CN114017879A - Air sterilizer based on electromagnetic induction and electromagnetic sterilization method - Google Patents
Air sterilizer based on electromagnetic induction and electromagnetic sterilization method Download PDFInfo
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- CN114017879A CN114017879A CN202111353876.0A CN202111353876A CN114017879A CN 114017879 A CN114017879 A CN 114017879A CN 202111353876 A CN202111353876 A CN 202111353876A CN 114017879 A CN114017879 A CN 114017879A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides an air sterilizer based on electromagnetic induction and an electromagnetic sterilization method, belonging to the technical field of sterilization, comprising a machine shell, wherein the bottom of the machine shell is provided with an electric room, an air inlet chamber is arranged above the electric room, two sides of the air inlet chamber are provided with air inlet holes, a filter layer is detachably arranged above the air inlet chamber, an induction coil is fixedly arranged above the filter layer, an induction carrier net is detachably arranged above the induction coil, the induction carrier net is matched with the induction coil to form electromagnetic induction so as to form induction current on the induction carrier net, microorganisms contacted with the induction carrier net are killed through the induction current, an exhaust fan is arranged above the induction carrier net, two sides of the exhaust fan are provided with air outlet holes, the air is accelerated to be contacted with the induction carrier net through the exhaust fan, the bottom of the machine shell is provided with an improved moving wheel so as to ensure that the temporary fixation of the air sterilizer is more stable, the air sterilizer provided by the invention has the advantages of safety, high-efficiency sterilization, stability, controllability and reliability.
Description
Technical Field
The invention belongs to the technical field of disinfection, and particularly relates to an air disinfection machine based on electromagnetic induction, and an electromagnetic disinfection method applied to the air disinfection machine.
Background
The air sterilization and disinfection refers to the disinfection and sterilization treatment of microorganisms and bacteria in the air, most of the existing air disinfection treatment technologies adopt the steps of spraying disinfection liquid medicine into the air, ultraviolet direct irradiation disinfection, ozone disinfection and the like, the method of spraying the liquid medicine and ozone disinfection can cause residues in the air to cause certain influence on human health, the direct irradiation of ultraviolet rays also has harm to the human body, and the disinfection can not be carried out when a person is in the air.
At present, an air sterilizer is also adopted to sterilize air, and one part of the existing air sterilizer is fixed and is not flexible enough to use; the other part is movable, but most of the movable air disinfectors adopt universal wheels with brakes, and the purpose of temporary fixation is achieved by locking the rotation of the universal wheels. But for smooth floor, its frictional force that forms is less, even the universal wheel is locked, but its fixed effect still is relatively poor, has influenced user's use experience.
Disclosure of Invention
Based on the problems in the prior art, the invention provides an air sterilizer based on electromagnetic induction, which comprises a casing, wherein an electric chamber is arranged at the bottom of the casing, a circuit board and electric equipment arranged on the circuit board are fixedly arranged in the electric chamber, the part of the casing above the electric chamber is an air inlet chamber, a plurality of air inlet holes are formed in the casing corresponding to the two sides of the air inlet chamber, a filter layer is detachably arranged on the casing above the air inlet chamber, an induction coil is fixedly arranged on the casing above the filter layer, an induction carrier net is detachably arranged on the casing above the induction coil, the induction carrier net and the induction coil are matched to form electromagnetic induction to form induction current on the induction carrier net, an exhaust fan is fixedly arranged on the casing above the induction carrier net, and air outlet holes are formed in the casing corresponding to the two sides of the exhaust fan, the filtering layer and the induction carrier net both cross the inner space of the casing, so that the inner space of the casing is divided into an upper part, a middle part and a lower part.
The filter layer comprises a coarse filter layer and a fine filter layer, the coarse filter layer is positioned below the fine filter layer, the fine filter layer is positioned above the coarse filter layer, and the diameter of the meshes of the filter screen of the coarse filter layer is larger than that of the meshes of the filter screen of the fine filter layer.
The bottom of the shell is provided with a plurality of movable wheels, each movable wheel comprises a wheel carrier fixedly mounted on the lower surface of the shell, each wheel carrier is rotatably provided with a roller, and each wheel carrier is also rotatably provided with a locking key matched with the roller; an extension installation part is arranged on one side of the wheel carrier, a swing rod is rotatably installed on one side of the wheel carrier, which is provided with the extension installation part, and one end of the swing rod is coaxially and rotatably connected with the locking key; the extension installation part is provided with a plurality of guide grooves, a spring cavity is arranged in each guide groove, a reset spring is arranged at the bottom of each spring cavity, one end, located above the reset spring, of each sucker connecting rod is slidably installed in each guide groove, one end of each sucker connecting rod is provided with a guide slider matched with the corresponding guide groove, the lower surface of each guide slider is in contact with the top of the corresponding reset spring, the upper surface of one end, provided with the guide slider, of each sucker connecting rod is provided with a pressing groove, the lower part, far away from one end of each locking button, of each swing rod is rotatably installed with a pressing slider, the pressing slider is slidably installed in the corresponding pressing groove, one end, far away from the guide slider, of each sucker connecting rod is connected with a negative pressure sucker, and an air passage communicated with the corresponding pressing groove is formed in each negative pressure sucker; when pressing down the slider and being absorbed in pressing down the inslot completely, press down the slider and hide the export that stifled gas channel is located and press down the groove, drive negative sucker and push down and adsorb ground when pressing down the locking button in step.
One side of the pressing sliding block close to the air passage outlet is provided with an inclined soft pad, the lower part of the inclined soft pad is in clearance fit with the inner wall of the pressing groove, and the upper part of the inclined soft pad is in interference fit with the inner wall of the pressing groove.
The induction carrier net is formed by weaving induction carrier net wires into a net shape and then bending and forming; the middle part of the cross section of the induction carrier net is U-shaped, two sides of the U-shaped cross section respectively form a section of first semicircle, the tail end of the first semicircle extends to the U-shaped direction along the diameter of the first semicircle to form a semicircle diameter part, the tail end of the semicircle diameter part is connected with a second semicircle, the second semicircle and the first semicircle form a complete circle, the tail end of the second semicircle is provided with an extending part, and the induction carrier net is connected with a mounting frame through the extending parts on the two sides; the two sides of the part that the response carrier net corresponds semicircle diameter portion, correspond first semicircle and the part of second semicircle lean on all scribbling photocatalyst coating in the one side to semicircle diameter portion, the part fretwork and the fixed mounting that the response carrier net corresponds semicircle diameter portion have an ultraviolet lamp, the ultraviolet lamp pass through the power cord and be connected to the power, the part that the response carrier net corresponds the U-shaped bottom forms electromagnetic induction with induction coil to produce induced electromotive force.
The induction carrier net is divided into a front part and a rear part by an insulation partition except for a U-shaped corresponding part, and the two parts are not communicated with each other; two ends of the ultraviolet lamp are respectively fixed and electrically connected to the front part and the rear part.
An electromagnetic disinfection method is applied to the air disinfection machine, a resonance capacitor, an IGBT module and a central processing unit are arranged in an electric chamber of the air disinfection machine, an induction coil and the resonance capacitor form an LC series resonance topology, a rectified direct current power supply is inverted by controlling the on-off of the IGBT module to generate high-frequency alternating current, the alternating current passes through an LC resonance circuit and generates a magnetic field changing along with the current frequency in the surrounding space of the induction coil, so that induced electromotive force is generated on an induction carrier network fixedly placed in a changing magnetic field, and the current formed by the induced electromotive force kills microorganisms in the air; and simultaneously, the working state of the resonant circuit is detected in real time to judge whether the inductive load changes, and the central processing unit compares the sampled load current phase signal with a preset reference signal to adjust the switching frequency of the IGBT module in real time to ensure that the resonant circuit always works in a quasi-resonant state with partial sensitivity, so that a larger inductive electromotive force is generated on an inductive carrier network, and the killing effect of microorganisms and the like is ensured.
Wherein, the electromagnetic disinfection method comprises the following detailed steps:
step S1, the air sterilizer is connected with the commercial power, the power frequency alternating current input by the commercial power is rectified into direct current through the rectifier, and the exhaust fan is connected to the circuit in parallel;
step S2, starting an exhaust fan to drive air to flow to the induction carrier net, so that the air flows to contact with the induction carrier net to kill microorganisms in the air; the induction coil and the resonance capacitor form an LC series resonance topology, rectified direct current is inverted into high-frequency alternating current by controlling the on-off of the IGBT module, a magnetic field which changes along with the current frequency is generated in the space around the induction coil in a resonance loop, induced electromotive force is generated on an induction carrier net arranged above the induction coil, a plurality of loops are arranged on the induction carrier net to enable the induction carrier net to form induction current, and microbes which contact the induction coil are killed through the induction current;
step S3, presetting a reference phase value, continuously and repeatedly carrying out the step in the whole working stage of the circuit except the preset reference phase value, sampling the load current phase in real time through a load phase sampling module, comparing the phase reference value given by a central processing unit and a system, judging whether the induction load changes, automatically adjusting the switching frequency of an IGBT module of a resonant circuit according to the change of the load phase, if the current phase lags behind the voltage phase, not carrying out interference control on the central processing unit, otherwise, carrying out the step S4;
in step S4, if the current phase leads the voltage phase, the cpu controls the IGBT module of the auto-boost resonant tank to switch the frequency so that the phase of the tank satisfies the predetermined reference phase value relationship, and the current phase of the tank naturally lags the voltage phase, and then the process repeats step S3.
The switching frequency of the LC series resonance circuit is adjusted within the range of (15-50) KHz, the LC series resonance circuit belongs to a low frequency band, high-energy electromagnetic wave radiation is avoided, an electromagnetic field is easy to shield, and the manufactured equipment can be placed in the living environment of a human body; the central processing unit adopts a high-speed singlechip, a DSP or other CPU with corresponding processing capacity, and ensures that the frequency converter can receive and process the current and voltage phase data information in real time and perform corresponding operation.
The range of the phase reference value in step S3 is 400-1000, the phase reference value is fixedly preset during production, or is preset by an upper computer at the site of use according to actual conditions, and the larger the value setting, the larger the angle of current lag, and the more reliable the system.
The invention has the beneficial effects that:
1) the electromagnetic induction technology is applied to air sterilization, a new technical scheme is provided for air sterilization, residual substances in the air cannot be caused, sterilization can be performed under the condition of people, and the air sterilization device has the advantages of safety and high-efficiency sterilization.
2) The whole electromagnetic induction system captures the phase change of the resonant circuit in real time and automatically makes corresponding adjustment, so that the working state of the system is more stable, the reliability is higher, high-energy electromotive force can be induced in real time, and the system is more controllable and efficient relative to a direct connection power supply.
3) The structure of the existing moving wheel is improved, the swing rod which rotates synchronously with the locking button is additionally arranged on the existing moving wheel, the swing rod is provided with the negative pressure sucker, and the negative pressure sucker is driven to press downwards the smooth ground through the locking pressing operation of the locking button, so that the smooth ground is adsorbed, and the temporary fixing capacity is improved; in addition, the sliding installation of the negative pressure sucker can realize quick assembly and disassembly and can adapt to smooth ground and rough ground.
Drawings
Fig. 1 is a schematic structural view of an air sterilizer based on electromagnetic induction, in which a rear cover of a cabinet is hidden for the convenience of displaying an internal structure.
Fig. 2 is a schematic structural diagram of the moving wheel.
Fig. 3 is a top view of the movable wheel at the extended mounting portion, in which the return spring in the guide groove located above the illustrated orientation is hidden.
Fig. 4 is a schematic structural view of the movable wheel, hiding the wheel frame and the roller, wherein the dashed and solid lines on the negative pressure suction cup in the figure represent the air passage hidden in the negative pressure suction cup, and the air passage cannot be seen from the appearance in practice, so the dashed and solid lines are used for conveniently understanding the structure.
Fig. 5 is a perspective view of the pressing slider.
Fig. 6 is a schematic structural view of one end of the sucker link.
Fig. 7 is a cross-sectional view of an inductive carrier web.
Fig. 8 is a schematic structural diagram of an inductive carrier mesh according to the first embodiment.
Fig. 9 is a schematic structural view of an induction carrier mesh and an induction coil of the second embodiment.
Fig. 10 is a topology diagram of LC series resonance adopted by the variable frequency controller in the embodiment.
In fig. 11, the current phase lags behind the voltage phase diagram, i.e. the intersection of the current curve and the abscissa axis is located behind the intersection of the voltage curve and the abscissa axis.
Fig. 12 is a schematic diagram showing that the current phase is ahead of the voltage phase, i.e., the intersection of the current curve and the abscissa axis is located before the intersection of the voltage curve and the abscissa axis.
Fig. 13 is a schematic diagram of an electromagnetic induction system formed by an adaptive magnetic-electric induction air sterilization method in the embodiment.
Among them, in fig. 10:
cs1, Cs 2: the buffer capacitors of the two IGBT modules are used for realizing the ZVS state of the modules;
ls: a coil L which is the equivalent inductance of the coil coupled with the metal compound to be induced and generates resonance;
cx1, Cx 2: a capacitor C for generating high-voltage resonance;
tc is a current sensor for sampling the load current;
rh is the equivalent resistance of the coil coupled to the metal oxide being induced.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
An air sterilizer based on electromagnetic induction as shown in the attached fig. 1-8, comprising a casing 1, wherein an electric chamber 2 is arranged at the bottom of the casing 1, a circuit board and electric equipment required by a conventional air sterilizer arranged on the circuit board are fixedly arranged in the electric chamber 2, the part of the casing 1 above the electric chamber 2 is an air inlet chamber 3, a plurality of air inlet holes 31 are arranged on the casing 1 corresponding to two sides of the air inlet chamber 3, a filter layer 4 is detachably arranged on the casing 1 above the air inlet chamber 3, the filter layer 4 comprises a coarse filter layer 41 and a fine filter layer 42, the coarse filter layer 41 is arranged below, the fine filter layer 42 is arranged above, the mesh diameter of the coarse filter layer 41 is larger than that of the fine filter layer 42, the coarse filter layer 41 and the fine filter layer 42 are respectively and fixedly arranged on a square frame, a mounting frame matched with the square frame is arranged on the casing 1, the coarse filter layer 41 and the fine filter layer 42 are slidably mounted on a square frame through the square frame, the induction coil 5 is fixedly mounted on the casing 1 above the filter layer 4, the induction coil is also fixed by the square frame, the square frame is slidably mounted on the casing 1, as shown in fig. 9, both sides of the induction coil 5 are provided with openings, air flows through both sides of the induction coil 5, the casing 1 above the induction coil 5 is detachably mounted with an induction carrier net 6, the induction carrier net 6 is matched with the induction coil 5 to form electromagnetic induction so as to form induction current on the induction carrier net 6, the sterilization mode in the embodiment mainly adopts the induction current to kill microorganisms by electric shock, the sterilization is assisted by high temperature formed by the electromagnetic induction, a better sterilization effect is achieved, and the casing 1 above the induction carrier net 6 is fixedly mounted with an exhaust fan 7, the casing 1 that the exhaust fan 7 both sides correspond department is provided with venthole 71, filter layer 4 and induction carrier net 6 all cross casing 1 inner space, make casing 1 inner space divide into three parts, in and down, the air that enters into in the casing 1 must be through filter layer 4 and induction carrier net 6 after can follow venthole 71 and flow out.
As a preferred embodiment, four movable wheels 8 are arranged at the bottom of the housing 1, the movable wheels 8 comprise wheel frames 81 fixedly mounted on the lower surface of the housing 1, the wheel frames 81 are rotatably mounted with rollers 82, the wheel frames 81 are also rotatably mounted with locking buttons 83 matched with the rollers 82, the wheel frames 81, the rollers 82 and the locking buttons 83 form a conventional movable wheel with a locking function, a gear control structure is arranged between the locking buttons 83 and the wheel frames 81, i.e. a structure forming a locking state gear and a free state gear, and the movable wheel has a certain capability of holding the locking buttons 83 to prevent false triggering, such as a conventional structure of matching a marble with a marble groove, which is not shown in the drawing due to the conventional structure; an extension installation part 84 is arranged on one side of the wheel carrier 81, a swing rod 86 is rotatably installed on one side of the wheel carrier 81, which is provided with the extension installation part 84, and one end of the swing rod 86 is coaxially and rotatably connected with the locking key 83; the extension installation part 84 is provided with two guide grooves 85, a spring cavity 87 is arranged in the guide groove 85, a return spring 88 is arranged at the bottom of the spring cavity 87, one end of a sucker connecting rod 91 is slidably arranged in the guide groove 85 and above the return spring 88, a guide slider 92 matched with the guide groove 85 is arranged at one end of the sucker connecting rod 91, the lower surface of the guide slider 92 is contacted with the top of the return spring 88, when the return spring 88 is in a natural extension state, the locking button 83 moves to a position for releasing the locking state, a pressing groove 93 is arranged on the upper surface of one end of the sucker connecting rod 91 provided with the guide slider 92, a pressing slider 89 is rotatably arranged at the lower part of one end of the swing rod 86 far away from the locking button 83, the pressing slider 89 is slidably arranged in the pressing groove 93, and one end of the sucker connecting rod 91 far away from the guide slider 92 is connected with a negative pressure sucker 9, an air passage 94 communicated with the pressing groove 93 is arranged in the negative pressure sucker 9; when the pressing slide block 89 is completely sunk into the pressing groove 93, the pressing slide block 89 blocks the air passage 94 at the outlet of the pressing groove 93, and the negative pressure sucker 9 is synchronously driven to press and adsorb the ground when the locking button 83 is pressed; an inclined soft pad 891 is arranged on one side of the pressing slide block 89 close to the outlet of the air channel 94, the lower part of the inclined soft pad 891 is in clearance fit with the inner wall of the pressing groove 93, and the upper part of the inclined soft pad 891 is in interference fit with the inner wall of the pressing groove 93.
When the air sterilizer is moved into position, the suction cups 9 can be used if the floor surface is smooth. Push down locking button 83 to gyro wheel 82 locking, pendulum rod 86 rotates simultaneously and drives negative pressure sucking disc 9 through the transmission of pressing slider 89 and sucking disc connecting rod 91 and pushes down, and reset spring 88 is compressed, because press slider 89 to be embedded into and press the inslot 93 and carry out the shutoff to the export of air flue 94, and air flue 94 is obstructed, and the air in the negative pressure sucking disc 9 flows and forms the absorbent effect of negative pressure along with pushing down, strengthens the interim fixed action to the sterilizer. When the sterilizer needs to be moved again, the locking button 83 is lifted, the roller 82 releases the locking, the swing rod 86 swings upwards and slightly leaves the pressing groove 93, air enters the negative pressure suction cup 9 from the air passage 94 without blocking the air passage 94, the negative pressure adsorption effect is eliminated, the negative pressure suction cup rises under the action of the reset spring 88, the sterilizer can be freely moved again, and the operation is more convenient and simpler due to the linkage of the negative pressure suction cup 9 and the locking button 83.
If the ground is not a smooth surface, the locking button 83 can be slightly lifted upwards, and then the negative pressure sucker 9 is upwards slid and detached, so that the use is prevented from being influenced.
As a preferred embodiment, the induction carrier net 6 is formed by weaving induction carrier net wires into a net shape, and then is formed by bending; the middle part of the cross section of the induction carrier net 6 is in a U shape 61, two sides of the U shape 61 are respectively provided with a first semicircle 62, the tail end of the first semicircle 62 extends to the direction of the U shape 61 along the diameter of the first semicircle 62 to form a semicircle diameter part 63, the tail end of the semicircle diameter part 63 is connected with a second semicircle 64, the second semicircle 64 and the first semicircle 62 form a complete circle, the tail end of the second semicircle 64 is provided with an extension part 65, and the induction carrier net 6 is connected with a mounting frame 66 through the extension parts 65 on the two sides; the two sides of the part of the induction carrier net 6 corresponding to the semicircular diameter part 63 and the parts corresponding to the first semicircle 62 and the second semicircle 64 are all coated with photocatalyst coating on one side of the semicircular diameter part 63, the part of the induction carrier net 6 corresponding to the semicircular diameter part 63 is hollowed out and fixedly provided with an ultraviolet lamp 67, the ultraviolet lamp 67 is connected to a power supply through a power line, organic matters in the air are decomposed and certain disinfection effect is achieved through the matching of the ultraviolet lamp 67 and the photocatalyst, meanwhile, the periphery of the ultraviolet lamp 67 is provided with a cylindrical induction carrier net 6, so that the ultraviolet rays of the ultraviolet lamp 67 can almost play a role, waste is avoided to a certain extent, the influence on the human body caused by the leakage of the ultraviolet rays can be avoided, meanwhile, the cylindrical structure is arranged, the air passing through the part is equivalent to the three-layer induction carrier net 6, the sterilization and disinfection effect can be improved, the part of the induction carrier net 6 corresponding to the bottom of the U-shaped 61 and the induction coil 5 form electromagnetic induction, and the induced electromotive force is generated, the rest parts are outside the magnetic field and are mutually communicated, and the whole induction carrier net 6 forms a plurality of parallel loops, so that current is formed on the induction carrier net 6 to shock and kill the microorganisms contacted with the induction carrier net.
The air sterilizer adopts the following electromagnetic sterilization method, automatically adjusts the induction circuit in real time to enable the induction circuit to be in the most efficient state, a resonance capacitor, an IGBT module and a central processing unit are arranged in an electric chamber 2 of the air sterilizer, an induction coil 5 and the resonance capacitor form an LC series resonance topology, the rectified DC power supply is inverted by controlling the on-off of the IGBT module to generate high-frequency alternating current, the alternating current passes through an LC resonance circuit and generates a magnetic field changing along with the current frequency in the space around the induction coil 5, so that induced electromotive force is generated on an induction carrier network 6 fixedly placed in a changing magnetic field, and the current formed by the induced electromotive force kills microorganisms in the air; simultaneously real-time detection resonant circuit's operating condition to judge whether inductive load changes, central processing unit is through the load current phase signal to the sample and preset reference signal carry out the comparison, real-time adjustment IGBT module's switching frequency to guarantee that resonant circuit works in the quasi-resonance state of partial sensibility all the time, thereby produce great induced electromotive force on induction carrier net 6, guarantee the effect of killing of microorganism etc. it includes following detailed step:
step S1, the air sterilizer is connected with the commercial power, the power frequency alternating current input by the commercial power is rectified into direct current through the rectifier, and the exhaust fan 7 is connected to the circuit in parallel;
step S2, starting the exhaust fan 7 to drive the air to flow to the induction carrier net 6; the induction coil 5 and the resonant capacitor form an LC series resonance topology as shown in FIG. 10, rectified direct current is inverted into high-frequency alternating current by controlling the on-off of the IGBT module, a magnetic field changing along with the current frequency is generated in the space around the induction coil 5 in a resonance loop, induced electromotive force is generated on an induction carrier network 6 arranged above the induction coil 5, a plurality of loops are arranged on the induction carrier network 6 to form induction current on the induction carrier network 6, and microbes contacting with the induction current are killed through the induction current;
step S3, presetting a phase reference value of 500 during production, continuously and repeatedly carrying out the steps in the whole working stage of the circuit except for the preset reference phase value, sampling the load current phase in real time through a load phase sampling module, comparing the load current phase with the phase reference value given by the system in real time by a central processing unit, judging whether the induction load changes, and automatically adjusting the switching frequency of an IGBT module of the resonant circuit according to the change of the load phase, wherein the adjustment range of the switching frequency is 15-50 KHz, if the current phase lags behind the voltage phase, as shown in figure 11, the central processing unit does not carry out interference control, otherwise, the step S4 is carried out, and the central processing unit adopts a high-speed singlechip, a DSP or other CPUs with corresponding processing capacity;
in step S4, if the current phase leads the voltage phase, as shown in fig. 12, the cpu controls the IGBT module of the auto-boost resonant tank to switch the frequency so that the phase of the tank satisfies the predetermined reference phase value relation, and the current phase of the tank naturally lags the voltage phase, and then the process repeats step S3.
The connection mode of the electrical equipment in the sterilizer is shown in figure 13, a central processing unit is taken as a core, and is sequentially connected with an isolation driving module, an IGBT module, an LC resonance circuit and a load phase sampling module end to form a phase closed loop control system, one end of a bridge rectifier is connected with an external power supply, the other end of the bridge rectifier outputs direct current to the IGBT module, the IGBT module inverts the direct current into alternating current of (15-50) KHz according to the control of the central processing unit, the LC resonance circuit forms a variable magnetic field through a coil to enable an induction carrier network 6 to generate induced electromotive force and further form induced current, the central processing unit selects 60MHz control frequency, can acquire and process information of load current phase in real time through the phase sampling module, in the electromagnetic induction system, Ls and Cx form series resonance, f is inherent resonance frequency, and the size of Ls is related to Cx, see the following formula:
it can be seen from the formula of the resonant frequency that the natural resonant frequency of the system is L, C certain, the value of f is a certain value, in the system, C is a fixed value, Ls is an equivalent parameter, and the main factors influencing the Ls parameter include:
1. the coupling coefficients of the metal compounds of different materials and the coil are not consistent;
2. the distance between the frequency converter coil and the metal compound is inconsistent, and the coupling coefficient is inconsistent;
3. during operation, changes in the temperature of the coil will also cause equivalent parameters to change.
These three factors are the main factors that cause Ls to change, so the natural resonant frequency of the system also changes dynamically, as reflected by the change between voltage and current phases.
By monitoring the phase, once the phase of the current is ahead of the voltage phase, the central processing unit can adjust in time, the switching frequency of the IGBT module is increased, and the system returns to the quasi-resonance state of the biasing property again.
The air sterilizer is subjected to a virus killing effect test, and the result is as follows:
the number of colonies before the test is 64800 colonies/cubic meter; after the test, 1120 colonies/cubic meter are measured, and the killing rate is (64800-1120)/64800-98.2716%.
Example two:
as shown in fig. 9, the difference between this embodiment and the first embodiment is that the induction carrier net 6 of the air sterilizer is divided into a front part and a rear part by an insulating partition 68 except the corresponding part of the U-shape 61, and the two parts are not communicated with each other; the both ends of ultraviolet lamp 67 fixed respectively and electric connection to front portion and back part, form the return circuit through ultraviolet lamp 67 promptly, make ultraviolet lamp 67 can utilize the electric energy that forms on the induction carrier net 6, this kind of connected mode needs the ultraviolet lamp 67 of specific design to can adapt to voltage and electric current on the induction carrier net 6, this kind of designed mode can make ultraviolet lamp 67 need not electric wire connection to external power source, the circuit has been reduced, make whole induction carrier net 6 be in a state that can dismantle at any time, easy to assemble dismouting and maintenance.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The air sterilizer based on electromagnetic induction comprises a machine shell (1), wherein an electric room (2) is arranged at the bottom of the machine shell (1), a circuit board and electric equipment arranged on the circuit board are fixedly arranged in the electric room (2), and the air sterilizer is characterized in that the part of the machine shell (1) above the electric room (2) is an air inlet chamber (3), a plurality of air inlets (31) are formed in the machine shell (1) corresponding to the two sides of the air inlet chamber (3), a filter layer (4) is detachably arranged on the machine shell (1) above the air inlet chamber (3) of the machine shell (1), an induction coil (5) is fixedly arranged on the machine shell (1) above the filter layer (4), an induction carrier net (6) is detachably arranged at the part of the machine shell (1) above the induction coil (5), and the induction carrier net (6) and the induction coil (5) are matched to form electromagnetic induction to enable the induction coil (6) to form induction current, casing (1) department fixed mounting of induction carrier net (6) top have air discharge fan (7), casing (1) department that air discharge fan (7) both sides correspond be provided with venthole (71), filter layer (4) and induction carrier net (6) all span casing (1) inner space, make casing (1) inner space divide into upper, middle and lower triplex.
2. An electromagnetic induction based air sterilizer as claimed in claim 1, wherein the filter layer (4) comprises a coarse filter layer (41) and a fine filter layer (42), the coarse filter layer (41) being located below and the fine filter layer (42) being located above, the coarse filter layer (41) having a mesh diameter larger than that of the fine filter layer (42).
3. The air sterilizer based on electromagnetic induction according to claim 2, wherein a plurality of moving wheels (8) are arranged at the bottom of the casing (1), the moving wheels (8) comprise wheel carriers (81) fixedly mounted on the lower surface of the casing (1), rollers (82) are rotatably mounted on the wheel carriers (81), and locking buttons (83) matched with the rollers (82) are also rotatably mounted on the wheel carriers (81); an extending installation part (84) is arranged on one side of the wheel carrier (81), a swing rod (86) is rotatably installed on one side of the wheel carrier (81) provided with the extending installation part (84), and one end of the swing rod (86) is coaxially and rotatably connected with the locking key (83); the extension installation part (84) is provided with a plurality of guide grooves (85), the guide grooves (85) are internally provided with spring cavities (87), the bottoms of the spring cavities (87) are provided with return springs (88), the guide grooves (85) are internally provided with one ends, which are positioned above the return springs (88), and are provided with sucker connecting rods (91) in a sliding manner, one ends of the sucker connecting rods (91) are provided with guide sliding blocks (92) matched with the guide grooves (85), the lower surfaces of the guide sliding blocks (92) are contacted with the tops of the return springs (88), the upper surfaces of the ends, provided with the guide sliding blocks (92), of the sucker connecting rods (91) are provided with pressing grooves (93), the lower parts, far away from one ends of the locking keys (83), of the swing rods (86) are rotatably provided with the pressing sliding blocks (89), the pressing sliding blocks (89) are arranged in the pressing grooves (93) in a sliding manner, one end of the sucker connecting rod (91) far away from the guide sliding block (92) is connected with a negative pressure sucker (9), and an air passage (94) communicated with the pressing groove (93) is arranged in the negative pressure sucker (9); when the pressing sliding block (89) is completely sunk into the pressing groove (93), the pressing sliding block (89) blocks the air channel (94) at the outlet of the pressing groove (93), and the negative pressure sucker (9) is synchronously driven to press down the adsorption ground when the locking button (83) is pressed.
4. An electromagnetic induction based air sterilizer as claimed in claim 3, wherein the side of the pressing slider (89) close to the outlet of the air passage (94) is provided with an inclined cushion (891), the lower part of the inclined cushion (891) is in clearance fit with the inner wall of the pressing groove (93), and the upper part of the inclined cushion (891) is in interference fit with the inner wall of the pressing groove (93).
5. The air sterilizer based on electromagnetic induction as claimed in claim 4, characterized in that the induction carrier net (6) is woven into a net shape by induction carrier net wires and then formed by bending; the middle part of the cross section of the induction carrier net (6) is in a U shape (61), two sides of the U shape (61) respectively form a section of first semicircle (62), the tail end of the first semicircle (62) extends towards the U shape (61) along the diameter of the first semicircle (62) to form a semicircle diameter part (63), the tail end of the semicircle diameter part (63) is connected with a second semicircle (64), the second semicircle (64) and the first semicircle (62) form a complete circle, the tail end of the second semicircle (64) is provided with an extension part (65), and the induction carrier net (6) is connected with a mounting frame (66) through the extension parts (65) on the two sides; two sides of the part that response carrier net (6) corresponds semicircle diameter portion (63), the part that corresponds first semicircle (62) and second semicircle (64) leans on all to scribble photocatalyst coating on the one side of semicircle diameter portion (63), and the part fretwork and the fixed mounting that response carrier net (6) correspond semicircle diameter portion (63) have ultraviolet lamp (67), ultraviolet lamp (67) be connected to the power through the power cord, response carrier net (6) correspond the part and the induction coil (5) formation electromagnetic induction of U-shaped (61) bottom to produce induced electromotive force.
6. The air sterilizer based on electromagnetic induction as claimed in claim 5, wherein the induction carrier net (6) is divided into a front part and a rear part by an insulating partition (68) except the corresponding part of the U-shape (61), and the two parts are not communicated with each other; two ends of the ultraviolet lamp (67) are respectively fixed and electrically connected to the front part and the rear part.
7. An electromagnetic disinfection method, characterized in that, it applies to the air disinfector of any one of claims 1-6, the air disinfector's electric room (2) is equipped with resonance capacitance, IGBT module and CPU, the induction coil (5) and resonance capacitance compose LC series resonance topology, through controlling the on-off of IGBT module, the rectified DC power is inverted, the high frequency alternating current is generated, the alternating current passes through LC resonance circuit and generates magnetic field changing with current frequency in the space around the induction coil (5), thus the induced electromotive force is generated on the induction carrier net (6) fixed in the changing magnetic field, the current formed by the induced electromotive force kills the microorganism in the air; and meanwhile, the working state of the resonant circuit is detected in real time to judge whether the inductive load changes, and the central processing unit compares the sampled load current phase signal with a preset reference signal to adjust the switching frequency of the IGBT module in real time to ensure that the resonant circuit always works in a quasi-resonant state with partial sensitivity, so that a large inductive electromotive force is generated on an inductive carrier network (6), and the killing effect of microorganisms and the like is ensured.
8. An electromagnetic sterilisation method according to claim 7, characterised in that it comprises the following detailed steps:
step S1, the air sterilizer is connected with the mains supply, the mains frequency alternating current input by the mains supply is rectified into direct current through the rectifier, and the exhaust fan (7) is connected to the circuit in parallel;
step S2, starting an exhaust fan (7) to drive air to flow to an induction carrier net (6); an induction coil (5) and a resonant capacitor form an LC series resonance topology, rectified direct current is inverted into high-frequency alternating current by controlling the on-off of an IGBT module, a magnetic field which changes along with the current frequency is generated in the space around the induction coil (5) in a resonance loop, induced electromotive force is generated on an induction carrier network (6) arranged above the induction coil (5), a plurality of loops are arranged on the induction carrier network (6) to enable induction current to be formed on the induction carrier network (6), and microorganisms which are in contact with the induction current are killed through the induction current;
step S3, presetting a reference phase value, continuously and repeatedly carrying out the step in the whole working stage of the circuit except the preset reference phase value, sampling the load current phase in real time through a load phase sampling module, comparing the phase reference value given by a central processing unit and a system, judging whether the induction load changes, automatically adjusting the switching frequency of an IGBT module of a resonant circuit according to the change of the load phase, if the current phase lags behind the voltage phase, not carrying out interference control on the central processing unit, otherwise, carrying out the step S4;
in step S4, if the current phase leads the voltage phase, the cpu controls the IGBT module of the auto-boost resonant tank to switch the frequency so that the phase of the tank satisfies the predetermined reference phase value relationship, and the current phase of the tank naturally lags the voltage phase, and then the process repeats step S3.
9. An electromagnetic disinfection method as claimed in claim 8, characterized in that said LC series resonant circuit switching frequency is adjusted in the range of (15-50) KHz; the central processing unit adopts a high-speed singlechip, a DSP or other CPU with corresponding processing capacity.
10. An electromagnetic sterilization method as claimed in claim 9, wherein the range of the phase reference value in step S3 is 400-1000, and the phase reference value is fixedly preset during production or preset by the upper computer at the site of use according to actual conditions.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008286436A (en) * | 2007-05-15 | 2008-11-27 | Toshiba Home Technology Corp | Air conditioner |
| CN101546691A (en) * | 2009-04-27 | 2009-09-30 | 黄浩 | Electromagnetic induction ultraviolet germicidal lamp |
| CN201731570U (en) * | 2010-08-10 | 2011-02-02 | 贺文锋 | Air condition indoor unit with air purification device |
| CN105582570A (en) * | 2016-02-04 | 2016-05-18 | 高邮高和光电器材有限公司 | Sterilizing device capable of always keeping optimal ultraviolet light output |
| KR20180012021A (en) * | 2016-07-26 | 2018-02-05 | 주식회사 에어오아시스코리아 | Disinfection-type air purification system |
| CN108814861A (en) * | 2018-03-27 | 2018-11-16 | 尹兴政 | A kind of Medical tray vehicle that Medical tray placement is more firm |
| CN111166925A (en) * | 2020-03-06 | 2020-05-19 | 深圳国创名厨商用设备制造有限公司 | Magnetoelectric induction air disinfection equipment |
| CN111214693A (en) * | 2020-03-06 | 2020-06-02 | 深圳国创名厨商用设备制造有限公司 | Self-adaptive magnetoelectric induction air disinfection method |
| CN111358995A (en) * | 2020-03-19 | 2020-07-03 | 深圳国创名厨商用设备制造有限公司 | Magnetoelectric induction air disinfection method |
| CN212016232U (en) * | 2020-03-13 | 2020-11-27 | 刘伊婷 | Medical instrument disinfection device |
| CN212187256U (en) * | 2020-03-19 | 2020-12-22 | 深圳国创名厨商用设备制造有限公司 | Three-dimensional structure inducted body applied to magnetic induction air disinfection and disinfection equipment |
| CN112891600A (en) * | 2021-01-29 | 2021-06-04 | 深圳国创名厨商用设备制造有限公司 | Modularized magnetic-electric integrated disinfection structure |
-
2021
- 2021-11-16 CN CN202111353876.0A patent/CN114017879B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008286436A (en) * | 2007-05-15 | 2008-11-27 | Toshiba Home Technology Corp | Air conditioner |
| CN101546691A (en) * | 2009-04-27 | 2009-09-30 | 黄浩 | Electromagnetic induction ultraviolet germicidal lamp |
| CN201731570U (en) * | 2010-08-10 | 2011-02-02 | 贺文锋 | Air condition indoor unit with air purification device |
| CN105582570A (en) * | 2016-02-04 | 2016-05-18 | 高邮高和光电器材有限公司 | Sterilizing device capable of always keeping optimal ultraviolet light output |
| KR20180012021A (en) * | 2016-07-26 | 2018-02-05 | 주식회사 에어오아시스코리아 | Disinfection-type air purification system |
| CN108814861A (en) * | 2018-03-27 | 2018-11-16 | 尹兴政 | A kind of Medical tray vehicle that Medical tray placement is more firm |
| CN111166925A (en) * | 2020-03-06 | 2020-05-19 | 深圳国创名厨商用设备制造有限公司 | Magnetoelectric induction air disinfection equipment |
| CN111214693A (en) * | 2020-03-06 | 2020-06-02 | 深圳国创名厨商用设备制造有限公司 | Self-adaptive magnetoelectric induction air disinfection method |
| CN212016232U (en) * | 2020-03-13 | 2020-11-27 | 刘伊婷 | Medical instrument disinfection device |
| CN111358995A (en) * | 2020-03-19 | 2020-07-03 | 深圳国创名厨商用设备制造有限公司 | Magnetoelectric induction air disinfection method |
| CN212187256U (en) * | 2020-03-19 | 2020-12-22 | 深圳国创名厨商用设备制造有限公司 | Three-dimensional structure inducted body applied to magnetic induction air disinfection and disinfection equipment |
| CN112891600A (en) * | 2021-01-29 | 2021-06-04 | 深圳国创名厨商用设备制造有限公司 | Modularized magnetic-electric integrated disinfection structure |
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