Modularized energy storage high-voltage distribution box
By using modular design and optimizing the cooling fan, the problem of concentrated heat in the energy storage high-voltage distribution box was solved, achieving uniform heat dissipation, extending the life of components, and improving equipment reliability.
Patent Information
- Application Number
- CN202422882715.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-11-25
AI Technical Summary
The energy storage high-voltage distribution box generates a lot of heat during operation, which can lead to excessively high temperatures, affecting the lifespan of components and the reliability of the equipment.
The modular design integrates the control module by mounting it on the mounting plate and then installing it inside the housing. The cooling fan design ensures that the airflow is distributed to cool the control components. Hot air is blocked by the side walls and discharged to both sides, while the upper airflow blows directly forward, achieving uniform heat dissipation.
It effectively prevents heat concentration, improves heat dissipation, extends the service life of components, and enhances the reliability of equipment.
Smart Images
Figure CN223771609U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of energy storage devices, and in particular to a modular energy storage high-voltage distribution box. Background Technology
[0002] As the global energy structure shifts towards renewable energy, the importance of energy storage systems is becoming increasingly prominent on the generation, transmission and distribution, and user sides. Energy storage systems can charge during off-peak hours and discharge during peak hours, effectively balancing grid load and improving the stability of the power system.
[0003] As a key component of energy storage systems, high-voltage distribution boxes are responsible for connecting or disconnecting the main electrical circuits of the system, playing a crucial role in the safe and stable operation of the entire energy storage system. Previous energy storage high-voltage distribution box technology borrowed to some extent from technologies in the electric vehicle field. However, due to differences in power and voltage levels between energy storage systems and electric vehicles, the energy storage system generates a large amount of heat during operation, leading to excessively high temperatures inside the box, which affects the lifespan of components and the reliability of the equipment. Utility Model Content
[0004] To address the aforementioned technical problems, this application provides a modular energy storage high-voltage distribution box, which has the advantage of reducing the occurrence of excessively high distribution box temperatures, thus affecting the service life of components and the reliability of the equipment.
[0005] To achieve the above objectives, the technical solution of this utility model is as follows:
[0006] A modular energy storage high-voltage distribution box includes a shell, an installation base plate inside the shell, a DC module and a control module on the installation base plate, and an AC module on the shell on the side of the installation plate.
[0007] The control module includes control components and a mounting bracket for mounting electronic components. The mounting bracket includes a lower mounting plate with a Z-shaped cross-section, which is set on the mounting base plate. An upper mounting plate with a Z-shaped cross-section is set on the lower mounting plate. The upper mounting plate and the lower mounting plate are arranged alternately horizontally and vertically.
[0008] The mounting base plate is equipped with a cooling fan that blows air onto the mounting frame. The central through-hole of the lower mounting plate is arranged perpendicular to the air blowing direction of the cooling fan, and an air inlet is provided on the lower mounting plate.
[0009] To achieve the above technical solution, the control module, which contains multiple electrical components, can be first installed on the mounting plate to form a whole before being installed inside the housing. This prevents the installation difficulties caused by the housing's limitations when installing individual electrical components separately. The lower-level airflow, dispersed for heat dissipation, enters the lower mounting plate through the air inlet. After cooling the control components there, the hot air is blocked by the side walls of the lower mounting plate and discharged to both sides. Meanwhile, the control components at the top of the lower mounting plate are cooled by the upper-level airflow from the cooling fan, and the resulting hot airflow blows forward. This ensures that the heat generated by the control module is evenly distributed around the housing by a single cooling fan, guaranteeing effective heat dissipation and preventing heat concentration that could lead to poor heat dissipation.
[0010] As a preferred embodiment of this application, the control components include a BCM disposed in the lower mounting plate and a switching power supply disposed inside the upper mounting plate. A pre-charging resistor is disposed on the lower mounting plate on the side of the upper mounting plate, and an I / O module is disposed on the top of the upper mounting plate.
[0011] The above technical solution ensures that the airflow of the cooling fan is unobstructed when the high-heat-generating switching power supply is installed inside the mounting bracket, thus guaranteeing the heat dissipation effect.
[0012] As a preferred embodiment of this application, the two ends of the switching power supply extend out of the upper mounting plate.
[0013] To achieve the above technical solution, both ends of the switching power supply extend beyond the upper mounting plate to facilitate wiring.
[0014] As a preferred embodiment of this application, the DC module includes a DC copper busbar, on which are provided a molded case relay and a fuse.
[0015] By implementing the above technical solution, the molded case relay can prevent arcing under high voltage and high power DC conditions.
[0016] As a preferred embodiment of this application, the fuse is disposed between the cooling fan and the AC module.
[0017] To achieve the above technical solution, the fuse is placed between the cooling fan and the AC module, thereby actively dissipating heat from the fuse.
[0018] In summary, this application includes at least one of the following beneficial technical effects:
[0019] 1. Even if the control module, which contains multiple electrical components, can be first installed on the mounting plate to form a whole before being installed in the housing, this prevents the installation difficulties caused by the housing's limitations when installing individual electrical components separately. The lower-level airflow, dispersed for heat dissipation, enters the lower mounting plate through the air inlet, cooling the control components within. The hot air is then blocked by the side walls of the lower mounting plate and discharged to both sides. Meanwhile, the control components at the top of the lower mounting plate are cooled by the upper-level airflow from the cooling fan, and the resulting hot airflow blows forward. This ensures that the heat generated by the control module is evenly distributed around the housing by a single cooling fan, guaranteeing effective heat dissipation and preventing heat concentration that could lead to poor heat dissipation. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.
[0022] Figure 2 This is a schematic diagram of the structure of the mounting plate in an embodiment of this application.
[0023] Reference numerals: 1. Housing; 2. Mounting base plate; 3. DC module; 31. DC copper busbar; 32. Molded case relay; 33. Fuse; 4. Control module; 41. Lower mounting plate; 42. Upper mounting plate; 43. BCM; 44. Switching power supply; 45. Pre-charge resistor; 46. I / O module; 47. Air inlet; 5. Cooling fan; 6. AC module. Detailed Implementation
[0024] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.
[0025] This application discloses a modular energy storage high-voltage distribution box. (Refer to...) Figure 1 The modular energy storage high-voltage distribution box includes a shell 1, a mounting base plate 2 inside the shell 1, a DC module 3 and a control module 4 on the mounting base plate 2, and an AC module 6 on the side of the shell 1. This allows the control module 4, which contains multiple electrical components, to be installed on the mounting base plate first to form a whole before being installed inside the shell 1, thus preventing installation difficulties caused by the shell 1 restricting the installation of individual electrical components.
[0026] The control module 4 includes control components and a mounting bracket for mounting electronic components. The mounting bracket includes a lower mounting plate 41 with a Z-shaped cross-section, which is disposed on the mounting base plate 2. An upper mounting plate 42 with a Z-shaped cross-section is disposed on the lower mounting plate 41. The upper mounting plate 42 and the lower mounting plate 41 are arranged alternately in a horizontal and vertical manner. The mounting base plate 2 is equipped with a cooling fan 5 that blows air onto the mounting bracket. The central through-hole of the lower mounting plate 41 is arranged perpendicular to the airflow direction of the cooling fan 5. The lower mounting plate 41 is equipped with an air inlet 47, so that the lower airflow blown out by the heat dissipation enters the lower mounting plate 41 through the air inlet 47. After cooling the control components therein, the hot air is blocked by the side wall of the lower mounting plate 41 and discharged to both sides. The control components at the top of the lower mounting plate 41 are cooled by the upper airflow of the cooling fan 5, and the generated hot air is blown forward. Thus, the heat generated by the control module 4 can be evenly blown to the perimeter of the housing 1 by the cooling fan 5, thereby ensuring the heat dissipation effect and preventing heat concentration, which would lead to a deterioration in the heat dissipation effect.
[0027] The control components include a BCM43 housed in the lower mounting plate 41, which is mounted on the mounting base plate 2. A switching power supply 44 is housed inside the upper mounting plate 42, fixed to the top of the lower mounting plate 41. A pre-charge resistor 45 is located on the side of the lower mounting plate 41, and an I / O module 46 is located on the top of the upper mounting plate 42. This placement of the heat-generating switching power supply 44 inside the upper mounting plate ensures unobstructed airflow to the cooling fan 5, thus guaranteeing effective heat dissipation. Both ends of the switching power supply 44 extend out of the upper mounting plate 42 for easy wiring.
[0028] The DC module 3 includes a DC copper busbar 31, on which are mounted a molded case relay 32 and a fuse 33. The molded case relay 32 prevents arcing under high voltage and high power DC conditions. The fuse 33 provides safety protection, and because it generates significant heat, it is positioned between the cooling fan 5 and the AC module for active heat dissipation.
[0029] The implementation principle of a modular energy storage high-voltage distribution box in this application embodiment is as follows: the control module 4, which contains multiple electrical components, can be first installed on the mounting plate to form a whole before being installed in the housing 1. This prevents the installation of individual electrical components in the housing 1 from being restricted by the housing 1, which would lead to installation difficulties. The lower airflow blown out for heat dissipation enters the lower mounting plate 41 through the air inlet 47. After cooling the control components therein, the hot air is blocked by the side wall of the lower mounting plate 41 and discharged to both sides. Meanwhile, the control components at the top of the lower mounting plate 41 are cooled by the upper airflow of the cooling fan 5, and the resulting hot airflow blows forward. This allows the heat generated by the control module 4 to be evenly blown to the perimeter of the housing 1 by the cooling fan 5, thereby ensuring the heat dissipation effect and preventing heat concentration, which would lead to a deterioration in the heat dissipation effect.
[0030] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. Modular energy storage high voltage distribution box, characterized in that: The application relates to a shell (1) provided with a mounting base plate (2) inside, a direct current module (3) and a control module (4) arranged on the mounting base plate (2), and an alternating current module (6) arranged on the shell (1) at the side of the mounting base plate (2). The control module (4) comprises control components and a mounting rack for mounting electronic components, the mounting rack comprises a lower layer mounting plate (41) in the shape of a Chinese character 'jie' arranged on the mounting base plate (2), an upper layer mounting plate (42) in the shape of a Chinese character 'jie' arranged on the lower layer mounting plate (41), and the upper layer mounting plate (42) and the lower layer mounting plate (41) are arranged in a horizontal and vertical staggered mode. A heat dissipation fan (5) for blowing air to the mounting rack is arranged on the mounting base plate (2), the air passing direction of the lower layer mounting plate (41) is arranged along the air blowing direction of the heat dissipation fan (5), and an air inlet (47) is arranged on the lower layer mounting plate (41).
2. The modular energy storage high-voltage distribution box of claim 1, wherein: The control components comprise a BCM (43) arranged in the lower layer mounting plate (41) and a switching power supply (44) arranged in the upper layer mounting plate (42), a pre-charge resistor (45) is arranged on the lower layer mounting plate (41) at the side of the upper layer mounting plate (42), and an I / O module (46) is arranged on the top of the upper layer mounting plate (42).
3. The modular energy storage high-voltage distribution box of claim 2, wherein: The switching power supply (44) is arranged to extend out of the upper layer mounting plate (42).
4. The modular energy storage high-voltage distribution box of claim 1, wherein: The direct current module (3) comprises a direct current copper bar (31), and a plastic shell relay (32) and a fuse (33) are arranged on the direct current copper bar (31).
5. The modular energy storage high-voltage distribution box of claim 4, wherein: The fuse (33) is arranged between the heat dissipation fan (5) and the alternating current module.