CN201876448U - Toxic gas detector for chemical laboratory - Google Patents
Toxic gas detector for chemical laboratory Download PDFInfo
- Publication number
- CN201876448U CN201876448U CN2010206275043U CN201020627504U CN201876448U CN 201876448 U CN201876448 U CN 201876448U CN 2010206275043 U CN2010206275043 U CN 2010206275043U CN 201020627504 U CN201020627504 U CN 201020627504U CN 201876448 U CN201876448 U CN 201876448U
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- circuit
- chemical laboratory
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- gas sensor
- controller
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Abstract
The utility model discloses a toxic gas detector for a chemical laboratory, which relates to the toxic gas detector and solves the problem that the existing gas detector wastes time and labor during gas detection. The signal output end of a gas sensor is connected with the signal input end of a signal processing circuit, and the voltage signal output end of the signal processing circuit is connected with the voltage signal input end of a controller; and the display signal output end of the controller is connected with the display signal input end of a display circuit. The toxic gas detector is suitable for detection of toxic gases in confined spaces of chemical laboratories of schools or research institutes.
Description
Technical field
The utility model relates to a kind of poisonous gas detecting instrument.
Background technology
Often contain CO, NH in the chemical laboratory
3, NO, NO
2Etc. harmful gas, can produce harm to respiratory system during low concentration, can cause people's stupor during high concentration until death, it is very necessary therefore chemical laboratory being carried out the toxic gas detection.The device that some integrated multiple gases sensors are arranged in the market realizes detecting multiple gases by changing the sensitive gas detection probe.But these gas detectors are used in the commercial production more, and its integrated equipment is more, and detection speed is slower, and volume is relatively large, complicated operation, and detection is wasted time and energy, and is not suitable for the gas detection in the laboratory.
The utility model content
The utility model is the problem that wastes time and energy for the gas detection that solves existing detector, thereby a kind of poisonous gas detecting instrument that is used for chemical laboratory is provided.
The poisonous gas detecting instrument that is used for chemical laboratory, it comprises gas sensor, signal processing circuit, controller and display circuit, the signal output part of described gas sensor is connected with the signal input part of signal processing circuit, and the voltage signal output end of described signal processing circuit is connected with the voltage signal input end of controller; The shows signal output terminal of controller is connected with the shows signal input end of display circuit.
The utility model is realized the real-time monitoring of chemical laboratory to air quality, and is safe and reliable, by changing different sensors, can detect multiple harmful gas, to CO, NH
3, NO, NO
2Deng the detection of harmful gas, and of the present utility model simple in structure, volume is less, and it is time saving and energy saving to detect.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Embodiment one, this embodiment is described in conjunction with Fig. 1, the poisonous gas detecting instrument that is used for chemical laboratory, it comprises gas sensor 1, signal processing circuit 2, controller 3 and display circuit 4, the signal output part of described gas sensor 1 is connected with the signal input part of signal processing circuit 2, and the voltage signal output end of described signal processing circuit 2 is connected with the voltage signal input end of controller 3; The shows signal output terminal of controller 3 is connected with the shows signal input end of display circuit 4.
Embodiment two, this embodiment and the embodiment one described difference that is used for the poisonous gas detecting instrument of chemical laboratory are, it also comprises warning circuit 5, and the alerting signal input end of described warning circuit 5 is connected with the alarm signal output ends of controller 3.
Embodiment three, this embodiment and embodiment one or the two described differences that are used for the poisonous gas detecting instrument of chemical laboratory are, it also comprises remote controlled transmitting circuit 61 and remote-control receiving circuit 62, the remote signal output terminal of described remote-control receiving circuit 62 is connected with the remote signal input end of controller 3, the remote signal transmitting terminal of remote controlled transmitting circuit 61 and remote-control receiving circuit 62 remote signal receiving end wireless connections.
Embodiment four, this embodiment and embodiment one, the two or three described differences that are used for the poisonous gas detecting instrument of chemical laboratory are, it also comprises clock circuit 7, and the clock signal output of clock circuit 7 or input end input or output end with the clock signal of controller 3 and be connected.
Embodiment five, this embodiment and the embodiment four described differences that are used for the poisonous gas detecting instrument of chemical laboratory are, it also comprises power circuit 8, and the power supply signal output terminal of described power circuit 8 is connected with the power supply signal input end of the power supply signal input end of gas sensor 1, signal processing circuit 2, the power supply signal input end of controller 3 and the power supply signal input end of display circuit 4.
In the present embodiment, gas sensor 1 is used for the gas in the laboratory is detected, and the signal that collects is sent in the controller 3 through signal processing circuit 2, and the detection of gas with various can be by changing gas sensor.
Display circuit 4 is used for showing information such as detecting data, systematic parameter, system state, so that data query and system operation;
Warning circuit 5 is used for reporting to the police, and also can add to connect gauge tap and control breadboard ventilation equipment and carry out indoor air-changing;
Remote controlled transmitting circuit 61 and remote controlled transmitting circuit 62 are used for the operation detection instrument and carry out parameter setting and data query;
The advantage of present embodiment: realize the real-time monitoring of chemical laboratory to air quality, safe and reliable, by changing different sensors, can detect multiple harmful gas, CO, NH
3, NO, NO
2Deng having very big advantage in the monitoring of gas and the data acquisition, and can monitor the laboratory control of quality according to the harmful gas threshold values of setting, the intellectuality and the robotization that improve breadboard air administrative can be reported to the police according to air quality and the processing of ventilating automatically.
Embodiment six, this embodiment and embodiment one, two, three, the four or five described differences that are used for the poisonous gas detecting instrument of chemical laboratory are that gas sensor 1 is the CO gas sensor.
Present embodiment can realize the CO gas detection of chemical laboratory.
Embodiment seven, this embodiment and embodiment one, two, three, the four or five described differences that are used for the poisonous gas detecting instrument of chemical laboratory are that gas sensor 1 is NH
3Gas sensor.
Present embodiment can realize the NH of chemical laboratory
3Gas detection.
Embodiment eight, this embodiment and embodiment one, two, three, the four or five described differences that are used for the poisonous gas detecting instrument of chemical laboratory are that gas sensor 1 is the NO gas sensor.
Present embodiment can realize the NO gas detection of chemical laboratory.
Embodiment nine, this embodiment and embodiment one, two, three, the four or five described differences that are used for the poisonous gas detecting instrument of chemical laboratory are that gas sensor 1 is NO
2Gas sensor.
Present embodiment can realize the NO of chemical laboratory
2Gas detection.
The utility model is not limited to the structure that the respective embodiments described above limit, and can also be the reasonable combination of the technical characterictic put down in writing of the respective embodiments described above.
Claims (9)
1. the poisonous gas detecting instrument that is used for chemical laboratory, it is characterized in that: it comprises gas sensor (1), signal processing circuit (2), controller (3) and display circuit (4), the signal output part of described gas sensor (1) is connected with the signal input part of signal processing circuit (2), and the voltage signal output end of described signal processing circuit (2) is connected with the voltage signal input end of controller (3); The shows signal output terminal of controller (3) is connected with the shows signal input end of display circuit (4).
2. the poisonous gas detecting instrument that is used for chemical laboratory according to claim 1 is characterized in that it also comprises warning circuit (5), and the alerting signal input end of described warning circuit (5) is connected with the alarm signal output ends of controller (3).
3. the poisonous gas detecting instrument that is used for chemical laboratory according to claim 2, it is characterized in that it also comprises remote controlled transmitting circuit (61) and remote-control receiving circuit (62), the remote signal output terminal of described remote-control receiving circuit (62) is connected with the remote signal input end of controller (3), the remote signal transmitting terminal of remote controlled transmitting circuit (61) and the wireless connections of remote-control receiving circuit (62) remote signal receiving end.
4. the poisonous gas detecting instrument that is used for chemical laboratory according to claim 3 is characterized in that it also comprises clock circuit (7), and the clock signal output of clock circuit (7) or input end input or output end with the clock signal of controller (3) and be connected.
5. the poisonous gas detecting instrument that is used for chemical laboratory according to claim 4, it is characterized in that it also comprises power circuit (8), the power supply signal output terminal of described power circuit (8) is connected with the power supply signal input end of gas sensor (1), the power supply signal input end of signal processing circuit (2), the power supply signal input end of controller (3) and the power supply signal input end of display circuit (4).
6. according to claim 1,2,3, the 4 or 5 described poisonous gas detecting instruments that are used for chemical laboratory, it is characterized in that gas sensor (1) is the CO gas sensor.
7. according to claim 1,2,3, the 4 or 5 described poisonous gas detecting instruments that are used for chemical laboratory, it is characterized in that gas sensor (1) is NH
3Gas sensor.
8. according to claim 1,2,3, the 4 or 5 described poisonous gas detecting instruments that are used for chemical laboratory, it is characterized in that gas sensor (1) is the NO gas sensor.
9. according to claim 1,2,3, the 4 or 5 described poisonous gas detecting instruments that are used for chemical laboratory, it is characterized in that gas sensor (1) is NO
2Gas sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206275043U CN201876448U (en) | 2010-11-26 | 2010-11-26 | Toxic gas detector for chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206275043U CN201876448U (en) | 2010-11-26 | 2010-11-26 | Toxic gas detector for chemical laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876448U true CN201876448U (en) | 2011-06-22 |
Family
ID=44164364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206275043U Expired - Fee Related CN201876448U (en) | 2010-11-26 | 2010-11-26 | Toxic gas detector for chemical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201876448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015530A1 (en) * | 2012-07-24 | 2014-01-30 | 上海市电力公司 | Automatic detection device for a harmful gas |
| CN104459050A (en) * | 2014-12-11 | 2015-03-25 | 哈尔滨东方报警设备开发有限公司 | Simple gas detector |
-
2010
- 2010-11-26 CN CN2010206275043U patent/CN201876448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015530A1 (en) * | 2012-07-24 | 2014-01-30 | 上海市电力公司 | Automatic detection device for a harmful gas |
| CN104459050A (en) * | 2014-12-11 | 2015-03-25 | 哈尔滨东方报警设备开发有限公司 | Simple gas detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20121126 |