High-magnification standby power supply

Abstract

The utility model discloses a high-magnification standby power supply, which comprises a battery box, a double-row battery module is arranged in the battery box, the double-row battery module is formed by connecting two single-row battery modules in parallel, and the battery box comprises a heat dissipation cover plate, a heat dissipation side plate I, a heat dissipation side plate II, a front panel, a rear cover plate and a bottom plate; heat dissipation air plates are arranged between battery cells of the single-row battery module, heat dissipation air channels between the battery cells are formed by the heat dissipation air plates, an insulating sheet II is arranged between the double-row battery modules, ventilation holes are formed in the insulating sheet II, and buffer foams are arranged on the two sides of the double-row battery modules; the battery box is simple in structure and novel in design, the double-row battery module formed by connecting the two single-row battery modules in parallel is arranged, the production cost is reduced while the energy density is improved, multiple air channels are arranged for the double-row battery module for heat dissipation, it is guaranteed that the battery box reliably and stably operates in high-magnification, large-current and short-time work, and the service life of the battery box is prolonged. And the temperature consistency is improved, the service life is prolonged, and the safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage batteries, and specifically relates to a high-rate backup power supply. Background Art

[0002] The backup power supply can meet the uninterrupted power supply. When a power failure occurs, some product devices need to upload and save data after the power failure, and at the same time perform some other actions. A large short-time instantaneous current is required during this process. At present, most backup power supply products on the market are lead-acid batteries or a few lithium battery products with a duration of 20 - 30 minutes. Due to the small discharge rate, it is difficult to meet the backup power requirements of some high-power products, and the discharge time is too long, resulting in low utilization rate of stored electric energy. Selecting a high-rate, high-current, and short-time 10-minute backup power supply can meet these special scenario working conditions.

[0003] However, a large amount of heat is generated when the high-rate backup power supply is in use. If the heat is not discharged in time, it will affect the health and normal use of the battery, leading to safety accidents. Therefore, it is necessary to improve it. Summary of the Invention

[0004] The purpose of the utility model is to provide a high-rate backup power supply to solve the problems raised in the above background art. To achieve the above purpose, the utility model provides the following technical solution: A high-rate backup power supply includes a battery box, and a double-row battery module is arranged inside the battery box. The double-row battery module is formed by paralleling two single-row battery modules. The battery box includes a heat dissipation cover plate, a first heat dissipation side plate, a second heat dissipation side plate, a front panel, a rear cover plate, and a bottom plate;

[0005] A heat dissipation air plate is arranged between the cells of each single-row battery module, and a heat dissipation air duct between the cells is formed by the heat dissipation air plate. An insulating sheet material II is arranged between the double-row battery modules, and ventilation holes are opened on the insulating sheet material II. Buffer foams are arranged on both sides of the double-row battery module.

[0006] Preferably, the double-row battery module is bolted inside the battery box, and an insulating sheet material I is arranged between the bottom plate and the module, and multiple heat-conducting adhesives are arranged on the insulating sheet material I.

[0007] Preferably, the heat dissipation cover plate is provided with a plurality of upper heat dissipation air vents, and the upper heat dissipation air vents are non-uniformly distributed.

[0008] Preferably, the left heat dissipation air vents are uniformly distributed on the first heat dissipation side plate, the right heat dissipation air vents are uniformly distributed on the second heat dissipation side plate, and the left heat dissipation air vents and the right heat dissipation air vents are symmetrically distributed.

[0009] Preferably, aluminum alloy end plates are arranged at both ends of the double-row battery module, and tie-down holes, lifting holes, and limiting grooves are arranged on the aluminum alloy end plates, and the steel belt is tightened and limited through the limiting grooves.

[0010] Preferably, a CCS component is provided above the double-row battery module, and an insulation protection cover is provided above the CCS component.

[0011] Preferably, a plastic support member is provided on the CCS component, and a rivet connection hole, a wire harness limit buckle, an explosion-proof hole and a flow guide piece are provided on the plastic support member. The flow guide piece is provided with a thin welding area and a current-carrying area increase.

[0012] Preferably, a detachable maintenance panel is provided on the front panel, the BMS sampling board is fixed on the maintenance panel, and a lifting and handling handle is provided at the upper end of the front panel.

[0013] Preferably, the rear cover plate is provided with a hidden handle.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model has a novel design, utilizes a reasonable mechanical structure, and ingeniously exerts the internal potential of each element. A double-row battery module formed by paralleling two single-row battery modules is set, which improves the energy density while reducing the production cost. Multiple air ducts are set for heat dissipation for the double-row battery module to ensure the reliable and stable operation of the battery box under high rate, large current and short-time work, and the temperature consistency is improved, the service life is prolonged, and safety is ensured. Description of the Drawings

[0015] Figure 1 It is an exploded view of the overall structure of the present utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the battery module of the present utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the CCS component in the present utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the second insulating sheet between the double-row battery modules in the present utility model;

[0019] In the figure, 1 is a heat dissipation cover plate, 101 is an upper heat dissipation air vent, 2 is a first heat dissipation side plate, 201 is a left heat dissipation air vent, 3 is a front panel, 301 is a maintenance panel, 302 is a BMS sampling board, 303 is a front board, 4 is a bottom plate, 401 is a first insulating sheet, 402 is a thermal conductive adhesive, 403 is a second insulating sheet, 404 is a ventilation hole, 5 is a second heat dissipation side plate, 501 is a right heat dissipation air vent, 6 is a double-row battery module, 601 is an aluminum alloy end plate, 6011 is a lifting hole, 6012 is a limiting groove, 6013 is a cable tie hole, 602 is a buffer foam, 603 is a battery cell, 604 is a heat dissipation air plate, 605 is a steel strip, 606 is an insulating protective cover, 607 is a plastic rivet, 608 is a CCS component, 6081 is a plastic support, 6082 is a rivet connection hole, 6083 is a wire harness limiting buckle, 6084 is a flow guide piece, 60841 is a thin welding area, 60842 is an increased current-carrying area. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1-4 , the present invention provides a technical solution: a high-rate backup power supply, including a battery box, in which a double-row battery module 6 is provided. The double-row battery module 6 is formed by paralleling two single-row battery modules, and the double-row battery module can improve the energy density while reducing the production cost.

[0022] The battery box includes a heat dissipation cover plate 1, a first heat dissipation side plate 2, a second heat dissipation side plate 5, a front panel 3, a rear cover plate 7 and a bottom plate 4. The above components are all connected by bolts to form the battery box.

[0023] The double-row battery module 6 is bolted inside the battery box. A first insulating sheet 401 is provided between the bottom plate 4 and the module, and multiple thermal conductive adhesives 402 are arranged on the first insulating sheet 401 to transfer the heat generated inside the battery module through the thermal conductive adhesives 402.

[0024] For each single-row battery module, a heat dissipation air plate 604 is provided every three battery cells in the width direction of the battery cells 603, and a heat dissipation air duct is formed between the battery cells by the heat dissipation air plates 604. A second insulating sheet 403 is provided between the lengths of the double-row battery modules 6, and ventilation holes 404 are opened on the second insulating sheet 403 to ensure the smoothness of the heat dissipation air duct between the double-row battery modules and guarantee the heat dissipation effect.

[0025] On both sides of the double-row battery module 6, there are buffer foams 602. Since the number of combined battery cells is large, there will be thickness tolerances. The buffer foams 602 absorb the tolerance margins to ensure that all battery cells can reach the required length after being squeezed.

[0026] The heat dissipation cover plate 1 is provided with a plurality of upper heat dissipation air vents 101. The upper heat dissipation air vents 101 are non-uniformly distributed, with a larger interval at both ends of the heat dissipation cover plate 1 and a smaller interval in the middle, so as to conform to the heat distribution in the battery box.

[0027] The left heat dissipation air vents 201 are uniformly distributed on the first heat dissipation side plate 2, and the right heat dissipation air vents 501 are uniformly distributed on the second heat dissipation side plate 5. The left heat dissipation air vents 201 and the right heat dissipation air vents 501 are symmetrically distributed, thereby realizing the penetration of the left and right air ducts and ensuring the heat dissipation effect.

[0028] Above the double-row battery module 6, there is a CCS component 608 (Cells Contact System, integrated busbar). Above the CCS component 608, there is an insulation protection cover 606. The insulation protection cover 606 is riveted to the double-row battery module 6 and the CCS component 608 through a plurality of plastic rivets 607.

[0029] At both ends of the double-row battery module 6, there are aluminum alloy end plates 601. The aluminum alloy end plates 601 are provided with cable tie holes 6013, lifting holes 6011 and limit grooves 6012. The steel strip 605 is tightened and limited through the limit grooves 6012.

[0030] The CCS component 608 is provided with a plastic support 6081. The plastic support 6081 is provided with a rivet connection hole 6082, a wire harness limit buckle 6083, an explosion-proof hole 6085 and a flow guide piece 6084. The flow guide piece 6084 is provided with a thin welding area 60841 and a current-carrying area increase 60842.

[0031] The plastic rivet 607 passes through the rivet connection hole 6082 to connect the CCS component 608 and the double-row battery module 6; the wire harness limit buckle 6083 is used to organize the wire harness to ensure the safe use of the battery module.

[0032] The explosion-proof hole 6085 is used to prevent the unobstructed explosion and spraying of the internal high-temperature electrolyte when the battery is in thermal runaway, reducing the risk of the battery being ignited by the high-temperature electrolyte.

[0033] The thin welding area 60841 can meet the welding requirements of conventional power welding equipment, reducing problems such as excessive heat or slag spatter caused by the need to increase the welding power due to the excessive thickness of the flow guide piece; the current-carrying area increase 60842 can meet the current-carrying capacity of the flow guide piece under high-rate large-current working conditions, ensuring the performance and service life of the flow guide piece.

[0034] The front panel 3 is provided with a detachable maintenance panel 301, and the BMS sampling board 302 is fixed on the maintenance panel 301. A hoisting and handling handle is provided at the upper end of the front panel 3, which is convenient for the loading and unloading of the battery box.

[0035] The rear cover plate 7 is provided with a hidden handle 701, and the rear cover plate 7 can be conveniently opened through the hidden handle 701.

[0036] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-rate backup power supply, comprising a battery box, characterized in that: A double-row battery module (6) is provided in the battery box, wherein the double-row battery module (6) is formed by connecting two single-row battery modules in parallel, and the battery box comprises a heat dissipation cover plate (1), a first heat dissipation side plate (2), a second heat dissipation side plate (5), a front panel (3), a rear cover plate (7) and a bottom plate (4); A heat dissipation plate (604) is provided between each battery cell (603) of the single-row battery module, and a heat dissipation duct between the battery cells is formed by the heat dissipation plate (604). A second insulating sheet (403) is provided between the double-row battery modules (6), and a ventilation hole (404) is provided on the second insulating sheet (403). Buffer foam (602) is provided on both sides of the double-row battery module (6).

2. The high-rate backup power supply according to claim 1, characterized in that: The double-row battery module (6) is bolted inside the battery box, an insulating sheet (401) is provided between the bottom plate (4) and the module, and a plurality of thermal conductive adhesives (402) are arranged on the insulating sheet (401).

3. The high-rate backup power supply according to claim 2, characterized in that: The heat dissipation cover plate (1) is provided with a plurality of upper heat dissipation vents (101), and the upper heat dissipation vents (101) are unevenly distributed.

4. The high-rate backup power supply according to claim 3 is characterized in that: The first heat dissipation side plate (2) is evenly distributed with left heat dissipation vents (201), and the second heat dissipation side plate (5) is evenly distributed with right heat dissipation vents (501), and the left heat dissipation vents (201) and the right heat dissipation vents (501) are symmetrically distributed.

5. The high-rate backup power supply according to claim 1, characterized in that: The two ends of the double-row battery module (6) are provided with aluminum alloy end plates (601), the aluminum alloy end plates (601) are provided with tie holes (6013), hoisting holes (6011) and limiting grooves (6012), and the steel belt (605) is tightened and limited through the limiting grooves (6012).

6. The high-rate backup power supply according to claim 1, characterized in that: A CCS assembly (608) is provided above the double-row battery module (6), and an insulating protective cover (606) is provided above the CCS assembly (608).

7. The high-rate backup power supply according to claim 6, characterized in that: The CCS assembly (608) is provided with a plastic support (6081), the plastic support (6081) is provided with a rivet connection hole (6082), a wire harness limit buckle (6083), an explosion-proof hole (6085) and a guide plate (6084), and the guide plate (6084) is provided with a thin welding area (60841) and an increased current-carrying area (60842).

8. The high-rate backup power supply according to claim 1, characterized in that: The front panel (3) is provided with a detachable maintenance panel (301), the BMS sampling plate (302) is fixed on the maintenance panel (301), and a lifting and carrying handle is provided at the upper end of the front panel (3).

9. The high-rate backup power supply according to claim 8, characterized in that: The rear cover plate (7) is provided with an invisible handle (701).

Images