High-density UPS lithium battery system

Abstract

The utility model discloses a high-density UPS lithium battery system, and belongs to the technical field of batteries. The high-density UPS lithium battery system comprises a plurality of PACK modules, a CBMS main control module, a GBMS monitoring module, a cloud module, a CO detection module, an RCD leakage protection module and a copper bar connection module. The GBMS monitoring module is connected with the CBMS main control module, the CO detection module and the RCD leakage protection module; the system comprises a cabinet-level fire-fighting assembly and a module-level fire-fighting assembly. The copper bar connection module is used for connection between the PACK modules and connection between the PACK modules and the CBMS main control module. According to the utility model, the GBMS monitoring module in the battery system carries out global temperature monitoring and real-time state detection; rCD electric leakage detection, CO detection and thermal runaway early warning are realized; the modules are connected in a cable-free all-copper-bar mode, and the whole system is small in size, high in power, high in magnification, high in prefabrication and convenient to install.

Description

Technical Field

[0001] This utility model belongs to the field of battery technology, and in particular relates to a high-density UPS lithium battery system. Background Technology

[0002] A UPS battery cabinet is a device used to store and release electrical energy. It contains multiple sets of energy storage batteries and is typically used for short-term backup power to data center UPS systems. It is an important component of a UPS system; the battery cabinet is assembled into modules, which require wiring between them.

[0003] Current UPS battery cabinets typically have a power output of around 300kW, resulting in low energy density and a large footprint. The overall cost is high due to the use of cables to connect modules and the main control box. Furthermore, most battery cabinets lack fire suppression systems, making it difficult to effectively manage thermal runaway. Summary of the Invention

[0004] This utility model provides a high-density UPS lithium battery system, which aims to solve the problems of low energy density, high cost of cable connection modules and main control box in existing UPS battery cabinets, and lack of efficient thermal runaway management devices in the battery cabinet.

[0005] The technical solution of this utility model is implemented as follows:

[0006] A high-density UPS lithium battery system includes a complete unit transport cabinet, and several PACK modules, CBMS main control module, GBMS monitoring module, cloud module, CO detection module, RCD leakage protection module and copper busbar connection module installed in the complete unit transport cabinet;

[0007] Several of the aforementioned PACK modules are connected in series. The PACK modules are connected to the CBMS main control module. The GBMS monitoring module is connected to the CBMS main control module, the CO detection module, and the RCD leakage protection module. The whole machine transport cabinet is equipped with cabinet-level fire protection components, and the PACK modules are equipped with module-level fire protection components. The copper busbar connection module is used for connection between the PACK modules and for connection between the PACK modules and the CBMS main control module.

[0008] This invention achieves efficient protection for high-density UPS lithium battery systems through multiple collaborative protection mechanisms, including module-level fire protection components, cabinet-level fire protection components, CO detection modules, and the RCD leakage protection module, enabling the entire system to reach an IP20 protection level.

[0009] Preferably, the PACK module includes a module housing, and a module-level fire suppression component, a battery unit module, a battery management unit, and a module cooling fan disposed within the module housing; the battery unit module is connected to the battery management unit; more preferably, the module-level fire suppression component and the module cooling fan are disposed opposite to each other at both ends of the battery unit module.

[0010] Further preferably, the entire unit transport cabinet is equipped with a dual-module guide rail tray, which is matched with the PACK module. The dual-module guide rail tray includes a tray body, a module limiting beam, a tray support beam, and a tray reinforcement component. The module limiting beam is located at the center of the upper end face of the tray body, and the tray support beam is located at the lower end face of the tray body. The module limiting beam divides the tray body into two module placement areas, enabling one dual-module guide rail tray to support and place two PACK modules. Further preferably, the tray body has a first limiting groove and a second limiting groove at both ends of the module limiting beam, and the tray reinforcement component is matched with the second limiting groove. The first limiting groove and the second limiting groove are fixedly matched with the internal components of the entire unit transport cabinet to further reinforce the dual-module guide rail tray. The dual-module guide rail tray enables a one-to-two PACK module arrangement, which increases the energy density of the UPS lithium battery system in this invention and provides a secure fixation.

[0011] Preferably, the CBMS main control module and the PACK module are separated by a tray, and the installation of the CBMS main control module and the PACK module does not affect each other, which facilitates installation and maintenance.

[0012] Preferably, the CBMS main control module includes a main control box, a main control box control system, and a main control circuit breaker disposed on the main control box.

[0013] Preferably, the GBMS monitoring module, the cloud module, and the CO detection module are installed on the cabinet door of the complete machine transport cabinet to monitor the module status in real time. The GBMS monitoring module is connected to a GBMS monitoring screen on the cabinet door, which displays the monitoring results intuitively, facilitating routine inspections and information display in case of abnormalities. The cloud module can realize local data storage and cloud connection with the terminal control system.

[0014] Preferably, the cabinet door of the whole machine transport cabinet is equipped with an emergency EPO stop button, which can realize the emergency stop and cut-off function in an emergency.

[0015] Preferably, the cabinet door of the complete unit transport cabinet is equipped with a charging and discharging status indicator light strip, which can change to red or green according to the system's working status; the charging and discharging status indicator light strip can reflect the charging and discharging status of the high-density UPS lithium battery system in real time, making it easy to understand the charging and discharging status of the system during use and inspection.

[0016] Preferably, the cabinet door of the whole machine transport cabinet adopts a double door design, and through the double-row side-by-side arrangement of PACK modules, 12 PACK modules can be placed inside the cabinet.

[0017] Preferably, the top of the whole machine transport cabinet is provided with a lifting ring, and the lifting ring structure is designed to meet the requirements for hoisting the whole machine.

[0018] Preferably, the top and bottom of the whole machine transport cabinet are respectively provided with cabinet-joining plates, which are used for cabinet-joining installation, and can achieve the effect of easy installation and stable cabinet-joining in applicable scenarios.

[0019] Preferably, the cabinet-level fire suppression system includes a temperature detector, a smoke detector, and a fire extinguisher. The temperature and smoke detectors can detect and warn of abnormal conditions such as high temperature and high smoke levels inside the cabinet, and activate the fire extinguisher to detect and extinguish the fire, achieving a cabinet-level fire suppression effect. The fire extinguisher is a thermoelectric dual-sensitivity fire extinguisher, preferably a perfluoroacetone fire extinguisher. More preferably, the cabinet-level fire suppression system is located at the top of the cabinet. If smoke or fire occurs inside the cabinet, the smoke and fire will converge at the top, allowing for comprehensive detection of the abnormal situation throughout the entire cabinet. The cabinet-level fire suppression system preferably adopts a downward insertion installation method, which simplifies installation, maintenance, and replacement.

[0020] The cabinet-level fire protection components and the module-level fire protection components work together to form a level 2 protection for the high-density UPS lithium battery system, which has an extremely high protection effect.

[0021] Preferably, a cooling fan is provided at the rear end of the CBMS main control module; the cooling fan facilitates heat dissipation from the CBMS main control module. In this invention, the PACK module has a cooling fan on its front panel, and the front exhaust fan draws heat away from the module through the front door, which has honeycomb ventilation holes. Simultaneously, a cooling fan is located at the rear of the CBMS main control module, and the rear exhaust fan dissipates heat from the module through the rear door mesh and the cabinet top mesh. The front and rear ventilation systems work synergistically to achieve a high heat dissipation effect.

[0022] Preferably, the copper busbar connection module includes a center copper busbar assembly, a series copper busbar, an input copper busbar, a connecting copper busbar, and an output copper busbar;

[0023] The complete machine transport cabinet is equipped with cabinet columns, and the centerline copper busbar assembly is fixedly mounted on the cabinet columns; the PACK modules are connected in series via the series copper busbars, and the PACK modules are connected to the centerline copper busbar assembly via the connecting copper busbars; the PACK modules are connected to the CBMS main control module via the input copper busbars, and the output copper busbars are provided at the output end of the CBMS main control module.

[0024] The centerline copper busbar assembly includes a centerline copper busbar, a wrapping trough, a trough cover, and a connecting cover; the centerline copper busbar is disposed within the wrapping trough; the wrapping trough and the trough cover are matched and disposed, and the wrapping trough is provided with a connecting port, and the connecting cover is matched and disposed with the connecting port; the connecting copper busbar and the centerline copper busbar are connected at the connecting port.

[0025] Preferably, the cable tray cover is mounted on the wrapping cable tray via a sliding groove structure.

[0026] Preferably, the connecting cover and the groove cover are alternately arranged on the wrapping groove.

[0027] Preferably, the centerline copper busbar assembly further includes an end cover, which is disposed on the end of the wrapping groove away from the connecting cover.

[0028] Preferably, heat shrink tubing is provided on the outer side of the series copper busbar, the input copper busbar, the connecting copper busbar, and the output copper busbar; each copper busbar is a soft copper busbar.

[0029] This invention achieves a battery system where PACK modules are connected to each other and to the CBMS main control module using copper busbars. Each copper busbar is protected by heat-shrink tubing, and there are no cables connecting the modules. This meets UL safety requirements while solving the messy and unsightly problem caused by connecting battery modules with cables inside the cabinet. Furthermore, copper busbars have better current carrying capacity than cables, and using copper busbars to replace cables can meet the needs of some high current carrying capacity scenarios.

[0030] This utility model's high-density UPS lithium battery system solves the problem of using copper busbars instead of cables for series and parallel connections between modules. It achieves 600KW power within a size of 800*750*2000mm, with each module having a 120AH capacity and supporting high-rate 10C discharge. The entire system features two layers of safety protection: module-level and cabinet-level. It includes a CO detection module and a cloud module, a GBMS large-screen touchscreen, and all main control wiring and main grounding copper busbar wiring are housed within the cabinet. It also features an emergency stop button, an upgraded appearance, and a highly prefabricated design for easy installation and maintenance.

[0031] Compared with the prior art, the technical solution of this utility model has the following advantages:

[0032] This utility model provides a high-density UPS lithium battery system with a fully modular design. It comprises a complete transport cabinet, PACK modules, a CBMS main control module, a GBMS monitoring module, a cloud module, a CO detection module, cabinet-level fire suppression components, module-level fire suppression components, an RCD leakage protection module, an emergency EPO stop button, charging / discharging status indicator lights, and copper busbar connection modules. The lithium battery system achieves a power output of 600kW, with a compact structure, high energy density, saving space occupied by the UPS lithium battery cabinet and extending its service life. The battery cabinet internally incorporates cabinet-level and module-level fire suppression components working together to form a fire extinguishing unit. The high temperature generated by spontaneous combustion triggers a heat-sensitive perfluoroacetone fire extinguisher, preventing the spread of fire and achieving timely extinguishing, reducing economic losses caused by large-scale fires and improving the safety of the battery cabinet. It also reduces economic losses due to thermal runaway. The PACK modules and CBMS main control module, as well as the PACK modules themselves, are connected in series using an all-copper busbar design, which is insulated, fireproof, and temperature-resistant, meeting UL standards, eliminating the need for cable connections. Furthermore, the PACK module boasts high energy density, meeting the requirements for high-rate 10C discharge; its GBMS monitoring module provides full-range temperature monitoring and real-time status detection; and it features RCD leakage detection, CO detection, and early warning of thermal runaway. The entire system is compact, high-power, high-rate, and easily prefabricated for convenient installation. Attached Figure Description

[0033] Figure 1 This is a front view of the high-density UPS lithium battery system in an embodiment of this utility model.

[0034] Figure 2 This is a schematic diagram of the back structure of the high-density UPS lithium battery system in this embodiment of the present invention;

[0035] Figure 3 This is a schematic diagram of the PACK module in an embodiment of the present invention;

[0036] Figure 4 This is an exploded view of the PACK module in an embodiment of the present invention;

[0037] Figure 5 This is a schematic diagram of the first structure of the dual-module guide rail tray in this embodiment of the present invention;

[0038] Figure 6 This is a schematic diagram of the second structure of the dual-module guide rail tray in this embodiment of the present invention;

[0039] Figure 7 This is a schematic diagram of the copper busbar connection module in an embodiment of the present invention;

[0040] Figure 8This is an exploded view of the centerline copper busbar assembly in an embodiment of the present utility model;

[0041] Figure 9 This is a schematic diagram of a cabinet structure including a cabinet support column structure in an embodiment of this utility model. Detailed Implementation

[0042] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0043] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, top, bottom, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0044] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0045] It should be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0046] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0047] Currently, existing UPS battery cabinets suffer from low energy density, high cost due to the use of cable connection modules and main control boxes, and a lack of thermal runaway management devices. To address these technical problems, this invention proposes a high-density UPS lithium battery system.

[0048] Example

[0049] like Figure 1 and Figure 2 As shown, this utility model provides a high-density UPS lithium battery system, including a whole unit transport cabinet 1, and several PACK modules 2, CBMS main control module 3, GBMS monitoring module 4, cloud module 5, CO detection module 6, RCD leakage protection module 7 and copper busbar connection module 8 installed in the whole unit transport cabinet 1.

[0050] Several PACK modules 2 are connected in series. The PACK module 2 is connected to the CBMS main control module 3. The GBMS monitoring module 4 is connected to the CBMS main control module 3, the CO detection module 6, and the RCD leakage protection module 7. The whole machine transport cabinet 1 is equipped with a cabinet-level fire protection component 11, and the PACK module 2 is equipped with a module-level fire protection component 21. The copper busbar connection module 8 is used for the connection between the PACK modules 2 and for the connection between the PACK module 2 and the CBMS main control module 3.

[0051] This utility model achieves efficient protection for high-density UPS lithium battery systems through multiple coordinated protections, including module-level fire protection components 21, cabinet-level fire protection components 11, CO detection module 6, and RCD leakage protection module 7, enabling the entire system to reach an IP20 protection level.

[0052] Preferred, such as Figure 3 and Figure 4As shown, the PACK module 2 includes a module housing 22, and a module-level fire protection component 21, a battery unit module 23, a battery management unit 24, and a module cooling fan 25 disposed within the module housing 22; the battery unit module 23 is connected to the battery management unit 24; more preferably, the module-level fire protection component 21 and the module cooling fan 25 are disposed opposite to each other at both ends of the battery unit module 23.

[0053] Further optimization, such as Figure 5 and Figure 6 As shown, the complete machine transport cabinet 1 is equipped with a dual-module guide rail tray 12, which is matched with the PACK module 2. The dual-module guide rail tray 12 includes a tray body 121, a module limiting beam 122, a tray support beam 124, and a tray reinforcement 123. The module limiting beam 122 is located at the center of the upper end face of the tray body 121, and the tray support beam 124 is located at the lower end face of the tray body 121. The module limiting beam 122 divides the tray body 121 into two module placement areas, which can realize the lifting and placement of two PACK modules 2 by one dual-module guide rail tray 12. Preferably, the tray body 121 is provided with a first limiting groove 125 and a second limiting groove 126 at both ends of the module limiting beam 122, and the tray reinforcement component 123 is matched with the second limiting groove 126; the first limiting groove 125 and the second limiting groove 126 are matched and fixedly arranged with the internal components of the whole machine transport cabinet 1 to further reinforce the dual-module guide rail tray 12. The dual-module guide rail tray 12 can realize the arrangement layout of one-to-two PACK modules 2, which can increase the energy density of the UPS lithium battery system in this utility model, and is firmly fixed.

[0054] Preferably, the CBMS main control module 3 and the PACK module 2 are separated by a tray, and the installation of the CBMS main control module 3 and the PACK module 2 does not affect each other, which facilitates installation and maintenance.

[0055] Preferably, the CBMS main control module 3 includes a main control box 31, a main control box control system 32 and a main control circuit breaker 33 disposed on the main control box 31.

[0056] Preferably, the GBMS monitoring module 4, the cloud module 5, and the CO detection module 6 are mounted on the cabinet door of the complete machine transport cabinet 1 to monitor the module status in real time. The GBMS monitoring module 4 is equipped with a GBMS monitoring screen 41 on the cabinet door, which intuitively displays the monitoring results, facilitating routine inspections and information display in case of abnormalities. The cloud module 5 can realize local data storage and cloud connection with the terminal control system.

[0057] Preferably, the cabinet door of the whole machine transport cabinet 1 is equipped with an emergency EPO stop button 13, which can realize the emergency stop and cut-off function in an emergency.

[0058] Preferably, the cabinet door of the whole machine transport cabinet 1 is equipped with a charging and discharging status indicator light strip 14, which can change to red or green according to the system working status; the charging and discharging status indicator light strip 14 can reflect the charging and discharging status of the high-density UPS lithium battery system in real time, making it easy to understand the charging and discharging status of the system during use and inspection.

[0059] Preferably, in this embodiment, the cabinet door of the whole machine transport cabinet 1 adopts a double door design, and through the double-row side-by-side arrangement of PACK modules 2, 12 PACK modules 2 can be placed inside the cabinet.

[0060] Preferably, in this embodiment, the top of the whole machine transport cabinet 1 is provided with a lifting ring 15, and the structure of the lifting ring 15 is designed to meet the requirements for hoisting the whole machine.

[0061] Preferably, in this embodiment, the top and bottom of the whole machine transport cabinet 1 are respectively provided with cabinet-joining plates 16. The cabinet-joining plates 16 are used for cabinet-joining installation, which can achieve the effect of easy installation and stable cabinet-joining in the applicable cabinet-joining scenario.

[0062] Preferably, the cabinet-level fire suppression system 11 includes a temperature detector 111, a smoke detector 112, and a fire extinguisher 113. The temperature detector 111 and smoke detector 112 can detect and warn of abnormal conditions such as high temperature and high smoke inside the cabinet, and activate the fire extinguisher 113 to detect and extinguish the fire, achieving a cabinet-level fire suppression effect. The fire extinguisher 113 is a thermoelectric dual-sensitivity fire extinguisher, preferably a perfluoroacetone fire extinguisher. More preferably, the cabinet-level fire suppression system 11 is located at the top of the cabinet. If smoke or fire occurs inside the cabinet, the smoke and fire will converge at the top of the cabinet, allowing for comprehensive detection of the abnormal situation throughout the entire cabinet. The cabinet-level fire suppression system 11 preferably adopts a downward insertion installation method, which simplifies installation, maintenance, and replacement.

[0063] The cabinet-level fire protection component 11 and the module-level fire protection component 21 work together to form a level 2 protection for the high-density UPS lithium battery system, which has an extremely high protection effect.

[0064] Preferably, a cooling fan 34 is provided at the rear end of the CBMS main control module 3; the cooling fan 34 facilitates heat dissipation from the CBMS main control module 3. In this invention, the PACK module 2 has a cooling fan on its front panel, and the front exhaust of the PACK module 2 draws heat out of the front door, which has honeycomb ventilation holes. Simultaneously, the CBMS main control module 3 has a cooling fan at its rear, and the rear exhaust of the main control module dissipates heat from the rear door mesh and the cabinet top mesh. The front and rear ventilation systems work synergistically to achieve a high heat dissipation effect.

[0065] Preferred, such as Figure 7 and Figure 9 As shown, the copper busbar connection module 8 includes a center copper busbar assembly 81, a series copper busbar 82, an input copper busbar 83, a connecting copper busbar 84, and an output copper busbar 85;

[0066] The complete machine transport cabinet 1 is equipped with a cabinet column 17, and the center line copper busbar assembly 81 is fixedly installed on the cabinet column 17; the PACK modules 2 are connected in series through the series copper busbar 82, and the PACK modules 2 and the center line copper busbar assembly 81 are connected through the connecting copper busbar 84; the PACK modules 2 and the CBMS main control module 3 are connected through the input copper busbar 83, and the output end of the CBMS main control module 3 is provided with the output copper busbar 85;

[0067] like Figure 8 As shown, the centerline copper busbar assembly 81 includes a centerline copper busbar 811, a wrapping groove 812, a groove cover 813, and a connecting cover 814; the centerline copper busbar 811 is disposed within the wrapping groove 812; the wrapping groove 812 is matched with the groove cover 813, the wrapping groove 812 is provided with a connecting port 815, and the connecting cover 814 is matched with the connecting port 815; the connecting copper busbar 84 is connected to the centerline copper busbar 811 at the connecting port 815.

[0068] Preferably, the cable tray cover 813 is mounted on the wrapping cable tray 812 via a sliding groove structure.

[0069] Preferably, the connecting cover 814 and the groove cover 813 are alternately arranged on the wrapping groove 812.

[0070] Preferably, the center copper busbar assembly 81 further includes an end cover 816, which is disposed on the end of the wrapping groove 812 away from the connecting cover 814.

[0071] Preferably, heat shrink tubing is provided on the outer side of the series copper busbar 82, the input copper busbar 83, the connecting copper busbar 84, and the output copper busbar 85; each copper busbar is a soft copper busbar.

[0072] This invention achieves a battery system where PACK modules 2 are connected to each other and between PACK modules 2 and the CBMS main control module 3 using copper busbar connection module 8. Each copper busbar is protected by heat shrink tubing, and there are no cables between modules. This meets UL safety requirements while solving the problem of messiness and unsightly appearance caused by connecting battery modules with cables inside the cabinet. Furthermore, copper busbars have better current carrying capacity than cable connections, and using copper busbars to replace cables can meet the needs of some scenarios with high current carrying capacity.

[0073] This utility model's high-density UPS lithium battery system solves the problem of using copper busbars instead of cables for series and parallel connections between modules. It achieves 600KW power within a size of 800*750*2000mm, with each module having a 120AH capacity and supporting high-rate 10C discharge. The entire system features two layers of safety protection: module-level and cabinet-level. It includes a CO detection module and a cloud module, a GBMS large-screen touchscreen, and all main control wiring and main grounding copper busbar wiring are housed within the cabinet. It also features an emergency stop button, an upgraded appearance, and a highly prefabricated design for easy installation and maintenance.

[0074] Compared with the prior art, the technical solution of this utility model has the following advantages:

[0075] This utility model provides a high-density UPS lithium battery system with a fully modular design. It comprises a complete transport cabinet, PACK modules, a CBMS main control module, a GBMS monitoring module, a cloud module, a CO detection module, cabinet-level fire suppression components, module-level fire suppression components, an RCD leakage protection module, an emergency EPO stop button, charging / discharging status indicator lights, and copper busbar connection modules. The lithium battery system achieves a power output of 600kW, with a compact structure, high energy density, saving space occupied by the UPS lithium battery cabinet and extending its service life. The battery cabinet internally incorporates cabinet-level and module-level fire suppression components working together to form a fire extinguishing unit. The high temperature generated by spontaneous combustion triggers a heat-sensitive perfluoroacetone fire extinguisher, preventing the spread of fire and achieving timely extinguishing, reducing economic losses caused by large-scale fires and improving the safety of the battery cabinet. It also reduces economic losses due to thermal runaway. The PACK modules and CBMS main control module, as well as the PACK modules themselves, are connected in series using an all-copper busbar design, which is insulated, fireproof, and temperature-resistant, meeting UL standards, eliminating the need for cable connections. Furthermore, the PACK module boasts high energy density, meeting the requirements for high-rate 10C discharge; its GBMS monitoring module provides full-range temperature monitoring and real-time status detection; and it features RCD leakage detection, CO detection, and early warning of thermal runaway. The entire system is compact, high-power, high-rate, and easily prefabricated for convenient installation.

[0076] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-density UPS lithium battery system, characterized in that: It includes a complete machine transport cabinet, and several PACK modules, CBMS main control module, GBMS monitoring module, cloud module, CO detection module, RCD leakage protection module and copper busbar connection module installed in the complete machine transport cabinet; Several of the aforementioned PACK modules are connected in series. The PACK modules are connected to the CBMS main control module. The GBMS monitoring module is connected to the CBMS main control module, the CO detection module, and the RCD leakage protection module. The whole machine transport cabinet is equipped with cabinet-level fire protection components, and the PACK modules are equipped with module-level fire protection components. The copper busbar connection module is used for connection between the PACK modules and for connection between the PACK modules and the CBMS main control module.

2. The high-density UPS lithium battery system according to claim 1, characterized in that: The PACK module includes a module housing, and a module-level fire protection component, a battery unit module, a battery management unit, and a module cooling fan disposed within the module housing; the battery unit module is connected to the battery management unit.

3. The high-density UPS lithium battery system according to claim 1, characterized in that: The complete machine transport cabinet is equipped with a dual-module guide rail tray, which is matched with the PACK module. The dual-module guide rail tray includes a tray body, a module limiting beam, a tray support beam, and a tray reinforcement component. The module limiting beam is located at the center of the upper end face of the tray body, and the tray support beam is located at the lower end face of the tray body. The module limiting beam divides the tray body into two module placement areas.

4. The high-density UPS lithium battery system according to claim 1, characterized in that: The CBMS main control module includes a main control box, a main control box control system, and a main control circuit breaker installed on the main control box.

5. The high-density UPS lithium battery system according to claim 1, characterized in that: The GBMS monitoring module, the cloud module, and the CO detection module are installed on the cabinet door of the whole machine transport cabinet to monitor the status of the modules in real time.

6. The high-density UPS lithium battery system according to claim 1, characterized in that: The cabinet door of the complete machine transport cabinet is equipped with an emergency EPO stop button.

7. The high-density UPS lithium battery system according to claim 1, characterized in that: The cabinet door of the whole machine transport cabinet is equipped with a charging and discharging status indicator light strip; The top of the transport cabinet is equipped with lifting rings; The top and bottom of the complete machine transport cabinet are respectively equipped with cabinet panels.

8. The high-density UPS lithium battery system according to claim 1, characterized in that: The cabinet-level fire protection system includes a temperature detector, a smoke detector, and a fire extinguisher; the fire extinguisher is a thermoelectric dual-sensor fire extinguisher.

9. The high-density UPS lithium battery system according to claim 1, characterized in that: The copper busbar connection module includes a center copper busbar assembly, a series copper busbar, an input copper busbar, a connecting copper busbar, and an output copper busbar. The complete machine transport cabinet is equipped with cabinet columns, and the centerline copper busbar assembly is fixedly mounted on the cabinet columns; the PACK modules are connected in series via the series copper busbars, and the PACK modules are connected to the centerline copper busbar assembly via the connecting copper busbars; the PACK modules are connected to the CBMS main control module via the input copper busbars, and the output copper busbars are provided at the output end of the CBMS main control module.

10. The high-density UPS lithium battery system according to claim 9, characterized in that: The centerline copper busbar assembly includes a centerline copper busbar, a wrapping groove, a groove cover, and a connecting cover; the centerline copper busbar is disposed within the wrapping groove; the wrapping groove and the groove cover are matched, the wrapping groove is provided with a connecting port, and the connecting cover is matched with the connecting port; the connecting copper busbar and the centerline copper busbar are connected at the connecting port; Heat shrink tubing is provided on the outer side of the series copper busbar, the input copper busbar, the connecting copper busbar, and the output copper busbar.

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