CN218274955U - Battery low temperature storage device - Google Patents

Abstract

The utility model belongs to the technical field of batteries, and discloses a battery low-temperature storage device, which comprises a storage component, a battery rack and a refrigeration component, wherein the battery rack is arranged in the storage component and comprises a plurality of brackets arranged at intervals, and the brackets are configured to accommodate batteries; the refrigeration assembly is integrated in the storage assembly and is configured to refrigerate so that a low-temperature state can be kept in the storage assembly. Through the structure, the low-temperature storage device for the battery can provide a low-temperature environment, and the plurality of batteries are arranged at intervals, so that other batteries are influenced when a single battery is in safety accidents, and the safety of the battery and the low-temperature storage device for the battery is improved.

Description

Battery low temperature storage device

Technical Field

The utility model relates to a battery technology field especially relates to a battery low temperature storage device.

Background

In the battery field, lithium ion batteries have been put into mature commercial applications due to their advantages of good cycle performance, high energy density, high safety, long service life, etc., and are used in a plurality of fields such as digital products, electric vehicles, energy storage and electric tools. Various additives are generally included in the electrolyte of a commercial lithium ion battery, wherein a film forming additive of vinyl sulfate (DTD) can inhibit the initial capacity of the battery from decreasing, but the storage condition of the electrolyte containing the DTD additive is severe and requires storage at 10 ℃, otherwise the DTD additive is easily decomposed. Therefore, low-temperature storage is generally required for a battery using the electrolyte.

At present, the low-temperature storage device on the market is mainly applied to other fields, and because the battery has certain danger, need carry out specific protection in storage and loading operation process, avoid taking place that the thermal runaway takes place and stretch to other batteries, cause the heavy thermal runaway explosion phenomenon of single battery. Therefore, the low-temperature storage device in the market at present cannot be adapted to the battery, and a low-temperature storage device special for the battery is not available at present so as to perform safety protection on the battery.

Therefore, it is desirable to develop a low-temperature storage device for a battery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery low temperature storage device not only can satisfy the demand of battery low temperature storage, can also carry out certain security protection to the battery.

To achieve the purpose, the utility model adopts the following technical proposal:

a battery low temperature storage device, said battery low temperature storage device comprising:

a storage assembly;

a battery holder disposed within the storage assembly, the battery holder including a plurality of spaced apart brackets configured to receive a battery; and

the refrigeration assembly is integrated in the storage assembly and is configured to refrigerate so that the storage assembly can keep a low-temperature state.

Optionally, the bracket includes:

a support bar for accommodating the battery;

two stoppers respectively arranged at two ends of the support bar, wherein the stoppers are configured to limit the battery; and

and a buffer pad disposed on a side of the stopper facing the support bar, the buffer pad being configured to protect the battery.

Optionally, the support strip is provided with an accommodating groove, and the shape of the accommodating groove is matched with the shape of the battery.

Optionally, the battery rack further includes a fixing frame, the fixing frame is detachably connected to the storage assembly, and the plurality of brackets are disposed on the fixing frame at intervals.

Optionally, the plurality of battery racks are arranged in the storage assembly at intervals.

Optionally, the refrigeration assembly comprises:

the refrigerating piece is integrated in the storage assembly; and

the refrigeration layer sets up in the cold junction of above-mentioned refrigeration piece and towards the inside of above-mentioned storage subassembly, and above-mentioned refrigeration layer is configured to carry out the heat transfer with the above-mentioned cold junction of above-mentioned refrigeration piece to make above-mentioned storage subassembly internal temperature reduce.

Optionally, the refrigeration assembly further comprises:

the heat dissipation layer is arranged at the hot end of the refrigeration piece and faces the outside of the storage assembly, and the heat dissipation layer is configured to exchange heat with the hot end of the refrigeration piece so as to dissipate heat to the outside of the storage assembly.

Optionally, the refrigeration assembly further comprises:

and the storage battery is integrated in the storage assembly and is electrically connected with the refrigerating sheet.

Optionally, the storage assembly includes:

the battery rack is arranged in the box body; and

and the box cover is hermetically arranged on the box body, one end of the box cover is hinged to the box body, and the other end of the box cover is detachably connected to the box body.

Optionally, the storage assembly further includes a handle, and the handle is disposed on the box body.

The utility model has the advantages that:

the utility model provides a battery low temperature storage device, this battery low temperature storage device includes the storage subassembly, sets up the battery holder in the storage subassembly and the refrigeration subassembly that the integration set up in the storage subassembly, and the battery holder includes the bracket that a plurality of intervals set up, and the battery is placed on the bracket, makes and all leaves certain clearance between the battery cell, when the battery takes place the incident, has the clearance between the battery, has avoided the battery around to take place the incident, has improved the security of battery and battery low temperature storage device; and the refrigeration subassembly can refrigerate for keep low temperature state in the storage subassembly, can guarantee that the battery is saved in low temperature environment, and the storage in low temperature environment also can reduce the probability that the battery takes place the incident, has guaranteed the low temperature storage of battery.

Drawings

Fig. 1 is a schematic structural diagram of a low-temperature battery storage device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a storage assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a battery holder according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a refrigeration assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a case cover according to an embodiment of the present invention.

In the figure:

10. a storage assembly; 11. a box body; 12. a box cover; 13. a handle; 14. a seal member;

20. a battery holder; 21. a bracket; 211. supporting the strip; 2111. accommodating grooves; 212. a stopper; 213. a cushion pad; 22. a fixed mount;

30. a refrigeration assembly; 31. a refrigeration plate; 32. a refrigeration layer; 33. a heat dissipation layer; 34. and (4) a storage battery.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1, the present embodiment provides a low-temperature storage device for a battery, which is used for storing the battery requiring low-temperature storage. Specifically, the low-temperature storage device for the batteries comprises a storage assembly 10, a battery rack 20 and a refrigeration assembly 30 (not shown in the figure), wherein the battery rack 20 is arranged in the storage assembly 10, the battery rack 20 comprises a plurality of brackets 21 arranged at intervals, the brackets 21 can accommodate the batteries, and the brackets 21 are arranged at intervals, so that certain gaps are reserved among the single batteries; refrigeration subassembly 30 is integrated to be set up in storing subassembly 10, and refrigeration subassembly 30 can refrigerate for store the inside low temperature state that keeps of subassembly 10, and then can realize providing low temperature storage environment to the inside battery of storing subassembly 10, and refrigeration subassembly 30 and the integrated setting of storing subassembly 10 have improved space utilization.

Through above-mentioned structure, can realize the low temperature storage to the battery, and the interval sets up between the battery, and the condition that heat stretchs when having reduced the battery cell and taking place the incident takes place, has protected other batteries, and the storage of battery under low temperature environment also can reduce the probability that the battery took place the incident, has improved battery and battery low temperature storage device's security from many aspects, and space utilization is high.

In this embodiment, as shown in fig. 1 and 2, the storage assembly 10 includes a box 11 and a box cover 12, a battery rack 20 is disposed in the box 11, the box cover 12 is disposed on the box 11 in a sealing manner, one end of the box cover 12 is hinged to the box 11, the other end of the box cover 12 is detachably connected to the box 11, the storage of the battery can be realized, the box cover 12 and the box 11 are disposed in a sealing manner, gas and impurities harmful to the battery are prevented from entering the box 11, the isolation between the inside and the outside of the box 11 is ensured, one end of the box cover 12 is hinged to the box 11, the opening and closing of the storage assembly 10 can be realized, and the battery can be conveniently taken and placed. Optionally, in this embodiment, one of the other end of the case cover 12 and the case 11 is provided with a buckle, and the other is provided with a slot, and the buckle is clamped in the slot, so that the detachable connection between the other end of the case cover 12 and the case 11 can be realized. In other embodiments, the other end of the box 11 and the box cover 12 can be detachably connected by a detachable connection manner such as bolting, and is not limited in detail.

Optionally, the inner wall of the box 11 is provided with a heat insulation layer for insulating the interior of the storage assembly 10. Preferably, the heat-insulating layer can be made of polyurethane foaming heat-insulating materials, so that heat insulation of the battery and the storage component 10 can be realized.

Further, the storage assembly 10 further includes a handle 13, and the handle 13 is disposed on the box 11, so as to facilitate the carrying of the battery low-temperature storage device by a worker or a machine. Preferably, the two handles 13 are provided, and the two handles 13 are respectively provided at both sides of the cabinet 11, and a worker or a machine can easily lift the battery low temperature storage device by applying a force to the battery low temperature storage device through the two handles 13.

Still further, the storage assembly 10 further includes a sealing member 14, and the sealing member 14 is disposed on a side of the cover 12 facing the housing 11 for sealing the housing 11 and the cover 12.

In this embodiment, as shown in fig. 3, the bracket 21 includes a supporting bar 211, two stoppers 212, and a buffer pad 213, where the supporting bar 211 is used for accommodating a battery; the two stoppers 212 are respectively arranged at two ends of the supporting bar 211, so that the two ends of the battery can be limited; the buffer pad 213 is disposed on a side of the stopper 212 facing the supporting bar 211, so as to protect the battery. Preferably, the buffer pads 213 are made of a heat insulating material, so that after a certain battery has a safety problem due to collision, extrusion or performance problems, the buffer pads 213 can perform a certain heat insulating and blocking effect on the certain battery, thereby improving the safety of the low-temperature storage device for the battery. In the case of the hard-shell battery, since the cushion 213 is in contact with the tab in the case of thermal runaway of the battery, the cushion 213 is preferably made of a heat insulating material. Preferably, the stopper 212 is made of steel, so that the battery can be better blocked, and the safety of the low-temperature storage device of the battery can be improved.

Optionally, the supporting strip 211 is provided with a receiving groove 2111 for receiving a battery, and the shape of the receiving groove 2111 is adapted to the shape of the battery, so that the battery is better attached to the supporting strip 211. In this embodiment, the battery is the cylinder battery, and consequently holding groove 2111 is the U type structure, is convenient for hold the battery, and has certain limiting displacement to the battery. It is understood that in other embodiments, the shape of the receiving groove 2111 can be adaptively designed according to the shape of the battery, and is not particularly limited herein.

Further, as shown in fig. 3, the battery rack 20 further includes a fixing frame 22, the fixing frame 22 is detachably connected in the storage assembly 10, and the plurality of brackets 21 are disposed on the fixing frame 22 at intervals, so as to fix the battery rack 20. Specifically, the fixing frame 22 is a frame structure, two sides of which are provided with a plurality of fixing holes, and a fixing step is arranged in the box body 11 and passes through the fixing holes through fasteners to be fixedly connected with the fixing step. Preferably, the low-temperature storage device for the battery further comprises a telescopic assembly, wherein the telescopic assembly is connected between the box body 11 and the battery rack 20, so that the battery rack 20 can be connected in the box body 11 in a drawing manner, and the battery is more convenient to take and place.

Optionally, a plurality of battery racks 20 are provided, and the plurality of battery racks 20 are arranged in the storage assembly 10 at intervals, so that the storage capacity of the battery low-temperature storage device is improved.

In this embodiment, as shown in fig. 4, above-mentioned refrigeration subassembly 30 includes refrigeration piece 31 and refrigeration layer 32, and refrigeration piece 31 is integrated to be set up in storing subassembly 10, and refrigeration layer 32 sets up in the cold junction of refrigeration piece 31 and towards the inside of storing subassembly 10, and refrigeration layer 32 can carry out the heat transfer with the cold junction of refrigeration piece 31 for the temperature of refrigeration layer 32 reduces, and then makes the inside temperature reduction of storing subassembly 10, and continuously keeps the low temperature state. Further, the refrigeration assembly 30 further includes a heat dissipation layer 33 disposed at the hot end of the refrigeration sheet 31 and facing the outside of the storage assembly 10, and the heat dissipation layer 33 may exchange heat with the hot end of the refrigeration sheet 31, so that heat may be dissipated from the refrigeration sheet 31 to the outside of the storage assembly 10.

Optionally, the refrigeration plate 31 is made of a semiconductor material, so that the refrigeration effect can be realized. Preferably, the refrigeration sheet 31 is a peltier sheet, and has a good refrigeration effect and a small volume.

Further optionally, the inside of the refrigeration layer 32 is filled with a refrigerant fluid, so that the heat exchange rate between the refrigeration layer 32 and the refrigeration fins 31 can be increased. Optionally, the heat dissipation layer 33 and the inner wall of the storage assembly 10 may be made of aluminum, so that the heat conduction effect is good, and the heat dissipation layer is used as the outer layer and the inner layer of the box body 11 and has a certain strength.

Still further, as shown in fig. 2, the refrigeration assembly 30 further includes a storage battery 34, the storage battery 34 is integrally disposed in the storage assembly 10, the storage battery 34 is electrically connected to the refrigeration sheet 31, and electric quantity is stored in the storage battery 34, so that continuity of the low-temperature storage device of the battery to the low-temperature state of the battery can be realized, the battery is more convenient to transport, and low-temperature storage of the battery by the low-temperature storage device of the battery can be ensured in the transportation process. Specifically, refrigeration subassembly 30 is integrated to be set up in box 11, and battery 34 is integrated to be set up in case lid 12, and the wire is sealed to be worn to locate box 11 and case lid 12 articulated one end, avoids the wire to put indiscriminately and causes the external damage, and then has improved this battery low temperature storage device's life. Preferably, as shown in fig. 5, the storage battery 34 is provided with a charging port, the charging port is arranged at one end of the box cover 12, and the charging port is connected with an external power supply to charge the storage battery 34, so that the continuous use of the low-temperature storage device for the battery is ensured, and the service life of the low-temperature storage device for the battery is prolonged.

Preferably, the refrigeration assembly 30 is further provided with a switch, and the switch can control the on-off of the circuit between the storage battery 34 and the refrigeration sheet 31.

In this embodiment, when the low-temperature storage device for batteries is required to store the batteries at low temperature, the switch is firstly closed, so that the refrigeration assembly 30 performs work pre-refrigeration, then the plurality of batteries are sequentially placed in the box body 11, and are fixed and limited by the bracket 21, so that the box cover 12 can be closed for storage after the batteries are not easy to shake; moreover, the storage battery 34 continuously supplies energy to the refrigeration piece 31, so that the refrigeration piece 31 refrigerates the refrigeration liquid in the refrigeration layer 32, the refrigeration liquid is utilized to keep the internal part of the box body 11 at a lower ambient temperature, and the heat at the hot end of the refrigeration piece 31 during refrigeration work is led out through the heat dissipation outer plate, so that the refrigeration piece 31 is protected, the service life of the refrigeration assembly 30 is prolonged, and the service life of the battery low-temperature storage device is prolonged; and treat that the accessible charges the mouth when battery 34 electric quantity is not enough and charge, convenient and fast, the long distance transportation of being convenient for is carried.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A low temperature storage device for a battery, the low temperature storage device comprising:

a storage assembly (10);

a battery holder (20) disposed within the storage assembly (10), the battery holder (20) including a plurality of spaced apart brackets (21), the brackets (21) configured to receive a battery; and

a refrigeration assembly (30) integrally disposed within the storage assembly (10), the refrigeration assembly (30) configured to enable refrigeration to maintain a cryogenic state within the storage assembly (10).

2. The battery low temperature storage device according to claim 1, wherein the bracket (21) includes:

a carrier strip (211) for receiving the battery;

the two stoppers (212) are respectively arranged at two ends of the supporting strip (211), and the stoppers (212) are configured to limit the battery; and

a buffer pad (213) disposed on a side of the stopper (212) facing the bar (211), the buffer pad (213) being configured to protect the battery.

3. The low-temperature storage device for the battery as claimed in claim 2, wherein the support strip (211) is provided with a receiving groove (2111), and the shape of the receiving groove (2111) is matched with the shape of the battery.

4. The low-temperature battery storage device according to claim 2, wherein the battery holder (20) further comprises a fixing frame (22), the fixing frame (22) is detachably connected to the storage assembly (10), and a plurality of brackets (21) are arranged on the fixing frame (22) at intervals.

5. The low-temperature battery storage device according to any one of claims 1 to 4, wherein a plurality of battery racks (20) are provided, and a plurality of battery racks (20) are arranged in the storage assembly (10) at intervals.

6. The battery cryogenic storage device of any of claims 1-4, the refrigeration assembly (30) comprising:

the refrigerating sheet (31) is integrally arranged in the storage component (10); and

refrigeration layer (32), set up in the cold junction of refrigeration piece (31) and orientation the inside of storing subassembly (10), refrigeration layer (32) are configured as can with refrigeration piece (31) the cold junction carries out the heat transfer, so that temperature reduction in the storage subassembly (10).

7. The battery cryogenic storage device of claim 6, the refrigeration assembly (30) further comprising:

the heat dissipation layer (33) is arranged at the hot end of the refrigeration piece (31) and faces the outside of the storage assembly (10), and the heat dissipation layer (33) is configured to exchange heat with the hot end of the refrigeration piece (31) so as to dissipate heat to the outside of the storage assembly (10).

8. The battery cryogenic storage device of claim 6, the refrigeration assembly (30) further comprising:

the storage battery (34) is integrally arranged in the storage assembly (10), and the storage battery (34) is electrically connected to the refrigeration sheet (31).

9. The battery cryogenic storage device of any of claims 1-4, the storage assembly (10) comprising:

the battery rack (20) is arranged in the box body (11); and

the box cover (12) is arranged on the box body (11) in a sealing mode, one end of the box cover (12) is hinged to the box body (11), and the other end of the box cover (12) is detachably connected to the box body (11).

10. The battery cryogenic storage device of claim 9, the storage assembly (10) further comprising a handle (13), the handle (13) being disposed on the tank (11).

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