CN219842735U - Combustible gas alarm calibrating device - Google Patents
Combustible gas alarm calibrating device Download PDFInfo
- Publication number
- CN219842735U CN219842735U CN202321065385.0U CN202321065385U CN219842735U CN 219842735 U CN219842735 U CN 219842735U CN 202321065385 U CN202321065385 U CN 202321065385U CN 219842735 U CN219842735 U CN 219842735U
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- gas
- calibration
- tank
- combustible gas
- alarm
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- 238000000605 extraction Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 113
- 238000005086 pumping Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a leakage-proof combustible gas alarm calibrating device, in particular to a combustible gas alarm calibrating device which comprises a calibrating tank, wherein the upper surface of the calibrating tank is detachably connected with the lower surface of a sealing tank cover, the inner wall of the calibrating tank is fixedly connected with the outer surfaces of a placing plate and a partition plate respectively, the upper surface of the placing plate is provided with a fixing component, the lower surface of the partition plate is attached to the upper surface of a gas storage tank, the gas storage tank is arranged on the lower surface of the inner wall of the calibrating tank, the combustible gas and air mixed gas in the calibrating tank is extracted through an extraction tube a by a vacuum pump, and the mixed gas is discharged into a gas storage tank, so that the recycling treatment is convenient after the whole calibration is finished, the problem that the combustible gas is easy to leak in the process of taking out the combustible gas alarm by the traditional device and the fire risk exists when the device is used in a non-ventilation environment is solved.
Description
Technical Field
The utility model relates to a flammable gas alarm calibrating device, in particular to a leak-proof flammable gas alarm calibrating device.
Background
The combustible gas is a state of combustible substances, and can be uniformly mixed with air (or oxygen) in a certain concentration range to form premixed gas, and the premixed gas can explode when encountering a fire source, and a large amount of energy is released in the combustion process. The combustible gas alarm is also called a gas leakage detection alarm instrument. When the combustible gas in the industrial environment and the daily living environment (such as a kitchen using natural gas) leaks, the combustible gas alarm detects that the concentration of the combustible gas reaches the alarm value set by the alarm, the combustible gas alarm can send out sound and light alarm signals so as to remind people to take safety measures such as evacuation, forced air exhaust, equipment shutdown and the like.
At present, a testing box body is generally adopted for the verification and calibration device of the combustible gas alarm, the combustible gas alarm is placed in the testing box body, then the combustible gas is introduced into the testing box body for detection, after detection, the combustible gas alarm needs to be taken out of the testing box body, the combustible gas can be remained in the testing box body due to poor tightness of a pipeline in the testing box body, the combustible gas is easy to leak in the process of taking out the combustible gas alarm, and the risk of fire hazards exists when the device is used in a non-ventilated environment.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a combustible gas alarm calibrating device.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combustible gas alarm calibrating device, includes the calibration jar, the upper surface of calibration jar can be dismantled with the lower surface of seal tank lid and be connected, the inner wall of calibration jar respectively with place the surface rigid coupling of board and baffle, the upper surface of placing the board is provided with fixed subassembly, the lower surface of baffle and the upper surface laminating of gas holder, the lower surface at the calibration jar inner wall is installed to the gas holder, the right flank of calibration jar and the left surface rigid coupling of gas storage tank, the front of gas storage tank is provided with and draws out the subassembly, the front of calibration jar is provided with the air feed subassembly.
Preferably, the fixed subassembly is including seting up the removal groove at placing the board upper surface, the left and right sides face of removal inslot wall has two springs of rigid coupling respectively, and two the opposite one side of spring is respectively with the one side rigid coupling that two splint kept away from mutually, the lower surface of splint and the lower surface sliding connection of removal inslot wall.
Preferably, the front surface of the calibration pot is provided with a visual window.
Preferably, the air supply assembly comprises a liquid ring pump arranged on the front side of the calibration tank, the air extraction end of the liquid ring pump is communicated with the front side of the air storage tank through an air extraction pipe b, the air exhaust end of the liquid ring pump is communicated with one end of an air exhaust pipe b, the other end of the air exhaust pipe b is communicated with one end of a gas flowmeter, and the other end of the gas flowmeter is communicated with the front side of the calibration tank through a connecting pipe.
Preferably, the front surface of the calibration tank is provided with a combustible gas detector.
Preferably, the pumping assembly comprises a vacuum pump arranged on the front face of the gas storage tank, the pumping end of the vacuum pump is communicated with the right side face of the calibration tank through a pumping pipe a, the exhausting end of the vacuum pump is communicated with the front face of the gas storage tank through an exhausting pipe a, and the front face of the exhausting pipe a is provided with a check valve.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the mixed gas of the combustible gas and the air in the calibration tank is extracted through the extraction pipe a by the vacuum pump, and the mixed gas is discharged into the gas storage tank, so that the recovery treatment is convenient after the calibration is finished, and the problem that the combustible gas is easy to leak in the process of taking out the combustible gas alarm by the traditional device, and the fire risk exists when the device is used in a non-ventilated environment is solved.
According to the utility model, the liquid ring pump is used for extracting the combustible gas stored in the gas storage tank through the exhaust pipe b, and discharging the combustible gas into the gas flowmeter through the exhaust pipe b, the gas flowmeter is used for discharging the gas into the calibration tank, the gas flowmeter is used for recording the discharged combustible gas, the combustible gas in the calibration tank is mixed with air, and the combustible gas alarm gives an alarm after the combustible gas in the mixed gas reaches the specified concentration, namely, the calibration is finished.
According to the utility model, the concentration of the combustible gas in the calibration tank is detected through the combustible gas detector, the combustible gas detector is compared with the combustible gas alarm in the calibration tank, and the combustible gas detector and the calibration tank simultaneously give an alarm, and the combustible gas alarm can also be used as a calibration completion.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic perspective view of a fixing assembly according to the present utility model;
in the figure: 1. a calibration tank; 2. sealing the can lid; 3. placing a plate; 4. a partition plate; 5. a gas storage tank;
and (3) fixing the assembly: 61. a moving groove; 62. a spring; 63. a clamping plate;
and (3) a pumping assembly: 71. a vacuum pump; 72. an exhaust pipe a; 73. an exhaust pipe a; 74. a check valve; 8. a gas storage tank;
and the air supply assembly comprises: 91. a liquid ring pump; 92. an exhaust pipe b; 93. an exhaust pipe b; 94. a gas flow meter;
10. a flammable gas detector; 11. and a visual window.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a combustible gas alarm calibrating device, includes calibration tank 1, the upper surface of calibration tank 1 can dismantle with the lower surface of sealed tank lid 2 and be connected, the inner wall of calibration tank 1 respectively with place the surface rigid coupling of board 3 and baffle 4, the upper surface of placing board 3 is provided with fixed subassembly, the lower surface of baffle 4 and the laminating of the upper surface of gas holder 5, the lower surface at the inner wall of calibration tank 1 is installed to gas holder 5, the right flank of calibration tank 1 and the left surface rigid coupling of gas storage tank 8, the front of gas storage tank 8 is provided with and draws out the subassembly, the front of calibration tank 1 is provided with air feed subassembly.
Specifically, the fixing assembly comprises a moving groove 61 formed in the upper surface of the placing plate 3, two springs 62 are fixedly connected to the left side surface and the right side surface of the inner wall of the moving groove 61 respectively, one opposite surfaces of the two springs 62 are fixedly connected with one surface, away from the two clamping plates 63, of the two clamping plates 63, and the lower surface of the clamping plates 63 is in sliding connection with the lower surface of the inner wall of the moving groove 61;
the movable groove 61 is formed into a convex shape, the flammable gas alarm to be calibrated is inserted into the movable groove 61, the spring 62 pushes the two clamping plates 63 to be close to each other to clamp the flammable gas alarm to be calibrated, and shaking of the flammable gas alarm in the process of calibration is avoided.
Specifically, a visual window 11 is installed on the front surface of the calibration tank 1;
the gas concentration displayed by the combustible gas alarm in the calibration tank 1 is observed through the visual window 11.
Specifically, the air supply assembly comprises a liquid ring pump 91 installed on the front surface of the calibration tank 1, the air suction end of the liquid ring pump 91 is communicated with the front surface of the air storage tank 5 through an air suction pipe b92, the air discharge end of the liquid ring pump 91 is communicated with one end of an air discharge pipe b93, the other end of the air discharge pipe b93 is communicated with one end of an air flow meter 94, and the other end of the air flow meter 94 is communicated with the front surface of the calibration tank 1 through a connecting pipe;
the liquid ring pump 91 extracts the combustible gas stored in the gas storage tank 5 through the exhaust pipe b92, and discharges the combustible gas into the gas flowmeter 94 through the exhaust pipe b93, the gas flowmeter 94 discharges the gas into the calibration tank 1, and the gas flowmeter 94 records the discharged combustible gas, so that the concentration of the combustible gas in the calibration tank 1 can be conveniently known.
Specifically, the combustible gas detector 10 is installed by arranging the front surface of the calibration tank 1;
the concentration of the combustible gas in the calibration tank 1 is detected by the combustible gas detector 10 and is compared with the combustible gas alarm in the calibration tank 1.
Specifically, the pumping assembly comprises a vacuum pump 71 arranged on the front surface of the gas storage tank 8, the pumping end of the vacuum pump 71 is communicated with the right side surface of the calibration tank 1 through a pumping pipe a72, the exhausting end of the vacuum pump 71 is communicated with the front surface of the gas storage tank 8 through an exhaust pipe a73, and a check valve 74 is arranged on the front surface of the exhaust pipe a 73;
after the calibration is finished, the vacuum pump 71 pumps the mixed gas of the combustible gas and the air in the calibration tank 1 through the exhaust pipe a72, and the mixed gas is discharged into the gas storage tank 8, so that the recovery treatment is facilitated after the calibration is finished.
The working principle and the using flow of the utility model are as follows:
the utility model, when in use;
inserting the flammable gas alarm to be calibrated into the movable groove 61, pushing the two clamping plates 63 to be close to each other by the spring 62 to clamp the flammable gas alarm to be calibrated, pumping the flammable gas stored in the gas storage tank 5 by the liquid ring pump 91 through the exhaust pipe b92, discharging the flammable gas into the gas flowmeter 94 through the exhaust pipe b93, discharging the gas into the calibration tank 1 by the gas flowmeter 94, recording the discharged flammable gas, mixing the flammable gas in the calibration tank 1 with air, giving an alarm by the flammable gas alarm after the flammable gas in the mixed gas reaches a specified concentration, namely, after the calibration, giving no alarm by the flammable gas alarm, pumping the mixed gas of the flammable gas and the air in the calibration tank 1 by the vacuum pump 71 through the exhaust pipe a72, discharging the mixed gas into the gas storage tank 8, taking out the flammable gas alarm, adjusting the range calibration potentiometer of the flammable gas alarm, and charging the flammable gas with the same flow again, so that the flammable gas alarm is calibrated;
meanwhile, the concentration of the combustible gas in the calibration tank 1 can be detected through the combustible gas detector 10, and compared with a combustible gas alarm in the calibration tank 1, the combustible gas detector and the calibration tank can give an alarm at the same time, and the calibration tank can also be used as a calibration completion.
The circuit, the electronic components and the modules are all in the prior art, and can be completely realized by a person skilled in the art, and needless to say, the protection of the utility model does not relate to the improvement of software and a method.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a combustible gas alarm calibrating device, includes calibration tank (1), its characterized in that: the upper surface of calibration jar (1) can dismantle with the lower surface of seal tank lid (2) and be connected, the inner wall of calibration jar (1) respectively with place the surface rigid coupling of board (3) and baffle (4), the upper surface of placing board (3) is provided with fixed subassembly, the lower surface of baffle (4) is laminated with the upper surface of gas holder (5), the lower surface at calibration jar (1) inner wall is installed in gas holder (5), the right flank of calibration jar (1) and the left surface rigid coupling of gas storage tank (8), the front of gas storage tank (8) is provided with the extraction subassembly, the front of calibration jar (1) is provided with the air feed subassembly.
2. A combustible gas alarm calibration apparatus as defined in claim 1 wherein: the fixed subassembly is including seting up at the removal groove (61) of placing board (3) upper surface, the left and right sides face of removal groove (61) inner wall has two springs (62) of rigid coupling respectively, and two the one side opposite of spring (62) is with the one side rigid coupling that two splint (63) kept away from mutually respectively, the lower surface of splint (63) and the lower surface sliding connection of removal groove (61) inner wall.
3. A combustible gas alarm calibration apparatus as defined in claim 1 wherein: the front surface of the calibration tank (1) is provided with a visual window (11).
4. A combustible gas alarm calibration apparatus as defined in claim 1 wherein: the gas supply assembly comprises a liquid ring pump (91) arranged on the front side of the calibration tank (1), the gas extraction end of the liquid ring pump (91) is communicated with the front side of the gas storage tank (5) through a gas extraction pipe b (92), the gas exhaust end of the liquid ring pump (91) is communicated with one end of a gas exhaust pipe b (93), the other end of the gas exhaust pipe b (93) is communicated with one end of a gas flowmeter (94), and the other end of the gas flowmeter (94) is communicated with the front side of the calibration tank (1) through a connecting pipe.
5. A combustible gas alarm calibration apparatus as defined in claim 1 wherein: the front of the calibration tank (1) is provided with a combustible gas detector (10).
6. A combustible gas alarm calibration apparatus as defined in claim 1 wherein: the vacuum pump (71) is arranged on the front face of the gas storage tank (8), the air suction end of the vacuum pump (71) is communicated with the right side face of the calibration tank (1) through an air suction pipe a (72), the air discharge end of the vacuum pump (71) is communicated with the front face of the gas storage tank (8) through an air discharge pipe a (73), and a check valve (74) is arranged on the front face of the air discharge pipe a (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321065385.0U CN219842735U (en) | 2023-05-06 | 2023-05-06 | Combustible gas alarm calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321065385.0U CN219842735U (en) | 2023-05-06 | 2023-05-06 | Combustible gas alarm calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219842735U true CN219842735U (en) | 2023-10-17 |
Family
ID=88305053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321065385.0U Active CN219842735U (en) | 2023-05-06 | 2023-05-06 | Combustible gas alarm calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219842735U (en) |
-
2023
- 2023-05-06 CN CN202321065385.0U patent/CN219842735U/en active Active
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