CN112816156A - Gas leakage detection device and detection method thereof - Google Patents
Gas leakage detection device and detection method thereof Download PDFInfo
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- CN112816156A CN112816156A CN202011552238.7A CN202011552238A CN112816156A CN 112816156 A CN112816156 A CN 112816156A CN 202011552238 A CN202011552238 A CN 202011552238A CN 112816156 A CN112816156 A CN 112816156A
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- 238000007405 data analysis Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 160
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- 238000004458 analytical method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000003345 natural gas Substances 0.000 description 3
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
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Abstract
The invention relates to the technical field of gas detection devices, in particular to a gas leakage detection device and a detection method thereof, wherein a detection sensor comprises a controller, an alarm, a combustible gas sensor, a gas flow detector and an electromagnetic valve; a touch screen module, a control module, a data analysis module and a data acquisition module are arranged in the controller; the controller is connected with the alarm through a signal wire, and the alarm is fixedly arranged on the right side of the controller; the upper surface of the controller is provided with a touch display screen for displaying detection data signal data, and the edge of the controller below the display screen is provided with a display lamp for judging a dangerous condition; the controller below is provided with a plurality of signal line connection ports, and every connection port all is connected with the signal acquisition data line, and a plurality of combustible gas sensors, gas flow sensor all are connected with the controller through the signal acquisition data line. The application has good detection reliability and better practical value.
Description
Technical Field
The invention relates to the technical field of gas detection devices, in particular to a gas leakage detection device and a detection method thereof.
Background
At present, the use of natural gas is gradually popularized among urban residents, and the natural gas is used for replacing coal to cook and fry in a kitchen, which is also a measure vigorously advocated by the nation at present. However, in the specific use process of natural gas, the risk of personal harm caused by gas leakage usually exists, and timely detection and stopping are needed. Especially, in ordinary residents, the installed gas system usually has no leakage detection device, so that gas leakage cannot be detected in time, and unnecessary safety accidents and losses are caused.
Based on the above, the invention provides a gas leakage detection device and a detection method thereof, which provide automatic gas leakage detection and alarm functions for indoor residents through reasonable design of the gas detection device, so as to solve the problem that the residents lack gas detection measures in the prior art, thereby effectively reducing or eliminating potential safety hazards caused by gas leakage.
Disclosure of Invention
The invention aims to provide the following advantages: aiming at the problems existing at present, the gas leakage detection device and the detection method thereof are provided, and through the reasonable design of the gas detection device, the gas automatic leakage detection and alarm functions are provided for indoor residents, so that the problem that the residents lack gas detection measures in the prior art is solved, and potential safety hazards caused by gas leakage are effectively reduced or eliminated.
In order to achieve the purpose, the invention adopts the technical scheme that:
a gas leakage detection device comprises a controller, an alarm, a combustible gas sensor, a gas flow detector and an electromagnetic valve; a touch screen module, a control module, a data analysis module and a data acquisition module are arranged in the controller; the controller is connected with the alarm through a signal wire, and the alarm is fixedly arranged on the right side of the controller; the upper surface of the controller is provided with a touch display screen for displaying detection data signal data, and the edge of the controller below the display screen is provided with a display lamp for judging a dangerous condition; a plurality of signal line connecting ports are arranged below the controller, each connecting port is connected with a signal acquisition data line, and the plurality of combustible gas sensors and the gas flow sensor are connected with the controller through the signal acquisition data lines; the electromagnetic valve and the controller are connected with each other through a signal wire; the combustible gas sensor is clamped and installed outside the gas pipe through a fixing clamp; the gas pipe on main valve switch left side entry position's gas pipe fixed mounting the solenoid valve, the intraductal fixed mounting of gas on main valve switch right side has the gas flow sensor who is used for detecting the gas circulation data.
Preferably, the controller is in a cuboid plate structure, is a PLC touch screen controller, and can be provided with an evaluation index value for judging whether the detected gas detection data reach the standard; the combustible gas sensor is of a cylindrical structure.
Preferably, the fixing clip is made of elastic plastic or elastic metal; the upper part of the fixing clamp is provided with an arc-shaped sunken mounting groove for mounting the combustible gas sensor; the lower part symmetry of fixation clamp is provided with the elasticity grip block that is used for centre gripping gas pipe, 2 symmetries the grip block incurves and forms the arc wall structure.
Preferably, the household terminal of the gas pipe is connected with a gas stove, the combustible gas sensors are uniformly distributed on a pipeline between the gas stove and the gas flow sensor, and the number of the combustible gas sensors is more than or equal to 3; the solenoid valve is installed at the hookup location between outdoor pipeline and the indoor pipeline, and the solenoid valve is open state under the normal condition, and the display lamp shows green.
The detection method of the gas leakage detection device comprises the following detection steps:
the method comprises the following steps: firstly, opening a main valve switch; if the gas flow sensor detects that the gas flow is reduced, the leakage condition of the pipeline on the left side of the gas flow sensor can be judged, at the moment, detection data are transmitted to the controller through a signal acquisition data line, the data are firstly acquired through a data acquisition module and then transmitted to a data analysis module, abnormal data of the flow are analyzed and judged, and the judgment and analysis result is transmitted to a control module; after the control module receives the abnormal data judgment signal, the control module simultaneously sends a signal to the display lamp and the alarm, at the moment, the display lamp is changed from green under normal conditions to red, and the alarm gives an alarm sound to prompt a user that the gas leakage is abnormal; at the moment, the control module sends a signal to the electromagnetic valve to close the electromagnetic valve and trap the fuel gas outdoors;
step two: standing for 10-20 minutes, if the combustible gas sensor detects gas leakage data, transmitting the detection data to the controller through a signal acquisition data line, immediately acquiring the data by a data acquisition module of the controller, transmitting the data to a data analysis module for analysis, judging that gas still leaks indoors, displaying the detected gas concentration data on a display screen by the controller, continuing alarming and prompting by an alarm, continuing displaying a red light by a display lamp, and further opening a door and a window for ventilation by a user, and connecting technical personnel of a gas company in time;
step three: if the gas flow detected by the gas flow sensor is not changed, but the combustible gas sensor detects abnormal data, the existence of gas in the room can be indicated; at the moment, the detected data are transmitted to the controller through a signal acquisition data line, a data acquisition module of the controller immediately acquires the data and transmits the data to a data analysis module for analysis, and the gas leakage in a room is judged;
step four: if the data detected by the combustible gas sensor and the gas flow sensor are normal after the main valve switch is opened, the display lamp continues to display green, the alarm does not give an alarm, and the electromagnetic valve switch continues to be kept in an open state.
It should be noted that the controller, the display screen, the alarm, the gas stove, the combustible gas sensor, the gas flow sensor, the main valve switch and the electromagnetic valve used in the application are all products in the prior art, and can be directly customized by a manufacturer or assembled by purchasing. The controller is a PLC touch screen controller, and the controller can be written with a control program, or the controller can be written or customized by manufacturer technicians when the controller is purchased.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
on one hand, the detection device provided by the invention has higher intelligent degree, is more suitable for detecting and judging household gas leakage, is beneficial to protecting household safety and avoiding gas leakage safety accidents, and has better practical value and popularization value.
On the other hand, the invention adopts the combustible gas sensor and the gas flow sensor to detect the gas leakage information in a double detection mode, has high safety and good reliability, and has better detection reliability compared with the detection of a single combustible gas sensor.
On the other hand, the detection device and the detection method are simple to operate, and the arrangement of the alarm device and the display lamp is beneficial to auxiliary judgment of people with visual impairment or hearing impairment, so that the detection device and the detection method have a better omnibearing alarm mechanism and have important promotion significance for promoting kitchen safety and gas safety.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the control system of the present invention;
fig. 3 is a schematic view of the fixing clip structure of the present invention.
In the figure: 1. a controller; 2. a display screen; 3. a display lamp; 4. an alarm; 5. a gas range; 6. a gas pipe; 7. a combustible gas sensor; 8. a fixing clip; 9. a gas flow sensor; 10. a main valve switch; 11. an electromagnetic valve; 12. mounting grooves; 13. and (4) clamping the block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1, as shown in figures 1-3:
a gas leakage detection device comprises a controller 1, an alarm 4, a combustible gas sensor 7, a gas flow detector and an electromagnetic valve 11; a touch screen module, a control module, a data analysis module and a data acquisition module are arranged in the controller 1; the controller 1 is connected with the alarm 4 through a signal wire, and the alarm 4 is fixedly arranged on the right side of the controller 1; the upper surface of the controller 1 is provided with a touch display screen 2 for displaying detection data signal data, and the edge of the controller 1 below the display screen 2 is provided with a display lamp 3 for judging a dangerous condition; a plurality of signal line connecting ports are arranged below the controller 1, each connecting port is connected with a signal acquisition data line, and the plurality of combustible gas sensors 7 and the gas flow sensor 9 are connected with the controller 1 through the signal acquisition data lines; the electromagnetic valve 11 is connected with the controller 1 through a signal line; the combustible gas sensor 7 is clamped and installed outside the gas pipe 6 through a fixing clamp 8; the end of registering one's residence of gas pipe 6 installs main valve switch 10, and fixed mounting is gone up to the gas pipe 6 of main valve switch 10 left side entry position solenoid valve 11, the gas pipe 6 internal fixation on main valve switch 10 right side installs the gas flow sensor 9 that is used for detecting the gas circulation data.
Preferably, the controller 1 has a rectangular plate structure, the controller 1 is a PLC touch screen controller 1, and the controller 1 may be provided with an evaluation index value for determining whether the detected gas detection data reaches the standard; the combustible gas sensor 7 is of a cylindrical structure.
Preferably, the fixing clip 8 is made of elastic plastic or elastic metal; the upper part of the fixing clamp 8 is provided with an arc-shaped sunken installation groove 12 for installing the combustible gas sensor 7; the lower part of the fixing clamp 8 is symmetrically provided with elastic clamping blocks 13 for clamping the gas pipe 6, and the 2 clamping blocks 13 are symmetrically bent inwards to form an arc-shaped groove structure.
Preferably, the household terminal of the gas pipe 6 is connected with and provided with a gas stove 5, the combustible gas sensors 7 are uniformly distributed on a pipeline between the gas stove 5 and the gas flow sensor 9, and the number of the combustible gas sensors 7 is more than or equal to 3; solenoid valve 11 installs the hookup location between outdoor pipeline and the indoor pipeline, and solenoid valve 11 is the open mode under the normal conditions, and display lamp 3 shows green.
The detection method of the gas leakage detection device comprises the following detection steps:
the method comprises the following steps: first, the main valve switch 10 is opened; if the gas flow sensor 9 detects that the gas flow is reduced, the leakage condition of the pipeline on the left side of the gas flow sensor 9 can be judged, at the moment, detection data are transmitted to the controller 1 through a signal acquisition data line, the data are firstly acquired through a data acquisition module and then transmitted to a data analysis module, abnormal data of the flow are analyzed and judged, and the judgment and analysis result is transmitted to a control module; after the control module receives the abnormal data judgment signal, the control module simultaneously sends a signal to the display lamp 3 and the alarm 4, at the moment, the display lamp 3 is changed from green under normal conditions to red, and the alarm 4 gives an alarm sound to prompt a user that the gas leakage is abnormal; at the moment, the control module sends a signal to the electromagnetic valve 11 again to close the electromagnetic valve 11 and trap the fuel gas outdoors;
step two: standing for 10-20 minutes, if the combustible gas sensor 7 detects gas leakage data, transmitting the detection data to the controller 1 through a signal acquisition data line, immediately acquiring the data by a data acquisition module of the controller 1, transmitting the data to a data analysis module for analysis, judging that gas still leaks indoors, displaying the detected gas concentration data on the display screen 2 by the controller 1, continuing to give an alarm for prompt by the alarm 4, continuing to display a red light by the display lamp 3, and further opening doors and windows for ventilation by a user and connecting gas company technicians for timely processing;
step three: if the gas flow detected by the gas flow sensor 9 is not changed, but the combustible gas sensor 7 detects abnormal data, the existence of gas in the room can be indicated; at the moment, the detected data are transmitted to the controller 1 through a signal acquisition data line, a data acquisition module of the controller 1 immediately acquires the data and transmits the data to a data analysis module for analysis, and the gas leakage in a room is judged;
step four: if the data detected by the combustible gas sensor 7 and the gas flow sensor 9 are normal after the main valve switch 10 is opened, the display lamp 3 continues to display green, the alarm 4 does not give an alarm, and the switch of the electromagnetic valve 11 continues to be kept in an open state.
It should be noted that, the controller 1, the display screen 2, the alarm 4, the gas stove 5, the combustible gas sensor 7, the gas flow sensor 9, the main valve switch 10 and the electromagnetic valve 11 used in the present application are all products in the prior art, and can be directly customized by a manufacturer or assembled after being purchased. The controller 1 is a PLC touch screen controller 1, and the controller 1 may write a control program, or write or customize a control program by a manufacturer technician when purchasing the controller 1.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
on one hand, the detection device provided by the invention has higher intelligent degree, is more suitable for detecting and judging household gas leakage, is beneficial to protecting household safety and avoiding gas leakage safety accidents, and has better practical value and popularization value.
On the other hand, the invention adopts a double detection mode, adopts the combustible gas sensor 7 and the gas flow sensor 9 to detect the gas leakage information, has high safety and good reliability, and has better detection reliability compared with the detection of a single combustible gas sensor 7.
On the other hand, the detection device and the detection method are simple to operate, and the arrangement of the alarm device and the display lamp 3 is beneficial to auxiliary judgment of people with visual impairment or hearing impairment, so that the detection device and the detection method have a better omnibearing alarm mechanism and have important promotion significance for promoting kitchen safety and gas safety.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a detection device is revealed in gas which characterized in that: comprises a controller, an alarm, a combustible gas sensor, a gas flow detector and an electromagnetic valve; a touch screen module, a control module, a data analysis module and a data acquisition module are arranged in the controller; the controller is connected with the alarm through a signal wire, and the alarm is fixedly arranged on the right side of the controller; the upper surface of the controller is provided with a touch display screen for displaying detection data signal data, and the edge of the controller below the display screen is provided with a display lamp for judging a dangerous condition; a plurality of signal line connecting ports are arranged below the controller, each connecting port is connected with a signal acquisition data line, and the plurality of combustible gas sensors and the gas flow sensor are connected with the controller through the signal acquisition data lines; the electromagnetic valve and the controller are connected with each other through a signal wire; the combustible gas sensor is clamped and installed outside the gas pipe through a fixing clamp; the gas pipe on main valve switch left side entry position's gas pipe fixed mounting the solenoid valve, the intraductal fixed mounting of gas on main valve switch right side has the gas flow sensor who is used for detecting the gas circulation data.
2. A gas leak detecting device according to claim 1, wherein: the appearance of the controller is of a cuboid plate structure, the controller is a PLC touch screen controller, and an evaluation index numerical value for judging whether the detected gas detection data reach the standard can be set on the controller; the combustible gas sensor is of a cylindrical structure.
3. A gas leak detecting device according to claim 1, wherein: the fixing clip is made of elastic plastic or elastic metal; the upper part of the fixing clamp is provided with an arc-shaped sunken mounting groove for mounting the combustible gas sensor; the lower part symmetry of fixation clamp is provided with the elasticity grip block that is used for centre gripping gas pipe, 2 symmetries the grip block incurves and forms the arc wall structure.
4. A gas leak detecting device according to claim 1, wherein: the household terminal of the gas pipe is connected with and provided with a gas stove, the combustible gas sensors are uniformly distributed on a pipeline between the gas stove and the gas flow sensor, and the number of the combustible gas sensors is more than or equal to 3; the solenoid valve is installed at the hookup location between outdoor pipeline and the indoor pipeline, and the solenoid valve is open state under the normal condition, and the display lamp shows green.
5. The gas leakage detecting device detecting method according to claim 1, characterized in that:
the method comprises the following detection steps:
the method comprises the following steps: firstly, opening a main valve switch; if the gas flow sensor detects that the gas flow is reduced, the leakage condition of the pipeline on the left side of the gas flow sensor can be judged, at the moment, detection data are transmitted to the controller through a signal acquisition data line, the data are firstly acquired through a data acquisition module and then transmitted to a data analysis module, abnormal data of the flow are analyzed and judged, and the judgment and analysis result is transmitted to a control module; after the control module receives the abnormal data judgment signal, the control module simultaneously sends a signal to the display lamp and the alarm, at the moment, the display lamp is changed from green under normal conditions to red, and the alarm gives an alarm sound to prompt a user that the gas leakage is abnormal; at the moment, the control module sends a signal to the electromagnetic valve to close the electromagnetic valve and trap the fuel gas outdoors;
step two: standing for 10-20 minutes, if the combustible gas sensor detects gas leakage data, transmitting the detection data to the controller through a signal acquisition data line, immediately acquiring the data by a data acquisition module of the controller, transmitting the data to a data analysis module for analysis, judging that gas still leaks indoors, displaying the detected gas concentration data on a display screen by the controller, continuing alarming and prompting by an alarm, continuing displaying a red light by a display lamp, and further opening a door and a window for ventilation by a user, and connecting technical personnel of a gas company in time;
step three: if the gas flow detected by the gas flow sensor is not changed, but the combustible gas sensor detects abnormal data, the existence of gas in the room can be indicated; at the moment, the detected data are transmitted to the controller through a signal acquisition data line, a data acquisition module of the controller immediately acquires the data and transmits the data to a data analysis module for analysis, and the gas leakage in a room is judged;
step four: if the data detected by the combustible gas sensor and the gas flow sensor are normal after the main valve switch is opened, the display lamp continues to display green, the alarm does not give an alarm, and the electromagnetic valve switch continues to be kept in an open state.
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| CN202011552238.7A CN112816156A (en) | 2020-12-24 | 2020-12-24 | Gas leakage detection device and detection method thereof |
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| CN202011552238.7A CN112816156A (en) | 2020-12-24 | 2020-12-24 | Gas leakage detection device and detection method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685735A (en) * | 2021-08-26 | 2021-11-23 | 新奥新能源工程技术有限公司 | Pipeline safety monitoring device and system for gas pipeline engineering construction |
| CN117831234A (en) * | 2024-03-04 | 2024-04-05 | 广州市粤佳气体有限公司 | Automatic alarm device for gas leakage monitoring cabinet |
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Application publication date: 20210518 |