CN101488032B - Harmful gas detecting instrument - Google Patents
Harmful gas detecting instrument Download PDFInfo
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- CN101488032B CN101488032B CN2009100781310A CN200910078131A CN101488032B CN 101488032 B CN101488032 B CN 101488032B CN 2009100781310 A CN2009100781310 A CN 2009100781310A CN 200910078131 A CN200910078131 A CN 200910078131A CN 101488032 B CN101488032 B CN 101488032B
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Abstract
The invention relates to a harmful gas detecting instrument. The instrument comprises a sensing unit, a conditioning unit, a microprocessing unit and an alarm and control unit, wherein the sensing unit is arranged at an acquisition board for acquiring a concentration signal of the harmful gas in a birdhouse; the conditioning unit is arranged at the acquisition board for filtering and amplifying the signal acquired by the sensing unit; the microprocessing unit is arranged at a substrate for calculating the signal which is filtered and amplified, determining whether the alarm and control unit is started or not according to a calculation result, or for transmitting the signal which is filtered and amplified to a remote control room; and the alarm and control unit is arranged at the substrate for alarming and controlling ventilation of ventilation equipment in the birdhouse. The harmful gas detecting instrument realizes real-time detection on air quality of a culture place, detection on different gases through changing different sensing probes, and automatic control over field environment and multipoint solid overall detection to the environmental air quality.
Description
Technical field
The present invention relates to gas detection technology, specifically is a kind of harmful gas detecting instrument that is applicable to pouity dwelling place.
Background technology
NH
3, H
2S, CO
2, CO etc. is harmful gas common in the air, can produce harm to respiratory system during low concentration, can cause people and fowl poultry stupor during high concentration until death.Freely will not accumulate a large amount of harmful gases if ventilate in the pouity dwelling place, the growth of fowl poultry be produced produce very big influence, therefore very necessary to the monitoring of harmful gas content in the pouity dwelling place.The device that some integrated multiple gases sensors are also arranged in the market, American I ST IQ-1000 type gas detecting instrument for example, this instrument can detect multiple gases by changing sensing probe, has and reports to the police and data storage function.
This quasi-instrument is applied in the industry more at present, and it is expensive mostly to be import price, is not suitable for the detection of gas in the pouity dwelling place.Top institute act instrument is because battery restriction in serviceable life can not detect in real time, and can only use separately cause can only testing environment in the air quality of certain point, can not fully understand the harmful gas concentration of each position in the pouity dwelling place, automaticity is not high, can not carry out Based Intelligent Control as required to the ventilation equipment at scene.
Summary of the invention
Purpose of the present invention just is to provide a kind of harmful gas detecting instrument, to address the aforementioned drawbacks.
For achieving the above object, technical scheme of the present invention is to adopt a kind of harmful gas detecting instrument, and this instrument comprises collection plate and substrate, and this collection plate adopts double OIR to be connected with substrate, wherein also comprises:
Sensing unit is located on the described collection plate, is used to gather harmful gas concentration signal in the pouity dwelling place;
The conditioning unit is located on the described collection plate, is used for the signal after the described sensing unit collection is carried out filtering, processing and amplifying;
Microprocessing unit is located on the described substrate, is used for whether the signal after filtering, the processing and amplifying calculated and start according to result of calculation decision reporting to the police and control module, or is sent to remote control room according to the signal of user's request after with filtering, processing and amplifying;
Report to the police and control module, be located on the described substrate, be used to report to the police and the ventilation equipment controlled in the pouity dwelling place are taken a breath.
Wherein, described collection plate adopts double OIR to be connected with described substrate.
Wherein, described microprocessing unit has the alarming value of setting according to user's needs, then
If the signal value after filtering, the processing and amplifying is greater than described alarming value, described microprocessing unit starts described warning and control module is reported to the police and ventilation;
If the signal value after filtering, the processing and amplifying is less than described alarming value, described microprocessing unit is closed described warning and control module.
Wherein, described sensing unit is a sensing probe, and described sensing probe can be replaced by variety classes according to different measurement purposes.
Wherein, also comprise:
Communication unit is located on the described substrate, and described microprocessing unit is sent to remote control room by the signal of communication unit after with filtering, processing and amplifying.
Wherein, described communication unit is supported Modbus bus and RS-485 bus transfer technology.
Wherein, also comprise:
The A/D converting unit is carried out analog to digital conversion to the signal after filtering, the processing and amplifying, and sends transformation result to described microprocessing unit.
Advantage of the present invention and beneficial effect are, the present invention has realized in the real-time monitoring to breed place air quality, easy to use, by changing the detection of different sensing probe realizations to gas with various, at ammonia, carbon dioxide, sulfuretted hydrogen, has very big advantage in the monitoring of gases such as ozone and the data acquisition, and can be according to the automatic open and close relay of air quality, the place field apparatus is cultured in control, realization is to the automatic control of site environment, improve the intellectuality and the automaticity of aquaculture, and realize the three-dimensional comprehensively monitoring of ambient air quality multiple spot.
Description of drawings
Fig. 1 is the functional block diagram of harmful gas detecting instrument of the present invention;
Fig. 2 is the structural representation of harmful gas detecting instrument of the present invention.
Among the figure: 10, sensing unit; 20, conditioning unit; 30, A/D converting unit; 40, microprocessing unit; 50, warning and control module; 60, communication unit.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, harmful gas detecting instrument of the present invention comprises collection plate and substrate, and collection plate is provided with sensing unit 10 and conditioning unit 20.Sensing unit 10 is used to gather harmful gas concentration signal in the pouity dwelling place, and the harmful gas concentration signal of the conditioning 20 pairs of collections in unit carries out filtering, processing and amplifying.Sensing unit 10 is for being used to detect different types of sensing probe of gas with various.Substrate is provided with A/D converting unit 30, microprocessing unit 40, warning and control module 50 and communication unit 60.Microprocessing unit 40 is used for the data after A signal is calculated, and whether decision starts warning and control module 50 according to result of calculation, and warning and control module 50 are used to report to the police and control the interior ventilation equipment of pouity dwelling place and carry out ventilation.
Collection plate adopts double OIR to be connected with substrate, and substrate is general, and collection plate has different selections according to different sensing probe kinds, change sensing probe as need, can directly collection plate be pulled up to change in the lump and get final product, therefore, this plug connected mode is changed convenient, has improved simplicity.
Signal after conditioning unit 20 is handled at first is sent to A/D converting unit 30 and carries out analog to digital conversion, is sent to microprocessing unit 40 afterwards.Microprocessing unit 40 has the alarming value of setting according to user's needs, judge according to the signal of described alarming value after analog to digital conversion, if the signal value after the analog to digital conversion is greater than described alarming value, microprocessing unit 40 starts warning and control module 50 is reported to the police and ventilation, if the signal value after the analog to digital conversion is less than described alarming value, then microprocessing unit 40 is closed and is reported to the police and control module.Microprocessing unit 40 can also directly be sent to remote control room by communication unit 60 with the data after A signal, thereby realize remote monitoring and control, communication unit 60 is supported Modbus bus and RS-485 bus transfer technology, can will reach 32 gas sensing transmitter networkings with this, realize the three-dimensional comprehensively monitoring of ambient air quality multiple spot.Microprocessing unit 40 can also be exported the signal that collects with the form of 4-20mA electric current.
As shown in Figure 2, harmful gas detecting instrument of the present invention, shell adopts high-quality PVC material, anti-fall anticorrosive, can adapt to the rugged surroundings in the pouity dwelling place, the sensing unit 10 concrete sensing probes that adopt, sensing probe 1 is connected on the collection plate 3, can change the kind of sensing probe 1 according to different testing goals.Microprocessing unit 30 specifically can adopt single-chip microcomputer, report to the police and control module 50 in alarm unit be hummer 4 and LED5, be used for the sound and light alarm that transfinites, control module is a relay 2.Single-chip microcomputer has the alarming value of setting according to user's needs, the judged result of the signal value after single-chip microcomputer is to analog to digital conversion is during greater than this alarming value, relay 2 adhesives, open the ventilation equipment such as blower fan in the pouity dwelling place, the judged result of the signal value after single-chip microcomputer is to analog to digital conversion is during less than this alarming value, Single-chip Controlling relay 2 disconnects, and ventilation equipment are out of service, makes that the air quality in the pouity dwelling place remains in the scope that is fit to fowl dirty swine length.
The present invention has realized in the real-time monitoring to breed place air quality, easy to use, by changing the detection of different sensing probe realizations to gas with various, in the monitoring of gases such as ammonia, carbon dioxide, sulfuretted hydrogen, ozone and data acquisition, has very big advantage, and can be according to the automatic open and close relay of air quality, the place field apparatus is cultured in control, realization is to the automatic control of site environment, improve the intellectuality and the automaticity of aquaculture, and realize the three-dimensional comprehensively monitoring of ambient air quality multiple spot.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a harmful gas detecting instrument comprises collection plate and substrate, and this collection plate adopts double OIR to be connected with substrate, it is characterized in that, also comprises:
Sensing unit (10) is located on the described collection plate, is used to gather harmful gas concentration signal in the pouity dwelling place;
Conditioning unit (20) is located on the described collection plate, is used for the signal after described sensing unit (10) collection is carried out filtering, processing and amplifying;
Microprocessing unit (40), be located on the described substrate, be used for whether the signal after filtering, the processing and amplifying calculated and start according to result of calculation decision reporting to the police and control module (50), or be sent to remote control room according to the signal of user's request after with filtering, processing and amplifying;
Report to the police and control module (50), be located on the described substrate, be used to report to the police and the ventilation equipment controlled in the pouity dwelling place are taken a breath.
2. harmful gas detecting instrument as claimed in claim 1 is characterized in that, described microprocessing unit (40) has the alarming value of setting according to user's needs, then
If the signal value after filtering, the processing and amplifying is greater than described alarming value, described microprocessing unit (40) starts described warning and control module (50) is reported to the police and ventilation;
If the signal value after filtering, the processing and amplifying is less than described alarming value, described microprocessing unit (40) is closed described warning and control module (50).
3. harmful gas detecting instrument as claimed in claim 1 is characterized in that, described sensing unit (10) is a sensing probe, and described sensing probe can be replaced by variety classes according to different measurement purposes.
4. harmful gas detecting instrument as claimed in claim 1 is characterized in that, also comprises:
Communication unit (60) is located on the described substrate, and described microprocessing unit (40) is sent to remote control room by the signal of communication unit (60) after with filtering, processing and amplifying.
5. harmful gas detecting instrument as claimed in claim 4 is characterized in that, described communication unit (60) is supported Modbus bus and RS-485 bus transfer technology.
6. harmful gas detecting instrument as claimed in claim 1 is characterized in that, also comprises:
A/D converting unit (30) is carried out analog to digital conversion to the signal after filtering, the processing and amplifying, and sends transformation result to described microprocessing unit (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100781310A CN101488032B (en) | 2009-02-17 | 2009-02-17 | Harmful gas detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100781310A CN101488032B (en) | 2009-02-17 | 2009-02-17 | Harmful gas detecting instrument |
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| Publication Number | Publication Date |
|---|---|
| CN101488032A CN101488032A (en) | 2009-07-22 |
| CN101488032B true CN101488032B (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100781310A Active CN101488032B (en) | 2009-02-17 | 2009-02-17 | Harmful gas detecting instrument |
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| CN (1) | CN101488032B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435638A (en) * | 2011-08-30 | 2012-05-02 | 北京万维盈创科技发展有限公司 | Oil fume-monitoring system based on Internet of things |
| CN102411329A (en) * | 2011-12-02 | 2012-04-11 | 浙江理工大学 | Environment monitoring device based on RS-485 bus |
| CN102539508A (en) * | 2011-12-21 | 2012-07-04 | 北京农业信息技术研究中心 | System and method for monitoring malodorous gas of stall |
| CN103048429A (en) * | 2012-12-28 | 2013-04-17 | 重庆川仪分析仪器有限公司 | Replaceable fixed type gas warner |
| CN103116341A (en) * | 2013-01-29 | 2013-05-22 | 上海西律自动化设备有限公司 | Multifunctional wireless remote measurement and control recorder |
| CN103440737A (en) * | 2013-09-03 | 2013-12-11 | 宁夏东旭太阳能科技有限公司 | Work card type solar gas early warning device |
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2009
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| CN101488032A (en) | 2009-07-22 |
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