Energy storage battery plug-in box

Abstract

The utility model discloses an energy storage battery subrack which comprises a box cover, a plate body and a battery module installed on the plate body, the box cover is recessed from the bottom to the top to form an accommodating space and covers the plate body, so that the battery module is located in the accommodating space, and the plate body comprises an upper frame, a liquid cooling plate and a bottom bracket which are sequentially arranged from top to bottom. A battery installation interval is formed on the upper frame, and the liquid cooling plate is exposed out of the battery installation interval. According to the energy storage battery plug-in box, the upper frame, the liquid cooling plate and the plate body of the bottom bracket are sequentially arranged from top to bottom, so that the liquid cooling plate is protected through the bottom bracket, the liquid cooling plate is prevented from being deformed or damaged due to stress, the structural strength is improved through the upper frame, and the energy storage battery plug-in box is convenient to assemble and disassemble. A battery mounting interval for exposing the liquid cooling plate is formed on the upper frame, so that the heat dissipation of the battery module is facilitated; and a box cover covers the plate body to protect the battery module.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to an energy storage battery plug-in box. Background Art

[0002] In order to save costs, most existing energy storage battery boxes directly use liquid cooling plates to fix the upper cover and battery modules. The overall structural strength is low, which makes the liquid cooling plates easily deformed or damaged by stress. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an energy storage battery plug-in box to prevent the liquid cooling plate from being deformed or damaged due to stress.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions: providing an energy storage battery box, including a box cover, a plate body and a battery module, the battery module is installed on the plate body, the box cover is recessed from the bottom to the top to form a accommodating space, the box cover is arranged on the plate body so that the battery module is located in the accommodating space, the plate body includes an upper frame, a liquid cooling plate and a bottom bracket arranged in sequence from top to bottom, the upper frame forms a battery installation interval, and the liquid cooling plate is exposed in the battery installation interval.

[0005] A further technical solution is as follows: the upper frame includes two relatively parallel side beams, a plurality of cross beams are arranged between the two side beams, the upper frame is divided by the cross beams to form the battery installation intervals, and the battery installation intervals correspond one-to-one to the batteries of the battery module.

[0006] Its further technical solution is: bolt holes for battery fixing bolts to pass through are opened on the crossbeam, two ends of the battery correspond to the two crossbeams, and connecting channels are provided at both ends of the battery corresponding to the bolt holes, and the ends of the battery fixing bolts are inserted into the bolt holes after passing through the connecting channels, so that the battery can be installed on the crossbeam.

[0007] Its further technical solution is: a plurality of through holes for the bottom bracket bolts to pass through are arranged on the edge of the liquid cooling plate, the bottom bracket includes two relatively parallel side frames, a plurality of connecting rods are horizontally arranged between the two side frames, and through holes are provided on the connecting rods at both ends of the bottom bracket and the side frames corresponding to the through holes, and the bottom bracket bolts pass through the through holes and the through holes in sequence and are fixedly connected to the upper frame.

[0008] A further technical solution is as follows: a side of the liquid cooling plate close to the battery module is coated with a heat-conducting structural adhesive layer.

[0009] A further technical solution is as follows: the side plate of the box cover is formed with a side edge in the horizontal direction away from the box cover, and a limiting block is provided on the side edge.

[0010] Its further technical solution is: an electrical interface panel is provided on the box cover, an electrical interface sealing plate is provided around the electrical interface panel, an electrical interface sealing foam layer is provided on one side of the electrical interface panel close to the accommodating space, and the electrical interface on the electrical interface panel is electrically connected to the battery module.

[0011] A further technical solution is as follows: a fire-fighting interface and a pressure relief port are installed on the box cover, and both the fire-fighting interface and the pressure relief port are connected to the accommodating space.

[0012] A further technical solution is that a sealing member is provided between the box cover and the plate body.

[0013] A further technical solution is as follows: an opening is provided on the box cover, and a maintenance panel is provided on the opening.

[0014] The beneficial technical effect of the utility model is that the energy storage battery plug-in box of the utility model is provided with a plate body including an upper frame, a liquid cooling plate and a bottom bracket which are arranged in sequence from top to bottom, so that the bottom bracket protects the liquid cooling plate to prevent the liquid cooling plate from being deformed or damaged by force, and the upper frame is provided to improve the overall structural strength of the plate body, and the upper frame is formed with a battery installation interval, and the liquid cooling plate is exposed in the battery installation interval, so as to facilitate heat dissipation of the battery module, and a box cover is also provided on the plate body to protect the battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic diagram of the structure of the energy storage battery box provided by the embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the exploded structure of the energy storage battery box provided in the embodiment of the utility model;

[0018] Figure 3 A schematic diagram of the structure of the plate body of the energy storage battery plug-in box provided in an embodiment of the utility model;

[0019] Figure 4 A schematic diagram of the exploded structure of the plate body of the energy storage battery box provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4 , Figure 1 A schematic structural diagram of an energy storage battery plug-in box provided in an embodiment of the utility model, the energy storage battery plug-in box comprises a box cover 11, a plate body 12 and a battery module 13, the battery module 13 is mounted on the plate body 12, the box cover 11 is recessed from the bottom to the top to form an accommodating space, the box cover 11 is covered on the plate body 12 so that the battery module 13 is located in the accommodating space, the plate body 12 comprises an upper frame 14, a liquid cooling plate 15 and a bottom bracket 16 arranged in sequence from top to bottom, the upper frame 14 forms a battery installation interval 141, and the liquid cooling plate 15 is exposed in the battery installation interval 141.

[0022] The box cover 11 can be made of sheet metal, and the box cover 11 can be detachably connected to the plate body 12 through a connector. The upper frame 14 and the bottom bracket 16 can be made of aluminum profiles, which are relatively low in cost. A liquid cooling nozzle 151 is provided at one end of the liquid cooling plate 15. There are two liquid cooling nozzles 151, so that the coolant is injected into the liquid cooling plate 15 through one of the liquid cooling nozzles 151 and then flows out from the other liquid cooling nozzle 151 to dissipate heat for the energy storage battery box. The liquid cooling nozzle 151 is located outside the box cover 11. The energy storage battery plug box is provided with a plate body 12 including an upper frame 14, a liquid cooling plate 15 and a bottom bracket 16 which are arranged in sequence from top to bottom, so that the bottom bracket 16 protects the liquid cooling plate 15 to prevent the liquid cooling plate 15 from being deformed or damaged by force. The upper frame is provided to improve the overall structural strength of the plate body 12, and the upper frame 14 is formed with a battery installation interval 141, and the liquid cooling plate 15 is exposed in the battery installation interval 141, so as to facilitate heat dissipation of the battery module 13. Moreover, a box cover 11 is also provided on the plate body 12 to protect the battery module 13.

[0023] Specifically, in this embodiment, the upper frame 14 includes two relatively parallel side beams 142, and a plurality of cross beams 143 are arranged between the two side beams 142. The upper frame 14 is divided by the cross beams 143 to form the battery installation intervals 141, and the battery installation intervals 141 correspond one-to-one to the batteries 131 of the battery module 13. Among them, the battery module 13 may include a plurality of batteries 131, and the battery installation intervals 141 correspond one-to-one to the batteries 131, which can speed up the heat dissipation. The end face of one end of the side beam 142 is provided with a frame end bolt 1001, so as to fix the position of the front end of the plate body 12 after the energy storage battery plug box is loaded into the container, thereby fixing the position of the energy storage battery plug box.

[0024] Specifically, the cross beam 143 is provided with bolt holes for the battery fixing bolts 101 to pass through, and the two ends of the battery 131 correspond to the two cross beams 143, and the two ends of the battery 131 are provided with connection channels corresponding to the bolt holes, and the ends of the battery fixing bolts 101 are inserted into the bolt holes after passing through the connection channels, so that the battery 131 is installed on the cross beam 143. In terms of the connection method, bolt connection is adopted to reduce welding and reduce costs.

[0025] Specifically, the edge of the liquid cooling plate 15 is provided with a plurality of through holes 152 for the bottom bracket bolts 1002 to pass through, the bottom bracket 16 includes two relatively parallel side frames 161, a plurality of connecting rods 162 are horizontally arranged between the two side frames 161, and the connecting rods 162 at both ends of the bottom bracket 16 and the side frames 161 are provided with through holes corresponding to the through holes 152, and the bottom bracket bolts 1002 are fixedly connected with the upper frame 14 after passing through the through holes and the through holes 152 in sequence, so that the bottom bracket 16, the liquid cooling plate 15 and the upper frame 14 are fixedly connected, and the liquid cooling plate 15 can be supported by a plurality of horizontally arranged connecting rods 162, reducing the risk of deformation or damage of the liquid cooling plate 15 under stress. Among them, in terms of the connection method, bolt connection is adopted to reduce welding and reduce costs. A hoisting hole 1601 is opened on the outer side of the side frame 161 of the bottom bracket 16 to facilitate hoisting of the energy storage battery plug box. An upper frame seal 145 is provided between the upper frame 14 and the liquid cooling plate 15 to seal and ensure the air tightness of the energy storage battery box. The upper frame seal 145 can be a sealant, a sealing pad or a sealing ring.

[0026] Specifically, a side of the liquid cooling plate 15 close to the battery module 13 is coated with a heat-conducting structural adhesive layer to form a thermal bridge between the liquid cooling plate 15 and the battery module 13, so as to better conduct the heat generated by the battery module 13 during operation to the liquid cooling plate 15, thereby controlling the temperature through the coolant of the liquid cooling plate 15.

[0027] Specifically, the side plate of the box cover 11 is formed with a side edge 111 in the horizontal direction in the direction away from the box cover 11, and a limit block 112 is provided on the side edge 111. There may be multiple limit blocks 112, and the limit blocks 112 may be respectively located at the middle and tail of the side edge 111 in the length direction of the box cover 11, so that after the energy storage battery plug box is loaded into the container, the limit blocks 112 cooperate with the mounting frame of the container to limit the degree of freedom of the middle and tail of the energy storage battery plug box, and define the position of the middle and tail of the energy storage battery plug box relative to the mounting frame of the container, so that the energy storage battery plug box can be installed on the mounting frame of the container more quickly and conveniently. A number of upper frame rivet bolts 1411 are evenly distributed on the side beam 142, and upper cover bolt holes 1111 are provided on the side edges 111 in the length direction of the box cover 11 corresponding to the upper frame rivet bolts 1411. The box cover 11 is fixed to the plate body 12 by passing the upper cover fixing bolts 102 through the upper cover bolt holes 1111 and into the upper frame rivet bolts 1411. The two ends of the limit block 112 are installed on the side edges 111 through the upper cover fixing bolts 102.

[0028] Specifically, the box cover 11 is provided with an electrical interface panel 113, and an electrical interface sealing plate 114 is provided around the electrical interface panel 113. A side of the electrical interface panel 113 close to the accommodating space is provided with an electrical interface sealing foam layer to play a sealing role. The electrical interface on the electrical interface panel 113 is electrically connected to the battery module 13. The electrical interface on the electrical interface panel 113 includes a battery positive electrode interface, a battery negative electrode interface and a communication interface. The electrical interface panel 113 and the electrical interface sealing plate 114 can be connected to the box cover 11 by corresponding bolts. An electrical installation block 1401 is provided at one end of the upper frame 14 close to the electrical interface panel 113. The electrical installation block 1401 is used for connecting elements to pass through so as to fix the electrical components on the electrical installation block 1401. The electrical interface can be electrically connected to the battery module 13 through the electrical components.

[0029] Specifically, the box cover 11 is provided with a fire interface 17 and a pressure relief port 18, and both the fire interface 17 and the pressure relief port 18 are connected to the accommodating space, so that when the battery has thermal runaway, firefighting gas can be sprayed from the fire interface 17 into the energy storage battery plug box to extinguish the fire; when the battery has thermal runaway and generates a large amount of gas, the pressure in the energy storage battery plug box can be quickly discharged through the pressure relief port 18 to prevent the energy storage battery plug box from bursting due to excessive internal pressure caused by thermal runaway. The fire interface 17 can be provided on a side panel at one end of the box cover 11, and the pressure relief port 18 can be provided on a side panel on one side of the box cover 11, and the fire interface 17 and the pressure relief port 18 are located on different side panels of the box cover 11.

[0030] Specifically, a sealing member 19 is provided between the box cover 11 and the plate body 12. The sealing member 19 is a sealing ring to play a sealing role and achieve the functions of dustproof and waterproof.

[0031] Specifically, the box cover 11 is provided with an opening 1101, and the opening 1101 is covered with a maintenance panel 116. The maintenance panel 116 is detachably connected to the box cover 11 through the maintenance panel fixing bolts 1004 and covers the opening, so that when an electrical fault occurs and the energy storage battery plug box needs to be maintained, the maintenance panel 116 can be removed to repair the electrical components inside the energy storage battery plug box, and the operation is convenient and simple. The opening can be located at one end of the box cover 11. A sealing foam layer is attached to one side of the maintenance panel 116 close to the accommodating space to play a sealing role. The maintenance panel 116 can be located on the side panel of the box cover 11 provided with the fire interface 17.

[0032] In summary, the energy storage battery plug-in box of the utility model is provided with a plate body including an upper frame, a liquid cooling plate and a bottom bracket which are arranged in sequence from top to bottom, so that the bottom bracket protects the liquid cooling plate to prevent the liquid cooling plate from being deformed or damaged by force, and the upper frame is provided to improve the overall structural strength of the plate body, and the upper frame is formed with a battery installation interval, and the liquid cooling plate is exposed in the battery installation interval, so as to facilitate heat dissipation of the battery module, and a box cover is also provided on the plate body to protect the battery module.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An energy storage battery box, characterized in that: It includes a box cover, a plate body and a battery module, the battery module is installed on the plate body, the box cover is recessed from the bottom to the top to form a accommodating space, the box cover is arranged on the plate body so that the battery module is located in the accommodating space, the plate body includes an upper frame, a liquid cooling plate and a bottom bracket arranged in sequence from top to bottom, the upper frame forms a battery installation interval, and the liquid cooling plate is exposed in the battery installation interval.

2. The energy storage battery box according to claim 1, characterized in that: The upper frame includes two relatively parallel side beams, a plurality of cross beams are arranged between the two side beams, and the upper frame is divided by the cross beams to form the battery installation intervals, and the battery installation intervals correspond one-to-one to the batteries of the battery module.

3. The energy storage battery box according to claim 2, characterized in that: The crossbeam is provided with bolt holes for battery fixing bolts to pass through, the two ends of the battery correspond to the two crossbeams, and the two ends of the battery are provided with connecting channels corresponding to the bolt holes, and the ends of the battery fixing bolts are inserted into the bolt holes after passing through the connecting channels, so that the battery can be installed on the crossbeam.

4. The energy storage battery box according to claim 1, characterized in that: The edge of the liquid cooling plate is provided with a plurality of through holes for the bottom bracket bolts to pass through, the bottom bracket includes two relatively parallel side frames, a plurality of connecting rods are horizontally arranged between the two side frames, and through holes are provided on the connecting rods at both ends of the bottom bracket and the side frames corresponding to the through holes, and the bottom bracket bolts pass through the through holes and the through holes in sequence and are fixedly connected to the upper frame.

5. The energy storage battery box according to claim 1, characterized in that: A side of the liquid cooling plate close to the battery module is coated with a heat-conducting structural adhesive layer.

6. The energy storage battery box according to claim 1, characterized in that: The side plate of the box cover is formed with a side edge in a horizontal direction away from the box cover, and a limiting block is arranged on the side edge.

7. The energy storage battery box according to claim 1, characterized in that: An electrical interface panel is provided on the box cover, an electrical interface sealing plate is provided around the electrical interface panel, an electrical interface sealing foam layer is provided on one side of the electrical interface panel close to the accommodating space, and the electrical interface on the electrical interface panel is electrically connected to the battery module.

8. The energy storage battery box according to claim 1, characterized in that: A fire-fighting interface and a pressure relief port are arranged on the box cover, and both the fire-fighting interface and the pressure relief port are communicated with the accommodating space.

9. The energy storage battery box according to claim 1, characterized in that: A sealing member is provided between the box cover and the plate body.

10. The energy storage battery box according to claim 1, characterized in that: The box cover is provided with an opening, and the upper cover of the opening is provided with a maintenance panel.

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