Alternating current charging pile testing device and system
By designing an automated AC charging pile testing device and system, integrating multiple test functions, the problem of low performance testing efficiency of charging piles is solved, automated detection is realized, and testing efficiency is improved.
Patent Information
- Application Number
- CN202421449701.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The performance testing efficiency of existing charging piles is low, mainly relying on manual operations, resulting in low testing efficiency.
An alternating current charging pile testing device and system is designed, including a first connection module, a test module, a second connection module and a display module. Automatic testing is carried out through the upper computer control test module, and functions such as on-off testing, grounding testing, adhesion testing and leakage testing are integrated to realize automatic detection of charging pile performance.
It improves the automation of charging pile performance testing, reduces manual intervention, and improves testing efficiency.
Smart Images
Figure CN222952429U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charging pile testing systems, and in particular to an alternating current charging pile testing device and system. Background Art
[0002] With the popularity of new energy vehicles, the demand for charging piles has also increased. Charging piles are used to charge new energy vehicles. In order to ensure safety, charging piles need to be tested for performance after production to ensure that they meet safety requirements.
[0003] At present, the testing method for charging piles is usually performed manually by staff, that is, when a test is completed, the staff determines whether it is qualified, and then performs the next test until the test is completed, which results in low testing efficiency. Utility Model Content
[0004] The utility model provides an alternating current charging pile testing device and system, aiming to solve the problem of low efficiency in the current performance testing of the charging pile.
[0005] In a first aspect, the utility model provides an AC charging pile testing device, which includes a first connection module, a test module, a second connection module and a display module; one end of the first connection module is used to connect to the charging pile; one end of the test module is connected to the first connection module, and the controlled end of the test module is connected to a host computer; one end of the second connection module is connected to the other end of the test module; and the display module is connected to the other end of the second connection module.
[0006] Furthermore, the test module includes a continuity test module and a grounding test module; one end of the continuity test module and one end of the grounding test module are both connected to the first connection module, the other end of the continuity test module and the other end of the grounding test module are both connected to the second connection module, and the controlled end of the continuity test module and the controlled end of the grounding test module are both connected to the host computer.
[0007] Further, the on-off test module includes a PE on-off test relay, a CC on-off test relay and a CP on-off test relay; one end of the PE on-off test relay is connected to the first connection module, the normally closed contact of the PE on-off test relay is connected to the second connection module, and the controlled end of the PE on-off test relay is connected to the host computer; one end of the CC on-off test relay is connected to the first connection module, the normally closed contacts of the CC on-off test relay are respectively connected to the second connection module and the grounding test module, and the controlled end of the CC on-off test relay is connected to the host computer; one end of the CP on-off test relay is connected to the first connection module, the normally closed contacts of the CP on-off test relay are respectively connected to the grounding test module and the second connection module, and the controlled end of the CP on-off test relay is connected to the host computer.
[0008] Further, the grounding test module includes a CP grounding test relay and a CC grounding test relay; the normally open contact of the CP grounding test relay is connected to the normally closed contact of the CP on-off test relay, one end of the CP grounding test relay is connected to the second connection module, and the controlled end of the CP grounding test relay is connected to the host computer; the normally open contact of the CC grounding test relay is connected to the normally closed contact of the CC on-off test relay, one end of the CC grounding test relay is connected to the second connection module, and the controlled end of the CC grounding test relay is connected to the host computer.
[0009] Furthermore, it also includes a simulated battery module, one end of which is connected to the power supply, and the other end of which is connected to the second connection module.
[0010] Furthermore, the simulated battery module includes a first resistor, a second resistor and a relay; one end of the first resistor is connected to the normally open contact of the relay, one end of the second resistor is connected to the relay, and the other end of the first resistor and the other end of the second resistor are both connected to the second connection module.
[0011] Furthermore, it also includes an adhesion test module, and the adhesion test module is connected to the first connection module, the second connection module and the host computer respectively.
[0012] Furthermore, the adhesion test module includes a first contactor adhesion test relay, a second contactor adhesion test relay and a third contactor adhesion test relay; the first contactor adhesion test relay, the second contactor adhesion test relay and the third contactor adhesion test relay are respectively connected to the first connection module, the second connection module and the host computer.
[0013] Furthermore, it also includes a leakage test module, and the leakage test module is connected to the second connection module and the host computer respectively.
[0014] In a second aspect, the utility model further provides an AC charging pile testing system, which comprises a host computer and any one of the AC charging pile testing devices described above.
[0015] The AC charging pile test system disclosed in the utility model includes an AC charging pile test device and a host computer. The AC charging pile test device includes a first connection module, a test module, a second connection module and a display module. The first connection module is connected to the charging pile, and the test module is connected to the first connection module, the second connection module and the host computer. The test module may include various different performance test modules, for example, a PE test, a CC test and a CP test, and each module of the test module is connected to the host computer and can be turned on and off under the control of the host computer to achieve testing of the corresponding performance of the charging pile. At the same time, the test module is also connected to the display module through the second connection module, and the test result can be output to the display module, so that the user can understand the test result. The entire test process is controlled by the host computer without the need for user participation, thereby improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 It is a block diagram of an AC charging pile testing device provided by an embodiment of the present utility model;
[0018] Figure 2 It is a block diagram of an AC charging pile testing device provided by another embodiment of the utility model;
[0019] Figure 3 is a circuit diagram of a test module provided in one embodiment of the utility model;
[0020] Figure 4 It is a block diagram of an AC charging pile testing device provided by another embodiment of the utility model;
[0021] Figure 5 It is a circuit diagram of an adhesion test module provided in one embodiment of the utility model;
[0022] Figure 6 It is a circuit diagram of a leakage test module provided in one embodiment of the utility model. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, operations, elements, components and / or groups thereof.
[0025] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in the utility model specification and the appended claims, the singular forms of "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise. It should also be further understood that the term "and / or" used in the utility model specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes these combinations.
[0026] In addition, the directional terms mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "side", etc., are only for reference to the directions of the attached drawings and the use status of the product. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention. In addition, in the drawings, structures with similar or identical structures are represented by the same reference numerals.
[0027] See also Figures 1 to 6 , Figure 1 It is a block diagram of an AC charging pile testing device 100 provided in one embodiment of the present utility model; Figure 2 1 is a block diagram of an AC charging pile testing device 100 provided in another embodiment of the present invention; Figure 3 is a circuit diagram of a test module 20 provided in an embodiment of the utility model;
[0028] Figure 4 1 is a block diagram of an AC charging pile testing device 100 provided in another embodiment of the present utility model;
[0029] Figure 5is a circuit diagram of an adhesion testing module 60 provided in an embodiment of the present utility model; Figure 6 FIG. 7 is a circuit diagram of a leakage test module 70 provided in an embodiment of the present invention. Figure 1 As shown, the AC charging pile testing device 100 includes a first connection module 10, a test module 20, a second connection module 30 and a display module 40; one end of the first connection module 10 is used to connect to the charging pile 300; one end of the test module 20 is connected to the first connection module 10, and the controlled end of the test module 20 is connected to the host computer 200; one end of the second connection module 30 is connected to the other end of the test module 20; and the display module 40 is connected to the other end of the second connection module 30.
[0030] Specifically, the AC charging pile test device 100 (hereinafter referred to as the test device) is mainly used to test the charging pile 300 to detect whether the various performances of the charging pile 300 are normal. During the test, the CC signal (charging connection confirmation signal) and the CP signal (control guide signal) of the charging pile 300 are mainly tested to see whether they are normal. The test contents mainly include CC continuity test, CC grounding test, CP continuity test, and CP grounding test.
[0031] The testing device may include a first connection module 10, a second connection module 30, a test module 20 and a display module 40. The first connection module 10 is connected to the input socket of the charging gun of the charging pile 300, which may be a connection socket having multiple connection pins, and different connection pins are connected to different modules.
[0032] The second connection module 30 is connected to the display module 40 and is used to output the test results to the display module 40. The display module 40 can be a display instrument, such as an oscilloscope, which is used to display relevant test results, such as the duty cycle of the CP signal and the loop voltage.
[0033] The test module 20 includes multiple test circuits, for example, a CP on-off test circuit, a CP grounding test circuit, a CC on-off test circuit, and a CC grounding test circuit, and all the test circuits included in the test module 20 are connected to the host computer 200, and the host computer 200 controls the test. The host computer 200 can be an industrial computer, which has a built-in algorithm for testing the charging pile 300. At the beginning of the test, the industrial computer tests the charging pile 300 in turn according to the algorithm. Each test circuit of the test module 20 is also connected to the second connection module 30, and the second connection module 30 is also connected to the display module 40, and the detection results can be displayed through the display module 40.
[0034] During the test, each performance of the charging pile 300 can be tested in turn. For example, when a CP on-off test is required, the upper computer 200 can test the CP on-off test of the charging pile 300 by controlling the on-off of the CP on-off test circuit. After completing one test, the upper computer 200 automatically performs the next test.
[0035] See also Figure 2 As a further embodiment, the test module 20 includes a continuity test module 21 and a grounding test module 22; one end of the continuity test module 21 and one end of the grounding test module 22 are both connected to the first connection module 10, the other end of the continuity test module 21 and the other end of the grounding test module 22 are both connected to the second connection module 30, and the controlled end of the continuity test module 21 and the controlled end of the grounding test module 22 are both connected to the host computer 200.
[0036] Among them, the on-off test module 21 and the grounding test module 22 are respectively connected to the first connection module 10, the second connection module 30 and the host computer 200, and the host computer 200 controls whether to perform the test. The on-off test module 21 is mainly used to test whether the CP signal and the CC signal have an on-off fault, and the grounding test module 22 is mainly used to test whether the CP signal and the CC signal have a grounding fault. The first connection module 10 may include a first connector P1, and the second connection module may include a second connector P2. The first connector P1 and the second connector P2 are both provided with a plurality of pins for connecting with different modules.
[0037] See also Figure 3 As a further embodiment, the on-off test module 21 includes a PE on-off test relay U1, a CC on-off test relay U2 and a CP on-off test relay U3; one end of the PE on-off test relay U1 is connected to the first connection module 10, the normally closed contact of the PE on-off test relay U1 is connected to the second connection module 30, and the controlled end of the PE on-off test relay U1 is connected to the host computer 200; one end of the CC on-off test relay U2 is connected to the first connection module 10, the normally closed contacts of the CC on-off test relay U2 are respectively connected to the second connection module 30 and the grounding test module 22, and the controlled end of the CC on-off test relay U2 is connected to the host computer 200; one end of the CP on-off test relay U3 is connected to the first connection module 10, the normally closed contacts of the CP on-off test relay U3 are respectively connected to the grounding test module 22 and the second connection module 30, and the controlled end of the CP on-off test relay U3 is connected to the host computer 200.
[0038] Among them, Figure 2As shown, pin 5 of the PE continuity test relay U1 is connected to the PE1 pin of the first connection module 10, pin 1 of the PE continuity test relay U1 is connected to the PE2 pin of the second connection module 30, and pin 2 of the PE continuity test relay U1 is connected to the host computer 200. It can be understood that the connection between the PE continuity test relay U1 and the host computer 200 can be a direct connection or a terminal connection. For example, a connection terminal can be integrated on the circuit board and connected to the host computer 200 through the terminal.
[0039] Pin 5 of the CC on-off test relay U2 is connected to the CC pin of the first connection module 10 , pin 1 of the CC on-off test relay U2 is connected to the CC pin of the second connection module 30 , and pin 2 of the CC on-off test relay U2 is connected to the host computer 200 .
[0040] Pin 5 of the CP continuity test relay U3 is connected to the CP pin of the first connection module 10 , pin 1 of the CP continuity test relay U3 is respectively connected to the CP pins of the grounding test module 22 and the second connection module 30 , and pin 2 of the CP continuity test relay U3 is connected to the host computer 200 .
[0041] The host computer 200 can control the on and off of the PE on / off test relay U1 , the CC on / off test relay U2 , and the CP on / off test relay U3 respectively to control the corresponding on / off tests respectively.
[0042] As a further embodiment, the grounding test module 22 includes a CP grounding test relay U4 and a CC grounding test relay U6; the normally open contact of the CP grounding test relay U4 is connected to the normally closed contact of the CP on-off test relay U3, one end of the CP grounding test relay U4 is connected to the second connection module 30, and the controlled end of the CP grounding test relay U4 is connected to the host computer 200; the normally open contact of the CC grounding test relay U6 is connected to the normally closed contact of the CC on-off test relay U2, one end of the CC grounding test relay U6 is connected to the second connection module 30, and the controlled end of the CC grounding test relay U6 is connected to the host computer 200.
[0043] Among them, pin 10 of the CP grounding test relay U4 is connected to pin 1 of the CP on-off test relay U3 through a third resistor, pin 6 of the CP grounding test relay U4 is connected to pin PE2 of the second connection module 30, and pin 9 of the CP grounding test relay U4 is connected to the host computer 200.
[0044] Pin 10 of the CC grounding test relay U6 is connected to pin 1 of the CC on-off test relay U2 , pin 6 of the CC grounding test relay U6 is connected to pin PE2 of the second connection module 30 , and pin 9 of the CC grounding test relay U6 is connected to the host computer 200 .
[0045] See also Figure 4 As a further embodiment, it further includes a simulated battery module 50, one end of which is connected to the power supply, and the other end of which is connected to the second connection module 30. Further, the simulated battery module 50 includes a first resistor R1, a second resistor R2 and a relay U6; one end of the first resistor R1 is connected to the normally open contact of the relay U6, one end of the second resistor R2 is connected to the relay U6, and the other end of the first resistor R1 and the other end of the second resistor R2 are both connected to the second connection module 30. Among them, the first resistor R1, the second resistor R2 and the relay U6 form a simulated battery to send a signal that charging is possible to the charging pile 300.
[0046] See also Figure 5 As a further embodiment, it further includes an adhesion test module 60, and the adhesion test module 60 is respectively connected to the first connection module 10, the second connection module 30 and the host computer 200. Further, the adhesion test module 60 includes a first contactor adhesion test relay L1, a second contactor adhesion test relay L2 and a third contactor adhesion test relay L3; the first contactor adhesion test relay L1, the second contactor adhesion test relay L2 and the third contactor adhesion test relay L3 are respectively connected to the first connection module 10, the second connection module 30 and the host computer 200.
[0047] Among them, the 8 pins of the first contactor adhesion test relay L1, the 8 pins of the second contactor adhesion test relay L2, and the 8 pins of the third contactor adhesion test relay L3 are all connected to the pins corresponding to the first connection module 10, the 4 pins of the first contactor adhesion test relay L1, the 4 pins of the second contactor adhesion test relay L2, and the 4 pins of the third contactor adhesion test relay L3 are all connected to the pins corresponding to the second connection module 30, and the 16 pins of the first contactor adhesion test relay L1, the 16 pins of the second contactor adhesion test relay L2, and the 16 pins of the third contactor adhesion test relay L3 are all connected to the host computer 200. The first contactor adhesion test relay L1, the second contactor adhesion test relay L2, and the third contactor adhesion test relay L3 are used to perform adhesion tests on the contactors of the charger to confirm whether the contactors of the charging pile 300 are in adhesion.
[0048] As a further embodiment, it further includes a leakage test module 70 , and the leakage test module 70 is connected to the second connection module 30 and the host computer 200 respectively.
[0049] Among them, Figure 6 As shown, the leakage test module 70 may include leakage test relays U7-U12, 9 pins of the leakage test relays U7-U12 are all connected to the host computer 200, and 6 pins of the leakage test relays U7-U12 are all connected to the second connection module 30. Leakage test relays U7 and U10 are used to perform leakage test on the first contactor, leakage test relays U8 and U11 are used to perform leakage test on the second contactor, and leakage test relays U9 and U12 are used to perform leakage test on the third contactor. Taking leakage test relays U7 and U10 as examples, the resistance values of the resistors connected to the leakage test relays U7 and U10 are different, that is, the resistance values of the fifth resistor and the eighth resistor are different, which are used to simulate leakage faults of different currents. The leakage test relay U7 can perform a leakage test of 6 mA, and the leakage test relay U10 can perform a leakage test of 30 mA.
[0050] The utility model also provides an AC charging pile test system, which includes a host computer 200 and an AC charging pile test device 100 described in any one of the above embodiments; the AC charging pile test device 100 includes a first connection module 10, a test module 20, a second connection module 30 and a display module 40; one end of the first connection module 10 is used to connect to the charging pile 300; one end of the test module 20 is connected to the first connection module 10, and the controlled end of the test module 20 is connected to the host computer 200; one end of the second connection module 30 is connected to the other end of the test module 20; and the display module 40 is connected to the other end of the second connection module 30.
[0051] Specifically, the AC charging pile test device 100 (hereinafter referred to as the test device) is mainly used to test the charging pile 300 to detect whether the various performances of the charging pile 300 are normal. During the test, the CC signal (charging connection confirmation signal) and the CP signal (control guide signal) of the charging pile 300 are mainly tested to see whether they are normal. The test contents mainly include CC continuity test, CC grounding test, CP continuity test, and CP grounding test.
[0052] The testing device may include a first connection module 10, a second connection module 30, a test module 20 and a display module 40. The first connection module 10 is connected to the input socket of the charging gun of the charging pile 300, which may be a connection socket having multiple connection pins, and different connection pins are connected to different modules.
[0053] The second connection module 30 is connected to the display module 40 and is used to output the test results to the display module 40. The display module 40 can be a display instrument, such as an oscilloscope, which is used to display relevant test results, such as the duty cycle of the CP signal and the loop voltage.
[0054] The test module 20 includes multiple test circuits, for example, a CP on-off test circuit, a CP grounding test circuit, a CC on-off test circuit, and a CC grounding test circuit, and all the test circuits included in the test module 20 are connected to the host computer 200, and the host computer 200 controls the test. The host computer 200 can be an industrial computer, which has a built-in algorithm for testing the charging pile 300. At the beginning of the test, the industrial computer tests the charging pile 300 in turn according to the algorithm. Each test circuit of the test module 20 is also connected to the second connection module 30, and the second connection module 30 is also connected to the display module 40, and the detection results can be displayed through the display module 40.
[0055] During the test, each performance of the charging pile 300 can be tested in turn. For example, when a CP on-off test is required, the upper computer 200 can test the CP on-off test of the charging pile 300 by controlling the on-off of the CP on-off test circuit. After completing one test, the upper computer 200 automatically performs the next test.
[0056] The utility model discloses an AC charging pile testing device and system, which connects the charging pile and the testing module via a first connecting module, and the testing module connects the second connecting module and the host computer, so that the host computer can control the testing module to perform tests of different performances without user participation, thereby improving the testing efficiency.
[0057] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. An AC charging pile testing device, characterized in that: include: A first connection module, one end of which is used to connect to a charging pile; A test module, one end of which is connected to the first connection module, and a controlled end of which is connected to a host computer; A second connection module, one end of which is connected to the other end of the test module; A display module is connected to the other end of the second connection module.
2. The AC charging pile testing device according to claim 1, characterized in that: The test module includes a continuity test module and a grounding test module; One end of the on-off test module and one end of the grounding test module are both connected to the first connection module, the other end of the on-off test module and the other end of the grounding test module are both connected to the second connection module, and the controlled end of the on-off test module and the controlled end of the grounding test module are both connected to the host computer.
3. The AC charging pile testing device according to claim 2, characterized in that: The on-off test module includes a PE on-off test relay, a CC on-off test relay and a CP on-off test relay; One end of the PE on-off test relay is connected to the first connection module, the normally closed contact of the PE on-off test relay is connected to the second connection module, and the controlled end of the PE on-off test relay is connected to the host computer; One end of the CC on-off test relay is connected to the first connection module, the normally closed contacts of the CC on-off test relay are respectively connected to the second connection module and the grounding test module, and the controlled end of the CC on-off test relay is connected to the host computer; One end of the CP on-off test relay is connected to the first connection module, the normally closed contacts of the CP on-off test relay are respectively connected to the grounding test module and the second connection module, and the controlled end of the CP on-off test relay is connected to the host computer.
4. The AC charging pile testing device according to claim 3, characterized in that: The grounding test module includes a CP grounding test relay and a CC grounding test relay; The normally open contact of the CP grounding test relay is connected to the normally closed contact of the CP on-off test relay, one end of the CP grounding test relay is connected to the second connection module, and the controlled end of the CP grounding test relay is connected to the host computer; The normally open contact of the CC grounding test relay is connected to the normally closed contact of the CC on-off test relay, one end of the CC grounding test relay is connected to the second connection module, and the controlled end of the CC grounding test relay is connected to the host computer.
5. The AC charging pile testing device according to claim 1, characterized in that: It also includes a simulated battery module, one end of which is connected to the power supply, and the other end of which is connected to the second connection module.
6. The AC charging pile testing device according to claim 5, characterized in that: The simulated battery module includes a first resistor, a second resistor and a relay; One end of the first resistor is connected to the normally open contact of the relay, one end of the second resistor is connected to the relay, and the other end of the first resistor and the other end of the second resistor are both connected to the second connection module.
7. The AC charging pile testing device according to claim 1, characterized in that: It also includes an adhesion test module, which is connected to the first connection module, the second connection module and the host computer respectively.
8. The AC charging pile testing device according to claim 7, characterized in that: The adhesion test module includes a first contactor adhesion test relay, a second contactor adhesion test relay and a third contactor adhesion test relay; The first contactor adhesion test relay, the second contactor adhesion test relay and the third contactor adhesion test relay are connected to the first connection module, the second connection module and the host computer respectively.
9. The AC charging pile testing device according to claim 1, characterized in that: It also includes a leakage test module, which is connected to the second connection module and the host computer respectively.
10. An AC charging pile testing system, characterized in that: It comprises a host computer and an AC charging pile testing device as described in any one of claims 1 to 9.