CN209690223U - A kind of fixed combustible gas detector - Google Patents
A kind of fixed combustible gas detector Download PDFInfo
- Publication number
- CN209690223U CN209690223U CN201920484986.2U CN201920484986U CN209690223U CN 209690223 U CN209690223 U CN 209690223U CN 201920484986 U CN201920484986 U CN 201920484986U CN 209690223 U CN209690223 U CN 209690223U
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- China
- Prior art keywords
- shell
- combustible gas
- main control
- control chip
- gas detector
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Abstract
The utility model discloses a kind of fixed combustible gas detectors, including shell, air inlet pipe, alarm, liquid crystal display, fixed bracket and the power interface being set on shell, the filter device being set in air inlet pipe, it is set to the intracorporal suction unit of shell, reaction chamber and main control chip, and is set to the indoor gas sensor of reaction chamber.The suction that the utility model passes through suction unit, and by the filtering of filter device, into in reaction chamber, the temperature of gas sensor is increased, to make its resistance change, and converts electric signal for the variation of resistance value, it is shown by liquid crystal display, meanwhile making alarm connection that alarm sound and light occur, improve the detection range and detection sensitivity of combustible gas detector.
Description
Technical field
The utility model relates to gas-detecting device technical fields, and in particular to a kind of fixed combustible gas detector.
Background technique
Fuel gas is the substance for referring to ignite and be at normal temperatures and pressures gaseous state.Such as hydrogen, acetylene, second
Alkene, ammonia, hydrogen sulfide etc..A kind of fuel gas of component claims pure gas；The mixture of two or more fuel gas claims
Mixed combustible gas body.Imflammable gas mixes according to a certain percentage in corresponding combustion-supporting medium, under incendiary source effect,
It can cause to burn or explode.It can be caused flammable because of the volatilization or leakage of gas at oil vapor treatment station or production scene
The aggregation of gas, meanwhile, there is also a large amount of combustion oxygens in air, once burning even explosion will be generated by encountering fire source
Risk.Therefore, the timely detection and discovery of fuel gas is the primary work for administering fuel gas hidden danger, fuel gas detection
Instrument, needing detected gas to carry out adequately displacement when detection can just have with the sufficient haptoreaction of gas sensor
Effect detect, and existing detecting instrument does not aspirate displacement apparatus, and tested gas needs the regular hour in displacement, makes
There is certain delay when at detection, causes the detection sensitivity of fuel gas not high, it is understood that there may be cannot detect in time flammable
Therefore the case where gas, designs one kind and is quick on the draw, can detect the fuel gas detection detection of detection combustable gas concentration in time
Instrument is just particularly important.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of fixed combustible gas detector, combustible gas is promoted
The sensitivity that physical examination is surveyed, improves its detection efficiency at the time needed for reducing gas detection.
To achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of fixed combustible gas detector, including shell, the air inlet pipe being set on the shell are set to described
Filter device in air inlet pipe is set to the suction unit being connected in the shell and with the air inlet pipe, is set to described
The reaction chamber being connected in shell and with the outlet of the suction unit, is set to the indoor gas sensor of the reaction chamber,
Be set to the resistance meter being connected in the shell and with the gas sensor, be set to the shell it is interior and with the electricity
The connected main control chip of tester is hindered, the alarm for being set on the shell and being electrically connected with the main control chip, setting
In the liquid crystal display being electrically connected on the housing exterior walls and with the main control chip, it is set on the shell for fixing
The fixation bracket of the shell, and the power interface for external power supply.
Preferably, the main control chip is single-chip microcontroller main control chip.
Further, in order to timely and effectively realize that combustible gas detector data information detected can be transmitted timely
It is additionally provided in the shell and is electrically connected with the main control chip so as to the emergency response speed for the personnel of improving to control centre
Signal receive transmitter.
Preferably, in order to realize that the dual-alarm of vision and the sense of hearing prompts, the alarm is combined aural and visual alarm.
Preferably, the fixed bracket is distributed on the shell there are three settings.
Preferably, in order to facilitate the maintenance and maintenance of enclosure interior component, the shell is by two symmetrical upper covers
It is constituted with lower cover sealed connection, and the part that upper cover and lower cover are connected is equipped with sealing ring mounting groove.
Compared with prior art, the utility model has the following beneficial effects:
(1) for the utility model by the suction unit of setting, the gas sucking that can rapidly will test surrounding equipment can
It fires in gas detecting instrument, improves the contact velocity of fuel gas Yu instrument internal detection device, to improve instrument detection
Sensitivity.
(2) air inlet pipe of the utility model is equipped with filter device, can effectively filter the gas of sucking detecting instrument,
It prevents the solid impurity for being inhaled into gas from polluting to the detecting element inside detecting instrument, improves combustible gas detector
Detection accuracy and detection sensitivity.
(3) reaction chamber set by the utility model can effectively guarantee the gas being inhaled into and gas sensor
Sufficiently effective contact, to guarantee the detection accuracy of combustible gas detector.
(4) signal set by the utility model, which receives transmitter, effectively to detect number detected for fuel gas
According to being timely transmitted to external control centre, control centre can monitor at any time fuel gas containing numerical quantity, facilitate to can
The real time monitoring of combustion gas body improves the efficiency of subsequent emergency disposal.
(5) shell of the utility model is constituted using two symmetrical cavity sealed connections, can be convenient in shell
The installation of component also facilitates maintenance and maintenance to component in shell, improves the use of combustible gas detector device
Service life.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model principle control block diagram.
Wherein, the corresponding title of appended drawing reference are as follows:
1- shell, 2- air inlet pipe, 3- filter device, 4- suction unit, 5- reaction chamber, 6- gas sensor, 7- resistance
Tester, 8- signal receive transmitter, 9- main control chip, 10- alarm, the fixed bracket of 11-, 12- power interface.
Specific embodiment
The utility model is described in further detail with embodiment for explanation with reference to the accompanying drawing, and the mode of the utility model includes
But it is not limited only to following embodiment.
As shown in Fig. 1~2:
A kind of fixed combustible gas detector, including shell 1, the air inlet pipe 2 being set on the shell 1, are set to
Filter device 3 in the air inlet pipe 2, filter device can effectively filter the intracorporal solid impurity of tested gas, prevent from detecting
The attachment of testing element solid matter and pollution in instrument, guarantee the cleanliness of tested gas, improve detecting instrument precision and
Measurement sensitivity.
The suction unit 4 being connected with the air inlet pipe 2 is provided in the shell 1, suction unit can use small
The pump of power or the device of fan class, improve the intake velocity and air inflow of combustible gas detector, are conducive to improve flammable
The detection speed and accuracy of gas detecting instrument.
The reaction chamber 5 that the outlet with the suction unit 4 is connected, the reaction chamber 5 are additionally provided in the shell 1
It is inside provided with gas sensor 6, the resistance meter 7 being connected with the gas sensor 6 is connected with the resistance meter 7
Main control chip 9, reaction chamber 5 is equipped with convenient for carrying out the air outlet of circulating ventilation with ambient atmos, and suction unit is by tested gas
In the timely sucting reaction chamber of body, and the gas in reaction chamber is subjected to sufficiently effective displacement, reaction chamber is caused to provide
Detection gas and the sufficiently effective reaction compartment of gas sensor are inhaled into, ensure that the accurate of combustible gas detector detection
Property.
The alarm 10 and liquid crystal display being electrically connected with the main control chip 9, Yi Jiyong are provided on the shell 1
In the fixation bracket 11 of the fixation shell 1 and for the power interface 12 of external power supply, in order to realize the rapid report of alarm
Alert and liquid crystal display normal display, and manufacturing cost is controlled to the greatest extent, the main control chip 9 is preferably single-chip microcontroller
Main control chip, while in order to realize vision and double warning effect acoustically, the alarm 10 is combined aural and visual alarm.
In order to improve the stability maintenance of combustible gas detector, the fixed bracket 11 is distributed on the shell 1 and sets
There are three setting.
In order to timely and effectively realize that combustible gas detector data information detected can be timely sent in control
The heart is additionally provided with the signal being electrically connected with the main control chip 9 so as to the emergency response speed for the personnel of improving in the shell 1
Receive transmitter 8.
For the ease of the maintenance and repair of enclosure interior component, the shell 1 is by two symmetrical upper covers and lower cover
Sealed connection is constituted, and the part that upper cover and lower cover are connected is equipped with sealing ring mounting groove.It is loaded onto sealing ring mounting groove close
Seal, and upper cover and lower cover are attached fixation by way of screw, when needing repair and maintenance, screw only need to be unclamped, point
Opening upper cover and lower cover can make the inside component display (as shown in Figure 1, the figure opens the structural schematic diagram after upper cover),
Greatly facilitate the maintenance of personnel.
The utility model is to the improvement in its structure, and used electronic device and chip are the prior art, no longer
It repeats.
The testing principle of the utility model:
It is dirty to remove solid therein by the suction of suction unit, and by the filtering of filter device for detected gas
Object is contaminated, into reaction chamber, fuel gas carries out catalytic chemistry reaction in reaction chamber, to make the temperature of gas sensor
Degree increases, and temperature, which increases, causes the variation of its resistance, the variation size of resistance meter real-time detection resistance, and resistance value is big
Small variable signal feeds back to main control chip and is shown by liquid crystal display, meanwhile, so that alarm connection is alarmed
Sound and light receive transmitter also by signal, will test data and be sent to control centre, so as to timely emergency disposal.
Above-described embodiment is only one of preferred embodiments of the present invention, should not be taken to limit the utility model
Protection scope, as long as the utility model body design thought and mentally make have no the change of essential meaning or profit
Color, it is solved the technical issues of it is still consistent with the utility model, the protection scope of the utility model should all be included in
Within.
Claims (6)
1. a kind of fixed combustible gas detector, which is characterized in that including shell (1), be set on the shell (1) into
Tracheae (2), the filter device (3) being set on the air inlet pipe (2), be set in the shell (1) and with the air inlet pipe
(2) suction unit (4) being connected is set in the shell (1) and reacts with what the outlet of the suction unit (4) was connected
Chamber (5), the gas sensor (6) being set in the reaction chamber (5), be set in the shell (1) and with the gas
Body sensor (6) connected resistance meter (7) is set to and is connected in the shell (1) and with the resistance meter (7)
Main control chip (9), the alarm (10) for being set on the shell (1) and being electrically connected with the main control chip (9), is set to
The liquid crystal display being electrically connected on shell (1) outer wall and with the main control chip (9), is set on the shell (1)
For fixing the fixation bracket (11) of the shell (1), and the power interface (12) for external power supply.
2. a kind of fixed combustible gas detector according to claim 1, which is characterized in that the main control chip (9)
For single-chip microcontroller main control chip.
3. a kind of fixed combustible gas detector according to claim 1, which is characterized in that in the shell (1) also
Transmitter (8) are received equipped with the signal being electrically connected with the main control chip (9).
4. a kind of fixed combustible gas detector according to claim 1, which is characterized in that the alarm (10) is
Combined aural and visual alarm.
5. a kind of fixed combustible gas detector according to claim 1, which is characterized in that the fixed bracket (11)
It is distributed on the shell (1) there are three settings.
6. described in any item a kind of fixed combustible gas detectors according to claim 1~5, which is characterized in that the shell
Body (1) is made of two symmetrical upper cover and lower cover sealed connections, and the coupling part of upper cover and lower cover is equipped with sealing ring
Mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484986.2U CN209690223U (en) | 2019-04-11 | 2019-04-11 | A kind of fixed combustible gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484986.2U CN209690223U (en) | 2019-04-11 | 2019-04-11 | A kind of fixed combustible gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690223U true CN209690223U (en) | 2019-11-26 |
Family
ID=68607582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484986.2U Active CN209690223U (en) | 2019-04-11 | 2019-04-11 | A kind of fixed combustible gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209690223U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707309A (en) * | 2020-06-15 | 2020-09-25 | 岱特智能科技(昆山)有限公司 | Laboratory environment detection device |
| CN111948270A (en) * | 2020-07-29 | 2020-11-17 | 张旭 | Dangerous gas alarm used under high-temperature severe working condition |
| CN112270812A (en) * | 2020-10-28 | 2021-01-26 | 广州研测安全技术有限公司 | Alarm for detecting combustible gas |
| CN112285279A (en) * | 2020-09-21 | 2021-01-29 | 山东斯诺电子有限公司 | Malodorous gas detector with integrated temperature compensation technology |
| CN114062592A (en) * | 2021-01-21 | 2022-02-18 | 安徽赛安安全设备有限责任公司 | Combined multi-gas detection device |
-
2019
- 2019-04-11 CN CN201920484986.2U patent/CN209690223U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707309A (en) * | 2020-06-15 | 2020-09-25 | 岱特智能科技(昆山)有限公司 | Laboratory environment detection device |
| CN111948270A (en) * | 2020-07-29 | 2020-11-17 | 张旭 | Dangerous gas alarm used under high-temperature severe working condition |
| CN112285279A (en) * | 2020-09-21 | 2021-01-29 | 山东斯诺电子有限公司 | Malodorous gas detector with integrated temperature compensation technology |
| CN112270812A (en) * | 2020-10-28 | 2021-01-26 | 广州研测安全技术有限公司 | Alarm for detecting combustible gas |
| CN112270812B (en) * | 2020-10-28 | 2022-04-05 | 广州研测安全技术有限公司 | Alarm for detecting combustible gas |
| CN114062592A (en) * | 2021-01-21 | 2022-02-18 | 安徽赛安安全设备有限责任公司 | Combined multi-gas detection device |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: T3-2804, 2805, Tus Center, No. 67 Keji 2nd Road, High-tech Zone, Xi'an City, Shaanxi Province 710000 Patentee after: Xi'an Yingrun Environmental Protection Technology Group Co.,Ltd. Address before: Room 11601, 16th Floor, Unit 1, Building 5, Ronghe City Ideal, Intersection of Taibai South Road and Electronic 2nd Road, Yanta District, Xi'an City, Shaanxi Province 710000 Patentee before: Xi'an Yingrun Environmental Protection Technology Co.,Ltd. |