CN203276499U - Anti-poison and anti-explosion remote monitoring device - Google Patents

Anti-poison and anti-explosion remote monitoring device Download PDF

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Publication number
CN203276499U
CN203276499U CN 201320306363 CN201320306363U CN203276499U CN 203276499 U CN203276499 U CN 203276499U CN 201320306363 CN201320306363 CN 201320306363 CN 201320306363 U CN201320306363 U CN 201320306363U CN 203276499 U CN203276499 U CN 203276499U
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Prior art keywords
module
gas
signal
processing module
explosion
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CN 201320306363
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徐俊
丁钢
邹红
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Wuhan Iron Steel Engineering Technology Group Automation Co ltd
Wuhan Iron and Steel Group Corp
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Wuhan Iron Steel Engineering Technology Group Automation Co ltd
Wuhan Iron and Steel Group Corp
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Abstract

The utility model relates to the field of the security protection technology, in particular to an anti-poison and anti-explosion remote monitoring device. The anti-poison and anti-explosion remote monitoring device comprises a processing module, a human body sensing module, a combustible gas sensing module, a toxic gas sensing module, an analog-to-digital conversion module, a digital-to-analog conversion module, an amplification output module and a display module; the human body sensing module, the combustible gas sensing module, the toxic gas sensing module, the digital-to-analog conversion module and the analog-to-digital conversion module are separately connected with the processing module; and the display module is connected with the digital-to-analog conversion module via the amplification output module. The anti-poison and anti-explosion remote monitoring device is capable of achieving remote monitoring for a danger area via the processing module, and timely sending a signal so as to allow a worker in a main control room to know the situation of the danger area, so effective security protection measures are timely taken, and personal security is ensured.

Description

A kind of gas defence explosion-proof remote supervising device
Technical field
The utility model relates to safety protection technique field, particularly a kind of gas defence explosion-proof remote supervising device.
Background technology
Existing warning device as portable gas leak detector, can be carried, but existence forgets that because of the operating personnel wearing gas leak detector enters the casualty accident that cause the hazardous location.Present a lot of industrial factories and miness dangerous perform region all, these dangerous works zones are all or the existence that poison gas is arranged or combustible gas is arranged.But currently used safety feature; as gas leak detector; can only send early warning signal to the litigant; the supervisor can't learn personnel's situation of hazardous location work this moment; the supervisor can not in time send signal and learn the situation of hazardous location by staff in master-control room; thereby can not in time take effective safety precautions, guarantee personal safety.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of can the monitoring personnel's situation, toxic gas and the explosion hazard gases of hazardous location, and then can take the gas defence explosion-proof remote supervising device of effective and safe safeguard measure.
For solving the problems of the technologies described above, the utility model provides a kind of gas defence explosion-proof remote supervising device, comprising: processing module, human body induction module, combustible gas sensing module, toxic gas induction module, analog-to-digital conversion module, D/A converter module, amplification output module and display module.Described human body induction module, combustible gas sensing module, toxic gas induction module, D/A converter module and analog-to-digital conversion module are connected with described processing module respectively, described human body induction module is sent to described processing module with the human body signal of sensing and processes, and described combustible gas sensing module and described toxic gas induction module are passed to described processing module with the signal of sensing and process after described analog-to-digital conversion module carries out analog to digital conversion.Described display module is connected with described D/A converter module by described amplification output module, signal after described processing module is processed carries out digital-to-analog conversion and described amplification output module through described D/A converter module successively and carries out signal and amplify, and the signal after amplifying is sent to described display module and shows.
Further, also comprise photoelectricity isolation output module and alarm module.Described alarm module is connected with described processing module by described photoelectricity isolation output module, and the alerting signal that described processing module is sent is sent to described alarm module through described photoelectric isolation module and reports to the police.
Further, described human body induction module comprises pyroelectric infrared sensor and BISS0001 chip.Described pyroelectric infrared sensor is connected with described processing module by described BIS0001 chip, and pyroelectric infrared sensor is surveyed human body signal, and described human body signal is sent to described processor processes after described BIS0001 chip amplifies.
Further, described combustible gas sensing module comprises gas sensor and the first voltage amplifier circuit.Described gas sensor is connected with described processing module by described the first amplifying circuit, described gas sensor gathers the inflammable gas signal, and will describedly have flammable body signal to be sent to described processing module after described the first voltage amplifier circuit amplification to process.
Further, described toxic gas induction module comprises formaldehyde gas detecting sensor and second voltage amplifying circuit.Described formaldehyde gas detecting sensor is connected with described processing module by described second voltage amplifying circuit, described formaldehyde gas detecting sensor gathers the toxic gas signal, and described toxic gas signal is sent to described processing module processes after described second voltage amplifying circuit amplifies.
Further, also comprise the running status indicating module; Described running status indicating module is connected with described processing module, and whether described running status indicating module is used for monitoring described processing module and works.
Further, described processing module adopts microprocessor.
Further, described display module adopts PLC, single-chip microcomputer, code translator or 12864 screens.
the gas defence explosion-proof remote supervising device that the utility model provides, can survey the personal information of hazardous location by human body induction module, by combustible gas sensing module, the explosion hazard gases of hazardous location is surveyed, by the toxic gas induction module, the toxic gas of hazardous location is surveyed, and the information of surveying is sent to processing module, by processing module, remote monitoring is realized in the hazardous location, and in time send signal and learn the situation of hazardous location by the staff of master-control room, thereby in time take effective safety precautions, ensured personal safety.
Description of drawings
The gas defence explosion-proof remote supervising device structural representation that Fig. 1 provides for the utility model embodiment.
The gas defence explosion-protection equipment signal flow graph that Fig. 2 provides for the utility model embodiment.
Embodiment
Referring to Fig. 1, the utility model embodiment provides a kind of gas defence explosion-proof remote supervising device, comprises processing module, human body induction module (comprising pyroelectric infrared sensor and BISS0001 chip), combustible gas sensing module (comprising gas sensor and the first voltage amplifier circuit), toxic gas induction module (formaldehyde gas detecting sensor and second voltage amplifying circuit), analog-to-digital conversion module, D/A converter module, amplification output module, running status indicating module, photoelectricity isolation output module, display module and alarm module.Pyroelectric infrared sensor is connected with processor module by the BISS0001 chip.Gas sensor is connected with processing module by the first amplifying circuit.The formaldehyde gas detecting sensor is by the territory processing module connection of second voltage amplifying circuit.Analog-to-digital conversion module, D/A converter module, photoelectricity isolation output module, running status indicating module and alarm module are connected with processing module respectively.Display module is connected with D/A converter module by amplifying output module.In the utility model embodiment, the first amplifying circuit, the second amplifying circuit and amplification output module all adopt the LM358 chip, analog-to-digital conversion module adopts the ADC0809 chip, D/A converter module adopts the DAC0832 chip, display module adopts PLC, single-chip microcomputer, code translator or 12864 screens, alarm module adopts the LED lamp, and processing module adopts microprocessor.
Referring to Fig. 2, the principle of work of the gas defence explosion-proof remote supervising device that the utility model embodiment provides is as follows: pyroelectric infrared sensor, combustible gas sensing module and toxic gas induction module are placed on the hazardous location.When there is the people hazardous location, pyroelectric infrared sensor sends alerting signal by infrared acquisition after human body, and by the BISS0001 chip, infra-red heat is tried the alerting signal that electric transducer detects and amplify, and the alerting signal after amplifying is sent to microprocessor, microprocessor sends instruction to display module (as PLC) after receiving alerting signal, shows that on PLC there is the people hazardous location.When the hazardous location has poisonous gas (as formaldehyde), after the formaldehyde gas detecting sensor detects toxic gas, send electric signal and (be other electric signal of difference, this electric signal is called the first electric signal) be sent to the first amplifying circuit, be sent to analog-to-digital conversion module (being the ADC0809 chip) after the first electric signal that the first amplifying circuit will receive amplifies and carry out analog to digital conversion, convert the first electric signal to digital pulse signal (for other pulse signal of difference, this pulse signal being called the first digital pulse signal).The first digital pulse signal is sent to microprocessor, send 8 bits by actual value after microprocessor is processed the first digital pulse signal and carry out digital-to-analog conversion to D/A converter module (being the DCA0832 chip), and the simulating signal that obtains is exported to display module (as PLC) through amplifying output module (LM358 chip), PLC obtains the voltage signal of 0~10V for the concentration that shows poisonous gas (as formaldehyde).When inflammable gas appears in the hazardous location, after gas sensor detects inflammable gas, send electric signal and (be other electric signal of difference, this electric signal is called the second electric signal) be sent to the second amplifying circuit, be sent to analog-to-digital conversion module (being the ADC0809 chip) after the second electric signal that the second amplifying circuit will receive amplifies and carry out analog to digital conversion, convert the second electric signal to digital pulse signal (for other pulse signal of difference, this pulse signal being called the second digital pulse signal).The second digital pulse signal is sent to microprocessor, send 8 bits by actual value after microprocessor is processed the second digital pulse signal and carry out digital-to-analog conversion to D/A converter module (being the DCA0832 chip), and the simulating signal that obtains is exported to display module (as PLC) through amplifying output module (being the LM358 chip), PLC obtains the voltage signal of 0~10V for the concentration that shows inflammable gas.In actual applications, be set with the alarm threshold value of poisonous gas and inflammable gas in can microprocessor, when the toxic gas of monitoring or inflammable gas when reaching threshold value, microprocessor sends the switching value digital signal isolates output module (as optical coupler) through photoelectricity and is sent to alarm module (being the LED lamp) and reports to the police.Whether the running status indicating module is used for monitor processing module and works.
The utility model embodiment has following beneficial effect:
1, can realize remote monitoring to the hazardous location by microprocessor, and in time send signal and learn the situation of hazardous location by the staff of master-control room, thereby in time take effective safety precautions, ensure personal safety.
2, simple in structure, install easily, compatible all kinds of automation control systems (as just fully compatible in industrial PLC), cost is lower simultaneously, has characteristics safe and reliable, that be easy to realize, is convenient to promote the use of.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (8)

1. a gas defence explosion-proof remote supervising device, is characterized in that, comprising: processing module, human body induction module, combustible gas sensing module, toxic gas induction module, analog-to-digital conversion module, D/A converter module, amplification output module and display module;
Described human body induction module, combustible gas sensing module, toxic gas induction module, D/A converter module and analog-to-digital conversion module are connected with described processing module respectively, described human body induction module is sent to described processing module with the human body signal of sensing and processes, and described combustible gas sensing module and described toxic gas induction module are passed to described processing module with the signal of sensing and process after described analog-to-digital conversion module carries out analog to digital conversion;
Described display module is connected with described D/A converter module by described amplification output module, signal after described processing module is processed carries out digital-to-analog conversion and described amplification output module through described D/A converter module successively and carries out signal and amplify, and the signal after amplifying is sent to described display module and shows.
2. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, also comprises photoelectricity isolation output module and alarm module;
Described alarm module is connected with described processing module by described photoelectricity isolation output module, and the alerting signal that described processing module is sent is sent to described alarm module through described photoelectric isolation module and reports to the police.
3. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, described human body induction module comprises pyroelectric infrared sensor and BISS0001 chip;
Described pyroelectric infrared sensor is connected with described processing module by described BIS0001 chip, and described pyroelectric infrared sensor is surveyed human body signal, and described human body signal is sent to described processor processes after described BIS0001 chip amplifies.
4. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that described combustible gas sensing module comprises gas sensor and the first voltage amplifier circuit;
Described gas sensor is connected with described processing module by described the first amplifying circuit, described gas sensor gathers the inflammable gas signal, and will describedly have flammable body signal to be sent to described processing module after described the first voltage amplifier circuit amplification to process.
5. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, described toxic gas induction module comprises formaldehyde gas detecting sensor and second voltage amplifying circuit;
Described formaldehyde gas detecting sensor is connected with described processing module by described second voltage amplifying circuit, described formaldehyde gas detecting sensor gathers the toxic gas signal, and described toxic gas signal is sent to described processing module processes after described second voltage amplifying circuit amplifies.
6. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, also comprises the running status indicating module; Described running status indicating module is connected with described processing module, and whether described running status indicating module is used for monitoring described processing module and works.
7. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, described processing module adopts microprocessor.
8. gas defence explosion-proof remote supervising device according to claim 1, is characterized in that, described display module adopts PLC, single-chip microcomputer, code translator or 12864 screens.
CN 201320306363 2013-05-30 2013-05-30 Anti-poison and anti-explosion remote monitoring device Expired - Fee Related CN203276499U (en)

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Application Number Priority Date Filing Date Title
CN 201320306363 CN203276499U (en) 2013-05-30 2013-05-30 Anti-poison and anti-explosion remote monitoring device

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Application Number Priority Date Filing Date Title
CN 201320306363 CN203276499U (en) 2013-05-30 2013-05-30 Anti-poison and anti-explosion remote monitoring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104574785A (en) * 2014-12-24 2015-04-29 安徽泓光网络工程有限公司 Combustible gas remote monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104574785A (en) * 2014-12-24 2015-04-29 安徽泓光网络工程有限公司 Combustible gas remote monitoring system

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Granted publication date: 20131106

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