CN203643386U - Air quality monitoring and sensing module - Google Patents

Air quality monitoring and sensing module Download PDF

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Publication number
CN203643386U
CN203643386U CN201320878017.8U CN201320878017U CN203643386U CN 203643386 U CN203643386 U CN 203643386U CN 201320878017 U CN201320878017 U CN 201320878017U CN 203643386 U CN203643386 U CN 203643386U
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CN
China
Prior art keywords
quality monitoring
air quality
sensing module
circuit substrate
nut
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320878017.8U
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Chinese (zh)
Inventor
吉学文
张恩锐
朱联烽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Weilai Sensing Technology Development Corp Ltd Of Shenzhen
Original Assignee
Dai Weilai Sensing Technology Development Corp Ltd Of Shenzhen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dai Weilai Sensing Technology Development Corp Ltd Of Shenzhen filed Critical Dai Weilai Sensing Technology Development Corp Ltd Of Shenzhen
Priority to CN201320878017.8U priority Critical patent/CN203643386U/en
Application granted granted Critical
Publication of CN203643386U publication Critical patent/CN203643386U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an air quality monitoring and sensing module which comprises a printed circuit board (PCB), a gas sensor, a data storage chip, a data operation processing microcontroller, a voltage input and output interface, a characteristic positioning nut through hole and two nut fixing through holes, wherein the gas sensor is arranged on the front side of the PCB; the data storage chip, the data operation processing microcontroller and the voltage input and output interface are arranged on the back side of the PCB; the characteristic positioning nut through hole is positioned at a vertex angle of the ten o'clock direction of the front side of the PCB; one nut fixing through hole is formed in a vertex angle of the one o'clock direction of the front side of the PCB; the other nut fixing through holes is formed in a vertex angle of the five o'clock direction of the front side of the PCB; the radius of the characteristic positioning nut through hole is two times of that of the nut fixing through holes. The air quality monitoring and sensing module is sensitive in low-concentration pollution gas sensing, high in repeatability, suitable for batch preparation, and high in contamination level display uniformity.

Description

Air quality monitoring sensing module
Technical field
The utility model relates to gas sensing field, is specifically related to a kind of air quality monitoring sensing module of monitoring dusty gas in air and sending processing signals.
Background technology
In daily life occasion,, when meeting, there is the air pollution gases such as second-hand-cigarette, fume, cosmetics volatilization molecule, vehicle exhaust in such as hospital, meal/hotel, meeting room, reception room, hotel, waiting hall, vapour/railway station, tunnel, chess and card room, club etc.In order to keep the degree with fresh air in these living space, common way is to use the equipment such as vent fan, central air conditioner, plasma generator, air filtration cleaning system, and these equipment can keep free of discontinuities operation in 24 hours.But under many circumstances, equipment does not need continuous operation, such as at dead of night, the stream of people, the wagon flow ebb period such as morning, be not that the Zone Full of equipment networking all exists air pollution in addition.Keep the region-wide all the period of time operation of air device can waste a large amount of electric energy.Therefore need the one can intelligent switch device, can automatically control the startup of air cleaning facility or standby to save electric energy, increase the serviceable life of equipment.
Utility model content
The technical problems to be solved in the utility model is, cannot be according to the problem of the automatic adjust operation state of air pollution degree for air cleaning facility, a kind of air quality monitoring sensing module is provided, and progression is polluted in monitoring air pollution degree output, obtains Based Intelligent Control signal.
The technical scheme that the utility model is taked is: a kind of air quality monitoring sensing module is provided, comprises PCB circuit substrate, gas sensor, pin-saving chip, data operation processing microcontroller, voltage IO interface, a feature location nut through hole and two nut fixed vias.Utilize this module can the airborne dusty gas molecular conecentration of real-time detection, the air pollution gases such as such as second-hand-cigarette, fume, cosmetics volatilization molecule, vehicle exhaust, and then there is processor to export class of pollution signal, can with follow-up actuator controller compatibility, control the running status of cleaning equipment, thereby realize Based Intelligent Control effect.
In air quality monitoring sensing module described in the utility model, described gas sensor is arranged on described PCB circuit substrate front; Described pin-saving chip, data operation process microcontroller and voltage IO interface is arranged on the described PCB circuit substrate back side;
In air quality monitoring sensing module described in the utility model, described feature location nut through hole is positioned at positive 10 the direction drift angles of described PCB circuit substrate; Described nut fixed via is arranged on positive some direction drift angles of described PCB circuit substrate; Described nut fixed via is arranged on positive 5 the direction drift angles of described PCB circuit substrate; The radius of described feature location nut through hole is the twice of the radius of described nut fixed via.
In air quality monitoring sensing module described in the utility model, described gas sensor adopts N-shaped metal-oxide semiconductor (MOS) gas sensor, for responding to reducing pollution gas, produces reversible resistance and reduces;
In air quality monitoring sensing module described in the utility model, described pin-saving chip is provided with 6 interfaces, comprising: two both positive and negative polarity voltage interface, 4 A/D translation interfaces that do not used, 1 erasable input port and relatively mouth of 1 output;
In air quality monitoring sensing module described in the utility model, described voltage input/output interface is provided with 4 pins, comprises two both positive and negative polarity voltage inputs, two low and high level delivery outlets;
Air quality monitoring sensing module of the present utility model has following beneficial effect: can be according to the standby/running status of air pollution degree Based Intelligent Control air cleaning facility, avoid the long-term invalid idle running of equipment, and save energy consumption; Adopt metal oxide semiconductor gas sensor as detection of gas head, can realize the monitoring of multiple air pollution quality gas; Be quick on the draw, it is high that repeatability is good, batch is prepared unitarity; Structural design is simple, and cost is low, meets the requirement of extensive layout.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1. air quality monitoring sensing module element layout;
Fig. 2. air quality monitoring sensing modular circuit figure;
Fig. 3. the positive trace-diagram of air quality monitoring sensing module pcb board;
Fig. 4. air quality monitoring sensing module back side pcb board trace-diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of air quality monitoring sensing module that preferred embodiment of the utility model provides, this module comprises PCB circuit substrate 001, gas sensor 101, pin-saving chip 201, data operation and processes microcontroller 301, voltage IO interface 401, feature location nut through hole 501 and two nut fixed vias 502 and 503; Described gas sensor 101 is arranged on described PCB circuit substrate 001 front; Described pin-saving chip 201, data operation process microcontroller 301 and voltage IO interface 401 is arranged on described PCB circuit substrate 001 back side;
In order to make module plate be convenient to location and installation on electric prospection housing, this air quality monitoring sensing module is also provided with a feature location nut through hole and two nut fixed vias.Feature location nut through hole 501 is positioned at positive 10 the direction drift angles of described PCB circuit substrate 001; Described nut fixed via 502 is arranged on positive some direction drift angles of described PCB circuit substrate 001; Described nut fixed via 503 is arranged on positive 5 the direction drift angles of described PCB circuit substrate 001; The radius of described feature location nut through hole 501 is twices of the radius of described nut fixed via 502,503.
In order to further illustrate the principle of work of this module, this preferred embodiment gives the circuit diagram of this module to explain, as shown in Figure 2.Module needs 5V direct-current working volts, is accessed by voltage input/output section 112; Circuit 111 parts are dusty gas concentration probe portion, and gas sensor S1 voltage is separated by circuit 111.Dividing potential drop is processed microcontroller part 113 by data operation and is read in real time; In addition, data store divides 114 pre-storedly to have standard solid voltage gradation data, and processes microcontroller part 113 by data operation and read in real time and revise; Data operation is processed microcontroller part 113 contamination data of Real-time Collection and former storage area is carried out to computing and comparison, exports pollution level logarithmic data to voltage input/output section 112 afterwards.
In order to facilitate arranging of various components and parts, improve module integrated level, this preferred embodiment gives the front and back trace-diagram of air quality monitoring sensing module pcb board, as shown in Figure 3 and Figure 4.
Although the utility model describes by specific embodiment, it will be appreciated by those skilled in the art that, in the situation that not departing from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, for particular condition or material, can make various modifications to the utility model, and not depart from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall within the scope of the utility model claim.

Claims (4)

1. an air quality monitoring sensing module, it is characterized in that, comprise PCB circuit substrate (001), gas sensor (101), pin-saving chip (201), data operation processing microcontroller (301), voltage IO interface (401), a feature location nut through hole (501) and two nut fixed vias (502) and (503);
Described gas sensor (101) is arranged on described PCB circuit substrate (001) front; Described pin-saving chip (201), data operation process microcontroller (301) and voltage IO interface (401) is arranged on described PCB circuit substrate (001) back side;
Described feature location nut through hole (501) is positioned at positive 10 the direction drift angles of described PCB circuit substrate (001); Described nut fixed via (502) is arranged on positive some direction drift angles of described PCB circuit substrate (001); Described nut fixed via (503) is arranged on positive 5 the direction drift angles of described PCB circuit substrate (001); The radius of described feature location nut through hole (501) is the twice of the radius of described nut fixed via (502), (503).
2. air quality monitoring sensing module according to claim 1, is characterized in that, described gas sensor (101) adopts 4 pin N-shaped metal-oxide semiconductor (MOS) gas sensors.
3. air quality monitoring sensing module according to claim 1, it is characterized in that, described pin-saving chip (201) is provided with 6 interfaces, comprising: two both positive and negative polarity voltage interface, 4 A/D translation interfaces that do not used, 1 erasable input port and relatively mouth of 1 output.
4. air quality monitoring sensing module according to claim 1, is characterized in that, described voltage input/output interface (401) is provided with 4 pins, comprises two both positive and negative polarity voltage inputs, two low and high level delivery outlets.
CN201320878017.8U 2013-12-27 2013-12-27 Air quality monitoring and sensing module Expired - Fee Related CN203643386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320878017.8U CN203643386U (en) 2013-12-27 2013-12-27 Air quality monitoring and sensing module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320878017.8U CN203643386U (en) 2013-12-27 2013-12-27 Air quality monitoring and sensing module

Publications (1)

Publication Number Publication Date
CN203643386U true CN203643386U (en) 2014-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320878017.8U Expired - Fee Related CN203643386U (en) 2013-12-27 2013-12-27 Air quality monitoring and sensing module

Country Status (1)

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CN (1) CN203643386U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104749224A (en) * 2013-12-27 2015-07-01 深圳市戴维莱传感技术开发有限公司 Air quality monitoring and sensing module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104749224A (en) * 2013-12-27 2015-07-01 深圳市戴维莱传感技术开发有限公司 Air quality monitoring and sensing module

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140611

Termination date: 20191227

CF01 Termination of patent right due to non-payment of annual fee