CN203839482U - Battery module and battery pack and vehicle provided with battery module - Google Patents
Battery module and battery pack and vehicle provided with battery module Download PDFInfo
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- CN203839482U CN203839482U CN201420140914.3U CN201420140914U CN203839482U CN 203839482 U CN203839482 U CN 203839482U CN 201420140914 U CN201420140914 U CN 201420140914U CN 203839482 U CN203839482 U CN 203839482U
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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 discloses a battery module and a battery pack and a vehicle provided with the battery module. The battery module comprises a body, a left phase change heat-conducting fin, a right phase change heat-conducting fin, a left cooling plate and a right cooling plate, wherein the body comprises multiple sequentially connected battery units, each battery unit comprises at least one single battery, and each single battery is provided with a left pole lug and a right pole lug. The left phase change heat-conducting fin is in contact with the left pole lug of each single battery, and the right phase change heat-conducting fin is in contact with the right pole lug of each single battery. The left cooling plate is arranged on the left phase change heat-conducting fin, the right cooling plate is arranged on the right phase change heat-conducting fin, each of the left cooling plate and the right cooling plate is provided with a cooling cavity, a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are communicated with the cooling cavity. The battery module has the advantages of being even in bulk temperature, high in charge-discharge efficiency, long in service life, simple in structure, small in part number, light in weight, small in occupied space and the like.
Description
Technical field
The utility model relates to a kind of battery pack, also relates to a kind of power brick and vehicle with this battery pack.
Background technology
Existing battery pack can not, by effectively cooling, cause the poor-performing of existing battery pack, and useful life is very short.It is cooling that existing battery pack can utilize air blast cooling to carry out, by blower fan make air-flow by the narrow and small gap in battery pack to lower the temperature, or set up independent air channel, by fin the heat of battery pack be transmitted in air channel, carry out cooling.
Utility model content
Inventor finds after further investigation: efficiency for charge-discharge when battery is worked within the scope of its normal serviceability temperature is high, in the time that the temperature of battery exceedes its normal serviceability temperature scope (25 degree are to 55 degree), the efficiency for charge-discharge of battery significantly reduces, and can have a strong impact on the useful life of battery.Wherein, in running order battery, the heating temp that the lug of battery (electrode) is located is the highest, and the temperature of the lug of battery is the highest, and the heat distributing is maximum.
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.For this reason, an object of the present utility model is to propose a kind ofly have that bulk temperature is even, efficiency for charge-discharge is high, long service life, simple in structure, number of spare parts is few, weight is little, the battery pack of the advantage such as little that takes up room.
Another object of the present utility model is to propose a kind of power brick with described battery pack.
Another object of the present utility model is to propose a kind of vehicle with described power brick.
Comprise according to the battery pack of the utility model first aspect: body, described body comprises multiple connected battery units successively, and each described battery unit comprises at least one battery cell, and each described battery cell has left lug and right lug; Left heat conduction with phase change sheet and right heat conduction with phase change sheet, described left heat conduction with phase change sheet contacts with the left lug of each described battery cell, and described right heat conduction with phase change sheet contacts with the right lug of each described battery cell; And left coldplate and right coldplate, described left coldplate is located on described left heat conduction with phase change sheet, described right coldplate is located on described right heat conduction with phase change sheet, inlet and liquid outlet that each in wherein said left coldplate and described right coldplate is provided with cooling chamber and is communicated with described cooling chamber.
According to battery pack of the present utility model by the left heat conduction with phase change sheet contacting with the left lug of described battery cell and the right heat conduction with phase change sheet contacting with the right lug of described battery cell and described left coldplate is set on described left heat conduction with phase change sheet and on described right heat conduction with phase change sheet, described right coldplate is set are set, thereby can utilize described left heat conduction with phase change sheet effectively to reduce the contact heat resistance between the left lug of described left coldplate and described battery cell, and can utilize described right heat conduction with phase change sheet effectively to reduce the contact heat resistance between the right lug of described right coldplate and described battery cell.
In other words, by left heat conduction with phase change sheet being set between the left lug at described battery cell and described left coldplate, thereby can improve the heat conduction efficiency between left lug and the described left coldplate of described battery cell and make left lug and the described left coldplate insulation of described battery cell, by described right heat conduction with phase change sheet is set between the right lug at described battery cell and described right coldplate, thereby can improve the heat conduction efficiency between right lug and the described right coldplate of described battery cell and make right lug and the described right coldplate insulation of described battery cell.Can effectively carry out cooling to described battery cell thus, and then can effectively carry out cooling to multiple battery units of described battery pack, thereby can make described battery pack work within the scope of the normal serviceability temperature of battery pack all the time time, so as to improve described battery pack efficiency for charge-discharge, extend the useful life of described battery pack.
And, undertaken by generate heat in direct cooling described battery cell serious left lug and right lug cooling, thereby ensured cooling effectiveness.In addition,, because described left coldplate and described right coldplate can carry out coolingly effectively to multiple described battery units, therefore solved the problem of the uneven bulk temperature skewness causing of heating between described battery cell.
And existingly between battery cell, inserting extra fin and using the indirect air-cooled scheme in air channel and between battery cell, insert compared with the indirect water-cooling scheme of extra fin, the number of spare parts using according to battery pack of the present utility model still less, weight is lighter, and the space that described left coldplate and described right coldplate take is less.Therefore, according to battery pack of the present utility model have that bulk temperature is even, efficiency for charge-discharge is high, long service life, simple in structure, number of spare parts is few, weight is little, the advantage such as little takes up room.
In addition, can also there is following additional technical characterictic according to the above-mentioned battery pack of the utility model:
Described left heat conduction with phase change sheet is in compressive state, and described right heat conduction with phase change sheet is in compressive state.Can further reduce thus contact heat resistance between the left lug of described left coldplate and described battery cell and the contact heat resistance between the right lug of described right coldplate and described battery cell, thereby the left lug to described battery cell and right lug carry out more effectively cooling.
The decrement of described left heat conduction with phase change sheet is in the scope of 10%-20%, and the decrement of described right heat conduction with phase change sheet is in the scope of 10%-20%.Thus can be in the situation that guaranteeing cooling effect, reduce the assembling difficulty of described battery pack.
The left lug of each described battery cell comprises left lug body and the left folding turn of bilge being connected with described left lug body, the right lug of each described battery cell comprises right lug body and the right folding turn of bilge being connected with described right lug body, wherein said left heat conduction with phase change sheet contacts with the left folding turn of bilge of the left lug of each described battery cell, and described right heat conduction with phase change sheet contacts with the right folding turn of bilge of the right lug of each described battery cell.
Can increase thus described left heat conduction with phase change sheet and described battery cell left lug contact area and increase the contact area of the right lug of described right heat conduction with phase change sheet and described battery cell, and then can increase described left coldplate and described battery cell left lug contact area and increase the contact area of the right lug of described right coldplate and described battery cell, thereby the left lug to described battery cell and right lug carry out cooling more effectively.
The edge of the left folding turn of bilge of the left lug of each described battery cell is positioned at the inner side at the edge of described left heat conduction with phase change sheet, the inner side at the edge of described left heat conduction with phase change sheet is positioned at the inner side at the edge of the described cooling chamber of described left coldplate, the edge of the right folding turn of bilge of the right lug of each described battery cell is positioned at the inner side at the edge of described right heat conduction with phase change sheet, and the inner side at the edge of described right heat conduction with phase change sheet is positioned at the inner side at the edge of the described cooling chamber of described right coldplate.
Can make thus described left heat conduction with phase change sheet contact with the whole left folding turn of bilge of each described battery cell and described right heat conduction with phase change sheet is contacted with the whole right folding turn of bilge of each described battery cell, and can make described left coldplate and whole left heat conduction with phase change sheet carry out heat exchange and make described right coldplate and whole right heat conduction with phase change sheet carries out heat exchange, thereby the left lug to described battery cell and right lug carry out cooling more effectively.
The left lug of the battery cell of adjacent two described battery units links together by welding (as supersonic welding), and the right lug of the battery cell of adjacent two described battery units links together by welding (as supersonic welding).
Described battery pack also comprises: left backplate, and described left backplate is located on the left surface of described body, and wherein said left heat conduction with phase change sheet and described left coldplate are clamped between the left lug of described left backplate and each described battery cell; With right backplate, described right backplate is located on the right flank of described body, and wherein said right heat conduction with phase change sheet and described right coldplate are clamped between the right lug of described right backplate and each described battery cell.
By described left backplate and described right backplate are set; thereby not only can further reduce the assembling difficulty of described battery pack; and further improve the cooling effect of the left lug of described left coldplate to described battery cell and the cooling effect of the right lug of described right coldplate to described battery cell, and can utilize described left backplate and described right backplate to form protection to described body, described left coldplate and described right coldplate.
Each described battery unit comprises: support frame; With two battery cells, two described battery cells are located on described support frame at interval, two described battery cell serial or parallel connections.Can make thus the structure of described battery pack more reasonable.
Propose a kind of power brick according to second aspect of the present utility model, described power brick comprises: multiple battery pack, and described battery pack is according to the battery pack described in the utility model first aspect; Feed tube, the described left coldplate of described feed tube and each described battery pack is connected with each the inlet in described right coldplate; And drain pipe, the described left coldplate of described drain pipe and each described battery pack is connected with each the liquid outlet in described right coldplate.
According to power brick of the present utility model by arranging according to the battery pack described in the utility model first aspect, thereby have that bulk temperature is even, efficiency for charge-discharge is high, long service life, simple in structure, number of spare parts is few, weight is little, the advantage such as little takes up room.
Propose a kind of vehicle according to the third aspect of the present utility model, described vehicle comprises: vehicle body; And power brick, described power brick is that described power brick is located on described vehicle body according to the power brick described in the utility model second aspect.
According to vehicle of the present utility model by arranging according to the power brick described in the utility model second aspect, thereby there is stable performance, the advantage such as rational in infrastructure.
Brief description of the drawings
Fig. 1 is according to the structural representation of the battery pack of the utility model embodiment;
Fig. 2 is according to the explosive view of the battery pack of the utility model embodiment;
Fig. 3 is the partial structurtes schematic diagram according to the battery pack of the utility model embodiment;
Fig. 4 is according to the structural representation of the power brick of the utility model embodiment.
Reference numeral:
Power brick 1,
Battery pack 10, body 101, battery unit 1011, battery cell 10111, right lug 10112, right lug body 10113, right folding turn of bilge 10114, support frame 10115, foam part 10116,
Left heat conduction with phase change sheet 102, right heat conduction with phase change sheet 103, left coldplate 104, inlet 1041, liquid outlet 1042, right coldplate 105, left backplate 106, right backplate 107, feed tube 20, drain pipe 30
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Inventor finds after further investigation: efficiency for charge-discharge when battery is worked within the scope of its normal serviceability temperature is high, in the time that the temperature of battery exceedes its normal serviceability temperature scope, the efficiency for charge-discharge of battery significantly reduces, and can have a strong impact on the useful life of battery.Wherein, in running order battery, the heating temp that the lug of battery (electrode) is located is the highest, and the temperature of the lug of battery is the highest, and the heat distributing is maximum.
Describe according to the battery pack 10 of the utility model embodiment below with reference to Fig. 1-Fig. 3.As shown in Figure 1-Figure 3, comprise body 101, left heat conduction with phase change sheet 102, right heat conduction with phase change sheet 103, left coldplate 104 and right coldplate 105 according to the battery pack 10 of the utility model embodiment.
Body 101 comprises multiple connected battery units 1011 successively, and each battery unit 1011 comprises at least one battery cell 10111, and each battery cell 10111 has left lug (not shown) and right lug 10112.Left heat conduction with phase change sheet 102 contacts with the left lug of each battery cell 10111, and right heat conduction with phase change sheet 103 contacts with the right lug 10112 of each battery cell 10111.Left coldplate 104 is located on left heat conduction with phase change sheet 102, and right coldplate 105 is located on right heat conduction with phase change sheet 103.Wherein, each in left coldplate 104 and right coldplate 105 is provided with cooling chamber and is communicated with cooling chamber inlet 1041 and liquid outlet 1042.Wherein, left and right directions as shown in Figure 1, Figure 2 with Fig. 4 in arrow A shown in.
According to the battery pack 10 of the utility model embodiment by the left heat conduction with phase change sheet 102 contacting with the left lug of battery cell 10111 and the right heat conduction with phase change sheet 103 contacting with the right lug 10112 of battery cell 10111 and left coldplate 104 is set on left heat conduction with phase change sheet 102 and right coldplate 105 is set on right heat conduction with phase change sheet 103 are set, thereby can utilize left heat conduction with phase change sheet 102 effectively to reduce the contact heat resistance between left coldplate 104 and the left lug of battery cell 10111, and can utilize right heat conduction with phase change sheet 103 effectively to reduce the contact heat resistance between right coldplate 105 and the right lug 10112 of battery cell 10111.
In other words, by left heat conduction with phase change sheet 102 is set between the left lug at battery cell 10111 and left coldplate 104, thereby can improve the heat conduction efficiency between left lug and the left coldplate 104 of battery cell 10111 and the left lug of battery cell 10111 and left coldplate 104 are insulated, by right heat conduction with phase change sheet 103 is set between the right lug 10112 at battery cell 10111 and right coldplate 105, thereby can improve the heat conduction efficiency between right lug 10112 and the right coldplate 105 of battery cell 10111 and the right lug 10112 of battery cell 10111 is insulated with right coldplate 105.Can effectively carry out cooling to battery cell 10111 thus, and then can effectively carry out cooling to multiple battery units 1011 of battery pack 10, thereby can make battery pack 10 work within the scope of the normal serviceability temperature of battery pack 10 all the time time, to improve the efficiency for charge-discharge of battery pack 10, the useful life of prolongation battery pack 10.
And, undertaken by generate heat in direct cool batteries monomer 10111 serious left lug and right lug 10112 cooling, thereby ensured cooling effectiveness.In addition,, because left coldplate 104 and right coldplate 105 can carry out coolingly effectively to multiple battery units 1011, therefore solved the problem of 10111 uneven bulk temperature skewness that cause of heating of battery cell.
And existingly between battery cell, inserting extra fin and using the indirect air-cooled scheme in air channel and between battery cell, insert compared with the indirect water-cooling scheme of extra fin, the number of spare parts using according to the battery pack 10 of the utility model embodiment still less, weight is lighter, and the space that left coldplate 104 and right coldplate 105 take is less.Therefore, according to the battery pack 10 of the utility model embodiment have that bulk temperature is even, efficiency for charge-discharge is high, long service life, simple in structure, number of spare parts is few, weight is little, the advantage such as little takes up room.
Particularly, in other words, left heat conduction with phase change sheet 102 is located between left coldplate 104 and the left lug of each battery cell 10111, and the left lug of left heat conduction with phase change sheet 102 and each battery cell 10111 contacts with each in left coldplate 104.Right heat conduction with phase change sheet 103 is located between right coldplate 105 and the right lug 10112 of each battery cell 10111, and the right lug 10112 of right heat conduction with phase change sheet 103 and each battery cell 10111 contacts with each in right coldplate 105.
Advantageously, left heat conduction with phase change sheet 102 can be in compressive state, and right heat conduction with phase change sheet 103 also can be in compressive state.Can further reduce thus the contact heat resistance between contact heat resistance and right coldplate 105 and the right lug 10112 of battery cell 10111 between left coldplate 104 and the left lug of battery cell 10111, thereby the left lug to battery cell 10111 and right lug 10112 carry out more effectively cooling.
The decrement of left heat conduction with phase change sheet 102 can be in the scope of 10%-20%, and the decrement of right heat conduction with phase change sheet 103 can be in the scope of 10%-20%.Can, in the situation that guaranteeing cooling effect, reduce the assembling difficulty of battery pack 10 thus.
In an embodiment of the present utility model, left coldplate 104 can be located on the left surface of body 101, and left heat conduction with phase change sheet 102 can be clamped between left coldplate 104 and the left lug of battery cell 10111 to make left heat conduction with phase change sheet 102 in compressive state.Right coldplate 105 can be located on the right flank of body 101, and right heat conduction with phase change sheet 103 can be clamped between right coldplate 105 and the right lug 10112 of battery cell 10111 to make right heat conduction with phase change sheet 103 in compressive state.
As depicted in figs. 1 and 2, in embodiment more of the present utility model, battery pack 10 can also comprise left backplate 106 and right backplate 107.Left backplate 106 can be located on the left surface 1012 of body 101, and left heat conduction with phase change sheet 102 and left coldplate 104 can be clamped between left backplate 106 and the left lug of each battery cell 10111.Right backplate 107 can be located on the right flank of body 101, and right heat conduction with phase change sheet 103 and right coldplate 105 can be clamped between right backplate 107 and the right lug 10112 of each battery cell 10111.
By left backplate 106 and right backplate 107 are set; thereby not only can further reduce the assembling difficulty of battery pack 10; and further improve the cooling effect of the left lug of left coldplate 104 to battery cell 10111 and the cooling effect of the right lug 10112 of right coldplate 105 to battery cell 10111, and can utilize left backplate 106 and right backplate 107 to form protection to body 101, left coldplate 104 and right coldplate 105.
In a concrete example of the present utility model, as shown in Figure 2, each battery unit 1011 can comprise that support frame 10115 and 10111, two battery cells 10111 of two battery cells can be located on support frame 10115 at interval, and two battery cells 10111 can serial or parallel connection.Can make thus the structure of battery pack 10 more reasonable.
As shown in Figure 2, advantageously, each battery unit 1011 can also comprise foam part 10116, and foam part 10116 can be clamped between two battery cells 10111, and foam part 10116 can be in compressive state.In other words, foam part 10116 can be made up of foam material.By foam part 10116 is set between two battery cells 10111, thereby can make two battery cell 10111 flexible contacts, the heating that foam part 10116 can produce battery cell 10111 in charging and discharging process is expanded and is cushioned, can avoid so adjacent battery cell 10111 to damage because of extruding mutually, thus the useful life of having improved widely battery pack 10.
As shown in Figure 3, in examples more of the present utility model, the left lug of each battery cell 10111 can comprise left lug body and the left folding turn of bilge being connected with left lug body, and the right lug 10112 of each battery cell 10111 can comprise right lug body 10113 and the right folding turn of bilge 10114 being connected with right lug body 10113.Wherein, left heat conduction with phase change sheet 102 can contact with the left folding turn of bilge of the left lug of each battery cell 10111, and right heat conduction with phase change sheet 103 contacts with the right folding turn of bilge 10114 of the right lug of each battery cell 10111.
Can increase thus the contact area of left heat conduction with phase change sheet 102 and the left lug of battery cell 10111 and increase the contact area of right heat conduction with phase change sheet 103 and the right lug 10112 of battery cell 10111, and then can increase the contact area of left coldplate 104 and the left lug of battery cell 10111 and increase the contact area of right coldplate 105 and the right lug 10112 of battery cell 10111, thereby the left lug to battery cell 10111 and right lug 10112 carry out cooling more effectively.
Advantageously, as shown in Figure 3, each in left lug and the right lug 10112 of battery cell 10111 can be substantially L shaped.That is to say, left lug body can be perpendicular to left folding turn of bilge, and right lug body 10113 can be perpendicular to right folding turn of bilge 10114.
In the time that two battery cells 10111 of each battery unit 1011 are in parallel, the anode ear (for example left lug) of two battery cells 10111 of each battery unit 1011 links together to form anode ear group, and the negative electrode lug of two battery cells 10111 of each battery unit 1011 (for example right lug 10112) links together to form negative electrode lug group.Wherein, the negative electrode lug group of another in the anode ear group of in adjacent two battery units 1011 and adjacent two battery units 1011 is positioned at the same side (for example left side), the anode ear group of another in the negative electrode lug group of in adjacent two battery units 1011 and adjacent two battery units 1011 is positioned at the same side (for example right side), and multiple battery units 1011 are connected.
In the time that two battery cells 10111 of each battery unit 1011 are connected, the anode ear (for example left lug) of a battery cell 10111 can for example, be connected with the negative electrode lug of another battery cell 10111 (left lug), and the negative electrode lug (for example right lug 10112) of a battery cell 10111 can for example, be connected with the anode ear of another battery cell 10111 (right lug 10112).Adjacent two battery units 1011 can be connected, and the anode ear of the battery cell 10111 of one of them battery unit 1011 can be connected with another in the anode ear of the battery cell of another battery unit 1,011 10111 and negative electrode lug with in negative electrode lug one.
As shown in Figure 3, the left folding turn of bilge of one in adjacent two battery cells 10111 is connected with another the left folding turn of bilge in adjacent two battery cells 10111, and the right folding turn of bilge 10114 of in adjacent two battery cells 10111 is connected with another the right folding turn of bilge 10114 in adjacent two battery cells 10111.
The left lug of the battery cell 10111 of adjacent two battery units 1011 can link together by welding (as supersonic welding), and the right lug 10112 of the battery cell 10111 of adjacent two battery units 1011 can be connected together by supersonic welding.Wherein, as long as two lugs are connected, can realize by ultrasonic bonding.
Particularly, the right flank of left heat conduction with phase change sheet 102 can directly contact with the left surface of in two left folding turn of bilges that are connected, and the right flank of left coldplate 104 can directly contact with the left surface of left heat conduction with phase change sheet 102.The left surface of right heat conduction with phase change sheet 103 can directly contact with the right flank of in two right folding turn of bilges 10114 that are connected, and the left surface of right coldplate 105 can directly contact with the right flank of right heat conduction with phase change sheet 103.
In a concrete example of the present utility model, the edge of the left folding turn of bilge of the left lug of each battery cell 10111 can be positioned at the inner side at the edge of left heat conduction with phase change sheet 102, and the edge of left heat conduction with phase change sheet 102 can be positioned at the inner side at the edge of the cooling chamber of left coldplate 104.The edge of the right folding turn of bilge 10114 of the right lug 10112 of each battery cell 10111 can be positioned at the inner side at the edge of right heat conduction with phase change sheet 103, and the edge of right heat conduction with phase change sheet 103 can be positioned at the inner side at the edge of the cooling chamber of right coldplate 105.
Can make thus left heat conduction with phase change sheet 102 contact with the whole left folding turn of bilge of each battery cell 10111 and right heat conduction with phase change sheet 103 is contacted with the whole right folding turn of bilge 10114 of each battery cell 10111, and can make left coldplate 104 and whole left heat conduction with phase change sheet 102 carry out heat exchange and make right coldplate 105 carry out heat exchange with whole right heat conduction with phase change sheet 103, thereby the left lug to battery cell 10111 and right lug 10112 carry out cooling more effectively.
Describe according to the power brick 1 of the utility model embodiment below with reference to Fig. 1-Fig. 4.As Figure 1-Figure 4, comprise multiple battery pack, feed tube 20 and drain pipe 30 according to the power brick 1 of the utility model embodiment.
Described battery pack is the battery pack 10 according to above-described embodiment.The left coldplate 104 of feed tube 20 and each battery pack 10 is connected with each the inlet in right coldplate 105.The left coldplate 104 of drain pipe 30 and each battery pack 10 is connected with each the liquid outlet in right coldplate 105.
According to the power brick 1 of the utility model embodiment by the battery pack 10 according to above-described embodiment is set, thereby have that bulk temperature is even, efficiency for charge-discharge is high, long service life, simple in structure, number of spare parts is few, weight is little, the advantage such as little takes up room.
As shown in Figure 4, because the left coldplate 104 of feed tube 20 and each battery pack 10 is connected with each the inlet in right coldplate 105 and the left coldplate 104 of drain pipe 30 and each battery pack 10 is connected with each the liquid outlet in right coldplate 105, therefore the cooling water channel parallel connection of multiple battery pack 10, thus the heat radiation uniformity of power brick 1 can be improved.
The utility model also provides a kind of vehicle.Comprise vehicle body and power brick according to the vehicle of the utility model embodiment.Described power brick is the power brick 1 according to above-described embodiment, and power brick 1 is located on described vehicle body.
According to the vehicle of the utility model embodiment by the power brick 1 according to above-described embodiment is set, thereby there is stable performance, the advantage such as rational in infrastructure.
Particularly, battery cell 10111 can be lithium ion battery.Can be motor vehicle or motor vehicle driven by mixed power according to the vehicle of the utility model embodiment.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this specification or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (10)
1. a battery pack, is characterized in that, comprising:
Body, described body comprises multiple connected battery units successively, and each described battery unit comprises at least one battery cell, and each described battery cell has left lug and right lug;
Left heat conduction with phase change sheet and right heat conduction with phase change sheet, described left heat conduction with phase change sheet contacts with the left lug of each described battery cell, and described right heat conduction with phase change sheet contacts with the right lug of each described battery cell; And
Left coldplate and right coldplate, described left coldplate is located on described left heat conduction with phase change sheet, described right coldplate is located on described right heat conduction with phase change sheet, inlet and liquid outlet that each in wherein said left coldplate and described right coldplate is provided with cooling chamber and is communicated with described cooling chamber.
2. battery pack according to claim 1, is characterized in that, described left heat conduction with phase change sheet is in compressive state, and described right heat conduction with phase change sheet is in compressive state.
3. battery pack according to claim 2, is characterized in that, the decrement of described left heat conduction with phase change sheet is in the scope of 10%-20%, and the decrement of described right heat conduction with phase change sheet is in the scope of 10%-20%.
4. according to the battery pack described in any one in claim 1-3, it is characterized in that, the left lug of each described battery cell comprises left lug body and the left folding turn of bilge being connected with described left lug body, the right lug of each described battery cell comprises right lug body and the right folding turn of bilge being connected with described right lug body, wherein said left heat conduction with phase change sheet contacts with the left folding turn of bilge of the left lug of each described battery cell, and described right heat conduction with phase change sheet contacts with the right folding turn of bilge of the right lug of each described battery cell.
5. battery pack according to claim 4, it is characterized in that, the edge of the left folding turn of bilge of the left lug of each described battery cell is positioned at the inner side at the edge of described left heat conduction with phase change sheet, the inner side at the edge of described left heat conduction with phase change sheet is positioned at the inner side at the edge of the described cooling chamber of described left coldplate, the edge of the right folding turn of bilge of the right lug of each described battery cell is positioned at the inner side at the edge of described right heat conduction with phase change sheet, and the inner side at the edge of described right heat conduction with phase change sheet is positioned at the inner side at the edge of the described cooling chamber of described right coldplate.
6. battery pack according to claim 5, is characterized in that, the left lug of the battery cell of adjacent two described battery units is by being welded together, and the right lug of the battery cell of adjacent two described battery units is by being welded together.
7. according to the battery pack described in any one in claim 1-3, it is characterized in that, also comprise:
Left backplate, described left backplate is located on the left surface of described body, and wherein said left heat conduction with phase change sheet and described left coldplate are clamped between the left lug of described left backplate and each described battery cell; With
Right backplate, described right backplate is located on the right flank of described body, and wherein said right heat conduction with phase change sheet and described right coldplate are clamped between the right lug of described right backplate and each described battery cell.
8. battery pack according to claim 7, is characterized in that, each described battery unit comprises:
Support frame; With
Two battery cells, two described battery cells are located on described support frame at interval, two described battery cell serial or parallel connections.
9. a power brick, is characterized in that, comprising:
Multiple battery pack, described battery pack is according to the battery pack described in any one in claim 1-8;
Feed tube, the described left coldplate of described feed tube and each described battery pack is connected with each the inlet in described right coldplate; With
Drain pipe, the described left coldplate of described drain pipe and each described battery pack is connected with each the liquid outlet in described right coldplate.
10. a vehicle, is characterized in that, comprising:
Vehicle body; With
Power brick, described power brick is power brick according to claim 9, described power brick is located on described vehicle body.
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| CN201420140914.3U CN203839482U (en) | 2014-03-26 | 2014-03-26 | Battery module and battery pack and vehicle provided with battery module |
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| CN201420140914.3U CN203839482U (en) | 2014-03-26 | 2014-03-26 | Battery module and battery pack and vehicle provided with battery module |
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| CN203839482U true CN203839482U (en) | 2014-09-17 |
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| CN106129535A (en) * | 2016-06-27 | 2016-11-16 | 华霆（合肥）动力技术有限公司 | A kind of heating liquid cooling apparatus |
| CN106410322A (en) * | 2016-10-25 | 2017-02-15 | 惠州市亿鹏能源科技有限公司 | Battery liquid-cooling heat-dissipating device |
| CN106953135A (en) * | 2015-12-29 | 2017-07-14 | Sk新技术株式会社 | Battery module and its manufacture method |
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| CN106953135B (en) * | 2015-12-29 | 2022-03-04 | Sk新技术株式会社 | Battery module and method for manufacturing same |
| CN106953135A (en) * | 2015-12-29 | 2017-07-14 | Sk新技术株式会社 | Battery module and its manufacture method |
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| CN106129535B (en) * | 2016-06-27 | 2018-08-28 | 华霆（合肥）动力技术有限公司 | A kind of heating liquid cooling apparatus |
| CN106129535A (en) * | 2016-06-27 | 2016-11-16 | 华霆（合肥）动力技术有限公司 | A kind of heating liquid cooling apparatus |
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| CN107895823A (en) * | 2017-09-29 | 2018-04-10 | 北京北交新能科技有限公司 | A kind of lithium ion battery temprature control method |
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| CN109585972A (en) * | 2018-10-10 | 2019-04-05 | 徐州华邦塑业有限公司 | New energy car battery radiator |
| CN112687975A (en) * | 2019-10-18 | 2021-04-20 | 北京小米移动软件有限公司 | Electronic equipment and heat dissipation method |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180413 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 |