Multifunctional portable electrochemical energy storage system testing device

Abstract

The utility model discloses a multifunctional portable electrochemical energy storage system testing device which comprises a testing box, a power source module interface, a communication module interface, an input and output module interface and a man-machine interaction module are arranged on the testing box, and a function module is arranged in the testing box. The function module comprises a control module, a simulation PCS module, a simulation BMS module, a simulation EMS module and an automatic test module. A plurality of communication service lines are also arranged in the test box and are used for completing data interaction among the power source module interface, the communication module interface, the input and output module interface, the man-machine interaction module, the control module, the simulation PCS module, the simulation BMS module, the simulation EMS module and the automatic test module; the method is suitable for debugging energy storage equipment such as a battery energy storage converter and cooperative control, facilitates improvement of the debugging test efficiency and standardization of the debugging process, and can also be used for later equipment system operation and maintenance, fault hidden danger troubleshooting and other work development.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy storage, and particularly relates to a multifunctional portable electrochemical energy storage system testing device. Background Art

[0002] Safety issues have gradually become the primary issue in the construction and large-scale application of lithium battery energy storage power stations. Relevant accident investigation reports show that incomplete or untimely information sharing between battery management systems (BMS), energy storage converters (PCS), energy management systems (EMS) and coordination controllers, improper protection configuration and coordination between PCS and batteries, battery anomalies after PCS fault repair, conflicts between measurement devices and management systems, and other system management issues are one of the important reasons why electrochemical energy storage system failures cannot be timely and effectively controlled and evolve into accidents. Therefore, it is necessary to provide a test device to test and verify the main equipment of the electrochemical energy storage system, such as energy storage converters and coordination controllers. Utility Model Content

[0003] The utility model provides a multifunctional portable electrochemical energy storage system testing device to solve the problem of incomplete or untimely information sharing among a battery management system (BMS), a power storage converter (PCS), an energy management system (EMS) and a coordination controller.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] A multifunctional portable electrochemical energy storage system testing device comprises a test box, wherein the test box is provided with a power source module interface, a communication module interface, an input / output module interface and a human-computer interaction module, wherein functional modules are arranged in the test box, wherein the functional modules include: a control module, a simulation PCS module, a simulation BMS module, a simulation EMS module and an automatic test module; wherein a plurality of communication service lines are also arranged in the test box, wherein the plurality of communication service lines are used to complete data interaction among the power source module interface, the communication module interface, the input / output module interface, the human-computer interaction module, the control module, the simulation PCS module, the simulation BMS module, the simulation EMS module and the automatic test module.

[0006] Furthermore, the power source module interface includes: a plurality of AC voltage interfaces, a plurality of AC current interfaces and a DC voltage interface.

[0007] Furthermore, the communication module interface includes: a plurality of RJ45 network ports, a plurality of optical ports, a plurality of CAN ports and an RS485 serial port.

[0008] Furthermore, the interface of the digital input and output module includes: a plurality of digital quantity acquisition interfaces and a plurality of contact signal output interfaces.

[0009] Furthermore, the human-computer interaction module includes: a display screen, a peripheral interface and a printer interface, the peripheral interface includes: a mouse interface and a keyboard interface; the display screen is a touch display screen.

[0010] Compared with the prior art, the utility model has the following technical effects:

[0011] 1. The utility model provides a multifunctional portable electrochemical energy storage system testing device, which is suitable for debugging energy storage equipment such as battery energy storage inverters and cooperative control, which helps to improve the debugging test efficiency and standardize the debugging process. It can also be used for later equipment system operation and maintenance, fault hidden danger detection and other work. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the external structure of a multifunctional portable electrochemical energy storage system testing device described in the utility model;

[0013] Figure 2 This is a schematic diagram of the interface of a multifunctional portable electrochemical energy storage system testing device described in the utility model;

[0014] Figure 3 The utility model is a multifunctional portable electrochemical energy storage system testing device Figure 2 A partial enlarged view of the part marked with A;

[0015] Figure 4 The utility model is a multifunctional portable electrochemical energy storage system testing device Figure 2 A partial enlarged view of the part marked with B;

[0016] Figure 5 It is a schematic diagram of cooperative control test information flow of a multifunctional portable electrochemical energy storage system test device described in the utility model.

[0017] In the figure: 1. Power source module interface; 11. AC voltage interface; 12. AC current interface; 13. DC voltage interface; 2. Communication module interface; 21. RJ45 network port; 22. Optical port; 23. CAN port; 24. RS485 serial port; 3. Input and output module interface; 31. Digital quantity acquisition interface; 32. Contact signal output interface; 4. Human-computer interaction module; 41. Display screen; 42. Peripheral interface; 43. Printer interface. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the application and with reference to the accompanying drawings.

[0019] The utility model discloses a multifunctional portable electrochemical energy storage system testing device, such as Figure 1-4 As shown, it includes a test box, which is provided with a power source module interface 1, a communication module interface 2, an input and output module interface 3 and a human-computer interaction module 4, and functional modules are arranged in the test box, and the functional modules include: a control module, a simulation PCS module, a simulation BMS module, a simulation EMS module and an automatic test module; the test box is also provided with a plurality of communication service lines, and the plurality of communication service lines are used to complete data interaction among the power source module interface 1, the communication module interface 2, the input and output module interface 3, the human-computer interaction module 4, the control module, the simulation PCS module, the simulation BMS module, the simulation EMS module and the automatic test module.

[0020] The control module is used to control the operation of the simulation PCS module, the simulation BMS module, the simulation EMS module and the automatic test module. The control module is electrically connected to the human-computer interaction module 4. The user can control the operation of the controller and input corresponding parameters through the human-computer interaction module;

[0021] The PCS simulation module can realize stable operation simulation and fault simulation of PCS by parsing the icd file of PCS device and loading PCS device information;

[0022] The simulation BMS module simulates the operation status of the BMS by parsing the BMS communication point table, including stable operation simulation and fault simulation;

[0023] The simulation EMS module is used to realize the simulation energy storage EMS and the simulation cooperative control GOOSE control function. The simulation energy storage EMS includes the following steps: the test device imports the model file, wherein the 61850 simulation uses the scd or icd file, and the 104 simulation uses the txt point table file. The 61850 simulation parses the data control blocks and communication parameters in the model file to establish the mms communication; the 104 simulation parses the four remote information, manually configures the communication parameters, establishes the 104 communication, and realizes the IEC61850 / IEC104 client function;

[0024] The simulation cooperative control GOOSE control function includes the following steps: importing scd files, automatically parsing gocb control block information, such as mac address, gocbref and other communication parameters, and automatically associating signal points, and flexibly setting active power setting values ​​and reactive power setting values, and sending them to PCS equipment.

[0025] The automatic testing module can automatically issue test instructions, record test data and generate test reports based on the edited test cases.

[0026] like Figure 2-4As shown, the power source module interface 1 includes: a plurality of AC voltage interfaces 11 , a plurality of AC current interfaces 12 and a DC voltage interface 13 .

[0027] In a specific embodiment, the power source module 1 is powered by AC220V or AC110V, and can provide 6 0-280V AC voltage outputs, 6 0-30A AC current outputs, and 1 0-1500V DC voltage output.

[0028] like Figure 2-4 As shown, the communication module interface 2 includes: a plurality of RJ45 network ports 21 , a plurality of optical ports 22 , a plurality of CAN ports 23 and an RS485 serial port 24 .

[0029] In a specific implementation, the communication module interface 2 can provide 6 RJ45 network ports, 2 optical ports, 2 CAN ports, and 1 RS485 serial port, and can communicate with energy storage coordination controllers, PCS, BMS and other equipment.

[0030] like Figure 2-4 As shown, the digital input and output module interface 3 includes: a plurality of digital quantity acquisition interfaces 31 and a plurality of contact signal output interfaces 32 .

[0031] In a specific implementation, the input and output module interface 3 provides 4 contact signal output interfaces 32 and 10 digital quantity acquisition interfaces 31, and the digital quantity acquisition interface 31 supports DC220V strong electricity.

[0032] like Figure 2-4 As shown, the human-computer interaction module 4 includes: a display screen 41, an external device interface 42 and a printer interface 43. The external device interface 42 includes: a mouse interface and a keyboard interface; the display screen 41 is a touch screen. The user can connect the mouse and keyboard through the touch screen or the external device interface 42 to complete configuration operations such as editing, modifying, saving, and importing the test case, and complete the parameter setting of the simulation module.

[0033] like Figure 5 As shown, in a specific embodiment, the test device of the utility model is used for a method of sampling test of an energy storage coordination controller device and a power control strategy test, comprising the following steps:

[0034] The AC voltage interface 11 in the power source module interface 3 is connected to the bus voltage acquisition terminal of the cooperative control device;

[0035] The AC current interface 12 in the power source module interface 3 is connected to the grid-connected line current collection terminal of the cooperative control device;

[0036] The contact signal output interface 32 is connected to the grid-connected switch position, source grid load action, and transient control input acquisition terminal of the cooperative control device;

[0037] A digital quantity acquisition interface 31, for collecting abnormal operation signals of the cooperative control device;

[0038] The test device imports the SCD configuration file;

[0039] The power source AC current, voltage channel and addition sequence are configured through the human-computer interaction module to provide AC sampling input for the cooperative control, which can be input through a touch screen or an external keyboard and mouse;

[0040] Configure the simulated EMS sampling channel to collect AC current and voltage samples sent by the cooperative control;

[0041] Configure sampling error limit value;

[0042] Configure the power control strategy launch and exit sequence and power setting value;

[0043] Save the test case;

[0044] Turn on automatic testing.

[0045] After the test sequence is completed, the automatic test module will output a sampling test report based on the set sampling error limit value and the retrieved sampling value; output a power control strategy test report based on the set control strategy sequence and power setting value, and the retrieved simulated PCS output power value. The test report can be displayed on the display screen 41 or printed on a printer connected to the printer interface 43.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A multifunctional portable electrochemical energy storage system testing device, comprising a test box, characterized in that: The test box is provided with a power source module interface (1), a communication module interface (2), an input / output module interface (3) and a human-computer interaction module (4); the test box is provided with a functional module, the functional module comprising: a control module, a simulation PCS module, a simulation BMS module, a simulation EMS module and an automatic test module; the test box is also provided with a plurality of communication service lines, the plurality of communication service lines being used to complete data interaction among the power source module interface (1), the communication module interface (2), the input / output module interface (3), the human-computer interaction module (4), the control module, the simulation PCS module, the simulation BMS module, the simulation EMS module and the automatic test module.

2. A multifunctional portable electrochemical energy storage system testing device according to claim 1, characterized in that: The power source module interface (1) comprises: a plurality of alternating current voltage interfaces (11), a plurality of alternating current interfaces (12) and a direct current voltage interface (13).

3. A multifunctional portable electrochemical energy storage system testing device according to claim 1, characterized in that: The communication module interface (2) comprises: a plurality of RJ45 network ports (21), a plurality of optical ports (22), a plurality of CAN ports (23) and an RS485 serial port (24).

4. A multifunctional portable electrochemical energy storage system testing device according to claim 1, characterized in that: The binary input and output module interface (3) comprises: a plurality of digital quantity acquisition interfaces (31) and a plurality of contact signal output interfaces (32).

5. A multifunctional portable electrochemical energy storage system testing device according to claim 1, characterized in that: The human-computer interaction module (4) comprises: a display screen (41), a peripheral interface (42) and a printer interface (43); the peripheral interface (42) comprises: a mouse interface and a keyboard interface; the display screen (41) is a touch display screen.

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