CN211554114U - Charging port high-voltage power-down time test equipment - Google Patents
Charging port high-voltage power-down time test equipment Download PDFInfo
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- CN211554114U CN211554114U CN201922344357.2U CN201922344357U CN211554114U CN 211554114 U CN211554114 U CN 211554114U CN 201922344357 U CN201922344357 U CN 201922344357U CN 211554114 U CN211554114 U CN 211554114U
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims description 6
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- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a mouthful high-voltage power down time test equipment charges, equipment are equipped with oscilloscope, are used for the charging socket who is connected with the rifle that charges that fills electric pile to and the charging plug who is connected with electric automobile charging mouth, be connected through the charging circuit between charging socket and the charging plug, oscilloscope's two probes are connected respectively to the anodal power cord and the negative pole power cord of charging circuit. The utility model provides a test fixture of mouth high-voltage power down time charges, measurement electric mouth high-voltage power down time that can be accurate to application method.
Description
Technical Field
The utility model relates to an electric automobile high pressure safety field, concretely relates to mouthful high-voltage power down time test bench and frock charges.
Background
In recent years, with the strong support of new energy in China, electric vehicles have been actively developed. The most concerned issues for consumers are mainly focused on mileage, charging time and safety. At present, the operating voltage of the mainstream electric automobile with high endurance can reach 400V or more than 500V, so the high-voltage safety protection of the electric automobile is a problem which cannot be ignored.
Safety protection during vehicle charging is one of the important issues in high voltage safety. In the process of charging the vehicle, in order to prevent a person from getting an electric shock when a hand is inserted into the charging conductive part after the person pulls a gun, the national standard requires that the high voltage of the whole vehicle is reduced to a safe voltage of 60V within 1 s. If the voltage of the charging port is measured by a voltmeter immediately after the gun is pulled out, not only is time delay caused, but also the measured result is inaccurate. Generally, in the design, the power-off time of the gun is about ms, the charging gun head is not pulled out of the charging socket, and the voltage is reduced to the safe voltage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that realize a test frock and method of high-voltage power failure behind the test pull out rifle, increase the frock between the rifle and the vehicle charging socket that charge that fills electric pile, the test that can be convenient goes out the high-voltage power failure, and does not harm personnel's safety.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides a mouthful high-voltage power down time test equipment charges, equipment is equipped with oscilloscope, the charging socket that is used for being connected with the rifle that charges that fills electric pile to and the charging plug who is connected with electric automobile charging mouth, be connected through charging circuit between charging socket and the charging plug, oscilloscope's two probes are connected respectively to charging circuit's anodal power cord and negative pole power cord.
Charging socket and charging plug include power source and signal interface, including the power cord of connecting power source in the charging circuit to and the signal line of connecting signal interface.
The signal output end of the oscilloscope is connected with the processor through a signal wire, a time unit is arranged in the processor, and the output end of the processor is connected with the display screen through the signal wire.
The equipment is provided with a camera device, the camera device is provided with a display screen for displaying a shot video, and the camera device is used for recording a waveform image change video to a screen of the oscilloscope.
The utility model provides a test fixture of mouth high-voltage power down time charges, measurement electric mouth high-voltage power down time that can be accurate to application method.
Drawings
The following brief descriptions of the contents expressed by each figure and the marks in the figures in the specification of the present invention are as follows:
FIG. 1 is a schematic diagram of a charging port high-voltage power-down time test device;
the labels in the above figures are: 1, an oscilloscope; 2. a charging jack; 3. a charging plug; 4. and (4) charging the gun.
Detailed Description
The following description of the embodiments with reference to the drawings is intended to illustrate the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and working principles of the components, the manufacturing process, and the operation and use methods, etc., so as to help those skilled in the art understand the present invention more completely, accurately and deeply.
As shown in fig. 1, the charging port high-voltage power failure time test device is an inner part of a dotted line frame, the device is provided with an oscilloscope 1, a charging socket 2 for connecting with a charging gun 4 of a charging pile and a charging plug 3 for connecting with a charging port of an electric vehicle, the charging socket 2 can adopt a structure the same as the charging port on the vehicle, the charging plug 3 can adopt a structure the same as the charging gun 4 on the charging pile, and the charging socket 2 and the charging plug 3 comprise a power supply interface and a signal interface for charging and signal communication.
Charging socket 2 and charging plug 3 between be connected through the charging line, then including the power cord of connecting power source in the charging line to and the signal line of connecting signal interface, simulate former car charging line structure promptly, the middle mouthful high-voltage power down time test equipment that charges that establishes ties. The oscilloscope 1 is provided with two probes, and the positive power cord and the negative power cord of charging circuit connect two probes of oscilloscope 1 respectively, can acquire the undulant condition of the power supply on the charging circuit.
The time of the oscilloscope 1 for recording the waveform change can be stored by screen capture, and the time of the oscilloscope 1 for cursor calculation is adjusted. A camera device (i.e., a general camera) may be provided, the camera device having a display screen for displaying a shot video, the camera device recording a waveform image change video against the screen of the oscilloscope 1, and the waveform change time may be manually calculated by video slow playback.
In addition, an automatic recording device can be also provided, preferably, a switch is arranged on a charging line between the charging plug 3 and the probe connecting point, the signal output end of the oscilloscope 1 is connected with the processor through a signal line, a time unit is arranged in the processor, the processor is provided with a display screen and a control key, the control key sends out a control signal of the switch, the processor controls the on-off of the switch, the output end of the processor is connected with the display screen through the signal line, and the processor switches off the fluctuation change time of the oscilloscope 1 at the moment, so that the required time parameter is obtained.
During testing, firstly, the charging gun 4 is connected with the charging socket 2, the charging plug 3 is connected with a charging port of the electric automobile, the oscilloscope 1 is adjusted at the moment, the high voltage on the oscilloscope 1 can be seen as the voltage value of the whole automobile to be tested, then gun pulling is simulated, namely, the charging plug 3 is disconnected with the charging port of the electric automobile, the high voltage of the oscilloscope 1 is reduced, screen capture is carried out for storage, and the cursor calculation time of the oscilloscope 1 is adjusted.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (4)
1. The utility model provides a mouthful high-voltage power failure time test equipment charges which characterized in that: the device is provided with an oscilloscope, a charging socket for connecting with a charging gun of a charging pile, and a charging plug connected with a charging port of the electric automobile, wherein the charging socket is connected with the charging plug through a charging circuit, and a positive power line and a negative power line of the charging circuit are respectively connected with two probes of the oscilloscope.
2. The charging port high-voltage power-down time test equipment according to claim 1, characterized in that: charging socket and charging plug include power source and signal interface, including the power cord of connecting power source in the charging circuit to and the signal line of connecting signal interface.
3. The charging port high-voltage power-down time test equipment according to claim 1 or 2, characterized in that: the signal output end of the oscilloscope is connected with the processor through a signal wire, a time unit is arranged in the processor, and the output end of the processor is connected with the display screen through the signal wire.
4. The charging port high-voltage power-down time test equipment according to claim 1 or 2, characterized in that: the equipment is provided with a camera device, the camera device is provided with a display screen for displaying a shot video, and the camera device is used for recording a waveform image change video to a screen of the oscilloscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344357.2U CN211554114U (en) | 2019-12-24 | 2019-12-24 | Charging port high-voltage power-down time test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922344357.2U CN211554114U (en) | 2019-12-24 | 2019-12-24 | Charging port high-voltage power-down time test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211554114U true CN211554114U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922344357.2U Active CN211554114U (en) | 2019-12-24 | 2019-12-24 | Charging port high-voltage power-down time test equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN211554114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644486A (en) * | 2021-07-28 | 2021-11-12 | 吴鹏 | New energy charging pile with cable pulling self-separation structure |
-
2019
- 2019-12-24 CN CN201922344357.2U patent/CN211554114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113644486A (en) * | 2021-07-28 | 2021-11-12 | 吴鹏 | New energy charging pile with cable pulling self-separation structure |
| CN113644486B (en) * | 2021-07-28 | 2023-11-10 | 盘州罗宾森新能源科技有限公司 | New energy charging pile with cable pulling self-separating structure |
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