CN113932354B - Fresh air and exhaust integrated air purification and sterilization system - Google Patents
Fresh air and exhaust integrated air purification and sterilization system Download PDFInfo
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- CN113932354B CN113932354B CN202111191831.8A CN202111191831A CN113932354B CN 113932354 B CN113932354 B CN 113932354B CN 202111191831 A CN202111191831 A CN 202111191831A CN 113932354 B CN113932354 B CN 113932354B
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- air outlet
- outlet pipe
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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
- 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
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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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
- F24F8/90—Cleaning of purification apparatus
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application relates to a fresh air and exhaust integrated air purification and disinfection system, which belongs to the field of air purification and comprises an exhaust pump and an air outlet pipe fixedly connected with an air outlet of the exhaust pump; a filter screen is fixed on the inner peripheral surface of the air outlet pipe; a motor is fixed on the top surface of the air outlet pipe, a threaded shaft is fixed at the output end of the motor, and a cleaning brush is connected in the air outlet pipe in a sliding manner along the vertical direction; the cleaning brush is in threaded connection with the threaded shaft, and the brush hair part of the cleaning brush is abutted against the filter screen; an upper cover plate is rotationally connected in the air outlet pipe; an electrifying system used for supplying power to the motor is arranged between the upper cover plate and the motor. This application has the effect of being convenient for clear up the interior filter screen of air outlet.
Description
Technical Field
The application relates to the field of air purification, in particular to a fresh air and exhaust integrated air purification and sterilization system.
Background
At present, an air purification unit is a device which has a certain capacity of removing one or more pollutants such as particulate matters, gaseous pollutants, microorganisms and the like in air.
The related technology can refer to the Chinese utility model patent with the publication number of CN212457198U, which discloses a fresh air and exhaust integrated air purification and sterilization system, comprising a treatment cavity, wherein the treatment cavity is provided with an air return inlet, a fresh air inlet, an air supply outlet, an exhaust inlet and an exhaust outlet; outdoor air passing through the fresh air inlet and indoor air passing through the return air inlet enter the room from the air supply outlet after passing through the first purification and disinfection component, and the indoor air is exhausted to the outside from the air exhaust outlet after passing through the second purification and disinfection component at the air exhaust inlet; the fresh air inlet, the first channel from the return air inlet to the air supply inlet and the second channel from the air exhaust inlet to the air exhaust outlet are respectively provided with an air driving device; the wind dispelling device comprises a driving mechanism and two fans which are coaxially arranged and located in different channels, the two fans are connected through a main shaft, and the main shaft is connected with the driving mechanism.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the filtering function of the purifying unit is usually realized through a filter screen, and when the surface area of the filter screen is accumulated with more dust, airflow can be blocked from passing through the filter screen, so that the air speed of an air outlet is reduced; however, the air outlet pipe is generally arranged at a high position, and when the air speed is reduced, the filter screen in the air outlet is not convenient to disassemble and clean.
Disclosure of Invention
When reducing in order to improve the wind speed, be not convenient for dismantle the problem of clearance to the filter screen in the air outlet, this application provides the integral type air purification that new trend was aired exhaust and is removed the bacterial poison system.
The application provides a new trend integral type air purification degerming poison system of airing exhaust adopts following technical scheme:
the fresh air and exhaust integrated air purification and disinfection system comprises an exhaust pump and an air outlet pipe fixedly connected with an air outlet of the exhaust pump; a filter screen is fixed on the inner peripheral surface of the air outlet pipe; a motor is fixed on the top surface of the air outlet pipe, a threaded shaft is fixed at the output end of the motor, and a cleaning brush is connected in the air outlet pipe in a sliding manner along the vertical direction; the cleaning brush is in threaded connection with the threaded shaft, and the brush hair part of the cleaning brush is abutted against the filter screen; an upper cover plate is rotationally connected in the air outlet pipe; and an electrifying system for supplying power to the motor is arranged between the upper cover plate and the motor.
Through adopting above-mentioned technical scheme, the motor drives the threaded shaft and rotates the back, and the threaded shaft drives the cleaning brush and reciprocates, brush hair portion and filter screen butt through the cleaning brush to clean the filter screen, thereby reduce the filter screen surface and pile up the possibility that too much dust hinders the air flow.
Optionally, the power-on system includes a sliding plate connected with the air outlet pipe in a sliding manner along the vertical direction; a connecting groove is formed in the top wall of the air outlet pipe; a first fixed sheet is fixed on the inner bottom wall of the connecting groove, and a first movable sheet which is used for being in electric contact with the first fixed sheet is fixed on the bottom surface of the sliding plate; the stator I is electrically connected with the motor; a first power supply is embedded in the top wall of the air outlet pipe, and the first moving plate is electrically connected with the first power supply; and a moving mechanism for driving the sliding plate to move downwards is arranged in the top wall of the air outlet pipe.
By adopting the technical scheme, the sliding plate is pushed to move downwards, the first fixed piece can be in electrical contact with the first movable piece, the purpose that the first power supply supplies power to the motor is achieved, the possibility that the motor is always in a working state is reduced, and electric energy is saved conveniently.
Optionally, a positioning piece is fixed on one side of the sliding plate close to the air exhaust pump, a positioning groove is formed in one side of the connecting groove close to the air exhaust pump, and the positioning piece is connected with the air outlet pipe in a sliding manner along the vertical direction through the positioning groove; and a return spring is fixed at the bottom of the positioning sheet, and the bottom end of the return spring is fixedly connected with the air outlet pipe through a positioning groove.
Through adopting above-mentioned technical scheme, reset spring exerts ascending elasticity for the slide plate, and the slide plate of being convenient for upwards resets to make stator one and rotor one separate, the motor stop work of being convenient for.
Optionally, the moving mechanism includes an electromagnet fixed inside the inner wall of the air outlet pipe, the inner wall of the air outlet pipe is provided with a first chute, and the electromagnet is fixedly connected with the side wall of the first chute, which is far away from the side of the air exhaust pump; the air outlet pipe is connected with a magnetic suction plate which is used for being magnetically adsorbed with the electromagnet in a sliding mode along the length direction of the air outlet pipe through a first sliding groove; an electric power assembly for supplying power to the electromagnet is arranged in the inner wall of the air outlet pipe; the air exhaust pump is characterized in that one side, away from the air exhaust pump, of the sliding plate is provided with a slot used for being connected with the magnetic suction plate in an inserting mode, the bottom surface, close to one side of the slot, of the magnetic suction plate is provided with a first chamfer, and the bottom surface of the slot is provided with a second chamfer used for being connected with the first chamfer in an abutting mode.
By adopting the technical scheme, the magnetic suction plate is inserted into the sliding plate through the slot and downwards abuts against the sliding plate through the chamfer, so that the sliding plate is pushed to downwards move, and the first stator plate is electrically contacted with the first rotor plate; when the electromagnet works, the electromagnet adsorbs the magnetic attraction plate to separate the magnetic attraction plate from the sliding plate, so that the first stator plate is separated from the first rotor plate conveniently, and the purpose of stopping the motor is achieved.
Optionally, a guide piece is fixed at the top of the magnetic attraction plate, a first guide groove is formed in the top surface of the first sliding groove, and the guide piece is connected with the air outlet pipe in a sliding manner along the length direction of the air outlet pipe through the first guide groove; and one end of the first spring, which is far away from the guide plate, is fixedly connected with the air outlet pipe through the first guide groove.
Through adopting above-mentioned technical scheme, spring one provides the elasticity that resets to keeping away from electro-magnet one side for magnetism suction disc, and the magnetism suction disc of being convenient for is pegged graft with the slide plate to be convenient for promote the slide plate and move down.
Optionally, the power assembly includes a butting piece fixed at the top of the upper cover plate, a second chute is formed in the air outlet pipe, the air outlet pipe is connected with a sliding piece in a sliding manner along the length direction of the air outlet pipe through the second chute, a first inclined surface is formed on the bottom surface of the butting piece, which is close to one side of the sliding piece, a second inclined surface is formed on the top surface of the sliding piece, which is close to one side of the butting piece, and the butting piece is butted with the second inclined surface of the sliding piece through the first inclined surface; a switch stator is fixed on the side wall of the second sliding chute close to one side of the exhaust pump, and a switch rotor for electrically contacting with the switch stator is fixed on the side of the sliding sheet close to the exhaust pump; and a second power supply is embedded in the air outlet pipe, the second power supply is electrically connected with the switch moving piece, and the electromagnet is electrically connected with the switch fixed piece.
Through adopting above-mentioned technical scheme, when the upper cover plate upwards overturned under the effect of wind power, butt piece and slide piece contact to promote the slide piece and remove, remove through the slide piece and make switch rotor and switch stator electrical contact, thereby make power two switch on with the electro-magnet, the pump of being convenient for exhaust is when normal operating, and the electro-magnet maintains the on-state. Through setting up the upper cover plate, be convenient for adjust the operating condition of motor through the state of turning of upper cover plate.
Optionally, a guide block is fixed at the top of the sliding sheet, a second guide groove is formed in the top surface of the second sliding groove, and the guide block is connected with the air outlet pipe in a sliding manner along the length direction of the air outlet pipe through the second guide groove; and a second spring is fixed on one side of the guide block, which is far away from the abutting sheet, and one end of the second spring, which is far away from the guide block, is fixedly connected with the air outlet pipe through a second guide groove.
Through adopting above-mentioned technical scheme, spring two provides the elasticity to being close to upper cover plate one side for the slider, and the upper cover plate of being convenient for separates the back with the slider, and the slider can reset to being close to upper cover plate one side.
Optionally, a power assembly for supplying power to the exhaust pump is arranged in the top wall of the air outlet pipe, the power assembly comprises a second stator fixed on the inner top wall of the connecting groove, a second rotor for electrically contacting with the second stator is fixed on the top surface of the sliding plate, and the second stator is electrically connected with the exhaust pump.
By adopting the technical scheme, when the sliding plate moves upwards under the action of the spring I, the fixed plate II is electrically contacted with the movable plate II, so that the exhaust pump works normally; when the motor is convenient to filter the filter screen, the exhaust pump is in a shutdown state, and the use efficiency of the motor is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the motor drives the threaded shaft to rotate, the threaded shaft drives the cleaning brush to move up and down, the brush hair part of the cleaning brush is abutted against the filter screen, so that the filter screen is cleaned, and the possibility that the air flow is blocked due to excessive dust accumulated on the surface of the filter screen is reduced;
2. the first fixed piece can be electrically contacted with the first movable piece by pushing the sliding plate to move downwards, so that the purpose that the first power supply supplies power to the motor is achieved, the possibility that the motor is always in a working state is reduced, and electric energy is saved;
3. when the upper cover plate overturns upwards under the action of wind force, the abutting sheet is in contact with the sliding sheet and pushes the sliding sheet to move, the switch moving sheet is in electrical contact with the switch fixed sheet through the movement of the sliding sheet, so that the power supply II is conducted with the electromagnet, and the electromagnet is maintained in a conducting state when the exhaust pump works normally. Through setting up the upper cover plate, be convenient for adjust the operating condition of motor through the state of stirring of upper cover plate.
Drawings
Fig. 1 is a schematic structural diagram of an air exhaust pump and an air outlet pipe according to an embodiment of the present application.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 2.
Fig. 4 is an enlarged schematic view at C in fig. 2.
Fig. 5 is a partial sectional view of an outlet duct according to an embodiment of the present application.
Reference numerals: 1. an exhaust pump; 11. filtering with a screen; 12. a second moving plate; 13. positioning plates; 14. positioning a groove; 15. a return spring; 16. a first power supply; 2. an air outlet pipe; 21. a switch stator; 22. a switch moving plate; 23. a second power supply; 24. a first sliding chute; 25. connecting grooves; 26. a slide plate; 27. fixing a second plate; 28. fixing a first plate; 3. a motor; 31. a threaded shaft; 32. a cleaning brush; 33. a slot; 34. chamfering I; 35. chamfering II; 4. an upper cover plate; 41. abutting the sheet; 42. accommodating grooves; 43. a second chute; 44. a slide sheet; 45. a first inclined plane; 46. a second inclined plane; 47. a guide block; 48. a second guide groove; 49. a second spring; 5. an electromagnet; 51. a magnetic attraction plate; 52. a guide piece; 53. a first guide groove; 54. a first spring; 55. a first moving plate; 56. a lower cover plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses fresh air and exhaust integrated air purification and sterilization system. Referring to fig. 1 and 2, the fresh air and exhaust integrated air purification and sterilization system comprises an exhaust pump 1 and an air outlet pipe 2 fixedly connected with an air outlet of the exhaust pump 1; the air exhausting pump 1 exhausts the outdoor air into the room through the air outlet pipe 2. A filter screen 11 is fixed on the inner circumferential surface of the air outlet pipe 2; in the air draft process of the air exhaust pump 1, the filter screen 11 filters the sucked air flow, so that particle impurities in the air flow can be filtered conveniently. The top surface of the air outlet pipe 2 is fixed with a motor 3; the output of motor 3 is fixed with threaded shaft 31, and threaded shaft 31 runs through out the setting of tuber pipe 2, and threaded shaft 31 bottom is connected with the interior bottom surface rotation of tuber pipe 2. The inside of the air outlet pipe 2 is connected with a cleaning brush 32 along the vertical direction in a sliding way; the cleaning brush 32 is in threaded connection with the threaded shaft 31, and the bristle part of the cleaning brush 32 is abutted against one side, close to the air outlet pipe 2, of the filter screen 11; when the filter screen 11 continues to filter, the particles will block the filter holes on the surface of the filter screen 11, thereby slowing down the air flow through the exhaust duct. An upper cover plate 4 is rotationally connected in the air outlet pipe 2; the upper cover plate 4 is positioned at one end of the air outlet pipe 2 far away from the exhaust pump 1, and two sides of the upper cover plate 4 are respectively and rotatably connected with the inner side wall of the air outlet pipe 2; in the flowing process of the air flow in the air outlet pipe 2, the air flow can apply pressure to the upper cover plate 4 and push the upper cover plate 4 to rotate towards the side far away from the air exhaust pump 1. The bottom of the air outlet pipe 2 far away from one end of the air exhaust pump 1 is hinged with a lower cover plate 56.
Referring to fig. 2 and 3, the top of the upper cover plate 4 is fixed with a contact piece 41, and the top surface in the air outlet pipe 2 is provided with a receiving groove 42 for rotatably connecting with the contact piece 41. The lateral wall that holding tank 42 is close to one side of exhaust pump 1 has seted up two 43 of spout, goes out tuber pipe 2 and is connected with the slide 44 through two 43 of spout along self length direction slides, and the bottom surface that butt piece 41 is close to one side of slide 44 has seted up inclined plane one 45, and the top surface that slide 44 is close to butt piece 41 one side has seted up inclined plane two 46, and butt piece 41 passes through inclined plane one 45 and the inclined plane two 46 butt of slide 44. A guide block 47 is fixed at the top of the sliding sheet 44, a second guide groove 48 is formed in the top surface of the second sliding groove 43, and the guide block 47 is connected with the air outlet pipe 2 in a sliding manner along the length direction of the air outlet pipe 2 through the second guide groove 48; the second guiding groove 48 provides a guiding function for the guiding block 47 along the length direction of the air outlet pipe 2. A second spring 49 is fixed on one side of the guide block 47, which is far away from the abutting piece 41, and one end of the second spring 49, which is far away from the guide block 47, is fixedly connected with the air outlet pipe 2 through a second guide groove 48; the second spring 49 applies an elastic force to the guide block 47 to return to the side close to the upper cover 4. The side wall of the second sliding groove 43 close to the side of the exhaust pump 1 is fixed with a switch stator 21, and the side of the sliding sheet 44 close to the side of the exhaust pump 1 is fixed with a switch rotor 22 for electrically contacting with the switch stator 21. A second power supply 23 is embedded in the air outlet pipe 2, in the embodiment, the second power supply 23 is positioned above the second sliding groove 43, and the second power supply 23 is electrically connected with the switch moving piece 22; when the air flow velocity in the air outlet pipe 2 is large, the upper cover plate 4 is in an upward-turning state, the upper cover plate 4 presses the sliding sheet 44 through the abutting sheet 41, and at the moment, the switch stator sheet 21 and the switch rotor sheet 22 are in an electrical contact state.
Referring to fig. 3 and 4, the inner wall of the air outlet pipe 2 is provided with a first sliding groove 24, and the first sliding groove 24 is located on the side of the second sliding groove 43 close to the exhaust pump 1. An electromagnet 5 is fixed on the side wall of the first sliding groove 24 far away from the side of the exhaust pump 1, and the electromagnet 5 is electrically connected with the switch stator 21; when the switch stator 21 is electrically contacted with the switch rotor 22, the electromagnet 5 is in a conducting state. The air outlet pipe 2 is connected with a magnetic suction plate 51 which is used for magnetic suction with the electromagnet 5 in a sliding way along the length direction of the air outlet pipe through a first chute 24; the electromagnet 5 is switched on to attract the magnetic attraction plate 51, and the magnetic attraction plate 51 is located in the first sliding groove 24 and close to one side of the upper cover plate 4. The top of the magnetic suction plate 51 is fixed with a guide sheet 52, the top surface of the first sliding groove 24 is provided with a first guide groove 53, and the guide sheet 52 is connected with the air outlet pipe 2 in a sliding manner along the length direction of the air outlet pipe 2 through the first guide groove 53. A first spring 54 is fixed on one side of the guide sheet 52 close to the exhaust pump 1, and one end of the first spring 54 far away from the guide sheet 52 is fixedly connected with the air outlet pipe 2 through a first guide groove 53; the first spring 54 applies a pulling force to the magnetic attraction plate 51 towards the side far away from the upper cover plate 4, so as to drive the magnetic attraction plate 51 to return towards the side far away from the upper cover plate 4.
Referring to fig. 4 and 5, a connecting groove 25 communicated with the first sliding groove 24 is vertically formed in the top wall of the air outlet pipe 2; the connecting groove 25 is positioned on one side of the first sliding groove 24 close to the exhaust air pump 1. The air outlet pipe 2 is connected with a sliding plate 26 through a connecting groove 25 in a sliding manner along the vertical direction; a second fixed plate 27 is fixed on the inner top wall of the connecting groove 25, a first fixed plate 28 is fixed on the inner bottom wall of the connecting groove 25, a second movable plate 12 for electrically contacting with the second fixed plate 27 is fixed on the top surface of the sliding plate 26, and a first movable plate 55 for electrically contacting with the first fixed plate 28 is fixed on the bottom surface of the sliding plate 26. The second stator 27 is electrically connected with the exhaust pump 1; the stator plate one 28 is electrically connected with the motor 3. A first power supply 16 is embedded in the top wall of the air outlet pipe 2, and the second moving plate 12 and the first moving plate 55 are electrically connected with the first power supply 16; when the sliding plate 26 moves upwards, the second moving plate 12 is electrically contacted with the second fixed plate 27, the motor 3 and the first power supply 16 are in a conducting state, and the power supply supplies power to the exhaust pump 1; when the sliding plate 26 moves downwards, the first moving piece 55 is in electrical contact with the first fixed piece 28, the exhaust pump 1 is in a conducting state with a power supply, and the motor 3 works and drives the cleaning brush 32 to move vertically. The side of the sliding plate 26 close to the exhaust pump 1 is fixed with a positioning sheet 13, the side of the connecting groove 25 close to the exhaust pump 1 is provided with a positioning groove 14, and the positioning sheet 13 is connected with the air outlet pipe 2 in a sliding manner along the vertical direction through the positioning groove 14. A return spring 15 is fixed at the bottom of the positioning sheet 13, and the bottom end of the return spring 15 is fixedly connected with the air outlet pipe 2 through a positioning groove 14; the return spring 15 provides an upward return elastic force to the positioning plate 13.
Referring to fig. 4, a slot 33 for being inserted into the magnetic attraction plate 51 is formed in one side of the sliding plate 26, which is away from the exhaust pump 1, a first chamfer 34 is formed in the bottom surface of the magnetic attraction plate 51, which is close to the slot 33, and a second chamfer 35 for abutting against the first chamfer 34 is formed in the bottom surface of the slot 33; when the electromagnet 5 is powered off, the magnetic attraction plate 51 is positioned at one side of the first sliding groove 24 close to the first power supply 16, and the magnetic attraction plate 51 is abutted with the slot 33 of the sliding plate 26, so that the sliding plate 26 moves downwards.
The implementation principle of the fresh air exhaust integrated air purification and sterilization system in the embodiment of the application is as follows:
when the exhaust pump 1 is in a working state, the exhaust pump 1 and the first power supply 16 are in a conducting state. At this time, the first moving piece 55 contacts the first fixed piece 28, and the magnetic attraction plate 51 contacts the first moving piece 55.
After more dust is piled up on the surface of the filter screen 11, the flow speed in the air outlet pipe 2 is reduced, the upper cover plate 4 rotates downwards, and the sliding sheet 44 resets towards one side close to the upper cover plate 4. At the moment, the switch stator 21 is separated from the switch rotor 22, so that the electromagnet 5 is powered off; the magnetic attraction plate 51 is reset to the side far away from the upper cover plate 4 under the action of the elastic force. The magnetic attraction plate 51 abuts against the slide plate 26 through the insertion slot 33 and pushes the slide plate 26 to move downward. The sliding plate 26 contacts with the stator plate one 28 during the moving process, so that the motor 3 is conducted with the power supply one 16.
After the motor 3 is switched on, the threaded shaft 31 is driven to rotate, and the threaded shaft 31 drives the cleaning brush 32 to move vertically.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The fresh air and exhaust integrated air purification and disinfection system comprises an exhaust pump (1) and an air outlet pipe (2) fixedly connected with an air outlet of the exhaust pump (1); a filter screen (11) is fixed on the inner peripheral surface of the air outlet pipe (2); go out tuber pipe (2) top surface and be fixed with motor (3), its characterized in that: a threaded shaft (31) is fixed at the output end of the motor (3), and a cleaning brush (32) is connected in the air outlet pipe (2) in a sliding manner along the vertical direction; the cleaning brush (32) is in threaded connection with the threaded shaft (31), and the bristle part of the cleaning brush (32) is abutted against the filter screen (11); an upper cover plate (4) is rotationally connected with the air outlet pipe (2); an electrifying system used for supplying power to the motor (3) is arranged between the upper cover plate (4) and the motor (3);
when the exhaust pump (1) is in a working state, the exhaust pump (1) and the first power supply (16) are in a conducting state; at the moment, the first moving piece (55) is contacted with the first fixed piece (28), and the magnetic attraction plate (51) is abutted with the first moving piece (55);
when more dust is accumulated on the surface of the filter screen (11), the flow velocity in the air outlet pipe (2) is reduced, the upper cover plate (4) rotates downwards, and the sliding sheet (44) resets towards one side close to the upper cover plate (4); at the moment, the switch fixed sheet (21) is separated from the switch movable sheet (22), so that the electromagnet (5) is powered off; the magnetic suction plate (51) is reset to the side far away from the upper cover plate (4) under the action of elasticity; the magnetic suction plate (51) is abutted against the sliding plate (26) through the slot (33) and pushes the sliding plate (26) to move downwards; the sliding plate (26) is contacted with the stator I (28) in the moving process, so that the motor (3) is conducted with the power supply I (16);
after the motor (3) is switched on, the threaded shaft (31) is driven to rotate, and the threaded shaft (31) drives the cleaning brush (32) to move vertically;
the power-on system comprises a sliding plate (26) which is connected with the air outlet pipe (2) in a sliding manner along the vertical direction; a connecting groove (25) is formed in the top wall of the air outlet pipe (2); a first fixed piece (28) is fixed on the inner bottom wall of the connecting groove (25), and a first moving piece (55) used for being in electric contact with the first fixed piece (28) is fixed on the bottom surface of the sliding plate (26); the stator plate I (28) is electrically connected with the motor (3); a first power supply (16) is embedded in the top wall of the air outlet pipe (2), and the first moving plate (55) is electrically connected with the first power supply (16); a moving mechanism for driving the sliding plate (26) to move downwards is arranged in the top wall of the air outlet pipe (2);
the moving mechanism comprises an electromagnet (5) fixed in the inner wall of the air outlet pipe (2), a first sliding groove (24) is formed in the inner wall of the air outlet pipe (2), and the electromagnet (5) is fixedly connected with the side wall of one side, far away from the exhaust pump (1), of the first sliding groove (24); the air outlet pipe (2) is connected with a magnetic attraction plate (51) which is used for magnetic attraction with the electromagnet (5) in a sliding manner along the length direction of the air outlet pipe through a sliding groove I (24); an electric power assembly for supplying power to the electromagnet (5) is arranged in the inner wall of the air outlet pipe (2); the air exhaust pump is characterized in that one side, far away from the air exhaust pump (1), of the sliding plate (26) is provided with a slot (33) used for being connected with the magnetic suction plate (51) in an inserting mode, the bottom surface, close to one side of the slot (33), of the magnetic suction plate (51) is provided with a first chamfer (34), and the bottom surface of the slot (33) is provided with a second chamfer (35) used for being connected with the first chamfer (34) in an abutting mode.
2. The fresh air and exhaust integrated air purification and sterilization system according to claim 1, characterized in that: a positioning sheet (13) is fixed on one side of the sliding plate (26) close to the exhaust pump (1), a positioning groove (14) is formed in one side of the connecting groove (25) close to the exhaust pump (1), and the positioning sheet (13) is connected with the air outlet pipe (2) in a sliding mode in the vertical direction through the positioning groove (14); the bottom of the positioning sheet (13) is fixed with a return spring (15), and the bottom end of the return spring (15) is fixedly connected with the air outlet pipe (2) through a positioning groove (14).
3. The fresh air and exhaust integrated air purification and sterilization system according to claim 1, characterized in that: a guide sheet (52) is fixed at the top of the magnetic suction plate (51), a first guide groove (53) is formed in the top surface of the first sliding groove (24), and the guide sheet (52) is connected with the air outlet pipe (2) in a sliding mode along the length direction of the air outlet pipe (2) through the first guide groove (53); one side of the guide sheet (52) close to the exhaust pump (1) is fixedly provided with a first spring (54), and one end of the first spring (54) far away from the guide sheet (52) is fixedly connected with the air outlet pipe (2) through a first guide groove (53).
4. The fresh air and exhaust integrated air purification and sterilization system according to claim 1, characterized in that: the electric power assembly comprises a butting piece (41) fixed at the top of the upper cover plate (4), a second sliding groove (43) is formed in the air outlet pipe (2), the air outlet pipe (2) is connected with a sliding piece (44) in a sliding mode along the length direction of the sliding piece through the second sliding groove (43), a first inclined plane (45) is formed in the bottom surface, close to one side of the sliding piece (44), of the butting piece (41), a second inclined plane (46) is formed in the top surface, close to one side of the butting piece (41), of the sliding piece (44), and the butting piece (41) is butted with the second inclined plane (46) of the sliding piece (44) through the first inclined plane (45); a switch stator (21) is fixed on the side wall of the second sliding chute (43) close to one side of the exhaust pump (1), and a switch moving plate (22) which is used for being in electric contact with the switch stator (21) is fixed on one side of the sliding plate (44) close to the exhaust pump (1); the air outlet pipe (2) is embedded with a second power supply (23), the second power supply (23) is electrically connected with the switch moving sheet (22), and the electromagnet (5) is electrically connected with the switch fixed sheet (21).
5. The fresh air and exhaust integrated air purification and sterilization system according to claim 4, characterized in that: a guide block (47) is fixed at the top of the sliding sheet (44), a second guide groove (48) is formed in the top surface of the second sliding groove (43), and the guide block (47) is connected with the air outlet pipe (2) in a sliding mode along the length direction of the air outlet pipe (2) through the second guide groove (48); and a second spring (49) is fixed on one side of the guide block (47) far away from the abutting piece (41), and the second spring (49) is far away from one end of the guide block (47) and is fixedly connected with the air outlet pipe (2) through a second guide groove (48).
6. The fresh air and exhaust integrated air purification and sterilization system according to claim 4, characterized in that: the air-out pipe (2) is provided with a power component for supplying power to the air exhaust pump (1) in the top wall, the power component comprises a stator plate II (27) fixed on the inner top wall of the connecting groove (25), the top surface of the sliding plate (26) is fixed with a rotor plate II (12) used for being in electrical contact with the stator plate II (27), and the stator plate II (27) is electrically connected with the air exhaust pump (1).
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| CN202111191831.8A CN113932354B (en) | 2021-10-13 | 2021-10-13 | Fresh air and exhaust integrated air purification and sterilization system |
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| CN202111191831.8A CN113932354B (en) | 2021-10-13 | 2021-10-13 | Fresh air and exhaust integrated air purification and sterilization system |
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| CN114856789B (en) * | 2022-04-28 | 2023-06-16 | 昆山吉山会津塑料工业股份有限公司 | High temperature resistant cooling fan assembly |
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| CN113932354A (en) | 2022-01-14 |
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