CN210535714U

CN210535714U - Heat preservation device for lithium battery pack

Info

Publication number: CN210535714U
Application number: CN201921354659.1U
Authority: CN
Inventors: 张海军
Original assignee: Hangzhou Nange Electronic Technology Co Ltd
Current assignee: Hangzhou Nange Electronic Technology Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-05-15
Anticipated expiration: 2029-08-20

Abstract

The utility model relates to a lithium battery technical field, and a heat preservation device for lithium battery group is disclosed, comprising a base plate, the same box of a plurality of buffer spring fixedly connected with is passed through to the upper end of bottom plate, the upper end fixedly connected with case lid of box, the spacing frame in bottom inner wall fixedly connected with bottom of box, the spacing frame in top inner wall fixedly connected with top of case lid, the joint has same lithium battery group between the spacing frame in bottom and the spacing frame in top, a plurality of L shape cardboards of the equal symmetrical fixedly connected with of four vertical lateral walls of box, the joint has same electric plate between a plurality of L shape cardboards that are located the homonymy, the lower extreme fixedly connected with of case lid is used for the locating plate of fixed electric plate, the inside of box has been seted up cavity and the cavity. The utility model discloses can carry out rapid heating up to the lithium battery group of placing in the box for lithium battery group also can be normal use in cold weather.

Description

Heat preservation device for lithium battery pack

Technical Field

The utility model relates to a lithium electricity battery technical field especially relates to a lithium electricity is heat preservation device for storage battery.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

The lithium battery is widely applied to automatic charging and discharging of batteries such as a diesel generator, a fire pump industry, a communication system, a railway system, a UPS (uninterrupted power supply), an electric power system, a direct-current uninterruptible power supply and the like due to high efficiency and wide service performance, and the lithium battery storage battery is widely applied as a movable power supply, but in cold weather, the chemical reaction rate of the storage battery force is greatly reduced due to the low-temperature influence, the internal resistance of the battery is increased, the starting power of the battery is greatly influenced, the provided power is limited, the storage battery cannot fully exert functions, and the use of the storage battery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art in chilly weather, the chemical reaction rate that has stored battery power that low temperature influences very big reduction has increased the battery internal resistance for the starting power of battery has received very big influence, and the power that provides is limited, can not make the battery exert abundant function, has influenced the problem of the use of battery, and the heat preservation device for lithium battery group who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat preservation device for lithium battery group, comprises a base plate, the same box of a plurality of buffer spring fixedly connected with is passed through to the upper end of bottom plate, the upper end fixedly connected with case lid of box, the spacing frame in bottom inner wall fixedly connected with bottom of box, the spacing frame in top inner wall fixedly connected with top of case lid, the joint has same lithium battery group between spacing frame in bottom and the spacing frame in top, a plurality of L shape cardboards of the equal symmetrical fixedly connected with of four vertical lateral walls of box are located a plurality of homonymies the joint has same electric plate between the L shape cardboard, the lower extreme fixedly connected with of case lid is used for the locating plate of fixed electric plate, the inside of box is seted up cavity and cavity internal fixation and is filled with thermal-insulated cotton.

Preferably, the equal fixedly connected with guide bar in upper end four corners department of bottom plate, the equal fixedly connected with cover of bottom outer wall of box is established the guide ring outside the guide bar.

Preferably, the lower extreme fixedly connected with ring structure's of case lid sealed piece, the seal groove of pegging graft is seted up with sealed piece correspondence to the upper end of box, fixedly connected with one deck sealing rubber pad in the seal groove.

Preferably, the side walls of the box cover and the box body are symmetrically provided with a plurality of positioning screw holes and are fixedly connected through positioning bolts.

Preferably, the outer wall of the box body is fixedly connected with a plurality of elastic anti-collision plates with arch structures.

Preferably, the upper end of the guide rod is fixedly connected with a fixing plate.

Compared with the prior art, the utility model provides a lithium electricity is heat preservation device for storage battery possesses following beneficial effect:

1. the heat preservation device for the lithium battery pack comprises a bottom limiting frame, the lithium battery pack is stably placed in a box body, an electric heating plate is placed on the inner side of an L-shaped clamping plate on the side wall of the box body to be stably clamped, a box cover is covered, the lithium battery pack can be stably and stably placed by utilizing the top limiting frame, the electric heating plate can be effectively placed by the arrangement of a positioning plate and the pressing and holding of the top of the box cover, the lithium battery pack placed in the box body can be rapidly heated by utilizing the electric heating plate, so that the lithium battery pack can be normally used in cold weather, the box body has excellent heat-insulating property due to heat-insulating cotton arranged in the box body, the box body can have excellent heat preservation effect to ensure the normal use of the lithium battery pack, and the junction of the box cover and the box body can also have excellent waterproof property due to the sealing block and the sealing groove which are arranged, is convenient for use.

2. This heat preservation device for lithium battery group battery through bottom plate and the buffer spring who is equipped with, when transportation lithium battery, the resilience force that utilizes buffer spring deformation to produce can carry out effectual buffering shock attenuation to lithium battery, avoids the problem that jolt vibrations that the transportation removed the in-process production caused lithium battery to damage easily.

3. This heat preservation device for lithium battery group, through the elasticity anticollision board that is equipped with, domes's elasticity anticollision board can make the box have better crashproof performance, and elasticity anticollision board single-point atress also can be with power fast dispersion to whole elasticity anticollision board on, has effectual anticollision performance, has avoided external force collision to cause the problem that lithium battery damaged easily.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out rapid heating up to the lithium battery group of placing in the box for lithium battery group also can be normal use in cold weather.

Drawings

Fig. 1 is a schematic structural view of a heat preservation device for a lithium battery pack according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of the heat preservation device for the lithium battery pack according to the present invention.

In the figure: the anti-collision box comprises a base plate 1, a buffer spring 2, a box body 3, a box cover 4, a bottom limiting frame 5, a top limiting frame 6, a lithium battery pack 7, an L-shaped clamping plate 8, an electric heating plate 9, a positioning plate 10, heat insulation cotton 11, a guide rod 12, a guide ring 13, a sealing block 14, a sealing groove 15, a positioning bolt 16 and an elastic anti-collision plate 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heat preservation device for lithium battery pack, comprising a base plate 1, the same box 3 of upper end through the same box of a plurality of buffer spring 2 fixedly connected with of bottom plate 1, the upper end fixedly connected with case lid 4 of box 3, the spacing frame 5 in bottom inner wall fixedly connected with bottom of box 3, the spacing frame 6 in top inner wall fixedly connected with top of case lid 4, the joint has same lithium battery pack 7 between spacing frame 5 in bottom and the spacing frame 6 in top, the equal symmetrical fixedly connected with a plurality of L shape cardboards 8 of four vertical lateral walls of box 3, the joint has same electric plate 9 between the a plurality of L shape cardboards 8 that are located the homonymy, the lower extreme fixedly connected with of case lid 4 is used for fixed electric plate 10 of electric plate 9, the inside of box 3 is seted up the cavity and the cavity internal.

The equal fixedly connected with guide bar 12 of upper end four corners department of bottom plate 1, the equal fixedly connected with cover of bottom outer wall of box 3 establishes the guide ring 13 outside guide bar 12, can make effectual spacing connection between bottom plate 1 and the box 3.

The lower extreme fixedly connected with annular structure's of case lid 4 sealed piece 14, the seal groove 15 that corresponds the grafting with sealed piece 14 is seted up to the upper end of box 3, and fixedly connected with one deck sealing rubber pad in the seal groove 15 can make case lid 4 also have outstanding waterproof heat-proof quality, convenient to use with the junction of box 3.

A plurality of positioning screw holes are symmetrically formed in the side walls of the box cover 4 and the box body 3 and are fixedly connected through positioning bolts 16, so that the box body 3 and the box cover 4 can be stably connected together.

The outer wall fixedly connected with of box 3 has a plurality of domes's elasticity anticollision board 17, and elasticity anticollision board 17 single-point atress also can be with power fast dispersion to whole elasticity anticollision board 17 on, has effectual anticollision performance, has avoided external force collision to cause the problem that lithium electricity battery damaged easily.

The upper end of the guide rod 12 is fixedly connected with a fixing plate.

In the utility model, when in use, the lithium battery pack 7 is stably placed in the box body 3 through the bottom limit frame 5, the electric heating plate 9 is placed at the inner side of the L-shaped clamping plate 8 on the side wall of the box body 3 for stable clamping, the box cover 4 is covered, the lithium battery pack 7 can be stably limited by the top limit frame 6, the lithium battery pack 7 can be stably placed, the electric heating plate 9 can be effectively placed by the arrangement of the positioning plate 10 and the pressing of the top of the box cover 4, the lithium battery pack 7 placed in the box body 3 can be rapidly heated by the electric heating plate 9, the lithium battery pack 7 can be normally used in cold weather, the heat insulation cotton 11 arranged in the box body 3 enables the box body 3 to have excellent heat insulation performance, so that the box body 3 can have excellent heat insulation effect to ensure the normal use of the lithium battery, through the sealing block 14 and the seal groove 15 that are equipped with can make case lid 4 also have outstanding waterproof heat-proof quality with the junction of box 3, and convenient to use, bottom plate 1 and buffer spring 2 through being equipped with, in the transportation lithium battery, the resilience force that utilizes 2 deformation of buffer spring to produce can carry out effectual buffering shock attenuation to lithium battery, the problem of avoiding the jolt vibrations that the transportation removal in-process produced to cause lithium battery to damage easily, through the elasticity anticollision board 17 that is equipped with, dome structure's elasticity anticollision board 17 can make box 3 have better crashworthiness, elasticity anticollision board 17 single-point atress also can be with power fast dispersion to whole elasticity anticollision board 17 on, effectual crashworthiness has, the problem that external force collision caused lithium battery to damage easily has been avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The heat preservation device for the lithium battery pack comprises a bottom plate (1) and is characterized in that the upper end of the bottom plate (1) is fixedly connected with the same box body (3) through a plurality of buffer springs (2), the upper end of the box body (3) is fixedly connected with a box cover (4), the bottom inner wall of the box body (3) is fixedly connected with a bottom limiting frame (5), the top inner wall of the box cover (4) is fixedly connected with a top limiting frame (6), the same lithium battery pack (7) is clamped between the bottom limiting frame (5) and the top limiting frame (6), a plurality of L-shaped clamping plates (8) are symmetrically and fixedly connected with four vertical side walls of the box body (3), the same electric heating plate (9) is clamped between the L-shaped clamping plates (8) positioned on the same side, and a positioning plate (10) used for fixing the electric heating plate (9) is fixedly connected with the lower end of the box cover, the box body (3) is internally provided with a cavity, and heat insulation cotton (11) is fixedly filled in the cavity.

2. The heat preservation device for the lithium battery pack as claimed in claim 1, wherein the guide rods (12) are fixedly connected to four corners of the upper end of the bottom plate (1), and the guide rings (13) sleeved outside the guide rods (12) are fixedly connected to the outer wall of the bottom of the box body (3).

3. The heat preservation device for the lithium battery pack according to claim 1, wherein a sealing block (14) with an annular structure is fixedly connected to the lower end of the box cover (4), a sealing groove (15) which is correspondingly inserted into the sealing block (14) is formed in the upper end of the box body (3), and a layer of sealing rubber gasket is fixedly connected into the sealing groove (15).

4. The heat preservation device for the lithium battery pack as claimed in claim 1, wherein the side walls of the box cover (4) and the box body (3) are symmetrically provided with a plurality of positioning screw holes and are fixedly connected through positioning bolts (16).

5. The insulation device for the lithium battery pack according to claim 1, wherein a plurality of elastic anti-collision plates (17) with arch structures are fixedly connected to the outer wall of the box body (3).

6. The insulation device for the lithium battery pack according to claim 2, wherein a fixing plate is fixedly connected to the upper end of the guide rod (12).