CN209625405U - A kind of gas leakage detection warning instrument - Google Patents
A kind of gas leakage detection warning instrument Download PDFInfo
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- CN209625405U CN209625405U CN201920371545.1U CN201920371545U CN209625405U CN 209625405 U CN209625405 U CN 209625405U CN 201920371545 U CN201920371545 U CN 201920371545U CN 209625405 U CN209625405 U CN 209625405U
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Abstract
The utility model discloses be equipped with gas leakage in a kind of gas leakage detection warning instrument, including casing and casing to detect alarm system；Gas leakage detection alarm system includes infrared sensor, control processing module, signal processing module, sound and light alarm module and signal output module；Infrared sensor detects the hydrocarbon class fuel gas of site environment by the principle of absorption of infrared light sources；The gas concentration information that control processing module will test is transferred to signal processing module, after the data processing that signal processing module receives, is operated according to different signal contents to driving circuit, carries out status display by sound and light alarm module；Signal output module is communicated wirelessly with host computer, by on-site test to gas concentration and situation of change pass to master system.Safe early warning protection can also be revealed the equipment Retarder theory such as pipeline and be provided when largely leaking to the utility model in addition to can be to flammable/toxic gas leakage alarm.
Description
Technical field
The utility model relates to a kind of gas alarms, and in particular to a kind of flammable/toxic air alarm device.
Background technique
At present in industry combustible and poisonous gas alarm used only when detected gas concentration index reaches setting value
It just carries out alarming and output signal carries out the equipment such as chain blower.Detected gas concentration refers in industrial production and daily life
Mark all floats below safety value under normal circumstances, and only when the equipment such as pipeline leak, gas concentration just can be more than safety
Value.And it is this leakage it is sometimes slow, especially in the environment of relative closure, since air flow property is poor, gas concentration
Index can gradually rise, and traditional gas alarm not will call the police before concentration index reaches setting alarming value, due to leak point
In the presence of because this concentration index can gradually rise and be finally reached alarming value the reason of environment.Traditional gas alarm at this time
Alarm signal and chain blower can be issued, or even shuts down equipment, maintenance personal can just reach existing when only alarm issues alarm
Field carries out repairing recovery to leakage point.This repairing is passivity, if certain industrial equipments are chain shut down after can to production
Cause very huge economic loss.When a large amount of leakages occurs in combustible and poisonous gas, toxic gas can be with wind direction and Diffusion of gas stream
To other region, only when toxic gas reaches a certain region and concentration index is exceeded, traditional gas alarm just will call the police and mention
It wakes up, can not accomplish to alarm in advance and evacuates staff in time, it is difficult to operating personnel's body be avoided to be damaged by toxic gas.
Summary of the invention
The utility model provides a kind of gas leakage detection warning instrument, can pass through detected gas concentration or corresponding finger
Target variation tendency alarm and flammable/toxic gas of intellectual analysis anticipation.
The utility model is realized by following technical scheme:
Gas leakage, which is equipped with, in a kind of gas leakage detection warning instrument, including casing and casing detects alarm system；
The gas leakage detection alarm system includes infrared sensor, control processing module, power module and signal output module；Institute
The arrival end that infrared sensor is mounted on casing lower part is stated, the carbon of site environment is detected by the principle of absorption of infrared light sources
Hydrogen species fuel gas；The input terminal of the control processing module is connected with infrared sensor, power module, and the control handles mould
The output end of block is connected with signal output module；The gas concentration information that control processing module will test is transferred to signal output
Module, the signal output module by on-site test to gas concentration and situation of change show.
It further, further include sound and light alarm module, sound and light alarm module includes that buzzer, multiple indicator lights and LED are shown
Screen；The LED display is mounted on the front end of casing, and is packaged by cloche；The multiple indicator light includes just
Normal indicator light, malfunction indicator lamp and alarm lamp, the normal indicator light, malfunction indicator lamp and alarm lamp are installed respectively
Casing front end and be located at below LED display, and be packaged by cloche；The buzzer is mounted on casing
It is interior.
Further, the control processing module is packaged into one and is inserted pattern block and connected based on micro-chip processor
On the circuit board of standard.
Further, the micro-chip processor uses PIC24HJ64GP204 single-chip microcontroller.
Further, the infrared sensor uses MSHia-P/HRP/5VP cake core.
Further, the power module includes TC1185-3.3V linear regulator chip, with MSHia-P/HRP/5VP type
Chip is connected, for providing direct current 3.3V voltage for it.
Further, the signal output module includes relay module, and the relay module is connected with blower, the control
Processing module control relay module output on-off model processed is to control blower start and stop.
Further, the signal output module includes sound and light alarm module, and the control processing module controls sound-light alarm
Module exports sound and light signal, is used for warning reminding.
Further, the signal output module includes host computer and RS-485 communication interface；Control processing module with it is upper
Machine communicates wirelessly, by on-site test to gas concentration and situation of change pass to master system.
The utility model the utility model has the advantages that
In real time acquisition, intellectual analysis function: in real time acquisition area to be monitored combustible and poisonous gas concentration, by it is different when
Between section gas concentration data value recorded, compared after, obtain gas concentration future trends in area to be monitored；
Increase master system: showing gas concentration variation tendency in different time periods, a certain zone gas is occurred big
When amount leakage, by carrying out Intelligent treatment to parameters such as collected wind-force, wind direction, gas densities, show that gas will be spread
Regional scope and shown, facilitate staff understand area to be monitored in gas concentration situation of change, to look into advance
It looks for leakage point and excludes hidden danger and valuable foundation is provided.
Detailed description of the invention
Fig. 1 is that the gas leakage of the utility model detects warning instrument main view；
Fig. 2 is that the gas leakage of the utility model detects warning instrument side view cutaway drawing；
Fig. 3 is the control principle of the utility model；
Fig. 4 is the circuit diagram of the utility model.
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.The embodiments of the present invention are described in detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in a kind of gas leakage detection warning instrument, including casing 10 and casing 10
Alarm system is detected equipped with gas leakage；
The gas leakage detection alarm system includes infrared sensor 20, control processing module 30,40 and of power module
Signal output module；The infrared sensor 20 is mounted on the arrival end of 10 lower part of casing, former by the absorption of infrared light sources
It manages to detect the hydrocarbon class fuel gas of site environment；The input terminal and infrared sensor 20, electricity of the control processing module 30
Source module 40 is connected, and the output end of the control processing module 30 is connected with signal output module；Controlling processing module 30 will examine
The gas concentration information measured is transferred to signal output module, gas concentration that the signal output module arrives on-site test and
Situation of change is shown.
It should be noted that control processing module 30 based on micro-chip processor, is packaged into one and inserts pattern block simultaneously
It is connected on the circuit board 60 of standard.Micro-chip processor uses PIC24HJ64GP204 single-chip microcontroller.
Signal output module provides three kinds of different way of outputs: analog signal 4 ~ 20mA direct current；RS-485 communication connects
Mouth and relay export on-off model.It is communicated wirelessly with host computer, the gas concentration and variation feelings that on-site test is arrived
Condition passes to master system.Output signal is 4 ~ 20mA linear analog signal relevant to investigative range.There are also two for simulation output
A other functions.First, when entering calibration menu, 4 ~ 20mA signal can be down to 2mA.The low current can remain to sensor and return
Normal operating conditions are arrived again.Second, once error, 4 ~ 20mA signal can be down to 0mA, it is extensive that this situation will remain to error status
It is multiple normal.The variation of these output signals can be used to identify and record the working condition of sensor by external equipment.
With continued reference to shown in Fig. 1, Fig. 2, sound and light alarm module 50 includes buzzer, multiple indicator lights 70 and LED display
80；LED display 80 is mounted on the front end of casing 10, and is packaged by cloche 90；Multiple indicator lights 70 include just
Normal indicator light, malfunction indicator lamp and alarm lamp, normal indicator light, malfunction indicator lamp and alarm lamp are separately mounted to machine
The front end of shell 10 and it is located at the lower section of LED display 80, and is packaged by cloche 90；Buzzer is mounted on casing 10
It is interior.
It should be noted that signal processing module and control processing module 30 carry out 232 and communicate, the data that will be received,
After calculation process, driving circuit is operated according to different signal contents, make sound and light alarm module 50 show alarm condition,
Malfunction, normal condition.
Alarm condition: detect that gas concentration is more than alarming value, alarm lamp is displayed in red, and LED display shows dense
Spend value range, audible alarm.
Malfunction: microprocessor error, infrared light supply error, signal parameter error etc., malfunction indicator lamp is displayed in red,
LED display shows malfunction, and carries out audible alarm.
Normal condition: gas concentration is in range, normal condition indicator light display green.LED display shows normal work
Make state.
Can to sum up obtain, the utility model be it is a kind of can by the variation tendency of detected gas concentration or corresponding index into
Flammable/toxic air alarm device of row alarm and intellectual analysis anticipation.Product is to real-time collected gas in the utility model
Concentration data carries out intellectual analysis, real-time display gas index value, when flammable/toxic gas index reaches Danger Indexes except hair
Out outside sound-light alarm, can also to gas concentration index in not up to alarming index, can according to the fluctuation tendency of gas concentration into
Row analysis processing is made reasonable, correct anticipation to the future development variation of gas concentration index, while being reached in gas concentration
After alarming index, intellectual analysis can be carried out to parameters such as live wind direction, wind-force, the region that gas may be diffused into carries out
Anticipation, and shown regional scope by host computer.This product is in addition to can be to flammable/toxic gas leakage alarm, also
It can reveal the equipment Retarder theory such as pipeline and provide when largely leaking safe early warning protection.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (9)
1. a kind of gas leakage detects warning instrument, it is characterised in that: detected including being equipped with gas leakage in casing and casing
Alarm system；
The gas leakage detection alarm system includes infrared sensor, control processing module, power module and signal output mould
Block；
The infrared sensor is mounted on the arrival end of casing lower part, and live ring is detected by the principle of absorption of infrared light sources
The hydrocarbon class fuel gas in border；
The input terminal of the control processing module is connected with infrared sensor, power module, the output of the control processing module
End is connected with signal output module；
The gas concentration information that control processing module will test is transferred to signal output module, and the signal output module will show
Field detecting to gas concentration and situation of change shown.
2. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: further include sound-light alarm mould
Block, the sound and light alarm module include buzzer, multiple indicator lights and LED display；
The LED display is mounted on the front end of casing, and is packaged by cloche；The multiple indicator light includes just
Normal indicator light, malfunction indicator lamp and alarm lamp, the normal indicator light, malfunction indicator lamp and alarm lamp are installed respectively
Casing front end and be located at below LED display, and be packaged by cloche；The buzzer is mounted on casing
It is interior.
3. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: the control processing module
Based on micro-chip processor, it is packaged into one and inserts pattern block and be connected on the circuit board of standard.
4. a kind of gas leakage according to claim 3 detects warning instrument, it is characterised in that: the micro-chip processor is adopted
With PIC24HJ64GP204 single-chip microcontroller.
5. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: the infrared sensor is adopted
With MSHia-P/HRP/5VP cake core.
6. a kind of gas leakage according to claim 5 detects warning instrument, it is characterised in that: the power module includes
TC1185-3.3V linear regulator chip is connected with MSHia-P/HRP/5VP cake core, for providing direct current 3.3V electricity for it
Pressure.
7. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: the signal output module
Including relay module, the relay module is connected with blower, and the control processing module control relay module output is opened
Signal is measured to control blower start and stop in pass.
8. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: the signal output module
Including sound and light alarm module, the control processing module control sound and light alarm module exports sound and light signal, is used for warning reminding.
9. a kind of gas leakage according to claim 1 detects warning instrument, it is characterised in that: the signal output module
Including host computer and RS-485 communication interface；Control processing module is communicated wirelessly with host computer, the gas that on-site test is arrived
Bulk concentration and situation of change pass to master system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371545.1U CN209625405U (en) | 2019-03-22 | 2019-03-22 | A kind of gas leakage detection warning instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920371545.1U CN209625405U (en) | 2019-03-22 | 2019-03-22 | A kind of gas leakage detection warning instrument |
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| Publication Number | Publication Date |
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| CN209625405U true CN209625405U (en) | 2019-11-12 |
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| CN201920371545.1U Active CN209625405U (en) | 2019-03-22 | 2019-03-22 | A kind of gas leakage detection warning instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929268A (en) * | 2020-08-15 | 2020-11-13 | 新疆新业能源化工有限责任公司 | Gas leakage monitoring device and positioning method for reaction kettle |
| CN114439405A (en) * | 2022-01-22 | 2022-05-06 | 北京石油机械有限公司 | Fault monitoring method, device, equipment and medium for blowout preventer control device |
-
2019
- 2019-03-22 CN CN201920371545.1U patent/CN209625405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111929268A (en) * | 2020-08-15 | 2020-11-13 | 新疆新业能源化工有限责任公司 | Gas leakage monitoring device and positioning method for reaction kettle |
| CN114439405A (en) * | 2022-01-22 | 2022-05-06 | 北京石油机械有限公司 | Fault monitoring method, device, equipment and medium for blowout preventer control device |
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