Battery management system development and test equipment

Abstract

Embodiments of the present disclosure provide a battery management system development and test device, which is applied to the technical field of general test devices. The device comprises a front operation box and a rear bearing box. The front operation box comprises a first operation box, a second operation box and an upper operation table. The first operation box is a fitting box, and at least one side of the box body is provided with a joint debugging interface. The second operation box is provided with a resistance box and an industrial computer. The upper operation table is arranged above the first operation box and the second operation box. The rear bearing box is provided with side plates on both sides of the base and a rear plate at the rear. A device table is arranged in the area enclosed by the side plates and the rear plate. The device table is provided with a distribution box, a battery pack assembly and a charger. In this way, the problem of single function of the traditional device and the inability to joint debugging can be solved. The device can support the rapid replacement of battery packs of different voltage platforms and the expansion of future high-power test requirements, and meet the development test and systematic verification requirements of the battery management system under complex working conditions.

Description

Technical Field

[0001] This disclosure relates to the field of general testing equipment technology, and specifically to a battery management system development and testing equipment. Background Technology

[0002] The performance and reliability of battery management systems are crucial to the operation of equipment, especially for new energy vehicles, as they directly affect the vehicle's range, energy efficiency, charging safety, and overall vehicle power performance. Existing battery management system development and testing equipment is scarce, and most of it has limited functions, cannot be integrated with other equipment, lacks good heat dissipation design and convenient wiring planning, etc. The stability and lifespan of the equipment are short, which cannot meet the development and testing needs of battery management systems and the systematic verification requirements under complex operating conditions. Summary of the Invention

[0003] This disclosure provides a battery management system development and testing device, the device comprising:

[0004] The front control box and the rear support box; the front control box includes a first control box, a second control box and an upper control platform; wherein, the first control box is an accessory box, and the box body is provided with a joint debugging interface on at least one side; the second control box is equipped with a resistor box and an industrial control computer; the upper control platform is located above the first control box and the second control box; the rear support box has side plates on both sides of the base and a rear plate at the rear, and a component platform is provided in the area enclosed by the side plates and the rear plate, and a junction box, a battery pack assembly and a charger are provided on the component platform.

[0005] Preferably, the bottom plate of the front control box is provided with bottom wheel pads.

[0006] Preferably, the first operating box has a door on at least one side, and at least one side has a charging board hole, a wiring hole and a heat dissipation hole; a power supply battery is installed inside the box.

[0007] Preferably, the second operating box has a door, wiring hole and heat dissipation hole on at least one side.

[0008] Preferably, the upper operating platform is provided with an inclined opening for supporting the teaching board.

[0009] Preferably, the bottom plate of the rear load-bearing box is provided with reinforcing ribs and bottom wheel pads.

[0010] Preferably, a decorative panel is provided on the outer side of the side panel, and a light strip is provided in the decorative panel.

[0011] Preferably, the rear panel has a rear door.

[0012] Preferably, the battery pack assembly is placed in an assembly box, which has a transparent window with a maintenance switch and a testing interface; wherein, the battery pack assembly includes: a battery pack, a DC contactor group, a circuit adapter board, a resistor, a current sensor, a charging fuse, and a heat dissipation structure.

[0013] Preferably, the device further includes a display component disposed on the upper surface of the rear panel.

[0014] In this invention, the main testing area is formed by integrating the junction box, battery pack assembly, and charger on the device platform. The main operating area is formed by placing the operating platform, resistor box, and industrial control computer in the front operating box. This not only facilitates actual operation but also reduces electromagnetic interference between the two functional areas and achieves better heat dissipation. At the same time, the first operating box is equipped with a debugging interface for joint debugging with other equipment, which can meet the needs of joint debugging development and testing. It also has an accessory storage box, saving a lot of operating space to better carry out battery management system development and testing operations.

[0015] It should be understood that the description in the utility model description section is not intended to limit the key or essential features of the embodiments of this disclosure, nor is it intended to restrict the scope of this disclosure. Other features of this disclosure will become readily apparent from the following description. Attached Figure Description

[0016] The above and other features, advantages, and aspects of the embodiments of this disclosure will become more apparent from the accompanying drawings and the following detailed description. The drawings are provided for a better understanding of the invention and are not intended to limit the scope of this disclosure. In the drawings, the same or similar reference numerals denote the same or similar elements, wherein:

[0017] Figures 1-3 A perspective view of a battery management system development and testing device provided in an embodiment of this disclosure is shown;

[0018] Figure 4 A top view of a battery management system development and testing apparatus provided in an embodiment of this disclosure is shown;

[0019] Figure 5 A bottom view of a battery management system development and testing device provided in an embodiment of this disclosure is shown;

[0020] Figure 6 An example diagram of a maintenance switch and testing interface provided in an embodiment of this disclosure is shown;

[0021] Figure 7 An example diagram of a teaching board provided in an embodiment of this disclosure is shown;

[0022] Figures 8-9A cross-sectional view of a battery management system development and testing device provided in an embodiment of this disclosure is shown;

[0023] Figures 10-12 An example diagram of the debugging equipment provided in an embodiment of this disclosure is shown.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1 Front control box, 11 First control box, 111 12V power supply battery, 12 Second control box, 121 Resistor box, 122 Industrial computer, 13 Upper control panel; 2 Rear support box, 21 Side panel, 211 Decorative panel, 22 Rear panel; 3 Component table; 4 Junction box; 5 Battery pack assembly; 6 Charger; 7 Component box; 8 Maintenance switch; 9 Display assembly. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0027] Furthermore, the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0028] In response to the problems mentioned in the background art, this disclosure provides a battery management system development and testing device.

[0029] Specifically, the equipment includes: a front operating box 1 and a rear carrying box 2; the front operating box 1 includes a first operating box 11, a second operating box 12 and an upper operating platform 13; wherein, the first operating box 11 is an accessory box, and at least one side of the box is provided with a joint debugging interface; the second operating box 12 is equipped with a resistor box 121 and an industrial control computer 122; the upper operating platform 13 is located above the first operating box 11 and the second operating box 12; the rear carrying box 2 has side plates 21 on both sides of the base and a rear plate 22 at the rear, and a component platform 3 is provided in the area enclosed by the side plates 21 and the rear plate 22, and a junction box 4, a battery pack assembly 5 and a charger 6 are provided on the component platform 3.

[0030] This approach can solve the problems of traditional equipment having limited functionality and being unable to be integrated for testing, improve the stability of the equipment and the accuracy of data acquisition in high-temperature environments, support the rapid replacement of battery packs with different voltage platforms and the expansion of future high-power testing needs, and meet the development, testing and systematic verification requirements of battery management systems under complex operating conditions.

[0031] The above content will be described more comprehensively below with reference to specific embodiments and accompanying drawings.

[0032] Figures 1-3 A perspective view of a battery management system development and testing device provided in an embodiment of this disclosure is shown; as follows: Figure 1-3 As shown, the equipment can be divided into a front control box 1 and a rear support box 2. The front control box 1 includes a first control box 11, a second control box 12, and an upper control platform 13, wherein:

[0033] The first operating box 11 is an accessory box. The box body has a debugging interface on at least one side and has a charging board hole, a wiring hole and a heat dissipation hole. At least one side is equipped with a box door. It can be understood that the box door, the debugging interface and the holes can be set on one side or distributed on different sides. This disclosure does not make specific restrictions here.

[0034] Furthermore, as an accessory box, the first operating box 11 can be equipped with a 12V power supply battery 111 to power the teaching board, or other power supply accessories can be added. When no accessories are added, it can also be used as a regular storage box, saving operating space.

[0035] Furthermore, the second operating box 12 has a box door, wiring holes and heat dissipation holes on at least one side. It is understood that the box door, the debugging interface and each opening can be set on one side or distributed on different sides. This disclosure does not make specific restrictions here. The box contains a resistor box 121 and an industrial control computer 122.

[0036] Furthermore, the upper operating platform 13 is located above the first operating box 11 and the second operating box 12, and has an inclined opening for supporting the teaching board.

[0037] Figure 4 A top view of a battery management system development and testing apparatus provided in an embodiment of this disclosure is shown.

[0038] like Figure 1-4 As shown, the rear carrier box 2 has paired side plates 21 on both sides of its base, and a rear plate 22 at the rear. A component platform 3 is located within the area enclosed by the paired side plates 21 and the rear plate 22. The component platform 3 houses a junction box 4, a battery pack assembly 5, and a charger 6.

[0039] A decorative panel 211 is provided on the outer side of the side panel 21, and a light strip is provided in the decorative panel 211. The light strip lights up or flashes when the equipment is running.

[0040] A rear door is provided on the rear panel 22 for easy replacement / repair of related components; a display component 9 can be optionally installed on the rear door frame.

[0041] Junction box 4, also known as the high-voltage distribution box, distributes the electrical energy delivered by the battery pack to the motor controller, air conditioner compressor, PTC heater, etc. In addition, during AC slow charging, the charging current also flows into the power battery through the junction box to charge it. The junction box is equipped with a fuse for each of the electric compressor circuit, PTC heater circuit, and AC slow charging circuit. When the circuit current exceeds the first set threshold, the fuse will blow within the first set time; when the circuit current exceeds the second set threshold, the fuse will blow within the second set time, protecting the relevant circuit.

[0042] The battery pack assembly 5 is the core component of the equipment. It is placed in the assembly box 7. The assembly box 7 is provided with a transparent window, and the transparent window is provided with a maintenance switch 8 and a testing interface. Figure 6 This illustration shows an example diagram of a maintenance switch and testing interface provided in an embodiment of this disclosure; as shown... Figure 6 As shown, pressing the maintenance switch to pop it up will disconnect the circuit and open the cover for testing and maintenance. The maintenance switch is equipped with different function testing interfaces around it, which can be used to collect battery voltage, detect battery temperature and current, etc. when the equipment is running.

[0043] Furthermore, the battery pack assembly 5 includes: a battery pack, a DC contactor group, a circuit adapter board, resistors, current sensors, charging fuses, and heat dissipation structures, etc.

[0044] The function of charger 6 is to convert the AC power coming into the charging pile into DC power, which is the so-called AC-DC conversion. The reason why AC-DC conversion is needed is that some batteries, such as power batteries, only support DC charging. In other words, the charging power is directly determined by the power of charger 6.

[0045] Figure 5 A bottom view of a battery management system development and testing device provided in an embodiment of this disclosure is shown; as follows: Figure 5 As shown, the bottom plate of the front operating box 1 is provided with bottom wheel shims, and the bottom plate of the rear bearing box 2 is provided with reinforcing ribs and bottom wheel shims; the bottom wheel shims can be used to assemble the bottom moving wheels, and the reinforcing ribs are used to increase the structural strength.

[0046] It is understood that the above-mentioned teaching board is electrically connected to the battery pack assembly 5.

[0047] Figure 7 An example diagram of a teaching board provided in an embodiment of this disclosure is shown; as follows: Figure 7 As shown, this exemplary teaching board is a thermal management teaching board in a battery management system, including a heat flow simulation display area and a mode adjustment area. The heat flow simulation display area includes three modes of cooling and heating: air cooling + PTC heating mode (mode 1), water cooling and heating mode (mode 2), and air conditioning cooling and PTC heating mode (mode 3). The mode adjustment area at the bottom includes a battery temperature display screen (simulated temperature), a temperature simulation knob, and a mode switch. The temperature simulation knob can simulate a temperature range of -30 to 60 degrees Celsius. When conducting research on battery thermal management functions, different modes are switched using the mode switch knob. When the knob corresponds to 0, it means the mode is off. Rotating the mode switch on the panel to modes 1-3 corresponds to the aforementioned modes 1, 2, and 3, respectively.

[0048] Figures 8-9 A cross-sectional view of a battery management system development and testing device provided in an embodiment of this disclosure is shown; as follows: Figures 8-9 As shown, a 12V power supply battery 111 can be optionally installed in the accessory box, and a display component 9 can be optionally installed on the upper surface of the rear panel.

[0049] It is understandable that the display component 9 is electrically connected to the battery pack component 5, and can display real-time battery information, simulated conditions, etc.

[0050] It should be noted that the battery management system development and testing equipment provided in this disclosure has different specifications such as 24V / 48V / 96V / 144V in practice.

[0051] For example, taking a 48V battery management system development and testing equipment as an example, the 48V equipment does not have a separate 12V power supply battery. The 12V power supply of the teaching board is provided by a switching power supply. The accessory box is used as a storage box, with wiring boards and heat dissipation holes on the side. The wiring boards can have power connection ports, debugging ports, and wiring holes. The second operation box carries a resistor box and an industrial control computer. The side of the box facing the rear operation table has a door with wiring holes. Heat dissipation holes are also provided on the outside of the box. The rear operation table carries a junction box, a 48V battery pack assembly, and a charger. The battery management system monitors and manages the junction box, the 48V battery pack assembly, and the charger, mainly detecting the individual battery voltage, total voltage, total current, and temperature. It can also complete the corresponding relay control through I / O status settings, communicate with the outside through the CAN bus interface, and complete charging detection through the charging interface. The battery management system can use CAN communication with other devices.

[0052] In this example, the use of a switching power supply simplifies the design, reduces production costs, and is suitable for low-voltage, low-power testing scenarios.

[0053] It is understandable that when the equipment specifications are 96V / 144V, an additional 12V power supply battery is set in the accessory box. The teaching board is powered by the 12V power supply battery. The 12V battery isolates the high voltage risk, ensures power supply stability, and adapts to high voltage and high reliability requirements.

[0054] Figures 10-12 An example diagram of the debugging equipment provided in this disclosure is shown; as follows: Figures 10-11 As shown, the debugging equipment is a motor control system development and testing equipment. A debugging port is provided on the back of the equipment's operating console to facilitate debugging and testing with the battery management system development and testing equipment.

[0055] like Figure 12 As shown, this joint debugging equipment is a vehicle control system development and testing equipment. The left side of the cover plate of the equipment is equipped with a joint debugging interface to conduct joint debugging tests with the battery management system development and testing equipment and the motor control system development and testing equipment.

[0056] Specifically, the devices are connected via their interface to enable coordinated operation, and synchronous communication is possible during coordinated operation. Furthermore, the battery management system supplies power to the motor under test in the motor control system, and the vehicle control system sends various control commands to the battery management system and motor control system to simulate different operating conditions. At the same time, the status information of the battery management system and motor control system under each operating condition is acquired in real time and displayed on the industrial control computer interface. This enables teaching research, development and testing of the three-electric system (battery, motor, and electronic control system).

[0057] It is understandable that each device can operate independently without being connected to the joint debugging line.

[0058] According to the embodiments of this disclosure, the following technical effects are achieved:

[0059] 1. Versatile functionality: It can be developed and tested as a standalone device, or connected with other devices for joint development and testing, taking into account both standalone functional development and verification and system-level testing.

[0060] 2. The supported equipment can be flexibly set / replaced; it supports quick replacement of different battery packs such as 24V / 48V / 96V / 144V, which improves the flexibility and practicality of the equipment.

[0061] 3. The functional areas are independent, each with its own heat dissipation structure and convenient wiring planning, which can effectively improve the stability of the equipment and provide a more convenient scenario-based practical platform for teaching and research.

[0062] It should be noted that the specific embodiments described above do not constitute a limitation on the scope of protection of this disclosure. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A battery management system development and testing device, characterized in that, The device includes: Front control box (1) and rear load box (2); The front control box (1) includes a first control box (11), a second control box (12), and an upper control platform (13); wherein, the first control box (11) is an accessory box, and a joint debugging interface is provided on at least one side of the box body; the second control box (12) is equipped with a resistor box (121) and an industrial control computer (122); the upper control platform (13) is located above the first control box (11) and the second control box (12); The rear carrier box (2) has side plates (21) on both sides of the base and a rear plate (22) at the rear. The area enclosed by the side plates (21) and the rear plate (22) is provided with a device platform (3). The device platform (3) is provided with a junction box (4), a battery pack assembly (5) and a charger (6).

2. The device according to claim 1, characterized in that, The bottom plate of the front operation box (1) is equipped with bottom wheel pads.

3. The device according to claim 1, characterized in that, The first operating box (11) has a door installed on at least one side of the box body, and a charging board hole, a wiring hole and a heat dissipation hole are opened on at least one side; a power supply battery (111) is installed inside the box.

4. The device according to claim 1, characterized in that, The second operating box (12) has a box door, wiring hole and heat dissipation hole on at least one side.

5. The device according to claim 1, characterized in that, The upper operating platform (13) is provided with an inclined opening for supporting the teaching board.

6. The device according to claim 3, characterized in that, The bottom plate of the rear bearing box (2) is provided with reinforcing ribs and bottom wheel pads.

7. The device according to claim 1, characterized in that, A decorative panel (211) is provided on the outer side of the side panel (21), and a light strip is provided in the decorative panel (211).

8. The device according to claim 1, characterized in that, The rear panel (22) has a rear door.

9. The device according to claim 1, characterized in that, The battery pack assembly (5) is placed in the assembly box (7), the assembly box (7) is provided with a transparent window, and the transparent window is provided with a maintenance switch (8) and a detection interface; wherein, the battery pack assembly (5) includes: a battery pack, a DC contactor group, a circuit adapter board, a resistor, a current sensor, a charging fuse and a heat dissipation structure.

10. The device according to claim 1, characterized in that, The device also includes a display component (9) disposed on the upper surface of the rear panel.

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