CN219625454U - Gas sensor performance testing device - Google Patents
Gas sensor performance testing device Download PDFInfo
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- CN219625454U CN219625454U CN202223584294.6U CN202223584294U CN219625454U CN 219625454 U CN219625454 U CN 219625454U CN 202223584294 U CN202223584294 U CN 202223584294U CN 219625454 U CN219625454 U CN 219625454U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model belongs to the technical field of test equipment, and provides a gas sensor performance test device which comprises a test body, a cavity cover and a gas sensor base station, wherein the test body is provided with a cavity cover; a testing cavity is formed in the testing body and is in a spindle shape, and an air inlet and an air outlet which are communicated with the testing cavity are formed in the side wall of the testing body; the cavity cover is arranged in the test cavity; the gas sensor base is arranged in the mounting cavity. According to the gas sensor performance testing device provided by the embodiment of the utility model, the testing cavity in the testing body is designed to be of the spindle-shaped structure, compared with the square structure, the volume of the testing body can be effectively reduced, the gas inlet and the gas outlet on the side wall of the testing body can realize the testing of the gas replacement efficiency, and meanwhile, the testing cavity in the spindle-shaped structure keeps a low Reynolds number and a stable gas flow field, so that the accurate testing of the gas sensor performance can be realized.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to a gas sensor performance test device.
Background
With the progress of scientific technology, the performance requirements on the gas sensor are higher and higher, and extremely high conditions are put forward on the response time, the sensitivity and the like of the gas sensor in some occasions.
The performance evaluation device of the gas sensor is equipment for detecting the performance of the gas sensor, however, compared with the rapid development of the gas sensor, the performance evaluation device of the gas sensor is relatively lagged, and the test cabin of the current performance evaluation device mostly adopts a square structure, so that the problems of large volume, low gas replacement efficiency, smoothness, instability and the like exist, the final performance evaluation parameter can not truly reflect the performance of the gas sensor, further the actual use scene, the service life and the like of the gas sensor are affected, and therefore, how to accurately evaluate the performance of the gas sensor is important.
Disclosure of Invention
The utility model provides a performance testing device for a gas sensor, which is used for solving the problems of large volume, low gas replacement efficiency and smoothness and instability of a testing cabin in the prior art and can not truly reflect the performance of the gas sensor.
The utility model provides a gas sensor performance testing device, comprising:
the testing device comprises a testing body, wherein a testing cavity is formed in the testing body, the testing cavity is in a spindle shape, and an air inlet and an air outlet which are communicated with the testing cavity are formed in the side wall of the testing body;
the cavity cover is arranged in the test cavity;
and the gas sensor base is arranged in the test cavity.
According to the embodiment of the utility model, the testing cavity comprises an air inlet cavity, a mounting cavity and an air outlet cavity which are sequentially communicated, wherein the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet;
the cross section size of the air inlet cavity is gradually increased along the air inlet to the mounting cavity, and the cross section size of the air outlet cavity is gradually reduced along the mounting cavity to the air outlet.
According to an embodiment of the present utility model, there is provided a gas sensor performance test apparatus, the test body including:
the cavity is internally provided with the test cavity;
a support part connected to the cavity;
the chamber cover includes:
a support cover which is connected to the support part in an openable and closable manner;
and the sealing cover is arranged on the supporting cover and is suitable for being connected with the test cavity.
According to an embodiment of the present utility model, there is provided a gas sensor performance test apparatus, the sealing cover including:
a sealing part, which is suitable for being arranged in the test cavity;
and the abutting part is suitable for abutting against the supporting part.
According to the embodiment of the utility model, the supporting part is provided with the sealing ring matched with the abutting part.
According to an embodiment of the present utility model, there is provided a gas sensor performance test apparatus, the gas sensor base including:
the circuit board is arranged on the bottom wall of the mounting cavity; the circuit board is provided with a test circuit;
and the pin seat is connected with the circuit board.
According to the embodiment of the utility model, the gas sensor performance testing device is provided, and the circuit board is also provided with at least one of a heating circuit and a protection circuit.
According to an embodiment of the present utility model, there is provided a gas sensor performance test apparatus, the gas sensor base station further including:
a base plate detachably connected to the bottom wall of the mounting cavity;
the circuit board is mounted on the substrate.
According to an embodiment of the present utility model, there is provided a gas sensor performance test apparatus, further including:
and the monitoring element is arranged in the test cavity.
According to an embodiment of the utility model, a gas sensor performance testing device is provided, and the monitoring element comprises at least one of a temperature monitor, a humidity monitor and a pressure monitor.
According to the gas sensor performance testing device provided by the embodiment of the utility model, the testing cavity in the testing body is designed to be of the spindle-shaped structure, compared with the square structure, the volume of the testing body can be effectively reduced, the gas inlet and the gas outlet on the side wall of the testing body can realize the testing of the gas replacement efficiency, and meanwhile, the testing cavity in the spindle-shaped structure keeps a low Reynolds number and a stable gas flow field, so that the accurate testing of the gas sensor performance can be realized.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a gas sensor performance test apparatus according to an embodiment of the present utility model;
FIG. 2 is a front view of a test body provided by an embodiment of the present utility model;
FIG. 3 is a side view of a test body provided by an embodiment of the present utility model;
FIG. 4 is a rear view of a test body provided by an embodiment of the present utility model;
FIG. 5 is a front view of a chamber cover provided by an embodiment of the utility model;
FIG. 6 is a side view of a chamber cover provided by an embodiment of the utility model;
FIG. 7 is a front view of a gas sensor base provided by an embodiment of the present utility model;
fig. 8 is a side view of a gas sensor base provided by an embodiment of the present utility model.
Reference numerals:
1. a cavity cover; 11. sealing cover; 12. a support cover;
2. a test body; 21. a cavity; 22. a support part; 23. a test chamber; 231. an air inlet cavity; 232. a mounting cavity; 233. an air outlet cavity; 24. an air inlet; 25. an air outlet; 26. a seal ring;
3. a gas sensor base; 31. a substrate; 32. a pin holder; 33. a circuit board.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted 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 embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
A gas sensor performance testing apparatus according to an embodiment of the present utility model is described below with reference to fig. 1 to 8.
Fig. 1 illustrates a schematic structural diagram of a gas sensor performance testing device according to an embodiment of the present utility model, and as shown in fig. 1, the gas sensor performance testing device includes a testing body 2, a cavity cover 1, and a gas sensor base 3; the testing device comprises a testing body 2, a testing cavity 23, a spindle-shaped testing cavity 23, a gas inlet 24 and a gas outlet 25, wherein the gas inlet 24 and the gas outlet 25 are formed in the testing body 2; the cavity cover 1 is arranged in the test cavity 23; the gas sensor base 3 is provided in the test chamber 23.
It will be appreciated that when the chamber cover 1 is disposed in the test chamber 23 of the test body 2, the test chamber 23 is sealed by the chamber cover 1, and at this time, the inside of the test chamber 23 is in a completely sealed state.
It will be appreciated that the test chamber 23 inside the test body 2 is spindle-shaped, conforms to the fluid movement characteristics, and allows gas to enter the test chamber 23 through the gas inlet 24 and maintains a low reynolds number and stable gas flow field.
It should be noted that, the test cabin of the existing performance evaluation device for gas sensors mostly adopts a square structure, and the side wall of the test cabin is provided with the air inlet 24, and the air inlet 24 is used for ventilating the test cabin to test the performance of the gas sensor in the test cabin, but part of the gas entering the test cabin through the air inlet 24 can stay in the test cabin (such as on four corners of the test cabin), so that the airflow in the test cabin is unstable, and the final performance evaluation parameter can not truly reflect the performance of the gas sensor, thereby affecting the actual use scene and service life of the gas sensor. In the embodiment of the utility model, the test cavity 23 is designed into a spindle-shaped structure, accords with the fluid motion characteristics, and maintains a low Reynolds number and a stable gas flow field inside, so that the final performance evaluation parameter can truly reflect the performance of the gas sensor.
In the conventional static test for a gas sensor, only the gas inlet 24 is provided in the test chamber of the gas sensor performance evaluation device, and the gas in the test chamber cannot be discharged, so that the test for the gas replacement efficiency cannot be realized. In the embodiment of the utility model, the air inlet 24 and the air outlet 25 are arranged on the side wall of the test body 2, so that the test of the gas replacement efficiency can be realized.
It should be noted that, in the existing dynamic test for the gas sensor, the test cabin of the performance evaluation device for the gas sensor mostly adopts a square structure, even if the air outlet 25 is arranged on the side wall of the test cabin, part of the gas entering the test cabin through the air inlet 24 can stay in the test cabin due to the problems of dead volume, large volume and the like of the structure of the test cabin, so that the air flow in the test cabin is unstable, and the problems of low gas replacement efficiency, serious adsorption and the like can be caused. In the embodiment of the utility model, the test cavity 23 is designed into a spindle-shaped structure, the divergent angle is not more than 29 degrees, the characteristics of fluid movement are met, the low Reynolds number and stable gas flow field are kept inside, and the accurate test can be performed on the evaluation indexes such as response recovery time, sensitivity, selectivity and the like of the gas sensor.
According to the gas sensor performance testing device provided by the embodiment of the utility model, the testing cavity 23 in the testing body 2 is designed to be in a spindle-shaped structure, compared with a square structure, the volume of the testing body 2 can be effectively reduced, the gas inlet 24 and the gas outlet 25 on the side wall of the testing body 2 can be used for testing the gas replacement efficiency, and meanwhile, the low Reynolds number and stable gas flow field are kept in the testing cavity 23 in the spindle-shaped structure, so that the accurate test of the gas sensor performance can be realized.
In one embodiment of the present utility model, fig. 2 illustrates a front view of the test body provided by the embodiment of the present utility model, fig. 3 illustrates a side view of the test body provided by the embodiment of the present utility model, fig. 4 illustrates a rear view of the test body provided by the embodiment of the present utility model, and as shown in fig. 2, 3 and 4, the test chamber 23 includes an air inlet chamber 231, a mounting chamber 232 and an air outlet chamber 233 which are sequentially communicated, the air inlet chamber 231 is communicated with the air inlet 24, and the air outlet chamber 233 is communicated with the air outlet 25; the cross-sectional dimension of the air inlet chamber 231 gradually increases along the air inlet 24 toward the mounting chamber 232, and the cross-sectional dimension of the air outlet chamber 233 gradually decreases along the mounting chamber 232 toward the air outlet 25.
It will be appreciated that the test chamber 23 includes a mounting chamber 232 at the middle, and an air inlet chamber 231 and an air outlet chamber 233 at both sides of the mounting chamber 232, respectively, the inlet end of the air inlet chamber 231 is communicated with the air inlet 24, the outlet end of the air inlet chamber 231 is communicated with one end of the mounting chamber 232, the other end of the mounting chamber 232 is communicated with the inlet end of the air outlet chamber 233, and the outlet end of the air outlet chamber 233 is communicated with the air outlet 25. The air inlet cavity 231 is used as the air inlet end of the test cavity 23, the air outlet cavity 233 can be used as the air outlet end of the test cavity 23, the air inlet cavity 231 (air inlet end) is of a gradually expanding structure, the cross section size of the air inlet cavity 231 gradually increases towards the mounting cavity 232 along the air inlet 24, the air outlet cavity 233 (air outlet end) is of a gradually shrinking structure, the cross section size of the air outlet cavity 233 gradually decreases towards the air outlet 25 along the mounting cavity 232, that is, the cross section size of the air inlet cavity 231 gradually increases from the inlet end of the air inlet cavity 231 to the outlet end of the air inlet cavity 231, and the cross section size of the air outlet cavity 233 gradually increases from the inlet end of the air outlet cavity 233 to the outlet end of the air outlet cavity 233.
It can be understood that the air inlet cavity 231 (air inlet end) of the test cavity 23 is of a gradually-expanding structure, the air outlet cavity 233 (air outlet end) is of a gradually-shrinking structure, the included angles of the gradually-expanding opening of the air inlet end and the gradually-shrinking opening of the air outlet end are all smaller than or equal to 29 degrees, fluid movement characteristics are met, air flow energy loss is low, and an internal laminar flow state is ensured, so that the accurate test of the performance of the gas sensor can be realized.
It will be appreciated that the gas sensor mount 3 is disposed in the mounting cavity 232. It is understood that the inlet chamber 231 and the outlet chamber 233 may have the same structure and are symmetrically arranged with respect to the mounting chamber 232.
In one embodiment of the present utility model, the inlet end of the air inlet chamber 231 is sized to fit the size of the air inlet 24, and the outlet end of the air outlet chamber 233 is sized to fit the size of the air outlet 25.
It can be understood that the inlet end of the air inlet cavity 231 has a square structure, and the air inlet 24 may be a square hole identical to the square structure, or may be a center hole corresponding to the square structure; the design of the outlet end of the air outlet cavity 233 and the air outlet 25 is the same as the inlet end of the air inlet cavity 231 and the air inlet 24, and this embodiment is not described here again.
According to the embodiment of the utility model, one end of the testing body 2 is connected with one end of the cavity cover 1 through a hinge, and the other end of the testing body 2 is fixed with the other end of the cavity cover 1 through a fastening switch; the gas sensor base 3 is connected with the test body 2 through a screw thread; when the cavity cover 1 is closed on the test body 2 by fastening the switch, the inside of the test body 2 is in a completely sealed state except for the air inlet 24 and the air outlet 25; the inside of the test body 2 is in a spindle-shaped structure, accords with the fluid movement characteristics, and keeps a low Reynolds number and a stable gas flow field inside.
In one embodiment of the present utility model, as shown in fig. 2, 3 and 4, the test body 2 includes two parts, a cavity 21 and a supporting part 22, respectively, and a test cavity 23 is formed inside the cavity 21; the support portion 22 is disposed at an end of the cavity 21 away from the bottom wall of the test cavity 23, and the support portion 22 is adapted to be connected to the cavity cover 1.
According to an embodiment of the present utility model, fig. 5 illustrates a front view of a cavity cover provided by the embodiment of the present utility model, and fig. 6 illustrates a side view of the cavity cover provided by the embodiment of the present utility model, as shown in fig. 5 and 6, the cavity cover 1 includes two parts, an outer support cover 12 and an inner sealing cover 11, respectively, and the sealing cover 11 is fixedly connected to one side of the support cover 12; wherein the support cover 12 is connected to the support 22 in an openable and closable manner; the sealing cover 11 is adapted to be connected to the test chamber 23 when the support cover 12 is connected to the support 22, so as to achieve a sealing of the test chamber 23.
It will be appreciated that the sealing cover 11 may be made of a material with low adsorption, low release and high temperature resistance, such as PEEK (polyetheretherketone) material, and the supporting cover 12 is made of a material with low adsorption metal, such as stainless steel, for engagement with the testing body 2, and at the same time, plays a supporting role, so as to ensure that the sealing cover 11 maintains a fixed shape in any case without deformation.
It can be understood that the sealing cover 11 plays a role of sealing the test cavity 23, the sealing cover 11 has a two-layer structure, the outer layer is an abutting part, the inner layer is a sealing part, the sealing part of the inner layer is a spindle-shaped structure matched with the test cavity 23, and the abutting part of the outer layer is matched with the supporting part 22 exposed outside the test body 2.
In one embodiment of the present utility model, the middle part of the outer surface of the supporting part 22 is provided with a receiving groove matched with the abutting part, when the sealing part is connected to the testing cavity 23, the abutting part connected with the sealing part is positioned in the receiving groove, and then the supporting part 22 is provided with a sealing ring 26 positioned at the periphery of the abutting part, and the sealing ring 26 keeps airtight when the testing body 2 and the cavity cover 1 are connected.
In one embodiment of the present utility model, fig. 7 illustrates a front view of a gas sensor base provided by the embodiment of the present utility model, and fig. 8 illustrates a side view of the gas sensor base provided by the embodiment of the present utility model, as shown in fig. 7 and 8, the gas sensor base 3 is for mounting a gas sensor to be measured, and the gas sensor base 3 includes a circuit board 33 and a socket holder 32; wherein the circuit board 33 is disposed at the bottom wall of the mounting cavity 232; the socket 32 is connected to a circuit board 33.
Further, the gas sensor base 3 further includes a base plate 31, the base plate 31 is detachably connected to the bottom wall of the mounting cavity 232, and the circuit board 33 is mounted on the base plate 31.
It will be appreciated that the circuit board 33 is mounted to the bottom wall of the mounting cavity 232 by the base plate 31, and that the base plate 31 is detachably connected to facilitate quick replacement of the circuit board 33.
It will be appreciated that the circuit board 33 has a test circuit, which is externally connected to a test platform for use in performing performance tests on the gas sensor to be tested.
It can be understood that the plug pin holder 32 is used for installing the gas sensor to be tested, so that the position of the plug pin holder 32 is not unique, and the position and the size of the plug pin holder 32 can be adjusted according to the actual structure of the gas sensor to be tested so as to meet the test requirements of different gas sensors; the socket 32 can be made of nickel-plated material, so that signal transmission is facilitated, and the requirement of quick replacement of the circuit board 33 is met.
It should be noted that, the pin holder 32 includes a plurality of pins vertically arranged on the circuit board 33, and the adjustment of the position of the pin holder 32 may refer to the adjustment of the arrangement mode of the plurality of pins, or may refer to the adjustment of the number of pins; the adjustment of the size of the pin holder 32 may be the adjustment of the diameter of the pin or the adjustment of the axial length of the pin.
It should be noted that, the positions and the sizes of the pin holders 32 are adjusted so that the gas sensor to be measured is mounted on the pin holders 32, and the orientation of the gas inlet 24 and the gas outlet 25 on the test cavity 23 is opposite to the sensitive position of the gas sensor.
It will be appreciated that the internal height of the test chamber 23 is designed such that the sensitive location of the gas sensor is exactly in the middle after installation, and that the inlet 24 and outlet 25 are also located at half the height of the test chamber 23.
It will be appreciated that the mounting cavity 232 is provided with a sensor abutment mounting opening for connection with the base plate 31 of the gas sensor abutment 3, where the connection may be a threaded connection, and the sensor abutment mounting opening is a threaded structure.
In one embodiment of the present utility model, the circuit board 33 further has at least one of a heating circuit and a protection circuit.
It can be understood that the circuit board 33 is a circuit board specially designed for the gas sensor, and can be provided with a heating circuit and a protection circuit, wherein the heating circuit and the protection circuit can adjust the voltage required by heating, and the protection circuit can monitor the gas sensor and cut off the gas sensor in time so as to prevent the gas sensor and equipment from being possibly damaged; the heating circuit and the protection circuit can determine whether it is needed according to the actual sensor type.
In one embodiment of the utility model, the test device further comprises a monitoring element disposed within the test chamber 23.
It can be understood that the monitoring element is used for monitoring the temperature, humidity and pressure conditions inside the test body 2 in real time, and the monitoring element can be at least one of a temperature monitor, a humidity monitor and a pressure monitor.
It should be noted that the monitoring element may be other measurement components, specifically configured according to actual test requirements, for example, the monitoring element is a gas concentration monitor; the sensor detection equipment with different humiture, pressure, concentration and the like can be installed according to actual monitoring requirements.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A gas sensor performance testing apparatus, comprising:
the testing device comprises a testing body (2), wherein a testing cavity (23) is formed in the testing body (2), the testing cavity (23) is in a spindle shape, and an air inlet (24) and an air outlet (25) which are communicated with the testing cavity (23) are formed in the side wall of the testing body (2);
the cavity cover (1) is arranged in the test cavity (23);
and a gas sensor base (3) provided in the test chamber (23).
2. The gas sensor performance test device according to claim 1, wherein the test chamber (23) comprises an air inlet chamber (231), a mounting chamber (232) and an air outlet chamber (233) which are sequentially communicated, the air inlet chamber (231) is communicated with the air inlet (24), and the air outlet chamber (233) is communicated with the air outlet (25);
the cross-sectional dimension of the air inlet cavity (231) gradually increases along the air inlet (24) to the mounting cavity (232), and the cross-sectional dimension of the air outlet cavity (233) gradually decreases along the mounting cavity (232) to the air outlet (25).
3. The gas sensor performance testing apparatus according to claim 2, wherein the testing body (2) comprises:
a cavity (21) in which the test chamber (23) is formed;
a support (22) connected to the cavity (21);
the chamber cover (1) comprises:
a support cover (12) which is connected to the support part (22) in an openable and closable manner;
and the sealing cover (11) is arranged on the supporting cover (12) and is suitable for being connected with the testing cavity (23).
4. A gas sensor performance test apparatus according to claim 3, wherein the sealing cover (11) comprises:
a sealing part adapted to be arranged in the test chamber (23);
and an abutting part adapted to abut against the supporting part (22).
5. The gas sensor performance test apparatus according to claim 4, wherein the support portion (22) is provided with a seal ring (26) that mates with the abutment portion.
6. The gas sensor performance test apparatus according to any one of claims 2 to 5, wherein the gas sensor base (3) comprises:
a circuit board (33) provided on the bottom wall of the mounting chamber (232); the circuit board (33) has a test circuit;
and a socket holder (32) connected to the circuit board (33).
7. The gas sensor performance test apparatus of claim 6, wherein the circuit board (33) further has at least one of a heating circuit and a protection circuit.
8. The gas sensor performance test apparatus according to claim 6, wherein the gas sensor base (3) further comprises:
a base plate (31) detachably attached to a bottom wall of the mounting chamber (232);
the circuit board (33) is mounted on the substrate (31).
9. The gas sensor performance test apparatus according to any one of claims 1 to 5, further comprising:
and the monitoring element is arranged in the test cavity (23).
10. The gas sensor performance testing apparatus of claim 9, wherein the monitoring element comprises at least one of a temperature monitor, a humidity monitor, and a pressure monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584294.6U CN219625454U (en) | 2022-12-30 | 2022-12-30 | Gas sensor performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223584294.6U CN219625454U (en) | 2022-12-30 | 2022-12-30 | Gas sensor performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625454U true CN219625454U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223584294.6U Active CN219625454U (en) | 2022-12-30 | 2022-12-30 | Gas sensor performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219625454U (en) |
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2022
- 2022-12-30 CN CN202223584294.6U patent/CN219625454U/en active Active
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