CN215449458U - Alternating-current charging stake testing arrangement and system - Google Patents
Alternating-current charging stake testing arrangement and system Download PDFInfo
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- CN215449458U CN215449458U CN202121583567.8U CN202121583567U CN215449458U CN 215449458 U CN215449458 U CN 215449458U CN 202121583567 U CN202121583567 U CN 202121583567U CN 215449458 U CN215449458 U CN 215449458U
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Abstract
The utility model relates to the technical field of alternating current charging pile testing, in particular to an alternating current charging pile testing device and system, which comprise: the control box, the control box is equipped with input port, first communication mouth, power meter, the delivery outlet that charges, power input port, second communication mouth, be equipped with the control mainboard in the control box, the control mainboard with input port, first communication mouth, power meter, the delivery outlet that charges, power input port and second communication mouth are connected to charge, the control box is connected between alternating-current charging stake and load simulator, the control mainboard passes through the second communication mouth is connected with the computer communication. The utility model can upload the data detected by the control box to a computer in real time, and can trace various test states of the alternating current charging pile before abnormity occurs in the subsequent abnormity.
Description
Technical Field
The utility model relates to the technical field of alternating current charging pile testing, in particular to an alternating current charging pile testing device and system.
Background
Fill its function of electric pile and be similar to the tanker aircraft inside the filling station, it can be according to the electric automobile charging of different voltage classes for various models.
The method for testing the charging pile on the production line at present is to directly connect the charging pile with a charging simulator and test whether the charging pile can be normally charged; but scanning data are not bound with the charging pile, the tested data are not stored, and various testing states before the charging pile is abnormal cannot be traced when the charging pile is abnormal subsequently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides an ac charging pile testing apparatus and system, which can bind scan data with an ac charging pile, and can trace various testing states before an abnormality occurs in the ac charging pile when the abnormality occurs subsequently.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an alternating current charging pile testing device comprises: the control system comprises a control box, a power meter and a control module, wherein the control box is provided with a charging input port, a first communication port, a power meter, a charging output port, a power input port and a second communication port, a control mainboard is arranged in the control box, and the control mainboard is connected with the charging input port, the first communication port, the power meter, the charging output port, the power input port and the second communication port;
the charging input port is used for being connected with an alternating-current charging pile, the charging output port is used for being connected with a load simulator, and the control mainboard is in communication connection with a computer or automation equipment through the second communication port.
Further, the control box is provided with a power switch, and the power switch is electrically connected with the control mainboard.
Further, the control box is equipped with status indicator lamp, status indicator lamp with control mainboard electric connection.
Further, the status indicator lamps comprise a bad indicator lamp, a good product indicator lamp and an operation indicator lamp.
Further, the first communication port and the second communication port both comprise RS485 and I/O communication.
Further, the control mainboard is provided with a contactor adhesion test module, and the contactor adhesion test module is connected with the first communication port.
Further, the control mainboard is provided with a ground protection loss test module, one end of the ground protection loss test module is connected with the charging input port, and the other end of the ground protection loss test module is connected with the charging output port.
Further, the control mainboard is provided with an earth leakage protection test module, and the earth leakage protection test module is connected with the charging input port.
Furthermore, the control mainboard is provided with a power supply power-off test module, and the power supply power-off test module is connected with the first communication port.
The utility model also provides a system for testing the alternating-current charging pile, which comprises: load simulator and foretell alternating-current charging stake testing arrangement, the load simulator passes through alternating-current charging stake testing arrangement is connected with the alternating-current charging stake, the alternating-current charging stake testing arrangement is connected with computer or automation equipment communication.
The utility model has the beneficial effects that:
the present invention comprises: the control box is provided with a charging input port, a charging output port and a second communication port, a control main board is arranged in the control box, the control box is connected between the alternating-current charging pile and the load simulator during testing, and the second communication port is connected with a computer; the data detected by the control box can be uploaded to a computer in real time, and various test states before abnormity of the alternating-current charging pile can be traced when abnormity occurs subsequently.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a schematic diagram of the ac charging pile testing system according to the present invention.
Fig. 5 is a schematic diagram of the connection of the control box with the ac charging post and the load simulator.
Fig. 6 and 7 are partial circuit diagrams of the control main board according to the present invention.
The reference numbers illustrate: 1. a control box; 2. a power meter; 3. a bad indicator light; 4. a good product indicator light; 5. an operation indicator light; 6. a power switch; 7. a charging output port; 8. a second communication port; 9. a power supply input port; 10. a charging input port; 11. a first communication port.
Detailed Description
Referring to fig. 1-5, the present invention relates to an ac charging pile testing apparatus, including: the control system comprises a control box 1, wherein the control box 1 is provided with a charging input port 10, a first communication port 11, a power meter 2, a charging output port 7, a power input port 9 and a second communication port 8, a control mainboard is arranged in the control box 1, and the control mainboard is electrically connected with the charging input port 10, the first communication port 11, the power meter 2, the charging output port 7, the power input port 9 and the second communication port 8;
the charging input port 10 is used for connecting an alternating-current charging pile, the charging output port 7 is used for connecting a load simulator, and the control mainboard is in communication connection with a computer or automation equipment through the second communication port 8;
in the scheme, the data tested by the control box 1 are uploaded to a computer or automation equipment in real time, and various test states before the abnormality of the alternating-current charging pile can be traced when the abnormality occurs subsequently.
Further, the control box 1 is provided with a power switch 6, and the power switch 6 is electrically connected with the control main board; the power switch 6 is used for controlling the power-on or power-off of the control box 1.
Further, the control box 1 is provided with a status indicator lamp, the status indicator lamp is electrically connected with the control main board, and the status indicator lamp comprises a bad indicator lamp 3, a good product indicator lamp 4 and an operation indicator lamp 5; the purpose of the definition here is to make it possible to visually see the progress of the test and the results of the test.
Further, the first communication port 11 and the second communication port 8 both include RS485 and I/O communication; RS485 meets the requirement of instruction communication, and the I/O signals can be subjected to relevant state exchange, so that the requirements of different use scenes are met.
Further, the control main board is integrated with a voltage and current testing module, a contactor adhesion testing module, a CP disconnection testing module, a CP grounding testing module, a grounding protection loss testing module, a disconnection switch testing module, an earth leakage protection testing module and a power supply loss testing module, wherein the contactor adhesion testing module is connected with the first communication port 11, one end of the grounding protection loss testing module is connected with the charging input port 10, and the other end of the grounding protection loss testing module is connected with the charging output port 7; the leakage protection test module is connected with the charging input port 10, and the power supply power loss test module is connected with the first communication port 11.
Referring to fig. 6-7, the modules are described as follows:
the working principle of the contactor adhesion testing module refers to a contactor adhesion monitoring test in NB-T33008.2-2018, and the testing judgment basis is as follows: after adhesion is simulated, setting charging failure in the subsequent steps, and representing that an adhesion function effective test passes; the test method comprises the following steps: a Relay-7 short circuit is carried out, a charging pile is started, and the numerical value of the power meter 2 is read;
the working principle of the CP disconnection testing module refers to ' 6.4.4.2CP disconnection testing ' in GBT 34657.1-2017 ', and the testing judgment basis is as follows: firstly, charging is set, then CP disconnection is simulated, the voltage value of the output voltage Volt of the charging gun end is read as 0 in the subsequent steps, the function validation test is passed, and waveform grabbing and time judging are not needed; the test method comprises the following steps: when the charging pile normally works, a Relay-4 is opened, and the numerical value of the power meter 2 is read;
the working principle of the CP grounding test module refers to '6.4.4.3 CP grounding test' in GBT 34657.1-2017, and the test judgment basis is as follows: firstly, charging is set, then CP grounding is simulated, and in the subsequent steps, the voltage value of the voltage loss Volt output by a charging gun end is read to be 0, which represents that the function validation test is passed without waveform grabbing and time judgment; the test method comprises the following steps: when the charging pile normally works, Relay-5 is in short circuit, and the numerical value of the power meter 2 is read;
the working principle of the grounding protection loss test module refers to ' 6.4.4.4 protection grounding conductor continuity loss test ' in GBT 34657.1-2017 ', and the test judgment basis is as follows: firstly, charging is set, then the power supply grounding PE wire at the input end is disconnected, the voltage value of the voltage loss Volt output by the charging gun end is read as 0 in the subsequent steps, the function validation test is passed, and the waveform does not need to be captured and the time does not need to be judged; the test method comprises the following steps: when the charging pile normally works, a Relay-2 is opened, and the numerical value of the power meter 2 is read;
the working principle of the disconnection switch testing module refers to ' 6.4.4.6 disconnection switch S2 test ' in GBT 34657.1-2017 ', and the test judgment basis is as follows: firstly, setting charging, then disconnecting the switch S2, reading that the output voltage loss value of a charging gun end is 0 in the subsequent steps, representing that the function validation test is passed without grabbing waveform and judging time; the test method comprises the following steps: when the charging pile normally works, a Relay-6 is opened, and the numerical value of the power meter 2 is read;
the working principle of the leakage protection test module refers to a leakage protection test in NB-T33008.2-2018, and the test judgment basis is as follows: firstly, setting charging, then simulating that the leakage current exceeds a 30mA protection threshold value, reading that the voltage value of the voltage loss Volt output by a charging gun end is 0 in the subsequent steps, and representing that a functional validation test is passed; the purpose of this test is: verifying that the charging pile should immediately cut off the alternating current power supply loop when the leakage on the live wire or the zero wire exceeds a 30mA protection threshold value in the charging process; the test method comprises the following steps: under the condition of normal output, Relay-1 is short-circuited, and the numerical value of a power meter 2 is read;
the working principle of the power supply power loss test module refers to a power supply input power loss test in NB-T33008.2-2018, and the test judgment basis is as follows: firstly, charging is set, then the testing system automatically cuts off alternating current power supply, time delay is carried out, the voltage value of the voltage loss Volt output by the charging gun end is read to be below 42.4V AC in the subsequent steps, the function effective test is passed, and waveform grabbing and time and voltage judging are not needed; the test method comprises the following steps: and under the condition of normal output, Relay-8 is opened, the external alternating current contactor is disconnected, the power is cut off forcibly, and the numerical value of the power meter 2 is read.
In fig. 7, the communication port 1 is the first communication port 11, and the communication port 2 is the second communication port 8.
Referring to fig. 4-5, the present invention further provides an ac charging pile testing system, including: load simulator and foretell alternating-current charging stake testing arrangement, the load simulator passes through alternating-current charging stake testing arrangement is connected with the alternating-current charging stake, the alternating-current charging stake testing arrangement is connected with computer or automation equipment communication.
The utility model has the advantages that:
the present invention comprises: the control system comprises a control box 1, wherein the control box 1 is provided with a charging input port 10, a charging output port 7 and a second communication port 8, a control mainboard is arranged in the control box 1, the control box 1 is connected between an alternating current charging pile and a load simulator during testing, and the second communication port 8 is connected with a computer; the data tested by the control box 1 can be uploaded to a computer in real time, and various testing states before abnormity of the alternating-current charging pile can be traced when abnormity occurs subsequently.
The utility model integrates a plurality of test items, uploads the test result in real time, reduces the test procedures, can complete the test by only one staff and improves the working efficiency.
In addition, the computer stores all test data, and the computer can analyze the main problems of the alternating current charging pile products after mass production according to the data, so that the improvement of the products is facilitated.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.
Claims (10)
1. An alternating current charging pile testing device is characterized by comprising: the control system comprises a control box, a power meter and a control module, wherein the control box is provided with a charging input port, a first communication port, a power meter, a charging output port, a power input port and a second communication port, a control mainboard is arranged in the control box, and the control mainboard is connected with the charging input port, the first communication port, the power meter, the charging output port, the power input port and the second communication port;
the charging input port is used for being connected with an alternating-current charging pile, the charging output port is used for being connected with a load simulator, and the control mainboard is in communication connection with a computer or automation equipment through the second communication port.
2. The device for testing the alternating-current charging pile according to claim 1, characterized in that: the control box is provided with a power switch, and the power switch is electrically connected with the control mainboard.
3. The alternating-current charging pile testing device according to claim 2, characterized in that: the control box is equipped with status indicator lamp, status indicator lamp with control mainboard electric connection.
4. The alternating-current charging pile testing device according to claim 3, characterized in that: the status indicator lamp comprises a bad indicator lamp, a good product indicator lamp and an operation indicator lamp.
5. The device for testing the alternating-current charging pile according to claim 1, characterized in that: the first communication port and the second communication port both comprise RS485 and I/O communication.
6. The device for testing the alternating-current charging pile according to claim 5, wherein: the control mainboard is provided with a contactor adhesion test module, and the contactor adhesion test module is connected with the first communication port.
7. The device for testing the alternating-current charging pile according to claim 5, wherein: the control mainboard is provided with a grounding protection loss test module, one end of the grounding protection loss test module is connected with the charging input port, and the other end of the grounding protection loss test module is connected with the charging output port.
8. The device for testing the alternating-current charging pile according to claim 5, wherein: the control mainboard is equipped with earth leakage protection test module, earth leakage protection test module with the input port connection that charges.
9. The device for testing the alternating-current charging pile according to claim 5, wherein: the control mainboard is provided with a power supply power-off test module, and the power supply power-off test module is connected with the first communication port.
10. An alternating current charging pile test system is characterized by comprising: a load simulator and an ac charging post testing apparatus as claimed in any of claims 1 to 9, the load simulator being connected to the ac charging post via the ac charging post testing apparatus, the ac charging post testing apparatus being communicatively connected to a computer or an automation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583567.8U CN215449458U (en) | 2021-07-12 | 2021-07-12 | Alternating-current charging stake testing arrangement and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121583567.8U CN215449458U (en) | 2021-07-12 | 2021-07-12 | Alternating-current charging stake testing arrangement and system |
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| Publication Number | Publication Date |
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| CN215449458U true CN215449458U (en) | 2022-01-07 |
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| CN202121583567.8U Active CN215449458U (en) | 2021-07-12 | 2021-07-12 | Alternating-current charging stake testing arrangement and system |
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2021
- 2021-07-12 CN CN202121583567.8U patent/CN215449458U/en active Active
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