CN214254604U

CN214254604U - Lithium battery protection box

Info

Publication number: CN214254604U
Application number: CN202022079579.9U
Authority: CN
Inventors: 杨得坤; 乔旭浩; 蔡莹
Original assignee: Keyuan Tianjin Power Supply Components Co ltd
Current assignee: Keyuan Tianjin Power Supply Components Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-09-21
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a lithium battery protection box, which comprises a housin, the interior top fixedly connected with fastener of casing, the below of casing is provided with the bottom plate, the last fixed surface of bottom plate is connected with the movable rod, the expansion end fixedly connected with backup pad of movable rod, the upper surface of bottom plate and the outside fixedly connected with spring that is located the movable rod, the upper surface of bottom plate and the lower fixed surface of backup pad are connected are kept away from to the one end of spring, the surface of backup pad just is close to the fixedly connected with stopper of edge department about, the left inside wall fixedly connected with condenser of casing, the right side inside wall fixedly connected with temperature sensor of casing, the inside fixedly connected with heat preservation of casing. The utility model discloses, the device simple structure is reasonable, can solve the not enough of prior art well, and the lithium cell cools down, is favorable to improving the security of lithium cell work.

Description

Lithium battery protection box

Technical Field

The utility model relates to a battery protection equipment technical field especially relates to a lithium battery protection box.

Background

The lithium battery is a kind of battery using lithium metal or lithium alloy as positive/negative electrode material and using non-aqueous electrolyte solution, the lithium metal battery was proposed and researched by Gilbert N.Lewis at the earliest in 1912, and in the 70 s of 20 th century, M.S. Whittingham proposed and started to research the lithium ion battery, because the chemical property of the lithium metal is very active, the lithium metal has very high requirements for processing, storage and use, the lithium battery has become mainstream with the development of scientific technology, and in order to improve the safety of the lithium battery, a lithium battery protection box is proposed.

The lithium battery protection box in the prior art has some defects, such as poor damping effect, and a large amount of heat can be generated when the lithium battery is charged or used outdoors, so that the temperature of the lithium battery is too high, danger is easy to occur, and therefore, the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery protection box.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lithium battery protection box, includes the casing, the interior top fixedly connected with fastener of casing, the below of casing is provided with the bottom plate, the last fixed surface of bottom plate is connected with the movable rod, the expansion end fixedly connected with backup pad of movable rod, the upper surface of bottom plate and the outside fixedly connected with spring that is located the movable rod, the one end of spring is kept away from the upper surface of bottom plate and is connected with the lower fixed surface of backup pad, the surface of backup pad just is close to the fixedly connected with stopper of edge department about, the left side inside wall fixedly connected with condenser of casing, the right side inside wall fixedly connected with temperature sensor of casing, the right side inside wall of casing just is located temperature sensor's below fixedly connected with drying agent box, the inside fixedly connected with heat preservation of casing.

As a further description of the above technical solution:

the bottom fixedly connected with otic placode of casing, the locating hole has been seted up on the surface of otic placode, the lower surface of otic placode and the upper surface swing joint of bottom plate.

As a further description of the above technical solution:

the upper surface of bottom plate and the lower surface of otic placode have all seted up the draw-in groove, the inside swing joint of draw-in groove has the sealing washer, the material of sealing washer is made for the fluororubber material.

As a further description of the above technical solution:

the upper surface of the bottom plate and the positions close to the left side edge and the right side edge are both provided with threaded holes, the positions of the threaded holes correspond to the positioning holes, the surface of the lug plate is movably connected with screws, and one ends of the screws penetrate through the positioning holes and are movably connected with the inner parts of the threaded holes.

As a further description of the above technical solution:

the front fixedly connected with display screen of casing, the front of display screen just is close to lower right corner fixedly connected with button.

As a further description of the above technical solution:

the lower surface of fastener and the equal fixedly connected with protection of the upper surface of backup pad are filled up, the material that the protection was filled up is made for the silica gel material.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the lithium battery protection box has the advantages that the lithium battery is placed on the supporting plate, then the shell is fixedly connected with the bottom plate through the lug plates by using the screws, the lithium battery can be pressed and positioned in the fixing process, when the lithium battery is charged or used outdoors, a large amount of heat is generated, the temperature sensor detects that the temperature in the shell is too high, the condenser is controlled to refrigerate, the lithium battery is cooled, and simultaneously, the water vapor in the shell can be absorbed through the drying agent box to keep the interior of the shell in a dry state, when vibration is generated, the influence on the lithium battery is reduced to the minimum through the action of the spring and the movable rod, the device simple structure is reasonable, can solve the not enough of prior art well, and is effectual to the lithium cell cooling, is favorable to improving the security of lithium cell work.

2. Compared with the prior art, this lithium battery protection box can effectual improvement damping performance through setting up movable rod and spring, is favorable to improving the security of device.

Drawings

Fig. 1 is an elevation view of an internal structure of a lithium battery protection box according to the present invention;

fig. 2 is an elevation view of an external structure of a lithium battery protection box according to the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

Illustration of the drawings:

1. a housing; 2. a heat-insulating layer; 3. a fastener; 4. a protective pad; 5. a condenser; 6. a desiccant box; 7. A support plate; 8. a limiting block; 9. an ear plate; 10. a base plate; 11. a screw; 12. a threaded hole; 13. positioning holes; 14. a seal ring; 15. a movable rod; 16. a spring; 17. a display screen; 18. pressing a key; 19. a card slot; 20. a temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a pair of lithium battery protection box: comprises a shell 1, a clamping piece 3 is fixedly connected to the inner top of the shell 1 and plays a role of convenient positioning and clamping, a bottom plate 10 is arranged below the shell 1 and plays a role of convenient positioning and supporting, a movable rod 15 is fixedly connected to the upper surface of the bottom plate 10 and plays a role of convenient movement and expansion, a supporting plate 7 is fixedly connected to the movable end of the movable rod 15 and plays a role of convenient positioning and supporting, a spring 16 is fixedly connected to the upper surface of the bottom plate 10 and positioned outside the movable rod 15 and plays a role of convenient pressing and shock absorption, one end of the spring 16, far away from the upper surface of the bottom plate 10, is fixedly connected with the lower surface of the supporting plate 7, a limiting block 8 is fixedly connected to the surface of the supporting plate 7 and close to the left and right side edges and plays a role of convenient limiting position, a condenser 5 is fixedly connected to the left inner side wall of the shell 1 and plays a role of convenient refrigeration, and a temperature sensor 20 is fixedly connected to the right inner side wall of the shell 1, play the effect of conveniently detecting the temperature, the below fixedly connected with drying agent box 6 that the right side inboard wall of casing 1 just is located temperature sensor 20 plays the effect of absorbing vapor, and the inside fixedly connected with heat preservation 2 of casing 1 plays the effect that prevents the inside temperature rise of casing 1.

The bottom of the shell 1 is fixedly connected with an ear plate 9 which plays a role in positioning connection, the surface of the ear plate 9 is provided with a positioning hole 13, the lower surface of the ear plate 9 is movably connected with the upper surface of a bottom plate 10, the upper surface of the bottom plate 10 and the lower surface of the ear plate 9 are both provided with a clamping groove 19 which plays a role in convenient limiting, the inside of the clamping groove 19 is movably connected with a sealing ring 14 which plays a role in improving sealing performance, the sealing ring 14 is made of fluororubber, the upper surface of the bottom plate 10 is provided with threaded holes 12 close to the left and right side edges, the positions of the threaded holes 12 correspond to the positioning hole 13, the surface of the ear plate 9 is movably connected with a screw 11, one end of the screw 11 penetrates through the positioning hole 13 to be movably connected with the inside of the threaded hole 12, the front of the shell 1 is fixedly connected with a display screen 17, the front of the display screen 17 is fixedly connected with a key 18 close to the lower right corner, and plays a role in convenient parameter setting, the lower surface of fastener 3 and the equal fixedly connected with protection of the upper surface of backup pad 7 fill up 4, and the material that protection was filled up 4 is made for the silica gel material.

The working principle is as follows: during the use, through putting the lithium cell above backup pad 7, use screw 11 to carry out fixed connection with casing 1 through otic placode 9 and bottom plate 10 after that, can compress tightly the location with the lithium cell at fixed in-process, when the lithium cell is charging or when using outdoors, can produce a large amount of heats, temperature sensor 20 can detect the inside high temperature of casing 1 this moment, can control condenser 5 and refrigerate, cool down the lithium cell, can adsorb the inside vapor of casing 1 through drying agent box 6 simultaneously, make the inside state that keeps dry of casing 1, when producing the vibration, can reduce to minimumly through the effect of spring 16 and movable rod 15 to the influence of lithium cell.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments.

Claims

1. A lithium battery protection box comprises a shell (1), and is characterized in that: the inner top of the shell (1) is fixedly connected with a clamping piece (3), a bottom plate (10) is arranged below the shell (1), the upper surface of the bottom plate (10) is fixedly connected with a movable rod (15), the movable end of the movable rod (15) is fixedly connected with a supporting plate (7), the upper surface of the bottom plate (10) is fixedly connected with a spring (16) which is positioned at the outer side of the movable rod (15), one end of the spring (16) is far away from the upper surface of the bottom plate (10) and is fixedly connected with the lower surface of the supporting plate (7), the surface of the supporting plate (7) is fixedly connected with a limiting block (8) which is close to the left side edge and the right side edge, the left inner side wall of the shell (1) is fixedly connected with a condenser (5), the right inner side wall of the shell (1) is fixedly connected with a temperature sensor (20), the right inner side wall of the shell (1) is fixedly connected with a drying agent box (6) which is positioned below the temperature sensor (20), the heat-insulating layer (2) is fixedly connected inside the shell (1).

2. The lithium battery protection case according to claim 1, wherein: the bottom fixedly connected with otic placode (9) of casing (1), locating hole (13) have been seted up on the surface of otic placode (9), the lower surface of otic placode (9) and the upper surface swing joint of bottom plate (10).

3. The lithium battery protection case according to claim 1, wherein: draw-in groove (19) have all been seted up to the upper surface of bottom plate (10) and the lower surface of otic placode (9), the inside swing joint of draw-in groove (19) has sealing washer (14), the material of sealing washer (14) is made for the fluororubber material.

4. A lithium battery protection case according to claim 2, characterized in that: the upper surface of bottom plate (10) and be close to left and right side edge all seted up screw hole (12), the position and locating hole (13) of screw hole (12) are corresponding, the surperficial swing joint of otic placode (9) has screw (11), the inside swing joint of locating hole (13) and screw hole (12) is run through to the one end of screw (11).

5. The lithium battery protection case according to claim 1, wherein: the front fixedly connected with display screen (17) of casing (1), the front of display screen (17) just is close to lower right corner fixedly connected with button (18).

6. The lithium battery protection case according to claim 1, wherein: the lower surface of fastener (3) and the equal fixedly connected with protection of the upper surface of backup pad (7) are filled up (4), the material that the protection was filled up (4) is made for the silica gel material.