Energy storage valve sub-module control board test system

Abstract

An energy storage valve sub-module control board test system. By means of an upper computer (100) and via master test tooling (200) and slave test tooling (300), instructions or data between a valve base control unit (210) of the master test tooling (200) and a sub-module control board (400) to be tested and between said sub-module control board (400) and a sub-module control unit (310) of the slave test tooling (300) are configured, such that a physical test of said sub-module control board (400) in single-link redundant communication is realized, and thus the test of an energy storage valve sub-module control board system is more sufficient.

Description

Energy storage valve sub-module control board test system

[0001] This application claims priority to the Chinese patent application No. 202421971411.0, filed on August 14, 2024, and entitled "Energy storage valve sub-module control board test system", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application belongs to the technical field of testing, and particularly relates to an energy storage valve sub-module control board test system. BACKGROUND

[0003] Flexible DC energy storage utilizes modular multilevel (MMC) technology. The energy storage valve control and protection system of flexible DC energy storage has multiple control levels and complex interfaces, and needs to be tested under simulated engineering field conditions before leaving the factory.

[0004] In some cases, in the field of high-voltage DC direct-hanging energy storage valves below 35 kilovolts (kV), a sub-module controller (SMC) and a valve base controller (VBC) dual-communication link cross-redundancy communication mode is usually used. In the field of ultra-high-voltage (for example, above 800 kV) DC direct-hanging energy storage valves, due to the large number of sub-modules, if the sub-modules and the valve base controller use a dual-communication link redundancy communication mode, more communication media (such as optical fibers) are needed, so a single-link connection mode of SMC and VBC is used, and a redundancy communication mode of connecting the SMCs of adjacent sub-modules, that is, a single-link redundancy communication connection mode of VBC-SMC-SMC-VBC.

[0005] For this redundancy communication mode, a corresponding test needs to be matched to verify the function of the redundancy communication.

[0006] CONTENT

[0007] In view of the above problems, the present application provides an energy storage valve sub-module control board test system, which aims to solve the problem that the single-link redundancy communication connection mode of SMC and VBC needs to be matched with a corresponding test.

[0008] In a first aspect, the embodiments of the present application provide an energy storage valve sub-module control board test system, which comprises a host computer, a main test tool and a slave test tool. The slave test tool comprises a sub-module control unit, and the main test tool comprises a valve base control unit. The main test tool is connected with the host computer, a to-be-tested sub-module control board and the slave test tool, and the slave test tool is connected with the to-be-tested sub-module control board.

[0009] In the technical scheme of the embodiment of the application, the host computer configures the instructions or data between the valve base control unit of the main test tooling and the to-be-tested sub-module control board and between the to-be-tested sub-module control board and the sub-module control unit of the slave test tooling, so that the physical testing of the to-be-tested sub-module control board in the single-link redundant communication of VBC-SMC-SMC-VBC is realized, and the testing of the energy storage valve sub-module control board system is more sufficient.

[0010] In some embodiments, the main test tooling comprises a power supply unit, a control unit and a plurality of interface boards, the power supply unit is connected with the control unit and the plurality of interface boards, the control unit is connected with the host computer and the plurality of interface boards, and the plurality of interface boards are connected with the to-be-tested sub-module control board and the slave test tooling.

[0011] In the technical scheme of the embodiment of the application, the interface boards in the main test tooling can be integrated with conventional interface tooling and can be used compatibly, and have expandability and configurability; in some embodiments, the power supply unit and the control unit are shared by the interface boards, and no additional hardware board needs to be developed.

[0012] In some embodiments, the control unit comprises a valve base control unit, the interface board comprises a valve base control unit interface, and the valve base control unit is connected with the to-be-tested sub-module control board through the valve base control unit interface.

[0013] In the technical scheme of the embodiment of the application, the valve base control unit in the main test tooling is used to realize the valve base control device, and the hardware cost is saved.

[0014] In some embodiments, the control unit further comprises a first battery management unit, the interface board further comprises a first battery management unit interface, and the first battery management unit is connected with the to-be-tested sub-module control board through the first battery management unit interface.

[0015] In the technical scheme of the embodiment of the application, the host computer configures the instructions or data between the main test tooling and the first battery management unit and between the to-be-tested sub-module control board and the first battery management unit through the main test tooling, so that necessary battery management signals and data can be provided for the normal operation of the to-be-tested sub-module control board, the physical testing of the to-be-tested sub-module control board inside the energy storage valve sub-module is realized, and the testing of the energy storage valve sub-module control board system is more sufficient.

[0016] In some embodiments, the control unit further comprises a bypass switch triggering and monitoring unit and a bus switch triggering and monitoring unit, the interface board further comprises a bypass switch interface and a bus switch interface, the bypass switch triggering and monitoring unit is connected with the to-be-tested sub-module control board through the bypass switch interface, and the bus switch triggering and monitoring unit is connected with the to-be-tested sub-module control board through the bus switch interface.

[0017] In the technical scheme of the embodiment of the application, the host computer triggers and monitors the bypass switch and the bus switch of the to-be-tested sub-module control board through the bypass switch and the bus switch trigger and monitoring unit of the main test tool, and simulates the actual interaction of the to-be-tested sub-module control board with the battery management control board through the battery management unit interface, so as to provide necessary switch signals and data for the normal operation of the to-be-tested sub-module control board, and to realize the physical test of the to-be-tested sub-module control board.

[0018] In some embodiments, the interface board further comprises an adjacent sub-module control board interface connected with the to-be-tested sub-module control board.

[0019] In the technical scheme of the embodiment of the application, the adjacent sub-module control board interface is configured in the main test tool, so that the adjacent sub-module control board can be simulated in the main test tool, thereby expanding the number of to-be-tested sub-module control boards and providing a way of physically testing the to-be-tested sub-module control board.

[0020] In some embodiments, the slave test tool comprises an adjacent sub-module control board interface connected with the to-be-tested sub-module control board.

[0021] In the technical scheme of the embodiment of the application, the adjacent sub-module control board (i.e., the sub-module control unit) is configured in the slave test tool, so that the number of to-be-tested sub-module control boards can be expanded and another way of physically testing the to-be-tested sub-module control board is provided.

[0022] In some embodiments, the slave test tool further comprises a power circuit unit comprising a power circuit or a power circuit simulator, and the power circuit unit is connected with the to-be-tested sub-module control board.

[0023] In the technical scheme of the embodiment of the application, the power circuit unit of the slave test tool provides a trigger control and feedback detection object for the power circuit of the to-be-tested sub-module control board, so as to provide necessary trigger and detection objects for the normal operation of the to-be-tested sub-module control board and to realize the physical test of the to-be-tested sub-module control board.

[0024] In some embodiments, the slave test tool further comprises a second battery management unit and a second battery management unit interface, and the second battery management unit is connected with the to-be-tested sub-module control board through the second battery management unit interface.

[0025] The battery management simulation unit is arranged in the slave test tool in the technical scheme of the embodiment of the application, the host computer can configure the instructions or data between the master test tool and the slave test tool and the second battery management unit and between the to-be-tested sub-module control board and the second battery management unit through the master test tool to the slave test tool, the necessary battery management signals and data for the normal operation of the to-be-tested sub-module control board are provided, the physical test of the to-be-tested sub-module control board in the energy storage valve sub-module is realized, and the energy storage valve sub-module control board system test is more sufficient.

[0026] In some embodiments, a battery management control board is further included, and the battery management control board is connected with the to-be-tested sub-module control board.

[0027] In the technical scheme of the embodiment of the application, an additional battery management control board is provided, the necessary battery management signals and data for the normal operation of the to-be-tested sub-module control board are provided, the physical test of the to-be-tested sub-module control board in the energy storage valve sub-module is realized, and the energy storage valve sub-module control board system test is more sufficient.

[0028] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the specific embodiments of the application can be implemented according to the content of the description, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS

[0029] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are intended to depict only preferred embodiments of the application, and therefore should not be considered to narrow the scope of the present application. Rather, the entire scope of the application is to be indicated by the appended claims. Moreover, like reference numerals are intended to represent like parts throughout all the drawings. In the drawings:

[0030] FIG. 1 is a structural schematic diagram of an energy storage valve provided by an embodiment of the application;

[0031] FIG. 2 is a circuit schematic diagram of an energy storage valve sub-module provided by an embodiment of the application;

[0032] FIG. 3 is a schematic diagram of single-link redundancy communication of an energy storage valve provided by an embodiment of the application;

[0033] FIG. 4 is a structural schematic diagram of an energy storage valve sub-module control board test system provided by an embodiment of the application;

[0034] FIG. 5 is a structural schematic diagram of a test tool in an energy storage valve sub-module control board test system provided by an embodiment of the application;

[0035] FIG. 6 is a structural schematic diagram of an energy storage valve sub-module control board test system provided by an embodiment of the application;

[0036] FIG. 7 is a structural schematic diagram of a test system of a control board of an energy storage valve sub-module according to an embodiment of the present application;

[0037] FIG. 8 is a structural schematic diagram of a test system of a control board of an energy storage valve sub-module according to an embodiment of the present application. DETAILED DESCRIPTION

[0038] The embodiments of the technical solutions of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion.

[0040] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.

[0041] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily mutually exclusive or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0042] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are in an "or" relationship.

[0043] In the description of the embodiments of the present application, the term "multiple" refers to two or more (including two), and similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces).

[0044] Fig. 1 is a schematic diagram of a high-voltage direct-hanging energy storage valve (hereinafter referred to as an energy storage valve), as shown in Fig. 1, the energy storage valve includes an upper bridge arm and a lower bridge arm, the upper bridge arm and the lower bridge arm respectively include a protection device S1, S2 and m energy storage sub-modules. Among them, the energy storage sub-modules in the upper bridge arm and the lower bridge arm are respectively represented as SM1#m and SM2#m, and m is 1, 2, 3,..., n. The protection device S1, S2 is, for example, a contactor or a circuit breaker.

[0045] Among them, the topology of the energy storage valve sub-module is shown in Fig. 2, which includes a bypass switch K1, a bus switch K2, a power circuit, a filter capacitor C1 and a battery module BT1, the power circuit includes an upper switch tube T1 and a lower switch tube T2 connected in series between the positive and negative bus, and the switch tube is, for example, an Insulate-Gate Bipolar Transistor (IGBT). The battery module BT1 includes at least one battery cluster, each battery cluster includes one or more battery packs, and each battery pack includes one or more battery monomers. In some embodiments, A1 and A2 in Fig. 2 represent two connection ports, and each energy storage valve sub-module is connected to the main loop of the energy storage valve through the two connection ports A1 and A2 to be connected to the external circuit through the main loop. In other embodiments, the energy storage valve sub-module shown in Fig. 2 can also be used for alternating current energy storage valve.

[0046] In some cases, in the field of high-voltage direct-current direct-hanging energy storage valve below 35kV, it is usually to adopt a double communication link cross-redundancy communication mode between a sub-module controller (SMC) and a valve base controller (VBC). In the field of ultra-high voltage (for example, above 1000kV) direct-current direct-hanging energy storage valve, due to the large number of sub-modules, if the double communication link redundancy communication mode is adopted between the sub-modules and the valve base controller, more communication media (such as optical fiber) is needed, so the single link connection mode of VBC-SMC-SMC-VBC is adopted, that is, the single link redundancy communication connection mode of VBC-SMC-SMC-VBC, as shown in Fig. 3.

[0047] In some cases, the VBC is used to provide control instructions of the power circuit to the to-be-tested sub-module control board 400, control the closing and opening of the IBGT, and monitor the issuance and feedback of instructions such as the power circuit, the battery module BT1, the bypass switch K1 and the bus switch K2 with the to-be-tested sub-module control board 400. In this embodiment, the valve base control unit 210 includes a VBC or simulates a VBC.

[0048] In some cases, the SMC communicates with the VBC and the adjacent SMC, and the SMC is used for temperature monitoring of the battery module BT1, monitoring of the instruction issuing and feedback of the IBGT in the power circuit, voltage conversion and monitoring of the power circuit, voltage detection of the filter capacitor C1, hardware out-of-limit monitoring, triggering and state monitoring of the bypass switch K1 and the bus switch K2, etc.

[0049] To this end, the embodiment of the present application provides a test system for a sub-module control board of an energy storage valve sub-module, which can simulate the VBC and the SMC to perform redundant communication, fault insertion and other cooperation logic on the sub-module control board of at least one energy storage valve sub-module, and complete the physical test of single-link redundant communication of the sub-module control board.

[0050] According to some embodiments of the present application, please continue to refer to FIG. 4, which shows a structural schematic diagram of a test system for a sub-module control board of an energy storage valve sub-module according to an embodiment of the present application. For ease of illustration, only the parts related to the present embodiment are shown, and the details are as follows:

[0051] The test system for the sub-module control board of the energy storage valve sub-module includes a host computer 100, a main test tool 200, a slave test tool 300 and a sub-module control board 400 to be tested. The slave test tool 300 is used to simulate the sub-module control board or includes a sub-module control unit 310. The main test tool 200 includes a valve base control unit 210. The main test tool 200 is connected with the host computer 100, the sub-module control board 400 to be tested and the slave test tool 300. The slave test tool 300 is connected with the sub-module control board 400 to be tested.

[0052] The host computer 100 is, for example, a personal computer (PC), which is used for issuing instructions of the entire test system for the sub-module control board of the energy storage valve sub-module, monitoring feedback, recording and saving test results, etc. The valve base control unit 210 is the main control device of the energy storage valve. The host computer 100 and the main test tool 200 can be connected through a network cable. The main test tool 200, the slave test tool 300 and the sub-module control board 400 to be tested are connected through optical cables, so as to improve the transmission speed and stability of signals.

[0053] The valve base control unit 210 includes a VBC or a simulated VBC. The sub-module control unit 310 includes an SMC or a simulated SMC, and is connected with the sub-module control board 400 to be tested and the valve base control unit 210 to realize single-link redundant communication.

[0054] For example, the test process is as follows:

[0055] Redundant communication function test: after checking the normal operation of the to-be-tested sub-module control board 400, first, disconnect the uplink communication between the to-be-tested sub-module control board 400 and the main test tool 200, and observe whether the status information of the to-be-tested sub-module control board 400 can still be received by the slave test tool 300 or the main test tool 200 through the slave test tool 300, including the disconnection alarm information of the communication with the valve base control unit 210 of the main test tool 200. Then, disconnect the downlink communication between the to-be-tested sub-module control board 400 and the main test tool 200, and send the valve base control unit 210 command signal through the slave test tool 300 or the main test tool 200 through the slave test tool 300, and observe whether the to-be-tested sub-module control board 400 can correctly receive the command information and execute it.

[0056] Fault insertion test of adjacent energy storage valve sub-modules: after checking the normal operation of the to-be-tested sub-module control board 400, the content of the data message sent by the sub-module control unit 310 of the slave test tool 300 can be changed through the upper computer 100, the fault in the communication message of the sub-module control unit 310 is set, the fault scene of the sub-module control unit 310 is simulated, and whether the to-be-tested sub-module control board 400 can output the alarm message according to the design logic after receiving the fault message and send it to the valve base control unit 210 of the main test tool 200 is observed through the upper computer 100 or the fault recording device. In some embodiments, the state sequence can also be designed to further simulate the bypass command information issued by the valve base control unit 210 of the main test tool 200 after receiving the fault message through the upper computer 100, and verify whether the to-be-tested sub-module control board 400 can send the bypass command to the sub-module control unit 310 after receiving the command.

[0057] In the technical scheme of the embodiment of the application, the instructions or data between the valve base control unit 210 of the main test tool 200 and the to-be-tested sub-module control board 400 and between the to-be-tested sub-module control board 400 and the sub-module control unit 310 of the slave test tool 300 are configured by the upper computer 100 through the main test tool 200 and the slave test tool 300, which realizes the physical testing of the to-be-tested sub-module control board 400 in the single-link redundant communication of VBC-SMC-SMC-VBC, and makes the testing of the energy storage valve sub-module control board system more sufficient.

[0058] According to some embodiments of the application, optionally, please continue to refer to FIG. 5, which shows the structure of the energy storage valve sub-module control board test system provided by an embodiment of the application. For the sake of convenience, only the parts related to the embodiment are shown, and the details are as follows:

[0059] The main test tool 200 comprises a power supply unit 220, a control unit 230 and a plurality of interface boards 240, the power supply unit 220 is connected with the control unit 230 and the plurality of interface boards 240, the control unit 230 is connected with the upper computer 100 and the plurality of interface boards 240, and the plurality of interface boards 240 are connected with the to-be-tested sub-module control board 400 and the slave test tool 300.

[0060] The control unit 230 comprises a central processing unit (CPU) for the management and control of the main test tool 200 or the slave test tool 300, and communicates with the external device through the interface board 240. The interface board 240 can also be integrated in a conventional interface tool, and has expandability and configurability. The plurality of interface boards 240 share the power supply unit 220 and the control unit 230, and do not need to develop additional hardware boards.

[0061] For example, each interface board 240 has a plurality of optical fiber conversion interfaces, and can send communication messages or modulate optical signals. Each optical fiber conversion interface can be configured into a specific function interface through a configuration file, such as a battery management controller (BMC) interface, a bypass switch interface, an isolation switch interface, a neighboring SMC redundant communication interface (connected with the sub-module control unit 310), etc.

[0062] In the technical scheme of the embodiment, the interface board 240 in the main test tool 200 can be integrated with the conventional interface tool, and is compatible for use, and has expandability and configurability. In some embodiments, the plurality of interface boards 240 share the power supply unit 220 and the control unit 230, and do not need to develop additional hardware boards.

[0063] According to some embodiments of the present application, optionally, please continue to refer to FIG. 6, which shows a structure schematic diagram of a test system of a sub-module control board of an energy storage valve according to an embodiment of the present application. For the convenience of description, only the parts related to the present embodiment are shown, and the details are as follows:

[0064] The control unit 230 comprises a valve base control unit 210, the interface board 240 comprises a valve base control unit interface P1, and the valve base control unit 210 is connected with the to-be-tested sub-module control board 400 through the valve base control unit interface P1.

[0065] It can be understood that the to-be-tested sub-module control board 400 also has a valve base control unit interface P11 connectable with the valve base control unit interface P1. For example, the valve base control unit interfaces P1 and P11 are optical fiber conversion interfaces.

[0066] In the technical solution of the embodiment of the application, the valve-based control unit 210 in the main test tool 200 is used to simulate the VBC, thereby saving the hardware cost. In other embodiments, the valve-based control unit 210 can directly use the valve-based control device entity of the energy storage valve.

[0067] According to some embodiments of the application, and optionally referring to FIG. 6, the control unit 230 further includes a first battery management unit 231, and the interface board 240 further includes a first battery management unit interface P2, and the first battery management unit 231 is connected to the to-be-tested sub-module control board 400 through the first battery management unit interface P2.

[0068] Generally, the battery management unit (BMC) cooperates with the SMC to monitor and manage the battery module BT1 of the energy storage valve sub-module; optionally, the battery management unit can also issue and feedback instructions of the bypass switch, the bus switch and the like in the energy storage valve sub-module. In the embodiment, in order to make the structure of the main test tool 200 simple, the first battery management unit 231 is used to realize the battery management unit in a simulation manner, and can provide necessary battery management signals and data for the normal operation of the to-be-tested sub-module control board 400.

[0069] It can be understood that the to-be-tested sub-module control board 400 also has a battery management unit interface P22 connectable with the first battery management unit interface P2. Exemplarily, the first battery management unit interface P2 and the battery management unit interface P22 are both fiber conversion interfaces.

[0070] In the technical solution of the embodiment of the application, the host computer 100 configures the instructions or data between the main test tool 200 and the first battery management unit 231 and between the to-be-tested sub-module control board 400 and the first battery management unit 231 through the main test tool 200, thereby providing necessary battery management signals and data for the normal operation of the to-be-tested sub-module control board 400, realizing the physical test of the to-be-tested sub-module control board 400 in the energy storage valve sub-module, and making the system test of the energy storage valve sub-module control board more sufficient.

[0071] According to some embodiments of the application, and optionally referring to FIG. 6, the control unit 230 further includes a bypass switch triggering and monitoring unit 232 and a bus switch triggering and monitoring unit 233, and the interface board 240 further includes a bypass switch interface P3 and a bus switch interface P4, the bypass switch triggering and monitoring unit 232 is connected to the to-be-tested sub-module control board 400 through the bypass switch interface P3, and the bus switch triggering and monitoring unit 233 is connected to the to-be-tested sub-module control board 400 through the bus switch interface P4.

[0072] Exemplarily, the to-be-tested sub-module control board 400 includes a bypass switch triggering and monitoring unit 401, a bus switch triggering and monitoring unit 402, a bypass switch interface P33 (communicatively connected with the bypass switch interface P3) and a bus switch interface P44. The bypass switch triggering and monitoring unit 232 is connected with the bypass switch interface P3. In the energy storage valve, the bypass switch triggering and monitoring unit 401 controls the bypass switch K1 in the energy storage valve sub-module through the bypass switch interface P33 and monitors the state of the bypass switch K1. The bus switch triggering and monitoring unit 402 controls the bus switch K2 in the energy storage valve sub-module through the bus switch interface P44 and monitors the state of the bus switch K2.

[0073] In the embodiment, the bypass switch interface P33 is communicatively connected with the bypass switch interface P3, and the bus switch interface P44 is communicatively connected with the bus switch interface P4. The main test tool 200 simulates the instructions and data for controlling and monitoring the state of the bypass switch K1 through the bypass switch triggering and monitoring unit 232, and simulates the instructions and data for controlling and monitoring the state of the bus switch K2 through the bus switch triggering and monitoring unit 233, so as to provide necessary switch signals and data for the normal operation of the to-be-tested sub-module control board 400.

[0074] In the technical scheme of the embodiment, the host computer 100 configures various signals and data necessary for the normal operation of the bypass switch and the bus switch of the to-be-tested sub-module control board 400 through the bypass switch triggering and monitoring unit and the bus switch triggering and monitoring unit of the main test tool 200, and configures various signals and data necessary for the actual interaction with the battery management control board through the battery management unit interface simulation, so as to provide necessary switch signals and data for the normal operation of the to-be-tested sub-module control board 400 and realize the physical test on the to-be-tested sub-module control board 400.

[0075] According to some embodiments of the present application, optionally, please continue to refer to FIG. 6, the interface board 240 further includes an adjacent sub-module control board interface P5, which is connected with the to-be-tested sub-module control board 400.

[0076] It can be understood that the to-be-tested sub-module control board 400 also has an adjacent sub-module control board interface P55 which can be connected with the adjacent sub-module control board interface P5. The to-be-tested sub-module control board 400 communicates with the sub-module control unit 310 in the slave test tool 300 through the main test tool 200 to perform communication test.

[0077] In the technical scheme of the embodiment, the number of tests on the to-be-tested sub-module control board 400 can be expanded, and a way of physically testing the to-be-tested sub-module control board 400 is provided.

[0078] According to some embodiments of the present application, please continue to refer to Figure 7, Figure 7 shows a structural schematic diagram of a sub-module control board test system of the energy storage valve according to an embodiment of the present application. For the convenience of description, only the parts related to the present embodiment are shown, and the details are described as follows:

[0079] The test tool 300 comprises a neighboring sub-module control board interface P6, which is connected with the sub-module control board 400 to be tested. The neighboring sub-module control board interface P6 is the neighboring SMC redundant communication interface described above, and is used to communicate with the sub-module control unit 310 in the test tool 300.

[0080] It can be understood that the sub-module control board 400 to be tested also has a neighboring sub-module control board interface P55 which can be connected with the neighboring sub-module control board interface P6. In some embodiments, the neighboring sub-module control board interface P55 and the valve base control unit interface P11 are the same interface.

[0081] In the technical solution of the present embodiment, the manner of configuring the sub-module control unit 310 in the test tool 300 is provided, so that the number of tests of the sub-module control board 400 to be tested can be expanded, and another manner of physically testing the sub-module control board 400 to be tested is also provided.

[0082] According to some embodiments of the present application, please continue to refer to Figure 7, the test tool 300 further comprises a power circuit unit 320, which comprises a power circuit or a circuit board for simulating a power circuit, and is connected with the sub-module control board 400 to be tested.

[0083] The power circuit unit 320 of the test tool 300 is, for example, a power circuit with an energy storage valve sub-module, or a circuit board capable of simulating the working principle of the power circuit of the energy storage valve sub-module. As an example, another sub-module control board can be used as the test tool 300 to simulate the working principle of the power circuit of the energy storage valve sub-module, so as to facilitate the connection with the sub-module control board 400 to be tested, because the interfaces of each sub-module control board correspond to each other.

[0084] The power circuit comprises an upper switch tube T1 and a lower switch tube T2 connected in series between the positive bus and the negative bus, as shown in Figure 2. Therefore, the test tool 300 has two switch tube interfaces P7.1 and P7.2 connected with the switch tube T1 and the lower switch tube T2, respectively, and connected with the power circuit unit 320. Correspondingly, the sub-module control board 400 to be tested also has driving interfaces P7.11 and P7.22 which can be connected with the switch tube interfaces P7.1 and P7.2, respectively. The power circuit unit 320 receives the trigger signal of the sub-module control board 400 to be tested through the switch tube interfaces P7.1 and P7.2, and feeds back the switch state signal.

[0085] The technical solution of the embodiment of the application provides the object of triggering control and feedback detection of the power circuit for the to-be-tested sub-module control board 400 from the power circuit unit 320 of the slave test tool 300, can provide the necessary triggering and detection object for the normal operation of the to-be-tested sub-module control board 400, and realizes physical testing of the to-be-tested sub-module control board 400.

[0086] According to some embodiments of the application, optionally, please continue to refer to FIG. 7, the slave test tool 300 further includes a second battery management unit 330 and a second battery management unit interface P8, the second battery management unit 330 is connected with the to-be-tested sub-module control board 400 through the second battery management unit interface P8.

[0087] It can be understood that the to-be-tested sub-module control board 400 also has a battery management unit interface P88 which can be connected with the second battery management unit interface P8. The battery management unit interface P88 and the battery management unit interface P22 can be the same interface; when they are different interfaces, they can be used to expand multiple sub-module control boards 400 for testing.

[0088] The battery management unit is arranged in the slave test tool 300, the host computer 100 can configure the instructions or data between the host test tool 200 and the slave test tool 300, between the second battery management unit 330 and the to-be-tested sub-module control board 400, and between the to-be-tested sub-module control board 400 and the second battery management unit 330 through the host test tool 200 to the slave test tool 300, and can provide the necessary battery management signal and data for the normal operation of the to-be-tested sub-module control board 400, and realize physical testing of the to-be-tested sub-module control board 400 in the energy storage valve sub-module, so that the energy storage valve sub-module control board system testing is more sufficient.

[0089] According to some embodiments of the application, optionally, please continue to refer to FIG. 8, FIG. 8 shows a structure schematic diagram of an energy storage valve sub-module control board testing system provided by an embodiment of the application, wherein only parts related to the embodiment are shown for the convenience of description, and the details are as follows:

[0090] The energy storage valve sub-module control board testing system further includes a battery management control board 500, and the battery management control board 500 is connected with the to-be-tested sub-module control board 400.

[0091] The battery management control board 500 is connected with the battery management unit interface P22 of the to-be-tested sub-module control board 400. The battery management control board 500 can be connected with the host test tool 200 or the slave test tool 300 (indicated by a dashed line in FIG. 8), and the host computer 100 configures the battery management control board 500 to transmit to the to-be-tested sub-module control board 400 through the host test tool 200 or the slave test tool 300, so as to provide the necessary battery management signal and data for the normal operation of the to-be-tested sub-module control board 400.

[0092] The technical scheme of the embodiment of the application additionally provides a battery management control board 500 to provide necessary battery management signals and data for normal operation of the to-be-tested sub-module control board 400, and realizes physical testing of the to-be-tested sub-module control board 400 in the energy storage valve sub-module, so that the energy storage valve sub-module control board system testing is more sufficient.

[0093] According to some embodiments of the application, the construction process of the energy storage valve sub-module control board testing system is as follows:

[0094] The test environment is constructed, the test environment is constructed, the interfaces of the to-be-tested sample to-be-tested sub-module control board 400 are connected with the master test tool 200 and the slave test tool 300, and then the master test tool 200 and the slave test tool 300 are started.

[0095] After the master test tool 200 and the slave test tool 300 are powered on, the initialization process loads the configuration XML file and the host computer 100 communication point table XML, and assigns a default value to the output interface of the master test tool 200. After the to-be-tested sub-module control board 400 receives the default value, fault clearing can be realized, and the state of the to-be-tested sub-module control board 400 is monitored in real time by the host computer 100.

[0096] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application, and they should be covered in the scope of the claims and the specification of the application. Especially, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An energy storage valve sub-module control board test system, wherein, The system comprises a host computer, a main test fixture and a slave test fixture, the slave test fixture comprises a sub-module control unit, the main test fixture comprises a valve base control unit, the main test fixture is connected with the host computer, a to-be-tested sub-module control board and the slave test fixture, and the slave test fixture is connected with the to-be-tested sub-module control board.

2. The energy storage valve sub-module control board test system of claim 1, wherein, The main test fixture comprises a power supply unit, a control unit and a plurality of interface boards, the power supply unit is connected with the control unit and the plurality of interface boards, the control unit is connected with the host computer and the plurality of interface boards, and the plurality of interface boards are connected with the to-be-tested sub-module control board and the slave test fixture.

3. The energy storage valve sub-module control board test system of claim 2, wherein, The control unit comprises the valve base control unit, and the interface boards comprise valve base control unit interfaces, the valve base control unit is connected with the to-be-tested sub-module control board through the valve base control unit interfaces.

4. The energy storage valve sub-module control board test system of claim 2 or 3, wherein, The control unit further comprises a first battery management unit, the interface boards further comprise first battery management unit interfaces, and the first battery management unit is connected with the to-be-tested sub-module control board through the first battery management unit interfaces.

5. The energy storage valve sub-module control board test system of any one of claims 1-4, wherein, The control unit further comprises a bypass switch triggering and monitoring unit and a bus switch triggering and monitoring unit, the interface boards further comprise a bypass switch interface and a bus switch interface, the bypass switch triggering and monitoring unit is connected with the to-be-tested sub-module control board through the bypass switch interface, and the bus switch triggering and monitoring unit is connected with the to-be-tested sub-module control board through the bus switch interface.

6. The energy storage valve sub-module control board test system of any one of claims 2-5, wherein, The interface boards further comprise adjacent sub-module control board interfaces, and the adjacent sub-module control board interfaces are connected with the to-be-tested sub-module control board.

7. The energy storage valve sub-module control board test system of any one of claims 1 to 6, wherein, The slave test fixture comprises adjacent sub-module control board interfaces, and the adjacent sub-module control board interfaces are connected with the to-be-tested sub-module control board.

8. The energy storage valve sub-module control board test system of claim 7, wherein, The slave test fixture further comprises a power circuit unit, the power circuit unit comprises a power circuit or a power circuit used for simulation, and the power circuit unit is connected with the to-be-tested sub-module control board.

9. The energy storage valve sub-module control board test system of any one of claims 1-8, wherein, The system further comprises a second battery management unit and a second battery management unit interface, and the second battery management unit is connected with the to-be-tested sub-module control board through the second battery management unit interface.

10. The energy storage valve sub-module control board test system of any one of claims 1-9, wherein, The system further comprises a battery management control board, and the battery management control board is connected with the to-be-tested sub-module control board.

Images