CN208781910U - A kind of lithium battery group of anti-overheat - Google Patents
A kind of lithium battery group of anti-overheat Download PDFInfo
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- CN208781910U CN208781910U CN201821373086.2U CN201821373086U CN208781910U CN 208781910 U CN208781910 U CN 208781910U CN 201821373086 U CN201821373086 U CN 201821373086U CN 208781910 U CN208781910 U CN 208781910U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a kind of lithium battery groups of anti-overheat, including cabinet, multiple battery cells, cabinet includes box-like body, lower supporting plate, upper cover plate, battery cell is cylindrical battery, battery cell has anode, cathode, is sequentially connected in series between each battery cell, passes through conductive plate connection between the anode of adjacent two battery cell, cathode, conductive plate includes copper sheet section and aluminium layer section, and copper sheet section is equipped with positive connecting hole；Section of aluminizing is equipped with cathode connecting hole, it is connected for battery cell cathode, lower supporting plate is equipped with supported hole identical with battery cell quantity, supported hole is pierced by for the positive or negative pole of battery cell, upper cover plate is equipped with and perforates correspondingly up and down with supported hole, and perforation is passed through for the positive or negative pole of battery cell.The problem of conductive plate therein is made there are two types of material, respectively corresponds the positive and negative anodes material of battery cell, avoids conductive plate and positive and negative anodes junction generation electrochemical reaction.
Description
Technical field
The utility model relates to technical field of lithium batteries, and in particular to a kind of lithium battery group of anti-overheat.
Background technique
Lithium battery has many advantages, such as that environmental pollution is small, noiseless, energy ratio is high, and application is more and more, such as makees
For power battery, apply on electric bicycle, electric car.Power source as electric car is by a certain number of lithium electricity
Pond forms high-power, large capacity lithium battery group by series-parallel form.During charging and discharging lithium battery, battery itself
Heat can be generated with the component on high current access, constant temperature in battery pack is caused to rise, when temperature is more than the normal work of battery
The service performance and service life of lithium battery can be reduced after the maximum temperature of work.The battery cell of battery pack mainly has hard shell packaging
Two kinds are packed with soft shell, according to different power and voltage needs, is combined multiple battery cells in series and parallel.
The positive terminal material of battery is copper, and negative terminal material is aluminium, and anode and cathode terminals are connected when series connection.Battery production
When, way typically now is that use copper or aluminium plated surface be the connecting plate of same metal material directly by copper post and aluminium column electrode
Terminal is connected.Copper and aluminum material link together, and there are lesser gaps for the junction of the two, will generate electrochemical reaction,
Especially in wet environment.Aluminium surface generates corrosion, causes the contact resistance of copper post and aluminium column junction to increase, is there is big electricity
When stream flows through the junction, it can be brought rapidly up because resistance increases.
Utility model content
The purpose of the utility model is to provide a kind of lithium battery group of anti-overheat, with solve above-mentioned resistance increase and
Lead to the high problem that heats up.
To achieve the above object, the lithium battery group of the anti-overheat of the utility model adopts the following technical scheme that the lithium of anti-overheat
Battery pack, including cabinet, multiple battery cells, cabinet include box-like body, lower supporting plate, upper cover plate, and battery cell is cylinder
Shape battery, battery cell have anode, cathode, and the positive material of battery cell is copper, and the cathode material of battery cell is aluminium, respectively
It is sequentially connected in series between battery cell, each battery cell is in distributed rectangular, is led between the anode of adjacent two battery cell, cathode
Conductive plate connection is crossed, the distribution mode of each conductive plate is S type, and conductive plate includes copper sheet section and aluminium layer section, and copper sheet section is equipped with just
Pole connecting hole is connected for battery cell anode；Aluminium layer section is equipped with the aluminium coated that plating is located in copper sheet section, and section of aluminizing is equipped with cathode
Connecting hole is connected for battery cell cathode, and lower supporting plate is equipped with supported hole identical with battery cell quantity, supported hole power supply
The positive or negative pole of pond monomer is pierced by, and lower supporting plate and box-like body bottom are equipped with lower cavity, and upper cover plate is equipped with and supported hole
One-to-one perforation, perforation are passed through for the positive or negative pole of battery cell up and down, and the lithium battery group of the anti-overheat has one
A anode total connector, a total connector of cathode.
Further preferably, the circumferential side wall of the box-like body is equipped with sponge strip, and sponge strip is radially propped up from battery cell
Support battery cell.
Further preferably, the box-like body internal upper part is equipped with step surface, and upper cover plate and the step surface cooperate, upper cover plate
It is fixed by screws on box-like body.
Further preferably, the lower supporting plate includes mainboard body and supporting block, and mainboard body is supported on cabinet sheet by supporting block
To form the lower cavity on body bottom.
Further preferably, the box-like body lower part is equipped with honeycomb-type heat radiation structure.
Further preferably, the left plate of the box-like body, air hole is equipped on right side plate, be equipped with waterproof at air hole
Ventilated membrane.
Further preferably, the conductive plate is waist template, and anode, the cathode of the battery cell are pole, anode, cathode
Pole on be equipped with screw thread, to install clamp nut, clamp nut on anode is plating copper nut, the clamp nut on cathode
For nut of aluminizing.
The utility model has the beneficial effects that each battery cell of the lithium battery group of the anti-overheat of the utility model, including it is multiple
Battery cell is connected between the anode of adjacent two battery cell, cathode by conductive plate, and conductive plate is made of two kinds of materials, electricity
The anode in pond is connect with the copper sheet section of conductive plate, and the cathode of battery and the aluminium layer section of conductive plate connect, and junction material is identical, gold
It is identical to belong to material activity.The aluminium layer section of conductive plate is wholely set with copper sheet section, and gap is not present, electrochemical reaction will not occur.
The problem of avoiding the increase of junction resistance, the Wen Shenggao of positive and negative anodes and conductive plate, prevents accident, extends the use of battery
Service life.
Detailed description of the invention
Fig. 1 is the series arrangement figure of each battery cell of the lithium battery group of the anti-overheat of the utility model；
Fig. 2 is the structural schematic diagram of conductive plate in the lithium battery group of the anti-overheat of the utility model；
Fig. 3 is the cross-sectional view of Fig. 2；
Fig. 4 is the partial sectional view of the cabinet of the lithium battery group of the anti-overheat of the utility model.
Respectively mark corresponding title: 1, battery cell in figure, 2, conductive plate, 3, lower supporting plate, 4, sponge strip, 5, ventilative
Hole, 6, box-like body, 11, anode, 12, cathode, 21, copper sheet section, 22, aluminium layer section, 23, positive connecting hole, 24, cathode connection
Hole, 25, aluminium coated.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The embodiment of the lithium battery group of the anti-overheat of the utility model: as Figure 1-Figure 4, the lithium battery group of anti-overheat, packet
Cabinet, multiple battery cells 1 are included, cabinet includes box-like body 6, lower supporting plate 3, upper cover plate.Battery cell 1 is cylindrical electricity
Pond, battery cell have anode, cathode.The positive material of battery cell is copper, and the cathode material of battery cell is aluminium, each battery
It is sequentially connected in series between monomer.
Each battery cell is in distributed rectangular, is connected between the anode of adjacent two battery cell, cathode by conductive plate 2, respectively
The distribution mode of conductive plate is S type, and it is to be interspersed up and down that up and down direction, which is seen, and left and right is also to be interspersed.More clearly to say
Bright, battery cell successively carrys out word from the beginning to the end, the anode 11 of first battery upward, cathode downward, second battery
Cathode 12 upward, anode downward, third battery it is positive upward, cathode downward, and so on arrangement, first battery is just
A conductive plate 2 is connected between pole and the cathode of second battery, between the anode of the second battery and the cathode of third battery
Connect a conductive plate 2, and so on be attached.The lithium battery group of anti-overheat has the total connector of an anode, a cathode
Total connector is connected for power device.
Conductive plate 2 includes copper sheet section 21 and aluminium layer section 22, and copper sheet section 21 is equipped with positive connecting hole 23, just for battery cell
The connection of pole pole；Aluminium layer section 22 is equipped with the aluminium coated 25 that plating is located in copper sheet section, and section of aluminizing is equipped with cathode connecting hole 24, power supply
The connection of pond monomer negative pole.It is designed by the special construction of the conductive plate, so that the copper product anode of battery cell and conduction
The copper sheet section of plate connects, and the cathode of the aluminum material of battery cell is connect with aluminium layer section, and identical material links together, and avoids
The problem of being mentioned in background technique.Very close to each other, well conducting between the aluminium coated 25 and copper sheet section 21 of aluminium layer section, and be not easy
Couple corrosion occurs.Conductive plate is waist template, and anode, the cathode of battery cell are pole, is equipped on positive, cathode pole
Screw thread, to install clamp nut 7, the clamp nut on anode is plating copper nut, and the clamp nut on cathode is nut of aluminizing.?
After respective electrode penetrates conductive plate connecting hole, fixed with clamp nut.
Lower supporting plate 3 is horizontally disposed, and lower supporting plate 3 is equipped with supported hole identical with battery cell quantity, and supported hole supplies
The positive or negative pole of battery cell is pierced by, and lower supporting plate and box-like body bottom are equipped with lower cavity.Lower supporting plate 3 includes mainboard body
And mainboard body is supported on box-like body bottom to form the lower cavity by supporting block 31, supporting block 31, supporting block is located at two
Between column battery cell, the placement of battery cell is not influenced.
Box-like body internal upper part is equipped with step surface, and upper cover plate and step surface cooperate, and upper cover plate is fixed by screws in cabinet
On ontology.Upper cover plate is equipped with handle, convenient for lifting and installing.Upper cover plate is equipped with and wears correspondingly up and down with supported hole
Hole, perforation are passed through for the positive or negative pole of battery cell, and each battery cell is in the space between lower supporting plate and upper cover plate.
The circumferential side wall of box-like body 6 is equipped with sponge strip 4, and sponge strip is auxiliarily fixed from battery cell radial support battery cell
Effect, there are also damping effects.In view of heat dissipation problem, the area of sponge strip is not easy excessive.
To solve heat dissipation problem, box-like body lower part is equipped with honeycomb-type heat radiation structure.Left plate, the right side plate of box-like body
On be equipped with air hole 5, waterproof ventilated membrane 51 is equipped at air hole, plays ventilative effect, and waterproof.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is all that there is same as the present application or phase
Approximate technical solution, all falls within the protection scope of the utility model.
Claims (7)
1. the lithium battery group of anti-overheat, it is characterised in that: including cabinet, multiple battery cells, cabinet includes box-like body, lower branch
Fagging, upper cover plate, battery cell are cylindrical battery, and battery cell has anode, cathode, and the positive material of battery cell is
Copper, the cathode material of battery cell are aluminium, are sequentially connected in series between each battery cell, and each battery cell is in distributed rectangular, phase
It is connected between the anodes of adjacent two battery cells, cathode by conductive plate, the distribution mode of each conductive plate is S type, and conductive plate includes
Copper sheet section and aluminium layer section, copper sheet section are equipped with positive connecting hole, connect for battery cell anode；Aluminium layer section is equipped with plating and is located at copper sheet
Aluminium coated in section, section of aluminizing are equipped with cathode connecting hole, connect for battery cell cathode, and lower supporting plate is equipped with and battery list
The identical supported hole of body quantity, supported hole are pierced by for the positive or negative pole of battery cell, and lower supporting plate is set with box-like body bottom
There is lower cavity, upper cover plate is equipped with and perforates correspondingly up and down with supported hole, and perforation is worn for the positive or negative pole of battery cell
It crosses, the lithium battery group of the anti-overheat has the total connector of an anode, a total connector of cathode.
2. the lithium battery group of anti-overheat according to claim 1, it is characterised in that: in the circumferential side wall of the box-like body
Equipped with sponge strip, sponge strip is from battery cell radial support battery cell.
3. the lithium battery group of anti-overheat according to claim 1, it is characterised in that: the box-like body internal upper part is equipped with platform
Terrace, upper cover plate and the step surface cooperate, and upper cover plate is fixed by screws on box-like body.
4. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the lower supporting plate packet
Mainboard body and supporting block are included, mainboard body is supported on box-like body bottom to form the lower cavity by supporting block.
5. the lithium battery group of anti-overheat according to claim 4, it is characterised in that: the box-like body lower part is equipped with honeycomb
Formula radiator structure.
6. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the box-like body
It is equipped with air hole on left plate, right side plate, is equipped with waterproof ventilated membrane at air hole.
7. the lithium battery group of anti-overheat according to any one of claims 1 to 3, it is characterised in that: the conductive plate is waist
Template, anode, the cathode of the battery cell are pole, screw thread are equipped on positive, cathode pole, to install compression spiral shell
Mother, the clamp nut on anode are plating copper nut, and the clamp nut on cathode is nut of aluminizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373086.2U CN208781910U (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821373086.2U CN208781910U (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
Publications (1)
| Publication Number | Publication Date |
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| CN208781910U true CN208781910U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821373086.2U Active CN208781910U (en) | 2018-08-24 | 2018-08-24 | A kind of lithium battery group of anti-overheat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037533A (en) * | 2018-08-24 | 2018-12-18 | 德朗能（张家港）动力电池有限公司 | A kind of lithium battery group of anti-overheat |
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2018
- 2018-08-24 CN CN201821373086.2U patent/CN208781910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037533A (en) * | 2018-08-24 | 2018-12-18 | 德朗能（张家港）动力电池有限公司 | A kind of lithium battery group of anti-overheat |
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