CN208723050U - Temperature control system, battery pack thermal management system, Thermal Management System for EV Battery Packs based on magnetic Refrigeration Technique - Google Patents
Temperature control system, battery pack thermal management system, Thermal Management System for EV Battery Packs based on magnetic Refrigeration Technique Download PDFInfo
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- CN208723050U CN208723050U CN201821609198.3U CN201821609198U CN208723050U CN 208723050 U CN208723050 U CN 208723050U CN 201821609198 U CN201821609198 U CN 201821609198U CN 208723050 U CN208723050 U CN 208723050U
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005057 refrigeration Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 230000017525 heat dissipation Effects 0.000 claims abstract description 90
- 230000005855 radiation Effects 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 55
- 239000012530 fluid Substances 0.000 claims abstract description 50
- 125000006850 spacer group Chemical group 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 56
- 239000011553 magnetic fluid Substances 0.000 abstract description 51
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
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- 239000000203 mixture Substances 0.000 description 6
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- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 235000019628 coolness Nutrition 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000017986 regulation of heat dissipation Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
Present disclose provides a kind of temperature control systems based on magnetic Refrigeration Technique, battery pack thermal management system, Thermal Management System for EV Battery Packs, the side of heat dissipation tank and storage case passes through hot-fluid piping connection, the other side passes through cold flow piping connection, forming circuit, heat dissipation tank includes heat radiation box, outer is successively arranged with multiple cooling fins, and inner surface is provided with electromagnet and heating pipeline；Storage case includes external heat insulating box and internal microchannel spacer plate box, microchannel spacer plate box includes multiple accommodating chambers being separated by with microchannel partition, before cabinet, rear surface is internally provided with horizontal and vertical several connecting lines, microchannel diaphragm internal is provided with multiple connecting branches, connecting branch is connected to connecting line, magnetic fluid coolant liquid is caused to generate temperature drop when flowing out heat dissipation tank using the magnetothermal effect of magnetic refrigerating material, it can be effectively reduced the temperature for entering the magnetic fluid coolant liquid in storage case from cold flow pipeline, keep the consistency for being applied the internal temperature of object.
Description
Technical field
This disclosure relates to a kind of temperature control system based on magnetic Refrigeration Technique, battery pack thermal management system, electric car
Battery pack thermal management system.
Background technique
Under the promotion of energy crisis and problem of environmental pollution, obtained using power battery as the new energy technology of representative fast
Speed development and extensive use.As the power resources of many equipment (by taking electric car as an example), the property of battery pack and equipment entirety
It can be closely related.
But it is above-mentioned using battery pack as the equipment of power resources in practical applications, usually by battery cell with series-parallel shape
Formula forms battery pack, for providing suitable voltage and enough electricity.In equipment operation or charging process, inside battery
Chemical reaction and the internal resistance of battery effect itself cause battery cell to generate heat and battery pack temperature are caused to increase, battery cell itself
The different calorific value differences with the battery cell in different location of the calorific value of different parts eventually lead to internal battery pack temperature
That spends is inconsistent.Under the temperature rise of battery pack and the inconsistent service life and capacity that will cause battery pack of internal battery pack temperature
Drop, or even cause thermal runaway, lead to safety accident.Meanwhile environment temperature it is lower or cold start-up when, inside battery chemical substance
Reaction speed slows down, battery pack charge and discharge capacity sharp fall, if being in cold operation or frequent low-temperature starting for a long time
Under dynamic state, the service life of battery pack can be also damaged.
The radiating mode of current battery group mainly has air-cooled, liquid cooling, phase-change material are cooling and heat pipe is cooling etc..Have and much exists
This respect makes the document of research, and still, these coolings or thermal management technology all have some disadvantages at present.
Such as Chinese invention patent CN102832425A, it is entitled " a kind of heat management system of batteries of electric automobile packet and its
Thermal management algorithm ", which is disclosed, places cold plate between two layers of battery to absorb the heat of battery generation, be equipped in cold plate one it is cold
But out of battery pack is taken heat in liquid stream road, and the high temperature coolant for flowing out battery pack is radiated by radiator and fan；But it radiates
The heat radiation power of device and fan is limited, when environment temperature is higher high temperature coolant flow through radiator cooling effect it is undesirable, together
When cold plate in cooling liquid flowing channel it is too long, temperature rise is excessively high in coolant flow, and pipe end cooling condition is poor, causes in battery pack
The temperature consistency in portion is not high.
Chinese utility model patent CN206546865U, it is entitled " a kind of cooling based on phase-change material and Air Coupling
Battery thermal management system " discloses the arrangement composite phase-change plate between battery cell and fin heat sink, and composite phase-change plate absorbs
The heat of battery cell generation is simultaneously transmitted on heat sink fin, flows through fin by air to take away heat；But fin dissipates
Battery pack volume is significantly increased in hot plate, reduces the rate in groups of battery pack, air cooled heat exchange effect when environment temperature is higher
Rate is low, and the poor temperature consistency for leading to internal battery pack of radiating condition of end fin is poor, in addition the heat management system
Do not have low-temperature heat ability.
To sum up, it is necessary to good temperature control be carried out to power battery pack, to improve the high temperature heat dissipation of battery pack and low
Warm heating efficiency, and keep the consistency of internal battery pack temperature.
Summary of the invention
The disclosure to solve the above-mentioned problems, proposes a kind of temperature control system based on magnetic Refrigeration Technique, battery pack
Heat management system, Thermal Management System for EV Battery Packs, the disclosure are based on magnetic Refrigeration Technique, utilize the magnetic heat of magnetic refrigerating material
Effect causes magnetic fluid coolant liquid to generate temperature drop when flowing out heat dissipation tank, can be effectively reduced and enters in storage case from cold flow pipeline
The temperature of magnetic fluid coolant liquid improves the heat dissipation effect for being applied object, keeps the consistency for being applied the internal temperature of object.
To achieve the goals above, the disclosure adopts the following technical scheme that
A kind of temperature control system based on magnetic Refrigeration Technique, including heat dissipation tank, storage case, hot-fluid pipeline, cold flow pipeline
And actuator, wherein by hot-fluid piping connection, the other side is connected by cold flow pipeline for the side of the heat dissipation tank and storage case
It connects, is formed into a loop, be provided with actuator on the circuit, to drive circulating for internal flow, the hot-fluid pipeline and cold
Flow tube road is provided with temperature sensor；
The heat dissipation tank includes heat radiation box, and the heat radiation box outer is successively arranged with multiple cooling fins, the heat dissipation
Multiple one-to-one electromagnets, setting in the heat radiation box are provided on the opposite inner wall of the inner surface at least two of cabinet
There is heating pipeline；
The storage case includes external heat insulating box and internal microchannel spacer plate box, and the microchannel spacer plate box includes
Multiple accommodating chambers being separated by with microchannel partition, microchannel partition box body front and back walls face are internally provided with lateral and vertical
To several connecting lines, the microchannel diaphragm internal is provided with multiple connecting branches, the connecting branch and the company
Connect pipeline connection；
By the working condition of control permanent magnet or heating pipeline, it is warm to realize that the fluid flowed out in heat dissipation tank reaches setting
Degree, and recycled in circuit under the action of actuator, it carries out being applied object cooling or heating to what is accommodated in accommodating chamber.
It is limited as further, the heat insulating box is cuboid opening shell made of heat-barrier material, cabinet or so
There are feed liquor through-hole and fluid through-hole out in two sides respectively, and on the position of feed liquor through-hole and microchannel spacer plate box the position of feed liquor manifold entrance
Match, the position that the position of fluid through-hole is exported with liquid outlet on the spacer plate box of microchannel out matches.
Matched by the position of above structure, guarantee the effective flowing of fluid in the spacer plate box of microchannel, cooperates microchannel
The connecting line and connecting branch of spacer plate box guarantee that fluid can be three-dimensional flows uniformly through each accommodating chamber, form uniform temperature control
Environment.
It is limited as further, is removably connected with case lid made of heat-barrier material on the heat insulating box.
It is limited as further, the fluid channel of the microchannel spacer plate box includes feed liquor house steward, feed liquor branch pipe, connection
Branch pipe goes out liquid branch pipe and liquid outlet；Feed liquor house steward is located at wall surface lower part, feed liquor branch pipe on front side of the spacer plate box of microchannel and is distributed vertically
In the microchannel partition front of microchannel spacer plate box, after liquid branch pipe is distributed in the microchannel partition of microchannel spacer plate box vertically out
Portion, liquid outlet are located at wall surface top on rear side of the spacer plate box of microchannel；Feed liquor house steward is connect with each feed liquor branch pipe, liquid outlet with
Each liquid branch pipe connection out, is connected between each pair of feed liquor branch pipe and liquid branch pipe out by one group of connecting branch.Above structure can
It is further to guarantee that fluid be three-dimensional flows uniformly through each accommodating chamber, uniform temperature controlled environment is formed, guarantees controlled device
Temperature consistency.
It is limited as further, the spacing of the microchannel partition is identical.
It is limited as further, the heat radiation box includes heat radiation box shell and cooling fin, heat radiation box shell
Left and right wall surface has inlet opening, fluid hole respectively, and one group of cooling fin arranged in a uniform and heat radiation box shell cast are integral, institute
It states cooling fin to be arranged in parallel, and is spaced identical.
It is limited as further, is provided with adjustable speed fan on the outside of the heat dissipation tank.It can speed up by the way that blower is arranged
Heat dissipation.
It is limited as further, the heat dissipation tank is magnetic shielding material, is removably connected with heat dissipation case lid thereon, described
Heat dissipation case lid includes heat dissipation tank lid housing and cooling fin, and the cooling fin is integrated with the casting of heat dissipation tank lid housing.
It is limited as further, heat dissipation tank lid housing bottom is provided with seam allowance, and seam allowance and heat dissipation tank body shell
It is nested together inside and outside seam allowance at the top of body, forms sealing, heat dissipation tank with magnetic screen function.
Battery pack thermal management system, including above-mentioned temperature control system, the interior each battery cell of setting of each accommodating chamber.
A kind of Thermal Management System for EV Battery Packs, including above-mentioned battery pack thermal management system, electromagnet is by control electricity
Road control, and the control circuit is connected with the electronic control unit of electric car, the electronic control unit, which is also connected with, to be added
The temperature sensor and actuator of pipe line control circuit, hot-fluid pipeline and cold flow pipeline.
Based on the working method of above-mentioned Thermal Management System for EV Battery Packs, when the temperature for detecting magnetic fluid coolant liquid
Lower than setting value, control heating pipeline work, control permanent magnet does not work, realizes the heating to magnetic fluid coolant liquid, guarantee electricity
The normal working temperature environment of pond group；
When the temperature for detecting magnetic fluid coolant liquid is higher than predetermined value, control permanent magnetism body running, pipeline not work is heated in control
Make, forms equally distributed magnetic field in heat dissipation tank, the magnetic refrigerating material nano particle in magnetic fluid coolant liquid in heat dissipation tank
Temperature rise is generated after being magnetized, and is increased magnetic fluid coolant temperature, is radiated using cooling fin, the outside of heat dissipation tank does not have magnetic
, after magnetic fluid coolant liquid flows out heat dissipation tank, the magnetic refrigerating material nanometer of magnetized state is in magnetic fluid coolant liquid originally
Grain occurs demagnetization and generates temperature drop, so that the temperature of magnetic fluid coolant liquid is further decreased to environment temperature hereinafter, guaranteeing battery pack
Normal working temperature environment.
Compared with prior art, the disclosure has the beneficial effect that
1, the magnetothermal effect of magnetic refrigerating material causes magnetic fluid coolant liquid to generate temperature drop when flowing out heat dissipation tank, reduces from cold
Flow tube road enters the temperature of the magnetic fluid coolant liquid in the spacer plate box of microchannel, improves heat dissipation effect；
2, cooling fin arranged in a uniform increases the heat dissipation area of heat dissipation tank, the speed regulation of heat dissipation tank front installation on heat dissipation tank
Blower improves the radiating efficiency of heat dissipation tank, reduces the temperature for entering the magnetic fluid coolant liquid in heat dissipation tank from hot-fluid pipeline,
Further improve heat dissipation effect；
3, tend to the flow of magnetic fluid coolant liquid in every glide path by the runner design in the spacer plate box of microchannel
Unanimously；It connects feed liquor branch pipe and the length of every connecting branch of liquid branch pipe out is smaller, reduce magnetic fluid coolant flow mistake
Temperature rise in journey；The two improves temperature consistency；
4, when being applied on electric car, electronic control unit monitors magnetic fluid coolant liquid temperature by temperature sensor
Degree adjusts heat dissipation tank outside air flow velocity by adjustable speed fan, by the current regulation heat dissipation tank internal magnetic field for controlling electromagnet
Power, make automobile that can obtain good heat dissipation effect under different operating conditions；
5, when running or start at relatively low ambient temperatures, electronic control unit monitors magnetic fluid by temperature sensor
Coolant temperature, improve the magnetic fluid coolant temperature in heat dissipation tank by heating pipeline realizes to heat to battery pack
Adjustable low-temperature heat ability.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the shaft side figure of surface structure schematic diagram of the present invention；
Fig. 2 is the explosive view for the overall structure diagram that the present invention is applied to 3 on-vehicle battery monomers；
Fig. 3 be the present invention be applied to the Battery cases of 3 on-vehicle battery monomers, microchannel spacer plate box, cold flow conduit assembly,
Hot-fluid conduit assembly, heat radiation box, electromagnet, U-shaped heating tube combination scheme of installation top view；
Fig. 4 be heat radiation box of the present invention, electromagnet, U-shaped heating tube structural schematic diagram explosive view；
Fig. 5 is the top view of the structural schematic diagram after heat radiation box of the present invention, electromagnet, the combination installation of U-shaped heating tube；
Fig. 6 is the A-A cross-sectional view of Fig. 5；
Fig. 7 is the axonometric drawing of the structural schematic diagram of present invention heat dissipation case lid；
Fig. 8 is the axonometric drawing of the structural schematic diagram of microchannel spacer plate box of the present invention；
Fig. 9 is view of the Fig. 8 in the direction A；
Figure 10 is view of the Fig. 8 in the direction B；
Figure 11 is the B-B cross-sectional view of Figure 10；
Figure 12 is the C-C cross-sectional view of Figure 10；
Figure 13 is the schematic diagram of control circuit of the present invention.
Wherein:
1, speed-regulating fan；
2, case lid 2-1, heat dissipation case lid cooling fin 2-2, heat dissipation tank lid housing 2-2-1, the heat dissipation tank lid housing of radiating are stopped
Mouthful；
3, hot-fluid pipeline；
4, hot-fluid Tube Temperature Sensor；
5, battery box cover；
6, Battery case 6-1, Battery case feed liquor through-hole 6-2, Battery case go out fluid through-hole；
7, circulating pump；
8, heat radiation box 8-1, heat radiation box fluid hole 8-2, heat radiation box inlet opening 8-3, U-shaped heating tube mounting hole
8-4, heat radiation box cooling fin 8-4B, heat radiation box cooling fin 8-4C, heat radiation box cooling fin 8-4D, heat radiation box heat dissipation
Piece 8-4E, heat radiation box cooling fin 8-4F, heat radiation box cooling fin 8-5, permanent magnet installation position 8-5B, permanent magnet installation position
8-5C, permanent magnet installation position 8-5D, permanent magnet installation position 8-5E, permanent magnet installation position 8-6, heat radiation box shell 8-6-1,
Heat radiation box shell seam allowance；
9, cold flow pipeline；
10, cold flow Tube Temperature Sensor；
11, electromagnet 11B, electromagnet 11C, electromagnet 11D, electromagnet 11E, electromagnet 11F, electromagnet 11G,
Electromagnet 11H, electromagnet 11I, electromagnet 11J, electromagnet 11K, electromagnet 11L, electromagnet；
12, battery cell 12B, battery cell 12C, battery cell；
13, microchannel spacer plate box 13-1, feed liquor house steward 13-1-1, feed liquor house steward entrance 13-2, feed liquor branch pipe 13-2-
1, connecting branch 13-2-2, connecting branch 13-2-3, connecting branch 13-2-4, connecting branch 13-2-5, connecting branch
13-2B, feed liquor branch pipe 13-2B-1, connecting branch 13-2B-2, connecting branch 13-2B-3, connecting branch 13-2B-4, connect
Meet branch pipe 13-2B-5, connecting branch 13-2C, feed liquor branch pipe 13-2C-1, connecting branch 13-2C-2, connecting branch 13-
2C-3, connecting branch 13-2C-4, connecting branch 13-2C-5, connecting branch 13-2D, feed liquor branch pipe 13-2D-1, connection branch
Pipe 13-2D-2, connecting branch 13-2D-3, connecting branch 13-2D-4, connecting branch 13-2D-5, connecting branch 13-3,
Out liquid branch pipe 13-3B, go out liquid branch pipe 13-3C, go out liquid branch pipe 13-3D, go out liquid branch pipe 13-4, liquid outlet 13-4-1, go out
The outlet liquid general pipeline；
14, U-shaped heating tube；
15, electronic control unit ECU.
Specific embodiment:
The disclosure is described further with embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected；It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
Clearly to illustrate technical solution, it is applied to carry out illustrating for embodiment on electric car with it.
But it will be apparent to those skilled in the art that the disclosure can be applied not only on the battery pack heat management of electric car, may be used also
Guarantee that control target is able to carry out the temperature of cold and hot management and each controlled device and to the greatest extent may be used to be applied to other
In the consistent equipment of energy or application environment.
With this corresponding, it is only necessary to the controlled device accommodated in accommodating chamber is replaced and is adapted to accordingly, (when
So, accommodation space, size of possible accommodating chamber etc. will also do the adjustment of adaptability, these are the known of those skilled in the art
Means, details are not described herein) and each control circuit other controller is connected with sensor, certainly, which can
To be equipment itself, it is also possible in addition to configure.
Simultaneously, it should be noted that the number of the controlled device of the disclosure is also that can change, in the present embodiment
Controlled device is to be illustrated for battery, (certainly, the principle of other controlled devices is also the same) battery cell
Quantity be it is variable, such as extend to 5,6, it is even more, also can be reduced its number certainly, certainly, when the number of battery cell
Quantitative change more when, the quantity of the accommodating chamber in the spacer plate box of microchannel is to carry out suitability variation with the quantity of battery cell.
As shown in Fig. 1 to Fig. 6, Figure 13, disclosure installation is on the body of a car and the electronic control unit ECU15 with automobile
It is connected, including speed-regulating fan (or adjustable speed fan) 1, heat dissipation case lid 2, hot-fluid pipeline 3, hot-fluid Tube Temperature Sensor 4, battery case
Lid 5, Battery case 6, circulating pump 7, heat radiation box 8, cold flow pipeline 9, cold flow Tube Temperature Sensor 10, electromagnet 11, battery
Monomer 12, battery cell 12B, battery cell 12C, microchannel spacer plate box 13 and U-shaped heating tube 14；
Certainly, U-shaped heating tube could alternatively be other components or shape, such as spiral heating tube in other embodiments
Etc..
As shown in Fig. 2, Fig. 8, Battery case 6 is cuboid opening shell made of heat-barrier material, the left and right of Battery case 6
There are fluid through-hole 6-2 out and feed liquor through-hole 6-1 in two sides respectively, and the position of feed liquor through-hole 6-1 and feed liquor on microchannel spacer plate box 13 are total
The position of tube inlet 13-1-1 matches, and the position of fluid through-hole 6-2 exports 13-4- with liquid outlet on microchannel spacer plate box 13 out
1 position matches；Battery box cover 5 made of heat-barrier material is mounted on Battery case, collectively forms tool with Battery case 6
There is the battery case of heat insulating function；
As shown in Fig. 2, Fig. 8 to Figure 12, microchannel spacer plate box 13 is made of heat-conducting insulation material, in 3 rectangular parallelepiped spaces
It is respectively put into battery cell 12, battery cell 12B, battery cell 12C；The outer wall dimension and Battery case of microchannel spacer plate box 13
6 inner wall size matches, and microchannel spacer plate box 13 is installed into Battery case 6；Feed liquor house steward 13-1 is located at microchannel partition
13 front side wall surface lower part of case, feed liquor branch pipe 13-2, feed liquor branch pipe 13-2B, feed liquor branch pipe 13-2C, feed liquor branch pipe 13-2D are vertical
It is distributed in the microchannel partition front of microchannel spacer plate box 13, out liquid branch pipe 13-3, out liquid branch pipe 13-3B, out liquid branch pipe 13-
3C, go out the microchannel partition rear portion that liquid branch pipe 13-3D is distributed in microchannel spacer plate box 13 vertically, liquid outlet 13-4 is located at micro-
Wall surface top on rear side of channel partition case；Micro channel systems inside microchannel spacer plate box 13 include four glide paths, and first
Glide path is by feed liquor house steward 13-1, feed liquor branch pipe 13-2D, connecting branch 13-2D-1, connecting branch 13-2D-2, connecting branch
13-2D-3, connecting branch 13-2D-4, connecting branch 13-2D-5, go out liquid branch pipe 13-3D, liquid outlet 13-4 composition；Second
Glide path is by feed liquor house steward 13-1, feed liquor branch pipe 13-2C, connecting branch 13-2C-1, connecting branch 13-2C-2, connection
Branch pipe 13-2C-3, connecting branch 13-2C-4, connecting branch 13-2C-5, go out liquid branch pipe 13-3C, liquid outlet 13-4 composition；The
Three glide paths are by feed liquor house steward 13-1, feed liquor branch pipe 13-2B, connecting branch 13-2B-1, connecting branch 13-2B-2, connection
Branch pipe 13-2B-3, connecting branch 13-2B-4, connecting branch 13-2B-5, go out liquid branch pipe 13-3B, liquid outlet 13-4 composition；The
Four glide paths are by feed liquor house steward 13-1, feed liquor branch pipe 13-2, connecting branch 13-2-1, connecting branch 13-2-2, connection branch
Pipe 13-2-3, connecting branch 13-2-4, connecting branch 13-2-5, go out liquid branch pipe 13-3, liquid outlet 13-4 composition.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, the heat radiation box 8 made of magnetic shielding material is by heat radiation box shell 8-6
With heat radiation box cooling fin 8-4, heat radiation box cooling fin 8-4B, heat radiation box cooling fin 8-4C, heat radiation box cooling fin 8-4D,
Heat radiation box cooling fin 8-4E, heat radiation box cooling fin 8-4F composition, the left and right wall surface of heat radiation box shell 8-6 have respectively into
Fluid apertures 8-2, fluid hole 8-1, heat radiation box cooling fin 8-4 arranged in a uniform, heat radiation box cooling fin 8-4B, heat radiation box heat dissipation
Piece 8-4C, heat radiation box cooling fin 8-4D, heat radiation box cooling fin 8-4E, heat radiation box cooling fin 8-4F and heat radiation box shell
8-6 is cast integrally；Electromagnet 11B, electromagnet 11C, electromagnet 11D, electromagnet 11E, electromagnet 11F, electromagnet 11 and electricity
Magnet 11G, electromagnet 11H, electromagnet 11I, electromagnet 11J, electromagnet 11K, electromagnet 11L are symmetrically mounted at heat dissipation tank
On the forward and backward inner wall of body shell body 8-6；Electromagnet control circuit is connected with electronic control unit ECU 15, electronic control unit ECU
The connecting and disconnecting of 15 control electromagnet control circuits, and adjusted inside heat dissipation tank by the size of current of adjusting electromagnet
Magnetic field is strong and weak；U-shaped heating tube 14 is mounted on the right side inner wall of heat radiation box shell 8-6, the control circuit of U-shaped heating tube 14 with
Electronic control unit ECU15 is connected, and electronic control unit ECU15 controls the connecting and disconnecting of U-shaped heating tube control circuit；By magnetic
Heat dissipation case lid 2 made of shielding material is made of heat dissipation tank lid housing 2-2 and heat dissipation case lid cooling fin 2-1, heat dissipation case lid heat dissipation
Piece 2-1 and heat dissipation tank lid housing 2-2 casting is integrated；The seam allowance 2-2-1 and heat radiation box shell of the bottom heat dissipation tank lid housing 2-2
Seam allowance 8-6-1 at the top of 8-6 is nested together, and forms sealing, heat dissipation tank with magnetic screen function, and speed-regulating fan 1 is installed
Immediately ahead of heat dissipation tank, electronic control unit ECU 15 is connected with speed-regulating fan 1 and adjusts its revolving speed；
As shown in Fig. 2, Fig. 3, Figure 13, hot-fluid conduit assembly is made of hot-fluid pipeline 3 and hot-fluid Tube Temperature Sensor 4,
The entrance of hot-fluid pipeline 3 passes through the liquid outlet outlet 13-4-1 for going out fluid through-hole 6-2 and microchannel spacer plate box 13 of Battery case 6
Connection, the outlet of hot-fluid pipeline 3 is connect with the inlet opening 8-2 of heat radiation box shell 8-6；Hot-fluid Tube Temperature Sensor 4 is installed
Hot-fluid pipeline 3 entrance and be connected with electronic control unit ECU 15, measure battery case outlet port coolant liquid
Temperature；Cold flow conduit assembly is made of cold flow pipeline 9, circulating pump 7, cold flow Tube Temperature Sensor 10, and cold flow pipeline 9 enters
It mouthful is connect with the fluid hole 8-1 of heat radiation box shell 8-6, the feed liquor through-hole 6-1 of the outlet of cold flow pipeline 9 across Battery case 6
It is connect with the feed liquor house steward entrance 13-1-1 of microchannel spacer plate box 13；Cold flow Tube Temperature Sensor 10 is mounted on cold flow pipeline 9
Entrance and connect with electronic control unit ECU 15, measure the coolant temperature of heat dissipation tank outlet port, circulating pump 7 is
Constant displacement pump is mounted on cold flow pipeline 9, and is connect with electronic control unit ECU15, electronic control unit ECU15 control loop
The opening and closing of pump 7.
Operational process applied to 3 on-vehicle battery monomers:
Working medium used in heat management system of the present invention is magnetic fluid coolant liquid, and the constituent of the coolant liquid includes magnetic
Refrigerating material nano particle, base load liquid, interfacial agent, antifreezing agent, NaOH；Base load liquid is by 90% distilled water and 10% wine
For essence composition to reduce its freezing point, interfacial agent can prevent magnetic refrigerating material nanoparticle agglomerates to guarantee magnetic fluid coolant liquid
Good fluidity, suitable NaOH, which is added, makes the pH value of magnetic fluid coolant liquid be about 10, can effectively prevent magnetic fluid coolant liquid
It is rotten, extend its service life.
In automobile starting and operational process, 15 control loop of electronic control unit pumps 7 in running order, heat management systems
Middle magnetic fluid coolant liquid circulates process are as follows: and the magnetic fluid coolant liquid in heat dissipation tank is flowed out from heat radiation box fluid hole 8-1,
By cold flow pipeline 9, circulating pump 7, Battery case feed liquor through-hole 6-1 is passed through, from the feed liquor house steward entrance of microchannel spacer plate box 13
13-1-1 is flowed into feed liquor house steward 13-1；Magnetic fluid coolant liquid in feed liquor house steward 13-1 has four glide paths, first stream
Dynamic route is magnetic fluid coolant liquid by feed liquor house steward 13-1 inflow feed liquor branch pipe 13-2D, then passes through connecting branch 13- respectively
2D-1, connecting branch 13-2D-2, connecting branch 13-2D-3, connecting branch 13-2D-4, connecting branch 13-2D-5 are pooled to out
Liquid branch pipe 13-3D finally flows into liquid outlet 13-4 from liquid branch pipe 13-3D out；Article 2 glide path is magnetic fluid coolant liquid
By feed liquor house steward 13-1 flow into feed liquor branch pipe 13-2C, then respectively by connecting branch 13-2C-1, connecting branch 13-2C-2,
Connecting branch 13-2C-3, connecting branch 13-2C-4, connecting branch 13-2C-5 are pooled to out liquid branch pipe 13-3C, finally from liquid out
Branch pipe 13-3C flows into liquid outlet 13-4；Article 3 glide path be magnetic fluid coolant liquid by feed liquor house steward 13-1 flow into
Liquid branch pipe 13-2B, then pass through connecting branch 13-2B-1, connecting branch 13-2B-2, connecting branch 13-2B-3, connection branch respectively
Pipe 13-2B-4, connecting branch 13-2B-5 are pooled to out liquid branch pipe 13-3B, finally flow into liquid outlet from liquid branch pipe 13-3B out
13-4；Article 4 glide path is magnetic fluid coolant liquid by feed liquor house steward 13-1 inflow feed liquor branch pipe 13-2, then is passed through respectively
Connecting branch 13-2-1, connecting branch 13-2-2, connecting branch 13-2-3, connecting branch 13-2-4, connecting branch 13-2-5 converge
Collect liquid branch pipe 13-3 out, finally flows into liquid outlet 13-4 from liquid branch pipe 13-3 out；The magnetic fluid of liquid outlet 13-4 is cooling
Liquid exports 13-4-1 by liquid outlet, goes out fluid through-hole 6-2 across Battery case and flows into hot-fluid pipeline 3, finally by heat dissipation tank
Body inlet opening 8-2 is flowed into heat dissipation tank, then carries out next circulation.The length of every glide path, stream in the spacer plate box of microchannel
Dynamic resistance reaches unanimity, i.e. the flow of magnetic fluid coolant liquid reaches unanimity in every glide path；Each pair of feed liquor branch pipe and liquid out
The length of linear connecting branch between branch pipe is much smaller than the length of curved connecting branch, therefore magnetic fluid coolant flow
When every glide path in magnetic fluid coolant liquid temperature rise it is lower；The two common guarantee battery pack has the good temperature consistent
Property.
Battery cell 12, battery cell 12B, battery cell 12C can pass through the good microchannel spacer plate box of heating conduction
13 carry out heat exchange with the magnetic fluid coolant liquid in micro channel systems, circulate process, the cooling liquid stream of magnetic fluid by above-mentioned
Enter in heat dissipation tank, the magnetic fluid coolant liquid in heat dissipation tank is radiated by heat radiation box shell and heat dissipation tank lid housing and heat radiation box
Piece 8-4, heat radiation box cooling fin 8-4B, heat radiation box cooling fin 8-4C, heat radiation box cooling fin 8-4D, heat radiation box cooling fin
8-4E, heat radiation box cooling fin 8-4F, heat dissipation case lid cooling fin 2-1 carry out heat exchange.
After hot-fluid Tube Temperature Sensor 4 detects the temperature of magnetic fluid coolant liquid higher than setting value, electronic control is single
First ECU15 controls electromagnet 11, electromagnet 11B, electromagnet 11C, electromagnet 11D, electromagnet 11E, electromagnet 11F, electromagnet
11G, electromagnet 11H, electromagnet 11I, electromagnet 11J, electromagnet 11K, electromagnet 11L are in running order, inside heat dissipation tank
Equally distributed magnetic field is formed, temperature increases after the magnetic fluid coolant liquid in heat dissipation tank is magnetized；Electronic control unit ECU simultaneously
Outside air is transported to heat radiation box cooling fin 8-4, heat radiation box cooling fin 8-4B, heat radiation box by 15 opening speed-regulating fans 1
Cooling fin 8-4C, heat radiation box cooling fin 8-4D, heat radiation box cooling fin 8-4E, heat radiation box cooling fin 8-4F, heat dissipation case lid
It radiates on cooling fin 2-1 to heat dissipation tank, makes the temperature of the magnetic fluid coolant liquid in heat dissipation tank close to environment temperature；Due to dissipating
Hot tank material is magnetic shielding material, after the outside of heat dissipation tank does not have magnetic field, magnetic fluid coolant liquid to flow out heat dissipation tank, is in magnetic originally
The magnetic refrigerating material nano particle of change state occurs demagnetization and generates temperature drop, is further decreased to the temperature of magnetic fluid coolant liquid
Below environment temperature；Flange-cooled heat-dissipation box structure combination active air cooling design realizes good heat dissipation effect, magnetic refrigeration
Magnetic fluid coolant liquid further generates temperature drop when material demagnetizes, and the high temperature heat-sinking capability of heat management system is greatly improved.
Electronic control unit ECU 15 monitors electricity by hot-fluid Tube Temperature Sensor 4, cold flow Tube Temperature Sensor 10
The magnetic fluid coolant temperature in pond case exit and heat dissipation tank exit；When the magnetic current in battery case exit and heat dissipation tank exit
When body COOLANT TEMPERATURE, electronic control unit ECU 15 enhances the magnetic inside heat dissipation tank by increasing the electric current of electromagnet
, bigger temperature drop is generated when magnetic refrigerating material nano particle being made to demagnetize, and further reduced the temperature of magnetic fluid coolant liquid, together
When electronic control unit ECU 15 by improving the faster rotational speed speed air flow of speed-regulating fan 1, further enhance heat dissipation
The radiating efficiency of case；So battery pack can obtain good heat dissipation effect under the different operating conditions of automobile.
After hot-fluid Tube Temperature Sensor 4 detects the temperature of magnetic fluid coolant liquid lower than setting value, electronic control is single
It is in running order that first ECU 15 controls U-shaped heating tube 14, while electronic control unit ECU 15 closes electromagnet and speed-regulating wind
Fan 1；U-shaped heating tube 14 heats the low temperature magnetic fluid coolant liquid in heat dissipation tank, due to the presence in not no magnetic field, after heating
Temperature drop does not occur after magnetic fluid coolant liquid outflow heat dissipation tank, flows directly into the micro channel systems of microchannel spacer plate box 13 to battery
Monomer 12, battery cell 12B, battery cell 12C are heated；When hot-fluid Tube Temperature Sensor 4 monitors that battery case exports
When the magnetic fluid coolant temperature at place is increased to battery pack minimum normal working temperature, electronic control unit ECU 15 disconnects U-shaped
The control circuit of heating tube 14 makes system realize adjustable low-temperature heat ability.
When hot-fluid Tube Temperature Sensor 4 detects that the temperature of magnetic fluid coolant liquid is in the normal temperature range of battery pack
When interior, electronic control unit ECU 15 only makes circulating pump 7 in running order, and speed-regulating fan 1, electromagnet, U-shaped heating tube 14 are equal
In off position.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. a kind of temperature control system based on magnetic Refrigeration Technique, it is characterized in that: including heat dissipation tank, storage case, hot-fluid pipeline, cold
Flow tube road and actuator, wherein the side of the heat dissipation tank and storage case passes through cold flow pipe by hot-fluid piping connection, the other side
Road connection, is formed into a loop, and actuator is provided on the circuit, to drive circulating for internal flow, the hot-fluid pipeline
Temperature sensor is provided with on cold flow pipeline；
The heat dissipation tank includes heat radiation box, and the heat radiation box outer is successively arranged with multiple cooling fins, the heat radiation box
The opposite inner wall of inner surface at least two on be provided with multiple one-to-one electromagnets, be provided in the heat radiation box plus
Pipe line；
The storage case includes external heat insulating box and internal microchannel spacer plate box, and the microchannel spacer plate box includes multiple
The accommodating chamber being separated by with microchannel partition, microchannel partition box body front and back walls face are internally provided with horizontal and vertical
Several connecting lines, the microchannel diaphragm internal are provided with multiple connecting branches, the connecting branch and the connecting tube
Road connection.
2. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the heat insulating box
For cuboid opening shell made of heat-barrier material, there are feed liquor through-hole and fluid through-hole out, feed liquor through-hole in the cabinet left and right sides respectively
Position and the position of feed liquor manifold entrance on the spacer plate box of microchannel match, out on the position of fluid through-hole and microchannel spacer plate box
The position of liquid outlet outlet matches.
3. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the microchannel every
The fluid channel of plate case includes feed liquor house steward, feed liquor branch pipe, connecting branch, goes out liquid branch pipe and liquid outlet；Feed liquor house steward is located at
Wall surface lower part, feed liquor branch pipe are distributed in the microchannel partition front of microchannel spacer plate box vertically on front side of the spacer plate box of microchannel, out liquid
Branch pipe is distributed in the microchannel partition rear portion of microchannel spacer plate box vertically, and liquid outlet is located on rear side of the spacer plate box of microchannel on wall surface
Portion；Feed liquor house steward is connect with each feed liquor branch pipe, and liquid outlet is connect with each liquid branch pipe out, each pair of feed liquor branch pipe and liquid branch out
It is connected between pipe by one group of connecting branch.
4. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the microchannel every
The spacing of plate is identical.
5. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the heat radiation box
Including heat radiation box shell and cooling fin, the left and right wall surface of heat radiation box shell has inlet opening, fluid hole, one group of arrangement respectively
Uniform cooling fin and heat radiation box shell cast are integral, and the cooling fin is arranged in parallel, and are spaced identical.
6. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the heat dissipation tank
Outside is provided with adjustable speed fan.
7. a kind of temperature control system based on magnetic Refrigeration Technique as described in claim 1, it is characterized in that: the heat dissipation tank is
Magnetic shielding material, is removably connected with heat dissipation case lid thereon, and the heat dissipation case lid includes heat dissipation tank lid housing and cooling fin, described
Cooling fin is integrated with the casting of heat dissipation tank lid housing.
8. a kind of temperature control system based on magnetic Refrigeration Technique as claimed in claim 7, it is characterized in that: the heat dissipation case lid
Housing bottom is provided with seam allowance, and nests together inside and outside seam allowance and the seam allowance of heat radiation box case top, forms sealing, tool
There is the heat dissipation tank of magnetic screen function.
9. battery pack thermal management system, it is characterized in that: including as of any of claims 1-8 a kind of based on magnetic refrigeration
The temperature control system of technology, the interior each battery cell of setting of each accommodating chamber.
10. a kind of Thermal Management System for EV Battery Packs, it is characterized in that: including battery pack heat pipe as claimed in claim 9
Reason system, electromagnet are controlled by control circuit, and the control circuit is connected with the electronic control unit of electric car, the electricity
Sub-control unit is also connected with the temperature sensor and actuator of heating pipeline control circuit, hot-fluid pipeline and cold flow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609198.3U CN208723050U (en) | 2018-09-29 | 2018-09-29 | Temperature control system, battery pack thermal management system, Thermal Management System for EV Battery Packs based on magnetic Refrigeration Technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821609198.3U CN208723050U (en) | 2018-09-29 | 2018-09-29 | Temperature control system, battery pack thermal management system, Thermal Management System for EV Battery Packs based on magnetic Refrigeration Technique |
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| CN208723050U true CN208723050U (en) | 2019-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316021A (en) * | 2019-07-19 | 2019-10-11 | 曹顺山 | The bitubular becomes circulation new energy power cooling device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316021A (en) * | 2019-07-19 | 2019-10-11 | 曹顺山 | The bitubular becomes circulation new energy power cooling device |
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