CN207909929U - A kind of power battery box of electric vehicle - Google Patents
A kind of power battery box of electric vehicle Download PDFInfo
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- CN207909929U CN207909929U CN201721092610.4U CN201721092610U CN207909929U CN 207909929 U CN207909929 U CN 207909929U CN 201721092610 U CN201721092610 U CN 201721092610U CN 207909929 U CN207909929 U CN 207909929U
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- babinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model is related to electric vehicle engineering fields, and in particular to a kind of power battery box of electric vehicle.Power battery box of electric vehicle provided by the utility model, including case lid and babinet are connected with liner on the inner wall of the babinet, phase-change material are filled in the liner.The wherein described babinet is by aluminum alloy materials extrusion forming, its density is smaller, weight is lighter, manufacture easy to process, processing cost is low, simultaneously liner is connected on the inner wall of the babinet, the liner can increase the overall stiffness and intensity of babinet, it can play the role of damping energy-absorbing, improve the protective capacities of babinet, phase-change material is filled in the liner, battery case is adjusted into trip temperature using the phase-change thermal storage principle auxiliary heat pipe reason system of phase-change material, the temperature in battery case is set to disclosure satisfy that the demand of the performance and used life of power battery, ensure that power battery efficiently works at a suitable temperature.
Description
Technical field
The utility model is related to electric vehicle engineering fields, and in particular to a kind of power battery box of electric vehicle.
Background technology
With the getting worse of energy crisis and environmental pollution, various countries increasingly pay attention to the exploitation of new-energy automobile, especially
It, which is pure electric automobile, has the characteristics that zero-emission, low noise, energy efficiency are high, is one of comparatively ideal energy conservation and environmental protection vehicle,
As power battery performance is constantly promoted, course continuation mileage, which there has been, to be significantly improved, and is widelyd popularize in European and American countries, due to it
Effect on environment is smaller with respect to orthodox car, and foreground is had an optimistic view of extensively.
Power battery directly affects vehicle as the unique power source of pure electric automobile, its performance and used life
Performance and used life.In all environmental factors, temperature influences maximum to the charge-discharge performance of battery, in electrode/electro solution
Electrochemical reaction on liquid interface is related with environment temperature, and electrode/electrolyte interface is considered as the heart of battery, if at a temperature of
Drop, the reaction rate of electrode also decline, it is assumed that cell voltage holding constant, discharge current reduce, and the power output of battery also can
Decline.On the contrary, i.e. the power output of lithium battery can also rise if temperature rise.Temperature also influences the transmission speed of electrolyte
Degree, temperature rise are then accelerated, and temperature declines, and transmission slows down, and the charge-discharge performance of battery can also be affected.But temperature is too high,
More than 45 DEG C, the chemical balance of inside battery can be destroyed, side reaction is caused.The discharging efficiency of lithium battery can be significant in low temperature
It reduces (as being less than -15 DEG C), and the charging rate of battery will also substantially reduce at -20 DEG C or less.General charge efficiency can be with
Temperature is increased and is increased, but when temperature is raised to 45 DEG C or more, the performance of rechargeable battery material can degenerate under high temperature, the circulating battery longevity
Life will also greatly shorten.Therefore, allow power battery work most important to its performance and used life at a suitable temperature.Mesh
The heat management system of preceding power battery of pure electric automobile is separately designed using heating function and heat sinking function, general to be added using flexible
Hotting mask or PTC are heated, and are radiated using air-cooled or liquid cooling, and the device being related to is more, and protection is complicated, reduces system
Reliability increases failure risk, and cost is higher.Battery case sheathing material generally uses cold-rolled steel sheet, and density is big, and heat conduction
Heat dissipation effect is poor.Battery box enclosure is generally molded using metal plate welding, there are thermal stress deformation, and degree of protection it is difficult to ensure that,
And processing cost is higher, according to punch forming, mould investment cost is higher.
Utility model content
(1) technical problem to be solved in the utility model is:Existing battery case using flexible heater film or PTC into
Row heating, is radiated using air-cooled or liquid cooling, and the device being related to is more, and protection is complicated, reduces the reliability of system, is increased
Failure risk, and cost is higher;The ratio of battery case is heavier simultaneously, and there are thermal stress deformation, babinet rigidity and intensity are poor.
The utility model one side is designed to provide a kind of battery that can be realized lightweight and can automatically adjust temperature
Case.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of power battery box of electric vehicle, including case lid and
Babinet, the interior accommodating chamber for forming upper end opening of the babinet, the case lid lid close described in the open end of the babinet and sealing
Accommodating chamber is connected with liner on the inner wall of the babinet, phase-change material is filled in the liner.
The beneficial effects of the utility model:Power battery box of electric vehicle provided by the utility model, including case lid and case
Body, the interior accommodating chamber for forming upper end opening of the babinet, the case lid lid close in the open end of the babinet and seal the appearance
It receives chamber, liner is connected on the inner wall of the babinet, phase-change material is filled in the liner.The wherein described babinet is closed by aluminium
Golden material extrusion forming, density is smaller, and weight is lighter, and manufacture easy to process, processing cost is low, while in the babinet
Liner is connected on inner wall, the liner can increase the integral strength of babinet, can play the role of damping energy-absorbing, it is ensured that case
Body is not in thermal stress deformation, ensures the protective capacities of babinet;Phase-change material is filled in the liner, when battery box temperature
Degree it is higher when, phase-change material melt heat absorption, to reduce box interior temperature, when babinet be in environment temperature it is relatively low when, paraffin coagulate
Gu heat release improves the temperature of box house, using phase-change material phase-change thermal storage principle auxiliary heat pipe reason system to battery case into
Trip temperature is adjusted, and so that the temperature in battery case is disclosure satisfy that the demand of performance and used life at power battery, it is ensured that power electric
Pond efficiently works at a suitable temperature.
Based on the above technical solution, the utility model can also do following improvement.
Further, the phase-change material is phase change paraffin, and the phase transition temperature of the phase change paraffin is 45 DEG C.
Advantageous effect using above-mentioned further scheme is:The phase-change material is the low temperature phase change that phase transition temperature is 45 °
Paraffin, when battery case temperature higher (>=45 DEG C), paraffin melting heat absorption, to reduce box interior temperature, when babinet is in environment
When temperature relatively low (≤15 DEG C), paraffin heat release assists heat to increase case body temperature using the phase-change thermal storage principle of paraffin
Management system adjusts battery case into trip temperature, and the temperature reinforced in battery case is adjusted, and ensures the power battery one in battery case
Work in the straight environment in optimum temperature
Further, the babinet includes bottom plate, foreboard, the first side plate, back plate and the second side plate, the foreboard, first
Side plate, back plate and the second side plate are sequentially connected, and lower end connect with four sides of the bottom plate surround the accommodating chamber respectively.
Further, the liner, the liner are respectively connected on the inner wall of first side plate, back plate and the second side plate
It is made of corrugation aluminium sheet, the phase-change material is filled in the hollow area inside the corrugation aluminium sheet.
Advantageous effect using above-mentioned further scheme is:Box house is connected with the liner made of corrugation aluminium sheet, energy
Enough increase the intensity of babinet, and damping energy-absorbing can be played the role of, while the hollow area filling inside the corrugation aluminium sheet
Phase-change material can be with the temperature of adjust automatically box house.
Further, the liner is connected on the inner wall of the bottom plate, the liner is by corrugation aluminium sheet or honeycomb aluminum plate
It is made, the phase-change material is filled in the hollow area inside the corrugation aluminium sheet or the honeycomb aluminum plate.
Advantageous effect using above-mentioned further scheme is:It is connected on bottom plate and is made of corrugation aluminium sheet or honeycomb aluminum plate
Liner, the intensity of babinet can be increased, and damping energy-absorbing can be played the role of, while in the corrugation aluminium sheet and the bee
Hollow area filling phase-change material inside nest aluminium sheet can be with the temperature of adjust automatically box house.
Further, after the equal sandblasting in surface of the bottom plate, foreboard, the first side plate, back plate, the second side plate and the case lid
It is handled by hard anodizing.
Advantageous effect using above-mentioned further scheme is:Battery case and cover board use aluminium alloy extruded molding, material
Density is small light-weight, and processing cost is low, by hard anodized after surface sand-blasting, improves anti-corrosion ability, is dissipated with being promoted
The thermal efficiency.
Further, the surface of the corrugation aluminium sheet by hard anodizing handle or the corrugation aluminium sheet with it is described
The surface of honeycomb aluminum plate is passed through hard anodizing and is handled.
Advantageous effect using above-mentioned further scheme is:Corrugation aluminium sheet and honeycomb aluminum plate surface through hard anodizing at
Reason improves anti-corrosion ability, reinforces insulating protection effect.
Further, heat conduction is coated on the inner surface of the corrugation aluminium sheet or the corrugation aluminium sheet and the honeycomb aluminum plate
Silica gel.
Advantageous effect using above-mentioned further scheme is:Corrugation aluminium sheet and honeycomb aluminum plate and module or battery core contact surface
Between fill heat-conducting silicone grease, promote heat conduction rate.
Further, it is connected with and is vertically arranged in the outside wall surface of the foreboard, the first side plate, back plate and second side plate
Radiating fin.
Advantageous effect using above-mentioned further scheme is:The outer surface of babinet is designed with the radiating fin of vertical direction,
Using stack effect principle, heat dissipation effect is improved.
Further, there are three bottom supporting beams for the downside connection of the bottom plate.
Description of the drawings
The advantages of the utility model is above-mentioned and/or additional aspect is from combining in description of the following accompanying drawings to embodiment and will become
Obviously and it is readily appreciated that, wherein:
Fig. 1 is the general assembly drawing of power battery box of electric vehicle described in the utility model embodiment;
Fig. 2 is the structural schematic diagram of case lid described in the utility model embodiment;
Fig. 3 is the structural schematic diagram of babinet described in the utility model embodiment;
Fig. 4 is the decomposition texture schematic diagram of the babinet;
Fig. 5 is the structural schematic diagram of the supporting beam;
Fig. 6 is the structural schematic diagram of first side plate;
Fig. 7 is the structural schematic diagram of the corrugation aluminium sheet;
Fig. 8 is the structural schematic diagram of the honeycomb aluminum plate.
Correspondence in wherein Fig. 1 to Fig. 8 between reference numeral and component names is:
1, case lid, 11, relief valve keep away a deep gouge, 12, first flange, 2, supporting beam, 21, loss of weight extruded hole, 22, stainless steel
Screw-thread bush, 3, babinet, 31, foreboard, the 32, first side plate, 321, card slot, 322, radiating fin, 33, back plate, 34, the second side
Plate, 35, bottom plate, 36, second flange, 37, corrugation aluminium sheet, 371, hollow area, 38, honeycomb aluminum plate, 39, accommodating chamber.
Specific implementation mode
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
As shown in Figures 1 to 8, the utility model provides a kind of power battery box of electric vehicle, including case lid 1 and babinet
3, the interior accommodating chamber 39 for forming upper end opening of the babinet 3, the lid of the case lid 1 closes in the open end of the babinet 3 and seals institute
Accommodating chamber 39 is stated, liner is connected on the inner wall of the babinet 3, phase-change material is filled in the liner.
Power battery box of electric vehicle provided by the utility model, including case lid 1 and babinet 3, the babinet 3 is interior to be formed
The accommodating chamber 39 of end opening is connected with liner on the inner wall of the babinet 3, phase-change material is filled in the liner.Wherein institute
It is by aluminum alloy materials extrusion forming to state babinet 3, and density is smaller, and weight is lighter, and manufacture easy to process, processing cost is low,
Liner is connected on the inner wall of the babinet 3 simultaneously, the liner can increase the integral strength of babinet 3, can play and subtract
Shake the effect of energy-absorbing, it is ensured that babinet 3 is not in thermal stress deformation, ensures the protective capacities of babinet 3;It is filled in the liner
There is phase-change material, when battery case temperature is higher, phase-change material melts heat absorption, to reduce by 3 internal temperature of babinet, at babinet 3
When environment temperature is relatively low, paraffin heat release improves the temperature inside babinet 3, utilizes the phase-change thermal storage principle of phase-change material
Auxiliary heat pipe is managed system and is adjusted into trip temperature to battery case, and the temperature in battery case is made to disclosure satisfy that performance at power battery and make
With the demand in service life, it is ensured that power battery efficiently works at a suitable temperature.
As shown in Figures 2 and 3, the babinet 3 includes bottom plate 35, foreboard 31, the first side plate 32, back plate 33 and the second side plate
24, the foreboard 31, the first side plate 32 (as shown in Figure 6), back plate 33 and the second side plate 24 are sequentially connected, and the bottom plate 35 is in square
Shape, the foreboard 31, the first side plate 32, back plate 33 and the second side plate 24 lower end respectively with four sides of the bottom plate 35
Connection surrounds the accommodating chamber 39;The babinet 3 is by aluminum alloy materials extrusion forming, specifically, the bottom plate 35, foreboard
31, the first side plate 32, back plate 33 and the second side plate 24 be by aluminum alloy materials extrusion forming, foreboard 31, the first side plate 32,
Back plate 33 and the second side plate 24 are sequentially connected and are welded by CMT or MIG, then foreboard 31, the first side plate 32,33 and of back plate
The lower end of second side plate 24 is connected with four sides of the bottom plate 35 respectively constitutes an accommodating chamber 39, so entire babinet 3
Structural strength it is more preferable, degree of protection higher can reach IP68 (Ingress Protection- degree of protection), improve
Requirement of shelter.
Preferably, as shown in Fig. 1,3 and Fig. 4, connect on the inner wall of first side plate 32, back plate 33 and the second side plate 24
It is connected to the liner, the liner is made of corrugation aluminium sheet 37 (as shown in Figure 7), and the phase-change material is filled in the corrugation aluminium
In hollow area 371 inside plate 37, the intensity of babinet 3 can either be increased by regarding corrugation aluminium sheet 37 as liner, and can be
Phase-change material is inserted with the temperature inside adjust automatically babinet 3 in hollow area 371 inside the corrugation aluminium sheet 37, improves babinet 3
Heat dissipation performance and thermoregulation energy, while corrugation aluminium sheet 37 being arranged as liner in the inside of babinet 3, additionally it is possible to reach
The effect of damping energy-absorbing, wherein as shown in figure 4, first side plate 32 is identical and right with the geomery of second side plate 24
Claim setting.
As shown in figure 4, being connected with the liner on the inner wall of the bottom plate 35, the liner is by corrugation aluminium sheet 37 or honeycomb
Aluminium sheet 38 is made, and the phase-change material is filled in the hollow area 371 inside the corrugation aluminium sheet 37 or the honeycomb aluminum plate 38,
The liner made of the corrugation aluminium sheet 37 or the honeycomb aluminum plate 38 is set wherein on the bottom plate 35 of the babinet 3, it can
Enough increase the effect of the intensity of babinet 3, additionally it is possible to achieve the purpose that damping energy-absorbing, while in the corrugation aluminium sheet 37 or described
Phase-change material is inserted in hollow area 371 inside honeycomb aluminum plate 38 can be with the temperature inside adjust automatically babinet 3.Preferably, exist
Hard anodizing is handled after the surface sand-blasting of the corrugation aluminium sheet 37 and the honeycomb aluminum plate 38 (as shown in Figure 8), if institute
It is made of corrugation aluminium sheet 37 to state bottom plate 35, then hard anodizing is handled after the surface sand-blasting of the corrugation aluminium sheet 37;
If the bottom plate 35 is made of honeycomb aluminum plate 38, simultaneously in the outer surface sandblasting of corrugation aluminium sheet 37 and honeycomb aluminum plate 38
Hard anodizing is handled afterwards), the anti-corrosion ability of battery case can be improved in this way, reinforce the insulating protection effect of battery case,
Described in thicken anodized after 38 surface sand-blasting of corrugation aluminium sheet 37 and the honeycomb aluminum plate, insulating protection effect can be reinforced
Fruit can ensure the insulation performance of battery case in this way.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the downside of the bottom plate 35 is also connected with that there are three supporting beams 2, as shown in figure 3,
There are three the supporting beam 2 is set, three supporting beams 2 are connected to 35 bottom both ends of the bottom plate and intermediate position,
Supporting beam 2 can play the role of support to entire battery case in this way, wherein as shown in figure 5, the middle part of the supporting beam 2 is along institute
The length direction for stating supporting beam 2 is equipped with loss of weight pressurization hole 21, and is equipped with stainless steel screw-thread bush at the both ends of the supporting beam 2
22, the supporting beam 2 is threadedly coupled by stainless steel screw-thread bush 22 with the bottom plate 35.Certainly, the branch in this application
The quantity of support beam 2 is not limited only to three, and the mounting means of the supporting beam 2 is also not limited only to above-mentioned side
Formula as long as can realize that supporting beam 2 described herein is connected with bottom plate 35, and supports the purpose of the battery case, just also can
The design philosophy for enough realizing the utility model, should belong to the scope of protection of the utility model.
Preferably, the babinet 3 and the supporting beam 2 are by aluminum alloy materials extrusion forming, while at the bottom
Plate 35, foreboard 31, the first side plate 32, back plate 33, the second side plate 24 and supporting beam 2 surface on sandblasting and through hard anodizing
It handles, by hard anodized after surface sand-blasting, anti-corrosion ability can be improved, with improving heat radiation efficiency.
Preferably, the phase-change material is the low-temperature phase-change paraffin that phase transition temperature is 45 °, and battery case temperature is higher by (>=45
DEG C) when, paraffin melting heat absorption, to reduce by 3 internal temperature of babinet, when babinet 3 is in environment temperature relatively low (≤15 DEG C), paraffin
Heat release is solidified, to increase temperature in babinet 3, temperature is carried out to battery case using the phase-change thermal storage principle auxiliary heat pipe reason system of paraffin
Degree is adjusted, and the temperature reinforced in battery case is adjusted, and ensures that the power battery in battery case is constantly in the environment of optimum temperature
Work.
As shown in Fig. 1, Fig. 3 Fig. 4 and Fig. 5, the foreboard 31, the first side plate 32, back plate 33 and second side plate 24
It is connected with longitudinally disposed radiating fin 322 in outside wall surface, the setting of 322 vertical direction of the radiating fin, using stack effect,
The heat dissipation effect of battery case is improved, ensures that the temperature in battery case maintains a suitable range.Wherein it should be noted that
In this application the corrugation aluminium sheet 37 and honeycomb aluminum plate 38 either by welding with first side plate 32, after
Plate 33, the second side plate 24 are connected with the bottom plate 35, can also be the corrugation aluminium sheet 37 and honeycomb aluminum plate 38 be bonded in it is described
On first side plate 32, back plate 33 and second side plate 24 and bottom plate 35, as long as corrugation aluminium sheet 37 and honeycomb aluminum plate can be realized
38 purpose as 3 liner of babinet just also complies with the design philosophy of the utility model, should belong to the protection model of the utility model
It encloses.Wherein as shown in fig. 6, the inside of first side plate 32 be equipped with card slot 321, by card slot 321 to corrugation aluminium sheet 37 into
Row is preliminary fixed, is convenient for being linked and packed for corrugation aluminium sheet 37 and 3 inner wall of Battery case in this way, operates simpler convenience.
Preferably, it is coated with heat-conducting silicone grease on the inner surface of 38 inside of the corrugation aluminium sheet 37 or the honeycomb aluminum plate, i.e.,
The corrugation aluminium sheet 37 and honeycomb aluminum plate 38 fill heat-conducting silicone grease in battery modules or battery core contact surface, can improve in this way
Heat conduction rate, and then improve the radiating efficiency of battery case.
As shown in Figure 1 to Figure 3, the case lid 1 keeps away a deep gouge 11 for installing relief valve, while in institute equipped with relief valve
The edge for stating 1 lower end of case lid is equipped with first flange 12, is equipped with and the first flange in the edge of 3 upper end of the babinet
The second flanges 36 of 12 cooperations, multiple through-holes are equipped in the first flange 12 and second flange 36, and screw passes through the first method
Through-hole on orchid 12 and second flange 36 is connect with nut, and babinet 3 and case lid 1 are tightly connected city one.
In conclusion power battery box of electric vehicle provided by the utility model, including case lid and babinet, in the babinet
The accommodating chamber of upper end opening is formed, the case lid lid closes in the open end of the babinet and seals the accommodating chamber, the babinet
Inner wall on be connected with liner, phase-change material is filled in the liner.The wherein described babinet is squeezed by aluminum alloy materials
Type, density is smaller, and weight is lighter, and manufacture easy to process, processing cost is low, while being connected on the inner wall of the babinet
Liner, the liner can increase the integral strength of babinet, can play the role of damping energy-absorbing, it is ensured that babinet is not in heat
Stress deformation ensures the protective capacities of babinet;Phase-change material, when battery case temperature is higher, phase are filled in the liner
Become material melts heat absorption, to reduce box interior temperature, when babinet be in environment temperature it is relatively low when, paraffin heat release, raising
The temperature of box house adjusts battery case into trip temperature using the phase-change thermal storage principle auxiliary heat pipe reason system of paraffin, makes electricity
Temperature in the case of pond disclosure satisfy that the demand of performance and used life at power battery, it is ensured that power battery is at a suitable temperature
Efficient work.
In the description of the present invention, it should be noted that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify and describe, do not indicate or imply the indicated device or element must have a particular orientation, with
Specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
It is used for description purposes only, is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, can also be electrical connection;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of power battery box of electric vehicle, it is characterised in that:Including case lid and babinet, upper end opening is formed in the babinet
Accommodating chamber, the case lid lid closes in the open end of the babinet and seals the accommodating chamber, connected on the inner wall of the babinet
There is liner, being filled in the liner being capable of phase-change material of the neither endothermic nor exothermic to be adjusted into trip temperature to battery case;
The phase-change material is phase change paraffin, and the phase transition temperature of the phase change paraffin is 45 DEG C;
The babinet includes bottom plate, foreboard, the first side plate, back plate and the second side plate, the foreboard, the first side plate, back plate and
Two side plates are sequentially connected, and lower end connect with four sides of the bottom plate surround the accommodating chamber respectively;
The foreboard, the first side plate, back plate and second side plate outside wall surface on be connected with the radiating fin being vertically arranged.
2. power battery box of electric vehicle according to claim 1, it is characterised in that:First side plate, back plate and
The liner is respectively connected on the inner wall of two side plates, the liner is made of corrugation aluminium sheet, and the phase-change material is filled in described
In hollow area inside corrugation aluminium sheet.
3. power battery box of electric vehicle according to claim 1 or 2, it is characterised in that:Connect on the inner wall of the bottom plate
It is connected to the liner, the liner is made of corrugation aluminium sheet or honeycomb aluminum plate, and the phase-change material is filled in the corrugation aluminium sheet
Or in the hollow area inside the honeycomb aluminum plate.
4. power battery box of electric vehicle according to claim 3, it is characterised in that:The bottom plate, foreboard, the first side
Plate, back plate, the second side plate and the case lid the equal sandblasting in surface after by hard anodized.
5. power battery box of electric vehicle according to claim 3, it is characterised in that:The surface of the corrugation aluminium sheet is passed through
The surface of hard anodizing processing or the corrugation aluminium sheet and the honeycomb aluminum plate is passed through hard anodizing and is handled.
6. power battery box of electric vehicle according to claim 5, it is characterised in that:The corrugation aluminium sheet or the corrugation
Heat conductive silica gel is coated on the inner surface of aluminium sheet and the honeycomb aluminum plate.
7. power battery box of electric vehicle according to claim 1, it is characterised in that:It is connected with three on the downside of the bottom plate
A bottom supporting beam.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107579181A (en) * | 2017-08-29 | 2018-01-12 | 北京普莱德新能源电池科技有限公司 | A kind of power battery box of electric vehicle |
CN109449339A (en) * | 2018-12-13 | 2019-03-08 | 广东工业大学 | A kind of new-energy automobile and the thermal management device of battery based on heat pipe |
CN109802068A (en) * | 2019-01-28 | 2019-05-24 | 广西艾盛创制科技有限公司 | A kind of resistance to battery pack case structure for hitting puncture resistant |
CN110660938A (en) * | 2019-08-28 | 2020-01-07 | 南京航空航天大学 | Electric automobile battery box based on zero poisson's ratio material |
CN110660937A (en) * | 2019-08-28 | 2020-01-07 | 南京航空航天大学 | Electric automobile battery box based on thickness-variable gradient zero Poisson ratio structure |
CN114843683A (en) * | 2022-05-16 | 2022-08-02 | 合肥众禾动力新能源科技有限公司 | Storage battery protection box containing phase change energy storage material |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107579181A (en) * | 2017-08-29 | 2018-01-12 | 北京普莱德新能源电池科技有限公司 | A kind of power battery box of electric vehicle |
CN109449339A (en) * | 2018-12-13 | 2019-03-08 | 广东工业大学 | A kind of new-energy automobile and the thermal management device of battery based on heat pipe |
CN109802068A (en) * | 2019-01-28 | 2019-05-24 | 广西艾盛创制科技有限公司 | A kind of resistance to battery pack case structure for hitting puncture resistant |
CN109802068B (en) * | 2019-01-28 | 2021-11-02 | 广西艾盛创制科技有限公司 | Anti-collision and anti-puncture battery pack shell structure |
CN110660938A (en) * | 2019-08-28 | 2020-01-07 | 南京航空航天大学 | Electric automobile battery box based on zero poisson's ratio material |
CN110660937A (en) * | 2019-08-28 | 2020-01-07 | 南京航空航天大学 | Electric automobile battery box based on thickness-variable gradient zero Poisson ratio structure |
CN110660938B (en) * | 2019-08-28 | 2021-11-05 | 南京航空航天大学 | Electric automobile battery box based on zero poisson's ratio material |
CN110660937B (en) * | 2019-08-28 | 2021-11-05 | 南京航空航天大学 | Electric automobile battery box based on thickness-variable gradient zero Poisson ratio structure |
CN114843683A (en) * | 2022-05-16 | 2022-08-02 | 合肥众禾动力新能源科技有限公司 | Storage battery protection box containing phase change energy storage material |
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