CN219144359U

CN219144359U - Protective device and sodium ion battery

Info

Publication number: CN219144359U
Application number: CN202223445274.0U
Authority: CN
Inventors: 董新义; 许志新
Original assignee: Shanghai Ensobo New Energy Technology Co ltd
Current assignee: Shanghai Ensobo New Energy Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-06
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a protection device and a sodium ion battery, and belongs to the technical field of battery protection devices. The protection device comprises a box shell assembly, a connecting and fixing assembly and a sodium ion battery body. The box shell assembly comprises a lower supporting shell, an outer shell, a top cover plate and a base plate, wherein the outer shell is arranged above the lower supporting shell, the top cover plate is positioned above the outer shell, a positioning strip groove is formed in the bottom of the lower supporting shell, a plurality of base plates are arranged on the bottom wall of the inner side of the lower supporting shell, ear plates are fixedly arranged on two sides of the top cover plate, and mounting holes are formed in the ear plates; the connecting and fixing assembly comprises a U-shaped slat, a threaded rod and a nut. The threaded rods at two ends of the U-shaped ribbon board correspondingly penetrate through the mounting holes in the lug plates, and the lower supporting shell, the outer shell and the top cover plate are integrally fixed by using nuts, so that the sodium ion battery is quickly mounted. And unscrewing the nut, and sequentially taking down the top cover plate and the outer casing to take out the sodium ion battery body placed above the lower support casing, so that the sodium ion battery can be quickly disassembled and assembled.

Description

Protective device and sodium ion battery

Technical Field

The utility model relates to the field of battery protection devices, in particular to a protection device and a sodium ion battery.

Background

The electrode material used in the sodium ion battery is mainly sodium salt, and compared with lithium salt, the electrode material has the advantages of more abundant reserves and lower price. The sodium ion battery can be well protected by adopting a mounting box outside. The utility model discloses a sodium ion battery protection device for publication number CN214254603U, including sodium ion battery, sodium ion battery's upper and lower both sides all are fixed with a plurality of groups heating panel, and have the heat dissipation space between two adjacent heating panels, the upper and lower both sides of heating panel all are equipped with the backup pad, and the backup pad is kept away from one side of sodium ion battery and is equipped with the locating plate, the guide bar is all installed to the corner that sodium ion battery one side was kept away from to the backup pad, and the one end of guide bar runs through and extends to the outside of locating plate. Above-mentioned sodium ion battery protection device has shock attenuation protection and shell protect function, but bottom plate, outline border and the lamina tecti in the outside installation case of current sodium ion battery adopt multiunit bolt to fix more, inconvenient battery to the installation incasement portion carries out quick assembly disassembly and changes.

Disclosure of Invention

In order to make up for the defects, the utility model provides a protection device and a sodium ion battery, and aims to solve the problems that a bottom plate, an outer frame plate and a top cover plate in an existing installation box outside the sodium ion battery are fixed by a plurality of groups of bolts, and the battery inside the installation box is inconvenient to disassemble, assemble and replace.

The utility model is realized in the following way:

the utility model provides a protection device which comprises a case assembly, a connecting and fixing assembly and a sodium ion battery body.

The box shell assembly comprises a lower supporting shell, an outer shell, a top cover plate and a base plate, wherein the outer shell is arranged above the lower supporting shell, the top cover plate is positioned above the outer shell, a positioning strip groove is formed in the bottom of the lower supporting shell, a plurality of base plates are arranged on the bottom wall of the inner side of the lower supporting shell, ear plates are fixedly arranged on two sides of the top cover plate, and mounting holes are formed in the ear plates;

the connecting and fixing assembly comprises U-shaped laths, threaded rods and nuts, wherein the U-shaped laths are sleeved at the bottom of the lower supporting shell and the outer side of the outer casing, the bottom sections of the U-shaped laths are clamped inside the positioning strip grooves, the bottom ends of the two threaded rods are respectively hinged with the two top ends of the U-shaped laths, and the threaded rods penetrate through the mounting holes and are fixedly connected with the nuts in a threaded manner;

the sodium ion battery body is arranged in a cavity formed by the lower support shell, the outer shell and the top cover plate.

In one embodiment of the utility model, the two sides of the lower supporting shell are respectively provided with a cover shell, the back of the cover shell is provided with a through hole, the back of the cover shell is provided with a filter screen, and a heat dissipation fan is arranged in the cover shell.

In one embodiment of the utility model, the middle parts of the two sides of the outer casing are respectively provided with a first air outlet, and the top of the top cover plate is provided with a second air outlet.

In one embodiment of the utility model, four corners of the bottom of the lower support shell are provided with adjusting support legs.

In one embodiment of the utility model, the adjusting support leg comprises a supporting leg block, a fixed block and a screw rod, wherein the fixed block is fixedly arranged at the bottom of the lower support shell, the top end of the screw rod is fixedly connected with the fixed block, and the bottom end of the screw rod is in threaded connection with the supporting leg block.

In an embodiment of the utility model, a groove is formed at the bottom of the supporting foot block, and an anti-slip pad is fixedly embedded in the groove.

In one embodiment of the utility model, a lock washer is provided between the nut and the ear plate.

The application also provides a sodium ion battery, which comprises the protective device.

The beneficial effects of the utility model are as follows: according to the protective device and the sodium ion battery, which are obtained through the design, when the protective device is used, the top cover plate is covered above the outer sleeve shell, the threaded rods at the two ends of the U-shaped ribbon board correspondingly penetrate through the mounting holes in the lug plates, and the lower support shell, the outer sleeve shell and the top cover plate are integrally fixed through the nuts, so that the sodium ion battery can be quickly mounted. And unscrewing the nut, and sequentially taking down the top cover plate and the outer casing to take out the sodium ion battery body placed above the lower support casing, so that the sodium ion battery can be quickly disassembled and assembled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a protecting device and a sodium ion battery according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a lower bracket shell, a heat dissipation fan and a housing provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of an adjusting leg structure according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a connection fixing assembly according to an embodiment of the present utility model.

In the figure: 10-a case assembly; 110-a lower support shell; 111-positioning strip grooves; 120-an outer sleeve; 121-a first air outlet; 130-top cover plate; 131-a second air outlet; 140-backing plate; 150-ear plates; 160-a heat dissipation fan; 170-a housing; 180-filtering the mixture; 190-adjusting the legs; 191-supporting foot blocks; 192-a fixed block; 193-screw; 20-connecting the fixed assembly; 210-U-shaped lath; 220-a threaded rod; 230-nut; 30-sodium ion battery body.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a protection device, which includes a case assembly 10, a connection fixing assembly 20 and a sodium ion battery body 30.

The case assembly 10 and the connection fixing assembly 20 are matched and fixed, so that the sodium ion battery body 30 can be well protected, and the sodium ion battery body 30 can be quickly disassembled and assembled.

Referring to fig. 1, 2 and 4, the case assembly 10 includes a lower tray 110, an outer case 120, a top cover 130 and a pad 140. The outer shell 120 is disposed above the lower shell 110, the top cover 130 is disposed above the outer shell 120, and a positioning slot 111 is disposed at the bottom of the lower shell 110. The plurality of pad plates 140 are disposed on the bottom wall of the inner side of the lower support shell 110, and the pad plates 140 can be soft heat-conducting silica gel sheets, so that not only has a good buffering protection effect, but also can rapidly conduct the heat of the sodium ion battery body 30 to the lower support shell 110 for outward emission. The top cover 130 is fixedly provided with an ear plate 150 on both sides, and the ear plate 150 is provided with a mounting hole. The connection fixing assembly 20 includes a U-shaped lath 210, a threaded rod 220, and a nut 230. The U-shaped lath 210 is sleeved at the bottom of the lower supporting shell 110 and the outer side of the outer shell 120, the bottom section of the U-shaped lath 210 is clamped inside the positioning strip groove 111, the bottom ends of the two threaded rods 220 are respectively hinged with the two top ends of the U-shaped lath 210, and the threaded rods 220 penetrate through the mounting holes and are fixedly connected with the nuts 230 in a threaded mode. A lock washer is provided between the nut 230 and the ear plate 150. The sodium ion battery body 30 is placed inside a cavity formed by the lower tray case 110, the outer case 120 and the top cover plate 130.

When the sodium ion battery needs to be mounted, the lower tray 110 is placed inside the U-shaped lath 210 in advance, and the bottom section of the U-shaped lath 210 is aligned with the positioning strip groove 111 at the bottom of the lower tray 110. The sodium ion battery body 30 is then placed over the lower housing 110, the jacket case 120 is then placed over the sodium ion battery body 30, and the lower housing 110 also holds the jacket case 120. Finally, the top cover plate 130 is covered above the outer casing 120, the threaded rods 220 at the two ends of the U-shaped ribbon board 210 correspondingly penetrate through the mounting holes on the lug plate 150, and the lower support casing 110, the outer casing 120 and the top cover plate 130 are integrally fixed by using the nuts 230, so that the rapid installation of the sodium ion battery is realized. The nut 230 is unscrewed, and the top cover plate 130 and the outer casing 120 are sequentially removed, so that the sodium ion battery body 30 placed above the lower support shell 110 can be taken out, and the quick assembly disassembly of the sodium ion battery can be realized.

In the above embodiment, referring to fig. 1 and 2, two sides of the lower bracket shell 110 are respectively provided with a casing 170, a through hole is formed on the back of the casing 170, a filter screen 180 is disposed on the back of the casing 170, and a heat dissipation fan 160 is installed inside the casing 170. The middle parts of two sides of the outer sleeve 120 are respectively provided with a first air outlet 121, and the top of the top cover plate 130 is provided with a second air outlet 131. The operating heat dissipation fan 160 pumps the external air into the housing 170 to blow the air to the outer surface of the sodium ion battery body 30, and the air with the overpressure is finally discharged from the first air outlet 121 and the second air outlet 131, so that the rapid cooling of the sodium ion battery body 30 is realized.

Further, referring to fig. 1 and 3, the bottom four corners of the lower bracket shell 110 are provided with adjusting legs 190. The adjusting support leg 190 comprises a supporting leg block 191, a fixing block 192 and a screw rod 193, wherein the fixing block 192 is fixedly arranged at the bottom of the lower supporting shell 110, the top end of the screw rod 193 is fixedly connected with the fixing block 192, and the bottom end of the screw rod 193 is in threaded connection with the supporting leg block 191. Rotating the support foot blocks 191 moves the support foot blocks 191 in a vertical direction along the screw rods 193, i.e., adjusts the height of each adjustment leg 190. The supporting leg block 191 is provided with a groove at the bottom, and an anti-slip pad is fixedly embedded in the groove, so that the supporting leg block 191 has a good anti-slip effect.

It should be noted that, the specific model specification of the heat dissipation fan 160 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted. The power supply of the heat dissipation fan 160 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The protection device and the sodium ion battery work principle: in use, when the sodium ion battery is required to be mounted, the lower tray 110 is placed inside the U-shaped lath 210 in advance, and the bottom section of the U-shaped lath 210 is aligned with the positioning strip groove 111 at the bottom of the lower tray 110. The sodium ion battery body 30 is then placed over the lower housing 110, the jacket case 120 is then placed over the sodium ion battery body 30, and the lower housing 110 also holds the jacket case 120. Finally, the top cover plate 130 is covered above the outer casing 120, the threaded rods 220 at the two ends of the U-shaped ribbon board 210 correspondingly penetrate through the mounting holes on the lug plate 150, and the lower support casing 110, the outer casing 120 and the top cover plate 130 are integrally fixed by using the nuts 230, so that the rapid installation of the sodium ion battery is realized. The nut 230 is unscrewed, and the top cover plate 130 and the outer casing 120 are sequentially removed, so that the sodium ion battery body 30 placed above the lower support shell 110 can be taken out, and the quick assembly disassembly of the sodium ion battery can be realized.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A protective device, comprising

The box shell assembly (10), box shell assembly (10) includes under hold in palm shell (110), overcoat shell (120), lamina tecti (130) and backing plate (140), overcoat shell (120) set up in under hold in the palm shell (110) top, lamina tecti (130) are located overcoat shell (120) top, under hold in the palm shell (110) bottom and be provided with location strip groove (111), polylith backing plate (140) set up in under hold in the palm shell (110) inboard diapire, lamina tecti (130) both sides are all fixed and are provided with otic placode (150), just be provided with the mounting hole on otic placode (150);

the connecting and fixing assembly (20), the connecting and fixing assembly (20) comprises U-shaped laths (210), threaded rods (220) and nuts (230), the U-shaped laths (210) are sleeved at the bottom of the lower supporting shell (110) and at the outer side of the outer sleeve shell (120), the bottom sections of the U-shaped laths (210) are clamped inside the positioning lath grooves (111), the bottom ends of the two threaded rods (220) are respectively hinged with the two top ends of the U-shaped laths (210), and the threaded rods (220) penetrate through the mounting holes to be fixedly connected with the nuts (230) in a threaded mode;

the sodium ion battery body (30), the sodium ion battery body (30) is placed in the cavity formed by the lower support shell (110), the outer sleeve shell (120) and the top cover plate (130).

2. The protection device according to claim 1, wherein the two sides of the lower supporting shell (110) are respectively provided with a cover shell (170), the back of the cover shell (170) is provided with a through hole, the back of the cover shell (170) is provided with a filter screen (180), and the inside of the cover shell (170) is provided with a heat dissipation fan (160).

3. A protection device according to claim 2, wherein the middle parts of two sides of the outer casing (120) are provided with first air outlets (121), and the top of the top cover plate (130) is provided with second air outlets (131).

4. A protective device according to claim 1, wherein the bottom four corners of the lower bracket shell (110) are provided with adjusting legs (190).

5. The protection device according to claim 4, wherein the adjusting leg (190) comprises a supporting leg block (191), a fixing block (192) and a screw rod (193), the fixing block (192) is fixedly arranged at the bottom of the lower supporting shell (110), the top end of the screw rod (193) is fixedly connected with the fixing block (192), and the bottom end of the screw rod (193) is in threaded connection with the supporting leg block (191).

6. The protection device according to claim 5, wherein the bottom of the supporting leg block (191) is provided with a groove, and an anti-slip pad is fixedly embedded in the groove.

7. A protective device according to claim 1, characterized in that a lock washer is arranged between the nut (230) and the ear plate (150).

8. Sodium-ion battery, characterized by comprising a protection device according to any one of claims 1-7.