CN208208823U - Lithium ion battery case for electric vehicle - Google Patents
Lithium ion battery case for electric vehicle Download PDFInfo
- Publication number
- CN208208823U CN208208823U CN201820625170.2U CN201820625170U CN208208823U CN 208208823 U CN208208823 U CN 208208823U CN 201820625170 U CN201820625170 U CN 201820625170U CN 208208823 U CN208208823 U CN 208208823U
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- electric vehicle
- battery case
- side plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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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- Secondary Cells (AREA)
Abstract
The utility model provides a kind of lithium ion battery case for electric vehicle, has the feature that, comprising: cabinet is square, bottom plate, two long side plates and two short side plates including surrounding the space for accommodating lithium ion battery mould group；The bottom in space is arranged in water-cooled plate, for cooling down to lithium ion battery mould group, has entrance and exit；Lid is removably mounted on the top of cabinet, is used for enclosure space；Wherein, inlet and outlet are provided on one short side plate, it is connect respectively with entrance and exit, for external cooling liquid to be entered in water-cooled plate by entrance and is flowed out from outlet, temperature sensor is set on long side plate, when the temperature in temperature sensor senses to space is higher than 40 DEG C, external cooling liquid stream enters water-cooled plate and flows out, water-cooled plate includes first pipe arranged side by side, second pipe and the multiple third pipelines side by side for being connected to first pipe and second pipe, and the diameter of entrance is greater than the diameter of outlet.
Description
Technical field
The utility model relates to a kind of lithium ion battery casees for electric vehicle, belong to New-energy electric vehicle and power electric
Pond field.
Background technique
As the improvement of people's living standards, automobile more and more important role of performer in the trip of people.But it is same
When also bring many problems, it is the most prominent especially in the energy and pollution problem.In order to solve energy problem, various countries are numerous and confused
Release the orthodox car replaced using electric car using petroleum as power source.Electric car has energy-saving ring compared with orthodox car
It protects, the features such as capacity usage ratio is high.If electric car can obtain popularization and use energetically, it will greatly alleviate and work as today
Benefit energy problem outstanding.
Lithium battery has that specific energy density is high, quality is low, small in size, cycle life is longer, can with repeated multiple times charge and discharge,
Self-discharge rate is lower and can be the lower environment of the temperature more severe lower normal work the advantages of, therefore current many mainstreams
Electric car vehicle all uses lithium ion battery as power source.Requirement due to people to the course continuation mileage of electric car is more next
It is higher, it is therefore desirable to which that multiple single batteries are linked together using series connection and connection type in parallel and constituted battery modules, still
The weight of such battery modules is larger, and can generate a large amount of heat when battery modules high power discharge, this is both to electricity
The intensity of pond cabinet proposes requirements at the higher level, also proposes requirements at the higher level to the heat dissipation performance of Battery case.While lithium ion
Optimum working temperature range is 25 DEG C~40 DEG C, when environment temperature is higher or lower, it will largely effect on lithium ion battery
Performance, so as to shorten the course continuation mileage of electric car.
Carrying out cooling common practices to lithium ion battery mould group in the prior art is that water-cooled plate is arranged in the external of battery case,
It is done so that additional space can be occupied, furthermore the distance between water-cooled plate and battery modules are distant, and heat-transfer effect is poor.
Some will directly be designed to that opened upper end or side wall add the means such as ventilation hole to realize to lithium ion battery mould group by battery case
Cool down, it is done so that lithium-ion battery module can be made to be directly exposed in external environment, by dust, light in external environment
Etc. factors corrode and reduce the service life.
Utility model content
The utility model is carried out to solve the problems, such as to cool down to lithium ion battery mould group, it is therefore intended that is mentioned
For a kind of lithium ion battery case for electric vehicle.
The utility model provides a kind of lithium ion battery case for electric vehicle, has the feature that, comprising: cabinet,
It is square, including bottom plate, two long side plates and two short side plates, bottom plate, long side plate and short side plate are surrounded for accommodating lithium
The space of ion battery mould group；The bottom in space is arranged in water-cooled plate, for cooling down to lithium ion battery mould group, has
Entrance and exit；And lid, it is removably mounted on the top of cabinet, is used for enclosure space；Wherein, it is set on a short side plate
Inlet and outlet are equipped with, are connect respectively with entrance and exit, for entering in water-cooled plate external cooling liquid by entrance
And flowed out from outlet, temperature sensor is set on long side plate, when the temperature in temperature sensor senses to space is higher than 40 DEG C,
External cooling liquid stream enters water-cooled plate and flows out, and water-cooled plate includes first pipe arranged side by side, second pipe and connection the
The ipsilateral one end that is located at of multiple third pipelines side by side of one pipeline and second pipe, first pipe and second pipe is set respectively
It is equipped with entrance and exit, the diameter of entrance is greater than the diameter of outlet.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
Reinforcing rib is additionally provided on long side plate.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
Bottom plate, long side plate, short side plate and lid inner surface be provided with insulating layer.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
It is additionally provided in cabinet for monitoring the cigarette propagated sensation sensor whether to catch fire in space.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
It is additionally provided in cabinet for monitoring the whether closed optical sensor in space.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
It is provided on the short side plate of water inlet and is additionally provided with low pressure input interface and low pressure output interface, be respectively used to lithium ion battery
Mould group charges and discharges, and anode interface and battery cathode interface are respectively used to the anode with lithium ion battery mould group
It is in contact with cathode.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
It is provided on the short side plate of water inlet and is additionally provided with service switch.
In lithium ion battery case for electric vehicle provided by the utility model, it can also have the following features: wherein,
Lid is removably mounted on cabinet by screw.
The action and effect of utility model
The lithium ion battery case for electric vehicle according to involved in the utility model, because having cabinet, water-cooled plate and lid
Son, water-cooled plate are arranged in cabinet, will not occupy the space other than battery case, and at a distance from lithium ion battery mould group very
Closely, perfect heat-dissipating, the weight for not only having alleviated Battery case improve the energy density of lithium ion battery but also reduce battery case
The volume of body.Lid can close cabinet, protect high-lithium ion battery modules from the erosion of external environment, and extension makes
Use the service life.
Further, water-cooled plate includes first pipe, second pipe and third pipeline, and cooling liquid can be made equably to flow
Battery case is crossed, the temperature uniformity between each lithium ion battery of lithium ion battery module internal is improved, reduces lithium ion
Temperature difference between single battery core, thus the course continuation mileage for improving the service performance of lithium ion battery, increasing electric car.
Further, the diameter of the entrance is greater than the diameter of the outlet, can reduce the pressure between entrance and exit
Drop, and then the on-way resistance in the pipeline of reduction water-cooled plate, reduce the energy consumption of the compressor of electric car, improve high-lithium ion electricity
The service performance of Chi Mo group.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lithium ion battery case for electric vehicle in the embodiments of the present invention；
Fig. 2 is the structural schematic diagram of cabinet in the embodiments of the present invention；
Fig. 3 is the structural schematic diagram of cabinet in the embodiments of the present invention；And
Fig. 4 is the structural schematic diagram of water-cooled plate in the embodiments of the present invention.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing is specifically addressed the utility model lithium ion battery case for electric vehicle.
Fig. 1 is the structural schematic diagram of lithium ion battery case for electric vehicle in the embodiments of the present invention.
As shown in Figure 1, lithium ion battery case 100 for electric vehicle is for holding lithium ion battery mould group, including cabinet 10,
Water-cooled plate 20 and lid 30.
Fig. 2 is the structural schematic diagram of cabinet in the embodiments of the present invention.
As shown in Fig. 2, cabinet 10 is rectangle, including bottom plate 11, the first long side plate 12, the second long side plate 13, first are short
Side plate 14 and the second short side plate 15.Bottom plate 11, the first long side plate 12, the second long side plate 13, the first short side plate 14 and second
Short side plate 15 surrounds the rectangular parallelepiped space for accommodating lithium ion battery mould group.
The upper surface of bottom plate 11 is provided with insulating layer.In the present embodiment, insulating layer is heat-preservation cotton.
Temperature sensor, and the temperature sensor are provided in the middle part of the inner wall of first long side plate 12 and the second long side plate 13
It is connect with external control switch.Multiple reinforcing ribs 121 are provided on the outer wall of first long side plate 12 and the second long side plate 13.
First long side plate 12 is provided with cigarette propagated sensation sensor 122 on one end inner wall of the first short side plate 14.Second long side plate 13 is close
Optical sensor 131 is provided on one end inner wall of first short side plate 14.On the inner wall of first long side plate 12 and the second long side plate 13
It is provided with heat-preservation cotton.
Fig. 3 is the structural schematic diagram of cabinet in the embodiments of the present invention.
As shown in figure 3, the middle and upper part of the first short side plate 14 is provided with service switch 141, low pressure input interface 142, high pressure
Input interface 143, anode interface 144, battery cathode interface 145, water inlet 146 and water outlet 147.
Service switch 141 has the baffle that the first short side plate 14 is removably mounted on by six interior angle cylinder head bolts.
After baffle is disassembled can service switch 141 structure in cabinet 10 is repaired.
Low pressure input interface 142, high input voltage interface 143, anode interface 144, battery cathode interface 145, water inlet
Mouth 146 and water outlet 147 are mounted on the first short side plate 14 by six interior angle cylinder head bolts.
Low pressure input interface 142 and low pressure output interface 143 are separately positioned on the two sides of service switch 141, are respectively used to
Lithium ion battery mould group is charged and discharged.
The outside of low pressure input interface 142 is arranged in anode interface 144, for the anode with lithium ion battery mould group
Contact.The outside of high input voltage interface 143 is arranged in battery cathode interface 145, for the cathode pole with lithium ion battery mould group
Contact.
Lithium ion battery mould group during the charging process, deviate from by the lithium in positive electrode corresponding to anode interface 144
Come, entered in cathode graphite corresponding to battery cathode interface 145 across diaphragm, by low pressure input interface 142 to lithium from
Sub- battery modules charge；In electric discharge, lithium ion takes off from cathode graphite lithium ion battery mould group again, passes through diaphragm
It returns in positive electrode, the energy of releasing is discharged by low pressure output interface 143.
Water inlet 146 and water outlet 147 are separately positioned on the both ends of the lower part of the first short side plate 14.
In the present embodiment, cabinet 10 is cast aluminium cabinet.
Fig. 4 is the structural schematic diagram of water-cooled plate in the embodiments of the present invention.
As shown in figure 4, water-cooled plate 20 is arranged on bottom plate 11, including first pipe 21, second pipe 22 and multiple the
Three pipelines 23.
First pipe 21 and second pipe 22 are arranged in parallel, and parallel with the first long side plate 12.First pipe 21 is close
One end of first short side plate 14 is provided with entrance 211.Entrance 211 is connected to and in communication with water inlet 146.The diameter of entrance 211 and
The diameter of water inlet 146 is identical, is 16mm.
Second pipe 22 is provided with outlet 221 close to one end of the first short side plate 14.Outlet 221 is connect with water outlet 147
And it is connected to.Outlet 221 is identical with the diameter of water outlet 147, is 12mm.
Multiple third pipelines 23 are uniformly disposed side by side between first pipe 21 and second pipe 22, and are managed respectively with first
Road 21 and second pipe 22 are connected to and in communication with.The diameter of third pipeline is less than first pipe 21 and second pipe 22.
When temperature sensor senses to the temperature in cabinet 10 are more than 40 DEG C, external control switch is opened so that external
Cooling liquid enter in first pipe 21 through water inlet 146 and entrance 211, after flowing through third pipeline 23, flow into from second pipe
22, most afterwards through outlet 221 and water outlet 147.Cooling liquid constantly flows through so that the temperature in cabinet 10 declines.
In the present embodiment, cooling liquid is the mixed solution of water and acetone.
Lid 30 and the shapes and sizes of cabinet 10 match, and are detachably arranged in case by six interior angle cylinder head bolts
The top of body 10, for closing cabinet 10.
The action and effect of embodiment
The lithium ion battery case for electric vehicle according to involved in the utility model, because having cabinet, water-cooled plate and lid
Son, water-cooled plate are arranged in cabinet, will not occupy the space other than battery case, and at a distance from lithium ion battery mould group very
Closely, perfect heat-dissipating, the weight for not only having alleviated Battery case improve the energy density of lithium ion battery but also reduce battery case
The volume of body.Lid can close cabinet, protect high-lithium ion battery modules from the erosion of external environment, and extension makes
Use the service life.
Further, water-cooled plate includes first pipe, second pipe and third pipeline, and cooling liquid can be made equably to flow
Battery case is crossed, the temperature uniformity between each lithium ion battery of lithium ion battery module internal is improved, reduces lithium ion
Temperature difference between single battery core, thus the course continuation mileage for improving the service performance of lithium ion battery, increasing electric car.
Further, the diameter of the entrance is greater than the diameter of the outlet, can reduce the pressure between entrance and exit
Drop, and then the on-way resistance in the pipeline of reduction water-cooled plate, reduce the energy consumption of the compressor of electric car, improve high-lithium ion electricity
The service performance of Chi Mo group.
Further, reinforcing rib can enhance the structural strength of entire cabinet, and the weight that can satisfy battery modules is larger
Actual needs.
Further, insulating layer can be improved thermal insulation property, work normally battery modules also can when temperature is lower,
The phenomenon that course continuation mileage substantially reduces due to temperature is too low to avoiding electric car.
Further, whether cigarette propagated sensation sensor can catch fire in monitoring case body.
Further, whether optical sensor can be closed in monitoring case body.
Further, service switch can convenient for users to after opening it to being tieed up inside the battery case after closing
It repairs.
Above embodiment is the preferred case of the utility model, is not intended to limit the protection scope of the utility model.
Claims (8)
1. a kind of lithium ion battery case for electric vehicle, for holding lithium ion battery mould group characterized by comprising
Cabinet is square, including bottom plate, two long side plates and two short side plates, the bottom plate, the long side plate and described
Short side plate surrounds the space for accommodating the lithium ion battery mould group；
The bottom in the space is arranged in water-cooled plate, for cooling down to the lithium ion battery mould group, having entrance and going out
Mouthful；And
Lid is removably mounted on the top of the cabinet, for closing the space；
Wherein, inlet and outlet are provided on a short side plate, are connected respectively with the entrance and the outlet, used
In external cooling liquid being entered in the water-cooled plate by the entrance and from outlet outflow,
Temperature sensor is set on the long side plate, when the temperature sensor senses to the temperature in the space are higher than 40 DEG C
When, external cooling liquid stream enters the water-cooled plate and flows out,
The water-cooled plate includes first pipe arranged side by side, second pipe and the connection first pipe and second pipe
Multiple third pipelines side by side in road,
The ipsilateral one end that is located at of the first pipe and the second pipe is respectively arranged with the entrance and the outlet,
The diameter of the entrance is greater than the diameter of the outlet.
2. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, reinforcing rib is additionally provided on the long side plate.
3. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, the inner surface of the bottom plate, the long side plate, the short side plate and the lid is provided with insulating layer.
4. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, it is additionally provided in the cabinet for monitoring the cigarette propagated sensation sensor whether to catch fire in the space.
5. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, it is additionally provided in the cabinet for monitoring the whether closed optical sensor in the space.
6. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, it is provided on the short side plate of the water inlet and is additionally provided with
Low pressure input interface and low pressure output interface are respectively used to charge and discharge the lithium ion battery mould group,
Anode interface and battery cathode interface are respectively used to connect with the anode and cathode of the lithium ion battery mould group
Touching.
7. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, it is provided on the short side plate of the water inlet and is additionally provided with service switch.
8. lithium ion battery case for electric vehicle according to claim 1, it is characterised in that:
Wherein, the lid is removably mounted on the cabinet by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625170.2U CN208208823U (en) | 2018-04-28 | 2018-04-28 | Lithium ion battery case for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625170.2U CN208208823U (en) | 2018-04-28 | 2018-04-28 | Lithium ion battery case for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208823U true CN208208823U (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820625170.2U Expired - Fee Related CN208208823U (en) | 2018-04-28 | 2018-04-28 | Lithium ion battery case for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428835A (en) * | 2018-04-28 | 2018-08-21 | 上海理工大学 | Lithium ion battery case for electric vehicle |
-
2018
- 2018-04-28 CN CN201820625170.2U patent/CN208208823U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428835A (en) * | 2018-04-28 | 2018-08-21 | 上海理工大学 | Lithium ion battery case for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190428 |