CN210897395U

CN210897395U - Lithium battery module with high temperature

Info

Publication number: CN210897395U
Application number: CN201921889990.3U
Authority: CN
Inventors: 温瑜卿; 刘政梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-06-30
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to the technical field of battery modules, in particular to a lithium battery module with high temperature, which comprises a module box, wherein the module box is of a box-type structure with a cavity, the side wall of the module box is of a double-layer structure with an interlayer, a heating block is arranged in the interlayer, a box cover is fixedly arranged at the opening of the module box through bolts, a positive connecting post and a negative connecting post are arranged on the box cover, a battery bin is arranged inside the module box, a plurality of battery tanks are arranged on the battery bin, a battery monomer is arranged in each battery tank, the lithium battery module with high temperature can directly and effectively cool the inside of the battery module through a water cooling mode by matching with the heating block additionally arranged inside the interlayer in the working process, and the phenomena of short circuit, even burning and the like caused by heating are avoided, effectively preheat battery module inside through heating the water bath when low temperature, guaranteed battery module's working effect.

Description

Lithium battery module with high temperature

Technical Field

The utility model relates to a battery module technical field specifically is a lithium cell module with high temperature.

Background

The battery is a small device capable of converting chemical energy into electric energy, when the battery is used as an energy supply source, stable voltage can be obtained, stable supply is realized for a long time, and stable current which is slightly influenced by the outside world is realized.

The lithium battery module used at present still has certain defect:

present lithium battery module, lack even effectual temperature regulating device, its inside produced a large amount of heats can not be dispelled and can cause the module to heat up rapidly when using for a long time, the mode of operation under the long-time high temperature can lead to the circuit ageing, the short circuit burns out the emergence of phenomenon such as even, the life of battery module has seriously been influenced, and battery module need carry out certain preheating at low temperature environment during operation, direct use that does not preheat can seriously influence the electric energy conversion efficiency of battery module, and then influence its working effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell module with high temperature to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides a lithium battery module with high temperature, includes the module case, the box structure of module case for having the cavity, and the lateral wall of module case is the bilayer formula structure who has the intermediate layer, be provided with the heating piece in the intermediate layer, the opening part of module case has the case lid through bolt fixed mounting, be provided with anodal post and negative pole post on the case lid, the inside of module case is provided with the battery compartment, a plurality of battery jars have been seted up on the battery compartment, every a battery monomer has all been placed in the battery jar, the upper portion of battery compartment is fixed mounting still has the plate electrode, and is provided with the anodal splicing and the negative pole splicing of the copper foil material of putting mutually spaced on the plate electrode, anodal splicing and the free anodal electric connection of battery, negative pole splicing and the free negative pole electric connection of battery.

As a further aspect of the present invention: the plate electrode is of a plate-shaped structure made of rubber insulation materials, two long-strip-shaped clamping grooves are formed in the plate electrode, and the plate electrode is connected with the positive electrode connecting piece and the negative electrode connecting piece in a clamped mode through the clamping grooves.

As a further aspect of the present invention: the battery compartment is made of rubber, and the side wall of the battery compartment is uniformly provided with heat dissipation windows communicated with the battery jar.

As a further aspect of the present invention: the upper part of the positive electrode connecting piece is electrically connected with the positive electrode connecting column, and the upper part of the negative electrode connecting piece is electrically connected with the negative electrode connecting column.

As a further aspect of the present invention: the upper portion of the side wall of one side of the module box is provided with a liquid adding opening communicated with the interlayer, the bottom of the side wall of the other side of the module box is further provided with a liquid discharging opening communicated with the interlayer, and caps are arranged on the liquid adding opening and the liquid discharging opening.

As a further aspect of the present invention: the inner wall and the outer wall of the interlayer are both members made of stainless steel materials, and coatings made of insulating materials are covered on two sides of the outer wall of the interlayer.

As a further aspect of the present invention: and a switch electrically connected with the heating block is arranged on the box cover.

Compared with the prior art, the beneficial effects of the utility model are that:

this lithium battery module with high temperature, through the module case of taking interbedded bilayer structure to and the inside cooperation that adds the heating piece of establishing of intermediate layer is used, can directly effectively cool off battery module inside through the water-cooling mode in the course of the work, avoid effectively preheating battery module inside through heating the hot water bath because of the emergence of the phenomenon such as the short circuit that leads to burns out even that generates heat, improved electric energy conversion efficiency, guaranteed battery module's working effect.

Drawings

FIG. 1 is a schematic sectional view of the whole part of the present invention;

FIG. 2 is a schematic structural view of the integral part of the present invention;

fig. 3 is a schematic structural diagram of the battery compartment portion of the present invention.

In the figure: 1. a module box; 1a, an interlayer; 1b, a heating block; 2. a box cover; 2a, connecting a positive pole; 2b, connecting a negative pole; 3. a battery compartment; 3a, a battery jar; 3b, a heat dissipation window; 4. an electrode plate; 4a, a positive electrode tab; 4b, a negative electrode tab; 5. a liquid filling port; 6. a liquid discharge port; 7. and (4) switching.

Detailed Description

Referring to fig. 1-3, in an embodiment of the present invention, a lithium battery module with high temperature includes a module case 1, the module case 1 is a box-type structure with a cavity, the side wall of the module box 1 is of a double-layer structure with an interlayer 1a, a heating block 1b is arranged in the interlayer 1a, a box cover 2 is fixedly arranged at the opening of the module box 1 through bolts, a positive pole connecting column 2a and a negative pole connecting column 2b are arranged on the box cover 2, a battery compartment 3 is arranged in the module box 1, a plurality of battery grooves 3a are arranged on the battery compartment 3, a battery monomer is arranged in each battery groove 3a, a plate electrode 4 is also fixedly arranged at the upper part of the battery compartment 3, the electrode plate 4 is provided with a positive electrode contact piece 4a and a negative electrode contact piece 4b which are made of copper foil materials and are arranged at intervals, the positive electrode contact piece 4a is electrically connected with the positive electrode of the battery cell, and the negative electrode contact piece 4b is electrically connected with the negative electrode of the battery cell.

In fig. 1 and 3: the plate electrode 4 is a plate-shaped structure made of rubber insulation materials, two strip-shaped clamping grooves are formed in the plate electrode 4, the plate electrode 4 is connected with the positive electrode connecting piece 4a and the negative electrode connecting piece 4b in a clamped mode through the clamping grooves, the plate electrode 4 made of rubber insulation materials can effectively insulate and separate the positive electrode connecting piece 4a and the negative electrode connecting piece 4b, and circuit short circuit and even burning phenomena caused by accidental direct contact of the positive electrode connecting piece 4a and the negative electrode connecting piece 4b are avoided.

In fig. 3: battery compartment 3 is the rubber material, and evenly set up the heat dissipation window 3b that is linked together with battery jar 3a on the lateral wall of battery compartment 3, the battery compartment 3 of the insulating material of rubber can effectively keep apart the lithium cell monomer that places wherein, avoid the short circuit, the heat dissipation window 3b that is linked together with battery jar 3a of seting up on the 3 lateral walls of battery compartment can effectively realize effectively dispelling the heat that the battery monomer during operation that places in the battery jar 3a produced through the water-cooling function of intermediate layer 1a, thermal transmission when also being convenient for preheat under the cold condition simultaneously.

In fig. 3: the upper part of the positive electrode connecting piece 4a is electrically connected with the positive electrode connecting post 2a, the upper part of the negative electrode connecting piece 4b is electrically connected with the negative electrode connecting post 2b, the positive electrodes of the single batteries placed in the battery jar 3a are connected in series and communicated through the positive electrode connecting piece 4a, the negative electrodes of the single batteries placed in the battery jar 3a are connected in series and communicated through the negative electrode connecting piece 4b, and the connection of the positive electrode connecting piece 4a and the positive electrode connecting post 2a, and the connection of the negative electrode connecting piece 4b and the negative electrode connecting post 2b can realize the connection of the whole circuit and the supply and output of the outward electric energy.

In fig. 1 and 2: the filling opening 5 that is linked together with intermediate layer 1a is seted up on the upper portion of 1 one side lateral wall of module case, and the leakage fluid dram 6 that is linked together with intermediate layer 1a is still seted up to the bottom of 1 opposite side lateral wall of module case, all be provided with the cap on filling opening 5 and the leakage fluid dram 6, the heating opening 5 and the leakage fluid dram 6 that are linked together with intermediate layer 1a of seting up on the module case 1, can be directly to the inside moisture that adds of intermediate layer 1a, realize the inside water-cooling of battery module or preheat the energy supply, the change of the inside water of intermediate layer 1a is convenient for through leakage fluid.

In fig. 1: the inner wall and the outer wall of the interlayer 1a are both stainless steel members, the two sides of the outer wall of the interlayer 1a are also covered with coatings of insulating and heat-insulating materials, the stainless steel material of the inner wall is favorable for temperature conduction, and good heat conduction and heat exchange between the inner wall of the interlayer 1a and the battery compartment 3 are ensured, so that the water body in the interlayer 1a is utilized to directly cool or preheat the battery placed in the battery compartment of the battery compartment level 3.

In fig. 2: the case lid 2 is provided with the switch 7 electrically connected with the heating block 1b, the heating block 1b is controlled through the switch 7, the heating block 1b is directly supplied with electric energy through the electric connection with an internal circuit, and the electric heating block 1b is turned on under the cold working condition to heat the water body in the interlayer 1 a.

The utility model discloses a theory of operation is: the lithium battery module with high temperature, when in use, the lithium battery monomer is placed in the battery jar 3a, the battery bin 3 made of rubber insulation material can effectively isolate the lithium battery monomer placed therein, short circuit is avoided, the heat dissipation window 3b which is arranged on the side wall of the battery bin 3 and is communicated with the battery jar 3a can effectively dissipate heat generated when the battery monomer placed in the battery jar 3a works through the water cooling function of the interlayer 1a, meanwhile, heat transfer during preheating is facilitated under cold conditions, the anode of the battery monomer placed in the battery jar 3a is communicated in series through the anode connecting piece 4a, the cathode of the battery monomer placed in the battery jar 3a is communicated in series through the cathode connecting piece 4b, the anode connecting piece 4a is electrically connected with the anode connecting column 2a and the cathode connecting column 4b, and the cathode connecting column 2b can realize the communication of the whole circuit and the outward electric energy supply output, through the last heating port 5 and the leakage fluid dram 6 that are linked together with intermediate layer 1a of seting up of module case 1, can be directly to the inside moisture that adds of intermediate layer 1a, realize the inside water-cooling of battery module or preheat the energy supply, the change of the inside water of intermediate layer 1a through leakage fluid dram 6 is convenient for, the mode that adds cold water to intermediate layer 1a in the accessible of long-time function during operation carries out the water-cooling to battery module, the heat dispels evenly, it is effectual to cool down, open electric heat piece 1b under cold operating condition and can heat the water in the intermediate layer 1a, and then carry out preheating to battery module inside, the efficiency of battery electric energy conversion has been guaranteed.

The above-mentioned, 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. A lithium battery module with high temperature comprises a module box (1) and is characterized in that the module box (1) is of a box-type structure with a cavity, the side wall of the module box (1) is of a double-layer structure with an interlayer (1 a), a heating block (1 b) is arranged in the interlayer (1 a), a box cover (2) is fixedly installed at an opening of the module box (1) through bolts, an anode connecting column (2 a) and a cathode connecting column (2 b) are arranged on the box cover (2), a battery bin (3) is arranged in the module box (1), a plurality of battery grooves (3 a) are formed in the battery bin (3), a battery monomer is placed in each battery groove (3 a), an electrode plate (4) is fixedly installed on the upper portion of the battery bin (3), and an anode connecting sheet (4 a) and a cathode connecting sheet (4 b) which are made of copper foil materials and are arranged at intervals are arranged on the electrode plate (4), the positive electrode connecting piece (4 a) is electrically connected with the positive electrode of the battery cell, and the negative electrode connecting piece (4 b) is electrically connected with the negative electrode of the battery cell.

2. The lithium battery module with high temperature as claimed in claim 1, wherein the electrode plate (4) is a plate-shaped structure made of rubber insulating material, and two strip-shaped slots are formed in the electrode plate (4), and the electrode plate (4) is clamped with the positive electrode tab (4 a) and the negative electrode tab (4 b) through the slots.

3. The lithium battery module with high temperature as claimed in claim 1, wherein the battery compartment (3) is made of rubber, and the sidewall of the battery compartment (3) is uniformly provided with heat dissipation windows (3 b) communicated with the battery jar (3 a).

4. The lithium battery module with high temperature as claimed in claim 1, wherein the upper part of the positive electrode tab (4 a) is electrically connected with the positive electrode terminal (2 a), and the upper part of the negative electrode tab (4 b) is electrically connected with the negative electrode terminal (2 b).

5. The lithium battery module with high temperature according to claim 1, wherein a liquid filling opening (5) communicated with the interlayer (1 a) is formed in the upper portion of the side wall of one side of the module box (1), a liquid discharging opening (6) communicated with the interlayer (1 a) is further formed in the bottom of the side wall of the other side of the module box (1), and caps are arranged on the liquid filling opening (5) and the liquid discharging opening (6).

6. The lithium battery module with high temperature as claimed in claim 1, wherein the inner wall and the outer wall of the interlayer (1 a) are stainless steel members, and both sides of the outer wall of the interlayer (1 a) are covered with insulating and heat-insulating coatings.

7. The lithium battery module with high temperature as claimed in claim 1, characterized in that the box cover (2) is provided with a switch (7) electrically connected with the heating block (1 b).