CN216449692U - Contactor testing device - Google Patents
Contactor testing device Download PDFInfo
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- CN216449692U CN216449692U CN202120476478.7U CN202120476478U CN216449692U CN 216449692 U CN216449692 U CN 216449692U CN 202120476478 U CN202120476478 U CN 202120476478U CN 216449692 U CN216449692 U CN 216449692U
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Abstract
The application provides a testing arrangement of contactor, this testing arrangement includes: the electronic load unit is used for being electrically connected with the contactor to be tested; the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current; and the control chip is electrically connected with the electronic load unit and the data acquisition unit respectively, is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested, and generating comparison information, wherein the comparison information comprises information used for representing whether the contactor to be tested is qualified or not. The testing device of the contactor realizes the automatic detection of the service life of the contactor to be tested under different voltages and currents, and ensures that the electrical service life of the contactor can be more efficiently and accurately tested, thereby solving the problem of lower electrical service life testing efficiency of the contactor in the prior art.
Description
Technical Field
The application relates to the field of contactors, in particular to a testing device of a contactor.
Background
The high-voltage direct-current contactor is a core electronic component of a high-voltage control box of a pure electric vehicle, and the component has the functions of conducting and breaking a high-voltage circuit loop and a low-voltage circuit loop in a circuit, so that the service life of the contactor is directly related to the safety and the stability of vehicle running.
The service life parameters of the high-voltage direct-current contactor are mainly two, namely mechanical service life and electrical service life; the mechanical life refers to the cycle times that the contactor can be normally closed and disconnected under the no-load working condition; the electrical service life is the frequency of continuous normal work according to the experimental requirement when the rated load is connected under the specified on-load working condition; the mechanical life of a contactor is generally much longer than its electrical life, and testing for contactor life is therefore dominated by electrical life.
In the existing testing technology, a large number of tests are generally carried out through manual sampling tests and devices such as a timer and a counter to obtain the electrical service life of a contactor, and the operation mode testing efficiency is low and the operation and judgment are highly dependent on personnel operation and judgment.
SUMMERY OF THE UTILITY MODEL
The main objective of this application provides a testing arrangement of contactor to solve the lower problem of electrical life test efficiency of contactor among the prior art.
In order to achieve the above object, according to one aspect of the present application, there is provided a testing apparatus of a contactor, including: the electronic load unit is used for being electrically connected with the contactor to be tested; the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current; the control chip is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested, and generating comparison information, wherein the comparison information comprises information used for representing whether the contactor to be tested is qualified.
Further, the apparatus further comprises: the drive unit, drive unit's one end with control chip electricity is connected, drive unit's the other end be used for with the contactor electricity that awaits measuring is connected, control chip is through control drive unit opens or closes, controls the on-off state of contactor that awaits measuring.
Further, the driving unit includes a transistor.
Further, the apparatus further comprises: and the data storage unit is electrically connected with the control chip and is used for storing the output data and the comparison information sent by the control chip.
Further, the apparatus further comprises: and the terminal is electrically connected with the control chip and used for acquiring the standard data, sending the standard data to the control chip and controlling the control chip to test the contactor to be tested.
Furthermore, the comparison information further comprises information for representing the testing times of the contactor to be tested, and the terminal is further used for receiving and displaying the comparison information.
Further, the apparatus further comprises: and the test platform is used for placing the contactor to be tested.
Further, the apparatus further comprises: and the power supply unit is at least electrically connected with the data acquisition unit and the control chip respectively, and is used for at least supplying power to the data acquisition unit and the control chip.
Use the technical scheme of this application, the testing arrangement of contactor includes: the electronic load unit is used for being electrically connected with the contactor to be tested; the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current; the control chip is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested, and generating comparison information, wherein the comparison information comprises information used for representing whether the contactor to be tested is qualified. This testing arrangement of contactor, provide corresponding load voltage and electric current for the contactor that awaits measuring through the electronic load unit, the output voltage and these output data of output current of electronic load unit are gathered through the data acquisition unit, the on-off state of the contactor that awaits measuring is controlled through control chip, and according to output data and standard data, the formation sign is awaited measuring whether qualified comparison information of contactor, the contactor that awaits measuring has been realized at different voltages, life automatic detection under the electric current, the electric life that can more high-efficient more accurately test contactor has been guaranteed, thereby the lower problem of electric life efficiency of testing of contactor among the prior art has been solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a schematic structural diagram of a contactor testing device according to one embodiment of the present application;
FIG. 2 shows a flow diagram of a contactor test process according to one embodiment of the present application.
Wherein the figures include the following reference numerals:
11. a drive unit; 12. a test platform; 13. an electronic load unit; 14. a data storage unit; 15. a control chip; 16. a data acquisition unit; 17. a terminal; 18. a power supply unit.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, the efficiency of testing the electrical life of a contactor in the prior art is low, and in order to solve the above problems, the present application provides a testing apparatus for a contactor.
In an exemplary embodiment of the present application, as shown in fig. 1, there is provided a testing apparatus of a contactor, including: an electronic load unit 13 for electrically connecting with a contactor to be tested; a data acquisition unit 16 electrically connected to the electronic load unit 13, wherein the data acquisition unit 16 is configured to acquire output data of the electronic load unit 13, and the output data includes an output voltage and an output current; and a control chip 15 electrically connected to the electronic load unit 13 and the data acquisition unit 16, wherein the control chip 15 is configured to control a switching state of the contactor to be tested, receive the output data, and compare the output data with standard data of the contactor to be tested to generate comparison information, and the comparison information includes information for representing whether the contactor to be tested is qualified.
The testing device of the contactor comprises an electronic load unit, a data acquisition unit and a control chip, wherein the electronic load unit is electrically connected with the contactor to be tested; the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current; the control chip is electrically connected with the electronic load unit and the data acquisition unit respectively and is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested and generating comparison information, wherein the comparison information comprises information for representing whether the contactor to be tested is qualified or not. This testing arrangement of contactor, provide corresponding load voltage and electric current for the contactor that awaits measuring through the electronic load unit, the output voltage and these output data of output current of electronic load unit are gathered through the data acquisition unit, the on-off state of the contactor that awaits measuring is controlled through control chip, and according to output data and standard data, the formation sign is awaited measuring whether qualified comparison information of contactor, the contactor that awaits measuring has been realized at different voltages, life automatic detection under the electric current, the electric life that can more high-efficient more accurately test contactor has been guaranteed, thereby the lower problem of electric life efficiency of testing of contactor among the prior art has been solved.
In the practical application process, the comparison between the output data and the standard data of the contactor to be tested can be realized through a comparator, and comparison information is generated. Of course, the implementation is not limited to the comparator, and the implementation can be realized by any device in the prior art book which can realize the functions.
In a specific embodiment of the present application, the voltage of the electronic load unit is: 0-1000V, current is: 0-500A, but the voltage of the electronic load unit is not limited to 0-1000V, and the current is not limited to 0-500A, and can be any suitable voltage and current.
In another embodiment of the present application, as shown in fig. 1, the apparatus further includes: and a driving unit 11, one end of the driving unit 11 being electrically connected to the control chip 15, the other end of the driving unit 11 being electrically connected to the contactor to be tested, and the control chip 15 controlling the on/off state of the contactor to be tested by controlling the driving unit 11 to be turned on or off. In this embodiment, one end of the driving unit 11 is electrically connected to the control chip 15, and the other end is electrically connected to the contactor to be tested, and the subsequent control chip 15 controls the on-off state of the contactor to be tested by controlling the on-off state of the driving unit 11, so as to further ensure that the control chip 15 can more accurately control the on-off state of the contactor to be tested.
In practical applications, the driving unit may be a driver, but is not limited to a driver, and may be any suitable contactor driving device in the prior art.
In another embodiment of the present application, the driving unit includes a transistor. The transistor is a unipolar semiconductor device, the number of switching times of the transistor is unlimited theoretically, the reliability of the driving unit is further guaranteed to be high, and the problem that the efficiency of testing the electrical service life of the contactor in the prior art is low is further solved.
In a specific embodiment, the transistor is a MOS transistor.
In yet another embodiment of the present application, as shown in fig. 1, the apparatus further includes: the data storage unit 14 is electrically connected with the control chip 15, and the data storage unit 14 is used for storing the output data and the comparison information sent by the control chip 15, so that manual recording of test data is avoided, and the high electrical life test efficiency of the contactor is further ensured.
In an actual application process, the data storage unit is a Universal Serial Bus (USB) storage port, and may store the output data and the comparison information in a text format in the mobile USB disk, and of course, the data storage unit may also be connected to a PC terminal.
In a specific embodiment of the present application, the data storage unit may be a memory, but is not limited to a memory, and may be any suitable device capable of storing the output data sent by the control chip and the comparison information.
In an embodiment of the present application, as shown in fig. 1, the apparatus further includes: and a terminal 17 electrically connected to the control chip 15, wherein the terminal 17 is configured to obtain the standard data, send the standard data to the control chip 15, and control the control chip 15 to test the contactor to be tested.
In a specific embodiment of the application, the terminal is any intelligent terminal in the prior art, such as a computer, a mobile phone, and the like, an operation interface of the terminal is used for setting and displaying parameters of an experiment, and meanwhile, the operation interface uses an anti-touch screen-locking technology to avoid misoperation of personnel after equipment runs.
In another embodiment of the application, the comparison information further includes information for representing the number of testing times of the contactor to be tested, and the terminal is further configured to receive the comparison information and display the comparison information, so that the number of testing times of the contactor to be tested is visually displayed, and the tester can conveniently check the comparison information.
In another embodiment of the present application, as shown in fig. 1, the apparatus further includes: and the test platform 12 is used for placing the contactor to be tested.
In the practical application process, the test platform comprises contactor mounting ports, corresponding insulating materials and supports are used for manufacturing, and 6 contactors can be mounted and tested at the maximum.
In yet another embodiment of the present application, as shown in fig. 1, the apparatus further includes: and a power supply unit 18 electrically connected to at least the data acquisition unit 16 and the control chip 15, respectively, wherein the power supply unit 18 is configured to supply power to at least the data acquisition unit 16 and the control chip 15.
In yet another embodiment of the present application, as shown in fig. 1, the apparatus further includes: and a power supply unit 18 electrically connected to the data acquisition unit 16, the control chip 15, the driving unit 11, the data storage unit 14, and the terminal 17, respectively, wherein the power supply unit 18 is configured to supply power to the data acquisition unit 16, the control chip 15, the driving unit 11, the data storage unit 14, and the terminal 17.
In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the following description will be given with reference to specific embodiments.
Examples
As shown in fig. 2, the contactor to be tested is correctly installed on the testing platform, after the electronic load unit is turned on, the voltage and current parameters of the corresponding tested electronic load unit are set according to the testing requirements of the contactor, after the testing device of the contactor is powered on, the testing parameters such as voltage, current, power, detection times, current deviation value judgment and the like are set through the terminal according to the relevant testing instruction files of the contactor and are used as the testing judgment standard values to return to the terminal, after the start button is pressed, the testing device enters an automatic detection mode to start the anti-misoperation function, the control chip reads the data and the detection instruction of the terminal, sends a corresponding working instruction to the driving unit to drive the contactor to correspondingly start and turn off, after the contactor is turned on, the data acquisition unit acquires the on-off data of the contactor to the electronic load unit, the method comprises the following steps: the voltage, current, power and other data during on-off are transmitted to a control chip, the control chip analyzes and contrasts the received data information, if the on-off voltage and current values of the detected contactor are the same as set standard values or within an error range, the detected contactor is qualified, if the detected contactor is not connected or the data is not within the range, the detected contactor is unqualified, if a single test is completed, the control chip sends the detection result to a data storage unit and a terminal, the data storage unit stores the detection data, the terminal displays the detection result and the detection times (including the preset times), after the data is stored and displayed, according to the detection set instruction data, the control chip sends an instruction whether to enter the next detection cycle, if the corresponding detection number is completed, the device finishes detection, if the detected contactor has not connected, not disconnected or connected, the voltage, the power and the like, And if the current value deviates from the judgment standard, the control chip judges that the detection is unqualified, the terminal alarms and displays fault information, the data storage unit stores the test data, and the detection is finished. If a plurality of contactors are simultaneously detected, the on-off detection is carried out on the contactors one by one according to the process, but the loads tested by the contactors need to be the same type, the detection data of the contactors are separately recorded during the test, but when one contactor fails, the device alarms and stops the detection, and manual processing and resetting are needed.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
the application discloses testing arrangement of contactor includes: the electronic load unit is used for being electrically connected with the contactor to be tested; the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current; and the control chip is electrically connected with the electronic load unit and the data acquisition unit respectively, and is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested, and generating comparison information, wherein the comparison information comprises information for representing whether the contactor to be tested is qualified or not. This testing arrangement of contactor, provide corresponding load voltage and electric current for the contactor that awaits measuring through the electronic load unit, the output voltage and these output data of output current of electronic load unit are gathered through the data acquisition unit, the on-off state of the contactor that awaits measuring is controlled through control chip, and according to output data and standard data, the formation sign is awaited measuring whether qualified comparison information of contactor, the contactor that awaits measuring has been realized at different voltages, life automatic detection under the electric current, the electric life that can more high-efficient more accurately test contactor has been guaranteed, thereby the lower problem of electric life efficiency of testing of contactor among the prior art has been solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A contactor testing apparatus, comprising:
the electronic load unit is used for being electrically connected with the contactor to be tested;
the data acquisition unit is electrically connected with the electronic load unit and is used for acquiring output data of the electronic load unit, and the output data comprises output voltage and output current;
the control chip is used for controlling the on-off state of the contactor to be tested, receiving the output data, comparing the output data with the standard data of the contactor to be tested, and generating comparison information, wherein the comparison information comprises information used for representing whether the contactor to be tested is qualified.
2. The apparatus of claim 1, further comprising:
the drive unit, drive unit's one end with control chip electricity is connected, drive unit's the other end be used for with the contactor electricity that awaits measuring is connected, control chip is through control drive unit opens or closes, controls the on-off state of contactor that awaits measuring.
3. The apparatus of claim 2, wherein the driving unit comprises a transistor.
4. The apparatus of claim 1, further comprising:
and the data storage unit is electrically connected with the control chip and is used for storing the output data and the comparison information sent by the control chip.
5. The apparatus of claim 1, further comprising:
and the terminal is electrically connected with the control chip and used for acquiring the standard data, sending the standard data to the control chip and controlling the control chip to test the contactor to be tested.
6. The device according to claim 5, wherein the comparison information further includes information for representing the number of tests of the contactor to be tested, and the terminal is further configured to receive and display the comparison information.
7. The apparatus of claim 1, further comprising:
and the test platform is used for placing the contactor to be tested.
8. The apparatus of any one of claims 1 to 7, further comprising:
and the power supply unit is at least electrically connected with the data acquisition unit and the control chip respectively, and is used for at least supplying power to the data acquisition unit and the control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120476478.7U CN216449692U (en) | 2021-03-04 | 2021-03-04 | Contactor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120476478.7U CN216449692U (en) | 2021-03-04 | 2021-03-04 | Contactor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216449692U true CN216449692U (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120476478.7U Active CN216449692U (en) | 2021-03-04 | 2021-03-04 | Contactor testing device |
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| CN (1) | CN216449692U (en) |
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2021
- 2021-03-04 CN CN202120476478.7U patent/CN216449692U/en active Active
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