CN214013023U - Power battery pack and vehicle with same - Google Patents
Power battery pack and vehicle with same Download PDFInfo
- Publication number
- CN214013023U CN214013023U CN202023336892.2U CN202023336892U CN214013023U CN 214013023 U CN214013023 U CN 214013023U CN 202023336892 U CN202023336892 U CN 202023336892U CN 214013023 U CN214013023 U CN 214013023U
- Authority
- CN
- China
- Prior art keywords
- contactor
- power battery
- liquid cooling
- heat
- battery pack
- 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
Images
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
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a power battery package and have its vehicle, power battery package includes: a battery distribution box; the heat dissipation part comprises a contactor and a conductive bar, and the contactor is arranged in the battery distribution box; the conductive bar is electrically connected with the contactor; the liquid cooling plate is provided with a liquid cooling runner, a liquid inlet and a liquid outlet which are communicated with the liquid cooling runner; the heat conducting piece is arranged between the battery distribution box and the liquid cooling plate. According to the utility model discloses a power battery package through set up the heat conduction piece between battery block terminal and liquid cooling board, can be with the heat conduction to the liquid cooling board that the piece during operation that generates heat produced. Through adopting the liquid cooling board, the coolant liquid in the liquid cooling board realizes that the heat is outside from power battery package inside heat dissipation to power battery package through the liquid cooling runner, can improve the radiating efficiency to more be favorable to improving the heat dispersion of power battery package, improve the security.
Description
Technical Field
The utility model belongs to the technical field of the vehicle battery technique and specifically relates to a power battery package and have its vehicle is related to.
Background
In the related technology, with the increasing global energy crisis and the rising oil price, new energy automobiles are receiving social attention, and the development of new energy automobiles becomes one of the main directions of the development of automobile industry in recent years, especially electric automobiles, and power battery packs are important components of electric automobiles. The battery distribution box is used as a core load electrical component of a power battery pack, the core load electrical component needs to bear the load current of the whole pack, the load current can generate a large amount of heat, the battery pack is a fully-closed space, after heat is accumulated, the heat cannot be diffused in time, the battery distribution box can be burnt, or the whole pack is in fire, and the safety is poor.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve at least one of the technical problems existing in the related art. Therefore, an object of the utility model is to provide a power battery package, power battery package's heat dispersion is good and the security is high.
Another object of the present invention is to provide a vehicle, which includes the above power battery pack.
According to the utility model discloses power battery package of first aspect embodiment includes: a battery distribution box; the heat dissipation piece comprises a contactor and a conductive bar, and the contactor is arranged in the battery distribution box; the conductive bar is electrically connected with the contactor; the liquid cooling plate is provided with a liquid cooling runner, a liquid inlet and a liquid outlet which are communicated with the liquid cooling runner; a thermally conductive member disposed between the battery distribution box and the liquid cooling panel.
According to the utility model discloses a power battery package through set up the heat conduction piece between battery block terminal and liquid cooling board, can be with the heat conduction to the liquid cooling board that the piece during operation that generates heat produced. Through adopting the liquid cooling board, the coolant liquid in the liquid cooling board realizes that the heat is outside from power battery package inside heat dissipation to power battery package through the liquid cooling runner, can improve the radiating efficiency to more be favorable to improving the heat dispersion of power battery package, improve the security.
According to some embodiments of the invention, a hollow portion is formed on the lower case of the battery distribution box, and the projection of the conductive bar on the lower case at least partially overlaps with the hollow portion.
Further, the power battery package still includes: and the insulating part is arranged between the conductive bar and the heat conducting part and is positioned below the hollowed-out part.
According to some embodiments of the invention, the heat conducting member is a heat conducting pad or a heat conducting silica gel; the insulating piece is a blue film or a black film.
According to the utility model discloses a power battery package, electrically conductive row includes first portion of bending, first portion of bending extend along vertical direction and with the contactor electricity is connected.
Further, be formed with on the first portion of bending and run through along the thickness direction the first mounting hole that first portion of bending set up, be formed with on the contactor with first mounting hole assorted first pilot hole, electrically conductive connecting piece is suitable for to pass first mounting hole with first pilot hole, so that first portion of bending with the contactor electricity is connected.
In some embodiments of the present invention, the conductive bar further includes a first flanging portion formed at an upper end of the first bending portion and toward the contactor to extend, the first flanging portion being spaced apart from an upper surface of the contactor.
Further, the conductive bar further includes: one end of the first horizontal part is connected with the first bending part; the second bending part is connected with the other end of the first horizontal part and extends in the same direction as the first bending part; and the second flanging part is arranged at the upper end of the second bending part and extends towards the direction far away from the contactor.
In some embodiments of the present invention, the contactor is detachably connected to the lower housing and includes: the main contactor comprises a main positive contactor and a main negative contactor, and the quick charging contactor comprises a quick charging positive contactor and a quick charging negative contactor.
According to the utility model discloses vehicle of second aspect embodiment, including above-mentioned power battery package.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a part of a power battery pack according to an embodiment of the present invention.
Reference numerals:
the power battery pack 1000 is provided with a power battery pack,
the battery distribution box 100, the lower case 110, the hollowed-out portion 111,
a conductive bar 300, a first bending portion 311, a first mounting hole 3111, a first burring portion 312, a first horizontal portion 313, a second bending portion 314, a second burring portion 315,
a liquid cooling plate 400, a liquid inlet 410, a liquid outlet 420,
the heat-conductive member 500 is provided with,
the insulating member (600) is formed of a metal,
the heat sink 700.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the design scheme of non-conductive heat dissipation of electrical components in the battery distribution box in the related art, after the heat of the battery distribution box is accumulated, the high temperature of 100 plus 300 ℃ can be generated, the battery distribution box is burnt if the high temperature is low, and a battery pack can be possibly caused to have a fire, so that very serious potential safety hazard is generated.
Therefore, the utility model provides a power battery package 1000, power battery package 1000's heat dispersion is good and the security is high.
The terms related to the present application are explained below:
a battery pack: the battery pack refers to the package of the battery, and the single battery cells are integrated through the combination of series-parallel connection and internal electric components.
A battery distribution box: the integrated high-voltage device comprises a pre-charging loop and a charging and discharging loop inside, has the functions of current detection, voltage detection and the like, and is used for controlling the on-off of a power battery loop, performing system overload and short-circuit protection and the like.
Conducting bars: the copper bar or the aluminum bar is used for loading electric conduction.
An insulating part: and the high polymer material is used for insulating and isolating.
A heat conducting member: a polymeric material for conducting heat.
The following describes a power battery pack 1000 according to an embodiment of the present invention with reference to the drawings.
According to the utility model discloses power battery package 1000 of the first aspect embodiment, include: battery distribution box 100, heat sink 700 (e.g., contactor 200, conductive bar 300), liquid cooling plate 400, and thermal conductive member 500.
Specifically, referring to fig. 1, the heat sink 700 includes a contactor 200 and a conductive bar 300, the contactor 200 being disposed within the battery distribution box 100; for example, the contactor 200 may be mounted on a housing of the battery distribution box 100. The conductive bar 300 is electrically connected to the contactor 200. . For example, in fig. 1, the conductive rows 300 may include two groups, two groups of the conductive rows 300 may be spaced apart in the left-right direction shown in fig. 1, each group of the conductive rows 300 includes a plurality, and a plurality of the conductive rows 300 may be spaced apart in the front-rear direction shown in fig. 1.
The liquid cooling plate 400 is formed with a liquid cooling flow channel (not shown), and a liquid inlet 410 and a liquid outlet 420 communicating with the liquid cooling flow channel. For example, the liquid cooling plate 400 may have a liquid cooling flow channel (not shown) and an inlet 410 and an outlet 420, and the inlet 410 and the outlet 420 may be connected to the liquid cooling flow channel. From this, the coolant liquid can flow out by liquid outlet 420 again after the heat transfer in can pouring into liquid cold runner through inlet 410, can dispel the heat to power battery package 1000 through circulating cooling liquid like this to be favorable to improving power battery package 1000's heat dispersion, improve the security.
According to the power battery pack 1000 of the embodiment of the invention, by adopting the liquid cooling plate 400, the heat of the cooling liquid in the liquid cooling plate 400 is dissipated from the inside of the power battery pack 1000 to the outside of the power battery pack 1000 through the liquid cooling runner, so that the heat dissipation efficiency can be improved.
The heat conductive member 500 is provided between the battery distribution box 100 and the liquid cooling plate 400. For example, the heat conductive member 500 may be a polymer material member for conducting heat, and the heat conductive member 500 may be disposed on the upper side of the liquid cooling plate 400 shown in fig. 1 and below the battery distribution box 100. Therefore, the heat conducting piece 500 is arranged between the battery distribution box 100 and the liquid cooling plate 400, heat generated by the heating piece in the power battery pack 1000 is led out, and therefore the heat dissipation performance of the power battery pack 1000 is improved, and the safety is improved.
According to the utility model discloses a power battery package 1000 can be with the heat conduction to the liquid cooling board 400 that the during operation of the piece that generates heat production through heat-conducting piece 500.
According to the utility model discloses a power battery package 1000, through set up heat-conducting piece 500 between battery block terminal 100 and liquid cooling board 400, can be with the heat conduction to the liquid cooling board 400 that the during operation of the piece that generates heat produced. Through adopting liquid cooling board 400, the coolant liquid in liquid cooling board 400 passes through the liquid cooling runner and realizes that the heat dispels the power battery package 1000 outside from power battery package 1000 is inside, can improve the radiating efficiency to more be favorable to improving the heat dispersion of power battery package 1000, improve the security.
According to the utility model discloses power battery package 1000, through the design of battery block terminal 100 conduction heat dissipation, can effectively conduct the heat that the electric load produced, can solve because the electric that the accumulation of battery block terminal 100 generated heat causes burns out the trouble, the effectual battery package fire problem that high temperature caused of control, simultaneously can prolong battery block terminal 100's life and optimize electric lectotype (for example can suitably reduce the rank of electric etc., electric in this application mainly indicates contactor 200 and electrically conducts row 300), reduce power battery package 1000 electric cost.
According to some embodiments of the present invention, the hollow portion 111 is formed on the lower case 110 of the battery distribution box 100, and the projection of the conductive bar 300 on the lower case 110 at least partially overlaps with the hollow portion 111. For example, a hollow portion 111 may be formed on the lower casing 110, and a projection of the conductive bar 300 on the lower casing 110 at least partially overlaps the hollow portion 111, so that on one hand, the conductive bar 300 can be avoided through the hollow portion 111, and on the other hand, heat dissipation can be performed through the hollow portion 111.
Further, the power battery pack 1000 further includes an insulating member 600, and the insulating member 600 is disposed between the conductive bar 300 and the heat conducting member 500 and below the hollow portion 111. For example, the insulating member 600 may be a polymer material member for insulation, and the insulating member 600 may be disposed between the conductive bar 300 and the heat conductive member 500 shown in fig. 1, and the conductive bar 300 and the heat conductive member 500 may be electrically insulated by the insulating member 600, thereby improving safety.
According to some embodiments of the present invention, the heat conducting member 500 may be a heat conducting pad or a heat conducting silica gel; the insulator 600 may be a blue film or a black film. However, the present invention is not limited thereto.
Referring to fig. 1, according to the power battery pack 1000 of the present invention, the conductive bar 300 includes a first bending portion 311, and the first bending portion 311 extends along a vertical direction and is electrically connected with the contactor 200. For example, the conductive bar 300 may include a first bending portion 311, the first bending portion 311 extends in a vertical direction, and the first bending portion 311 is electrically connected with the contactor 200, and the first bending portion 311 may be in contact with the contactor 200 or spaced apart by a predetermined distance.
Further, referring to fig. 1, a first mounting hole 3111 is formed through the first bending portion 311 in a thickness direction, a first fitting hole (not shown) matching the first mounting hole 3111 is formed in the contactor 200, and a conductive connecting member (not shown) such as a conductive bolt is adapted to pass through the first mounting hole 3111 and the first fitting hole to electrically connect the first bending portion 3111 and the contactor 200.
For example, a first mounting hole 3111 is formed at the first bending portion 311, the first mounting hole 3111 may be disposed through the first bending portion 311 in a thickness direction, a first fitting hole matched with the first mounting hole 3111 is formed at the contactor 200, and a conductive connecting member such as a conductive bolt or the like is adapted to pass through the first mounting hole 3111 and the first fitting hole, so that electrical connection between the first bending portion 3111 and the contactor 200 may be achieved.
In some embodiments of the present invention, the conductive bar 300 further includes a first flanging part 312, the first flanging part 312 is formed at an upper end of the first bending part 311 and extends toward the contactor 200, and the first flanging part 312 is spaced apart from an upper surface of the contactor 200.
For example, the conductive bar 300 may further include a first burring part 312, the first burring part 312 is formed at an upper end of the first bending part 311, and the first burring part 312 may extend toward the contactor 200, e.g., the first burring part 312 may extend in a left-right direction shown in fig. 1, the first burring part 312 on the right side may extend in a left direction, and the first burring part 312 on the left side may extend in a right direction.
Preferably, the first burring part 312 may be disposed to be spaced apart from the upper surface of the contactor 200. Therefore, the first flanging part 312 is spaced apart from the upper surface of the contactor 200, so that heat generated by the contactor 200 can be timely conducted out through the first flanging part 312, and the improvement of the heat dissipation performance of the power battery pack 1000 is facilitated.
Of course, in some alternative embodiments of the present invention, the first turn-up portion 312 may contact the upper surface of the contactor 200.
Further, in conjunction with fig. 1, the conductive bar 300 further includes: a first horizontal portion 313, a second bent portion 314, and a second flanging portion 315.
Specifically, one end of the first horizontal portion 313 is connected to the first bent portion 311; the second bending portion 314 is connected to the other end of the first horizontal portion 313 and extends in the same direction as the first bending portion 311; the second burring part 315 is disposed at the upper end of the second bending part 314 and extends in a direction away from the contact 200, and a second mounting hole 3151 is formed in the second burring part 315.
For example, the left end of the first horizontal portion 313 shown in fig. 1 is connected to the first bent portion 311; the second bending portion 314 is connected to a right end of the first horizontal portion 313, and the second bending portion 314 extends in the same direction as the first bending portion 311, for example, both the second bending portion 314 and the first bending portion 311 may extend in the up-down direction shown in fig. 1; the second burring part 315 is provided at an upper end of the second bending part 314, and the second burring part 315 extends in a direction away from the contactor 200, the second burring part 315 may extend in a left-right direction as viewed in fig. 1, the second burring part 315 located on the left side may extend in a left direction, the second burring part 315 located on the right side may extend in a right direction, and the second burring part 315 is formed with a second mounting hole 3151.
In some embodiments of the present invention, the conductive bar 300 is configured as a bent integrally formed piece. Therefore, the conductive bar 300 is formed into a bent integrally-formed part, which is beneficial to simplifying the processing process and reducing the cost.
According to the utility model discloses power battery package 1000 through optimizing the bending structure of leading electrical drainage 300, and the guide heat distributes upwards, divides away and leads a part of heat that electrical drainage 300 produced, further improves the radiating efficiency.
In some embodiments of the present invention, the contactor 200 is detachably connected to the lower housing 110, and the contactor 200 includes: a main contactor 210 and a quick charge contactor 220.
The main contactor 210 comprises a main positive contactor 211 and a main negative contactor 212, and the quick charging contactor 220 comprises a quick charging positive contactor 221 and a quick charging negative contactor 222; the main positive contactor 211, the main negative contactor 212, the quick charging positive contactor 221 and the quick charging negative contactor 222 are respectively bolted to the lower housing 110. Thereby, the assembly and disassembly between the contactor 200 and the lower housing 110 is facilitated.
According to the power battery pack 1000 of the embodiment of the present invention, the heat dissipation efficiency of the conductive bar 300 can be improved by designing the structure of the conductive bar 300, the heat generated by the conductive bar 300 and the contactor 200 can be discharged out of the power battery pack 1000 by the liquid cooling heat conduction design, the heat generating part of the main contactor 210 in the battery distribution box 100 is first coated or pasted with a heat conducting material, the conductive bar 300 (such as a copper bar or an aluminum bar) is electrically connected and insulated and heat conducting treatment is performed with the liquid cooling plate 400, then the battery distribution box 100 is mounted on the liquid cooling plate 400, the heat conducting member 500 is tightly attached to the liquid cooling plate 400, the heat conducting and dissipating function is realized by the liquid cooling plate 400, the accumulated heat is discharged out of the power battery pack 1000, the potential safety hazard caused by the high temperature of the battery distribution box 100 is avoided, after the temperature is reduced, the service life of the battery distribution box 100 can be prolonged, the electrical selection can be optimized, and the safety level of the power battery pack 1000 is improved, the cost of the electric parts of the power battery pack 1000 is reduced, and the safety of the power battery pack 1000 is effectively guaranteed.
The following describes the operation of the power battery pack 1000 according to an embodiment of the present invention with reference to the drawings.
First, the main positive contactor 211, the quick charge positive contactor 221, the main negative contactor 212, and the quick charge negative contactor 222 are fixed to the lower case 110 of the battery distribution box 100 by bolts. Next, the conductive bar 300 is mounted to the main positive contactor 211, the quick charge positive contactor 221, the main negative contactor 212, and the quick charge negative contactor 222, respectively. Finally, the heat conducting member 500 and the insulating member 600 are sequentially covered and mounted on the liquid cooling plate 400 from bottom to top, a liquid cooling runner is contained in the liquid cooling plate 400, cooling liquid is arranged in the liquid cooling runner, and the lower shell 110 of the assembled battery distribution box 100 is mounted on the liquid cooling plate 400.
When the power battery pack 1000 performs large-current discharging and rapid charging, the conductive bar 400, the main positive contactor 211, the rapid charging positive contactor 221, the main negative contactor 212 and the rapid charging negative contactor 222 generate large heat, the conductive bar 300 is insulated and isolated through the insulating member 600 (such as a blue film, a black film and the like), the heat is conducted to the cooling liquid in the liquid cooling plate 400 through the heat conducting member 500 (such as a heat conducting pad, heat conducting silica gel and the like), and the cooling liquid realizes the function of dissipating the heat from the inside of the power battery pack 1000 to the outside of the power battery pack 1000 through the liquid cooling flow channel.
According to the utility model discloses power battery package 1000, through optimizing the structure of leading electrical drainage 300, the partial heat conduction that makes contactor 200 produce dispels the heat to leading electrical drainage 300 upper end, the radiating efficiency is improved, the maximum temperature of power device in the battery block terminal 100 has effectively been controlled (steerable within 80 ℃), because the ablation that the power device generates heat and causes in the battery block terminal 100, the trouble of starting a fire has been reduced, the power device security of power battery package 1000 has been improved, the effectual safety that ensures power battery package 1000.
According to the utility model discloses power battery package 1000 can effectively avoid the temperature rise state of power device in the battery block terminal 100, has reduced because the ablation that the power device generates heat and causes in the battery block terminal 100, the trouble of catching fire, has improved the battery block terminal 100 safety design level in the power battery package 1000, the effectual personal safety that has ensured.
Specific embodiments of the power battery pack 1000 according to the present invention will be described below with reference to the drawings.
According to the utility model discloses power battery package 1000 of the first aspect embodiment, include: battery distribution box 100, contactor 200, conductive bar 300, liquid cooling plate 400, heat conducting member 500, and insulating member 600.
Specifically, the contactor 200 is disposed within the battery distribution box 100, and the contactor 200 is connected to the lower case 110 of the battery distribution box 100; for example, the contactor 200 may be mounted on the lower housing 110 of the battery distribution box 100. The conductive bar 300 is electrically connected to the contactor 200.
A hollow portion 111 is formed on the lower case 110 of the battery distribution box 100, and a projection of the conductive bar 300 on the lower case 110 at least partially overlaps the hollow portion 111. For example, a hollow portion 111 may be formed on the lower casing 110, and a projection of the conductive bar 300 on the lower casing 110 at least partially overlaps the hollow portion 111, so that on one hand, the conductive bar 300 can be avoided through the hollow portion 111, and on the other hand, heat dissipation can be performed through the hollow portion 111.
For example, in fig. 1, the conductive rows 300 may include two groups, two groups of the conductive rows 300 may be spaced apart in the left-right direction shown in fig. 1, each group of the conductive rows 300 includes a plurality, and a plurality of the conductive rows 300 may be spaced apart in the front-rear direction shown in fig. 1.
The liquid cooling plate 400 is formed with a liquid cooling flow channel (not shown), and a liquid inlet 410 and a liquid outlet 420 communicating with the liquid cooling flow channel. For example, the liquid cooling plate 400 may have a liquid cooling flow channel (not shown) and an inlet 410 and an outlet 420, and the inlet 410 and the outlet 420 may be connected to the liquid cooling flow channel. From this, the coolant liquid can flow out by liquid outlet 420 again after the heat transfer in can pouring into liquid cold runner through inlet 410, can dispel the heat to power battery package 1000 through circulating cooling liquid like this to be favorable to improving power battery package 1000's heat dispersion, improve the security.
According to the power battery pack 1000 of the embodiment of the invention, by adopting the liquid cooling plate 400, the heat of the cooling liquid in the liquid cooling plate 400 is dissipated from the inside of the power battery pack 1000 to the outside of the power battery pack 1000 through the liquid cooling runner, so that the heat dissipation efficiency can be improved.
The heat conductive member 500 is provided between the battery distribution box 100 and the liquid cooling plate 400. For example, the heat conductive member 500 may be a polymer material member for conducting heat, and the heat conductive member 500 may be disposed on the upper side of the liquid cooling plate 400 shown in fig. 1 and below the battery distribution box 100. Therefore, the heat conducting piece 500 is arranged between the battery distribution box 100 and the liquid cooling plate 400, heat generated by the heating piece in the power battery pack 1000 is led out, and therefore the heat dissipation performance of the power battery pack 1000 is improved, and the safety is improved.
According to the utility model discloses a power battery package 1000 can be with the heat conduction to the liquid cooling board 400 that the during operation of the piece that generates heat production through heat-conducting piece 500.
According to the utility model discloses a power battery package 1000 still includes insulating part 600, and insulating part 600 establishes between electrically conductive row 300 and heat-conducting member 500 and is located fretwork portion 111 below. For example, the insulating member 600 may be a polymer material member for insulation, and the insulating member 600 may be disposed between the conductive bar 300 and the heat conductive member 500 shown in fig. 1, and the conductive bar 300 and the heat conductive member 500 may be electrically insulated by the insulating member 600, thereby improving safety.
According to the utility model discloses a power battery package 1000, through set up heat-conducting piece 500 between battery block terminal 100 and liquid cooling board 400, can be with the heat conduction to the liquid cooling board 400 that the during operation of the piece that generates heat produced. Through adopting liquid cooling board 400, the coolant liquid in liquid cooling board 400 passes through the liquid cooling runner and realizes that the heat dispels the power battery package 1000 outside from power battery package 1000 is inside, can improve the radiating efficiency to more be favorable to improving the heat dispersion of power battery package 1000, improve the security.
According to the utility model discloses power battery package 1000, through the design of battery block terminal 100 conduction heat dissipation, can effectively conduct the heat that the electric load produced, can solve because the electric that the accumulation of battery block terminal 100 generated heat causes burns out the trouble, the effectual battery package fire problem that high temperature caused of control, simultaneously can prolong battery block terminal 100's life and optimize electric lectotype (for example can suitably reduce the rank of electric etc., electric in this application mainly indicates contactor 200 and electrically conducts row 300), reduce power battery package 1000 electric cost.
Referring to fig. 1, according to the power battery pack 1000 of the present invention, the conductive bar 300 includes a first bending portion 311, and the first bending portion 311 extends along a vertical direction and is electrically connected with the contactor 200. For example, the conductive bar 300 may include a first bending portion 311, the first bending portion 311 extends in a vertical direction, and the first bending portion 311 is electrically connected with the contactor 200, and the first bending portion 311 may be in contact with the contactor 200 or spaced apart by a predetermined distance.
Further, referring to fig. 1, a first mounting hole 3111 is formed through the first bending portion 311 in the thickness direction, a first fitting hole (not shown) matching the first mounting hole 3111 is formed in the contactor 200, and a conductive bolt (not shown) is adapted to pass through the first mounting hole 3111 and the first fitting hole, so that the first bending portion 3111 is electrically connected to the contactor 200.
For example, the first bending portion 311 is formed with a first mounting hole 3111, the first mounting hole 3111 may be disposed through the first bending portion 311 in a thickness direction, the contactor 200 is formed with a first fitting hole matching the first mounting hole 3111, and a conductive bolt (not shown) is adapted to pass through the first mounting hole 3111 and the first fitting hole, so that electrical connection between the first bending portion 3111 and the contactor 200 may be achieved.
In some embodiments of the present invention, the conductive bar 300 further includes a first flanging part 312, the first flanging part 312 is formed at an upper end of the first bending part 311 and extends toward the contactor 200, and the first flanging part 312 is spaced apart from an upper surface of the contactor 200.
For example, the conductive bar 300 may further include a first burring part 312, the first burring part 312 is formed at an upper end of the first bending part 311, and the first burring part 312 may extend toward the contactor 200, e.g., the first burring part 312 may extend in a left-right direction shown in fig. 1, the first burring part 312 on the right side may extend in a left direction, and the first burring part 312 on the left side may extend in a right direction.
Preferably, the first burring part 312 may be disposed to be spaced apart from the upper surface of the contactor 200. Therefore, the first flanging part 312 is spaced apart from the upper surface of the contactor 200, so that heat generated by the contactor 200 can be timely conducted out through the first flanging part 312, and the improvement of the heat dissipation performance of the power battery pack 1000 is facilitated.
Of course, in some alternative embodiments of the present invention, the first turn-up portion 312 may contact the upper surface of the contactor 200.
Further, in conjunction with fig. 1, the conductive bar 300 further includes: a first horizontal portion 313, a second bent portion 314, and a second flanging portion 315.
Specifically, one end of the first horizontal portion 313 is connected to the first bent portion 311; the second bending portion 314 is connected to the other end of the first horizontal portion 313 and extends in the same direction as the first bending portion 311; the second burring part 315 is disposed at the upper end of the second bending part 314 and extends in a direction away from the contact 200, and a second mounting hole 3151 is formed in the second burring part 315.
For example, the left end of the first horizontal portion 313 shown in fig. 1 is connected to the first bent portion 311; the second bending portion 314 is connected to a right end of the first horizontal portion 313, and the second bending portion 314 extends in the same direction as the first bending portion 311, for example, both the second bending portion 314 and the first bending portion 311 may extend in the up-down direction shown in fig. 1; the second burring part 315 is provided at an upper end of the second bending part 314, and the second burring part 315 extends in a direction away from the contactor 200, the second burring part 315 may extend in a left-right direction as viewed in fig. 1, the second burring part 315 located on the left side may extend in a left direction, the second burring part 315 located on the right side may extend in a right direction, and the second burring part 315 is formed with a second mounting hole 3151.
In some embodiments of the present invention, the conductive bar 300 is configured as a bent integrally formed piece. Therefore, the conductive bar 300 is formed into a bent integrally-formed part, which is beneficial to simplifying the processing process and reducing the cost.
According to the utility model discloses power battery package 1000 through optimizing the bending structure of leading electrical drainage 300, and the guide heat distributes upwards, divides away and leads a part of heat that electrical drainage 300 produced, further improves the radiating efficiency.
According to some embodiments of the present invention, the heat conducting member 500 may be a heat conducting pad or a heat conducting silica gel; the insulator 600 may be a blue film or a black film. However, the present invention is not limited thereto.
In some embodiments of the present invention, the contactor 200 is detachably connected to the lower housing 110, and the contactor 200 includes: a main contactor 210 and a quick charge contactor 220.
The main contactor 210 comprises a main positive contactor 211 and a main negative contactor 212, and the quick charging contactor 220 comprises a quick charging positive contactor 221 and a quick charging negative contactor 222; the main positive contactor 211, the main negative contactor 212, the quick charging positive contactor 221 and the quick charging negative contactor 222 are respectively bolted to the lower housing 110. Thereby, the assembly and disassembly between the contactor 200 and the lower housing 110 is facilitated.
According to the power battery pack 1000 of the embodiment of the present invention, the heat dissipation efficiency of the conductive bar 300 can be improved by designing the structure of the conductive bar, the heat of the conductive bar 300 and the contactor 200 can be discharged to the outside of the power battery pack 1000 by the liquid cooling heat conduction design, at first, the heat generating part of the main contactor 210 in the battery distribution box 100 is coated or pasted with the heat conducting material, the conductive bar 300 (such as copper bar or aluminum bar) is electrically connected and insulated and heat conducting treatment is performed with the liquid cooling plate 400, then the battery distribution box 100 is installed on the liquid cooling plate 400, the heat conducting member 500 is tightly attached to the liquid cooling plate 400, the heat dissipation function is realized by the liquid cooling plate 400, the accumulated heat is discharged to the outside of the power battery pack 1000, the potential safety hazard caused by the high temperature of the battery distribution box 100 is avoided, after the temperature is reduced, the service life of the battery distribution box 100 can be prolonged, the type selection of the electric element is optimized, and the safety level of the power battery pack 1000 is improved, the cost of the electric parts of the power battery pack 1000 is reduced, and the safety of the power battery pack 1000 is effectively guaranteed.
According to the utility model discloses vehicle of second aspect embodiment, including above-mentioned power battery package 1000. Therefore, by providing the power battery pack 1000 according to the first embodiment on the vehicle, the heat dissipation performance of the vehicle can be improved, and the use safety can be improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A power battery pack (1000), comprising:
a battery distribution box (100);
a heat sink (700), the heat sink (700) comprising a contactor (200) and a conductive bar (300), the contactor (200) being disposed within the battery distribution box (100); the conductive bar (300) is electrically connected with the contactor (200);
the liquid cooling plate (400) is provided with a liquid cooling runner, a liquid inlet (410) and a liquid outlet (420) which are communicated with the liquid cooling runner;
a thermally conductive member (500), the thermally conductive member (500) being disposed between the battery distribution box (100) and the liquid cooling plate (400).
2. The power battery pack (1000) according to claim 1, wherein a hollowed-out portion (111) is formed on the lower case (110) of the battery distribution box (100), and a projection of the conductive bar (300) on the lower case (110) at least partially overlaps the hollowed-out portion (111).
3. The power battery pack (1000) of claim 2, further comprising:
the insulating piece (600) is arranged between the conductive bar (300) and the heat conducting piece (500) and is positioned below the hollow part (111).
4. The power battery pack (1000) of claim 3, wherein the heat conducting member (500) is a heat conducting pad or a heat conducting silicone; the insulating member (600) is a blue film or a black film.
5. The power battery pack (1000) according to any of claims 1-4, wherein the conductive bar (300) comprises a first bend (311), the first bend (311) extending in a vertical direction and being electrically connected with the contactor (200).
6. The power battery pack (1000) according to claim 5, wherein the first bending portion (311) is formed with a first mounting hole (3111) disposed through the first bending portion (311) in a thickness direction, the contactor (200) is formed with a first fitting hole matching the first mounting hole (3111), and a conductive connecting member is adapted to pass through the first mounting hole (3111) and the first fitting hole to electrically connect the first bending portion (311) with the contactor (200).
7. The power battery pack (1000) of claim 5, wherein the conductive bar (300) further comprises a first flanging portion (312), the first flanging portion (312) being formed at an upper end of the first bending portion (311) and extending toward the contactor (200), the first flanging portion (312) being disposed spaced apart from an upper surface of the contactor (200).
8. The power battery pack (1000) of claim 5, wherein the conductive bar (300) further comprises:
a first horizontal portion (313), one end of the first horizontal portion (313) being connected to the first bent portion (311);
a second bending part (314), wherein the second bending part (314) is connected with the other end of the first horizontal part (313) and extends in the same direction as the first bending part (311);
and the second flanging part (315) is arranged at the upper end of the second bending part (314) and extends towards the direction far away from the contactor (200).
9. The power battery pack (1000) of claim 1, wherein the contactor (200) is removably connected to the lower housing (110) of the battery distribution box (100) and comprises: main contactor (210) and fill contactor (220) soon, main contactor (210) are including main positive contactor (211) and main negative contactor (212), fill contactor (220) including filling soon positive contactor (221) and filling soon negative contactor (222).
10. A vehicle, characterized by comprising a power battery pack (1000) according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336892.2U CN214013023U (en) | 2020-12-30 | 2020-12-30 | Power battery pack and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023336892.2U CN214013023U (en) | 2020-12-30 | 2020-12-30 | Power battery pack and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214013023U true CN214013023U (en) | 2021-08-20 |
Family
ID=77294117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023336892.2U Active CN214013023U (en) | 2020-12-30 | 2020-12-30 | Power battery pack and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214013023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114360965A (en) * | 2022-01-28 | 2022-04-15 | 广州小鹏汽车科技有限公司 | High-voltage distribution box and electric automobile |
| WO2023087643A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery and electrical device |
-
2020
- 2020-12-30 CN CN202023336892.2U patent/CN214013023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087643A1 (en) * | 2021-11-22 | 2023-05-25 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery and electrical device |
| CN114360965A (en) * | 2022-01-28 | 2022-04-15 | 广州小鹏汽车科技有限公司 | High-voltage distribution box and electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106972128B (en) | Battery module | |
| CN214013023U (en) | Power battery pack and vehicle with same | |
| CN114497825B (en) | Battery cell assembly and battery device | |
| CN106058371B (en) | A kind of new-type external water cooling electrokinetic cell system and its control method based on heat conductive silica gel | |
| CN212587616U (en) | High-voltage box, battery package and electric automobile | |
| CN102651463A (en) | Totally-enclosed battery box | |
| CN113594604A (en) | Liquid cooling quick change battery module of CTR energy storage system | |
| JP2012190716A (en) | Battery pack | |
| CN210607368U (en) | Constant temperature battery module | |
| CN212967963U (en) | Battery pack circuit breaking device, battery pack and vehicle | |
| CN219698228U (en) | BMS and BDU mounting structure and power battery pack | |
| CN108461681A (en) | A kind of electric vehicle liquid-cooled power battery pack | |
| CN216930690U (en) | Distribution box of electric automobile and battery pack applied to distribution box | |
| CN217589068U (en) | Battery protection box, battery package and electric automobile | |
| CN210168381U (en) | High-voltage accessory device and electric vehicle | |
| CN221176357U (en) | Automobile battery pack heat dissipation system and automobile | |
| CN219457938U (en) | High-voltage distribution box and battery pack | |
| CN218827520U (en) | Heat dissipation lithium ion battery module | |
| CN215644887U (en) | Battery module and vehicle | |
| CN217468300U (en) | Contactor device, battery pack and power device | |
| CN210129759U (en) | Direct current fills converter soon | |
| CN217387886U (en) | Power distribution device, battery pack and vehicle | |
| CN218301982U (en) | Electronic speed regulator and surfboard with same | |
| CN216354381U (en) | Battery management system and shell structure thereof | |
| CN218005011U (en) | Battery pack and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: SVOLT Energy Technology Co.,Ltd. |