CN217879388U - Residual current operating characteristic integrated test system - Google Patents
Residual current operating characteristic integrated test system Download PDFInfo
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- CN217879388U CN217879388U CN202220295412.2U CN202220295412U CN217879388U CN 217879388 U CN217879388 U CN 217879388U CN 202220295412 U CN202220295412 U CN 202220295412U CN 217879388 U CN217879388 U CN 217879388U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model provides a residual current operating characteristic integrated test system, which comprises a power supply cabinet, a port cabinet, load impedance, leakage impedance, a leakage tester, a data acquisition and control module and a console; the power supply cabinet, the port cabinet, the load impedance, the leakage impedance and the leakage tester are connected with the data acquisition and control module; the data acquisition and control module is connected with the console; still include the environmental simulation case, the piece setting of being surveyed is in the environmental simulation case, and the piece is connected with the port cabinet to be surveyed. The utility model discloses beneficial effect: the utility model provides a residual current operating characteristic integrated test system, can realize the test demand of the different electric leakage types of single-phase and three-phase product respectively, realizes the leakage current output of different specifications through the matching design of electric leakage load.
Description
Technical Field
The utility model belongs to electric automobile tests the field, especially relates to an integrated test system of residual current operating characteristic.
Background
With the popularization and development of new energy vehicles, a large number of electric vehicles are used in daily families, charging equipment such as mode 2 chargers, vehicle-mounted alternating current piles, charging station alternating current and direct current charging piles and the like are used as charging infrastructure matched with the new energy vehicles, the charging equipment is greatly supported by national policies, deep research of the automobile industry and wide attention of consumers, and the residual current operating characteristic is an important index for measuring the safety of the charging equipment.
After the charger and the alternating-current charging pile are physically connected with the automobile in the mode 2, the charger and the alternating-current charging pile are electrified for self-checking, and communication is established with the automobile through the control guide loop, so that charging is achieved. This process requires the test equipment to simulate the control of the steering loop and achieve charging control, while applying a leakage current as high as 100A, and the leakage current loop needs to pass through the PE line of the sample under test.
At present, a mature leakage tester product scheme exists in the industry, and instruments with complete functions can support AC type, A type, B type and F type leakage tests, but the leakage current of the products is generally below 5A. Devices that support leakage current testing above 100A require custom development, but generally do not support on-board testing. And when the two devices are used for testing, an external test loop is required to be built to simulate a control guide loop and a switch control loop, so that the testing efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an integrated test system of residual current operating characteristic for mode 2 charger, alternating-current charging stake's residual current operating characteristic test evaluation, its aim at realizes automatic test, improves accuracy, the uniformity and the efficiency of software testing.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
an integrated test system for residual current operating characteristics comprises a power supply cabinet, a port cabinet, load impedance, leakage impedance, a leakage tester, a data acquisition and control module and a console;
the power supply cabinet, the port cabinet, the load impedance, the leakage impedance and the leakage tester are connected with the data acquisition and control module; the data acquisition and control module is connected with the console; still include the environmental simulation case, it sets up in the environmental simulation case to be surveyed the piece, is surveyed the piece and is connected with the port cabinet.
Furthermore, the power supply cabinet comprises a cabinet body, and a voltage regulating and stabilizing circuit and a phase selecting switch which are arranged in the cabinet body.
Furthermore, the port cabinet comprises a cabinet body, an upper port, a lower port and a control guide loop, wherein the upper port, the lower port and the control guide loop are arranged in the cabinet body;
the upper port comprises a national standard socket, an European standard socket and a copper bar terminal and is used for realizing the connection of a tested piece and a power supply;
the lower port comprises a vehicle socket and a copper bar terminal and is used for realizing the connection of a tested piece with a load resistance, a leakage resistance and a leakage tester.
Furthermore, the load impedance comprises a pure resistive resistor module, a sliding mechanism, a sliding motor, a cooling fan and the like, and is used for outputting different rated load currents according to test requirements.
Furthermore, the leakage load comprises a pure-resistance adjustable resistor, a rectifying circuit and a cooling fan and is used for realizing AC type, A type and B type leakage detection according to the test requirement.
Further, the maximum leakage current output by the leakage load is greater than 100A.
Further, the leakage tester is used for detecting AC type, A type, B type and F type leakage.
Further, the data acquisition and control module comprises a cabinet body, a voltage acquisition module, a current acquisition module, an alarm control module and a measurement and control host, and is used for acquiring and/or receiving voltages and/or currents from different positions in the power supply cabinet, the port cabinet, the load impedance and the leakage impedance, generating corresponding detection signals and transmitting the detection signals to the measurement and control host, and is also used for receiving and executing control instructions from the control console, controlling the output voltage of the power supply cabinet, controlling the input of the load impedance and the leakage impedance to adjust the load current and the leakage current, sending the instructions to the leakage tester, and receiving feedback of the leakage tester to output test results.
Furthermore, the console comprises a display screen, a keyboard, a mouse, a power main switch and an emergency switch, wherein the power main switch is used for electrifying the whole test system, and the emergency switch is used for powering off the whole test system under abnormal conditions.
Furthermore, the test system is used with an environment simulation box and used for simulating test conditions of different environments, wherein the test environments comprise a temperature and humidity environment and a salt fog environment.
Compared with the prior art, a residual current operating characteristic integrated test system have following beneficial effect:
(1) The utility model discloses a residual current operating characteristic integrated test system, can realize the test demand of the different electric leakage types of single-phase and three-phase product respectively, realize the leakage current output of different specifications through the matching design of electric leakage load;
(2) The utility model discloses an integrated test system of residual current operating characteristics, supporting environmental simulation case can realize the on-load electric leakage test under the different operating mode;
(3) The utility model discloses a residual current operating characteristic integrated test system, automatic test case, support system automatic judgement, reduced personnel's factor to the influence of test result, improved accuracy, uniformity and the efficiency of software testing;
(4) A residual current operating characteristic integrated test system, have the socket and the electric automobile interface that charges that accord with national standard and foreign standard, reduce personnel's installation, improve efficiency of software testing.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of an integrated testing system for residual current operating characteristics according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the integrated test flow of residual current operating characteristics according to an embodiment of the present invention.
Description of reference numerals:
1-a power supply cabinet; 2-port cabinet; 3-load impedance; 4-leakage resistance; 5-leakage tester; 6-a data acquisition and control module; 7-a console; 8-voltage regulating and stabilizing circuit; 9-phase selection switch; 10-an upper port; 11-lower port; 12-control pilot loop; 13-environmental simulation chamber.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
An integrated test system for residual current operating characteristics comprises a power cabinet, a port cabinet, load impedance, leakage impedance, a leakage tester, a data acquisition and control module and a control console.
The power supply cabinet comprises a cabinet body, a voltage regulating and stabilizing circuit, a phase selecting switch and the like;
the port cabinet consists of a cabinet body, an upper port, a lower port and a control guide loop; the upper port consists of a national standard socket, an European standard socket and a copper bar terminal, and the connection between a tested piece and a power supply is realized; the lower port is composed of a vehicle socket and a copper bar terminal, and the connection between a tested piece and a load impedance, leakage impedance and leakage tester is realized;
the load impedance is composed of a pure resistive resistance module, a sliding mechanism, a sliding motor, a heat radiation fan and the like; different rated load currents can be output according to test requirements.
The leakage load consists of a pure-resistance adjustable resistor, a rectifying circuit and a radiating fan; the AC type, A type and B type leakage detection can be realized according to the test requirements.
The maximum leakage current which can be output by adjusting the leakage load is larger than 100A;
the functions of the leakage tester include, but are not limited to: detecting leakage of AC type, A type, B type and F type;
the data acquisition and control module consists of a cabinet body, a voltage acquisition module, a current acquisition module, an alarm control module and a measurement and control host; its functions include, but are not limited to: collecting and/or receiving voltages and/or currents from different positions in a power supply cabinet, a port cabinet, load impedance and leakage impedance, generating corresponding detection signals and transmitting the detection signals to a measurement and control host; receiving and executing a control instruction from a console, and controlling the output voltage of the power supply cabinet; controlling the input of load impedance and leakage impedance to adjust load current and leakage current; sending an instruction to the electric leakage tester, and receiving a feedback output test result of the electric leakage tester;
the console consists of a display screen, a keyboard, a mouse, a power supply main switch and an emergency switch; the power supply main switch is used for electrifying the whole test system; the emergency switch is used for powering off the whole test system under abnormal conditions, so that the safety of test activities is guaranteed.
An integrated test system for residual current operating characteristics comprises a power supply cabinet 1, a port cabinet 2, a load impedance 3, a leakage impedance 4, a leakage tester 5, a data acquisition and control module 6 and a console 7.
The power cabinet 1 comprises a cabinet body, a voltage regulating and stabilizing circuit 8, a phase selecting switch 9 and the like;
the port cabinet 2 consists of a cabinet body, an upper port 10, a lower port 11 and a control guide loop 12; the upper port 10 is composed of a national standard socket, an European standard socket and a copper bar terminal, and realizes the connection of a tested piece and a power supply; the lower port 11 is composed of a vehicle socket and a copper bar terminal, and the connection of a tested piece with the load impedance 3, the leakage impedance 4 and the leakage tester 5 is realized;
the load impedance 3 is composed of a pure resistive resistor module, a sliding mechanism, a sliding motor, a cooling fan and the like; different rated load currents can be output according to test requirements.
The leakage load 4 is composed of a pure resistance adjustable resistor, a rectifying circuit and a radiating fan; the AC type, A type and B type leakage detection can be realized according to the test requirements.
The maximum leakage current which can be output by adjusting the leakage load 4 is more than 100A;
the functions of the electrical leakage tester 5 include, but are not limited to: detecting leakage of AC type, A type, B type and F type;
the data acquisition and control module 6 consists of a cabinet body, a voltage acquisition module, a current acquisition module, an alarm control module and a measurement and control host; its functions include, but are not limited to: collecting and/or receiving voltages and/or currents from different positions in the power supply cabinet 1, the port cabinet 2, the load impedance 3 and the leakage impedance 4, generating corresponding detection signals and transmitting the detection signals to the measurement and control host; receiving and executing a control instruction from a console, and controlling the output voltage of the power supply cabinet 1; controlling the input of the load impedance 3 and the leakage impedance 4 to adjust the load current and the leakage current; sending an instruction to the electric leakage tester 5, and receiving a feedback output test result of the electric leakage tester 5;
the console 7 consists of a display screen, a keyboard, a mouse, a power main switch and an emergency switch; the power supply main switch is used for electrifying the whole test system; the emergency switch is used for powering off the whole test system under abnormal conditions, so that the safety of test activities is guaranteed.
The test system can be matched with the environment simulation box 13 for use, so that the test requirements under different environment conditions are met;
the functions of the environmental simulation chamber 13 include, but are not limited to: temperature and humidity environment and salt spray environment.
Those of ordinary skill in the art will appreciate that the various illustrative components and method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed method and system may be implemented in other ways. For example, the above described division of elements is merely a logical division, and other divisions may be realized, for example, multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not executed. The units may or may not be physically separate, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A residual current operating characteristic integrated test system is characterized in that: the power supply device comprises a power supply cabinet (1), a port cabinet (2), a load impedance (3), a leakage impedance (4), a leakage tester (5), a data acquisition and control module (6) and a console (7);
the power supply cabinet (1), the port cabinet (2), the load impedance (3), the leakage impedance (4) and the leakage tester (5) are connected with the data acquisition and control module (6); the data acquisition and control module (6) is connected with the console (7); the device is characterized by further comprising an environment simulation box (13), the tested piece is arranged in the environment simulation box (13), and the tested piece is connected with the port cabinet (2).
2. The system of claim 1, wherein the residual current operating characteristic integrated test system comprises: the power supply cabinet (1) comprises a cabinet body, and a voltage regulating and stabilizing circuit (8) and a phase selecting switch (9) which are arranged in the cabinet body.
3. The system of claim 1, wherein the residual current operating characteristic integrated test system comprises: the port cabinet (2) comprises a cabinet body, an upper port (10), a lower port (11) and a control guide loop (12), wherein the upper port, the lower port and the control guide loop are arranged in the cabinet body;
the upper port (10) comprises a national standard socket, an European standard socket and a copper bar terminal and is used for realizing the connection between a tested piece and a power supply;
the lower port (11) comprises a vehicle socket and a copper bar terminal and is used for realizing the connection of a tested piece with a load resistance, a leakage resistance (4) and a leakage tester (5).
4. The system for integrated testing of residual current operated characteristics of claim 1, wherein: the load impedance (3) comprises a pure resistive resistor module, a sliding mechanism, a sliding motor and a cooling fan and is used for outputting different rated load currents according to test requirements.
5. The system for integrated testing of residual current operated characteristics of claim 1, wherein: the leakage testing device comprises a leakage load, wherein the leakage load comprises a pure-resistance adjustable resistor, a rectifying circuit and a cooling fan and is used for realizing AC type, A type and B type leakage detection according to testing requirements.
6. The system of claim 5, wherein the residual current operating characteristic integrated test system comprises: the maximum leakage current output by the leakage load is larger than 100A.
7. The system for integrated testing of residual current operated characteristics of claim 1, wherein: the electric leakage tester (5) is used for detecting electric leakage of AC type, A type, B type and F type.
8. The system of claim 1, wherein the residual current operating characteristic integrated test system comprises: the data acquisition and control module (6) comprises a cabinet body, a voltage acquisition module, a current acquisition module, an alarm control module, a measurement and control host computer, and is used for acquiring and/or receiving voltage and/or current from different positions in the power cabinet (1), the port cabinet (2), the load impedance (3), the leakage impedance (4), generating corresponding detection signals and transmitting the detection signals to the measurement and control host computer, and is also used for receiving and executing control instructions from the control console (7), controlling the output voltage of the power cabinet (1), controlling the load impedance (3), adjusting the input of the leakage impedance (4) to the load current and the leakage current, sending instructions to the leakage tester (5), and receiving feedback output test results of the leakage tester (5).
9. The system of claim 1, wherein the residual current operating characteristic integrated test system comprises: the control console (7) comprises a display screen, a keyboard, a mouse, a power supply main switch and an emergency switch, wherein the power supply main switch is used for electrifying the whole test system, and the emergency switch is used for powering off the whole test system under abnormal conditions.
10. The system of claim 1, wherein the residual current operating characteristic integrated test system comprises: the test system is matched with an environment simulation box (13) for use and used for simulating test conditions of different environments, wherein the test environments comprise a temperature and humidity environment and a salt fog environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295412.2U CN217879388U (en) | 2022-02-09 | 2022-02-09 | Residual current operating characteristic integrated test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220295412.2U CN217879388U (en) | 2022-02-09 | 2022-02-09 | Residual current operating characteristic integrated test system |
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| Publication Number | Publication Date |
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| CN217879388U true CN217879388U (en) | 2022-11-22 |
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| CN202220295412.2U Active CN217879388U (en) | 2022-02-09 | 2022-02-09 | Residual current operating characteristic integrated test system |
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- 2022-02-09 CN CN202220295412.2U patent/CN217879388U/en active Active
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