CN203941418U - Fuel gas monitoring system - Google Patents
Fuel gas monitoring system Download PDFInfo
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- CN203941418U CN203941418U CN201420306440.5U CN201420306440U CN203941418U CN 203941418 U CN203941418 U CN 203941418U CN 201420306440 U CN201420306440 U CN 201420306440U CN 203941418 U CN203941418 U CN 203941418U
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Abstract
The utility model provides a kind of fuel gas monitoring system, comprises main control chip, switching value input/output module, gas detector, valve, blower fan and alarm module; The data input/output terminal of main control chip is connected with the data input/output terminal of switching value input/output module, the data output end of gas detector is connected with the data input pin of switching value input/output module, the first relay of switching value input/output module is connected with blower fan, the second relay of switching value input/output module is connected with valve, and the 3rd relay of switching value input/output module is connected with alarm module.The utility model can be realized gas monitoring function, and monitoring precision is high, and can report to the police, open the processing of the walk away safety such as blower fan, cutting-off valve.
Description
Technical field
The utility model relates to a kind of fuel gas monitoring system, belongs to gas monitoring technical field.
Background technology
The monitoring of inflammable gas is one of extremely important link in industry monitoring, and the careless leakage of inflammable gas not only may cause staff poisoning, can cause the blast of burst when serious, and staff's personal safety has been caused to serious threat.
It is large-scale and comparatively complicated that the existing combustible gas monitoring system that is applied to industrial circle is tending towards, conventionally need special staff gas-monitoring concentration value at any time before Control Room computing machine, according to gas concentration value artificially decision-making need to take which kind of measure, once monitoring field generation emergency, only take which kind of measure to be difficult to complete rescue work within the very first time by staff's decision-making, still likely cause the loss of lives and properties.
Utility model content
In view of the foregoing, the purpose of this utility model is to provide a kind of fuel gas monitoring system, can realize gas monitoring function, and monitoring precision is high, and can report to the police, open the processing of the walk away safety such as blower fan, cutting-off valve.
For achieving the above object, the utility model is by the following technical solutions:
Fuel gas monitoring system, comprising:
Main control chip, switching value input/output module, gas detector, valve and blower fan;
The data input/output terminal of this main control chip is connected with the data input/output terminal of this switching value input/output module, the data output end of this gas detector is connected with the data input pin of this switching value input/output module, and the relay output end of this switching value input/output module is connected with this valve, blower fan respectively.
Further,
The serial line interface of described main control chip is connected with the serial line interface of described switching value input/output module, the Chang Kaiduan of the first relay of described switching value input/output module is connected with described blower fan, and the normal-closed end of the second relay of described switching value input/output module is connected with described valve.
System also comprises display module and alarm module, and the data output end of described main control chip is connected with this display module, and the Chang Kaiduan of the 3rd relay of described switching value input/output module is connected with this alarm module.
System also comprises the load module for setting gas concentration threshold value, and the data output end of this load module is connected with the control signal input end of described main control chip.
When the gas data of described gas detector collection arrives a first threshold, described switching value input/output module is connected described the first relay and is opened described blower fan, connects described the 3rd relay simultaneously and starts described alarm module and report to the police.
When the gas data of described gas detector collection arrives a Second Threshold, described switching value input/output module is closed valve described in described the second cut-off, connects described the 3rd relay simultaneously and starts described alarm module and report to the police.
The utility model has the advantage of:
Fuel gas monitoring system of the present utility model, can realize gas monitoring function, and monitoring precision is high, and can report to the police according to gas concentration, open the processing of the walk away safety such as blower fan, cutting-off valve.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit connection schematic diagram of the utility model one specific embodiment.
Fig. 3 is the part-structure schematic diagram of switching value input/output module.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.The disclosed fuel gas monitoring system of the utility model, comprises main control chip 1, switching value input/output module 2, gas detector 3, valve 4, blower fan 5, display module 6 and alarm module 7;
The data input/output terminal of main control chip 1 is connected with the data input/output terminal of switching value input/output module 2, gas detector 3 data output ends are connected with the data input pin of switching value input/output module 2, the relay output end of switching value input/output module 2 is connected with valve 4, blower fan 5, alarm module 7 respectively, and the data output end of main control chip 1 is connected with display module 6.
Fig. 2 is the circuit connection schematic diagram of the utility model one specific embodiment, and Fig. 3 is the part-structure schematic diagram (only showing Liao Yi road relay in figure, in fact You San road relay) of switching value input/output module.As shown in the figure, the serial line interface of main control chip 1 is connected with the serial line interface (A, B) of switching value input/output module 2, the output terminal of gas detector 3 is connected with one of them input end (IN) of switching value input/output module 2, the Chang Kaiduan of the first relay of switching value input/output module 2 is connected with blower fan 5, the normal-closed end of the second relay (not shown) is connected with valve 4, and the Chang Kaiduan of the 3rd relay (not shown) is connected with alarm module 7.
System also comprises load module, the data output end of this load module is connected with the control signal input end of main control chip 1, for setting the threshold value etc. of gas concentration, the gas concentration threshold data of setting is transferred to switching value input/output module 2 by main control chip 1.
Gas detector 3 gathers the data formation such as gas concentration, the kind gas data of surrounding environment, and the gas data of collection is transferred to switching value input/output module 2, switching value input/output module 2 is processed (as analog to digital conversion gas data on the one hand, protocol conversion etc.) be then transferred to main control chip 1 through serial line interface, shown the gas data of collection by display module 6; On the other hand the gas data gathering is processed, then carry out walk away safety processing according to gas data after treatment, in the time that gas concentration arrives first threshold, switching value input/output module 2 is opened blower fan 5 by connecting the first relay, reduce gas concentration by the effect of blower fan 5, by connecting the 3rd relay, start alarm module 7 and vibrate and carry out rudimentary warning by lower frequency simultaneously; In the time that gas concentration arrives Second Threshold, switching value input/output module 2 is by closing the second relay, and valve-off stops carrying gas, by connecting the 3rd relay, starts alarm module 7 and is vibrated and carried out senior warning by upper frequency simultaneously.
In specific embodiment, main control chip can use single-chip microcomputer, and load module can be the device such as keyboard, touch-screen;
Gas detector uses the JTQB-CH-PH02-A point type combustible gas probe of Puhai New Tech Co., Ltd., Tianjin City, it is for detecting the explosion-proof sensor of 0～100%LEL range ability, response time is extremely short, precision is higher, can be used for the severe industrial environment of environment, adopt 24V direct current supply, gas detector carries three seven-segment display digital tubes, can show in real time current gas concentration value by the mode of dynamic scan; By connecting the space sealing of conductor part, ensure that gas detector is subject to the protection of flameproof enclosure and is isolated from the outside by airtight plug; Explosion stack is drawn from airtight consent footpath, and the wire that further isolation is drawn prevents the explosion environment that may the occur threat to data transmission.
Switching value input/output module is used the soar FT-system switching amount input/output module of electronics technology Development Co., Ltd of Beijing grand will.
Fuel gas monitoring system of the present utility model, gather the data such as gas concentration, kind of surrounding environment by gas detector, and by the gas data gathering and the threshold of setting, once gas concentration has exceeded the threshold value of setting, just carry out walk away safety processing by opening the modes such as blower fan, cutting-off valve, warning; The utility model can be realized gas monitoring function, and monitoring precision is higher.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that not deviating from spirit and scope of the present utility model; any apparent change such as equivalent transformation, simple replacement based on technical solutions of the utility model basis, within all belonging to the utility model protection domain.
Claims (6)
1. fuel gas monitoring system, is characterized in that, comprising:
Main control chip, switching value input/output module, gas detector, valve and blower fan;
The data input/output terminal of this main control chip is connected with the data input/output terminal of this switching value input/output module, the data output end of this gas detector is connected with the data input pin of this switching value input/output module, and the relay output end of this switching value input/output module is connected with this valve, blower fan respectively.
2. fuel gas monitoring system as claimed in claim 1, is characterized in that,
The serial line interface of described main control chip is connected with the serial line interface of described switching value input/output module, the Chang Kaiduan of the first relay of described switching value input/output module is connected with described blower fan, and the normal-closed end of the second relay of described switching value input/output module is connected with described valve.
3. fuel gas monitoring system as claimed in claim 2, is characterized in that,
System also comprises display module and alarm module, and the data output end of described main control chip is connected with this display module, and the Chang Kaiduan of the 3rd relay of described switching value input/output module is connected with this alarm module.
4. fuel gas monitoring system as claimed in claim 3, is characterized in that,
System also comprises the load module for setting gas concentration threshold value, and the data output end of this load module is connected with the control signal input end of described main control chip.
5. fuel gas monitoring system as claimed in claim 4, is characterized in that,
When the gas data of described gas detector collection arrives a first threshold, described switching value input/output module is connected described the first relay and is opened described blower fan, connects described the 3rd relay simultaneously and starts described alarm module and report to the police.
6. fuel gas monitoring system as claimed in claim 5, is characterized in that,
When the gas data of described gas detector collection arrives a Second Threshold, described switching value input/output module is closed valve described in described the second cut-off, connects described the 3rd relay simultaneously and starts described alarm module and report to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420306440.5U CN203941418U (en) | 2013-12-04 | 2014-06-10 | Fuel gas monitoring system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320797042.3 | 2013-12-04 | ||
| CN201320797042 | 2013-12-04 | ||
| CN201420306440.5U CN203941418U (en) | 2013-12-04 | 2014-06-10 | Fuel gas monitoring system |
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| Publication Number | Publication Date |
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| CN203941418U true CN203941418U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420306440.5U Active CN203941418U (en) | 2013-12-04 | 2014-06-10 | Fuel gas monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715584A (en) * | 2015-01-21 | 2015-06-17 | 安徽师范大学 | Gas alarm device |
| CN107102594A (en) * | 2017-06-22 | 2017-08-29 | 四川云达科技有限公司 | A kind of air supply system of network remote control |
-
2014
- 2014-06-10 CN CN201420306440.5U patent/CN203941418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715584A (en) * | 2015-01-21 | 2015-06-17 | 安徽师范大学 | Gas alarm device |
| CN107102594A (en) * | 2017-06-22 | 2017-08-29 | 四川云达科技有限公司 | A kind of air supply system of network remote control |
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