CN207910030U - A kind of preheating of power battery pack and cooling heat exchange device - Google Patents
A kind of preheating of power battery pack and cooling heat exchange device Download PDFInfo
- Publication number
- CN207910030U CN207910030U CN201820163117.5U CN201820163117U CN207910030U CN 207910030 U CN207910030 U CN 207910030U CN 201820163117 U CN201820163117 U CN 201820163117U CN 207910030 U CN207910030 U CN 207910030U
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- CN
- China
- Prior art keywords
- battery pack
- power battery
- shaped cylinder
- heat exchanger
- refrigerant fluid
- 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.)
- Expired - Fee Related
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model 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 utility model 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 utility model is related to a kind of power battery pack preheating and cooling heat exchange device, more particularly to be new energy vapour
The preheating of power battery pack and cooling problem in vehicle field.
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 all oil-engine driven gasoline cars of sale 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 utility model patent of CN205723870U discloses " a kind of electric automobile lithium battery cool and heat ", passes through electricity
The water pipe of pond group surface layout exchanges heat, and contact area is limited and heat exchange efficiency is low, does not simply fail to effectively to power electric
Pond group cools down, and Full Vehicle System design is made to complicate, and increases the weight of power battery pack.
On the other hand, the new-energy automobile for using cylindrical power battery group at present, preheats battery pack or is cooled down
Technology it is also immature, the utility model design device can efficiently solve this problem, be applicable not only to rectangular cell,
It is also applied for cylindrical battery simultaneously.In fact, the device is not limited to cell shapes.
Utility model content
The utility model aims to solve the problem that above-mentioned technical problem, provides a kind of technical solution, utilizes air-conditioning system refrigerant stream
Body carries out efficiently preheating and cooling to power battery pack.
In order to solve the above-mentioned technical problem, the utility model provides a kind of preheating of power battery pack and cooling heat transferring dress
It sets, including U-shaped cylinder, temperature sensor, controller and air-conditioning system, the temperature sensor includes temp probe；It is described U-shaped
The top of cylinder is equipped with flange upper cover, which is characterized in that spiral deflector, the spiral deflector are equipped in the U-shaped cylinder
On be disposed with multiple fixed battery heat exchanger tubes, each fixed battery heat exchanger tube is wrapped in a battery list in power battery pack
Body, 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 first
Refrigerant fluid inlet and outlet is equipped with drainage plate, institute between the upper end of the spiral deflector and the first refrigerant fluid inlet and outlet
The bottom for stating U-shaped cylinder is equipped with the second refrigerant fluid inlet and outlet, the first refrigerant fluid inlet and outlet and the air-conditioning system
High temperature refrigerant steam channel is connected, the low temperature refrigerant fluid passage phase of the second refrigerant fluid inlet and outlet and the air-conditioning system
Even；Using the spiral deflector spiral heat exchanger channels, the temperature are formd between U-shaped cylinder and fixed battery heat exchanger tube
Degree probe is arranged in the power battery pack.
Further, the power battery pack preheating of the utility model and cooling heat exchange device, wherein the flange upper cover
It is equipped with power battery pack positive outside wire pipe, 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.
It is equipped with gasket seal between the U-shaped cylinder and flange upper cover, and is fixed by fastening bolt and nut, makes
It is an airtight cavity to obtain U-shaped cylinder lumen.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model provides a kind of preheating of power battery pack and cooling heat exchange device, takes up space small, again
Amount is light and simplifies Full Vehicle System structure design.
(2) present apparatus uses novel screw type structure, significantly increases heat exchange area, while utilizing 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 ensuring 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 the utility model power battery pack preheating and cooling device；
Fig. 2 is the schematic diagram of position relationship between spiral deflector and fixed battery heat exchanger tube in the utility model；
Fig. 3 is the system schematic of the utility model power battery pack preheating and cooling device；
Fig. 4 is the preheating of the utility model power battery pack and cooling control flow chart；
In figure：10- flange upper covers, 11- fastening bolts, 12- nuts, 13-U type tube bodies, 14- power battery pack 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 implementation mode
The utility model provides a kind of preheating of power battery pack and cooling heat exchange device.Below in conjunction with the accompanying drawings to this reality
It is described in more detail with novel technical characteristic.
The utility model proposes a kind of preheating of power battery pack and cooling heat exchange device, as shown in Figure 1, including U-shaped
Cylinder 13, temperature sensor 40, controller 50 and air-conditioning system 60, the temperature sensor 40 include temp probe 41；The U
The top of type tube body 13 is equipped with flange upper cover 10, gasket seal 16 is equipped between the U-shaped cylinder 13 and flange upper cover 10, and lead to
It crosses fastening bolt 11 to be fixed with nut 12 so that 13 inner cavity of U-shaped cylinder is an airtight cavity, and effect is to ensure that this is close
Close heat-exchanger rig No leakage.The flange upper cover 10 is detachable, is conveniently replaceable inner components.
As depicted in figs. 1 and 2, it is equipped with spiral deflector 20 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 may be implemented easily to replace 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 13 internal face of U-shaped 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 is equipped with drainage plate 22, the drainage plate 22 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 layer 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 the heat exchange areas of air conditioner coolant and 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 are sensed in closed heat-exchanger rig and are passed after the temperature of power battery pack 30
It is defeated by temperature sensor 40, 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 execute the temperature adjusting to power battery pack 30, and realization is preheated and cooled down to power battery pack 30.
As shown in figures 1 and 3, in the utility model, the flange upper cover 10 is equipped with power battery pack positive outside wire
Pipe 15, the power battery pack positive outside wire pipe 15 are fixed by being brazed after coordinating with aperture transition in flange upper cover 10,
Inner wall uniformly smears high strength insulating varniss, and power battery pack 30 is made safely to supply electricity to Full Vehicle System.The bottom of the U-shaped cylinder 13
Portion is equipped with power battery pack negative outside wire pipe 14.The power battery pack negative outside wire pipe 14 by with 13 bottom of U-shaped cylinder
It is brazed and fixes after aperture transition cooperation in portion, inner wall uniformly smears high strength insulating varniss, power battery pack 30 is made safely to supply
Supply electricity to Full Vehicle System.
To sum up, spiral refrigerant fluid channel structure is used in the utility model, is increased heat exchange area, is utilized simultaneously
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
It exchanges heat uniformly and fully, improves heat exchange efficiency, ensure that battery pack is in optimum working temperature state point and good
The equal property of battery temperature enhances power battery pack cruising ability so as to shorten the charge cycle of battery.
The power battery pack preheating of the utility model 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 preheating of the utility model power battery pack and cooling control flow chart.It is surveyed by temp probe 41
The temperature of power battery pack 30 is obtained, inverted signal is transferred to controller 50 by temperature sensor 40, and controller 50 judges current work
Make whether temperature 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
System 60 makes the temperature of power battery pack 30 be in optimum temperature area.
Although the utility model is described above in conjunction with attached drawing, the utility model is not limited to above-mentioned
Specific implementation mode, the above mentioned embodiment is only schematical, rather than restrictive, the ordinary skill of this field
Personnel are under the enlightenment of the utility model, in the case where not departing from the utility model aims, can also make many variations, this
It belongs within the protection of the utility model a bit.
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 is equipped with drainage plate (22) 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 high temperature refrigerant steam channel of the first refrigerant fluid inlet and outlet (18) and 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) it is equipped with power battery pack positive outside wire pipe (15), 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) it is equipped with gasket seal (16) between flange upper cover (10), and is fixed by fastening bolt (11) and nut (12),
So that U-shaped cylinder (13) inner cavity is an airtight cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820163117.5U CN207910030U (en) | 2018-01-30 | 2018-01-30 | A kind of preheating of power battery pack and cooling heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820163117.5U CN207910030U (en) | 2018-01-30 | 2018-01-30 | A kind of preheating of power battery pack and cooling heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910030U true CN207910030U (en) | 2018-09-25 |
Family
ID=63561728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820163117.5U Expired - Fee Related CN207910030U (en) | 2018-01-30 | 2018-01-30 | A kind of preheating of power battery pack and cooling heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199116A (en) * | 2018-01-30 | 2018-06-22 | 天津大学 | A kind of power battery pack preheating and cooling heat exchange device |
-
2018
- 2018-01-30 CN CN201820163117.5U patent/CN207910030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199116A (en) * | 2018-01-30 | 2018-06-22 | 天津大学 | A kind of power battery pack preheating and cooling heat exchange device |
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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: 20180925 Termination date: 20220130 |