High-energy internal maintenance box type power supply convergence cabinet
By dividing the combiner cabinet into three housing spaces and designing electrical connections and insulation, the problem of the large size of existing combiner cabinets has been solved, achieving the effects of reduced size and convenient maintenance.
Patent Information
- Application Number
- CN202520105286.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-16
AI Technical Summary
The existing combiner cabinets are large in size, resulting in a large footprint and making them inconvenient for observation and maintenance.
The cabinet is divided into three compartments from top to bottom, which are used to install the molded case circuit breaker, UPS power supply, inverter module, BMS system and control system respectively. Electrical connections and insulation are achieved through supporting insulators and circuit breaker back plates. Strong and weak currents are separated. Air outlets and fans are provided for heat dissipation. The UPS main unit operation panel is located on the side wall for easy operation.
It achieves top-to-bottom electrical connection and separation of strong and weak currents, reducing size, minimizing signal transmission interference, and facilitating observation and maintenance.
Smart Images

Figure CN223797795U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of ship energy storage and other related fields, and in particular to a high-energy internal maintenance box-type power combiner cabinet. Background Technology
[0002] Marine box-type power supplies are a type of power source suitable for large electric ships using a rapid battery swapping mode. Currently, combiner cabinets need to integrate BMS (Battery Management System), power distribution system, DC combiner, and comprehensive control to ensure complete functionality. However, existing combiner cabinets are large in size, resulting in a large footprint and inconvenience for staff to observe and maintain them. Utility Model Content
[0003] In view of this, and to solve the above problems, the purpose of this utility model is to provide a high-energy internal maintenance box-type power combiner cabinet, which includes:
[0004] cabinet
[0005] The cabinet is provided with a first accommodating space, a second accommodating space and a third accommodating space from bottom to top;
[0006] A molded case circuit breaker is installed in the upper part of the first accommodating space, and a busbar is installed in the lower part of the first accommodating space. The busbar is electrically connected to the molded case circuit breaker.
[0007] The upper part of the second accommodating space is equipped with a UPS (Uninterruptible Power Supply), and the lower part of the second accommodating space is equipped with a UPS host and an inverter module. The UPS host is electrically connected to the UPS power supply and the inverter module respectively, and the molded case circuit breaker is connected to the UPS power supply.
[0008] A BMS system is installed in the upper part of the third accommodating space, and a control system is installed in the lower part of the third accommodating space. The BMS system is electrically connected to the control system, and the control system is also electrically connected to the UPS host.
[0009] In the aforementioned high-energy internally maintained box-type power combiner cabinet, the combiner busbar is installed in the first accommodating space via supporting insulators.
[0010] In the aforementioned high-energy internally maintained box-type power combiner cabinet, the molded case circuit breaker is installed in the first accommodating space via a circuit breaker backplate.
[0011] The aforementioned high-energy internally maintained box-type power combiner cabinet has an air outlet at the top of the cabinet and a fan installed at the top of the cabinet, with the fan located at the air outlet.
[0012] In the aforementioned high-energy internally maintained box-type power combiner cabinet, the operation panel of the UPS host is located on the side wall of the cabinet.
[0013] The aforementioned high-energy internally maintained box-type power combiner cabinet, wherein the third accommodating space is further equipped with several device mounting plates.
[0014] In the aforementioned high-energy internally maintained box-type power combiner cabinet, the UPS power supply, the UPS host, and the inverter module are installed in the second accommodating space via a bracket.
[0015] The positive effects of the above technical solution compared with the existing technology are:
[0016] By applying this utility model, a high-energy internal maintenance box-type power combiner cabinet is provided. The cabinet is divided into three accommodating spaces from top to bottom, so that the electrical connection is separated from top to bottom and the strong and weak currents are separated, resulting in less interference in the transmission of each signal. Compared with traditional combiner cabinets, distribution cabinets or control cabinets, the size is greatly reduced, which facilitates later observation and maintenance. Attached Figure Description
[0017] Figure 1 This is an external schematic diagram of a high-energy internally maintained box-type power combiner cabinet according to the present invention.
[0018] Figure 2 This is an internal schematic diagram of a high-energy internally maintained box-type power combiner cabinet according to the present invention.
[0019] Figure 3 This is a front view of the first accommodating space in this utility model.
[0020] Figure 4 This is a side view of the first accommodating space in this utility model.
[0021] Figure 5 This is a side view of the second accommodating space in this utility model.
[0022] Figure 6 This is a front view of the second accommodating space in this utility model.
[0023] Figure 7 This is a front view of the third accommodating space in this utility model.
[0024] Figure 8 This is a side view of the third accommodating space in this utility model.
[0025] 1. Cabinet; 2. First storage space; 3. Second storage space; 4. Third storage space; 5. Molded case circuit breaker; 6. Busbar; 7. Supporting insulator; 8. Circuit breaker backplate; 9. UPS power supply; 10. UPS main unit; 11. Inverter module; 12. Bracket; 13. Control system; 14. Component mounting plate; 15. BMS system. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.
[0027] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.
[0028] like Figures 1 to 8 As shown, a preferred embodiment of a high-energy internally maintained box-type power combiner cabinet is provided, which includes: cabinet 1.
[0029] The cabinet 1 is provided with a first accommodating space 2, a second accommodating space 3, and a third accommodating space 4 from bottom to top. A molded case circuit breaker 5 is installed in the upper part of the first accommodating space 2, and a busbar 6 is installed in the lower part of the first accommodating space 2. The busbar 6 is electrically connected to the molded case circuit breaker 5. A UPS power supply 9 is installed in the upper part of the second accommodating space 3, and a UPS host 10 and an inverter module 11 are installed in the lower part of the second accommodating space 3. The UPS host 10 is electrically connected to the UPS power supply 9 and the inverter module 11 respectively. The molded case circuit breaker 5 is connected to the UPS power supply 9. A BMS system 15 is installed in the upper part of the third accommodating space 4, and a control system 13 is installed in the lower part of the third accommodating space 4. The BMS system 15 is electrically connected to the control system 13, and the control system 13 is also electrically connected to the UPS host 10.
[0030] In practical use, the busbar 6 and the molded case circuit breaker 5 are installed in the first accommodating space 2 on the lower side of the cabinet 1, facilitating overall wiring. The UPS power supply 9, UPS main unit 10, and inverter module 11 are installed in the middle of the cabinet 1, allowing the operation panel to be located in the center of the cabinet 1 for convenient operation. The BMS system 15 and control system are installed on the upper side of the cabinet 1, which not only facilitates heat dissipation but also enables separation of strong and weak currents, minimizing interference in signal transmission. The electrical connections of this device are arranged from top to bottom, with strong and weak currents separated, resulting in minimal interference in signal transmission and a significantly smaller size compared to traditional busbar cabinets, distribution cabinets, or control cabinets.
[0031] Based on the above, this utility model also has the following embodiments:
[0032] Furthermore, in a high-energy internally maintained box-type power combiner cabinet, the combiner busbar 6 is installed in the first accommodating space 2 via supporting insulators 7. Specifically, the supporting insulators 7 serve to provide electrical insulation, mechanical support, and environmental protection.
[0033] Furthermore, a high-energy internally maintained box-type power combiner cabinet, wherein the molded case circuit breaker 5 is installed in the first accommodating space 2 via the circuit breaker backplate 8.
[0034] Furthermore, a high-energy internally maintained box-type power combiner cabinet is provided, wherein the top of the cabinet 1 is provided with an air outlet, and a fan is installed on the top of the cabinet 1, with the fan located at the air outlet. Specifically, the air outlet and the fan are used to cool the cabinet 1.
[0035] Furthermore, a high-energy, internally maintained box-type power combiner cabinet is provided, wherein the operation panel of the UPS host 10 is located on the side wall of the cabinet 1. Specifically, the operation panel of the UPS host 10 is located on the side wall of the cabinet 1, allowing it to be operated without opening the cabinet door.
[0036] Furthermore, in a high-energy internally maintained box-type power combiner cabinet, the third accommodating space 4 also houses several device mounting plates 14. Specifically, several device mounting plates 14 are provided for subsequent device installation.
[0037] Furthermore, a high-energy internally maintained box-type power combiner cabinet is provided, wherein the UPS power supply 9, the UPS host 10, and the inverter module 11 are installed in the second accommodating space 3 via a bracket 12. Specifically, the UPS power supply 9, the UPS host 10, and the inverter module 11 are fixed by the bracket 12.
[0038] The above description is only a preferred embodiment of the present utility model and does not limit the implementation method and protection scope of the present utility model. Those skilled in the art should realize that all solutions obtained by equivalent substitutions and obvious changes made based on the description and illustrations of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A high-energy internally maintained box-type power combiner cabinet, characterized in that, include: cabinet The cabinet is provided with a first accommodating space, a second accommodating space and a third accommodating space from bottom to top; A molded case circuit breaker is installed in the upper part of the first accommodating space, and a busbar is installed in the lower part of the first accommodating space. The busbar is electrically connected to the molded case circuit breaker. A UPS power supply is installed in the upper part of the second accommodating space, and a UPS host and an inverter module are installed in the lower part of the second accommodating space. The UPS host is electrically connected to the UPS power supply and the inverter module respectively, and the molded case circuit breaker is connected to the UPS power supply. A BMS system is installed in the upper part of the third accommodating space, and a control system is installed in the lower part of the third accommodating space. The BMS system is electrically connected to the control system, and the control system is also electrically connected to the UPS host.
2. The high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The busbar is installed in the first accommodating space via a support insulator.
3. A high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The molded case circuit breaker is installed in the first accommodating space via the circuit breaker backplate.
4. A high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The top of the cabinet is provided with an air outlet, and a fan is installed on the top of the cabinet, with the fan located at the air outlet.
5. A high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The UPS host's control panel is located on the side wall of the cabinet.
6. A high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The third accommodating space also contains several device mounting plates.
7. A high-energy internally maintained box-type power combiner cabinet according to claim 1, characterized in that, The UPS power supply, the UPS host, and the inverter module are mounted in the second accommodating space via a bracket.