CN220188645U - Surge testing device of new energy charging line - Google Patents
Surge testing device of new energy charging line Download PDFInfo
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- CN220188645U CN220188645U CN202321506373.7U CN202321506373U CN220188645U CN 220188645 U CN220188645 U CN 220188645U CN 202321506373 U CN202321506373 U CN 202321506373U CN 220188645 U CN220188645 U CN 220188645U
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a surge testing device of a new energy charging wire in the technical field of charging wire leakage detection, which comprises a surge generating module, a leakage current collecting module and a main controller module, wherein the output end of the surge generating module is connected with an inner core of the new energy charging wire to be detected, an insulating layer of the new energy charging wire is connected with the leakage current collecting module, and the leakage current collecting module is connected with the surge generating module.
Description
Technical Field
The utility model relates to the technical field of charging wire leakage detection, in particular to a surge testing device of a new energy charging wire.
Background
With the popularization of new energy automobiles, a large number of new energy charging piles are configured. The new energy charging pile is generally installed outdoors and is easy to strike by lightning surges. When lightning surge attacks the charging pile, users can be injured by the charging wire, so that the requirement on the insulation level of the new energy charging wire is very high.
According to the regulations of the group standard, the leakage current of the new energy charging wire cannot exceed 2mA, and the condition of flashover cannot be generated in the testing process, otherwise, the new energy charging wire is regarded as unqualified.
Through the search and discovery of the existing new energy charging wire test technology, no surge test and no leakage current detection aiming at the existing new energy charging wire exist in China at present. Based on the above, the utility model designs a surge testing device of a new energy charging line to solve the above problems.
Disclosure of Invention
The utility model aims to provide a surge testing device for a new energy charging wire, which aims to solve the problem that the surge testing and leakage current detection of the existing new energy charging wire are not performed in China in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the surge testing device of the new energy charging wire comprises a surge generating module, a leakage current collecting module and a main controller module, wherein the output end of the surge generating module is connected with an inner core of the new energy charging wire to be tested, an insulating layer of the new energy charging wire is connected with the leakage current collecting module, the leakage current collecting module is connected with the surge generating module, the main controller module is connected with the surge generating module through a communication interface, and the main controller module is connected with the leakage current collecting module through the communication interface;
the leakage current monitoring module consists of a leakage current acquisition circuit, a peak value holding circuit, a data conversion circuit and a communication interface.
Preferably, one end of a leakage current acquisition circuit of the leakage current monitoring module is connected with the output end of the surge generator module.
Preferably, the insulating layer of the new energy charging line to be tested is connected with the leakage current acquisition circuit of the leakage current monitoring module.
Preferably, after the test is started, the main controller inputs the set surge voltage value to the surge generator module through the communication interface, and after the surge voltage of the surge generator module rises to the set value, the new energy charging line to be tested is discharged.
Preferably, in the discharging process of the surge generator module, the leakage current monitoring module detects leakage current flowing through an insulating layer of the new energy charging wire, after the leakage current is processed by the leakage current acquisition circuit, the peak hold circuit and the data conversion circuit, leakage current data is transmitted to the main controller module through the communication interface, and the main controller module judges whether the new energy charging wire is qualified or not through the received data.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adds surge test and leakage current detection for the existing new energy charging wire, is used for testing the insulativity of the new energy charging wire, has a small and easy-to-use detection structure, and can detect the leakage qualification rate of the new energy charging wire by the detection device so as to avoid the damage of the wire to users.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a circuit diagram of a surge testing device of a new energy charging line of the utility model;
FIG. 2 is a schematic diagram of a leakage current monitoring module according to the present utility model;
FIG. 3 is a flow chart of the surge test and leakage current detection implementation 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.
The utility model provides a technical scheme that: the embodiment provides a surge testing device of a new energy charging wire, and fig. 1 is a circuit diagram of the surge testing device of the new energy charging wire. A surge testing device of a new energy charging line comprises:
fig. 2 is a schematic diagram of the structure of the leakage current monitoring module of the present utility model, where the leakage current monitoring module C is composed of a leakage current acquisition circuit, a peak hold circuit, a data conversion circuit and a communication interface, and the connection relationships of the above components are as follows:
the main controller module A is connected with the surge generator module B through a communication interface, one end of a leakage current acquisition circuit of the leakage current monitoring module C is connected with the other end of the output end of the surge generator module B, and the leakage current monitoring module C is connected with the other communication interface of the main controller module A through the communication interface.
Fig. 3 is a flow chart of implementing the surge test and leakage current detection of the present utility model, and a method for testing a new energy charging line by using a surge test device of the new energy charging line, comprising the following steps:
(1) one end of the output end of the surge generator module B is connected with an inner core of a new energy charging wire to be detected, and an insulating layer of the new energy charging wire to be detected is connected with the other end of a leakage current acquisition circuit of the leakage current monitoring module C;
(2) after the test is started, the main controller inputs a set surge voltage value into the surge generator module through the communication interface, and the surge voltage of the surge generator module is increased to a set value and then discharges a new energy charging line to be tested;
(3) in the discharging process of the surge generator module, the leakage current monitoring module C detects leakage current flowing through an insulating layer of the new energy charging wire, after the leakage current is processed by the leakage current acquisition circuit, the peak value holding circuit and the data conversion circuit, leakage current data are transmitted to the main controller module A through the communication interface, the main controller module A judges whether the new energy charging wire is qualified or not through the received data, if the leakage current is smaller than or equal to 2mA, the new energy charging wire is judged to be qualified, and if the leakage current is larger than 2mA, the new energy charging wire is judged to be unqualified.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The surge testing device of the new energy charging wire is characterized by comprising a surge generating module, a leakage current collecting module and a main controller module, wherein the output end of the surge generating module is connected with an inner core of the new energy charging wire to be tested, an insulating layer of the new energy charging wire is connected with the leakage current collecting module, the leakage current collecting module is connected with the surge generating module, the main controller module is connected with the surge generating module through a communication interface, and the main controller module is connected with the leakage current collecting module through the communication interface;
the leakage current monitoring module consists of a leakage current acquisition circuit, a peak value holding circuit, a data conversion circuit and a communication interface.
2. The surge testing device of the new energy charging line according to claim 1, wherein: one end of a leakage current acquisition circuit of the leakage current monitoring module is connected with the output end of the surge generator module.
3. The surge testing device of the new energy charging line according to claim 1, wherein: and the insulating layer of the new energy charging line to be tested is connected with the leakage current acquisition circuit of the leakage current monitoring module.
4. The surge testing device of the new energy charging line according to claim 1, wherein: after the test is started, the main controller inputs the set surge voltage value into the surge generator module through the communication interface, and the new energy charging line to be tested is discharged after the surge voltage of the surge generator module rises to the set value.
5. The surge testing device of the new energy charging line according to claim 1, wherein: in the discharging process of the surge generator module, the leakage current monitoring module detects leakage current flowing through an insulating layer of the new energy charging wire, after the leakage current is processed by the leakage current acquisition circuit, the peak hold circuit and the data conversion circuit, leakage current data are transmitted to the main controller module through the communication interface, and the main controller module judges whether the new energy charging wire is qualified or not through the received data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506373.7U CN220188645U (en) | 2023-06-13 | 2023-06-13 | Surge testing device of new energy charging line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506373.7U CN220188645U (en) | 2023-06-13 | 2023-06-13 | Surge testing device of new energy charging line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188645U true CN220188645U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506373.7U Active CN220188645U (en) | 2023-06-13 | 2023-06-13 | Surge testing device of new energy charging line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188645U (en) |
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2023
- 2023-06-13 CN CN202321506373.7U patent/CN220188645U/en active Active
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