CN220473468U - Detection device of gas sensor - Google Patents
Detection device of gas sensor Download PDFInfo
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- CN220473468U CN220473468U CN202321385578.4U CN202321385578U CN220473468U CN 220473468 U CN220473468 U CN 220473468U CN 202321385578 U CN202321385578 U CN 202321385578U CN 220473468 U CN220473468 U CN 220473468U
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- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000009826 distribution Methods 0.000 claims abstract description 82
- 230000001105 regulatory effect Effects 0.000 claims abstract 5
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The utility model discloses a detection device of a gas sensor, which comprises a gas pressure regulating device, a gas distribution box, a standard sensor and a sensor to be detected, wherein the gas distribution box is used for storing target gas, the gas pressure regulating device is connected to the gas distribution box and is used for regulating the gas pressure in the gas distribution box, the standard sensor and the sensor to be detected are respectively connected with the gas distribution box and are used for detecting the concentration of the target gas, when the sensor to be detected needs to be detected, the reading deviation of the sensor to be detected and the standard sensor can be compared to detect whether the reading of the sensor to be detected is accurate, further, the reading of the sensor to be detected can be affected to different degrees due to different gas pressures, in order to detect whether the gas pressure under different pressures can affect the detection precision of the sensor to be detected, the gas pressure regulating device can be started, the gas pressure in the gas distribution box is changed, and then the reading of the sensor to be detected and the reading of the standard sensor can be compared to realize the detection precision test of the sensor to be detected under different gas pressures.
Description
Technical Field
The utility model relates to the technical field of sensor detection, in particular to a detection device of a gas sensor.
Background
The gas sensor is a device capable of detecting the concentration of specific gas in air, and is widely applied to the fields of environmental monitoring, industrial production, medical treatment and health and the like. In order to ensure the accuracy and reliability of the gas sensor, it is necessary to perform a performance test thereon.
At present, the existing sensor detection equipment is expensive, the detection process is complex and complicated, and the detection equipment is not suitable for detection of a large-scale gas sensor.
Disclosure of Invention
The utility model aims at solving the technical problems that the existing sensor detection equipment is expensive, the detection process is complicated and complex, and the detection device is not suitable for the detection of a large-scale gas sensor in the background technology.
The detection device of the gas sensor comprises a gas pressure adjusting device, a gas distribution box, a standard sensor and a sensor to be detected, wherein the gas distribution box is used for storing target gas, the gas pressure adjusting device is connected with the gas distribution box and used for adjusting the gas pressure in the gas distribution box, and the standard sensor and the sensor to be detected are respectively connected with the gas distribution box and used for detecting the concentration of the target gas.
Further, the air pressure adjusting device comprises a suction pump and a booster pump, wherein the suction pump is used for pumping air in the air distribution box to reduce the air pressure in the air distribution box, and the booster pump is used for flushing air into the air distribution box to increase the air pressure in the air distribution box.
Further, the detection device of the gas sensor further comprises a first gas guide pipe, the gas distribution box is provided with a ventilation port, one end of the first gas guide pipe is connected with the gas pressure adjusting device, and the other end of the first gas guide pipe is connected with the ventilation port.
Further, the detection device of the gas sensor further comprises a detection box, the gas distribution box is provided with a first installation port, the detection box is provided with a second installation port, and the first installation port and the second installation port are used for communicating the detection box with the gas distribution box.
Further, the standard sensor and the sensor to be measured are provided in the detection box.
Further, the detection device of the gas sensor further comprises an air pump, and the air pump is arranged between the detection box and the gas distribution box.
Further, the detection device of the gas sensor further comprises a plurality of second air guide pipes, and the second air guide pipes can be used for being connected with the first mounting ports, the second mounting ports and the air pump so as to realize communication among the gas distribution box, the air pump and the detection box.
Further, the detection box comprises a first detection box unit and a second detection box unit, the air pump comprises a first air pump unit and a second air pump unit, the air distribution box is provided with a plurality of first mounting ports on two sides respectively, the first detection box unit and the second detection box unit are provided with second mounting ports on two sides respectively, the standard sensor is arranged in the first detection box unit, and the sensor to be detected is arranged in the second detection box unit.
Further, the second mounting port on one side of the first detection box unit is communicated with the first mounting port on one side of the air distribution box through a second air duct, and the second mounting port on the other side of the first detection box unit is communicated with the first mounting port on the other side of the air distribution box through a second air duct;
one end of the first air pump unit is communicated with a first mounting port on one side of the air distribution box through two air guide pipes, the other end of the first air pump unit is communicated with a second mounting port on one side of the second detection box unit through a second air guide pipe, a second mounting port on the other side of the second detection box unit is communicated with one end of the second air pump unit through a second air guide pipe, and the other end of the second air pump unit is communicated with the first mounting port on the other side of the air distribution box through the second air guide pipe.
Further, the air distribution box is provided with a plurality of clamping mechanisms, and the standard sensor and the sensor to be tested are connected with the clamping mechanisms.
Compared with the prior art, the utility model has the following beneficial technical effects: through the structure, when whether the sensor to be detected has no error, the standard sensor and the sensor to be detected can be placed in the gas distribution box containing the target gas at the same time, the standard sensor is used as a comparison standard of the sensor to be detected and is used for feeding back the actual concentration of the target gas in the gas distribution box, during detection, whether the reading of the sensor to be detected is accurate or not can be detected by comparing the reading deviation of the sensor to be detected and the standard sensor, further, the reading of the sensor to be detected can be influenced to different degrees due to different gas pressures, and whether the air pressure under different pressures can influence the detection precision of the sensor to be detected or not can be detected.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present utility model;
fig. 2 is a perspective view of a second embodiment of the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the detection device for a gas sensor provided by the utility model comprises a gas pressure adjusting device 1, a gas distribution box 2, a standard sensor 3 and a sensor to be detected 4, wherein the gas distribution box 2 is used for storing target gas, the gas pressure adjusting device 1 is connected with the gas distribution box 2 and is used for adjusting the gas pressure in the gas distribution box 2, and the standard sensor 3 and the sensor to be detected 4 are respectively connected with the gas distribution box 2 and are used for detecting the concentration of the target gas.
Through the above structure setting, when whether need detect to await measuring sensor 4 and have nothing to do with the mistake, can place standard sensor 3 and to await measuring sensor 4 in the gas distribution box 2 that holds the standard gas simultaneously, standard sensor 3 is as the contrast standard of to await measuring sensor 4, be used for feeding back the true concentration of the gas of registering in gas distribution box 2, during the detection, can be through comparing the reading deviation of to await measuring sensor 4 and standard sensor 3, whether the reading of to await measuring sensor 4 is accurate, in this embodiment, in order to reduce the error that standard sensor 3 brought, can be through setting up a plurality of standard sensors 3 and contrast simultaneously, thereby prevent that single standard sensor 3 trouble from influencing the precision of detection, further, because of different gaseous pressures, can cause the influence of different degree to the reading of gas detection sensor, in order to detect the atmospheric pressure under the different pressures, in this embodiment, can start atmospheric pressure adjusting device 1, change the atmospheric pressure in the gas distribution box 2, again compare the reading of to await measuring sensor 4 and the reading of standard sensor 3, the realization is simple structure design is ingenious, the test is realized with the different gas detection precision of the sensor 3.
Specifically, in the present embodiment, the air pressure adjusting device 1 may be a suction pump for pumping out the air in the air distribution box 2 to reduce the air pressure in the air distribution box 2, further, the air pressure adjusting device 1 may also be a booster pump for flushing the air into the air distribution box 2 to increase the air pressure in the air distribution box 2, further, the air pressure adjusting device 1 may also be a combination of a suction pump and a booster pump.
Further, the detecting device of the gas sensor of the present embodiment further includes a first air duct 51, the gas distribution box 2 is provided with a ventilation port 21, one end of the first air duct 51 is connected to the gas pressure adjusting device 1, and the other end is connected to the ventilation port 21, through the above structure, the gas distribution box 2 is communicated with the gas pressure adjusting device 1 through the first air duct 51, when the gas pressure in the gas distribution box 2 needs to be reduced, the gas pressure adjusting device 1 can be started, so that the gas in the gas distribution box 2 is discharged from the ventilation port 21 through the first air duct 51, so as to reduce the gas pressure in the gas distribution box 2, when the gas pressure in the gas distribution box 2 needs to be increased, the gas pressure adjusting device 1 can be started, so that the external gas or the target gas enters the gas distribution box 2 through the ventilation port 21 through the first air duct 51, so as to increase the gas pressure in the gas distribution box 2.
Further, a plurality of clamping mechanisms are further arranged in the air distribution box 2, the standard sensor 3 and the sensor 4 to be detected are connected with the clamping mechanisms, specifically, the clamping mechanisms can be clamping grooves matched with the sensors in size, and the sensors can be clamped in the clamping grooves so as to realize the fixed connection of the sensors in the air distribution box 2.
Example two
As shown in fig. 2, in the case of combining the first embodiment, the detection device of the gas sensor further includes a detection box 6, the gas distribution box 2 is provided with a first mounting port 201, the detection box 6 is provided with a second mounting port 601, the first mounting port 201 and the second mounting port 601 are used for communication between the detection box 6 and the gas distribution box 2, and the standard sensor 3 and the sensor 4 to be measured are provided in the detection box 6.
Through the above structure arrangement, when the sensor 4 to be detected needs to be detected, the detection box 6 provided with the sensor 4 to be detected and the standard sensor 3 can be communicated with the gas distribution box 2, so that the standard sensor 3 and the sensor 4 to be detected can detect the target gas with the same concentration, and whether the sensor 4 to be detected is correct or not can be judged, when the sensor 4 to be detected or the standard sensor 3 needs to be replaced, the sensor 4 to be detected or the standard sensor 3 can be taken out from the detection box 6, and the replaced sensor 4 to be detected or the standard sensor 3 is placed in the detection box, or the detection box 6 provided with different sensors 4 to be detected or the standard sensor 3 is directly replaced, so that the replacement of the sensor 4 to be detected or the standard sensor 3 is realized, and the detection of a large-scale gas sensor is facilitated.
Further, the detecting device of the gas sensor further comprises an air pump 8, the air pump 8 is arranged between the detecting box 6 and the air distribution box 2, further, the detecting device of the gas sensor further comprises a plurality of second air guide pipes 52, and the second air guide pipes 52 can be used for being connected with the first mounting ports 201, the second mounting ports 601 and the air pump 8 so as to realize communication among the air distribution box 2, the air pump 8 and the detecting box 6.
Specifically, in this embodiment, the detection box 6 includes a first detection box unit 61 and a second detection box unit 62, the air pump 8 includes a first air pump unit 81 and a second air pump unit 82, the air distribution box 2 is provided with a plurality of first mounting ports 201 on two sides, the first detection box unit 61 and the second detection box unit 62 are provided with second mounting ports 601 on two sides, the standard sensor 3 is disposed in the first detection box unit 61, the sensor 4 to be detected is disposed in the second detection box unit 62, further, the second mounting port 601 on one side of the first detection box unit 61 is communicated with the first mounting port 201 on one side of the air distribution box 2 through the second air duct 52, the second mounting port 601 on the other side of the first detection box unit 61 is communicated with the first mounting port 201 on the other side of the air distribution box 2 through the second air duct 52, the other end of the first air pump unit 81 is communicated with the first mounting port 201 on one side of the air distribution box 2 through the second air duct 52, the other end of the second detection box unit 62 is communicated with the second mounting port 82 on the other side of the second detection box unit 62 through the second air duct 52, and the other end of the second air pump unit 82 is communicated with the second mounting port 82 on the other side of the air distribution box 2 through the second air duct 52.
Through the above structure arrangement, the gas distribution box 2 is communicated with the first detection box unit 61 for the standard sensor 3 to detect the gas concentration, further, the gas distribution box 2 is also communicated with the second detection box unit 62, the first gas pump unit 81 and the second gas pump unit 82 to form an annular gas passage, during detection, the first gas pump unit 81 and the second gas pump unit 82 can be started to accelerate the gas circulation of the annular gas passage so as to realize the uniform distribution of the gas to be detected at each position in the annular gas passage, and during detection, the reading of the sensor to be detected 4 can be compared with the reading of the standard sensor 3 so as to realize the detection of the sensor to be detected 4, thereby improving the detection precision of the sensor to be detected 4.
The above description of one or more embodiments provided in connection with the detailed description is not intended to limit the utility model to the particular form or form disclosed. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.
Claims (10)
1. The utility model provides a detection device of gas sensor, its characterized in that includes atmospheric pressure adjusting device (1), gas distribution box (2), standard sensor (3) and awaits measuring sensor (4), gas distribution box (2) are used for depositing the target gas, atmospheric pressure adjusting device (1) connect in gas distribution box (2) for adjust the atmospheric pressure in gas distribution box (2), standard sensor (3) and await measuring sensor (4) respectively with gas distribution box (2) are connected for detect the concentration of target gas.
2. A gas sensor detection arrangement according to claim 1, characterized in that the gas pressure regulating device (1) comprises a suction pump for pumping gas out of the gas distribution box (2) to reduce the gas pressure in the gas distribution box and a booster pump for flushing gas into the gas distribution box (2) to increase the gas pressure in the gas distribution box (2).
3. The detection device of a gas sensor according to claim 1, further comprising a first air duct (51), wherein the air distribution box (2) is provided with an air port (21), and one end of the first air duct (51) is connected to the air pressure adjusting device (1) and the other end is connected to the air port (21).
4. The gas sensor detection device according to claim 1, further comprising a detection box (6), wherein the gas distribution box (2) is provided with a first mounting port (201), wherein the detection box (6) is provided with a second mounting port (601), wherein the first mounting port (201) and the second mounting port (601) are used for communication between the detection box (6) and the gas distribution box (2).
5. The detection device of a gas sensor according to claim 4, characterized in that the standard sensor (3) and the sensor (4) to be detected are arranged in the detection box (6).
6. The detection device of a gas sensor according to claim 5, characterized in that the detection device of a gas sensor further comprises an air pump (8), the air pump (8) being arranged between the detection box (6) and the gas distribution box (2).
7. The gas sensor detection device according to claim 6, further comprising a number of second air ducts (52), said second air ducts (52) being adapted to be connected to said first mounting port (201), to said second mounting port (601), to said air pump (8) for communication between said air distribution box (2), said air pump (8) and said detection box (6).
8. The gas sensor detection device according to claim 7, wherein the detection box (6) comprises a first detection box unit (61) and a second detection box unit (62), the gas pump (8) comprises a first gas pump unit (81) and a second gas pump unit (82), the gas distribution box (2) is provided with a plurality of first mounting ports (201) on two sides, the first detection box unit (61) and the second detection box unit (62) are provided with second mounting ports (601) on two sides, the standard sensor (3) is arranged in the first detection box unit (61), and the sensor (4) to be detected is arranged in the second detection box unit (62).
9. The detection device of a gas sensor according to claim 8, wherein a second mounting port (601) on one side of the first detection tank unit (61) communicates with the first mounting port (201) on one side of the gas distribution tank (2) through the second gas duct (52), and a second mounting port (601) on the other side of the first detection tank unit (61) communicates with the first mounting port (201) on the other side of the gas distribution tank (2) through the second gas duct (52);
the first air pump unit (81) one end is communicated with the first mounting port (201) on one side of the air distribution box (2) through the second air guide pipe (52), the other end is communicated with the second mounting port (601) on one side of the second detection box unit (62), the second mounting port (601) on the other side of the second detection box unit (62) is communicated with one end of the second air pump unit (82) through the second air guide pipe (52), and the other end of the second air pump unit (82) is communicated with the first mounting port (201) on the other side of the air distribution box (2) through the second air guide pipe (52).
10. The device according to claim 1, characterized in that the gas distribution box (2) is provided with a plurality of clamping mechanisms, and the standard sensor (3) and the sensor to be measured (4) are connected with the clamping mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385578.4U CN220473468U (en) | 2023-06-01 | 2023-06-01 | Detection device of gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385578.4U CN220473468U (en) | 2023-06-01 | 2023-06-01 | Detection device of gas sensor |
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| Publication Number | Publication Date |
|---|---|
| CN220473468U true CN220473468U (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321385578.4U Active CN220473468U (en) | 2023-06-01 | 2023-06-01 | Detection device of gas sensor |
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| Country | Link |
|---|---|
| CN (1) | CN220473468U (en) |
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2023
- 2023-06-01 CN CN202321385578.4U patent/CN220473468U/en active Active
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