CN216350632U - Mutual-compensation multi-dimensional air quality detection device - Google Patents
Mutual-compensation multi-dimensional air quality detection device Download PDFInfo
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- CN216350632U CN216350632U CN202123067062.9U CN202123067062U CN216350632U CN 216350632 U CN216350632 U CN 216350632U CN 202123067062 U CN202123067062 U CN 202123067062U CN 216350632 U CN216350632 U CN 216350632U
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Abstract
A mutually compensated multidimensional air quality detection device relates to the technical field of air detection and comprises a fixed plate, a shell, a bottom plate, a filter screen, an air pipe, a connecting pipe, a circuit board, a power supply, a single chip microcomputer and an air detection device, wherein the shell and the circuit board are arranged on the fixed plate; the utility model has strong practicability and very convenient use, can integrate various integrated sensors, and improves the consistency and the accuracy; and the application fields are rich, and the product can be combined with a large number of products to avoid repeated investment.
Description
Technical Field
The utility model relates to the technical field of air detection, in particular to a mutual compensation multi-dimensional air quality detection device.
[ background of the utility model ]
It is known that the air in a room just finished is often polluted by: PM2.5 particulate matter, VOC organic volatile matter, xylene, harmful substance such as formaldehyde that the suspension is in, traditional detection means is more single, temperature and humidity tester, the VOC tester, formaldehyde tester and PM2.5 tester etc. and the MEMS sensor of VOC tester, the send-receiver optical device of PM2.5 tester, temperature and alcohol have cross characteristic to formaldehyde tester electrochemical sensor, lead to inaccurate or the malfunction of test result, if detect one by one with independent instrument, need a large amount of investments, cause great economic burden.
[ Utility model ] content
In order to overcome the defects in the background art, the utility model discloses a mutually compensated multidimensional air quality detection device.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a multidimension degree air quality detection device of mutual compensation, includes fixed plate, casing, bottom plate, filter screen, trachea, connecting pipe, circuit board, power, singlechip and empty gas detection survey device, is equipped with casing and circuit board on the fixed plate, is equipped with power, singlechip and empty gas detection survey device on the circuit board, is equipped with the bottom plate on the casing, is equipped with filter screen, trachea and connecting pipe on the bottom plate.
The fixing plate is of a rectangular structure, fixing holes are formed in four corners of the fixing plate and penetrate through the upper surface and the lower surface of the fixing plate, a shell and a circuit board are arranged on the lower surface of the fixing plate, the shell is of a hollow rectangular structure, the upper surface of the shell is connected with the lower surface of the fixing plate, the circuit board is arranged in the shell, an air exhaust hole and a wiring hole are formed in the side surface of the shell, and a bottom plate is arranged on the lower surface of the shell.
The upper surface of the circuit board is connected with the lower surface of the fixing plate, the lower surface of the circuit board is provided with a power supply, a single chip microcomputer and an air detection device, the single chip microcomputer is attached to the circuit board, and the power supply and the air detection device are arranged around the single chip microcomputer.
The power supply is composed of an external socket and an anti-reverse MOS tube, the external socket is installed on the circuit board, the anti-reverse MOS tube is attached to the circuit board, the anti-reverse MOS tube is used for protecting the circuit board, the single chip microcomputer and the air detection device, a 5V filter and a state indicator lamp are arranged beside the external socket, and the 5V filter and the state indicator lamp are attached to the circuit board.
Air detection surveys device comprises PM2.5 sensor, soft winding displacement, temperature and humidity sensor chip, electrochemistry formaldehyde sensor and VOC sensor, and PM2.5 sensor, soft winding displacement, temperature and humidity sensor chip, electrochemistry formaldehyde sensor and VOC sensor all set up on the circuit board, and the PM2.5 sensor glues on the circuit board, and the PM2.5 sensor passes through soft winding displacement intercommunication with the circuit board, and the PM2.5 sensor is equipped with the PM2.5 ventilation hole.
The temperature and humidity sensor chip is attached to the circuit board, and thermal separation grooves are formed in the circuit board around the temperature and humidity sensor chip.
The electrochemical formaldehyde sensor is attached to the circuit board, an induction window is arranged in the center of the electrochemical formaldehyde sensor, and the diameter of the induction window is 8 mm.
The VOC sensor is attached to the circuit board and provided with a plurality of air holes.
The upper portion face of bottom plate is connected with the lower part face of casing, be equipped with the connecting hole on the bottom plate, the connecting hole runs through the upper portion face and the lower part face of bottom plate, be equipped with the filter screen on the inner wall of connecting hole, the connecting hole sets up under PM2.5 ventilation hole, be equipped with the trachea between connecting hole and the PM2.5 ventilation hole, tracheal lower part face is connected with the upper portion face of bottom plate, the other at least one perforation that is equipped with of connecting hole, each perforation structure is the same, the perforation runs through the upper portion face and the lower part face of bottom plate, be equipped with the filter screen on the fenestrate inner wall, the perforation corresponds the setting with empty gas detection survey device's chip, each perforation top all is equipped with the connecting pipe, the lower part face of connecting pipe is connected with the upper portion face of bottom plate.
The utility model relates to a mutually compensated multidimensional air quality detection device, which comprises a fixed plate, a shell, a bottom plate, a filter screen, an air pipe, a connecting pipe, a circuit board, a power supply, a single chip microcomputer and an air detection device, wherein the shell and the circuit board are arranged on the fixed plate, the power supply, the single chip microcomputer and the air detection device are arranged on the circuit board, the bottom plate is arranged on the shell, and the filter screen, the air pipe and the connecting pipe are arranged on the bottom plate, so that the aim of improving the test precision of each detection parameter of the detection device is fulfilled; the utility model has strong practicability and very convenient use, can integrate various integrated sensors, and improves the consistency and the accuracy; and the application fields are rich, and the product can be combined with a large number of products to avoid repeated investment.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the connection of the bottom plate, the filter screen, the air tube and the connecting tube;
FIG. 3 is a schematic diagram of the connection of the circuit board, the power supply, the single chip microcomputer and the air detection device;
FIG. 4 is a circuit diagram of the present invention;
FIG. 5 is a software flow diagram of the present invention;
in the figure: 1. a fixing plate; 2. a housing; 3. a base plate; 4. a fixing hole; 5. an air exhaust hole; 6. a wiring hole; 7. connecting holes; 8. perforating; 9. filtering with a screen; 10. an air tube; 11. a connecting pipe; 12. a circuit board; 13. an external socket; 14. an anti-reverse MOS tube; 15. a 5V filter; 16. a PM2.5 sensor; 17. PM2.5 vent; 18. a single chip microcomputer; 19. soft arranging wires; 20. a temperature and humidity sensor chip; 21. a thermal dividing groove; 22. an electrochemical formaldehyde sensor; 23. an induction window; 24. a VOC sensor; 25. and a status indicator light.
[ detailed description ] embodiments
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
Combine 1~5 a multidimension degree air quality detection device of mutual compensation of attached figure, including fixed plate 1, casing 2, bottom plate 3, filter screen 9, trachea 10, connecting pipe 11, circuit board 12, power, singlechip 18 and empty gas detection survey device, be equipped with casing 2 and circuit board 12 on the fixed plate 1, be equipped with power, singlechip 18 and empty gas detection survey device on the circuit board 12, be equipped with bottom plate 3 on the casing 2, be equipped with filter screen 9, trachea 10 and connecting pipe 11 on the bottom plate 3.
The fixing plate 1 is of a rectangular structure, four corners of the fixing plate 1 are provided with fixing holes 4, the fixing holes 4 penetrate through the upper surface and the lower surface of the fixing plate 1, the lower surface of the fixing plate 1 is provided with a shell 2 and a circuit board 12, the shell 2 is of a hollow rectangular structure, the upper surface of the shell 2 is connected with the lower surface of the fixing plate 1, the circuit board 12 is arranged in the shell 2, the side surface of the shell 2 is provided with an air exhaust hole 5 and a wiring hole 6, and the lower surface of the shell 2 is provided with a bottom plate 3.
The upper surface of the circuit board 12 is connected with the lower surface of the fixing plate 1, the lower surface of the circuit board 12 is provided with a power supply, a single chip microcomputer 18 and an air detection device, the single chip microcomputer 18 is attached to the circuit board 12, and the power supply and the air detection device are arranged around the single chip microcomputer 18.
The power supply is composed of an external socket 13 and an anti-reflection MOS tube 14, the external socket 13 is installed on the circuit board 12, the anti-reflection MOS tube 14 is attached to the circuit board 12, the anti-reflection MOS tube 14 is used for protecting the circuit board 12, the single chip microcomputer 18 and the air detection device, a 5V filter 15 and a state indicator lamp 25 are arranged beside the external socket 13, and the 5V filter 15 and the state indicator lamp 25 are attached to the circuit board 12.
The air detection device is composed of a PM2.5 sensor 16, a flexible flat cable 19, a temperature and humidity sensor chip 20, an electrochemical formaldehyde sensor 22 and a VOC sensor 24, wherein the PM2.5 sensor 16, the flexible flat cable 19, the temperature and humidity sensor chip 20, the electrochemical formaldehyde sensor 22 and the VOC sensor 24 are all arranged on a circuit board 12, the PM2.5 sensor 16 is adhered to the circuit board 12, the PM2.5 sensor 16 is communicated with the circuit board 12 through the flexible flat cable 19, and the PM2.5 sensor 16 is provided with a PM2.5 vent hole 17.
The temperature and humidity sensor chip 20 is attached to the circuit board 12, and thermal separation grooves 21 are formed in the circuit board 12 around the temperature and humidity sensor chip 20.
The electrochemical formaldehyde sensor 22 is attached to the circuit board 12, a sensing window 23 is arranged in the center of the electrochemical formaldehyde sensor 22, and the diameter of the sensing window 23 is 8 mm.
The VOC sensor 24 is attached to the circuit board 12, and a plurality of air holes are formed in the VOC sensor 24.
The upper face of bottom plate 3 is connected with the lower part face of casing 2, be equipped with connecting hole 7 on bottom plate 3, connecting hole 7 runs through the upper face and the lower part face of bottom plate 3, be equipped with filter screen 9 on the inner wall of connecting hole 7, connecting hole 7 sets up under PM2.5 ventilation hole 17, be equipped with trachea 10 between connecting hole 7 and the PM2.5 ventilation hole 17, the lower part face of trachea 10 is connected with the upper portion face of bottom plate 3, the other at least one perforation 8 that is equipped with of connecting hole 7, each perforation 8 is the same in structure, perforation 8 runs through the upper face and the lower part face of bottom plate 3, be equipped with filter screen 9 on perforation 8's the inner wall, perforation 8 corresponds the setting with empty gas detection survey device's chip, each perforation 8 top all is equipped with connecting pipe 11, the lower part face of connecting pipe 11 is connected with the upper portion face of bottom plate 3.
According to the embodiment, when the mutually-compensated multi-dimensional air quality detection device is used, a product is installed on the whole machine through self-tapping screws, air is exhausted out of the shell 2 through the air exhaust holes 5, the air pipe 10 and each connecting pipe 11 form negative pressure, air is guided to each sensor through the connecting holes 7 and the through holes 8, when the air passes through the connecting holes 7 and the through holes 8, dust in the air is filtered outside the air pipe 10 and each connecting pipe 11 through the filter screens 9 in the connecting holes 7 and the through holes 8, a large amount of dust is prevented from being attached to each sensor, detection accuracy is prevented from being influenced, the wire penetrates through the wiring holes 6 of the shell 2 to be connected with the external socket 13, the circuit board 12 is electrified, after the circuit board 12 is electrified, the PM2.5 sensor 16, the temperature and humidity sensor chip 20, the electrochemical formaldehyde sensor 22 and the VOC sensor 24 which are integrated on the circuit board 12 start to work, and PM2.5, formaldehyde sensors 22 and VOC sensors which are suspended in particles are detected and recorded, The amount of VOC organic volatile matter, xylene, formaldehyde and other harmful substances is compensated by the temperature and humidity sensor chip 20 for the PM2.5 sensor 16 in the measurement process; the temperature and humidity sensor chip 20 compensates the VOC sensor 24; the alcohol concentration measured by the VOC sensor 24 compensates the electrochemical formaldehyde sensor 22; a thermal division groove 21 is arranged around the mainboard provided with the temperature and humidity sensor chip 20, and the software in the singlechip 18 can compensate temperature and humidity parameters; the temperature and humidity sensor chip 20 compensates the VOC sensor 24, and a formaldehyde compensation program is added, so that the overall consistency of the product and the accuracy of measured data are improved.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a multidimension degree air quality detection device of mutual compensation, includes fixed plate (1), casing (2), bottom plate (3), filter screen (9), trachea (10), connecting pipe (11), circuit board (12), power, singlechip (18) and empty gas detection survey device, characterized by: the air purifier is characterized in that a shell (2) and a circuit board (12) are arranged on the fixing plate (1), a power supply, a single chip microcomputer (18) and an air detection device are arranged on the circuit board (12), a bottom plate (3) is arranged on the shell (2), and a filter screen (9), an air pipe (10) and a connecting pipe (11) are arranged on the bottom plate (3).
2. The mutually compensating multi-dimensional air quality detection device of claim 1, wherein: the fixing plate (1) is of a rectangular structure, fixing holes (4) are formed in four corners of the fixing plate (1), the fixing holes (4) penetrate through the upper portion face and the lower portion face of the fixing plate (1), a shell (2) and a circuit board (12) are arranged on the lower portion face of the fixing plate (1), the shell (2) is of a hollow rectangular structure, the upper portion face of the shell (2) is connected with the lower portion face of the fixing plate (1), the circuit board (12) is arranged in the shell (2), an air exhaust hole (5) and a wiring hole (6) are formed in the side face of the shell (2), and a bottom plate (3) is arranged on the lower portion face of the shell (2).
3. The mutually compensating multi-dimensional air quality detection device of claim 1, wherein: the upper surface of the circuit board (12) is connected with the lower surface of the fixing plate (1), the lower surface of the circuit board (12) is provided with a power supply, a single chip microcomputer (18) and an air detection device, the single chip microcomputer (18) is attached to the circuit board (12), and the power supply and the air detection device are arranged around the single chip microcomputer (18).
4. The mutually compensating multi-dimensional air quality detection device of claim 1, wherein: the power supply is composed of an external socket (13) and an anti-reflection MOS (metal oxide semiconductor) tube (14), the external socket (13) is installed on a circuit board (12), the anti-reflection MOS tube (14) is attached to the circuit board (12), the anti-reflection MOS tube (14) is used for protecting the circuit board (12), a single chip microcomputer (18) and an air detection device, a 5V filter (15) and a state indicator lamp (25) are arranged beside the external socket (13), and the 5V filter (15) and the state indicator lamp (25) are attached to the circuit board (12).
5. The mutually compensating multi-dimensional air quality detection device of claim 1, wherein: air detection device comprises PM2.5 sensor (16), soft winding displacement (19), temperature and humidity sensor chip (20), electrochemistry formaldehyde sensor (22) and VOC sensor (24), PM2.5 sensor (16), soft winding displacement (19), temperature and humidity sensor chip (20), electrochemistry formaldehyde sensor (22) and VOC sensor (24) all set up on circuit board (12), PM2.5 sensor (16) glues on circuit board (12), PM2.5 sensor (16) and circuit board (12) are through soft winding displacement (19) intercommunication, PM2.5 sensor (16) are equipped with PM2.5 ventilation hole (17).
6. The mutually compensating multi-dimensional air quality detection device of claim 5, wherein: the temperature and humidity sensor chip (20) is attached to the circuit board (12), and heat separation grooves (21) are formed in the circuit board (12) on the periphery of the temperature and humidity sensor chip (20).
7. The mutually compensating multi-dimensional air quality detection device of claim 5, wherein: the electrochemical formaldehyde sensor (22) is attached to the circuit board (12), an induction window (23) is arranged in the center of the electrochemical formaldehyde sensor (22), and the diameter of the induction window (23) is 8 mm.
8. The mutually compensating multi-dimensional air quality detection device of claim 5, wherein: the VOC sensor (24) is attached to the circuit board (12), and a plurality of air holes are formed in the VOC sensor (24).
9. The mutually compensating multi-dimensional air quality detection device of claim 1, wherein: the upper portion face of bottom plate (3) is connected with the lower part face of casing (2), be equipped with connecting hole (7) on bottom plate (3), connecting hole (7) run through the upper portion face and the lower part face of bottom plate (3), be equipped with filter screen (9) on the inner wall of connecting hole (7), connecting hole (7) set up under PM2.5 ventilation hole (17), be equipped with trachea (10) between connecting hole (7) and PM2.5 ventilation hole (17), the lower part face of trachea (10) is connected with the upper portion face of bottom plate (3), connecting hole (7) other be equipped with at least one perforation (8), each perforation (8) structure is the same, perforation (8) run through the upper portion face and the lower part face of bottom plate (3), be equipped with filter screen (9) on the inner wall of perforation (8), perforation (8) correspond the setting with air detection device's chip, each perforation (8) top all is equipped with connecting pipe (11), the lower part face of connecting pipe (11) is connected with the upper portion face of bottom plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067062.9U CN216350632U (en) | 2021-12-08 | 2021-12-08 | Mutual-compensation multi-dimensional air quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067062.9U CN216350632U (en) | 2021-12-08 | 2021-12-08 | Mutual-compensation multi-dimensional air quality detection device |
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| Publication Number | Publication Date |
|---|---|
| CN216350632U true CN216350632U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123067062.9U Active CN216350632U (en) | 2021-12-08 | 2021-12-08 | Mutual-compensation multi-dimensional air quality detection device |
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| Country | Link |
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| CN (1) | CN216350632U (en) |
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2021
- 2021-12-08 CN CN202123067062.9U patent/CN216350632U/en active Active
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