CN206312969U - A kind of cold and hot control casing of cylinder electrokinetic cell liquid - Google Patents
A kind of cold and hot control casing of cylinder electrokinetic cell liquid Download PDFInfo
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- CN206312969U CN206312969U CN201621303164.2U CN201621303164U CN206312969U CN 206312969 U CN206312969 U CN 206312969U CN 201621303164 U CN201621303164 U CN 201621303164U CN 206312969 U CN206312969 U CN 206312969U
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- battery
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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 is related to electric automobile power battery thermal management technology field, a kind of specifically related to cold and hot control casing of cylinder electrokinetic cell liquid of pure electric automobile or Hybrid Vehicle, including Battery case, Inlet and outlet water module is provided with the side wall of Battery case, the water inlet main pipe and main water outlet pipe being connected with Inlet and outlet water module are respectively arranged with the relative both sides inwall of Battery case, the flat heat exchange pipe of parallel arrangement is connected between water inlet main pipe and main water outlet pipe, heat conductive pad is provided between flat heat exchange pipe, the groove coordinated with battery is provided with heat conductive pad, heat conductive pad is centered around the surrounding of battery.The utility model carries out heat conduction using flat heat exchange pipe, heat conductive pad is provided between flat heat exchange pipe and battery, the surrounding of battery is located at due to heat conductive pad, heat-conducting area can be with the maximized sidewall area close to battery, so that heat-conducting area increases, heat transfer is rapid, can realize being brought rapidly up and control of lowering the temperature to cell.
Description
Technical field
The utility model is related to electric automobile power battery thermal management technology field, and in particular to pure electric automobile or mixing
A kind of cold and hot control casing of cylinder electrokinetic cell liquid of power vehicle.
Background technology
The key problem in technology of electric automobile is electrokinetic cell, and the quality of electrokinetic cell performance directly determines electric automobile
Vehicle performance, safety and service life etc..In electrokinetic cell various performance parameters, temperature is safety, the performance for influenceing battery
With the key parameter in life-span, it is too low, vehicle performance can be caused to decline, it is too high, security incident may be triggered.
In high temperature environments, particularly during the broiling summer, electrokinetic cell makes in charge and discharge process and under hot environment
Used time can discharge substantial amounts of heat, and accumulation of heat is produced by spacial influence, if the heat can not be discharged in time, heat will
So that the temperature of battery bag rises, must now start cooling system and electrokinetic cell is cooled down；At low temperatures, especially in cold
Winter, electrokinetic cell service behaviour is very poor, or even cannot normally run, and now must carry out heat temperature raising to battery, is allowed to
In optimal temperature in use level.
And, if the radiating of power battery pack and heating arrangement design imperfection, can cause battery bag modules temperature
Degree skewness so that the working environment of each battery cell is different, and this will have a strong impact on the consistent of cell performance
Property, so as to have a strong impact on the service life of whole power battery pack.
Electrokinetic cell species has a lot, and with good grounds positive and negative pole material classification, with good grounds shape specification is classified.From heat exchange
Angle for, influence heat exchange structure is mainly designed to the shape of cell.According to shape, cell specification mainly has length
Cube, cylinder, flake etc., wherein, cylindrical cell specification has 14430,14650,18650,18490,22650,
26650th, 32650 etc., mainly 18650 specifications that current new-energy automobile industry is used.So-called 18650, mean, diameter
It is 18 millimeters, long 65 millimeters.The electric automobile power battery group of 18650 cell specifications is generally used, required cell
Quantity is between 2000-5000.For the cell of such vast number, the optimization for how carrying out radiating and heating arrangement sets
Meter, is a major issue.
In view of the factor of cost, sealing and security, the biography of current electric automobile power battery group radiating and heating
Thermal medium is mostly gas air.But, using air for medium also has some to limit to.On the one hand, due to needing heating or cold
But air needs to flow through each piece of battery cell, and in-car thousands of pieces of battery cells, the space very little between battery cell, this
The resistance for causing air circulation is too big so that the rotation speed of fan and power of selection increase, and cause unnecessary power consumption, together
When cause that the noise of blower fan increases；Some structure designs, or even at all cannot be well into each piece of battery even without space
Monomer carries out air temperature modification, it is impossible to realize radiating and heating function.
Utility model content
The technical problems to be solved in the utility model is：Existing Prospect of EVS Powered with Batteries radiating and heating arrangement design
Shortcomings, have that noise is big, it is bad to conduct heat, to solve the above problems, there is provided a kind of cylinder electrokinetic cell liquid is cold
Thermal control casing.
The purpose of this utility model is realized in the following manner：
A kind of cold and hot control casing of cylinder electrokinetic cell liquid, including Battery case, are provided with the side wall of Battery case
Inlet and outlet water module, is respectively arranged with the water inlet main pipe that is connected with Inlet and outlet water module and goes out on the relative both sides inwall of Battery case
Jellyfish pipe, is connected with the flat heat exchange pipe of parallel arrangement between water inlet main pipe and main water outlet pipe, heat conduction is provided between flat heat exchange pipe
Pad, is provided with the groove coordinated with battery on heat conductive pad, heat conductive pad is centered around the surrounding of battery.
The height of heat conductive pad is identical with battery, and the cross section of heat conductive pad is trapezoidal, I-shaped or king's font.
Inlet and outlet water module includes the total joint of water inlet and the total joint of water outlet.
Main pipe water supply connector is provided with water inlet main pipe, main pipe water out adapter is provided with main water outlet pipe, total joint of intaking
It is connected with main pipe water supply connector by water supply hose, the total tieing of water outlet is connected by main water outlet pipe with main pipe water out adapter.
Relative to prior art, the utility model carries out heat conduction using flat heat exchange pipe, is set between flat heat exchange pipe and battery
Be equipped with heat conductive pad, due to heat conductive pad be located at battery surrounding, heat-conducting area can with the maximized sidewall area close to battery,
So that heat-conducting area increases, heat transfer is rapid, can realize being brought rapidly up and control of lowering the temperature to cell.Using many heat exchange
Flat tube is arranged in parallel between Inlet and outlet water main pipe, it is to avoid asked using upstream and downstream temperature difference caused by single flat heat exchange pipe is excessive
Topic so that the battery temperature difference in every layer of module is smaller, so as to ensure the homogeneity of the cell temperature of battery modules.Heat exchange
Flat tube can not only play a part of heat transfer with heat conductive pad, while also separating each piece of cell, can avoid because of one piece
Chain runaway effect caused by the thermal runaway of cell, improves the security of electrokinetic cell casing.
Brief description of the drawings
Fig. 1 is the cold and hot control one layer of battery arrangement schematic diagram one of box house of the utility model electrokinetic cell liquid.
Fig. 2 is the partial enlarged drawing using trapezoid cross section heat conductive pad scheme in the utility model Fig. 1.
Fig. 3 is that the battery in the utility model Fig. 1 using trapezoid cross section heat conductive pad scheme installs stereogram.
Fig. 4 is the trapezoid cross section heat conductive pad stereogram in the utility model Fig. 1.
Fig. 5 is the partial enlarged drawing using I-shaped cross-section heat conductive pad scheme in the utility model Fig. 1.
Fig. 6 is that the battery in the utility model Fig. 1 using I-shaped cross-section heat conductive pad scheme installs stereogram.
Fig. 7 is the I-shaped cross-section heat conductive pad stereogram in the utility model Fig. 1.
Fig. 8 is the cold and hot control one layer of battery arrangement schematic diagram two of box house of the utility model electrokinetic cell liquid.
Fig. 9 is the partial enlarged drawing using I-shaped cross-section heat conductive pad scheme in the utility model Fig. 8.
Figure 10 is that the battery in the utility model Fig. 8 using I-shaped cross-section heat conductive pad scheme installs stereogram.
Figure 11 is the partial enlarged drawing using king's shaped sections heat conductive pad scheme in the utility model Fig. 8.
Figure 12 is that the battery in the utility model Fig. 8 using king's shaped sections heat conductive pad scheme installs stereogram.
Figure 13 is the king's shaped sections heat conductive pad stereogram in the utility model Fig. 8.
Wherein, 1 is Battery case；2 is into water main pipe；21 is main pipe water supply connector；3 is main water outlet pipe；31 is that main pipe goes out
Water swivel；4 are into and out water module；41 is into the total joint of water；42 is the total joint of water outlet；5 is flat heat exchange pipe；6 is cell；7
It is heat conductive pad.
Specific embodiment
As shown in Fig. 1-Figure 13, the monomer electricity that a row is arranged between adjacent flat heat exchange pipe 5 is used in Fig. 1-Fig. 7
Pond 6, arranges the cell 6 of two rows between flat heat exchange pipe 5 adjacent in Fig. 8-Figure 13.Battery case 1 is sealing structure,
Inlet and outlet water module 4 is set on the side wall of Battery case 1, through the total joint 41 of setting water inlet and the total joint of water outlet in Inlet and outlet water module 4
42。
The internal cell module of Battery case 1 arrangement may be configured as 1-3 layers, with specific reference to the inner space size of Battery case 1
Depending on.Every layer of arrangement is consistent, wherein one layer of battery arrangement schematic diagram is as shown in Figure 1.
Against side wall parallel arrangement water inlet main pipe 2 and the main water outlet that the inside two of Battery case 1 is relative in every layer of battery modules
Pipe 3, intake main pipe 2 and the elongated shape of main water outlet pipe 3, rectangular cross-section.In water inlet main pipe 2 and one end of main water outlet pipe 3
On be respectively provided with main pipe water supply connector 21 and main pipe water out adapter 31, intake total total joint 42 of joint 41, water outlet respectively with main pipe
Water supply connector 21, main pipe water out adapter 31 are connected by flexible pipe.
The flat heat exchange pipe 5 that 2-50 bars are parallel to each other is arranged vertically between water inlet main pipe 2 and main water outlet pipe 3, is changed to improve
Heat energy power and the ability that is squeezed, flat heat exchange pipe 5 preferentially use porous flat pipe.Installation and both positive and negative polarity for the ease of cell 6
The installation of lug is fixed, and the height of porous flat pipe is less than the height of cell 6.
The two ends of flat heat exchange pipe 5 are respectively welded at into water main pipe 2 and the side wall of main water outlet pipe 3, and water inlet need to be ensured in welding
Main pipe 2, main water outlet pipe 3 and the internal flow runner of flat heat exchange pipe 5 it is unimpeded.Between every two adjacent flat heat exchange pipes 5, closely
Arrangement 1-2 row cylinder power cell 6, in Fig. 1, Fig. 2, arranges 31 flat heat exchange pipes 5 being parallel to each other, every two phases
1 row cell 6 is arranged between adjacent flat heat exchange pipe 5, that is, arranges 30 row cells 6.
Space between cell 6 and flat heat exchange pipe 5 is filled using the specification heat conductive pad 7 of strip, its length with
The width of flat heat exchange pipe 5 is consistent.For trapezoidal and I-shaped, partial enlarged drawing divides the cross sectional shape of heat conductive pad 7 used in this implementation
Not as shown in Fig. 2, Fig. 5, using the heat conductive pad 7 of trapezoid cross section installation as shown in figure 3, corresponding trapezoid cross section heat conductive pad 7 such as
Shown in Fig. 4；Using the installation of the heat conductive pad 7 of trapezoid cross section as shown in figure 3, corresponding trapezoid cross section heat conductive pad 7 is as shown in Figure 4.
If arranging the cell 6 of two rows between adjacent flat heat exchange pipe 5, heat conductive pad 7 needs to coordinate with the cell 6 of two rows,
It is the heat conductive pad 7 of king's font, king's shaped sections heat conductive pad 7 it is seen that two pieces of I-shaped cross-section heat conductive pads then to use cross section
7 alignment are close to form, as shown in Fig. 9-Figure 13.
The bottom surface of trapezoid cross section heat conductive pad 7 is in close contact with the width face of flat heat exchange pipe 5, and two central plane is in concave arc
Shape, it is ensured that be in close contact with the lateral wall of cylinder cell 6.I-shaped cross-section heat conductive pad 7 is it is seen that two trapezoidal section
Face heat conductive pad 7 is staggered relatively to be formed.
The heat conductive pad 7 used in the utility model, also referred to as heat-conducting silica gel sheet, heat conduction silica gel pad, thermal conductive silicon rubber cushion,
Insulating heat-conductive piece, soft cooling pad etc., pass with good sticky, flexible, good compression performance and with excellent heat
Conductance.Its thermal conductivity factor is general between 1.9-3.0w/m.k, good insulation preformance, and 1mm thickness electric insulation indexes are at 4000 volts
More than.
Meanwhile, outside electrokinetic cell casing 1, by the cold pipeline of liquid by heater, radiator, micropump, control valve etc. and enter
The total joint 41 of water inlet in water outlet module 4 is connected with the total joint 42 of water outlet, forms liquid cooling loop.In liquid cooling loop,
Carry out the fluid usually deionized water of heat transfer and the mixed liquor of alcohols.
Main working process is, when battery temperature is too high, starts radiator, does not start heater, by electric with monomer
Heat conductive pad 7, the flat heat exchange pipe 5 that pond 6 is in close contact by the heat transfer of battery to the fluid in flat heat exchange pipe 5, set out by fluid stream
Heat by heat sink external environment, is reached the purpose of battery radiating by power battery case；When battery temperature is too low, start
Heater, do not start radiator, heater heats fluid, the fluid after intensification enters flat heat exchange pipe 5, it is flat again by exchanging heat
Pipe 5, heat conductive pad 7 transfer heat to cell 6, reach the purpose of heat temperature raising.
The utility model has the advantage of：
（1）This programme uses liquid refrigeration technique, is in close contact by flat heat exchange pipe 5, strip heat conductive pad 7 and cell 6,
So that the side wall surrounding of cell 6 is all closely coated by Heat Conduction Material, in flat heat exchange pipe 5 heat of hot fluid or cold fluid or
Cold passes to cell 6 in itself by heat conductive pad 7 and flat heat exchange pipe 5, and the heat transfer is carried out by heat-conducting mode, heat-conducting area
Can be with the maximized sidewall area close to cell 6 so that heat-conducting area increases, heat transfer is rapid, can realize to list
Body battery 6 is brought rapidly up and control of lowering the temperature.
（2）Many flat heat exchange pipes 5 are arranged in parallel between Inlet and outlet water main pipe 3, it is to avoid caused using single flat heat exchange pipe 5
The excessive problem of upstream and downstream temperature difference so that the battery temperature difference in every layer of module is smaller, meanwhile, being arranged in juxtaposition to cause
The each piece of distribution of flat heat exchange pipe 5 gained inflow and water intake velocity are of substantially equal, in the equal situation of every quantity of row cell 6
Under, the heating amount or amount of cooling water that each cell 6 is obtained are of substantially equal, can cause that cell 6 obtains temperature very high
Homogeneity.
（3）Flat heat exchange pipe 5 and heat conductive pad 7 can not only play a part of heat transfer, at the same also by each piece of cell 6 every
Open, so, even if in the case that any one piece of cell 67 occurs thermal runaway, even explodes because temperature is too high, can
Avoid being improved because of chain runaway effect caused by one piece of thermal runaway of cell 6 security of electrokinetic cell casing 1.
（4）Due to being provided with heat conductive pad 7 in the utility model between flat heat exchange pipe 5 and cell 6, when same battery
When the cell 6 of different model is installed in casing 1, matching heat conductive pad only need to be changed, be easy to modular life
Produce and manage.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
Protection domain of the present utility model.
Claims (4)
1. a kind of cold and hot control casing of cylinder electrokinetic cell liquid, including Battery case, be provided with the side wall of Battery case into
Water outlet module, it is characterised in that：It is respectively arranged with and entering that Inlet and outlet water module is connected on the relative both sides inwall of Battery case
Jellyfish pipe and main water outlet pipe, are connected with the flat heat exchange pipe of parallel arrangement, between flat heat exchange pipe between water inlet main pipe and main water outlet pipe
Heat conductive pad is provided with, the groove coordinated with battery is provided with heat conductive pad, heat conductive pad is centered around the surrounding of battery.
2. the cold and hot control casing of a kind of cylinder electrokinetic cell liquid according to claim 1, it is characterised in that：The height of heat conductive pad
Degree is identical with battery, and the cross section of heat conductive pad is trapezoidal, I-shaped or king's font.
3. the cold and hot control casing of a kind of cylinder electrokinetic cell liquid according to claim 1, it is characterised in that：Inlet and outlet water module
Including total joint and the total joint of water outlet of intaking.
4. the cold and hot control casing of a kind of cylinder electrokinetic cell liquid according to claim 3, it is characterised in that：In water inlet main pipe
Main pipe water supply connector is provided with, main pipe water out adapter is provided with main water outlet pipe, total joint of intaking passes through water supply hose and main pipe
Water supply connector is connected, and the total tieing of water outlet is connected by main water outlet pipe with main pipe water out adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303164.2U CN206312969U (en) | 2016-11-30 | 2016-11-30 | A kind of cold and hot control casing of cylinder electrokinetic cell liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303164.2U CN206312969U (en) | 2016-11-30 | 2016-11-30 | A kind of cold and hot control casing of cylinder electrokinetic cell liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206312969U true CN206312969U (en) | 2017-07-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303164.2U Expired - Fee Related CN206312969U (en) | 2016-11-30 | 2016-11-30 | A kind of cold and hot control casing of cylinder electrokinetic cell liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206312969U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450093A (en) * | 2016-11-30 | 2017-02-22 | 河南森源重工有限公司 | Liquid cooling and heating control box body for cylinder power battery |
| CN108511844A (en) * | 2018-03-13 | 2018-09-07 | 孔瑞清 | Flexible heat conduction item and its application in power battery cooling system |
| CN109686887A (en) * | 2018-12-27 | 2019-04-26 | 合肥工业大学 | A kind of cylinder power battery liquid cooling heat management structure for preventing thermal runaway from extending |
| CN111628244A (en) * | 2020-06-28 | 2020-09-04 | 河南新太行电源股份有限公司 | Heat transfer elasticity anchor clamps and heat abstractor of cylinder lithium cell |
-
2016
- 2016-11-30 CN CN201621303164.2U patent/CN206312969U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450093A (en) * | 2016-11-30 | 2017-02-22 | 河南森源重工有限公司 | Liquid cooling and heating control box body for cylinder power battery |
| CN108511844A (en) * | 2018-03-13 | 2018-09-07 | 孔瑞清 | Flexible heat conduction item and its application in power battery cooling system |
| CN108511844B (en) * | 2018-03-13 | 2020-09-29 | 上海豪骋智能科技有限公司 | Application of flexible heat conduction strip in power battery heat dissipation system |
| CN109686887A (en) * | 2018-12-27 | 2019-04-26 | 合肥工业大学 | A kind of cylinder power battery liquid cooling heat management structure for preventing thermal runaway from extending |
| CN111628244A (en) * | 2020-06-28 | 2020-09-04 | 河南新太行电源股份有限公司 | Heat transfer elasticity anchor clamps and heat abstractor of cylinder lithium cell |
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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 |
Granted publication date: 20170707 Termination date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |