CN204228577U - Be applicable to the pick-up unit of the on-line checkingi pm2.5 content of air purifier - Google Patents
Be applicable to the pick-up unit of the on-line checkingi pm2.5 content of air purifier Download PDFInfo
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- CN204228577U CN204228577U CN201420500990.0U CN201420500990U CN204228577U CN 204228577 U CN204228577 U CN 204228577U CN 201420500990 U CN201420500990 U CN 201420500990U CN 204228577 U CN204228577 U CN 204228577U
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Abstract
Be applicable to a pick-up unit for the on-line checkingi pm2.5 content of air purifier, comprise: for the sensor of PM2.5 particle in testing environment; The A/D sampling component be connected with sensor; Have the MCU signal processing system of signal transacting and memory function, MCU signal processing system is connected with A/D sampling component signal; For showing the display of PM2.5 particle content information, display is connected by RS485 communication protocol with MCU signal processing system.Designed by said structure, the beneficial effects of the utility model are: the pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier can be loaded in air purifier body the optional position needing to install, the levels of pm2.5 in on-line real-time measuremen air purifier process pure air, accuracy of detection is high, stability is strong, and the data detected are transferred to display device show in real time, can accurate data be viewed.
Description
Technical field
The utility model relates to gas detection equipment technical field, more particularly, and particularly a kind of pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier.
Background technology
Current environmental pollution is serious, and haze weather is added, and air pollution is serious.In air, flue gas, micronic dust content overproof will endanger healthy.
In the prior art, generally adopt air purifier to purify air, air purifier is used for purifying the air of a room quality to reaching desired air environment.But the air purifier commercially provided is of a great variety, great majority are only that outward appearance changes, and all do not show the function of concrete pm2.5 content, for its practical effect of consumer just not from obtaining cicada.
Utility model content
In view of this, the utility model provides a kind of pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier, to solve the problem.
For achieving the above object, the utility model provides following technical scheme:
Be applicable to a pick-up unit for the on-line checkingi pm2.5 content of air purifier, comprise:
For the sensor of PM2.5 particle in testing environment;
The A/D sampling component be connected with described sensor;
Have the MCU signal processing system of signal transacting and memory function, described MCU signal processing system is connected with described A/D sampling component signal;
For showing the display of PM2.5 particle content information, described display is connected by RS485 communication protocol with described MCU signal processing system.
Preferably, described A/D sampling component is 12 ADC sampling components, and described 12 ADC sampling components are connected with A/D analog to digital converter.
Preferably, described A/D sampling component also includes two close cycles amplifying circuit, and described ADC sampling component is connected with described A/D analog to digital converter by described two close cycles amplifying circuit.
The utility model provides a kind of pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier, comprising: for the sensor of PM2.5 particle in testing environment; The A/D sampling component be connected with sensor; Have the MCU signal processing system of signal transacting and memory function, MCU signal processing system is connected with A/D sampling component signal; For showing the display of PM2.5 particle content information, display is connected by RS485 communication protocol with MCU signal processing system.
The utility model comprises sensor, A/D sampling component, MCU signal processing system, MCU signal processing system comprises control chip, control chip has logical operation function, is then shown by display for carrying out analyzing and processing to the signal of sensor collection.
In said structure design, sensor, A/D sampling component, MCU signal processing system are integrated to be arranged on one piece of circuit board, then a crust of the device is provided, in crust of the device, pneumatic pump is set, for accelerating air circulation, crust of the device arranges air intake opening, screen pack is set on air intake opening for the larger particle of filtering particle.Gather PM2.5 content and formation voltage signal by sensor, voltage signal is sampled through A/D sampling component.The software that the utility model adopts is Kalman filtering algorithm, further increase the precision and stability of sensor measurement, convert voltage signal to digital signal with the signal frequency conversion of 4-20mA signal isolating converter and A/D analog to digital converter, digital signal input MCU disposal system stores.MCU disposal system comprises control chip, by RS485 communication protocol by digital data transmission on the display screen of air purifier, ensure data transmission accuracy.
The beneficial effects of the utility model are: the pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier can be loaded in air purifier body the optional position needing to install, the levels of pm2.5 in on-line real-time measuremen air purifier process pure air, accuracy of detection is high, stability is strong, and the data detected are transferred to display device show in real time, can accurate data be viewed.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the pick-up unit of the on-line checkingi pm2.5 content being applicable to air purifier in a kind of embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 is the structural representation of the pick-up unit of the on-line checkingi pm2.5 content being applicable to air purifier in a kind of embodiment of the utility model.
The utility model provides a kind of pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier, comprising: for the sensor 1 of PM2.5 particle in testing environment; The A/D sampling component be connected with sensor 1; MCU signal processing system 4, the MCU signal processing system 4 with signal transacting and memory function is connected with A/D sampling component signal; For showing the display 5 of PM2.5 particle content information, display 5 is connected by RS485 communication protocol with MCU signal processing system 4.
The utility model comprises sensor 1, A/D sampling component, MCU signal processing system 4, MCU signal processing system 4 comprises control chip, control chip has logical operation function, and the signal for gathering sensor 1 is carried out analyzing and processing and then shown by display 5.
In said structure design, sensor 1, A/D sampling component, MCU signal processing system 4 are integrated to be arranged on one piece of circuit board, then a crust of the device is provided, in crust of the device, pneumatic pump is set, for accelerating air circulation, crust of the device arranges air intake opening, screen pack is set on air intake opening for the larger particle of filtering particle.Gather PM2.5 content and formation voltage signal by sensor 1, voltage signal is sampled through A/D sampling component.The software that the utility model adopts is Kalman filtering algorithm, further increase the precision and stability that sensor 1 is measured, convert voltage signal to digital signal with the signal frequency conversion of 4-20mA signal isolating converter and A/D analog to digital converter 3, digital signal input MCU disposal system stores.MCU disposal system comprises control chip, by RS485 communication protocol by digital data transmission on the display screen of air purifier, ensure data transmission accuracy.
The beneficial effects of the utility model are: the pick-up unit being applicable to the on-line checkingi pm2.5 content of air purifier can be loaded in air purifier body the optional position needing to install, the levels of pm2.5 in on-line real-time measuremen air purifier process pure air, accuracy of detection is high, stability is strong, and the data detected are transferred to display device show in real time, can accurate data be viewed.
Particularly, A/D sampling component is that 12 ADC sampling components, 2,12 ADC sampling components 2 are connected with A/D analog to digital converter 3.
In order to improve the stability of Signal transmissions, A/D sampling component is also included two close cycles amplifying circuit 6, ADC sampling component 2 and is connected with A/D analog to digital converter 3 by two close cycles amplifying circuit 6.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (1)
1. be applicable to a pick-up unit for the on-line checkingi pm2.5 content of air purifier, it is characterized in that, comprising:
For the sensor of PM2.5 particle in testing environment;
The A/D sampling component be connected with described sensor;
Have the MCU signal processing system of signal transacting and memory function, described MCU signal processing system is connected with described A/D sampling component signal;
For showing the display of PM2.5 particle content information, described display is connected by RS485 communication protocol with described MCU signal processing system;
Described A/D sampling component is 12 ADC sampling components, and described 12 ADC sampling components are connected with A/D analog to digital converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500990.0U CN204228577U (en) | 2014-09-01 | 2014-09-01 | Be applicable to the pick-up unit of the on-line checkingi pm2.5 content of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500990.0U CN204228577U (en) | 2014-09-01 | 2014-09-01 | Be applicable to the pick-up unit of the on-line checkingi pm2.5 content of air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228577U true CN204228577U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500990.0U Expired - Fee Related CN204228577U (en) | 2014-09-01 | 2014-09-01 | Be applicable to the pick-up unit of the on-line checkingi pm2.5 content of air purifier |
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| CN (1) | CN204228577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131619A (en) * | 2017-06-23 | 2017-09-05 | 北京望远迅杰科技有限公司 | A kind of control system of air purifier |
-
2014
- 2014-09-01 CN CN201420500990.0U patent/CN204228577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131619A (en) * | 2017-06-23 | 2017-09-05 | 北京望远迅杰科技有限公司 | A kind of control system of air purifier |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20180901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |