CN108199116A - A kind of power battery pack preheating and cooling heat exchange device - Google Patents
A kind of power battery pack preheating and cooling heat exchange device Download PDFInfo
- Publication number
- CN108199116A CN108199116A CN201810089398.9A CN201810089398A CN108199116A CN 108199116 A CN108199116 A CN 108199116A CN 201810089398 A CN201810089398 A CN 201810089398A CN 108199116 A CN108199116 A CN 108199116A
- Authority
- CN
- China
- Prior art keywords
- battery pack
- power battery
- shaped cylinder
- heat exchanger
- heat exchange
- Prior art date
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000004378 air conditioning Methods 0.000 claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
-
- 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
Abstract
The invention discloses a kind of preheating of power battery pack and cooling heat exchange devices, including U-shaped cylinder, temperature sensor, controller and air-conditioning system, spiral deflector is equipped in U-shaped cylinder, multiple fixed battery heat exchanger tubes are disposed on spiral deflector, each fixed battery heat exchanger tube is wrapped in a battery cell in power battery pack, the top side wall of U-shaped cylinder is equipped with the first refrigerant fluid inlet and outlet, and the bottom of U-shaped cylinder is equipped with the second refrigerant fluid inlet and outlet；Spiral heat exchanger channels are formd between U-shaped cylinder and fixed battery heat exchanger tube using spiral deflector, temp probe is arranged in power battery pack.The present invention uses spiral heat exchanger channels structure, increase heat exchange area, refrigerant with each battery cell uniformly, fully exchange heat, improve heat exchange efficiency, it ensure that battery pack is in optimum working temperature state point and the equal property of good battery temperature, so as to shorten the charge cycle of battery, power battery pack cruising ability is enhanced.
Description
Technical field
The present invention relates to a kind of power battery pack preheating and cooling heat exchange device, more particularly to be new-energy automobile neck
The preheating of power battery pack and cooling problem in domain.
Background technology
In recent years, the impetus of new-energy automobile replacing fuel oil vehicle is increasingly fierce, and Britain and French Government difference announced plans exist
The year two thousand forty home stops selling all oil-engine driven gasoline cars and diesel vehicle.Volvo, Lincoln's brand also promise to undertake from
Electric or hybrid vehicle will be only sold from 2019.Thus it is guaranteed that power battery pack maintains optimum working temperature Qu works
It is made for urgent problem to be solved.
On the one hand, new-energy automobile power battery group is mostly using water or air as heat exchange medium, for example, notification number is
The Chinese invention patent of CN205723870U discloses " a kind of electric automobile lithium battery cools and heats ", passes through battery pack
The water pipe of surface layout exchanges heat, and contact area is limited and heat exchange efficiency is low, does not simply fail to effectively to power battery pack
Cool down, and complicate Full Vehicle System design, increase the weight of power battery pack.
On the other hand, the new-energy automobile of cylindrical power battery group is used at present, and battery pack is preheated or is cooled down
Technology it is also immature, the device that designs of the present invention can efficiently solve this problem, be applicable not only to rectangular cell, simultaneously
It is also applied for cylindrical battery.In fact, the device is not limited to cell shapes.
Invention content
Present invention seek to address that above-mentioned technical problem, provides a kind of technical solution, air-conditioning system refrigerant fluid pair is utilized
Power battery pack efficiently preheat and cool down.
In order to solve the above technical problem, the present invention provides a kind of power battery pack preheating and cooling heat exchange device,
Including U-shaped cylinder, temperature sensor, controller and air-conditioning system, the temperature sensor includes temp probe；The U-shaped cylinder
The top of body is equipped with flange upper cover, which is characterized in that spiral deflector is equipped in the U-shaped cylinder, on the spiral deflector
Multiple fixed battery heat exchanger tubes are disposed with, each fixed battery heat exchanger tube is wrapped in a battery cell in power battery pack,
The outer of the spiral deflector and the inner wall of the U-shaped cylinder weld, and the top side wall of the U-shaped cylinder is equipped with the first refrigerant
Fluid inlet and outlet is equipped with drainage plate between the upper end of the spiral deflector and the first refrigerant fluid inlet and outlet, described U-shaped
The bottom of cylinder is equipped with the second refrigerant fluid inlet and outlet, and the first refrigerant fluid inlet and outlet and the high temperature of the air-conditioning system are cold
Matchmaker's steam channel is connected, and the second refrigerant fluid inlet and outlet is connected with the low temperature refrigerant fluid passage of the air-conditioning system；Profit
Spiral heat exchanger channels are formd between U-shaped cylinder and fixed battery heat exchanger tube with the spiral deflector, the temperature is visited
Head is arranged in the power battery pack.
Further, power battery pack of the invention preheating and cooling heat exchange device, wherein, it is set on lid on the flange
Dynamic battery anode draws spool, and the bottom of the U-shaped cylinder is equipped with power battery pack negative outside wire pipe.
The outer wall of the fixed battery heat exchanger tube is fixed with spiral deflector by mechanical expanding or hydraulic expanding tube, described solid
The inner wall for determining battery heat exchanger tube uniformly smears high strength insulating varniss.
Gasket seal is equipped between the U-shaped cylinder and flange upper cover, and passes through fastening bolt and is fixed with nut, is made
It is an airtight cavity to obtain U-shaped cylinder lumen.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) it the present invention provides a kind of preheating of power battery pack and cooling heat exchange device, takes up space small, light-weight
And simplify Full Vehicle System structure design.
(2) present apparatus employs novel screw type structure, significantly increases heat exchange area, while utilize air-conditioning system refrigerant
Fluid enters from spiral deflector one end flows through each fixed battery heat exchanger tube, and each battery cell is made to carry out uniformly and fully
Heat exchange, improves heat exchange efficiency, while also ensures that power battery pack has the equal property of good temperature, so as to shorten filling for battery
The electric period increases the cruising ability of power battery pack.
(4) present apparatus can detect internal battery pack temperature by humidity control system, realize that power battery pack accurately preheats
And cooling.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of power battery pack of the present invention preheating and cooling device；
Fig. 2 is the schematic diagram of position relationship between spiral deflector and fixed battery heat exchanger tube in the present invention；
Fig. 3 is the system schematic of power battery pack of the present invention preheating and cooling device；
Fig. 4 is the control flow chart that power battery pack of the present invention is preheated and cooled down；
In figure：10- flange upper covers, 11- fastening bolts, 12- nuts, 13-U type tube bodies, 14- power battery packs cathode are drawn
Spool, 15- power battery pack positive outside wire pipes, 16- gasket seals, 17- the second refrigerant fluid inlet and outlets, the first refrigerants of 18-
Fluid inlet and outlet, 20- spiral deflectors, 21- fix battery heat exchanger tube, 22- drainage plates, 30- power battery packs, 40- temperature biography
Sensor, 41- temp probes, 50- controllers, 60- air-conditioning systems.
Specific embodiment
The present invention provides a kind of preheating of power battery pack and cooling heat exchange devices.Below in conjunction with the accompanying drawings to the present invention's
Technical characteristic is described in more detail.
A kind of power battery pack preheating proposed by the present invention and cooling heat exchange device, as shown in Figure 1, including U-shaped cylinder
13rd, temperature sensor 40, controller 50 and air-conditioning system 60, the temperature sensor 40 include temp probe 41；The U-shaped cylinder
The top of body 13 is equipped with flange upper cover 10, and gasket seal 16 is equipped between the U-shaped cylinder 13 and flange upper cover 10, and passes through tight
Fixing bolt 11 is fixed with nut 12 so that U-shaped 13 inner cavity of cylinder is an airtight cavity, and effect is to ensure that this closed is changed
Thermal No leakage.The flange upper cover 10 is detachable, is conveniently replaceable inner components.
As depicted in figs. 1 and 2, spiral deflector 20 is equipped in the U-shaped cylinder 13, is arranged on the spiral deflector 20
Have multiple fixed battery heat exchanger tubes 21, the outer wall of the fixed battery heat exchanger tube 21 and spiral deflector 20 by mechanical expanding or
Hydraulic expanding tube is fixed, and the inner wall of the fixed battery heat exchanger tube 21 uniformly smears high strength insulating varniss, and effect is fixed and protects
Protect power battery pack 30.It is either preheating still in a cooling mode, refrigerant fluid flows uniformly through each fixed battery and changes
Heat pipe 21, the fixed battery heat exchanger tube 21, which can be realized, easily replaces battery cell.
As shown in Fig. 2, each fixed battery heat exchanger tube 21 is wrapped in a battery cell in power battery pack 30, institute
It states spiral deflector 20 and is surrounded on U-shaped 13 internal face of cylinder and form spiral heat exchanger channels, the outer of the spiral deflector 20
It is welded with the inner wall of the U-shaped cylinder 13, the top side wall of the U-shaped cylinder 13 is equipped with the first refrigerant fluid inlet and outlet 18, institute
It states and drainage plate 22, the drainage plate 22 is equipped between the upper end of spiral deflector 20 and the first refrigerant fluid inlet and outlet 18
At refrigerant inlet, the soldering of the drainage plate 22 and spiral deflector 20 is fixed, and effect is guiding refrigerant fluid from peak
It flows into lower floor or the refrigerant fluid after heat exchange is made smoothly to flow out.
The bottom of the U-shaped cylinder 13 is equipped with the second refrigerant fluid inlet and outlet 17, the first refrigerant fluid inlet and outlet 18
It is connected with the high temperature refrigerant steam channel of the air-conditioning system 60, the second refrigerant fluid inlet and outlet 17 and the air-conditioning system
60 low temperature refrigerant fluid passage is connected；Using the spiral deflector 20 U-shaped cylinder 13 and fixed battery heat exchanger tube 21 it
Between form spiral heat exchanger channels, which increases significantly air conditioner coolants and the heat exchange area of power battery pack, extend refrigerant
The heat-exchange time of fluid and power battery pack 30, meanwhile, refrigerant fluid in the flow process of spiral heat exchanger channels with fixation
Battery heat exchanger tube 21 exchanges heat and then heat is directly passed to each battery cell of power battery pack 30, ensure that power battery
Group 30 has the equal property of good temperature.
As shown in figure 3, the temp probe 41 is arranged in the power battery pack 30, closed cylinder can be accurately detected
The temperature of power battery pack in body, the temp probe 41 is sensed in closed heat-exchanger rig to be passed after the temperature of power battery pack 30
Temperature sensor 40 is defeated by, temperature sensor 40 is by feedback signal transmission to controller 50, and subsequent controller 50 is to air-conditioning system
60, which send out instruction, makes it perform the temperature adjusting to power battery pack 30, realizes and power battery pack 30 is preheated and cooled down.
As shown in figures 1 and 3, in the present invention, the flange upper cover 10 is equipped with power battery pack positive outside wire pipe 15,
For the power battery pack positive outside wire pipe 15 by being fixed with being brazed after aperture transition cooperation in flange upper cover 10, inner wall is equal
Even smearing high strength insulating varniss, makes power battery pack 30 safely supply electricity to Full Vehicle System.The bottom of the U-shaped cylinder 13 is equipped with
Power battery pack negative outside wire pipe 14.The power battery pack negative outside wire pipe 14 by with it is small on U-shaped 13 bottom of cylinder
It is brazed and fixes after the transition cooperation of hole, inner wall uniformly smears high strength insulating varniss, power battery pack 30 made safely to supply electricity to whole
Vehicle system.
To sum up, spiral refrigerant fluid channel structure is employed in the present invention, increases heat exchange area, while utilize air-conditioning
System refrigerant fluid enters from spiral deflector one end, flows through each fixed battery heat exchanger tube, is carried out with a battery cell uniform
And fully exchange heat, heat exchange efficiency is improved, ensure that battery pack is in optimum working temperature state point and good battery
The equal property of temperature, so as to shorten the charge cycle of battery, enhances power battery pack cruising ability.
The power battery pack preheating of the present invention and the operating mode of cooling heat exchange device are as follows:
Under preheating mode, the high temperature refrigerant steam of air-conditioning system 60 enters from the first refrigerant fluid inlet and outlet 18 by drainage plate
22 introducings ensure and fully preheat that high temperature refrigerant steam is adopted under the pattern uniform to each battery cell of power battery pack 30
Take " upper entering and lower leaving " mode.
Under refrigerating mode, the low temperature refrigerant liquid of air-conditioning system 60 enters from the second refrigerant fluid inlet and outlet 17 is led by spiral
The bottom of flowing plate 22 flow to the top layer of spiral deflector 22, and each of power battery pack 30 is made in the flowing of low temperature refrigerant liquid
Battery cell is uniform and is sufficiently cool, and low temperature refrigerant liquid takes " bottom in and top out " mode under the pattern.
Fig. 4 show the control flow chart of power battery pack preheating and cooling of the present invention.It is measured by temp probe 41 dynamic
Inverted signal is transferred to controller 50 by the temperature of power battery pack 30, temperature sensor 40, and controller 50 judges work at present temperature
Whether degree is in optimum working temperature area, i.e. T1≤TWork≤T2.If current operating temperature is in optimum working temperature area, close
Air-conditioning system；If current operating temperature is not at optimum working temperature area, air-conditioning system is continued on, until air-conditioning system 60
The temperature of power battery pack 30 is made to be in optimum temperature area.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited in above-mentioned specific implementations
Mode, above-mentioned specific embodiment is only schematical rather than restricted, and those of ordinary skill in the art are at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's
Within protection.
Claims (4)
1. a kind of power battery pack preheating and cooling heat exchange device, including U-shaped cylinder (13), temperature sensor (40), control
Device (50) and air-conditioning system (60), the temperature sensor (40) include temp probe (41)；The top of the U-shaped cylinder (13)
Equipped with flange upper cover (10), which is characterized in that be equipped with spiral deflector (20), the spiral stream guidance in the U-shaped cylinder (13)
Multiple fixed battery heat exchanger tubes (21) are disposed on plate (20), each fixed battery heat exchanger tube (21) is wrapped in power battery pack
(30) battery cell in, the outer of the spiral deflector (20) and the inner wall of the U-shaped cylinder (13) weld, described
The top side wall of U-shaped cylinder (13) is equipped with the first refrigerant fluid inlet and outlet (18), the upper end of the spiral deflector (20) and institute
It states and drainage plate (22) is equipped between the first refrigerant fluid inlet and outlet (18), the bottom of the U-shaped cylinder (13) is equipped with the second refrigerant
Fluid inlet and outlet (17), the first refrigerant fluid inlet and outlet (18) and the high temperature refrigerant steam channel of the air-conditioning system (60)
It is connected, the second refrigerant fluid inlet and outlet (17) is connected with the low temperature refrigerant fluid passage of the air-conditioning system (60)；It utilizes
The spiral deflector (20) forms spiral heat exchanger channels between U-shaped cylinder (13) and fixed battery heat exchanger tube (21),
The temp probe (41) is arranged in the power battery pack (30).
2. power battery pack preheating and cooling heat exchange device according to claim 1, which is characterized in that the flange upper cover
(10) power battery pack positive outside wire pipe (15) is equipped with, the bottom of the U-shaped cylinder (13) is equipped with power battery pack cathode
Draw spool (14).
3. power battery pack preheating and cooling heat exchange device according to claim 1, which is characterized in that the fixed battery
The outer wall of heat exchanger tube (21) is fixed with spiral deflector (20) by mechanical expanding or hydraulic expanding tube, the fixed battery heat exchanger tube
(21) inner wall uniformly smears high strength insulating varniss.
4. power battery pack preheating and cooling heat exchange device according to claim 1, which is characterized in that the U-shaped cylinder
(13) gasket seal (16) is equipped between flange upper cover (10), and passes through fastening bolt (11) and is fixed with nut (12),
So that U-shaped cylinder (13) inner cavity is an airtight cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089398.9A CN108199116A (en) | 2018-01-30 | 2018-01-30 | A kind of power battery pack preheating and cooling heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810089398.9A CN108199116A (en) | 2018-01-30 | 2018-01-30 | A kind of power battery pack preheating and cooling heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108199116A true CN108199116A (en) | 2018-06-22 |
Family
ID=62591864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810089398.9A Pending CN108199116A (en) | 2018-01-30 | 2018-01-30 | A kind of power battery pack preheating and cooling heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108199116A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794901A (en) * | 2010-03-04 | 2010-08-04 | 重庆大学 | Heat dissipation structure of power battery packs for hybrid power vehicle |
| CN105070974A (en) * | 2015-07-16 | 2015-11-18 | 金龙联合汽车工业（苏州）有限公司 | Battery pack temperature regulation system |
| CN105990538A (en) * | 2015-02-10 | 2016-10-05 | 广东万锦科技股份有限公司 | Tube-type heat exchange power battery module device and manufacturing method thereof |
| CN106225329A (en) * | 2016-08-31 | 2016-12-14 | 桑小飞 | The plug-in module of shell-type exchangers, water-cooled and water-cooling system |
| CN207910030U (en) * | 2018-01-30 | 2018-09-25 | 天津大学 | A kind of preheating of power battery pack and cooling heat exchange device |
-
2018
- 2018-01-30 CN CN201810089398.9A patent/CN108199116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101794901A (en) * | 2010-03-04 | 2010-08-04 | 重庆大学 | Heat dissipation structure of power battery packs for hybrid power vehicle |
| CN105990538A (en) * | 2015-02-10 | 2016-10-05 | 广东万锦科技股份有限公司 | Tube-type heat exchange power battery module device and manufacturing method thereof |
| CN105070974A (en) * | 2015-07-16 | 2015-11-18 | 金龙联合汽车工业（苏州）有限公司 | Battery pack temperature regulation system |
| CN106225329A (en) * | 2016-08-31 | 2016-12-14 | 桑小飞 | The plug-in module of shell-type exchangers, water-cooled and water-cooling system |
| CN207910030U (en) * | 2018-01-30 | 2018-09-25 | 天津大学 | A kind of preheating of power battery pack and cooling heat exchange device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180622 |