CN216847962U - Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile - Google Patents
Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile Download PDFInfo
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- CN216847962U CN216847962U CN202122836979.4U CN202122836979U CN216847962U CN 216847962 U CN216847962 U CN 216847962U CN 202122836979 U CN202122836979 U CN 202122836979U CN 216847962 U CN216847962 U CN 216847962U
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Abstract
The embodiment of the utility model provides automatic testing equipment for off-line of finished products of a high-voltage distribution box of an electric automobile, and belongs to the technical field of testing of high-voltage distribution boxes. The test apparatus includes: the tooling board card is used for being connected with a low-voltage interface of the high-voltage distribution box; the direct current voltage stabilizing source is connected with the low-voltage interface to supply power to a BMS system of the high-voltage distribution box; the programmable high-voltage power supply is used for being connected with a high-voltage interface of the high-voltage distribution box; the multifunctional electric meter is used for being connected with the high-voltage interface; the insulation withstand voltage tester is used for being connected with the high-voltage interface; the direct current resistance tester is used for being connected with the high-voltage interface; and the industrial personal computer is connected with the tooling board card, the direct-current voltage stabilizing source, the programmable high-voltage power supply, the multifunctional electric meter, the insulation withstand voltage tester and the direct-current resistance tester. This test equipment can improve the efficiency of software testing of high voltage distribution box, reduces the occupation of land space of equipment simultaneously.
Description
Technical Field
The utility model relates to the technical field of testing of high-voltage distribution boxes, in particular to automatic testing equipment for off-line of finished products of high-voltage distribution boxes of electric automobiles.
Background
The new energy automobile usually runs under high-power whole automobile power, the voltage is up to over 700VDC, and the current is up to 400A. A corresponding high-voltage distribution box is required to be equipped, and a high-voltage power supply directly enters the high-voltage distribution box and then is distributed to corresponding high-voltage electrical products according to the requirements of the system. The inner loop of the high-voltage distribution box is numerous, the types of electrical elements such as relays, fuses, current Hall sensors and the like are various, and the finished product offline quality control of the high-voltage distribution box is of great importance to the reliability of the whole vehicle.
At present, the conventional high-voltage distribution box offline detection mode needs to pass through a plurality of manual detection stations, even needs to perform repeated plugging and unplugging on a connector on the high-voltage distribution box, and is low in efficiency.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model aims to provide automatic testing equipment for off-line of a finished high-voltage distribution box of an electric automobile, which can improve the testing efficiency of the high-voltage distribution box and reduce the occupied space of the equipment.
In order to achieve the above object, an embodiment of the present invention provides an automatic testing device for offline of a finished high voltage distribution box of an electric vehicle, including:
the tooling board card is used for being connected with a low-voltage interface of the high-voltage distribution box;
The direct current voltage stabilizing source is connected with the low-voltage interface to supply power to a BMS system of the high-voltage distribution box;
the programmable high-voltage power supply is used for being connected with a high-voltage interface of the high-voltage distribution box;
the multifunctional electric meter is used for being connected with the high-voltage interface;
the insulation withstand voltage tester is used for being connected with the high-voltage interface;
the direct current resistance tester is used for being connected with the high-voltage interface;
and the industrial personal computer is connected with the tooling board card, the direct-current voltage stabilizing source, the programmable high-voltage power supply, the multifunctional electric meter, the insulation withstand voltage tester and the direct-current resistance tester.
Optionally, the test equipment further comprises a DC power supply connected to the tooling plate card.
Optionally, the test equipment further comprises a display screen connected with the industrial personal computer to display a test result.
Optionally, the industrial personal computer is connected with the multifunctional electric meter, the insulation withstand voltage tester, the direct current resistance tester and the direct current voltage stabilizing source through an RS232 line.
Optionally, the industrial personal computer is connected with the programmable high-voltage power supply through a USB interface.
Optionally, the industrial personal computer is connected with the tooling plate card through a CAN communication line.
Optionally, the industrial personal computer is connected with the display screen through a VGA line.
Optionally, the test equipment includes the equipment cabinet body, the display screen set up in the front of the equipment cabinet body, the industrial computer set up in the below of display screen, the multifunctional electric meter set up in the below of industrial computer.
Optionally, the dc voltage regulator is disposed below the multifunctional electric meter.
Optionally, the insulation withstand voltage tester is disposed below the dc voltage regulator, the programmable high voltage power supply is disposed below the insulation withstand voltage tester, and the dc resistance tester is disposed below the programmable high voltage power supply.
According to the technical scheme, the automatic test equipment for the finished product offline of the high-voltage distribution box of the electric automobile adopts the form of combining a programmable high-voltage power supply, a multifunctional electric meter, an insulation withstand voltage tester and a direct-current resistance tester with an industrial personal computer, so that on one hand, the automatic detection of the high-voltage distribution box is realized; on the other hand, the occupied space of the equipment is reduced, and the field of a production workshop is saved.
Additional features and advantages of embodiments of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the embodiments of the utility model without limiting the embodiments of the utility model. In the drawings:
Fig. 1 is a block diagram of a finished product offline automation test device of an electric vehicle high-voltage distribution box according to an embodiment of the utility model;
fig. 2 is a schematic diagram of an electric vehicle high voltage distribution box finished product offline automatic testing device according to an embodiment of the utility model.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the utility model, are given by way of illustration and explanation only, not limitation.
In the embodiments of the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, top, and bottom" is generally used with respect to the orientation shown in the drawings or the positional relationship of the components with respect to each other in the vertical, or gravitational direction.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Fig. 1 is a block diagram illustrating the structure of an automatic testing device for off-line finished high-voltage distribution box of an electric vehicle according to an embodiment of the utility model. In fig. 1, the testing device may include a tooling board card 11, a dc voltage regulator 12, a programmable high voltage power supply 13, a multifunctional electric meter 14, an insulation withstand voltage tester 15, a dc resistance tester 16, and an industrial personal computer 17.
The tooling board card 11 can be used for being connected with the low-voltage interface 21 of the high-voltage distribution box 20 and simulating various state information of the battery pack to the BMS22 of the high-voltage distribution box 20 so as to test whether the function of the BMS22 is normal or not. The dc regulator 12 may be configured to be connected to the low voltage interface 21 of the high voltage distribution box 20 for providing power to the BMS22 of the high voltage distribution box 20 through the low voltage interface 21. The programmable high voltage power supply 13 may be configured to be connected to the high voltage interface 23 of the high voltage distribution box 20, and configured to input different levels of high voltage to the high voltage interface 23 in an analog manner, so as to test the performance of the high voltage interface 23 at different levels of voltage. The multifunctional electricity meter 14 may be configured to be connected to the high voltage interface 23 of the high voltage distribution box 20, and is configured to collect an output voltage condition of the high voltage interface 23, so as to determine whether a feedback value of the high voltage distribution box 20 under various test conditions is correct. The insulation withstand voltage tester 15 may be used to connect with the high voltage interface 23 of the high voltage distribution box 20 and to test the withstand voltage performance of the high voltage interface 23. The dc resistance tester 16 may be used for connecting to the high voltage interface 23 of the high voltage distribution box 20 and for testing whether the feedback information of the high voltage interface 23 to the external resistance signal is correct. The industrial personal computer 17 is connected with the tooling board card 11, the direct-current voltage stabilizing source 12, the programmable high-voltage power supply 13, the multifunctional electric meter 14, the insulation withstand voltage tester 15 and the direct-current resistance tester 16.
In one embodiment of the present invention, in order to facilitate driving the tooling board card 11, as shown in fig. 1, the testing device may further include a DC power supply 18. The DC power supply 18 may be connected to the tooling board card 11.
In one embodiment of the present invention, in order to enable the working personnel to view the working condition of the testing device in real time, as shown in fig. 1, the testing device may further comprise a display screen 19. The display screen 19 can be connected with the industrial personal computer 17 and is used for displaying the test result and various parameters fed back by the industrial personal computer 17 in real time.
In this embodiment, the specific connection between the industrial personal computer 17 and the multifunctional electric meter 14, the insulation withstand voltage tester 15, the dc resistance tester 16, and the dc regulator power source 12 is illustrated, although it may be in various forms known to those skilled in the art. However, in consideration of the communication requirements of the respective devices and the control of the cost of the devices, in a preferred example of the present invention, the industrial personal computer 17 is connected to the multifunctional electric meter 14, the insulation withstand voltage tester 15, the dc resistance tester 16, and the dc regulator source 12 through RS232 lines.
In this embodiment, the specific connection between the industrial personal computer 17 and the programmable high voltage power supply 13 is illustrated, although it may be in various forms known to those skilled in the art. However, in consideration of the control of the communication requirements of the respective devices and the cost of the devices, in a preferred example of the present invention, the industrial personal computer 17 may be connected to the programmable high voltage power supply 13 through a USB interface.
In this embodiment, the specific connection mode between the industrial personal computer 17 and the tooling board card 11 may be various types known to those skilled in the art. However, in consideration of the respective equipment communication requirements and the control of the equipment cost, in a preferred example of the present invention, the industrial personal computer 17 is connected to the tool board 11 through a CAN communication line.
In this embodiment, the specific connection between the industrial personal computer 17 and the display screen 19 is illustrated, although it may be in various forms known to those skilled in the art. However, in consideration of the communication requirements of the respective devices and the control of the device costs, in a preferred example of the present invention, the industrial personal computer 17 is connected to the display screen 19 through a VGA line.
In this embodiment, to further account for the footprint of the test equipment, the test equipment 10 may also include an equipment cabinet, as shown in fig. 2. The display screen 19 may be provided on the front of the apparatus cabinet. The industrial personal computer 17 may be disposed below the display screen. The multifunctional electricity meter 14 may be disposed under the industrial personal computer 17. The dc regulated power supply 12 may be disposed below the utility meter 14. The insulation withstand voltage tester 15 may be disposed below the dc voltage regulator 12. The programmable high voltage power supply 13 may be disposed below the insulation withstand voltage tester 15. The dc resistance tester 16 may be disposed below the programmable high voltage power supply 13.
According to the technical scheme, the automatic test equipment for the finished product offline of the high-voltage distribution box of the electric automobile adopts the form of combining a programmable high-voltage power supply, a multifunctional electric meter, an insulation withstand voltage tester and a direct-current resistance tester with an industrial personal computer, so that on one hand, the automatic detection of the high-voltage distribution box is realized; on the other hand, the occupied space of the equipment is reduced, and the field of a production workshop is saved.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The utility model provides an automatic test equipment that electric automobile high voltage distribution box finished product was offline and was used which characterized in that, test equipment includes:
the tooling board card is used for being connected with a low-voltage interface of the high-voltage distribution box;
the direct current voltage stabilizing source is connected with the low-voltage interface to supply power to a BMS system of the high-voltage distribution box;
the programmable high-voltage power supply is used for being connected with a high-voltage interface of the high-voltage distribution box;
the multifunctional electric meter is used for being connected with the high-voltage interface;
the insulation withstand voltage tester is used for being connected with the high-voltage interface;
the direct current resistance tester is used for being connected with the high-voltage interface;
and the industrial personal computer is connected with the tooling board card, the direct-current voltage stabilizing source, the programmable high-voltage power supply, the multifunctional electric meter, the insulation withstand voltage tester and the direct-current resistance tester.
2. The test apparatus of claim 1, further comprising a DC power supply connected to the tooling plate card.
3. The test device of claim 1, further comprising a display screen coupled to the industrial personal computer to display a result of the test.
4. The test equipment of claim 1, wherein the industrial personal computer is connected with the multifunctional electric meter, the insulation withstand voltage tester, the direct current resistance tester and the direct current voltage stabilizing source through RS232 lines.
5. The test equipment of claim 1, wherein the industrial personal computer is connected with the programmable high-voltage power supply through a USB interface.
6. The test equipment of claim 1, wherein the industrial personal computer is connected with the tooling board card through a CAN communication line.
7. The test equipment of claim 3, wherein the industrial personal computer is connected with the display screen through a VGA line.
8. The test equipment of claim 3, wherein the test equipment comprises an equipment cabinet body, the display screen is arranged on the front face of the equipment cabinet body, the industrial personal computer is arranged below the industrial personal computer, and the multifunctional electric meter is arranged below the display screen.
9. The test apparatus of claim 8, wherein the dc regulated power supply is disposed below the utility meter.
10. The test apparatus of claim 9, wherein the dielectric withstand voltage tester is disposed below the dc regulator, the programmable high voltage power supply is disposed below the dielectric withstand voltage tester, and the dc resistance tester is disposed below the programmable high voltage power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836979.4U CN216847962U (en) | 2021-11-18 | 2021-11-18 | Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836979.4U CN216847962U (en) | 2021-11-18 | 2021-11-18 | Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216847962U true CN216847962U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836979.4U Active CN216847962U (en) | 2021-11-18 | 2021-11-18 | Automatic test equipment for offline finished product of high-voltage distribution box of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216847962U (en) |
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2021
- 2021-11-18 CN CN202122836979.4U patent/CN216847962U/en active Active
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