CN116597600A - Intelligent security system - Google Patents
Intelligent security system Download PDFInfo
- Publication number
- CN116597600A CN116597600A CN202310606710.8A CN202310606710A CN116597600A CN 116597600 A CN116597600 A CN 116597600A CN 202310606710 A CN202310606710 A CN 202310606710A CN 116597600 A CN116597600 A CN 116597600A
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- China
- Prior art keywords
- smoke
- bevel gear
- filter screen
- air pipe
- pipe
- Prior art date
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- 239000000779 smoke Substances 0.000 claims abstract description 128
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 10
- 241000883990 Flabellum Species 0.000 claims description 8
- 239000012188 paraffin wax Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003708 edge detection Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 208000021063 Respiratory fume inhalation disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/18—Particle separators, e.g. dust precipitators, using filtering belts
- B01D46/20—Particle separators, e.g. dust precipitators, using filtering belts the belts combined with drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses an intelligent security system, which comprises a shell, wherein a box body is arranged in the shell, an air pipe is arranged below the box body, a transmission shaft is connected with a third conical gear, the transmission shaft penetrates through the wall of the air pipe, the other end of the transmission shaft is connected with a fourth conical gear in a meshed manner, the fourth conical gear is connected with a first conical gear in a meshed manner, a fifth conical gear is connected with a negative pressure fan blade in a driving manner, and the negative pressure fan blade rotates to pump smoke into the air pipe; a smoke flow rate detection unit is arranged in the air pipe, the smoke flow rate detection unit detects the smoke flow rate drawn into the air pipe, the control unit obtains smoke concentration through data processing through a smoke picture shot by the camera, the water spraying amount of the atomizing nozzle is set according to the smoke flow rate and the smoke concentration, smoke is adsorbed and removed through the atomizing nozzle, and a collection bin is arranged to collect an adsorbed smoke mixture; can eliminate the dense smoke at the fire position when the fire disaster happens, and provide more escape time.
Description
Technical Field
The invention belongs to the technical field of security protection, and particularly relates to an intelligent security protection system.
Background
The fire alarm is a device for automatically detecting fire or manually sending out alarm signals, which is used in various public places such as business, industrial places, entertainment and the like, and the fire alarm part is displayed on a screen of a control room or a duty room of the area through circuit communication. In daily life, fire facilities are indispensable, and once the fire works are not sufficiently prepared, the resulting hazards and losses are not imaginable. Most casualties caused by fire are caused by smoke inhalation, so that the choking death accounts for one half to two thirds of the total death number, and even if people burned by fire are mostly choked by smoke, the escape capability is lost. The dissipation or removal of smoke from a fire is therefore an important reason for reducing the number of casualties.
Most of the existing fire alarm systems consist of regional fire alarm controllers, fire detectors and the like, after the fire detectors detect fire, fire data are transmitted to a control center, the control center obtains specific fire positions, and fire is automatically sprayed and extinguished through fire control equipment, and alarm sounds are emitted; for most residential buildings, the currently used alarm system generally only provides a dangerous case alarm bell, and cannot strive for more critical escape time, and after a fire disaster occurs, a great amount of smoke is emitted to influence the critical escape time, so that a security system capable of eliminating smoke is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an intelligent security system which can eliminate dense smoke at a fire disaster position when the fire disaster occurs, provide more escape time and solve the problems in the background technology.
The invention provides the following technical scheme:
the intelligent security system comprises a shell, wherein a box body is arranged inside the shell, a top plate is arranged inside the box body, a paraffin layer is arranged on one side of the top plate, a rubber sleeve is wrapped outside the paraffin layer, a top rod is connected to the other side of the top plate, a first bevel gear is rotationally connected to the other end of the top rod, a photoelectric sensor is arranged on the first bevel gear, a first spring is arranged on the top rod, one end of the first spring is connected with the top rod, the other end of the first spring is connected with the inner wall of the box body, a second bevel gear and a third bevel gear are arranged on one side of the first bevel gear at intervals, the second bevel gear is connected with a motor, and the first bevel gear can be meshed with the second bevel gear and the third bevel gear through motor driving;
an air pipe is arranged below the box body, the third bevel gear is connected with a transmission shaft, the transmission shaft penetrates through the wall of the air pipe, the other end of the transmission shaft is connected with a fourth bevel gear in a meshed mode, the fourth bevel gear is connected with a first bevel gear in a meshed mode, the fifth bevel gear is connected with a negative pressure fan blade in a driving mode, and the negative pressure fan blade rotates to pump smoke into the air pipe;
a smoke flow rate detection unit is arranged in the air pipe, the smoke flow rate detection unit detects the smoke flow rate drawn into the air pipe, the control unit obtains smoke concentration through data processing through a smoke picture shot by the camera, the water spraying amount of the atomizing nozzle is set according to the smoke flow rate and the smoke concentration, smoke is adsorbed and removed through the atomizing nozzle, and a collection bin is arranged to collect an adsorbed smoke mixture;
negative pressure flabellum is equipped with the filter screen, and the filter screen can be rolled up and changed, and the filter screen filters the smoke and dust, promotes clean effect.
Preferably, the smoke flow rate detection unit is arranged at the inlet end of the air pipe, the smoke flow rate detection unit comprises a rotating blade, the rotating blade is rotationally connected with a supporting rod through a rotating shaft, the other end of the supporting rod is fixedly connected with the inner wall of the air pipe, a rotating frame body is arranged on the periphery of the rotating blade, the rotating frame body rotates along with the rotating blade, and a plurality of deflector rods are arranged on the periphery of the rotating frame body; the outer side of the rotating frame body is provided with an external fixing frame which is fixedly connected with the air pipe, the inner side wall of the external fixing frame is provided with a plurality of piezoelectric sheets, a buffer mechanism is arranged among the piezoelectric sheets and comprises a sleeve, both ends of the sleeve are respectively provided with a guide rod in a sliding manner, the guide rods are connected with the piezoelectric sheets, and a second spring is arranged in the sleeve and is compressed by the guide rods; the piezoelectric sheet is connected with a rectifier and a control unit through a wire, and the control unit acquires the potential difference generated by the piezoelectric sheet.
Preferably, a diversion piece is arranged in the air pipe, a diversion hole is arranged in the diversion piece, the diversion Kong Jie is of a trapezoid structure, one end of the diversion hole, which is far away from the smoke flow rate detection unit, is provided with at least one atomizing nozzle, the atomizing nozzle is connected with a water guide line, the other end of the water guide line is provided with a water tank, and a miniature water pump is arranged in the water tank and connected with the water guide line.
Preferably, a condenser pipe is arranged on one side of the flow guide piece far away from the smoke flow velocity detection unit, a plurality of capillaries are arranged on the surface of the condenser pipe, a cooling bin is connected above the condenser pipe, saltpeter is arranged in the cooling bin, a liquid guide pipe is connected above the cooling bin, the other end of the liquid guide pipe is connected with a sealing box body, a piston plate is arranged in the sealing box body, a follower rod is connected to one side of the piston plate, and the other end of the follower rod is connected with a push rod; the sealing box body is internally provided with water, the liquid guide pipe is provided with a one-way valve, and the piston plate compresses the water in the sealing box body into the cooling bin through the liquid guide pipe; the collecting bin is arranged right below the condensing pipe.
Preferably, a filter screen is arranged between the condenser tube and the negative pressure fan blade, two sides of the filter screen are provided with fixed clamping plates, the filter screen can slide in the fixed clamping plates, and the fixed clamping plates are of a ventilation structure; one end of the filter screen is provided with a driving shaft, the driving shaft is arranged below the air pipe, the filter screen is wound on the driving shaft, the other end of the filter screen is wound on a driven shaft, and the driven shaft is arranged above the air pipe.
Preferably, an air inlet pipe is arranged between the filter screen and the negative pressure fan blade, and the air inlet pipe is communicated with the air pipe; the novel air inlet pipe is characterized in that a fan blade is arranged in the air inlet pipe and is in rotary connection with the inner wall of the air inlet pipe, a sixth bevel gear is connected with the fan blade in a driving mode, a seventh bevel gear is connected with the sixth bevel gear in a meshed mode, one side of the seventh bevel gear is connected with a rotating rod, the other end of the rotating rod is connected with an eighth bevel gear, the inner core of the eighth bevel gear is connected with a ninth bevel gear, and the ninth bevel gear is fixedly connected with a driving shaft.
Preferably, the filter screen is equipped with wiper mechanism, wiper mechanism washs the filter screen through steam, and wiper mechanism includes the baffle, the baffle sets up the one end that is close to the tuber pipe in the intake pipe, be equipped with the guide hole on the baffle, the guide hole top is equipped with the sealed cowling, has seted up the through-hole on the sealed cowling, the inside at least one third spring that is equipped with of sealed cowling, the one end and the sealed cowling of third spring are connected, and the third spring other end is connected with the clamp plate, the clamp plate can seal the crimping with the guide hole, the opposite side of clamp plate is connected with the removal conducting rod, and the removal conducting rod is "U" type structure.
Preferably, the cleaning and sucking mechanism further comprises a water storage box, the water storage box is provided with an air jet, the air jet faces the filter screen, a heat conduction column is arranged inside the water storage box, the other end of the heat conduction column extends to the outside of the water storage box, the heat conduction column is provided with a heating coil, one end of the heating coil is connected with a positive conductive column, the other end of the heating coil is connected with a negative conductive column, and the positive conductive column and the auxiliary conductive column are connected with alternating voltage.
Preferably, the positive conductive column is provided with a break, a conductive block is arranged on the inner side of the break, the other end of the movable conductive rod is located right below the break, and when the movable conductive rod moves upwards, the movable conductive rod is inserted into the break and is communicated with the conductive block to form a passage.
Preferably, when a fire occurs, the control unit acquires a scene smoke picture through the scene camera, and detects the scene smoke concentration through the smoke concentration detection module, and the detection method comprises the following steps: firstly, a control unit acquires a plurality of pictures of on-site smoke through a camera, then carries out memorial gray processing on the pictures to obtain a gray image of the smoke, then carries out noise reduction and edge detection on the pictures, removes pixel points of pixel protrusions of the edges of the pictures, and enhances the detection effect; secondly, processing the obtained image to remove invalid information such as blank and shielding objects on the image, wherein the processing process comprises the steps of a, setting an initial threshold value G, traversing the image, wherein the number of pixels with gray values larger than G in each image is A1, the number of pixels with gray values smaller than G is A2, and calculating the average value B1 of A1 and the average value B2 of A2 in all the images; b, the optimal threshold G1 is satisfied, g1= (b1+b2)/2; c, after the optimal threshold value is obtained, calculating the magnitude of an absolute value G1-G absolute value, when the absolute value G1-G absolute value is smaller than eta, eta is smaller than or equal to 0.02, performing binarization processing on all pictures by using the optimal threshold value G1, and when the absolute value G1-G absolute value is larger than eta, repeating the steps a and b until the absolute value G1-G absolute value is smaller than eta, performing binarization processing on the pictures, so that the effective number A3 of pixel points with the pixels larger than G1 in the non-secondary picture can be obtained; d, calculating the average value of A3 of the plurality of pictures to obtain B3; and thirdly, the control center judges the concentration of the current smoke according to B3 in the pictures acquired in different time periods. According to the smog concentration of acquireing, combine the smog velocity of flow in the tuber pipe that smog velocity of flow detection module acquireed, can control the real-time velocity of flow of smog in the tuber pipe and the real-time concentration of smog control the water pump in the water tank in real time to the water jet of control atomizer to make water jet and smog concentration and smog velocity of flow assorted, further promote smog removal effect.
In addition, this technical scheme is when the during operation, when the conflagration takes place, the temperature risees, paraffin layer in the box body melts, the volume increases, promote roof and ejector pin remove rightwards, first spring receives the compression, when first bevel gear and second bevel gear and third bevel gear contact, photoelectric sensor obtains photoelectric signal transmission to the control unit, after the control unit sends love opening command to the motor, drive second bevel gear and first bevel gear after the motor is opened, the third bevel gear rotates, drive fourth bevel gear and fifth bevel gear through the transfer line take shaft simultaneously, negative pressure flabellum follows fifth bevel gear and rotates, and form the negative pressure in the tuber pipe, absorb the smog of taking on fire to the tuber pipe in, and carry out atomizing water spray and get rid of, greatly reduced the giving off of smog, and combine atomizer to help smog to adsorb completely, the effect is got in the reinforcing smog removal.
When negative pressure is applied to the air duct, smoke enters the air duct, the flow rate of the smoke is detected through the smoke flow rate detection unit, the specific process is that the smoke flowing in the air duct drives the rotating blades to rotate, the rotating blades drive the rotating frame body when rotating, the deflector rod on the rotating frame body toggles the piezoelectric plate when rotating, the piezoelectric plate vibrates, the piezoelectric plate generates potential difference on two sides of the piezoelectric plate due to the piezoelectric effect when vibrating, the control unit is connected with the rectifier and the control unit through the lead, and after receiving the voltage generated by the piezoelectric plate, the control unit can reflect the flow rate of the smoke in the air duct according to the voltage, so that the flow rate of the smoke is obtained; when the smoke flow rate in the air pipe is higher, the rotation speed of the rotating blade is higher, the speed of the poking rod driving the piezoelectric plate to vibrate is higher, and conversely, the voltage is lower when the smoke flow rate is lower; according to the flow of smog and the measured smog concentration, the water pump in the water tank is controlled, the water spraying amount of the atomizing nozzle is controlled, and the smog is completely adsorbed. In order to enable the piezoelectric sheets to generate more stable potential difference, the buffer mechanism is arranged between the piezoelectric sheets to buffer the vibration of the piezoelectric sheets, so that the stability of the vibration of the piezoelectric sheets is improved, when the piezoelectric sheets vibrate, the piezoelectric sheets press the guide rods to shrink into the sleeve, the second springs in the sleeve are compressed, the stability of the vibration of the piezoelectric sheets is improved, the stability of the generated voltage is improved, meanwhile, the damage caused by the overlarge vibration amplitude of the piezoelectric sheets is prevented, or the potential difference generated by the overlarge vibration amplitude of the piezoelectric sheets is too small, and the measurement is inaccurate; in order to further increase the measurement accuracy and ensure the use safety of the piezoelectric sheet, the thickness d of the piezoelectric sheet and the length L of the piezoelectric sheet, the elastic modulus E of the piezoelectric sheet, the rigidity coefficient K of the piezoelectric sheet, the elastic coefficient K of the second spring and the maximum extension length x satisfy the following conditions: d=λ ((KL) 2 +(kx) 2 ) 1/2 E; in the aboveLambda is the range of the relation coefficient value between 0.64 and 3.52; d. l, x units cm; the above formula is an empirical formula, which performs only numerical calculation and does not perform unit calculation.
Compared with the prior art, the invention has the following beneficial effects:
the intelligent security system can eliminate dense smoke at the fire position when the fire happens, and provides more escape time; according to the smog concentration of acquireing, combine the smog velocity of flow in the tuber pipe that smog velocity of flow detection module acquireed, can control the real-time velocity of flow of smog in the tuber pipe and the real-time concentration of smog control the water pump in the water tank in real time to the water jet of control atomizer to make water jet and smog concentration and smog velocity of flow assorted, further promote smog removal effect.
The negative pressure fan blades rotate along with the fifth bevel gear, negative pressure is formed in the air pipe, the smoke taken after ignition is absorbed into the air pipe, atomization water spraying is carried out for removing, emission of the smoke is greatly reduced, and the atomization nozzle is combined to facilitate complete adsorption of the smoke, so that the smoke removing effect is enhanced.
The buffer mechanism is arranged between the piezoelectric sheets to buffer the vibration of the piezoelectric sheets, so that the stability of the vibration of the piezoelectric sheets is improved, when the piezoelectric sheets vibrate, the piezoelectric sheets press the guide rods to shrink into the sleeve, the second springs in the sleeve are compressed, the stability of the vibration of the piezoelectric sheets is improved, the stability of the generated voltage is improved, meanwhile, the damage caused by the overlarge vibration amplitude of the piezoelectric sheets is prevented, or the potential difference generated by the overlarge vibration amplitude of the piezoelectric sheets is too small, and the measurement is inaccurate; through limiting the relation between the thickness of the piezoelectric sheet and the length of the piezoelectric sheet, the elastic modulus of the piezoelectric sheet, the rigidity coefficient of the piezoelectric sheet, the elastic coefficient of the second spring and the maximum extension length, the measurement accuracy is further improved, and the use safety of the piezoelectric sheet is ensured.
Through setting up the condenser pipe, effectually condense fog smog to collect through collecting the storehouse, prevent that atomizing steam from gluing and replying on negative pressure fan, cause negative pressure fan operation burden to aggravate, guarantee that negative pressure flabellum influences normal work, promote negative pressure flabellum to smog absorption intensity and absorption rate in the tuber pipe, effectively reduce indoor fire scene's smog, reduce the probability of stifling, provide sufficient time for personnel flee.
A filter screen is arranged in the downwind direction of the condensing pipe to prevent uncondensed atomized water vapor and smoke from damaging the negative pressure fan blades, so that the service life of the negative pressure fan blades is prolonged; the smoke on fire scene can be absorbed as much as possible by ensuring that negative pressure can be continuously generated in the air pipe, the filter screen is prevented from being blocked, and after the filter screen is blocked, the normal work of the negative pressure fan blade is influenced, so that the smoke absorption efficiency of the air pipe is reduced.
Through setting up wiper mechanism and cleaning the filter screen voluntarily, can wash the intractable dust that glues and reply on the filter screen to clean tiny clearance and hole on the filter screen, peel off the smoke and dust greasy dirt that glues and reply on the filter screen, reach high-efficient, water conservation, clean, dry requirement, increase the rate of taking of filter screen, save material cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the structure of the smoke flow rate detection unit of the present invention.
Fig. 3 is a schematic view of a buffer mechanism of the smoke flow rate detection unit of the present invention.
Fig. 4 is an enlarged schematic view of a portion of the present invention.
Fig. 5 is a schematic view of the structure of the condenser tube of the present invention.
Fig. 6 is a schematic view of a cleaning mechanism of the present invention.
Fig. 7 is an enlarged schematic view of part B of the present invention.
Fig. 8 is an enlarged partial schematic view of C of the present invention.
Fig. 9 is a schematic diagram of a filter driving structure of the present invention.
Fig. 10 is a system block diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, of the embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Embodiment one:
1-3 and 10, an intelligent security system comprises a shell 1, wherein a box body 2 is arranged in the shell 1, a top plate 3 is arranged in the box body 2, a paraffin layer 4 is arranged on one side of the top plate 3, a rubber sleeve is wrapped on the outer side of the paraffin layer 4, a push rod 5 is connected to the other side of the top plate 3, a first bevel gear 7 is rotatably connected to the other end of the push rod 5, a photoelectric sensor 8 is arranged on the first bevel gear 7, a first spring 6 is arranged on the push rod 5, one end of the first spring 6 is connected with the push rod 5, the other end of the first spring is connected with the inner wall of the box body 2, a second bevel gear 10 and a third bevel gear 11 are arranged at intervals on one side of the first bevel gear 7, the second bevel gear 10 is connected with a motor 9, and the first bevel gear 7 can be in meshed connection with the second bevel gear 10 and the third bevel gear 11 through the motor 9;
an air pipe 16 is arranged below the box body 2, a transmission shaft 12 is connected with a third bevel gear, the transmission shaft 12 penetrates through the wall of the air pipe 16, a fourth bevel gear 13 is connected with the other end of the transmission shaft 12 in a meshed mode, a first bevel gear is connected with the fourth bevel gear 13 in a meshed mode, a negative pressure fan blade 15 is connected with the fifth bevel gear 14 in a driving mode, and the negative pressure fan blade 15 rotates to pump smoke into the air pipe 16;
a smoke flow rate detection unit 17 is arranged in the air pipe 16, the smoke flow rate detection unit 17 detects the smoke flow rate pumped into the air pipe 16, a control unit obtains smoke concentration through data processing of a smoke picture shot by a camera, the smoke flow rate and the smoke concentration are integrated, the spraying amount of the atomizing nozzle 19 is set, smoke is adsorbed and removed through the atomizing nozzle 19, and a collection bin 28 is arranged to collect an adsorbed smoke mixture;
the negative pressure flabellum 15 is equipped with filter screen 30, and filter screen 30 can be rolled up and change, and filter screen 30 filters the smoke and dust, promotes clean effect.
The smoke flow rate detection unit 17 is arranged at the inlet end of the air pipe 16, the smoke flow rate detection unit 17 comprises a rotating blade 171, the rotating blade 171 is rotationally connected with a supporting rod through a rotating shaft, the other end of the supporting rod is fixedly connected with the inner wall of the air pipe 16, a rotating frame body 172 is arranged on the periphery of the rotating blade 171, the rotating frame body 172 rotates along with the rotating blade 171, and a plurality of deflector rods 173 are arranged on the periphery of the rotating frame body 172; the outside of the rotating frame body 172 is provided with an external fixing frame 174, the external fixing frame 174 is fixedly connected with the air pipe 16, the inner side wall of the external fixing frame 174 is provided with a plurality of piezoelectric sheets 175, a buffer mechanism is arranged among the piezoelectric sheets 175, the buffer mechanism comprises a sleeve 176, both ends of the sleeve 176 are respectively provided with a guide rod 178 in a sliding manner, the guide rods 178 are connected with the piezoelectric sheets 175, a second spring 177 is arranged in the sleeve 176, and the second spring 177 is compressed by the guide rods 178; the piezoelectric sheet 175 is connected with a rectifier and a control unit through a wire, and the control unit acquires a potential difference generated by the piezoelectric sheet 175.
When a fire disaster occurs, the control unit acquires a scene smoke picture through the scene camera, and the scene smoke concentration is detected through the smoke concentration detection module, and the detection method comprises the following steps of: firstly, a control unit acquires a plurality of pictures of on-site smoke through a camera, then carries out memorial gray processing on the pictures to obtain a gray image of the smoke, then carries out noise reduction and edge detection on the pictures, removes pixel points of pixel protrusions of the edges of the pictures, and enhances the detection effect; secondly, processing the obtained image to remove invalid information such as blank and shielding objects on the image, wherein the processing process comprises the steps of a, setting an initial threshold value G, traversing the image, wherein the number of pixels with gray values larger than G in each image is A1, the number of pixels with gray values smaller than G is A2, and calculating the average value B1 of A1 and the average value B2 of A2 in all the images; b, the optimal threshold G1 is satisfied, g1= (b1+b2)/2; c, after the optimal threshold value is obtained, calculating the magnitude of an absolute value G1-G absolute value, when the absolute value G1-G absolute value is smaller than eta, eta is smaller than or equal to 0.02, performing binarization processing on all pictures by using the optimal threshold value G1, and when the absolute value G1-G absolute value is larger than eta, repeating the steps a and b until the absolute value G1-G absolute value is smaller than eta, performing binarization processing on the pictures, so that the effective number A3 of pixel points with the pixels larger than G1 in the non-secondary picture can be obtained; d, calculating the average value of A3 of the plurality of pictures to obtain B3; and thirdly, the control center judges the concentration of the current smoke according to B3 in the pictures acquired in different time periods. According to the obtained smoke concentration, the smoke flow rate in the air pipe 16 obtained by the smoke flow rate detection module is combined, the real-time flow rate of smoke in the air pipe 16 and the real-time concentration of smoke can be controlled in real time to control the water pump in the water tank 20, and the water spraying amount of the atomizing nozzle 19 is controlled, so that the water spraying amount is matched with the smoke concentration and the smoke flow rate, and the smoke removal effect is further improved.
When the technical scheme works, when a fire disaster occurs, the temperature rises, the paraffin layer 4 in the box body 2 melts, the volume increases, the top plate 3 and the ejector rod 5 are pushed to move rightwards, the first spring 6 is compressed, when the first bevel gear 7 contacts with the second bevel gear 10 and the third bevel gear 11, the photoelectric sensor 8 acquires photoelectric signals and transmits the photoelectric signals to the control unit, the control unit then sends an love opening command to the motor 9, the motor 9 drives the second bevel gear 10 and the first bevel gear 7 to rotate, the third bevel gear 11 to rotate after opening, meanwhile, the transmission rod belt shaft drives the fourth bevel gear 13 and the fifth bevel gear 14 to rotate, the negative pressure fan blade 15 rotates along with the fifth bevel gear 14 and forms negative pressure in the air pipe 16, the ignited smoke is absorbed into the air pipe 16 and is atomized and sprayed water for removal, the emission of the smoke is greatly reduced, and the smoke is completely absorbed by combining the atomizing nozzle 19, and the smoke removing effect is enhanced.
When the air duct 16 is subjected to negative pressure, smoke entersIn the air duct 16, the flow rate of the smoke is detected by the smoke flow rate detection unit 17, and the specific process is that the smoke flowing in the air duct 16 drives the rotating blades 171 to rotate, the rotating blades 171 drive the rotating frame 172 when rotating, the deflector 173 on the rotating frame 172 dials the piezoelectric sheet 175 when rotating, so that the piezoelectric sheet 175 vibrates, the piezoelectric sheet 175 generates potential difference on two sides of the piezoelectric sheet 175 due to the piezoelectric effect when vibrating, the rectifier and the control unit are connected through the lead, and the control unit can reflect the flow rate of the smoke in the air duct 16 according to the voltage after receiving the voltage generated by the piezoelectric sheet 175, so as to obtain the flow rate of the smoke; when the smoke flow rate in the air pipe 16 is higher, the rotation speed of the rotating blade 171 is higher, the speed of the deflector rod 173 driving the piezoelectric sheet 175 to vibrate is higher, and conversely, the lower the smoke flow rate is, the lower the generated voltage is; the water pump in the water tank 20 is controlled according to the flow of the smog and the measured smog concentration, the water spraying amount of the atomizing nozzle 19 is controlled, and the smog is completely adsorbed. In order to enable the piezoelectric sheets 175 to generate more stable potential difference, a buffer mechanism is arranged between the piezoelectric sheets 175 to buffer the vibration of the piezoelectric sheets 175, so that the stability of the vibration of the piezoelectric sheets 175 is improved, when the piezoelectric sheets 175 vibrate, the piezoelectric sheets 175 press the guide rods 178 to shrink into the sleeves 176, and the second springs 177 in the sleeves 176 are compressed, so that the stability of the vibration of the piezoelectric sheets 175 is improved, the stability of generated voltage is improved, meanwhile, the damage caused by the overlarge vibration amplitude of the piezoelectric sheets 175 is prevented, or the potential difference generated by the overlarge vibration amplitude of the piezoelectric sheets 175 is too small, and the measurement is inaccurate; in order to further increase the measurement accuracy and ensure the use safety of the piezoelectric sheet 175, the thickness d of the piezoelectric sheet 175 and the length L of the piezoelectric sheet 175, the elastic modulus E of the piezoelectric sheet 175, the stiffness coefficient K of the piezoelectric sheet 175, the elastic coefficient K of the second spring 177, and the maximum extension length x satisfy: d=λ ((KL) 2 +(kx) 2 ) 1/2 E; lambda is the range of the relation coefficient value of 0.64-3.52; d. l, x units cm; the above formula is an empirical formula, which performs only numerical calculation and does not perform unit calculation.
Embodiment two:
referring to fig. 4-5, on the basis of the first embodiment, a flow guiding member 18 is disposed in the air duct 16, a flow guiding hole is disposed in the flow guiding member 18, the flow guiding Kong Jie is in a trapezoid structure, one end of the flow guiding hole, which is far away from the smoke flow velocity detecting unit 17, is provided with at least one atomizer 19, the atomizer 19 is connected with a water guiding line, the other end of the water guiding line is provided with a water tank 20, a micro water pump is disposed in the water tank 20, and the micro water pump is connected with the water guiding line.
A condensing tube 26 is arranged on one side of the flow guide piece 18 far away from the smoke flow velocity detection unit 17, a plurality of capillaries 27 are arranged on the surface of the condensing tube 26, a cooling bin 25 is connected above the condensing tube 26, saltpeter is arranged in the cooling bin 25, a liquid guide tube 24 is connected above the cooling bin 25, the other end of the liquid guide tube 24 is connected with a sealing box body 22, a piston plate 23 is arranged in the sealing box body 22, one side of the piston plate 23 is connected with a follow-up rod 21, the follow-up rod 21 is L-shaped, and the other end of the follow-up rod 21 is connected with a push rod 5; the sealed box body 22 is filled with water, the liquid guide tube 24 is provided with a one-way valve, and the piston plate 23 compresses the water in the sealed box body 22 into the cooling bin 25 through the liquid guide tube; the collection bin 28 is disposed directly below the condenser tube 26.
When the smog passes through the atomizing nozzle 19, in order to facilitate the collection of the atomized water vapor, the atomized water vapor is prevented from being stuck on the negative pressure fan, so that the work load of the negative pressure fan is increased, the normal work is influenced, the generated negative pressure is prevented from being reduced, and the smog cannot be adsorbed; when the smoke passes through the atomizing nozzle 19, the smoke is stuck on the atomized water vapor, the atomized water vapor needs to be collected, the smoke is thoroughly removed, a condensing pipe 26 is arranged in the downwind direction of the flow guide piece 18, the atomized water vapor is condensed, a collecting bin 28 is arranged right below the condensing pipe 26, and the mixture of the condensed liquid and the smoke is collected; the condensation of condenser 26 is called, when ejector pin 5 moves rightwards, drive follower rod 21 to move rightwards, piston plate 23 that the other end of follower rod 21 is connected removes in sealed box 22, water in the sealed box 22 is pressed to catheter 24, flow to cooling storehouse 25 through catheter 24, when rivers flow to cooling storehouse 25, react with the niter in the cooling storehouse 25, the niter dissolves after water, absorb a large amount of heat, make the temperature reduce, the rivers of low temperature are smart cool and quiet pipe, and be full of capillary 27, effectively increased the contact surface area of condenser 26, effectually condense fog smog, and collect through collecting storehouse 28, prevent that atomizing steam from gluing on the negative pressure fan from aggravating, cause negative pressure fan operation burden, guarantee negative pressure fan blade 15 influence normal work, promote negative pressure fan blade 15 and to smog absorption intensity and absorption rate in the tuber pipe 16, effectively reduce indoor scene of fire smog, reduce the probability of stifling, provide sufficient time for the people flee.
Embodiment III:
on the basis of the first embodiment as shown in fig. 6-9, a filter screen 30 is arranged between the condenser tube 26 and the negative pressure fan blades 15, two sides of the filter screen 30 are provided with fixed clamping plates 29, the filter screen 30 can slide in the fixed clamping plates 29, and the fixed clamping plates 29 are of a ventilation structure; one end of the filter screen 30 is provided with a driving shaft 31, the driving shaft 31 is arranged below the air pipe 16, the filter screen 30 is wound on the driving shaft 31, the other end of the filter screen 30 is wound on a driven shaft 32, and the driven shaft 32 is arranged above the air pipe 16.
An air inlet pipe 33 is arranged between the filter screen 30 and the negative pressure fan blade 15, and the air inlet pipe 33 is communicated with the air pipe 16; the air inlet pipe 33 is internally provided with a fan blade 35, the fan blade 35 is rotationally connected with the inner wall of the air inlet pipe 33, the fan blade 35 is in driving connection with a sixth bevel gear 36, the sixth bevel gear 36 is in meshed connection with a seventh bevel gear 37, one side of the seventh bevel gear 37 is connected with a rotating rod 38, the other end of the rotating rod 38 is connected with an eighth bevel gear 39, the inner core of the eighth bevel gear 39 is connected with a ninth bevel gear 40, and the ninth bevel gear 40 is fixedly connected with the driving shaft 31.
The filter screen 30 is equipped with wiper mechanism 34, wiper mechanism 34 washs filter screen 30 through steam, wiper mechanism 34 includes baffle 341, baffle 341 sets up the one end that is close to tuber pipe 16 in the intake pipe 33, be equipped with guide hole 342 on the baffle 341, guide hole 342 top is equipped with sealed cowling 343, the through-hole 344 has been seted up on the sealed cowling 343, the inside at least one third spring 345 that is equipped with of sealed cowling 343, the one end and the sealed cowling 343 of third spring 345 are connected, the third spring 345 other end is connected with clamp plate 346, the clamp plate 346 can with guide hole 342 seal crimping, the opposite side of clamp plate 346 is connected with removes conducting rod 347, remove conducting rod 347 is "U" type structure.
The cleaning and sucking mechanism further comprises a water storage box 352, the water storage box 352 is provided with an air jet 353, the air jet is arranged towards the filter screen 30, a heat conducting column 351 is arranged inside the water storage box 352, the other end of the heat conducting column 351 extends to the outside of the water storage box 352, the heat conducting column 351 is provided with a heating coil 350, one end of the heating coil 350 is connected with a positive conductive column 349, the other end of the heating coil 350 is connected with a negative conductive column 348, and the positive conductive column 349 and the auxiliary conductive column are connected with alternating voltage.
The positive conductive column 349 is provided with a break opening 355, a conductive block 354 is provided inside the break opening 355, the other end of the movable conductive rod 347 is located right below the break opening 355, and when the movable conductive rod 347 moves upward, the movable conductive rod 347 is inserted into the break opening 355 to communicate with the conductive block 354 to form a passage.
A filter screen 30 is arranged in the downwind direction of the condenser tube 26 to prevent uncondensed atomized water vapor and smoke from damaging the negative pressure fan blades 15 and prolong the service life of the negative pressure fan blades 15; in order to ensure that negative pressure can be continuously generated in the air pipe 16 to absorb smoke on a fire scene as much as possible, the filter screen 30 is prevented from being blocked, after the filter screen 30 is blocked, the normal operation of the negative pressure fan blades 15 is influenced, the efficiency of absorbing the smoke by the air pipe 16 is reduced, in order to avoid the situation, when the filter screen 30 is blocked, the ventilation quantity of the filter screen 30 is lower and lower, the negative pressure fan blades 15 continuously rotate to exhaust the air, the air pressure in the air pipe 16 on the right side of the filter screen 30 is gradually reduced, when the air pressure in the air pipe 16 is smaller than a set critical value Q, the pressure plate 346 arranged at the upper end of the air inlet pipe 33 is upwards opened under the action of the negative pressure, the third spring 345 is compressed, after the pressure plate 346 is opened, the air inlet pipe 33 and the air pipe 16 form a passage, the negative pressure fan blades 15 continuously rotate, the air flow of the air inlet pipe 33 flows at a high speed, the fan blades 35 in the air inlet pipe 33 are driven to rotate, the sixth bevel gear 36, the seventh bevel gear 37, the eighth bevel gear 39 and the ninth bevel gear 40 are driven to rotate in the process of the driving shaft 31, the filter screen 30 is wound and collected when the driving shaft 31 rotates, the filter screen 30 slides in the fixed bevel gear 29, and the filter screen 30 is replaced into the fixed bevel gear 29; after the new filter screen 30 is replaced, the air flow passage is continuously formed in the air duct 16, because the air duct 16 is continuously ventilated, the air pressure in the air duct 16 on the right side of the filter screen 30 is relatively increased, and when the air pressure in the air duct 16 is greater than the set critical value Q, the first air pressure is increasedThe three springs 345 rebound to press the pressing plate 346 downwards, so that the pressing plate 346 and the guide hole 342 form a seal, when the air inlet pipe 33 and the air pipe 16 form a break, the air inlet pipe 33 is not under the action of negative pressure, the fan blades 35 stop rotating, and then the driving shaft 31 stops driving the filter screen 30 to rotate, so that the filter screen 30 is stationary. It should be appreciated that the set air pressure threshold value Q in the air duct 16 is related to the pressure of the air duct 16, if the set Q is too large, the negative pressure effect is insufficient to overcome the elastic force F effect of the third spring 345 to open the pressing plate 346, and in order to avoid the above, the threshold value Q is 1/3 (P1-P2) S+F+mg.ltoreq.Q.ltoreq.4/5 (P1-P2) S+F+mg; in the above formula, P1 is the pressure in the air duct 16 when the filter screen 30 is not blocked, and P2 is the pressure in the air duct 16 when the filter screen 30 is blocked, in pascals; s is the area of the via 342, cm 2 The method comprises the steps of carrying out a first treatment on the surface of the F. Q units, newtons.
After the filter screen 30 is replaced, in order to facilitate reuse of the filter screen 30 and save cost, the filter screen 30 which is blocked is automatically cleaned when the filter screen 30 is replaced, and the specific cleaning process is that when the pressure plate 346 is upwards moved and opened under the action of negative pressure, the pressure plate 346 drives the movable conducting rod 347 to upwards move, when the movable conducting rod 347 upwards moves, the other end of the movable conducting rod 347 is inserted into the opening 355 of the positive conducting column 349, the movable conducting rod 347 is communicated with the conducting block 354, the positive conducting column 349, the negative conducting column 348 and the heating coil 350 form a passage, after the passage is formed, the heating coil 350 heats the heat conducting column 351, and meanwhile, the heat conducting column 351 transfers heat to water in the water storage box 352, so that the water is heated, the pressure in the water storage box 352 is increased after the water is boiled, steam is sprayed out of the air nozzle 353, the filter screen 30 is cleaned, fine gaps and holes on the filter screen 30 are cleaned, greasy dirt on the filter screen 30 is stripped, the filter screen is high-efficient, the filter screen is high in drying efficiency, the filter screen is required to be dried, the water-saving material consumption is achieved, and the cost is saved.
The device obtained by the technical scheme is an intelligent security system, can eliminate the dense smoke at the fire position when the fire happens, and provides more escape time; according to the smog concentration of acquireing, combine the smog velocity of flow in the tuber pipe that smog velocity of flow detection module acquireed, can control the real-time velocity of flow of smog in the tuber pipe and the real-time concentration of smog control the water pump in the water tank in real time to the water jet of control atomizer to make water jet and smog concentration and smog velocity of flow assorted, further promote smog removal effect. The negative pressure fan blades rotate along with the fifth bevel gear, negative pressure is formed in the air pipe, the smoke taken after ignition is absorbed into the air pipe, atomization water spraying is carried out for removing, emission of the smoke is greatly reduced, and the atomization nozzle is combined to facilitate complete adsorption of the smoke, so that the smoke removing effect is enhanced. The buffer mechanism is arranged between the piezoelectric sheets to buffer the vibration of the piezoelectric sheets, so that the stability of the vibration of the piezoelectric sheets is improved, when the piezoelectric sheets vibrate, the piezoelectric sheets press the guide rods to shrink into the sleeve, the second springs in the sleeve are compressed, the stability of the vibration of the piezoelectric sheets is improved, the stability of the generated voltage is improved, meanwhile, the damage caused by the overlarge vibration amplitude of the piezoelectric sheets is prevented, or the potential difference generated by the overlarge vibration amplitude of the piezoelectric sheets is too small, and the measurement is inaccurate; through limiting the relation between the thickness of the piezoelectric sheet and the length of the piezoelectric sheet, the elastic modulus of the piezoelectric sheet, the rigidity coefficient of the piezoelectric sheet, the elastic coefficient of the second spring and the maximum extension length, the measurement accuracy is further improved, and the use safety of the piezoelectric sheet is ensured. Through setting up the condenser pipe, effectually condense fog smog to collect through collecting the storehouse, prevent that atomizing steam from gluing and replying on negative pressure fan, cause negative pressure fan operation burden to aggravate, guarantee that negative pressure flabellum influences normal work, promote negative pressure flabellum to smog absorption intensity and absorption rate in the tuber pipe, effectively reduce indoor fire scene's smog, reduce the probability of stifling, provide sufficient time for personnel flee. A filter screen is arranged in the downwind direction of the condensing pipe to prevent uncondensed atomized water vapor and smoke from damaging the negative pressure fan blades, so that the service life of the negative pressure fan blades is prolonged; the smoke on fire scene can be absorbed as much as possible by ensuring that negative pressure can be continuously generated in the air pipe, the filter screen is prevented from being blocked, and after the filter screen is blocked, the normal work of the negative pressure fan blade is influenced, so that the smoke absorption efficiency of the air pipe is reduced. Through setting up wiper mechanism and cleaning the filter screen voluntarily, can wash the intractable dust that glues and reply on the filter screen to clean tiny clearance and hole on the filter screen, peel off the smoke and dust greasy dirt that glues and reply on the filter screen, reach high-efficient, water conservation, clean, dry requirement, increase the rate of taking of filter screen, save material cost.
Other technical solutions not described in detail in the present invention are all prior art in the field, and are not described in detail herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The intelligent security system is characterized by comprising a shell (1), wherein a box body (2) is arranged inside the shell (1), a top plate (3) is arranged inside the box body (2), a paraffin layer (4) is arranged on one side of the top plate (3), a rubber sleeve is wrapped outside the paraffin layer (4), a push rod (5) is connected to the other side of the top plate (3), a first bevel gear (7) is rotationally connected to the other end of the push rod (5), a photoelectric sensor (8) is arranged on the first bevel gear (7), a first spring (6) is arranged on the push rod (5), one end of the first spring (6) is connected with the push rod (5), the other end of the first spring is connected with the inner wall of the box body (2), a second bevel gear (10) and a third bevel gear (11) are arranged on one side of the first bevel gear (7) at intervals, the second bevel gear (10) is connected with a motor (9), and the first bevel gear (7) can be connected with the second bevel gear (10) and the third bevel gear (11) in a meshed mode through the motor (9).
An air pipe (16) is arranged below the box body (2), the third bevel gear is connected with a transmission shaft (12), the transmission shaft (12) penetrates through the wall of the air pipe (16), the other end of the transmission shaft (12) is connected with a fourth bevel gear (13) in a meshed mode, the fourth bevel gear (13) is connected with a first bevel gear in a meshed mode, the fifth bevel gear (14) is connected with a negative pressure fan blade (15) in a driving mode, and the negative pressure fan blade (15) rotates to pump smoke into the air pipe (16);
a smoke flow rate detection unit (17) is arranged in the air pipe (16), the smoke flow rate detection unit (17) detects the smoke flow rate pumped into the air pipe (16), the control unit obtains smoke concentration through data processing of a smoke picture shot by the camera, the water spraying amount of the atomizing nozzle (19) is set by integrating the smoke flow rate and the smoke concentration, smoke is adsorbed and removed through the atomizing nozzle (19), and the collection bin (28) is arranged to collect the adsorbed smoke mixture;
the negative pressure flabellum (15) is equipped with filter screen (30), and filter screen (30) can be rolled up and change, and filter screen (30) filters the smoke and dust, promotes clean effect.
2. The intelligent security system according to claim 1, wherein the smoke flow rate detection unit (17) is arranged at the inlet end of the air duct (16), the smoke flow rate detection unit (17) comprises a rotating blade (171), the rotating blade (171) is rotationally connected with a supporting rod through a rotating shaft arranged, the other end of the supporting rod is fixedly connected with the inner wall of the air duct (16), a rotating frame body (172) is arranged on the periphery of the rotating blade (171), the rotating frame body (172) rotates along with the rotating blade (171), and a plurality of deflector rods (173) are arranged on the periphery of the rotating frame body (172); the outer side of the rotating frame body (172) is provided with an external fixing frame (174), the external fixing frame (174) is fixedly connected with the air pipe (16), the inner side wall of the external fixing frame (174) is provided with a plurality of piezoelectric sheets (175), a buffer mechanism is arranged between the piezoelectric sheets (175) and comprises a sleeve (176), guide rods (178) are slidably arranged at two ends of the sleeve (176), the guide rods (178) are connected with the piezoelectric sheets (175), a second spring (177) is arranged in the sleeve (176), and the second spring (177) is compressed by the guide rods (178); the piezoelectric sheet (175) is connected with a rectifier and a control unit through a wire, and the control unit acquires the potential difference generated by the piezoelectric sheet (175).
3. The intelligent security system according to claim 1, wherein a flow guiding piece (18) is arranged in the air pipe (16), a flow guiding hole is arranged in the flow guiding piece (18), the flow guiding Kong Jie is of a trapezoid structure, one end of the flow guiding hole, which is far away from the smoke flow velocity detection unit (17), is provided with at least one atomizing nozzle (19), the atomizing nozzle (19) is connected with a water guiding line, the other end of the water guiding line is provided with a water tank (20), a miniature water pump is arranged in the water tank (20), and the miniature water pump is connected with the water guiding line.
4. The intelligent security system according to claim 1, wherein a condenser tube (26) is arranged on one side of the flow guide piece (18) far away from the smoke flow rate detection unit (17), a plurality of capillaries (27) are arranged on the surface of the condenser tube (26), a cooling bin (25) is connected above the condenser tube (26), saltpeter is arranged in the cooling bin (25), a liquid guide tube (24) is connected above the cooling bin (25), the other end of the liquid guide tube (24) is connected with a sealing box body (22), a piston plate (23) is arranged in the sealing box body (22), a follower rod (21) is connected on one side of the piston plate (23), and the other end of the follower rod (21) is connected with a push rod (5); the sealing box body (22) is filled with water, the liquid guide pipe (24) is provided with a one-way valve, and the piston plate (23) compresses the water in the sealing box body (22) into the cooling bin (25) through the liquid guide pipe; the collecting bin (28) is arranged right below the condensing pipe (26).
5. The intelligent security system according to claim 4, wherein a filter screen (30) is arranged between the condenser tube (26) and the negative pressure fan blade (15), fixed clamping plates (29) are arranged on two sides of the filter screen (30), the filter screen (30) can slide in the fixed clamping plates (29), and the fixed clamping plates (29) are of a ventilation structure; one end of the filter screen (30) is provided with a driving shaft (31), the driving shaft (31) is arranged below the air pipe (16), the filter screen (30) is wound on the driving shaft (31), the other end of the filter screen (30) is wound on a driven shaft (32), and the driven shaft (32) is arranged above the air pipe (16).
6. The intelligent security system according to claim 5, wherein an air inlet pipe (33) is arranged between the filter screen (30) and the negative pressure fan blade (15), and the air inlet pipe (33) is communicated with the air pipe (16); be equipped with fan blade (35) in intake pipe (33), fan blade (35) are connected with intake pipe (33) inner wall rotation, fan blade (35) drive is connected with sixth bevel gear (36), sixth bevel gear (36) meshing is connected with seventh bevel gear (37), and seventh bevel gear (37) one side is connected with dwang (38), the other end of dwang (38) is connected with eighth bevel gear (39), eighth bevel gear (39) kernel is connected with ninth bevel gear (40), ninth bevel gear (40) and driving shaft (31) fixed connection.
7. The intelligent security system according to claim 5, wherein the filter screen (30) is equipped with wiper mechanism (34), wiper mechanism (34) washs filter screen (30) through steam, and wiper mechanism (34) include baffle (341), be close to the one end of tuber pipe (16) in baffle (341) set up intake pipe (33), be equipped with guide hole (342) on baffle (341), guide hole (342) top is equipped with sealed cowling (343), has seted up through-hole (344) on sealed cowling (343), sealed cowling (343) inside is equipped with at least one third spring (345), the one end and the sealed cowling (343) of third spring (345) are connected, and the third spring (345) other end is connected with clamp plate (346), clamp plate (346) can with guide hole (342) seal crimping, the opposite side of clamp plate (346) is connected with removal conducting rod (347), and removal conducting rod (347) are "U" type structure.
8. The intelligent security system of claim 7, wherein the cleaning mechanism further comprises a water storage box (352), the water storage box (352) is provided with an air jet (353), the air jet is arranged towards the filter screen (30), a heat conducting column (351) is arranged inside the water storage box (352), the other end of the heat conducting column (351) extends to the outside of the water storage box (352), the heat conducting column (351) is provided with a heating coil (350), one end of the heating coil (350) is connected with a positive conducting column (349), the other end of the heating coil (350) is connected with a negative conducting column (348), and the positive conducting column (349) and the auxiliary conducting column are connected with alternating voltages.
9. The intelligent security system of claim 8, wherein the positive conductive column (349) is provided with a break opening (355), a conductive block (354) is disposed on the inner side of the break opening (355), the other end of the movable conductive rod (347) is located under the break opening (355), and when the movable conductive rod (347) moves upwards, the movable conductive rod (347) is inserted into the break opening (355) and is communicated with the conductive block (354) to form a passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310606710.8A CN116597600A (en) | 2023-05-26 | 2023-05-26 | Intelligent security system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310606710.8A CN116597600A (en) | 2023-05-26 | 2023-05-26 | Intelligent security system |
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| CN116597600A true CN116597600A (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310606710.8A Pending CN116597600A (en) | 2023-05-26 | 2023-05-26 | Intelligent security system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169102A (en) * | 2023-11-03 | 2023-12-05 | 鑫泽晟科技有限公司 | Coating performance detection device |
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2023
- 2023-05-26 CN CN202310606710.8A patent/CN116597600A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117169102A (en) * | 2023-11-03 | 2023-12-05 | 鑫泽晟科技有限公司 | Coating performance detection device |
| CN117169102B (en) * | 2023-11-03 | 2024-02-27 | 鑫泽晟科技有限公司 | Coating performance detection device |
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