CN220187887U - Device for testing response speed of automobile NTC temperature sensor to temperature - Google Patents
Device for testing response speed of automobile NTC temperature sensor to temperature Download PDFInfo
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- CN220187887U CN220187887U CN202321725579.9U CN202321725579U CN220187887U CN 220187887 U CN220187887 U CN 220187887U CN 202321725579 U CN202321725579 U CN 202321725579U CN 220187887 U CN220187887 U CN 220187887U
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 239000000523 sample Substances 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of sensor testing, and particularly provides a testing device for the temperature response rate of an automobile NTC temperature sensor, which comprises a heating module, a charging socket and a collecting assembly, wherein the heating module is provided with a plug connector which can be matched with a jack of the charging socket, a first mounting position for mounting the temperature sensor to be tested and a second mounting position for mounting a temperature probe are arranged at the edge of the jack, and the collecting assembly comprises a resistance detection circuit which can be connected with the temperature sensor to be tested and a temperature collecting circuit which can be connected with the temperature probe. According to the utility model, the working states of the charging socket under different working conditions are simulated, and the thermocouple probe is adopted to measure the actual temperature state of the temperature sensor to be measured in real time, so that the temperature response rate of the temperature sensor to be measured is tested, and the accuracy and reliability of the test result are improved.
Description
Technical Field
The utility model belongs to the technical field of sensor testing, and particularly relates to a testing device for the response speed of an automobile NTC temperature sensor to temperature.
Background
In the automobile charging process, the NTC temperature sensor of the automobile charging socket converts resistance data into a temperature signal representing the temperature of the charging socket and feeds the temperature signal back to the control module to monitor and adjust the temperature of the automobile charging socket in real time, and the response speed of the temperature sensor to the temperature directly influences the operation safety of an automobile charging system. However, there is a lack of a device for testing the temperature response rate of an NTC temperature sensor of an automobile charging socket.
Disclosure of Invention
The utility model provides a device for testing the response speed of an automobile NTC temperature sensor to temperature, which can at least solve part of defects in the prior art.
The utility model is realized in the following way:
the utility model provides a testing device for the temperature response rate of an automobile NTC temperature sensor, which comprises a heating module, a charging socket and a collecting assembly, wherein the heating module is provided with a plug connector which can be matched with a jack of the charging socket, a first mounting position for mounting the temperature sensor to be tested and a second mounting position for mounting a temperature probe are arranged at the edge of the jack, and the collecting assembly comprises a resistance detection circuit which can be connected with the temperature sensor to be tested and a temperature collecting circuit which can be connected with the temperature probe.
Preferably, the heating module comprises a digital display heating pipe, and the plug is positioned at the heating end of the digital display heating pipe.
Preferably, the temperature probe is a thermocouple probe.
Preferably, the thermocouple probe is thermoplastically fixed at the jack edge.
Preferably, the temperature acquisition circuit comprises a connection terminal detachably connected with the thermocouple probe.
Preferably, at the jack, the first mounting position and the second mounting position are arranged side by side.
Preferably, a plurality of groups of jacks are arranged on the socket, and the jacks are distributed in a discrete mode.
Preferably, the temperature acquisition circuit and the resistance detection circuit are multiple groups.
The utility model has at least the following beneficial effects:
(1) According to the utility model, the digital display heating pipe is adopted to heat the charging socket, so that the simulation of the heating state of the charging socket under different charging working conditions is realized, the temperature of the charging socket is controllable and easy to control, the heating state of the charging socket under different working conditions can be effectively covered, the test result can reflect the reaction state and the response speed of the automobile temperature sensor, and meanwhile, the basis is provided for the layout design of the charging socket and the temperature sensor of the automobile.
(2) According to the utility model, the temperature sensor to be tested and the thermocouple probe are arranged side by side, so that the actual temperature state of the temperature sensor to be tested of the charging socket is obtained in real time, and the operability and accuracy of the test are improved.
(3) According to the utility model, the temperature data and the resistance data are acquired by the multi-path temperature acquisition circuit and the multi-path resistance detection circuit, so that the testing precision and the accuracy are improved.
Drawings
Fig. 1 is a schematic structural diagram of an automobile NTC temperature sensor versus temperature response rate testing device according to an embodiment of the present utility model;
fig. 2 is a flow chart of a method for testing a temperature response rate of an automobile NTC temperature sensor according to an embodiment of the present utility model.
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.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices 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 present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1, an embodiment of the present utility model provides a device for testing a response speed of an automobile NTC temperature sensor to temperature, which includes a heating module 11, a charging socket 12 and a collecting assembly 15, where the heating module has a plug that can extend into the charging socket and is matched with a jack, a first mounting position for mounting a temperature sensor 13 to be tested and a second mounting position for mounting a temperature probe 14 are provided at an edge of the jack, and the collecting assembly 15 includes a resistance detection circuit that can be connected with the temperature sensor 13 to be tested and a temperature collecting circuit that can be connected with the temperature probe 14. In the embodiment provided by the utility model, the heating module 11 is used for heating the charging socket to simulate the heating state when the charging socket is in different charging working conditions, in an optional embodiment, the heating module comprises a digital display heating pipe, the plug connector is arranged at the heating tail end of the digital display heating pipe, or the plug connector is a heating part of the digital display heating pipe, the heat generated by the digital display heating pipe is effectively emitted at the plug connector, in addition, the heating temperature can be displayed in real time through the digital display heating pipe, and meanwhile, the heating temperature at the plug connector can be regulated, so that the heating state when the charging socket 12 is in different working conditions can be effectively covered. Preferably, the charging socket 12 is provided with a plurality of groups of jacks, and each jack is discretely distributed. Preferably, the temperature probe 14 is a thermocouple probe for acquiring temperature data representing the ambient temperature of the location where the temperature sensor 13 to be measured is located in real time. Preferably, the temperature sensor to be measured and the thermocouple probe heat shrinkage tube are installed in a thermoplastic mode, specifically, the heat shrinkage tube wraps the temperature sensor to be measured 13 and the thermocouple probe 14, and shrinkage of the heat shrinkage tube is completed through hot air shaping. Preferably, the first installation position and the second installation position are arranged side by side so as to ensure that the ambient temperature of the first installation position and the second installation position are consistent.
In the embodiment provided by the utility model, the resistance detection circuit is used for sampling the resistance value of the temperature sensor 13 to be measured in real time, the temperature acquisition circuit is used for acquiring the temperature data from the thermocouple probe 14, preferably, the temperature acquisition circuit and the resistance detection circuit are multiple groups, and preferably, the temperature acquisition circuit comprises a connecting terminal detachably connected with the thermocouple probe. Optionally, the collection component adopts a high-precision multichannel digital scanner, for example, a KEYSIGHTDAQ970A multichannel scanning data collection system is selected, so that the data sampling frequency can be flexibly set, and the test precision and accuracy are improved.
In an alternative embodiment, the testing device further includes a control circuit connected to the collecting component, for processing the real-time resistance data of the temperature sensor 13 to be tested and the temperature data, and specifically, the control circuit may control the working state of the collecting component according to the temperature data;
in an alternative embodiment, the testing device further includes a data processing circuit connected to the collecting component, so as to fit and compare the temperature data and the resistance data to obtain a response rate of the temperature sensor to be tested to the temperature.
As shown in fig. 2, the testing steps of the testing device for the response rate of the automobile NTC temperature sensor to temperature provided by the embodiment of the utility model are as follows:
s1, inserting a digital display heating pipe 11 into a jack of a charging socket 12;
s2, setting the temperature of the digital display heating pipe 11 To be a constant value To;
s3, installing each temperature sensor 13 to be detected and each temperature probe 14 side by side at the edge of the jack, and starting an acquisition assembly 15 to synchronously acquire the resistance value data of each NTC temperature sensor 13 and the temperature data of each temperature probe 14 in real time;
s4, after the resistance value of each temperature sensor 13 to be tested is stable, judging whether the real-time temperature data reach a set test temperature threshold value T1, if the real-time temperature data do not reach the set test temperature threshold value T1, controlling the acquisition assembly to continue to work, and if the real-time temperature data reach the set test temperature threshold value T1, controlling the acquisition assembly to stop working;
s5, converting the resistance value data of each temperature sensor 13 to be detected into a corresponding temperature value, and carrying out fitting comparison with the temperature data from the temperature probes 14 arranged side by side;
wherein T1< To.
Preferably, the heating modules with different sizes and powers are customized according to the layout and aperture of the charging socket, or the heating modules are provided with a plurality of groups of plugs, which can be matched with the jacks of the charging sockets with different specifications.
The utility model relates to the technical field of sensor testing, and provides a testing device for the response rate of an automobile NTC temperature sensor to temperature, which comprises a heating module, a charging socket and a collecting assembly, wherein the heating module is provided with a plug connector which can be matched with a jack of the charging socket, a first mounting position for mounting the temperature sensor to be tested and a second mounting position for mounting a temperature probe are arranged at the edge of the jack, and the collecting assembly comprises a resistance detection circuit which can be connected with the temperature sensor to be tested and a temperature collecting circuit which can be connected with the temperature probe. According to the utility model, the digital display heating pipe is adopted to heat the charging socket, so that the simulation of the heating state of the charging socket under different charging working conditions is realized, the temperature of the charging socket is controllable and easy to control, the heating state of the charging socket under different working conditions can be effectively covered, the test result can reflect the reaction state and the response speed of the automobile temperature sensor, and meanwhile, the basis is provided for the layout design of the charging socket and the temperature sensor of the automobile; the temperature sensor to be tested and the thermocouple probe are arranged side by side, so that the actual temperature state of the temperature sensor to be tested of the charging socket is obtained in real time, and the operability and the accuracy of the test are improved; temperature data and resistance data are acquired through the multi-path temperature acquisition circuit and the multi-path resistance detection circuit, and the testing precision and accuracy are improved.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.
Claims (8)
1. The utility model provides a car NTC temperature sensor is to testing arrangement of temperature response rate, its characterized in that, includes heating module, charging socket and collection subassembly, heating module has the plug that can match with the jack of charging socket, in the border department of jack is provided with the first installation position that supplies temperature sensor to await measuring to install and is provided with temperature probe's second installation position, collection subassembly includes the resistance detection circuit that can be connected with temperature sensor to await measuring and can be connected with temperature probe's temperature acquisition circuit.
2. The test device of claim 1, wherein the heating module comprises a digital heating tube, and the plug is positioned at a heating end of the digital heating tube.
3. The test device of claim 1, wherein the temperature probe is a thermocouple probe.
4. A test device according to claim 3, wherein the thermocouple probe is thermoplastically secured at the edge of the receptacle.
5. A test device according to claim 3, wherein the temperature acquisition circuit comprises a connection terminal for detachable connection with a thermocouple probe.
6. The test device of claim 1, wherein the first mounting location is disposed side-by-side with the second mounting location at the receptacle.
7. The test device of claim 1, wherein a plurality of sets of jacks are provided on the socket, each of the jacks being discretely distributed.
8. The test device of claim 1, wherein the temperature acquisition circuit and the resistance detection circuit are each a plurality of groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725579.9U CN220187887U (en) | 2023-07-04 | 2023-07-04 | Device for testing response speed of automobile NTC temperature sensor to temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725579.9U CN220187887U (en) | 2023-07-04 | 2023-07-04 | Device for testing response speed of automobile NTC temperature sensor to temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187887U true CN220187887U (en) | 2023-12-15 |
Family
ID=89114902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725579.9U Active CN220187887U (en) | 2023-07-04 | 2023-07-04 | Device for testing response speed of automobile NTC temperature sensor to temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187887U (en) |
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2023
- 2023-07-04 CN CN202321725579.9U patent/CN220187887U/en active Active
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