CN205039216U - Thermal management system of cuboid group battery - Google Patents
Thermal management system of cuboid group battery Download PDFInfo
- Publication number
- CN205039216U CN205039216U CN201520777222.4U CN201520777222U CN205039216U CN 205039216 U CN205039216 U CN 205039216U CN 201520777222 U CN201520777222 U CN 201520777222U CN 205039216 U CN205039216 U CN 205039216U
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- pipe array
- array board
- heat
- micro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a thermal management system of cuboid group battery, this system includes micro heat pipe array board, heat transfer component and heat source, during the heat dissipation, the evaporation zone of micro heat pipe array board and the laminating of the panel facial features of cuboid group battery, the condensation segment of micro heat pipe array board stretches out to the side of cuboid group battery outsidely, the heat transfer component sets up on the condensation segment of micro heat pipe array board, the evaporation zone of micro heat pipe array board absorbs and takes place the heat pipe effect behind the cuboid group battery heat energy again by the condensation segment of micro heat pipe array board through heat transfer component and external heat transfer, when preheating, the heat source setting is laminated with the panel facial features of cuboid group battery at the evaporation zone of micro heat pipe array board, the condensation segment of micro heat pipe array board, takes place the heat pipe effect behind the heat energy of the evaporation zone absorption heat source of micro heat pipe array board and is sended out heat to the cuboid group battery by the condensation segment of micro heat pipe array board. The collecting and distributing hot heating function of this system is as an organic whole, improves heat exchange efficiency.
Description
Technical field
The utility model relates to thermal management technology field, particularly a kind of heat management system and method micro heat pipe array board being used for cuboid battery pack.
Background technology
Using on-vehicle battery (storage battery/lithium battery) electric automobile that is power as the future of auto industry, obtain with advantages such as its low stain, energy savings, the heat efficiency are high and pay attention to and development.Electric automobile adopts electric energy to replace the conventional fossil fuel such as oil as power, has obvious environment-friendly advantage, is the long time plan being applicable to solving future transportation means of transportation field.On-vehicle battery is as the key technology of electric powered motor, in large current density electric process, a large amount of heat can be gathered in on-vehicle battery inside, if heat is got rid of not in time, battery temperature sharply raises, particularly large-capacity battery pack, usual thermal discharge is higher and more easily accumulate heat due to the needs meeting energy density, thus cause thermal runaway, battery is brought to discharge gas further, smolder, the consequence of leakage, battery even may be caused to burn, when otherwise on-vehicle battery is in low temperature environment, life-span may be shortened, weaken charging and discharging capabilities, its operating temperature range generally needs to remain on 0 ~ 45 DEG C, therefore its heat management problems etc. become the key factor of restriction Development of Electric Vehicles.Existing heat management system adopts the directly air-cooled of each battery cell usually, or the structures such as the liquid cooling of power brick housing, not only efficiency is not high, uniform temperature is bad, and system configuration is too huge, complicated and high cost, in addition, conventional heating system generally adopts electric hot plate or electric heating film directly to heat or to power brick housing indirect, not only cannot be unified with cooling system, the efficiency of heating surface is low, the time is long, and has larger security risk.Therefore conventional batteries and power brick thereof heat radiation and heating system practical application is very limited and practical function is poor.Due to the series of problems such as waterproof and dustproof, anti-condensation, battery case body needs totally-enclosed, therefore needs one compact and effective radiating mode; In addition, existing on-vehicle battery heat management system cannot under the restriction not increasing volume and cost, realizes preheating function to on-vehicle battery under cold district or cold snap.
Utility model content
The radiating effect that the utility model exists for existing on-vehicle battery heat management system is poor, battery uniform temperature is poor, anti-thermal runaway ability is weak, high temperature heat radiation and low-temperature heating system be independent (i.e. dual system) mutually, problem that system bulk structure is comparatively large and cost is high and battery case degree of protection is low etc., a kind of heat management system of novel cuboid battery pack is provided, by micro heat pipe array board and high efficient heat exchanging element and the rapidly and efficiently heat exchange of cuboid battery, ensure that the high efficiency and heat radiation of cuboid battery, battery temperature evenly and simultaneously realizes efficient low-temperature heat function, this heat management system volume compact simultaneously, lightweight, cost is low, battery case body can realize high-grade protection.
The technical solution of the utility model is as follows:
A kind of heat management system for cuboid battery pack, it is characterized in that, comprise micro heat pipe array board, heat exchange element and thermal source, described micro heat pipe array board be metal material through extrusion modling its in there is the platy structure of the micro heat pipe array that two or more is arranged side by side, in described micro heat pipe array, the equivalent diameter of each micro heat pipe is 0.2mm-2.5mm
When dispelling the heat for cuboid battery pack, the evaporation section of described micro heat pipe array board and the cell panel face of cuboid battery pack fit, the condensation segment of described micro heat pipe array board extend out to the lateral outer of described cuboid battery pack, described heat exchange element is arranged on the condensation segment of described micro heat pipe array board, the evaporation section of described micro heat pipe array board occur after absorbing cuboid battery pack heat energy heat pipe effect again by the condensation segment of micro heat pipe array board by heat exchange element and extraneous heat exchange;
When for the preheating of cuboid battery pack, described thermal source is arranged on the evaporation section of micro heat pipe array board, the condensation segment of described micro heat pipe array board and the cell panel face of cuboid battery pack fit, the evaporation section of described micro heat pipe array board occur after absorbing the heat energy of thermal source heat pipe effect again by the condensation segment heat release of micro heat pipe array board to cuboid battery pack.
Be condensation segment at the micro heat pipe array board fitted for during the preheating of cuboid battery pack and the cell panel face of cuboid battery pack at the evaporation section of the micro heat pipe array board fitted for when cuboid battery pack is dispelled the heat and the cell panel face of cuboid battery pack and be the interlude of micro heat pipe array board, the two ends of described micro heat pipe array board all extend out to the lateral outer of described cuboid battery pack, one end of described micro heat pipe array board arranges thermal source, and the other end arranges heat exchange element.
Described thermal source is the fluid media (medium) pipeline of electrical heating elements or heating, and described electrical heating elements is resistance wire or electric heating film, and described resistance wire or electric heating film are arranged on one end of micro heat pipe array board;
And/or described heat exchange element is heat sink or heat exchanger;
And/or, be provided with capillary structure in the inwall of each micro heat pipe in described micro heat pipe array board.
Be provided with one or more fluting along the pipe range direction being parallel to micro heat pipe array outside described micro heat pipe array board, described fluting and micro heat pipe array separate, described thermal source is resistance wire, and described resistance wire is arranged in fluting.
Also comprise thermotransport passage, one end that described thermotransport passage and micro heat pipe array board are provided with heat exchange element communicates, and described heat exchange element is arranged along thermotransport channel direction; When dispelling the heat for cuboid battery pack, there is heat pipe effect and discharged by thermotransport passage by heat exchange element heat exchange by the condensation segment of micro heat pipe array board in the evaporation section of described micro heat pipe array board after absorbing cuboid battery pack heat energy.
Described thermotransport passage is air duct, when dispelling the heat for cuboid battery pack, and transporting cold wind in described air duct; When for the preheating of cuboid battery pack, heat air delivery in described air duct.
Directly or indirectly be fitted on the cell panel face of adjacent two cuboid batteries respectively in the evaporation section two sides for micro heat pipe array board described when cuboid battery pack is dispelled the heat; Described micro heat pipe array board is inclined upwardly setting, the height of the part that the height that described micro heat pipe array board is provided with one end of heat exchange element fits higher than the cell panel face of micro heat pipe array board and cuboid battery pack.
The thickness of described micro heat pipe array board is 1.2mm-3.0mm, is filled with heat-conducting medium between described micro heat pipe array board and cuboid battery pack, is filled with heat-conducting medium between described micro heat pipe array board and heat exchange element;
And/or, when being provided with capillary structure in the inwall of described each micro heat pipe, described capillary structure is the micro-wing possessing augmentation of heat transfer effect arranged in the inwall of each micro heat pipe or the indent microflute moved towards along micro heat pipe length direction, and the size of described micro-wing and structure are suitable for forming with micro heat pipe inwall the capillary slot moved towards along micro heat pipe length direction.
Technique effect of the present utility model is as follows:
The utility model relates to a kind of heat management system that may be used for electric vehicle-mounted cuboid battery pack, realizes regulating the heat radiation of cuboid battery pack and the heat management of preheating, comprises the micro heat pipe array board of the work of cooperatively interacting, heat exchange element and thermal source.Heat exchange is carried out in the cell panel face that this management system adopts novel micro heat pipe array board to be arranged on each cuboid battery of cuboid battery pack, micro heat pipe array board be metal material through extrusion modling its in there is the platy structure of the micro heat pipe array that two or more is arranged side by side, in described micro heat pipe array, the equivalent diameter of each micro heat pipe is 0.2mm-2.5mm, the micro heat pipe array board of ad hoc structure is the unique design of the confined space of the battery case body for electric vehicle-mounted cuboid battery pack, the micro heat pipe array board of this structure can with the contact of cuboid battery pack maximum area to carry out heat exchange, there is heat transfer efficiency high, compact conformation, lightweight, noiseless, without the advantage of drive disk assembly, micro heat pipe array board can level, vertically or be in any way arranged on the cell panel face of cuboid battery, be not limited to above-mentioned set-up mode, this set-up mode do not limited can be selected according to practical situations, and difference arrangement number and the arrangement mode of multiple micro heat pipe array board can be adopted according to practical situations, to adapt to concrete heat dissipation capacity (target temperature) and the demand of airspace.When dispelling the heat for cuboid battery pack, the evaporation section of micro heat pipe array board and the cell panel face of cuboid battery pack fit, the condensation segment of micro heat pipe array board extend out to the lateral outer of described cuboid battery pack, heat exchange element is arranged on the condensation segment of described micro heat pipe array board, the evaporation section of micro heat pipe array board can absorb cuboid battery pack heat energy in a large number, heat pipe effect is there is in each micro heat pipe with micro heat pipe array, again by the condensation segment condensation heat release of micro heat pipe array board, due to condensation segment heat exchange element is set thus the heat of condensation segment release by heat exchange element as heat sink or heat exchanger and extraneous heat exchange, overcome the series of problems that on-vehicle battery group needs directly and fluid media (medium) (water or air) heat exchange brings of prior art, effectively improve radiating efficiency, effect and secure package, the heat exchange element that condensation segment in conjunction with micro heat pipe array board is arranged is with enhance heat, further optimization heat management system.When for the preheating of cuboid battery pack, thermal source such as electrical heating elements is arranged on the evaporation section of micro heat pipe array board, the condensation segment of micro heat pipe array board and the cell panel face of cuboid battery pack fit, heat pipe effect is there is again by the condensation segment heat release of micro heat pipe array board in micro heat pipe array board inside after the heat energy of the evaporation section absorption electrical heating elements of micro heat pipe array board, due to the contact of the condensation segment of micro heat pipe array board and the cell panel face maximum area of cuboid battery pack, therefore large area heat exchange can be realized, the heat of micro heat pipe array board condensation release rapidly and efficiently reaches cuboid battery pack, to the even pre-warmed function of on-vehicle battery group when can be implemented in vehicle launch, guarantee battery-efficient runs.The collecting and distributing heat of this heat management system of the utility model and heating function are integrated, and when dispelling the heat, electrical heating elements does not start work, can reach required radiating effect by abiogenous heat pipe effect; Starting electrical heating elements when heating, reaching required pre-heat effect in conjunction with micro heat pipe array board abiogenous heat pipe effect.Dispel the heat under utilizing this system to can be implemented in high-temperature condition, heat at low temperatures, ensure that vehicle-mounted cuboid battery pack temperature is even, without the need to additionally arranging the annex such as heat exchanger, pipeline in air cooling system, also a large amount of electric energy is consumed without the need to needing in liquid cooling system, avoiding maintenance simultaneously, change inconvenience etc. problem, also without the need to additionally using cold-producing medium, reducing system cost.
The heat management system that the utility model proposes, the partial installation of on-vehicle battery group, micro heat pipe array board and battery case body can be realized easily, namely can respectively on-vehicle battery group and micro heat pipe array board, on-vehicle battery group and battery case body and micro heat pipe array board and battery case body be assembled, for the design of on-vehicle battery heat management system splitization provides the foundation.The heat management system that the utility model proposes has integral structure, and structure is simple, volume compact, improves radiating efficiency and effect; Easy to use, easily mount and dismount, with low cost, battery case body can realize high-grade protection, except the efficient application managed at on-vehicle battery High Efficiency Thermal, can have range of application more widely.
The heat management system that the utility model proposes, the evaporation section of micro heat pipe array board can be adopted directly to be fitted in structure on the side (or perhaps cell panel face) of cuboid battery, the on-vehicle battery group overcoming prior art needs the shortcoming with the low weak effect of fluid media (medium) (water or air) direct heat transfer efficiency, decrease interface contact resistance, improve interfacial contact area, make on-vehicle battery can reach desirable exothermic temperature in the short period of time, and on-vehicle battery homogeneous temperature can be ensured; The evaporation section two sides of micro heat pipe array board more preferably can be adopted directly or indirectly to be fitted on the cell panel face of adjacent two cuboid batteries respectively, further increase heat radiation contact area, improve radiating efficiency and effect, reduce the usage quantity of micro heat pipe array board, tighten system bulk, more be adapted to the narrow confined space in battery case body, reduce system cost.
The heat management system that the utility model proposes, namely when battery pack upwards places that electrode is above, micro heat pipe array board can be adopted to be inclined upwardly setting, namely the angle being about 5 ° with certain acclivitous angle such as about 10 ° the bests is arranged on the cell panel face of cuboid battery, gravitational effect and capillary effect is utilized to make the liquid of the condensation segment regelation of micro heat pipe array board again flow back into the evaporation section of micro heat pipe array board more quickly, the heat that on-vehicle battery group produces can be taken away continuously fast and when low temperature, heat is imported on-vehicle battery group fast when so circulating in rapidly high temperature, make on-vehicle battery can reach desirable exothermic temperature in the short period of time, and on-vehicle battery homogeneous temperature can be ensured.
The heat management system that the utility model proposes, thermotransport passage such as air duct can be adopted to carry out ventilation process, adopt the heat transfer of forced-convection heat transfer technique micro heat pipe array board, when dispelling the heat for cuboid battery pack, plenum chamber can be adopted to air duct transporting cold wind, and the heat exchange element carry heat of distributing is from cuboid battery pack the most at last; In addition, making it send hot blast to air duct by changing plenum chamber wind pushing temperature parameter, namely can realize the preheating of on-vehicle battery group, further increasing the efficiency of heat management system.
The micro heat pipe array board that the heat management system that the utility model proposes adopts is metal material through the slab construction of micro heat pipe array having two and be arranged side by side above of extrusion modling, each micro heat pipe closed at both ends and filling liquid working medium in it, self-assembling formation heat pipe effect, the micro heat pipe array board manufacture craft of this structure is simple, there is the advantage that heat transfer efficiency is high, evaporation section has larger heat-absorbent surface simultaneously, can improve the efficiency and heat transfer efficiency that absorb on-vehicle battery heat further.For the structure in on-vehicle battery group casing, the equivalent diameter arranging micro heat pipe is 0.2mm-2.5mm, the thickness of micro heat pipe array board is 1.2mm-3.0mm, namely be provided with the scope of the equivalent diameter of single micro heat pipe, also namely further define the overall thermal transport capability of micro heat pipe array board and inner bearing capacity, the micro heat pipe array board adopted has the micro heat pipe array that two and two or more are arranged side by side, heat pipe effect can be independently there is in each micro heat pipe, the damage of a certain micro heat pipe normally works even if also can not affect other micro heat pipe, simultaneously, micro heat pipe array can simultaneously collaborative work, significantly improve heat exchange efficiency, in addition, micro-wing (to form capillary slot) or the indent microflute of augmentation of heat transfer can be provided with in each micro heat pipe, make no matter evaporation section or the heat-sinking capability of the unit vapor stream flux of condensation segment is greatly strengthened, there is the heat-transfer effect that conventional heat pipe is incomparable.
Accompanying drawing explanation
Fig. 1 a, Fig. 1 b, Fig. 1 c and Fig. 1 d are respectively the four kind preferred embodiment structural representations of the utility model for the heat management system of electric vehicle-mounted cuboid battery pack.
Fig. 2 is the schematic top plan view of Fig. 1 a or Fig. 1 b or Fig. 1 c or Fig. 1 d.
Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d are respectively the another four kind preferred embodiment structural representations of the utility model for the heat management system of electric vehicle-mounted cuboid battery pack, and Fig. 3 e is that partial enlarged drawing is looked on the right side of Fig. 3 a or Fig. 3 b or Fig. 3 c or Fig. 3 d.
To be the utility model arrange schematic diagram for the air duct of the heat management system of electric vehicle-mounted cuboid battery pack to Fig. 4.
In figure, each label lists as follows:
1-cuboid battery/cuboid battery pack; The evaporation section of micro heat pipe array board when 2-is the heat radiation of cuboid battery pack; The condensation segment of micro heat pipe array board when 3-is the heat radiation of cuboid battery pack; 4-is heat sink; 5-air duct; 6-plenum chamber; 7-resistance wire.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described.
A kind of heat management system for electric vehicle-mounted cuboid battery pack that the utility model relates to, comprise micro heat pipe array board, heat exchange element (can be preferably heat sink or heat exchanger) and thermal source, wherein, thermal source can be fluid media (medium) (can be that the hot fluid medium of temperature higher than battery temperature is as hot-air or the hot liquid) pipeline of electrical heating elements or heating, and electrical heating elements can be resistance wire or electric heating film, micro heat pipe array board be metal material through extrusion modling its in there is the platy structure of the micro heat pipe array that two or more is arranged side by side, in this micro heat pipe array, the equivalent diameter of each micro heat pipe is 0.2mm-2.5mm, when dispelling the heat for cuboid battery pack, the evaporation section of micro heat pipe array board and the cell panel face of cuboid battery pack fit, the condensation segment of micro heat pipe array board extend out to the lateral outer of cuboid battery pack, heat exchange element is arranged on the condensation segment of micro heat pipe array board, the evaporation section of micro heat pipe array board occur after absorbing cuboid battery pack heat energy heat pipe effect again by the condensation segment of micro heat pipe array board by heat exchange element and extraneous heat exchange, when for the preheating of cuboid battery pack, thermal source is arranged on the evaporation section of micro heat pipe array board, the condensation segment of micro heat pipe array board and the cell panel face of cuboid battery pack fit, the evaporation section of micro heat pipe array board occur after absorbing the heat energy of thermal source heat pipe effect again by the condensation segment heat release of micro heat pipe array board to cuboid battery pack.
Fig. 1 a is the structural representation of the utility model for the first embodiment of the heat management system of electric vehicle-mounted cuboid battery pack 1, comprise micro heat pipe array board (comprising the evaporation section of micro heat pipe array board and the condensation segment of micro heat pipe array board), heat sink 4 (one of heat exchange element is generally miniature fin) and resistance wires 7.As shown in Figure 1a, this embodiment a micro heat pipe array board is set and dispel the heat for cuboid battery pack 1 time micro heat pipe array board evaporation section 2 be directly or indirectly fitted on the cell panel face of cuboid battery 1, the evaporation section 2 of described direct laminating and micro heat pipe array board cell panel face that is direct and cuboid battery 1 fits tightly, namely described indirect laminating can make the evaporation section 2 of micro heat pipe array board indirectly fit tightly with the cell panel face of cuboid battery 1 by filling between the evaporation section 2 of micro heat pipe array board and the cell panel face of cuboid battery 1 heat-conducting medium such as heatproof heat conductive silica gel, both direct or indirect laminatings arrange and all enhance cooling surface contacts, the condensation segment 3 of micro heat pipe array board extend out to the lateral outer of cuboid battery pack 1, the condensation segment 3 of micro heat pipe array board is arranged as shown in Figure 2 heat sink 4 with enhance heat, heat sink 4 can adopt welding fabrication or extrusion modling, technique is simply easy to realize, heat-conducting medium such as heat conductive silica gel or heatproof silicone grease can be filled between heat sink 4 and the condensation segment 3 of micro heat pipe array board fit tightly to make both, realize maximum area contact.When dispelling the heat for cuboid battery pack, after the evaporation section 2 fitting tightly the micro heat pipe array board in the cell panel face in cuboid battery pack 1 absorbs cuboid battery pack 1 discharge and recharge heat, evaporation gasification and then in each micro heat pipe of micro heat pipe array, heat pipe effect occurs, then by the condensation segment 3 of micro heat pipe array board by heat sink 4 and extraneous heat exchange.This embodiment is also provided with the resistance wire 7 (i.e. preferred electrical heating elements) being wrapped in one end of micro heat pipe array board as shown in Figure 1a, not starting work for resistance wire 7 when cuboid battery pack is dispelled the heat.Starting work for resistance wire 7 during the preheating of cuboid battery pack, now resistance wire 7 is arranged on the evaporation section (namely micro heat pipe array board does not arrange one end of heat sink 4) of micro heat pipe array board, the condensation segment of the micro heat pipe array board evaporation section 2 of micro heat pipe array board (namely during heat radiation) fits with the cell panel face of cuboid battery pack 1, heat pipe effect is there is after the heat energy of the evaporation section absorption resistance silk 7 of micro heat pipe array board, then by the condensation segment evaporation section 2 of micro heat pipe array board (the namely during heat radiation) heat release of micro heat pipe array board to cuboid battery pack 1.Further illustrate, be condensation segment at the micro heat pipe array board fitted for during the preheating of cuboid battery pack and the cell panel face of cuboid battery pack 1 at the evaporation section 2 of the micro heat pipe array board fitted for when cuboid battery pack 1 is dispelled the heat and the cell panel face of cuboid battery pack 1 and be the interlude of micro heat pipe array board, as shown in Figure 1a, the two ends of micro heat pipe array board all extend out to the lateral outer of cuboid battery pack 1, the one ends wound resistance wire 7 of micro heat pipe array board, the other end arranges heat sink 4, and the setting of resistance wire 7 does not affect combining closely of the cell panel face of micro heat pipe array board and cuboid battery pack 1.
Fig. 1 b is the structural representation of the utility model for the second embodiment of the heat management system of electric vehicle-mounted cuboid battery pack 1, comprises micro heat pipe array board (comprising the evaporation section of micro heat pipe array board and the condensation segment of micro heat pipe array board), heat sink 4 and resistance wire 7.As shown in Figure 1 b, this embodiment arranges the setting and micro heat pipe array board is inclined upwardly of a micro heat pipe array board, the i.e. height of the part evaporation section 2 of micro heat pipe array board (when the dispelling the heat) that fits higher than the cell panel face of micro heat pipe array board and cuboid battery pack 1 of the micro heat pipe array board height that is provided with one end condensation segment 3 of micro heat pipe array board (namely during heat radiation) of heat sink 4, preferably with the angle being not more than 10 ° be inclined upwardly setting (as in the embodiment of Fig. 1 b for best angle 5 °), this micro heat pipe array board be obliquely installed the deficiency that partly can make up the capillary force in micro heat pipe, being directly or indirectly fitted on the cell panel face of cuboid battery 1 for the evaporation section 2 of micro heat pipe array board when cuboid battery pack 1 is dispelled the heat, the evaporation section 2 of described direct laminating and micro heat pipe array board cell panel face that is direct and cuboid battery 1 fits tightly, namely described indirect laminating can make the evaporation section 2 of micro heat pipe array board indirectly fit tightly with the cell panel face of cuboid battery 1 by filling between the evaporation section 2 of micro heat pipe array board and the cell panel face of cuboid battery 1 heat-conducting medium such as heatproof heat conductive silica gel, both direct or indirect laminatings arrange and all enhance cooling surface contacts, the condensation segment 3 of micro heat pipe array board extend out to the lateral outer of cuboid battery pack 1, the condensation segment 3 of micro heat pipe array board is arranged as shown in Figure 2 heat sink 4 with enhance heat, heat sink 4 can adopt welding fabrication or extrusion modling, technique is simply easy to realize, heat-conducting medium such as heat conductive silica gel or heatproof silicone grease can be filled between heat sink 4 and the condensation segment 3 of micro heat pipe array board fit tightly to make both, realize maximum area contact.When dispelling the heat for cuboid battery pack, after the evaporation section 2 fitting tightly the micro heat pipe array board in the cell panel face in cuboid battery pack 1 absorbs cuboid battery pack 1 discharge and recharge heat, evaporation is gasified and then heat pipe effect is occurred in micro heat pipe, the condensation segment 3 that heat is passed to micro heat pipe array board again by micro heat pipe array board condensation segment 3 by heat sink 4 with extraneous heat exchange, the liquid working substance regelation of now evaporating gasification becomes liquid under the effect of small capillary pressure difference, again flow back into the evaporation section 2 of micro heat pipe array board, micro heat pipe array board is inclined upwardly setting, such as, best angle in this enforcement about 5 °, make the liquid working substance of condensation segment 3 regelation of micro heat pipe array board under the effect of gravitational effect, again flow back into the evaporation section 2 of micro heat pipe array board more quickly, heat takes away by circulation like this continuously fast.This embodiment is also provided with the resistance wire 7 (i.e. preferred electrical heating elements) being wrapped in one end of micro heat pipe array board as shown in Figure 1 b, not starting work for resistance wire 7 when cuboid battery pack is dispelled the heat.When for the preheating of cuboid battery pack, resistance wire 7 starts work and it is arranged on the evaporation section (namely micro heat pipe array board does not arrange one end of heat sink 4) of micro heat pipe array board, the condensation segment of the micro heat pipe array board evaporation section 2 of micro heat pipe array board (namely during heat radiation) fits with the cell panel face of cuboid battery pack 1, after the heat energy of the evaporation section absorption resistance silk 7 of micro heat pipe array board there is heat pipe effect in evaporation gasification, the condensation segment that heat is passed to micro heat pipe array board again by the condensation segment heat release of micro heat pipe array board to cuboid battery pack 1, the liquid working substance regelation of now evaporating gasification becomes liquid under the effect of small capillary pressure difference, again flow back into the evaporation section of micro heat pipe array board, micro heat pipe array board is inclined upwardly setting, such as, best angle in this enforcement 5 °, make the liquid working substance of the condensation segment regelation of micro heat pipe array board under the double action of gravitational effect and capillary effect, again flow back into the evaporation section of micro heat pipe array board more quickly, heat is passed to cuboid battery pack by circulation like this continuously, further illustrate, be condensation segment at the micro heat pipe array board fitted for during the preheating of cuboid battery pack and the cell panel face of cuboid battery pack 1 at the evaporation section 2 of the micro heat pipe array board fitted for when cuboid battery pack 1 is dispelled the heat and the cell panel face of cuboid battery pack 1 and be the interlude of micro heat pipe array board, as shown in Figure 1 b, the two ends of micro heat pipe array board all extend out to the lateral outer of cuboid battery pack 1, one ends wound electrical heating elements-the resistance wire 7 of micro heat pipe array board, the other end arranges heat sink 4, and the setting of resistance wire 7 does not affect combining closely of the cell panel face of micro heat pipe array board and cuboid battery pack 1.
Fig. 1 c is the structural representation of the utility model for the third embodiment of the heat management system of electric vehicle-mounted cuboid battery pack 1, comprises micro heat pipe array board (comprising the evaporation section of micro heat pipe array board and the condensation segment of micro heat pipe array board), heat sink 4 and resistance wire 7.As illustrated in figure 1 c, this embodiment arranges two micro heat pipe array boards and being directly or indirectly fitted on the cell panel face of cuboid battery 1 for the evaporation section 2 of micro heat pipe array board when cuboid battery pack 1 is dispelled the heat.Each assembly of heat management system is as illustrated in figure 1 c arranged, advantage is identical with heat management system as shown in Figure 1a with effect, in addition, when conditions permit, the cell panel face of cuboid battery pack 1 can arrange the micro heat pipe array board that two or more are arranged side by side, more give full play to the heat-exchange capacity of micro heat pipe array board, strengthen radiating efficiency and effect.
Fig. 1 d is the structural representation of the utility model for the 4th kind of embodiment of the heat management system of electric vehicle-mounted cuboid battery pack 1, comprises micro heat pipe array board (comprising the evaporation section of micro heat pipe array board and the condensation segment of micro heat pipe array board), heat sink 4 and resistance wire 7.As shown in Figure 1 d, this embodiment arranges the setting and micro heat pipe array board is inclined upwardly of two micro heat pipe array boards, the i.e. height of the part evaporation section 2 of micro heat pipe array board (when the dispelling the heat) that fits higher than the cell panel face of micro heat pipe array board and cuboid battery pack 1 of the micro heat pipe array board height that is provided with one end condensation segment 3 of micro heat pipe array board (namely during heat radiation) of heat sink 4, preferably with the angle being not more than 10 ° be inclined upwardly setting (as in the embodiment of Fig. 1 d for best angle 5 °), this micro heat pipe array board be obliquely installed the deficiency that partly can make up the capillary force in micro heat pipe, being directly or indirectly fitted on the cell panel face of cuboid battery 1 for the evaporation section 2 of micro heat pipe array board when cuboid battery pack 1 is dispelled the heat.Each assembly of heat management system is as shown in Figure 1 d arranged, advantage is identical with heat management system as shown in Figure 1 b with effect, in addition, when conditions permit, the cell panel face of cuboid battery pack 1 can arrange the micro heat pipe array board that two or more are arranged side by side, more give full play to the heat-exchange capacity of micro heat pipe array board, strengthen radiating efficiency and effect.
As Fig. 1 a, Fig. 1 b, heat management system shown in Fig. 1 c and Fig. 1 d achieves micro heat pipe array board and vehicle-mounted cuboid battery pack fits tightly, avoid the series of problems that on-vehicle battery group needs to bring with fluid media (medium) (water or air) direct contact heat transfer, and existing on-vehicle battery heat management system needs additionally to arrange the shortcoming that device fits tightly with both making heat-shift, decrease interface contact resistance, improve interfacial contact area, improve heat exchanger effectiveness and effect, the heat sink enhance heat that the condensation segment of micro heat pipe array board is arranged is coordinated further when dispelling the heat, make vehicle-mounted cuboid battery pack can reach desirable exothermic temperature in the short period of time, electrical heating elements is started when heating, required pre-heat effect is reached in conjunction with micro heat pipe array board abiogenous heat pipe effect, dispel the heat under utilizing this system to can be implemented in high-temperature condition, heat at low temperatures, collecting and distributing heat and heating function are integrated, and ensure that vehicle-mounted cuboid battery pack temperature is even.The heat management system that the utility model proposes, the partial installation of on-vehicle battery group, micro heat pipe array board and battery case body can also be realized easily, for the design of on-vehicle battery heat management system splitization provides the foundation, its integral structure is simple, volume compact, heat exchange efficiency is high, effective, and battery case body can realize high-grade protection.
Preferably, Fig. 1 a, Fig. 1 b, the system shown in Fig. 1 c and Fig. 1 d can adopt the evaporation section 2 of micro heat pipe array board (to dispel the heat for cuboid battery pack further, because the condensation segment for during the preheating of cuboid battery pack being micro heat pipe array board) two sides are directly or indirectly fitted on the cell panel face of adjacent two cuboid batteries 1 as shown in Figure 2 respectively, Fig. 2 only show a micro heat pipe array board, also multiple micro heat pipe array board can be adopted, the two sides of the evaporation section (for the heat radiation of cuboid battery pack) of each micro heat pipe array board are successively set on the cell panel face of adjacent two cuboid batteries 1, this structure increases heat radiation contact area further, improve radiating efficiency and effect, simultaneously, can under the prerequisite not affecting radiating effect, reduce the usage quantity of micro heat pipe array board, further deflation system bulk, be adapted to the narrow confined space in battery case body, reduce system cost.
Micro heat pipe array board in the various embodiments described above preferably can for metal material be through the platy structure with the micro heat pipe array that two or more is arranged side by side of extrusion modling, in this micro heat pipe array, the equivalent diameter of each micro heat pipe preferably can be set to 0.2mm-2.5mm, preferably capillary structure can be provided with in the inwall of each micro heat pipe, the micro-wing possessing augmentation of heat transfer effect that this capillary structure is preferably arranged in the inwall of each micro heat pipe or the indent microflute along micro heat pipe length direction trend, the size of this micro-wing and structure are suitable for forming with micro heat pipe inwall the capillary slot moved towards along micro heat pipe length direction, certainly, the capillary structure of other form can also be adopted, each micro heat pipe closed at both ends and filling liquid working medium in it, self-assembling formation heat pipe effect, overallly forms micro heat pipe array board, and the thickness of micro heat pipe array board preferably can be set to 1.2mm-3.0mm, and heat sink thickness is 1mm-2mm.In addition, the setting of electrical heating elements is except such as Fig. 1 a, Fig. 1 b, shown in Fig. 1 c or Fig. 1 d outside the mode of the one ends wound resistance wire 7 of micro heat pipe array board, can also adopt and micro heat pipe array board is arranged one or more fluting along the pipe range direction being parallel to micro heat pipe array, as Fig. 3 a, Fig. 3 b, shown in four kinds of embodiments of Fig. 3 c and Fig. 3 d, Fig. 3 e is for looking close-up schematic view in the right side of the embodiment shown in Fig. 3 a or Fig. 3 b or Fig. 3 c or Fig. 3 d, the fluting that this embodiment is arranged is 4, and ensure each fluting and micro heat pipe array separate, namely fluting can not puncture each micro heat pipe, electrical heating elements can be chosen for resistance wire 7 equally, and resistance wire 7 is arranged in fluting in order to being the preheating of cuboid battery pack, further, arranging of electrical heating elements can also adopt electric heating film, this electric heating film is arranged the one end being namely fitted in micro heat pipe array board.
The heat management system that the utility model is used for electric vehicle-mounted cuboid battery pack can also comprise thermotransport passage, one end that this thermotransport passage (can be preferably the air duct 5 shown in Fig. 4) and micro heat pipe array board are provided with heat exchange element (can be preferably heat sink 4 shown in Fig. 1 a, Fig. 1 b, Fig. 1 c and Fig. 1 d) communicates, and heat exchange element is arranged along thermotransport channel direction, when dispelling the heat for cuboid battery pack, heat pipe effect is there is and is discharged by thermotransport passage by heat exchange element heat exchange by the condensation segment of micro heat pipe array board in the evaporation section of micro heat pipe array board after absorbing cuboid battery pack heat energy, as shown in Figure 4, namely air duct 5 and plenum chamber 6 is also comprised, one end that air duct 5 is provided with heat sink 4 with micro heat pipe array board communicates, plenum chamber 6 is arranged on the below of air duct 5, heat sink 4 are arranged along the direction of air duct 5, when dispelling the heat for cuboid battery pack 1, there is heat pipe effect after the evaporation section 2 of micro heat pipe array board absorbs cuboid battery pack 1 heat energy to be discharged by air duct 5 by heat sink 4 heat exchange by the condensation segment 3 of micro heat pipe array board again, plenum chamber 6 is to air duct 5 transporting cold wind, in conjunction with the condensation segment 3 of micro heat pipe array board by the heat radiation of heat sink 4, there is air outlet the top of air duct 5, this cold wind directly takes away the heat on heat sink 4, the radiating effect of further strengthening cuboid battery pack, in addition, when for the 1 group of preheating of cuboid battery, it can be made to air duct 5 heat air delivery by changing plenum chamber 6 wind pushing temperature parameter, in conjunction with the electrical heating elements such as resistance wire that one end of micro heat pipe array board is arranged, this hot blast effectively can slow down the sub-fraction heats of the evaporation section condensation segment 3 of micro heat pipe array board (namely during heat radiation) upper heat sink 4 losses of now micro heat pipe array board, the pre-heat effect of strengthening cuboid battery pack further.Further preferably, can also controller be set, regulates the parameters such as target temperature, air supply velocity and wind pushing temperature according to cuboid battery set charge/discharge multiplying power.
It should be pointed out that the above embodiment can make the invention of those skilled in the art's comprehend, but do not limit the present invention in any way creation.Therefore; although this specification has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can modify to the invention or equivalent replacement; in a word, all do not depart from technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection range of the invention patent.
Claims (8)
1. the heat management system for cuboid battery pack, it is characterized in that, comprise micro heat pipe array board, heat exchange element and thermal source, described micro heat pipe array board be metal material through extrusion modling its in there is the platy structure of the micro heat pipe array that two or more is arranged side by side, in described micro heat pipe array, the equivalent diameter of each micro heat pipe is 0.2mm-2.5mm
When dispelling the heat for cuboid battery pack, the evaporation section of described micro heat pipe array board and the cell panel face of cuboid battery pack fit, the condensation segment of described micro heat pipe array board extend out to the lateral outer of described cuboid battery pack, described heat exchange element is arranged on the condensation segment of described micro heat pipe array board, the evaporation section of described micro heat pipe array board occur after absorbing cuboid battery pack heat energy heat pipe effect again by the condensation segment of micro heat pipe array board by heat exchange element and extraneous heat exchange;
When for the preheating of cuboid battery pack, described thermal source is arranged on the evaporation section of micro heat pipe array board, the condensation segment of described micro heat pipe array board and the cell panel face of cuboid battery pack fit, the evaporation section of described micro heat pipe array board occur after absorbing the heat energy of thermal source heat pipe effect again by the condensation segment heat release of micro heat pipe array board to cuboid battery pack.
2. heat management system according to claim 1, it is characterized in that, be condensation segment at the micro heat pipe array board fitted for during the preheating of cuboid battery pack and the cell panel face of cuboid battery pack at the evaporation section of the micro heat pipe array board fitted for when cuboid battery pack is dispelled the heat and the cell panel face of cuboid battery pack and be the interlude of micro heat pipe array board, the two ends of described micro heat pipe array board all extend out to the lateral outer of described cuboid battery pack, one end of described micro heat pipe array board arranges thermal source, and the other end arranges heat exchange element.
3. heat management system according to claim 2, it is characterized in that, described thermal source is the fluid media (medium) pipeline of electrical heating elements or heating, and described electrical heating elements is resistance wire or electric heating film, and described resistance wire or electric heating film are arranged on one end of micro heat pipe array board;
And/or described heat exchange element is heat sink or heat exchanger;
And/or, be provided with capillary structure in the inwall of each micro heat pipe in described micro heat pipe array board.
4. heat management system according to claim 1, it is characterized in that, one or more fluting is provided with along the pipe range direction being parallel to micro heat pipe array outside described micro heat pipe array board, described fluting and micro heat pipe array separate, described thermal source is resistance wire, and described resistance wire is arranged in fluting.
5. according to the heat management system one of Claims 1-4 Suo Shu, it is characterized in that, also comprise thermotransport passage, one end that described thermotransport passage and micro heat pipe array board are provided with heat exchange element communicates, and described heat exchange element is arranged along thermotransport channel direction; When dispelling the heat for cuboid battery pack, there is heat pipe effect and discharged by thermotransport passage by heat exchange element heat exchange by the condensation segment of micro heat pipe array board in the evaporation section of described micro heat pipe array board after absorbing cuboid battery pack heat energy.
6. heat management system according to claim 5, is characterized in that, described thermotransport passage is air duct, when dispelling the heat for cuboid battery pack, and transporting cold wind in described air duct; When for the preheating of cuboid battery pack, heat air delivery in described air duct.
7. according to the heat management system one of Claims 1-4 Suo Shu, it is characterized in that, be directly or indirectly fitted on the cell panel face of adjacent two cuboid batteries respectively in the evaporation section two sides for micro heat pipe array board described when cuboid battery pack is dispelled the heat; Described micro heat pipe array board is inclined upwardly setting, the height of the part that the height that described micro heat pipe array board is provided with one end of heat exchange element fits higher than the cell panel face of micro heat pipe array board and cuboid battery pack.
8. heat management system according to claim 7, it is characterized in that, the thickness of described micro heat pipe array board is 1.2mm-3.0mm, is filled with heat-conducting medium between described micro heat pipe array board and cuboid battery pack, is filled with heat-conducting medium between described micro heat pipe array board and heat exchange element;
And/or, when being provided with capillary structure in the inwall of described each micro heat pipe, described capillary structure is the micro-wing possessing augmentation of heat transfer effect arranged in the inwall of each micro heat pipe or the indent microflute moved towards along micro heat pipe length direction, and the size of described micro-wing and structure are suitable for forming with micro heat pipe inwall the capillary slot moved towards along micro heat pipe length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777222.4U CN205039216U (en) | 2015-10-08 | 2015-10-08 | Thermal management system of cuboid group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777222.4U CN205039216U (en) | 2015-10-08 | 2015-10-08 | Thermal management system of cuboid group battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039216U true CN205039216U (en) | 2016-02-17 |
Family
ID=55298090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777222.4U Active CN205039216U (en) | 2015-10-08 | 2015-10-08 | Thermal management system of cuboid group battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205039216U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571499A (en) * | 2015-10-08 | 2017-04-19 | 赵耀华 | Thermal management system and method of cuboid battery pack |
| CN106842062A (en) * | 2017-03-29 | 2017-06-13 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway test device and its method of testing |
| CN109378547A (en) * | 2018-10-23 | 2019-02-22 | 南昌大学 | A kind of battery pack heat dissipation structure with microchannel gravity assisted heat pipe |
| CN109565003A (en) * | 2016-04-20 | 2019-04-02 | 康福斯能源公司 | The shell of battery unit carrier and the stack assemblies for including multiple battery unit carriers |
| CN109640585A (en) * | 2018-12-17 | 2019-04-16 | 珠海格力电器股份有限公司 | Radiating subassembly and air-conditioner set |
| CN110707259A (en) * | 2019-06-13 | 2020-01-17 | 赵耀华 | High-protection-level air-cooled lithium battery pack thermal management system and method |
| CN111384469A (en) * | 2018-12-30 | 2020-07-07 | 浙江吉智新能源汽车科技有限公司 | Battery package thermal management system and vehicle |
| CN113540501A (en) * | 2021-07-06 | 2021-10-22 | 天津大学 | Thermal management system and control method of high-temperature proton exchange membrane fuel cell |
-
2015
- 2015-10-08 CN CN201520777222.4U patent/CN205039216U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571499A (en) * | 2015-10-08 | 2017-04-19 | 赵耀华 | Thermal management system and method of cuboid battery pack |
| CN109565003A (en) * | 2016-04-20 | 2019-04-02 | 康福斯能源公司 | The shell of battery unit carrier and the stack assemblies for including multiple battery unit carriers |
| CN106842062A (en) * | 2017-03-29 | 2017-06-13 | 广州中国科学院工业技术研究院 | Secondary cell thermal runaway test device and its method of testing |
| CN109378547A (en) * | 2018-10-23 | 2019-02-22 | 南昌大学 | A kind of battery pack heat dissipation structure with microchannel gravity assisted heat pipe |
| CN109640585A (en) * | 2018-12-17 | 2019-04-16 | 珠海格力电器股份有限公司 | Radiating subassembly and air-conditioner set |
| CN109640585B (en) * | 2018-12-17 | 2024-04-05 | 珠海格力电器股份有限公司 | Radiating assembly and air conditioning unit |
| CN111384469A (en) * | 2018-12-30 | 2020-07-07 | 浙江吉智新能源汽车科技有限公司 | Battery package thermal management system and vehicle |
| CN110707259A (en) * | 2019-06-13 | 2020-01-17 | 赵耀华 | High-protection-level air-cooled lithium battery pack thermal management system and method |
| CN110739425A (en) * | 2019-06-13 | 2020-01-31 | 赵耀华 | vertical lithium battery pack air-cooling type thermal management system and method with high protection level |
| CN113540501A (en) * | 2021-07-06 | 2021-10-22 | 天津大学 | Thermal management system and control method of high-temperature proton exchange membrane fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205039216U (en) | Thermal management system of cuboid group battery | |
| CN202758989U (en) | Battery system with multi-medium cooling source | |
| CN105633509B (en) | A kind of power battery compound thermal management system and method | |
| Ma et al. | Experimental study on the performance of vehicle integrated thermal management system for pure electric vehicles | |
| CN205543155U (en) | Battery package cooling system | |
| CN110739505A (en) | safe and energy-saving vertical lithium battery pack dual-mode thermal management system and method | |
| CN102709618B (en) | Microchannel cooling temperature equalizing system for ventilation of lithium battery | |
| CN106785219B (en) | Electric automobile, infusion device matched with electric automobile and heat dissipation method | |
| CN204011602U (en) | A kind of phase-change heat radiating device for flat battery | |
| CN205429112U (en) | Device of lithium cell among hybrid vehicle | |
| CN103855441A (en) | Battery cooling system of novel energy vehicle | |
| CN108550951A (en) | A kind of high-power lithium ion battery heat management system | |
| CN105742753A (en) | Thermal management method and device for battery pack | |
| Lin et al. | Research progress of phase change storage material on power battery thermal management | |
| CN109585729A (en) | A kind of controlling temp type power battery pack | |
| CN110071348A (en) | Based on the cooling power battery thermal management system of composite phase-change material and its application | |
| CN107579306A (en) | A kind of battery module cooled down based on air and phase-change material | |
| CN106785236B (en) | Thermal management system and method for cylindrical battery pack | |
| CN205282609U (en) | Thermal management system of cylinder group battery | |
| CN107611517A (en) | A kind of temperature control equipment of dynamic lithium battery group | |
| CN107681223B (en) | Lithium battery preheating and heat dissipation system utilizing two-phase flow power type separated heat pipe | |
| CN106571499A (en) | Thermal management system and method of cuboid battery pack | |
| CN205621821U (en) | Compound thermal management system of power battery | |
| CN203103466U (en) | Thermal management system for lithium batteries of hybrid electric vehicle | |
| CN109786889A (en) | A kind of passive phase-change type battery thermal management system of master |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: 255213 Shandong Zibo Boshan Economic Development Zone Chuang Chuang business building Patentee after: Zibo Boyi New Energy Technology Development Co., Ltd. Address before: 100020 A block 701, 210 floor, East Garden, Wangjing garden, Chaoyang District, Beijing. Patentee before: Zhao Yaohua |
|
| TR01 | Transfer of patent right |