CN210668506U

CN210668506U - Waterproof structure of lithium battery pack

Info

Publication number: CN210668506U
Application number: CN201922247789.1U
Authority: CN
Inventors: 胡林; 王彩峰; 陈焕英
Original assignee: Jiujiang Cetra New Energy Technology Co ltd
Current assignee: Jiujiang Cetra New Energy Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-06-02
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a lithium cell group waterproof construction, which comprises a fixing plate and i, fixed plate lower extreme fixed mounting has lift watertight fittings, fixed plate upper end fixed mounting has the guard box, equal fixed mounting has the rubber pad on the inner wall all around the guard box, the inside fixed mounting of guard box has the group battery, guard box upper end fixed mounting has seal assembly, guard box left end fixed mounting has drain pipe and right-hand member fixed mounting to have the inlet tube, guard box front end lower part fixed mounting has the apron. A lithium cell group waterproof construction, through setting up lift watertight fittings, can make this waterproof construction carry out water proof protection to its inside lithium cell group in the installation environment, avoid having water infiltration wherein, and the water-cooled tube of installation can initiatively dispel the heat to lithium cell group in the protective housing, avoid it can't dispel the heat under sealed environment, make the life of lithium cell group reduce, this waterproof construction is firm, the practicality is strong.

Description

Waterproof structure of lithium battery pack

Technical Field

The utility model relates to a lithium battery equipment field, in particular to lithium cell group waterproof construction.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, along with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increased day by day, the lithium battery enters a large-scale practical stage, the application of the lithium battery is very wide, so a waterproof structure is needed to protect the lithium battery under certain environments, the assembly of the currently used lithium battery pack waterproof structure is too simple and not firm enough, the conditions of water leakage and water seepage often occur when the lithium battery pack is sealed, and the waterproof structures have no external waterproof structure, so that the whole structure can not prevent a battery protection box from contacting with water, so that the whole structure has certain potential safety hazard, and the waterproof structures are not provided with a heat dissipation mechanism after the lithium battery pack is sealed, so that the lithium battery pack can not dissipate heat under the condition of complete sealing, the service life of the lithium battery pack is shortened, so that a novel lithium battery pack waterproof structure is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a lithium battery pack waterproof structure, which can effectively solve the problems of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a lithium cell group waterproof construction, includes the fixed plate, fixed plate lower extreme fixed mounting has lift watertight fittings, fixed plate upper end fixed mounting has the guard box, equal fixed mounting has the rubber pad on the inner wall all around the guard box, the inside fixed mounting of guard box has the group battery, guard box upper end fixed mounting has seal assembly, guard box left end fixed mounting has drain pipe and right-hand member fixed mounting has the inlet tube, guard box front end lower part fixed mounting has the apron.

Preferably, the guard box includes the box, fixed mounting has the otter board between the left tank wall of box and the right tank wall, otter board lower extreme fixed mounting has a plurality of water-cooled tubes, fixedly connected with siphunculus between the water-cooled tube, water-cooled tube lower extreme fixedly connected with baffle, the lower wall of guard box from left to right in proper order fixed mounting have water tank and water pump box, water tank left end and drain pipe fixed connection, water pump box right-hand member and inlet tube fixed connection, water tank right-hand member fixedly connected with drinking-water pipe, and drinking-water pipe right-hand member and water pump box fixed connection, the guard box passes through box fixed mounting in the fixed plate upper end.

Preferably, lift watertight fittings includes the bottom plate, the mounting hole that link up from top to bottom has all been opened in bottom plate upper end four corners, bottom plate upper end middle part fixed mounting has the telescopic link, telescopic link front end fixedly connected with adjusting bolt, telescopic link upper end fixed mounting has the backup pad, the equal fixed mounting in backup pad upper end four corners has the screw thread to detain, lift watertight fittings detains the fixed mounting at the fixed plate lower extreme through the screw thread.

Preferably, seal assembly includes shrouding and seal frame, shrouding upper end fixed mounting has the handle, shrouding lower extreme fixedly connected with seals the body, the seal groove has all been opened to guard box upper end and shrouding lower extreme, the guard box upper end all is in the same place through seal groove and seal frame fixed connection with the shrouding lower extreme.

Preferably, the size of the sealing groove at the upper end of the protection box is the same as that of the sealing groove at the lower end of the sealing plate, the depth of the sealing groove is half of the high end of the sealing frame, and the size of the cross section of the sealing body is the same as that of the cross section of the hollow part at the upper end of the protection box.

Preferably, one end of the water tank far away from the water discharge pipe is fixedly connected with the leftmost water-cooled tube, one end of the water pump tank far away from the water inlet pipe is fixedly connected with the rightmost water-cooled tube, the water-cooled tubes are communicated with each other through a through pipe, and the left end and the right end of the partition plate are fixedly connected with the left tank wall and the right tank wall of the tank body respectively.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the sealing assembly is arranged on the whole structure, and the sealing frame can tightly seal the lithium battery pack in the protection box under the matching use with the sealing groove, so that the conditions of water leakage and water seepage of the protection box are avoided, and the practicability of the whole structure is improved;

2. the detachable lifting waterproof device is arranged on the whole structure, and the telescopic rod can lift the lithium battery pack to a high degree under the adjustment of the adjusting bolt, so that the lithium battery pack is convenient to use flexibly and can be prevented from contacting with water, and the flexibility and the safety of the whole structure are improved;

3. through set up the water-cooling pipe in the protection box inside and carry out the hydrologic cycle heat dissipation, can ensure that lithium cell group also can dispel the heat under sealed condition, avoid it to appear damaging because of long-time work is unable to dispel the heat, improved the life of lithium cell group.

Drawings

Fig. 1 is a schematic view of the overall structure of a lithium battery pack waterproof structure according to the present invention;

fig. 2 is a cross-sectional view of a protection box of a waterproof structure of a lithium battery pack according to the present invention;

fig. 3 is a schematic view of the overall structure of a lifting waterproof device of a lithium battery pack waterproof structure of the present invention;

fig. 4 is the utility model relates to a lithium cell group waterproof construction's seal assembly's overall structure schematic diagram.

In the figure: 1. a fixing plate; 2. a seal assembly; 3. a lifting waterproof device; 4. a protection box; 5. a cover plate; 7. a water inlet pipe; 8. a battery pack; 9. a drain pipe; 10. a rubber pad; 21. a sealing groove; 22. a handle; 23. closing the plate; 24. sealing the body; 25. a sealing frame; 31. a base plate; 32. mounting holes; 33. screwing; 34. adjusting the bolt; 35. a support plate; 36. a telescopic rod; 41. a box body; 42. a screen plate; 43. pipe passing; 44. a water-cooled tube; 45. a water pump tank; 46. a water tank; 47. a water pumping pipe; 48. a separator.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-4, a lithium battery pack waterproof structure comprises a fixing plate 1, a lifting waterproof device 3 is fixedly mounted at the lower end of the fixing plate 1, a protection box 4 is fixedly mounted at the upper end of the fixing plate 1, rubber pads 10 are fixedly mounted on the front, rear, left and right inner walls of the protection box 4, a battery pack 8 is fixedly mounted inside the protection box 4, a sealing assembly 2 is fixedly mounted at the upper end of the protection box 4, a drain pipe 9 and a water inlet pipe 7 are fixedly mounted at the left end of the protection box 4, and a cover plate 5 is fixedly mounted at the lower part of the front.

The protection box 4 comprises a box body 41, a screen plate 42 is fixedly installed between the left box wall and the right box wall of the box body 41, a plurality of water cooling pipes 44 are fixedly installed at the lower end of the screen plate 42, through pipes 43 are fixedly connected between the water cooling pipes 44, partition plates 48 are fixedly connected at the lower ends of the water cooling pipes 44, a water tank 46 and a water pump box 45 are fixedly installed on the lower box wall of the protection box 4 from left to right in sequence, a water pump is fixedly installed in the water pump box 45 and can accelerate the water circulation heat dissipation, the left end of the water tank 46 is fixedly connected with a drain pipe 9, the right end of the water pump box 45 is fixedly connected with a water inlet pipe 7, a water pumping pipe 47 is fixedly connected at the right end of the water tank 46, the right end of the; the lifting waterproof device 3 comprises a bottom plate 31, four corners of the upper end of the bottom plate 31 are provided with vertically through mounting holes 32, the middle part of the upper end of the bottom plate 31 is fixedly provided with an expansion link 36, the front end of the expansion link 36 is fixedly connected with an adjusting bolt 34, the upper end of the expansion link 36 is fixedly provided with a support plate 35, four corners of the upper end of the support plate 35 are fixedly provided with threaded buckles 33, the threaded buckles 33 can enable the lifting waterproof device 3 to be detached from the fixed plate 1, flexibility of the whole structure in use is improved, and the lifting waterproof device 3 is fixedly mounted at the lower end of the fixed; the sealing assembly 2 comprises a sealing plate 23 and a sealing frame 25, the sealing frame 25 is made of rubber materials, so that the sealing body 24 can be sealed more tightly when the protection box 4 is sealed, a handle 22 is fixedly arranged at the upper end of the sealing plate 23, the sealing body 24 is fixedly connected to the lower end of the sealing plate 23, sealing grooves 21 are respectively formed at the upper end of the protection box 4 and the lower end of the sealing plate 23, and the upper end of the protection box 4 and the lower end of the sealing plate 23 are fixedly connected with the sealing frame 25 through the sealing grooves 21; the size of the sealing groove 21 at the upper end of the protection box 4 is the same as that of the sealing groove 21 at the lower end of the sealing plate 23, the depth of the sealing groove is half of the high end of the sealing frame 25, and the size of the cross section of the sealing body 24 is the same as that of the cross section of the hollow part at the upper end of the protection box 4; the end of the water outlet pipe 9 far away from the water tank 46 is fixedly connected with the leftmost water-cooling pipe 44, the end of the water inlet pipe 7 far away from the water pump tank 45 is fixedly connected with the rightmost water-cooling pipe 44, the water-cooling pipes 44 are communicated with each other through a through pipe 43, and the left end and the right end of the partition plate 48 are fixedly connected with the left tank wall and the right tank wall of the tank body 41 respectively.

It should be noted that, the utility model relates to a lithium battery pack waterproof structure, in the using process, the battery pack 8 is put into the protection box 4, when the lifting waterproof device 3 needs to be assembled on the protection box 4, the thread buckle 33 in the lifting waterproof device 3 can be screwed with the fixed plate 1, then the whole structure is fixed in the working area through the mounting hole 32 on the upper end of the bottom plate 31, the sealing frame 25 in the sealing component 2 is clamped in the sealing groove 21 on the upper end of the protection box 4, the sealing groove 21 on the lower end of the sealing plate 23 is aligned to the upper end of the sealing frame 25 and the sealing body 24 is inserted into the hollow part on the upper end of the protection box 4, the battery pack 8 is sealed, when the water tendril is in the working environment, the telescopic rod 36 can be extended through the adjusting bolt 34, so that the protection box 4 can be lifted, when the battery pack 8 needs to be cooled for a long time, water pump in the accessible water pump case 45 makes inlet tube 7 begin to put water in to water-cooled tube 44, and water between the water-cooled tube 44 can transmit through siphunculus 43, flows back water tank 46 from drain pipe 9 at last and forms a hydrologic cycle heat dissipation and carries out the heat dissipation that does not stop to the group battery 8 of otter board 42 upper end, and whole simple structure is firm, and the practicality is strong, is favorable to the use in the waterproof work of lithium cell group.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a lithium cell group waterproof construction, includes fixed plate (1), its characterized in that: fixed plate (1) lower extreme fixed mounting has lift watertight fittings (3), fixed plate (1) upper end fixed mounting has guard box (4), equal fixed mounting has rubber pad (10) on the inner wall all around on guard box (4), the inside fixed mounting of guard box (4) has group battery (8), guard box (4) upper end fixed mounting has seal assembly (2), guard box (4) left end fixed mounting has drain pipe (9) and right-hand member fixed mounting has inlet tube (7), guard box (4) front end lower part fixed mounting has apron (5).

2. The lithium battery pack waterproof structure according to claim 1, wherein: the protection box (4) comprises a box body (41), a screen plate (42) is fixedly arranged between the left box wall and the right box wall of the box body (41), a plurality of water-cooling tubes (44) are fixedly arranged at the lower end of the screen plate (42), a through tube (43) is fixedly connected between the water-cooling tubes (44), the lower end of the water cooling pipe (44) is fixedly connected with a partition plate (48), the lower box wall of the protective box (4) is fixedly provided with a water tank (46) and a water pump box (45) from left to right, the left end of the water tank (46) is fixedly connected with the drain pipe (9), the right end of the water pump tank (45) is fixedly connected with the water inlet pipe (7), the right end of the water tank (46) is fixedly connected with a water pumping pipe (47), and the right end of the water pumping pipe (47) is fixedly connected with the water pump box (45), and the protection box (4) is fixedly installed at the upper end of the fixing plate (1) through the box body (41).

3. The lithium battery pack waterproof structure according to claim 1, wherein: lift watertight fittings (3) include bottom plate (31), mounting hole (32) that link up from top to bottom have all been opened in bottom plate (31) upper end four corners, bottom plate (31) upper end middle part fixed mounting has telescopic link (36), telescopic link (36) front end fixedly connected with adjusting bolt (34), telescopic link (36) upper end fixed mounting has backup pad (35), the equal fixed mounting in backup pad (35) upper end four corners has the screw thread to detain (33), lift watertight fittings (3) detain (33) fixed mounting at fixed plate (1) lower extreme through the screw thread.

4. The lithium battery pack waterproof structure according to claim 1, wherein: seal assembly (2) are including shrouding (23) and seal frame (25), shrouding (23) upper end fixed mounting has handle (22), shrouding (23) lower extreme fixedly connected with seals body (24), seal groove (21) have all been opened to guard box (4) upper end and shrouding (23) lower extreme, guard box (4) upper end all is in the same place through seal groove (21) and seal frame (25) fixed connection with shrouding (23) lower extreme.

5. The lithium battery pack waterproof structure according to claim 4, wherein: the sealing groove (21) at the upper end of the protection box (4) is the same as the sealing groove (21) at the lower end of the sealing plate (23) in size, the depth of the sealing groove is half of the high end of the sealing frame (25), and the cross section of the sealing body (24) is the same as the cross section of the hollow-out part at the upper end of the protection box (4).

6. The lithium battery pack waterproof structure according to claim 2, wherein: the water pump is characterized in that one end, far away from the water tank (46), of the water discharging pipe (9) is fixedly connected with the leftmost water-cooled tube (44), one end, far away from the water pump box (45), of the water inlet pipe (7) is fixedly connected with the rightmost water-cooled tube (44), the water-cooled tubes (44) are communicated with one another through a through pipe (43), and the left end and the right end of the partition plate (48) are fixedly connected with the left box wall and the right box wall of the box body (41) respectively.