CN209389169U - A kind of battery pack heat management device based on liquid and phase-change material - Google Patents
A kind of battery pack heat management device based on liquid and phase-change material Download PDFInfo
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- CN209389169U CN209389169U CN201822216524.0U CN201822216524U CN209389169U CN 209389169 U CN209389169 U CN 209389169U CN 201822216524 U CN201822216524 U CN 201822216524U CN 209389169 U CN209389169 U CN 209389169U
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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
Abstract
The utility model provides a kind of battery pack heat management device based on liquid and phase-change material, including cabinet, heat pipe, aluminium sheet, phase-change material, multiple single batteries and radiator, it heats heat pipe and cabinet, aluminium sheet is connected with each other, heat dissipation heat pipe and phase-change material, radiator are connected with each other；The aluminium sheet is internally provided with Y shape channel, and the top in the Y shape channel is two entrances, and two entrances are separately connected a collecting pipe, and the lower section in the Y shape channel is outlet, and the outlet corresponds to the hole on the cabinet；The cabinet is provided with liquid, the aluminium sheet is mounted between two pieces of single batteries, phase-change material setting with one single battery of aluminium sheet interval, the top of battery pack is arranged in the radiator, the radiator and heat dissipation heat pipe are connected with each other, the reasonable utilization space of battery pack.The apparatus structure of the utility model simply and readily controls, and ensure that safety, efficiency and the durability of entire battery pack.
Description
Technical field
The utility model relates to battery pack thermal management technology fields, are based on liquid and phase-change material in particular to one kind
Battery pack heat management device.
Background technique
Vehicle exhaust is a larger factor for influencing air quality, as the environmental consciousness of people constantly enhances, for
The demand of new cleaning fuel is also constantly expanding.Clean energy resource of the battery as substitution fossil energy, on electric vehicle
Application effect is gradually approved by the public, so that electric car is also more more and more universal.It is distributed on the solar panel of electric car
There are multiple battery packs, battery pack is usually connected by multiple battery packs, provides power supply, while also constantly storage for electric car
The energy.However, battery pack is enclosed construction, operating current is big, and the heat of generation is big.If lacking effectively heat dissipation, may cause
The temperature of battery is excessively high, influences charging and discharging capabilities and the service life of battery, serious also to cause battery spontaneous combustion, or even explosion.
Current battery pack radiator structure, is usually taken single radiating mode, and multiple conducting-heat elements and vent passages are arranged,
Then in such a way that electric fan carries out wind-cooling heat dissipating, or even part electric vehicle does not take any cooling measure.However,
The effect of battery pack wind-cooling heat dissipating is undesirable, it is difficult to maintain the suitable temperature of battery.In addition, the efficiency of current liquid-cooling heat radiation is also
Wait improve.Meanwhile China's the South and the North temperature difference is larger, especially in the northern area in winter, outdoor temperature is usually up to zero
Under, this causes the service life of power battery and seriously affects.What is more, when battery temperature drop to subzero twenty or thirty degree with
Afterwards, too low battery temperature is created great difficulties to the starting of electric car, in extremely cold area not to power battery preheating
In the case of start the destruction that electric vehicle easily causes inside battery structure unrepairable by force, cause battery to scrap.It is above-mentioned to ask
The popularization of entitled battery pack and electric car brings obstruction, prevents people from electric car safe to use.
Therefore, the high-temperature heat pipe reason of battery pack and Low Temperature Thermal management are all extremely important, it is desirable to provide a kind of higher efficiency
The heat management device of battery pack.
Summary of the invention
The utility model in view of the deficiency of the prior art, propose one kind of multiple modes combine, heat exchange efficiency it is high
The battery pack heat management device based on liquid and phase-change material.The heat management device of the battery pack mainly passes through liquid in cabinet
Body, aluminium sheet, Electric radiant Heating Film, phase-change material, heat pipe, radiator are used cooperatively, and are realized the temperature regulation of battery pack, are reached electric vehicle
The purpose that battery is evenly heated, effectively radiates.
In order to solve the above-mentioned technical problem, the utility model provides a kind of based on the battery pack of liquid and phase-change material heat
Managing device, including cabinet, heat pipe, aluminium sheet, phase-change material, multiple single batteries and radiator, which is characterized in that heat pipe includes
Heat pipe and heat dissipation heat pipe are heated, heating heat pipe and cabinet, aluminium sheet are connected with each other, and heat dissipation heat pipe and phase-change material, radiator are mutual
Connection；The aluminium sheet is internally provided with Y shape channel, and the top in the Y shape channel is two entrances, and two entrances are separately connected
One collecting pipe, the lower section in the Y shape channel are outlet, and the outlet corresponds to the hole on the cabinet；The cabinet is provided with
Liquid, the aluminium sheet are mounted between two pieces of single batteries, and the phase-change material setting is electric with one monomer of aluminium sheet interval
The top of battery pack is arranged in pond, the radiator, and the radiator and heat dissipation heat pipe are connected with each other.
Optionally, the collecting pipe is located above the aluminium sheet, and connects isocon, and the entrance end face of the isocon connects
Connect coolant liquid connecting leg.
Optionally, it is distributed at least two heating heat pipes on the aluminium sheet, the heating heat pipe is Curved, and at least 2
Locate the above inflection point, the angle at each turning is 170 °.
Optionally, the position that every heat pipe is corresponded in the cabinet is equipped with metal foam, every piece of metal foam edge and case
The parallel direction in surface where inlet fades to 0.3 to center position porosity from 0.8 from both ends on body, and metal foam is close to
Bottom in cabinet, cabinet outer bottom correspond to the position installation Electric radiant Heating Film of metal foam.
Optionally, the evaporation ends of the heating heat pipe are inserted into the metal foam, the condensation end of the heating heat pipe
It is inserted into the aluminium sheet.
Optionally, the radiator is multi-layer planar cooling fin, certain intervals is arranged between every layer of cooling fin, in each heat dissipation
The side setting fixing piece of piece is attached fixation, and the radiator area is close with the topside area of battery pack.Optionally, institute
The evaporation ends for stating heat dissipation heat pipe are set in the volume of phase-change material, in the condensation end insertion radiator of the heat dissipation heat pipe.
Optionally, inlet and liquid outlet is respectively set in the both ends of the cabinet opposite direction, and liquid outlet is located proximate to cabinet top
Portion, top of the box are distributed three row's apertures, and intermediate row aperture is fluid return ports, and it is heat pipe mounting hole, the liquid that aperture is arranged in two sides
The aperture of body return port is 5mm, and the aperture of the heat pipe mounting hole is 6mm.
It optionally, further include temperature detector, the temperature detector includes the first temperature detector and/or second temperature
Detector, for the first temperature detector between the battery and aluminium sheet, second temperature detector is located at the battery and phase transformation
One or more positions between material.
Battery pack heat management device provided by the utility model, using the high-termal conductivity of heat pipe, aluminium sheet and phase-change material,
The different heat dissipation of intelligent starting and heating method under battery pack different temperature condition.By the way that cabinet, case is arranged in battery pack bottom
The metal foam item of porosity gradual change is distributed in vivo, Electric radiant Heating Film is installed on the outside of the tank floor of metal foam corresponding position.It is curved
The evaporation ends of curved heating heat pipe are inserted into the hole of corresponding metal foam item, and condensation end is inserted into aluminium sheet, realizes heating
Battery pack is quickly heated when cabinet, and can save heat.Meanwhile when battery temperature persistently increases in electric vehicle use process,
Heat dissipation heat pipe starts heat dissipation automatically；Heat dissipation heat pipe transfers heat to radiator, can pass through nature in vehicle travel process
Wind cools down radiator, is cooled down using fan to radiator in stationary vehicle charging.In addition, being arranged on aluminium sheet
Y shape channel, when battery pack when the temperature is excessively high, coolant liquid by isocon and collecting pipe be passed through Y shape channel realize and be quickly cooled down
Cooling.In addition, aluminium sheet and phase-change material interval are mounted on the two sides of every piece of single power battery, reasonable utilization battery pack
Space.The apparatus structure of the utility model simply and readily controls, and ensure that the safety of entire battery pack, efficiency and durable
Property.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, the utility model illustrative embodiments above-mentioned and other
Objects, features and advantages will become prone to understand.In the accompanying drawings, it is practical new that this is shown by way of example rather than limitation
Several embodiments of type, in which:
Fig. 1 schematically shows the structural schematic diagram of battery pack heat management device in an embodiment.
Fig. 2 schematically shows the stereoscopic schematic diagrams of cabinet in Fig. 1.
Fig. 3 schematically shows the structural schematic diagram of coolant liquid connecting leg in an embodiment.
Fig. 4 schematically shows the structural schematic diagrams that heat pipe insertion aluminium sheet is heated in an embodiment.
Fig. 5 schematically shows the cross for the heating heat pipe insertion aluminium sheet that cutting line is cut along Fig. 1 in an embodiment
Schematic cross-section.
Fig. 6 schematically shows the structural schematic diagram for the heat pipe insertion phase-change material that radiates in an embodiment.
Fig. 7 schematically shows the structural schematic diagram of an embodiment metal foam.
Fig. 8 schematically shows the birds-eye perspective that metal foam is mounted in cabinet.
Fig. 9 schematically shows the cross-sectional view for the battery pack heat management device that the cutting line along Fig. 1 is cut.
Figure 10 schematically shows the stereoscopic schematic diagram of radiator in Fig. 1.
Specific embodiment:
The principles of the present invention and spirit are described below with reference to several illustrative embodiments.It should be appreciated that giving
These embodiments are out just for the sake of making those skilled in the art can better understand that realize the utility model in turn, and simultaneously
It is non-to limit the scope of the utility model in any way.
The utility model is described in further detail with reference to the accompanying drawing.
As shown in figure 1 to 3, an embodiment of the present invention provides a kind of battery pack based on liquid and phase-change material to ginseng
Heat management device, the device 100 include: aluminium sheet 101, multiple single batteries 102, cabinet 103, heat pipe, phase-change material 104, electricity
Hotting mask 105, radiator 106, coolant liquid connecting leg 107, isocon 108 and collecting pipe 113.Cabinet 103 is provided with liquid, in one
End is provided with inlet 1031, and the other end is provided with liquid outlet.Aluminium sheet 101 is mounted between two pieces of single batteries 102, phase transformation material
Material 104 is set as being spaced a single battery 102 with aluminium sheet 101, and the top of battery pack is arranged in radiator 106.In radiator 106
Top multiple isocons 108 are installed along 113 installation site of collecting pipe.Isocon 108 connects coolant liquid connecting leg 107, is used for
It is passed through coolant liquid.Preferably, one end that coolant liquid connecting leg 107 is passed through coolant liquid is provided with one (not shown) of valve, when need
Unlatching when starting coolant liquid circulation.Preferably, the built-in liquid of cabinet 103 is the mixed solution of water and methanol.
In order to realize heating function, 103 bottom of cabinet is equipped with multi-disc Electric radiant Heating Film 105, preferably two panels, and is mounted on bottom
On the outside of portion., can be by liquid in heated by electrothermal film cabinet when needing to heat battery pack, while metal foam heated fast,
Better than liquid to the rate of heat transfer of heat pipe, to realize that battery quickly heats.
In one embodiment, as shown in Fig. 2, corresponding to the other side of inlet 1031 in cabinet, it is provided with liquid outlet.Liquid out
Pipeline on the outside of mouthful can integrally be divided into two-way pipeline, and valve is respectively arranged on two-way pipeline and selection liquid is flowed out direction,
Including valve one and valve two.Wherein all the way pipeline connection radiator on coolant liquid connecting leg 107 port, open valve one,
The liquid that cabinet flows out coolant liquid connecting leg 107, isocon 108 and collecting pipe 113 is passed through using pump to radiate.In addition all the way
Pipeline opens valve two, returns to external heater after the outflow of cabinet liquid, be used for circulating-heating for connecting external heater.
Liquid outlet can be correspondingly arranged with inlet 1031 and identical, quantity 1.Or the uniform circulation in order to facilitate liquid in cabinet,
Inlet 1031 is preferably 1, and liquid outlet is preferably 3, and the diameter (preferably 7mm) of liquid outlet is less than inlet 1031
Diameter.Meanwhile heat pipe mounting hole 1033 and coolant liquid return port 1032 are distributed in top of the box.Intermediate row coolant liquid return port
1032 aperture (preferably 5mm) is more slightly smaller than two sides small aperture (preferably 6mm), for controlling the flow velocity of coolant liquid.
As illustrated in figures 4-5, aluminium sheet 101 is internally provided with Y shape channel 109, and the top in Y shape channel 109 is two entrances,
Respectively first entrance 1091 and second entrance 1092, two entrances are separately connected collecting pipe 113 and pass through radiator, then with
Isocon 108 connects, and the lower section in Y shape channel 109 is outlet 1093, and outlet corresponds to the coolant liquid return port at 103 top of cabinet
1032.Preferably, the internal diameter of first entrance 1091 and second entrance 1092 is 5mm, and the internal diameter of tap hole 108 is 6mm.
In addition, there are also accommodate the duct heating heat pipe 111 and passing through, heating heat pipe 111 and cabinet 103, aluminium sheet on aluminium sheet 101
101 are connected with each other.In this embodiment, two heating heat pipes 111 are distributed on aluminium sheet 101, heating heat pipe can be straight tube or curved
Pipe.Preferably, heating heat pipe 111 is Curved, and the above inflection point at least 2, the angle of each turning α are about 170 °, with
Increase heat-conducting area.Heating heat pipe 111 is capillary, and interior working media is liquefied ammonia, is quickly heated when realizing heating compartment 103
Aluminium sheet simultaneously delivers heat to battery pack, and can save heat.Preferably, the phase transition temperature for heating working media in heat pipe is 30 DEG C.
As shown in fig. 6, heat pipe further includes heat dissipation heat pipe 110, radiate heat pipe 110 and phase-change material 104,106 phase of radiator
It connects, radiator 106 and heat dissipation heat pipe 110 are connected with each other.The evaporation ends of heat dissipation heat pipe 110 are inserted into phase-change material 104,
Condensation end is inserted into radiator 106.Heat dissipation heat pipe 110 is capillary, and interior working media is freon, phase transition temperature ratio
The refrigerant phase transition temperature heated in heat pipe 111 is low, and phase transition temperature is 24 DEG C, realizes the radiating management of battery pack.Preferably, phase transformation
Material 104 is wrapped up with heat conducting film, will not be lost after the heated thawing of phase-change material in this way.
In one embodiment, as Figure 7-9, metal foam 112 is installed, above metal foam 112 in cabinet 103
Hole is corresponding with the heat pipe mounting hole 1033 of tank surface.Metal foam is close to bottom in cabinet, and cabinet outer bottom corresponds to metal foam
Position install Electric radiant Heating Film 105.The evaporation ends of heating heat pipe 111 are inserted into metal foam, and the condensation end of heating heat pipe 111 is inserted
Enter into aluminium sheet 101.To guarantee every heat pipe being heated evenly in metal foam, every piece of metal foam is along both ends to third side
0.3 is gradient to porosity from 0.8.The both ends of metal foam 112 are and 1031 place of inlet on cabinet to intermediate direction
The parallel direction in surface.When heating using Electric radiant Heating Film to cabinet, after the bottom of box is heated, metal foam, metal are delivered heat to first
Foam increases the heating surface area of heating heat pipe, so that heating heat pipe progress is thermally conductive.When hydronic liquid from
After power battery bottom plate cabinet inlet 1031 enters, stream passes through the metal foam of different porosities, the liquid after being exchanged heat
It is flowed out from the liquid outlet of cabinet other side different location, effectively avoids the appearance of local temperature difference.
Preferably, the place that heating heat pipe 111 is connected with aluminium sheet 101 and metal foam 112 is carried out close with heat-conducting daub
Envelope, to improve the thermal conductivity between object.
In one embodiment, as shown in Figure 10, radiator 106 is multi-layer planar cooling fin 1061, between every layer of cooling fin
Certain intervals are set, are uniformly distributed multiple holes 1062 on cooling fin to carry out heat pipe installation.
As shown in figure 9, Fig. 9 is the cross-sectional view of battery pack heat management device cutting line A along Fig. 1.Collecting pipe 113
Positioned at the top of aluminium sheet 101, across radiator 106 and isocon 108 is connected.The entrance end face connection of each isocon 108 is cold
But liquid connecting leg 107.Specifically, the Single port of metal collecting pipe 113 is connected with the entrance 1091 and/or 1092 in Y shape channel, separately
One end is connected with isocon 108.In radiation processes, the pipeline valve one of connection liquid cooling connecting tube 107 is opened, can be incited somebody to action by pump
The intracorporal liquid of case is output to the coolant liquid connecting leg 107 on radiator, and liquid is flowed into Y shape through isocon 108 and collecting pipe 113
In channel 109, to battery pack inside fast cooling.The side setting fixing piece of each cooling fin is attached fixation, cooling fin
1061 topside area is close with the topside area of battery pack.The condensation end of heat dissipation heat pipe 111 is inserted into the correspondence of radiator 106
Hole 1062 in, the air duct between each cooling fin is not closed, and is integrally communicated, and 1 centimetre is separated by between every two panels.When starting cools down
After liquid radiates to aluminium sheet 101, the coolant liquid for flowing into cabinet pump is driven into through connecting leg 107, isocon 108 across scattered
Secondary heat dissipation is carried out in metal tube 113 and Y shape channel 109 inside hot device 106.Radiator integral arrangement is in power battery pack
Top, between power battery 102 and radiator 106 there are certain gap be used to install connection power battery device.
It in one embodiment, further include temperature detector (not shown), temperature detector includes the first temperature detector
And/or second temperature detector, for the first temperature detector between the battery and aluminium sheet, second temperature detector is located at institute
State one or more positions between battery and phase-change material.
When the first temperature detector detects temperature lower than first threshold (preferably 0 DEG C), starting Electric radiant Heating Film 105 is heated
Liquid in cabinet 103.At this point, the working media heated in heat pipe 111 in aluminium sheet 101 is undergone phase transition, battery is conducted heat to
Around.
Stop Electric radiant Heating Film 105 when second temperature detector detects that temperature is higher than second threshold (preferably 20 DEG C) to add
Heat.
When second temperature detector detects that temperature is higher than third threshold value (preferably 40 DEG C), start liquid passes through shunting
Pipe 108 is passed through Y shape channel 109 and carries out circulating cooling.
Wherein, the second threshold is higher than first threshold, and third threshold value is higher than second threshold；The hot liquid in pipe of heating
Phase transition temperature be equal to the second threshold.
Preferably, northern winter temperature is too low in order to prevent, when the first temperature detector detection temperature is too low, opens simultaneously
Open liquid circulation heating system.Preferably, the first temperature detector detects temperature lower than the 4th threshold value (preferably -10 DEG C)
When, it needs to heat for power battery, starting external heater (not shown) heats liquid, is input to cabinet 103 by pump
Interior, auxiliary electro-heat film heats liquid in cabinet quickly.
When circulating-heating, the pipeline valve two of cabinet liquid outlet connection external heater, the liquid of external heater are opened
After the entrance of 103 inlet 1031 of cabinet, stream passes through the metal foam of different porosities, and liquid is from cabinet 103 after being exchanged heat
The liquid outlet of other side different location flows out, then flows into external heater, realizes circulating-heating.Metal foam increases heat pipe
Heating surface area makes being heated evenly for each heat pipe.Multiple holes on the right side of cabinet effectively avoid the appearance of local temperature difference.But
, since external heater power consumption is high, when the first detector detects that temperature reaches 10 DEG C, to close external heater, only by
Electric radiant Heating Film 105 heats.Loop heating system bring not only can be absorbed in the phase-change material between every two pieces of power batteries at this time
Instantaneous cross adds thermogenetic heat, moreover it is possible to play insulation effect when battery temperature reduces for battery.
When battery temperature persistently increases in electric vehicle use process, automatic starting heat dissipation, heat dissipation heat pipe is by heat transfer
To radiator.Radiator can be cooled down by natural wind in vehicle travel process, be used in stationary vehicle charging
Fan cools down radiator.
When summer high temperature, phase-change material 104 absorbs the extra temperature that power battery generates, and is conducted heat by heat dissipation heat pipe 110
Radiator is cooled down to radiator 106, then through natural wind, achievees the purpose that circulation cooling.
There is heat dissipation failure in battery pack in order to prevent and cause temperature excessively high, when battery pack when the temperature is excessively high, the second temperature
When degree detector detects that temperature is higher than third threshold value (preferably 40 DEG C), the intracorporal liquid of case is driven into coolant liquid connecting leg by pump
107 and isocon 108 using secondary heat dissipation is carried out in the metal collecting pipe 113 inside radiator 106 pass through inflow later
Cabinet 109 is flowed back to after taking away a part of heat in the Y shape channel 109 of aluminium sheet 101；It is finally flowed out again by cabinet one end, returns to heat dissipation
In pipeline on device, is realized with this circularly cooling and be quickly cooled down cooling.
Battery pack multiple can be grouped together into solar panel, can be arranged in parallel and also be arranged vertically.
The application of battery pack heat management device provided by the utility model based on liquid and phase-change material, including following step
It is rapid:
When the first temperature detector detects temperature lower than first threshold (preferably 0 DEG C), start heated by electrothermal film case
Internal liquid；
Stop heated by electrothermal film when second temperature detector detects that temperature is higher than second threshold (preferably 20 DEG C)；
When second temperature detector detects that temperature is higher than third threshold value (preferably 40 DEG C), start liquid passes through short tube
It is passed through Y shape channel and carries out circulating cooling；
When the first temperature detector detection temperature is lower than the 4th threshold value (preferably -10 DEG C), while opening liquid circulation
Heating system；
When the first temperature detector detection temperature is higher than the 5th threshold value (preferably 10 DEG C), closing liquid circulation heating system
System；
Wherein, the second threshold is higher than first threshold, and third threshold value is higher than second threshold；4th threshold value is lower than the first threshold
Value；5th threshold value is higher than first threshold and is lower than second threshold.
Battery pack heat management device provided by the utility model, by the high-termal conductivity using heat pipe and aluminium sheet, in battery
It wraps bottom and cabinet is set.The metal foam item of porosity gradual change is distributed in cabinet, the evaporation ends for heating heat pipe are inserted into correspondence
In the hole of metal foam item, condensation end is inserted into aluminium sheet.The place that heat pipe is connected with aluminium sheet and metal foam is with thermally conductive
Clay is sealed, and improves the thermal conductivity between different objects.Between every two pieces of power batteries, interval installation aluminium sheet and phase transformation
Material, the reasonable utilization space of battery pack.When detecting that temperature is low and needing to heat, unlatching Electric radiant Heating Film is cabinet heat supply,
Electric radiant Heating Film is then closed after reaching set temperature.When detecting that temperature is too low, opens liquid circulation heating system and Electric radiant Heating Film is total
With heating.In addition, there are also metal foams in cabinet increases heating so that liquid flow passes through the metal foam of different porosities
The heating surface area of heat pipe also makes being heated evenly for each heat pipe.
Liquid is flowed out from the hole of cabinet different location after being exchanged heat, and effectively avoids the appearance of local temperature difference.?
During circulating-heating when second temperature detector detects that temperature reaches setting value, loop heating system is closed.It is every at this time
Phase-change material between two pieces of power batteries not only can be absorbed the instantaneous mistake of loop heating system bring and add thermogenetic heat,
Insulation effect can also be played for battery when battery temperature reduces.It detects when the temperature is excessively high, needs start liquid circulating cooling
System is passed through coolant liquid and flowed through in the Y shape channel of aluminium sheet, flowed back to cabinet after taking away a part of heat, reached with this circularly cooling
To the purpose of heat dissipation.In radiation processes, heat dissipation heat pipe transfers heat to radiator, can be by certainly in vehicle travel process
Right wind cools down radiator, is cooled down using fan to radiator in stationary vehicle charging.The apparatus structure is simple
And it is easy to control the safety and durability that ensure that entire battery pack.Meanwhile using for hot liquid and cooling fin not with power
Heat transfer is avoided or reduces liquid leakage causing to simplify battery while short-circuit risks by the mode that battery directly contacts
The overall structure of plate.
Although above-mentioned specific embodiment describes the spirit and principle of the utility model, it should be appreciated that, this is practical
Novel it is not limited to the specific embodiments disclosed, does not also mean that the feature in these aspects cannot to the division of various aspects
Combination is benefited to carry out, this to divide the convenience merely to statement.The utility model is intended to cover the essence of appended claims
Included various modifications and equivalent arrangements in mind and range.
Claims (10)
1. a kind of battery pack heat management device based on liquid and phase-change material, including it is cabinet, heat pipe, aluminium sheet, phase-change material, more
A single battery and radiator, which is characterized in that heat pipe includes heating heat pipe and heat dissipation heat pipe, heats heat pipe and cabinet, aluminium sheet
It is connected with each other, heat dissipation heat pipe and phase-change material, radiator are connected with each other；The aluminium sheet is internally provided with Y shape channel, the Y
The top in shape channel is two entrances, and two entrances are separately connected a collecting pipe, and the lower section in the Y shape channel is outlet, described
Outlet corresponds to the hole on the cabinet；The cabinet is provided with liquid, and the aluminium sheet is mounted between two pieces of single batteries, institute
State phase-change material setting with one single battery of aluminium sheet interval, the radiator is arranged in the top of battery pack, described to dissipate
Hot device and heat dissipation heat pipe are connected with each other.
2. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: described
Collecting pipe is located above the aluminium sheet, and connects isocon, and the entrance end face of the isocon connects coolant liquid connecting leg.
3. the battery pack heat management device according to claim 2 based on liquid and phase-change material, it is characterised in that: described
It is distributed at least two heating heat pipes on aluminium sheet, the heating heat pipe is Curved, and the above inflection point at least 2, each turning
Angle be about 170 °.
4. the battery pack heat management device according to claim 2 based on liquid and phase-change material, it is characterised in that: described
The position that every heat pipe is corresponded in cabinet is equipped with metal foam, and every piece of metal foam is along flat with surface where inlet on cabinet
Porosity of the capable direction from both ends to center position fades to 0.3 from 0.8, and metal foam is close to bottom in cabinet.
5. the battery pack heat management device according to claim 4 based on liquid and phase-change material, it is characterised in that: described
The evaporation ends of heating heat pipe are inserted into the metal foam, and the condensation end of the heating heat pipe is inserted into the aluminium sheet.
6. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: described
Radiator is multi-layer planar cooling fin, and certain intervals are arranged between every layer of cooling fin, and fixing piece is arranged in the side of each cooling fin
It is attached fixation, the radiator area is close with the topside area of battery pack.
7. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: described
The evaporation ends of heat dissipation heat pipe are set in the volume of phase-change material, in the condensation end insertion radiator of the heat dissipation heat pipe.
8. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: described
Inlet and liquid outlet is respectively set in the both ends of cabinet opposite direction, and liquid outlet is located proximate to top of the box, and top of the box is distributed three rows
Aperture, intermediate row small aperture are 5mm, and two sides small aperture is 6mm.
9. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: also wrap
Temperature detector is included, the temperature detector includes the first temperature detector and/or second temperature detector, the first temperature detection
Device is between the battery and aluminium sheet, one or more of the second temperature detector between the battery and phase-change material
Position.
10. the battery pack heat management device according to claim 1 based on liquid and phase-change material, it is characterised in that: case
External bottom corresponds to the position installation Electric radiant Heating Film of metal foam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216524.0U CN209389169U (en) | 2018-12-27 | 2018-12-27 | A kind of battery pack heat management device based on liquid and phase-change material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216524.0U CN209389169U (en) | 2018-12-27 | 2018-12-27 | A kind of battery pack heat management device based on liquid and phase-change material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473746A (en) * | 2018-12-27 | 2019-03-15 | 西安科技大学 | A kind of battery pack heat management device and its method based on liquid and phase-change material |
| CN113178657A (en) * | 2021-04-19 | 2021-07-27 | 涂序江 | Monomer type lithium battery pack system based on new energy automobile and use method thereof |
-
2018
- 2018-12-27 CN CN201822216524.0U patent/CN209389169U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473746A (en) * | 2018-12-27 | 2019-03-15 | 西安科技大学 | A kind of battery pack heat management device and its method based on liquid and phase-change material |
| CN113178657A (en) * | 2021-04-19 | 2021-07-27 | 涂序江 | Monomer type lithium battery pack system based on new energy automobile and use method thereof |
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