plate of a 5-tank transmission device M4.

The above embodiments are only intended to illustrate the present invention, and do not represent any further limitations of the present invention, and other insubstantial modifications of the present invention based on the above embodiments will be within the scope of the present invention.

Claims

1. The utility model provides a device of lampblack absorber carbon deposit is clear away with laser, the main part includes: 1-the inner housing of the kitchen ventilator, the manufacturing material is 2-PC, PP, ABS, nylon, PPS, PTFE, FR4 epoxy resin board, the inner housing is installed in the metal outer housing of the kitchen ventilator and adopts local wrapping or integral wrapping as 3-ionization sheet, 4-integrated main control panel cabin, 5-transmission device installation frame, 6-transmission device installation support, there are protruding 7-inside and outer housing fixing seats outside the inner housing smoke-collecting cavity, the inner housing is installed in the opening of the metal outer housing top plate of the kitchen ventilator and fixed, 21-main air inlet protective screen is installed at the bottom of the inner housing smoke-collecting cavity, 3-ionization sheet is installed on the protruding installation slideway of the smoke-collecting cavity side wall above, the ionization sheet is used as the compartment around as 4-integrated main control panel cabin and plasma power cabin,

the smoke collecting cavity of the inner shell of 2-PC, PP, ABS, nylon, PPS, PTFE and FR4 epoxy resin plate is provided with two sides with raised installation slideways as a 6-transmission device installation support, the upper part is provided with a 5-transmission device installation frame, the frame is internally provided with transmission structures of X-axis stepping motors, Y-axis stepping motors, synchronizing wheels and synchronous belts, the upper part is provided with a laser diode carbon removing module and a laser lens automatic cleaning device, the lower part of the transmission device installation frame is provided with an ionization sheet,

a20-axial flow main fan is arranged at an exhaust port at the top of a smoke collection cavity above a transmission device, a 19-Venturi type air flow recovery and silencing pipe is arranged at an air outlet at the tail part of the fan, a 15-circulating turbine on the side surface of a pipeline sucks backflow gas by using a Venturi tube, the backflow gas is mixed with fresh gas through a one-way air inlet valve and then is discharged to the lower part of an ionization sheet from a connecting hose at the exhaust port of a 14-circulating turbine, part of the ionization gas continuously circulates the rest ionization gas to be discharged indoors for indoor sterilization, an indoor and outdoor circulating air valve is arranged at the tail section of a main exhaust pipe, and a valve of an 18-air valve actuator is driven to open and close through a rotating shaft of a 17-electric air valve actuator connected with a 16-electric air valve actuator and used for controlling indoor and outdoor circulation.

2. The X, Y axis transmission of claim 1, using a synchronizing wheel, synchronizing belt structure, comprising: the system comprises a 10-X-axis stepping motor, a 11-X-axis synchronous wheel driven wheel, an 8-MGN7 linear slideway, a sliding block, a 25-X-axis K-type synchronous wheel, a 26-X-axis synchronous belt, a 22-Y-axis stepping motor, a 23-Y-axis K-type synchronous wheel driving wheel, a 9-Y-axis synchronous wheel driven wheel, a 24-MGN7C guide rail sliding block, a 30-tank chain support, a 31-tank chain, a 32-Y-axis lower rail supporting short shaft, a 33-Y-axis transmission shaft, a 34-Y-axis synchronous wheel driven wheel, a 35-Y-axis H-type (AF-type) synchronous wheel, a 39-X-axis motor, a guide rail mounting support, a 40-X-axis driven wheel, a guide rail mounting support, a Y-axis motor mounting seat on a 5-transmission device mounting frame, an X-axis limit, a Y-axis limit, a laser driving plate, an integrated main control plate, a 36-steering motor deflection control plate for controlling the angle adjustment of a laser head, a 37-steering gear box and a 38-touch deflection deflector rod.

3. The laser head decarbonization module of claim 1, wherein a total length of 40mm + phi 18mm metal cylinder of a protective sleeve of a standard 9mm laser diode packaged using TO5 comprises: a laser diode with a wave band of 430 nm-465 nm, light power of 3.5W-6W, an LD fixed seat, a lens fixed seat, a spring, a focusing seat, a lens sleeve, a laser head protective lens, a PCB laser driving circuit board, a lead and a power line, the voltage is 12V-24V, the control mode of PWM or TTL modulation signals is supported, the laser diode can use a phi 9mm focusing collimating lens M9 x P0.5 glass plated with a high antireflection film lens, a protective lens window sheet in front of a laser head protective sleeve uses a protective lens made of glass, K9 glass or JGS1 quartz, plating a double-layer high antireflection film, using a plane mirror, a linear cylindrical lens and a Bawell lens, installing a 27-laser head protective sleeve into a 12-laser head fixing seat, using a 28-laser head damping rotating shaft, an M4 nut and a spring gasket on a 29-laser head U-shaped frame, using a stepping motor to move and collide 38, using a touch deflection deflector rod to deflect a laser head to irradiate the deflection irradiation angle of +/-2.5 degrees and 90 degrees, and using a 36-steering motor, a 37-laser head steering gear box, a steering engine or using two reversely installed double-head laser heads to irradiate the side surface and the top of a smoke collection cavity.

4. The automatic lens cleaning device according to claim 1, comprising: 27-there are coating film protective lens of glass, K9 glass or JGS1 quartz crystal material and install on 5-there are 13-reflection lens support and reflector on the drive unit installation frame in the copper lens frame that the internal thread installs in front of protective cover of laser head, can use reflective honeycomb lens, fresnel reflector, level crossing, convex lens, concave lens, use the silver-plated or aluminized one-way reflective film of glass, K9 glass or JGS1 quartz crystal material, put U type rotary support on the reflector and be used for recovering the verticality when the laser head stops at the starting point, the laser diode penetrates the reflective lens directly 10 seconds or glimmers 10 times when the laser head starts each time, utilize reflective lens reflected energy to clear up greasy dirt, dust on the protective lens of laser head coating film.

5. The laser head decarbonization module of claim 1 can use a galvanometer module, characterized in that: the optical scanning servo control device consists of an optical scanning part and a servo control part, and comprises the following components: the laser head fixing seat and the steering motor are arranged at the head of the push rod, and the lens vibrating lens on the laser head fixing seat is driven to shake and turn downwards 180 degrees inwards along the Y-axis direction and irradiate the side wall, the top surface, the main fan and the impeller of the smoke collecting cavity 0-90 degrees above the smoke collecting cavity, so that the smoke collecting cavity can be irradiated by the smoke collecting cavity, and the smoke collecting cavity can be irradiated by the smoke collecting cavity through the smoke collecting cavity, the smoke collecting cavity and the fan.

6. The laser head decarbonization module of claim 1, using 2-3 stacked, series-connected, high power laser diodes, 10W optical power, 7W electrical power-60W, using laser beam combining techniques, comprising: the laser diode comprises a laser diode with space beam combination, wavelength beam combination and polarization beam combination, and also comprises a semiconductor laser adopting a single-mode (multi-mode) optical fiber coupling technology which adopts a laser diode which is installed in parallel and is installed reversely and adopts the laser diode as a light source.

7. The 5-transmission mounting frame of claim 1 wherein a transmission can be used comprises: x, Y, Z axle use T type screw rod slip table, include: the stepping motor, the T-shaped screw rod or the ball screw rod, the slide block, the linear rail, the screw rod bearing, the bearing support, the circular rail, the motor flange plate, the coupling and the base structure can also use a micro push rod, and also can use a micro direct current speed reducing motor with a metal gear box or a micro stepping motor, 20, 28, 38 and 42 stepping motors.

8. The 12-laser head holder phi 22mm round tube of claim 3 has active and passive heat dissipation modes: open 10 at circular wall during the initiative heat dissipation and start the semiconductor refrigeration piece of 35mm thermovent installation, refrigeration face and laser head protective sheath laminating, at semiconductor refrigeration piece heating face or fixing base pipe wall paste passive form heat pipe formula heat dissipation pipe and small-size fin heat dissipation, use when adopting passive heat dissipation to paint the heat dissipation silicone grease between copper laser head fixing base and the laser diode sheath, utilize the superficial area heat dissipation of copper laser head fixing base body.

9. The inner shell body of the range hood according to the claim 1, the inner shell made of 2-PC, PP, ABS, nylon, PPS, PTFE, FR4 epoxy resin plate can be partially wrapped with an ionization sheet or a transmission device part, or is fully wrapped as a complete inner shell, PTFE polytetrafluoroethylene and PPS polyphenylene sulfide materials are used as a transmission shaft or used as an injection molding material to cast a linear rail and a transmission device frame, and the material of the inner shell except the FR4 epoxy resin plate is installed together after being subjected to segmented mold opening and injection molding by using a die steel 718h (domestic brand 3Cr2 NiMo) die steel.

10. The device for removing carbon deposition of a range hood by using laser according to claim 1, which can be used for cleaning ionization sheets of a multi-stage filter screen type air purifier, a pipeline type central air purifier, a medical plasma sterilizer, a commercial plasma range hood and industrial purification equipment, wherein a reflection lens for self-cleaning of the laser head is matched with a laser lens window protection sheet to protect a body of the laser head from being polluted, and the laser beam obliquely irradiates the side walls of two sides of an ionization sheet grid by adopting an inclined angle.