CN218498177U - Heat exchange piece, battery package and consumer - Google Patents

Heat exchange piece, battery package and consumer Download PDF

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Publication number
CN218498177U
CN218498177U CN202222715262.9U CN202222715262U CN218498177U CN 218498177 U CN218498177 U CN 218498177U CN 202222715262 U CN202222715262 U CN 202222715262U CN 218498177 U CN218498177 U CN 218498177U
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section
flow
heat exchange
liquid inlet
inlet end
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CN202222715262.9U
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Chinese (zh)
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徐晓英
邱志军
巨彦铭
徐中领
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Xinwangda Power Technology Co ltd
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Sunwoda Electric Vehicle Battery Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a heat transfer piece, battery package and consumer, heat transfer piece includes: a body; the flow channel is used for containing a heat exchange medium and comprises a liquid inlet end, a liquid outlet end and a circulation section, the liquid inlet end is communicated with the liquid outlet end through the circulation section, the liquid inlet end and the liquid outlet end respectively penetrate through the body, the circulation section is arranged in the body, and a turbulence protrusion is arranged on the inner wall of the circulation section; the battery pack comprises the heat exchange piece; the electric equipment comprises the battery pack. The utility model provides a heat transfer piece, battery package and consumer have solved the low problem of current electric core heat management part heat exchange efficiency.

Description

Heat exchange piece, battery package and consumer
Technical Field
The utility model relates to a new forms of energy technical field, concretely relates to heat transfer piece, battery package and consumer.
Background
With the continuous development of the new energy electric automobile industry, the power battery as an important energy supply component thereof has become one of the main directions of the power development of electric automobiles at home and abroad at present. The power battery is influenced by the ambient temperature and self heat production in the actual use process, the temperature is a main influence factor of the performance, safety and reliability of the power battery, the service life and the running performance of the power battery are critical, the power battery is ensured to be in a proper working temperature range, and the reasonable battery temperature difference is maintained to be necessary.
Liquid cooling thermal management is as one of current power battery group thermal management strategy, generally realizes the heat transfer through the mode of liquid convection, takes the heat that the battery produced to external circulation system through inside fluid medium. However, the existing liquid cooling heat management still has the problem of low heat exchange efficiency.
Therefore, reasonably designed liquid cooling thermal management is a pressing need for power battery pack temperature management.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat transfer piece, battery package and consumer to solve the problem that current electric core heat management part heat exchange efficiency is low.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a heat exchange element, comprising:
a body; and
the runner for the holding heat transfer medium, the runner includes the feed liquor end, goes out liquid end and circulation section, the feed liquor end through the circulation section with go out the liquid end and communicate, the feed liquor end with it runs through respectively to go out the liquid end the body, the circulation section is located this is internal, it is protruding to be equipped with the vortex on the inner wall of circulation section.
In some embodiments of the present invention, the cross-sectional shape of the turbulence protrusions includes at least one of a rectangle, a triangle, a trapezoid, and a semicircle.
The utility model discloses an in some embodiments, the vortex is protruding to be in along heat transfer medium's flow direction spiral setting or sharp setting on the inner wall of circulation section.
The utility model discloses an in some embodiments, the vortex arch is equipped with a plurality ofly, and is a plurality of the vortex is protruding to be in two liang of intervals set up on the inner wall of circulation section.
The utility model discloses an in some embodiments, the circulation section includes first circulation section, two the vortex is protruding to be located on the inner wall of first circulation section and the position is corresponding, two the bellied interval H of vortex with the bore D of first circulation section 1 Satisfies the following conditions: h is less than or equal to 0.5D 1
In some embodiments of the present invention, the circulation section includes a first circulation section, one end of the first circulation section is communicated with the liquid inlet end, a partition plate connected to an inner wall of the first circulation section is disposed in the first circulation section, the first circulation section is separated by the partition plate into a first branch and a second branch which are connected in parallel, and the first branch is located above the second branch;
the vortex is protruding to be located the baffle towards the side of second branch road with between the inner wall of first circulation section, just the vortex protruding with the baffle is close to the position of feed liquor end is corresponding, the vortex protruding with the interval L of baffle with second branch road bore D 2 Satisfies (c): l < D 2
In some embodiments of the present invention, the circulation section is in the shape of "Contraband", and the circulation section includes a first circulation section, a second circulation section and a third circulation section;
the first flow-through section is in communication with the second flow-through section, and the second flow-through section is in communication with the third flow-through section.
In some embodiments of the present invention, an end of the first flow-through section remote from the second flow-through section communicates with the liquid inlet end;
one end of the third circulation section, which is far away from the second circulation section, is communicated with the liquid outlet end;
the liquid inlet end and the liquid outlet end are arranged on the same side of the body.
In some embodiments of the present invention, the body comprises a first side wall and a second side wall which are oppositely arranged;
the liquid inlet ends comprise a first liquid inlet end and a second liquid inlet end, the first liquid inlet end and the second liquid inlet end are arranged on the first side wall at intervals, the first liquid inlet end is communicated with one end, far away from the second circulation section, of the first circulation section, and the second liquid inlet end is communicated with one end, far away from the second circulation section, of the third circulation section;
the liquid outlet end is arranged on the second side wall and communicated with one end, far away from the first circulation section, of the second circulation section, and the liquid outlet end is communicated with one end, far away from the second liquid inlet end, of the third circulation section.
In order to achieve the above purpose, the utility model also provides the following technical scheme:
a battery pack comprises the heat exchange member.
Compared with the prior art, the technical scheme of the utility model following beneficial effect has:
1. the utility model provides a be equipped with vortex portion in heat transfer piece's the runner, this vortex portion can force the torrent more complicated of the liquid stream emergence of the heat transfer medium in the runner to also increased the area of contact between heat transfer medium and the heat transfer piece, and then improved heat transfer medium's heat exchange efficiency, thereby promoted heat transfer piece to the heat transfer effect of adjacent electric core, for having adopted the battery package and the consumer of heat transfer piece provide better heat transfer accuse temperature effect, have guaranteed the performance of electric core and battery package to the holistic in service life of battery and product has been prolonged.
2. When the temperature of the electric core is higher, the low-temperature heat exchange medium can be introduced into the flow channel in the heat exchange piece, the temperature of the electric core is reduced after the low-temperature heat exchange medium exchanges heat with the electric core, and the electric core is enabled to maintain better temperature uniformity; when the ambient temperature of the operating mode that electric core located is lower, perhaps need certain preheating temperature when electric core just starts in order to guarantee its stable performance, this moment the utility model provides a can let in the relatively higher heat transfer medium of temperature in the runner in the heat transfer piece, make electric core temperature suitably rise after warm heat transfer medium and the electric core heat transfer to make electric core maintain better temperature homogeneity, reduce electric core and analyse lithium risk, prolong electric core life-span and improve the security.
3. Compare in conventional electric core bottom liquid cooling design, the utility model discloses set up the laminating of heat transfer piece on square electric core thickness direction's big face, shortened the higher electric connector's of heat production heat dissipation route in the electric core, further reduced the difference in temperature between each local area on the electric core, improved the temperature homogeneity of electric core to guarantee the performance of electric core and prolong the service life of electric core.
4. The utility model provides a heat transfer piece is equipped with the branch road runner group that has the parallelly connected setting of many branch road runners in one side that is close to the electric connector on electric core, increases runner quantity through the one end that is close to electric connector at heat transfer piece promptly to the reinforcing is equipped with the heat exchange efficiency of the one end of electric connector to electric core.
5. The utility model discloses set up an arch between feed liquor end and branch road runner, this protruding design can disturb heat transfer medium's mobile state, can solve heat transfer medium fluid and tend to flow to the branch road runner that is located the vertical direction lower side under the action of gravity and make the less problem of heat transfer medium flow in the branch road runner of top, improve the heat transfer accuse temperature effect of heat transfer piece to electric core.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat exchange member according to a first embodiment of the present invention;
FIG. 2 is a cross-sectional view of the heat exchange element of FIG. 1;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
fig. 4 is a schematic structural view of a heat exchange member according to a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of the heat exchange element of FIG. 4;
FIG. 6 is an enlarged partial view of the area B in FIG. 5;
fig. 7 is a partially enlarged sectional view of a heat exchange member according to a third embodiment of the present invention;
fig. 8 is a schematic structural view of a cross section of a heat exchange member according to a fourth embodiment of the present invention;
fig. 9 is a schematic structural view of a battery pack according to a fifth embodiment of the present invention, as viewed in the thickness direction thereof.
The main reference numbers in the drawings of the specification of the present invention are as follows:
1-a heat exchange member; 11-a body; 111-a first side wall; 112-a second side wall; 12-a flow channel; 121-liquid inlet end; 1211-a first inlet end; 1212-a second inlet end; 122-liquid outlet end; 123-flow-through section; 1231-a first flow-through section; 12311 — first branch; 12312-second branch; 1232-a second flow-through section; 1233-a third flow-through segment; 13-burbling protrusion; 14-a separator;
2-electric core; 21-an electrical connection;
3-a thermal insulation;
4-heat conducting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
The technical scheme of the utility model a heat transfer piece, battery package and consumer are provided, the following detailed description that carries on respectively. It should be noted that the following description of the embodiments is not intended to limit the preferred sequence of the embodiments of the present invention. In the following embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to related descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
Example 1
As shown in fig. 1 and 2, a heat exchange member 1 includes: a body 11; and a flow channel 12 for accommodating a heat exchange medium, the flow channel 12 comprises a liquid inlet end 121, a liquid outlet end 122 and a circulation section 123, the liquid inlet end 121 is communicated with the liquid outlet end 122 through the body 11, the circulation section 123 is arranged in the body 11, and a turbulent flow protrusion 13 is arranged on the inner wall of the circulation section 123. This vortex is protruding 13 can force heat transfer medium's in the runner 12 liquid stream takes place more complicated torrent, takes place abundant fusion, interchange and mix between each part in the messenger heat transfer medium to also increased heat transfer medium with area of contact between the heat transfer piece 1, and then improved heat transfer medium's heat exchange efficiency, thereby promote heat transfer piece 1 is to the heat transfer effect of adjacent electric core, for having adopted the battery package and the consumer of heat transfer piece 1 provide better heat transfer accuse temperature effect, have guaranteed the performance of electric core and battery package, and have prolonged the holistic in service life of battery and product.
The utility model discloses an in some embodiments, the protruding 13 cross sectional shape of vortex includes at least one item in rectangle, triangle-shaped, trapezoidal and the semi-circle, and the protruding 13 of vortex of specifically adopting which kind of shape can be selected and adjusted according to actual conditions.
In some embodiments of the utility model, the vortex is protruding 13 and is in along heat transfer medium's flow direction spiral setting or sharp setting on the inner wall of circulation section 123.
As shown in fig. 2 and 4, in some embodiments of the utility model, the protruding 13 of vortex is equipped with a plurality ofly, and is a plurality of the protruding 13 of vortex sets up two liang of intervals on the inner wall of circulation section 123, and its disturbance to heat transfer medium liquid flow state can further be reinforceed to each protruding 13 of vortex, strengthens intensive mixing between each local region's the heat transfer medium, avoids the temperature of local region's heat transfer medium higher or lower to strengthen the heat exchange efficiency between heat transfer medium and the body 11, and then strengthen the heat transfer effect of adjusting the temperature of piece 1 to electric core.
The utility model discloses an in some embodiments, circulation section 123 includes first circulation section 1231, two the protruding 13 of vortex is located on the inner wall of first circulation section 1231 and the position is corresponding, two the protruding 13 of vortex interval H with first circulation section 1231's bore D 1 Satisfies the following conditions: h is less than or equal to 0.5D 1 So as to ensure smooth flow of the heat exchange medium and good heat exchange effect, and keep smooth circulation of the heat exchange medium without blocking.
As shown in fig. 4, in some embodiments of the present invention, the flow-through section 123 includes a first flow-through section 1231, one end of the first flow-through section 1231 is communicated with the liquid inlet end 121, a partition 14 connected to an inner wall of the first flow-through section 1231 is disposed in the first flow-through section 1231, the first flow-through section 1231 is divided by the partition 14 into a first branch 12311 and a second branch 12312 in parallel, and the first branch 12311 is located above the second branch 12312; the vortex is protruding 13 to be located the baffle 14 towards the side of second branch 12312 with between the inner wall of first circulation section 1231, just the vortex is protruding 13 with the baffle 14 is close to the position of feed liquor end 121 is corresponding, the vortex protruding 13 with the interval L of baffle 14 with second branch 12312 bore D 2 Satisfies the following conditions: l < D 2 . When heat transfer member 1 was vertically placed in order to laminate the big face of square electric core, heat transfer medium tended to flow into second branch road 12312 under the action of gravity in, the hole appeared perhaps less even in heat transfer medium's the volume in the first branch road 12311 of top this moment, and this situation can weaken heat transfer member 1 to the heat transfer accuse temperature effect of electric core, consequently the utility model discloses an above-mentioned vortex is protruding 13, forces in the first branch road 12311 of heat transfer medium top to guarantee to possess sufficient heat transfer medium in the first branch road 12311, and then guarantee to heat transfer member 1 to the heat transfer effect of electric core.
As shown in fig. 4, in some embodiments of the present invention, the flow-through section 123 is in the shape of "Contraband", and the flow-through section 123 includes a first flow-through section 1231, a second flow-through section 1232, and a third flow-through section 1233; the first flow-through section 1231 is in communication with the second flow-through section 1232 and the second flow-through section 1232 is in communication with the third flow-through section 1233.
As shown in fig. 2 and 4, in some embodiments of the present invention, an end of the first flow-through section 1231 away from the second flow-through section 1232 is in communication with the liquid inlet 121; the end of the third flow-through section 1233 distal to the second flow-through section 1232 is in communication with the liquid outlet end 122; the liquid inlet end 121 and the liquid outlet end 122 are disposed on the same side of the body 11.
As shown in fig. 3 and 4, in some embodiments of the present invention, the body 11 includes a first side wall 111 and a second side wall 112 oppositely disposed; the liquid inlet end 121 comprises a first liquid inlet end 1211 and a second liquid inlet end 1212, the first liquid inlet end 1211 and the second liquid inlet end 1212 are arranged on the first side wall 111 at intervals, the first liquid inlet end 1211 is communicated with one end of the first circulating section 1231, which is far away from the second circulating section 1232, and the second liquid inlet end 121 is communicated with one end of the third circulating section 1233, which is far away from the second circulating section 1232; the liquid outlet end 122 is disposed on the second sidewall 112, the liquid outlet end 122 is communicated with one end of the second circulating section 1232 far away from the first circulating section 1231, and the liquid outlet end 122 is communicated with one end of the third circulating section 1233 far away from the second liquid inlet end 1212.
It can be understood that the two design schemes can also change specific details according to practical application scenes so as to ensure the heat exchange effect of the heat exchange element 1.
The utility model discloses an in some embodiments, the protruding 13 of vortex includes the protruding and banding bead of punctiform, and the specific size of a dimension isoparametric of punctiform arch and banding bead can be selected and adjusted according to the actual demand.
In some embodiments of the present invention, the turbulence protrusion 13 is in a straight bar shape or a spiral shape.
In some embodiments of the present invention, the flow channel 12 has a cross section circumferentially, and the shape of the cross section of the flow channel includes a circle and a polygon. In some embodiments of the present invention, as shown in fig. 6, the cross-section of the flow channel 12 is circular. The specific size parameters of the cross section of the flow channel 12 can be selected and adjusted according to actual requirements.
It can be understood, based on this design of the protruding 13 of vortex, the utility model discloses a can make multiple combination collocation between each circulation section 123 that has the protruding 13 of vortex of various shapes and runner 12 has various shapes in each embodiment, thereby all can realize disturbing heat transfer medium's the flow state promotes heat exchange efficiency's between heat transfer medium and the body 11 technological effect.
It can be understood that, as shown in fig. 4, in some embodiments of the present invention, the multiple branch runners are arranged in parallel, so as to enhance the contact area between the heat exchange medium in the runner and the body 11, thereby improving the heat exchange efficiency. The heat exchange member 1 provided by the utility model can be attached to the large surface of the square electric core or a heat conduction member is clamped between the large surface of the square electric core, the electric core is provided with an end surface, and the end surface is provided with electric connection members including poles, the electric connection members can generate joule heat under the working state, namely, the temperature of the end of the electric core, which is provided with the electric connection members, is relatively high; the utility model provides a heat exchange member 1 is being close to parallelly connected many branch road runners that are provided with in one side that electric connector was equipped with to electric core, through the one end increase runner quantity that is close to electric connector at heat exchange member 1 to increase heat transfer area between heat transfer medium and the body 11, thereby strengthen heat exchange member 1 is equipped with the heat exchange efficiency of electric connector's one end to electric core, and then guarantees the temperature homogeneity of electric core, thereby can guarantee the performance and the life-span of being on active service of electric core.
As shown in fig. 2 and 4, in some embodiments of the present invention, the inside of the heat exchange member 1 may be hollowed to reduce the self weight of the heat exchange member 1, thereby improving the energy density of the battery pack and the electric equipment using the heat exchange member 1 and reducing the manufacturing cost.
It can be understood that, when the temperature of the battery cell is high, the low-temperature heat exchange medium can be introduced into the flow channel 12 of the heat exchange member 1 provided by the utility model, and the temperature of the battery cell is reduced after the low-temperature heat exchange medium exchanges heat with the battery cell, so that the temperature difference between each local area on the battery cell is reduced, and the battery cell maintains good temperature uniformity; when the ambient temperature of the operating mode that electric core located is lower, perhaps need certain preheating temperature when electric core just started in order to guarantee its stable performance, this moment the utility model provides a can let in the higher heat transfer medium of temperature relatively in runner 12 among the heat transfer piece 1, make electric core temperature suitably rise after the heat transfer medium of warm temperature and the electric core heat transfer to make the difference in temperature between each local area reduce on the electric core, make electric core maintain better temperature homogeneity, reduce electric core and analyse lithium risk, prolong electric core life and improve the security.
It is understood that the specific components of the heat exchange medium can be selected and adjusted according to the practical application, for example, the heat exchange medium can be water or glycol, or a mixture of water and glycol in a certain proportion, or other liquid with high specific heat capacity.
In addition, what kind of material is specifically used for the heat exchange element 1 and the body 11 thereof, which can be selected and adjusted according to actual requirements, specifically, aluminum and its alloy, copper and its alloy, or other pure metals or alloys with high thermal conductivity coefficient can be used.
Example 2
As shown in fig. 7, in some embodiments of the present invention, a battery pack includes: the shell surrounds to form an accommodating cavity; a plurality of square battery cells 2, each of which is accommodated in the accommodation cavity and has a thickness direction, at least part of the battery cells 2 are arranged in the thickness direction, and each of the battery cells 2 has a large surface in the thickness direction; in the heat exchange member 1 according to embodiment 1, the body 11 of each heat exchange member 1 has a thickness direction; at least one large surface of each of the battery cells 2 is disposed opposite to one side of the body 11 of one of the heat exchanging elements 1 in the thickness direction. Compare in conventional electric core bottom liquid cooling design, the utility model discloses set up the laminating of heat transfer 1 on square electric core 2's thickness direction's the big face, shortened the heat dissipation route of the higher electric connector of heat production in the electric core, further reduced the electric core difference in temperature, improved the temperature homogeneity of electric core to guarantee the performance of electric core and prolong the service life of electric core.
It can be understood that, in other embodiments of the present invention, the electric core 2 may also be an electric core of other shapes except for a square electric core, and the heat exchange member 1 at this time is then laminated or relatively disposed with the side, peripheral face or side wall of these electric cores, and the heat exchange temperature control effect to the electric core as described above can also be realized.
In some embodiments of the present invention, the battery cell 2 has a height direction, and the height direction and the thickness direction of the battery cell 2 are perpendicular to each other; two ends of the battery cell 2 in the height direction are respectively provided with an end face, each end face is provided with an electric connecting piece 21, and each electric connecting piece 21 comprises a pole, a pole lug, a connecting piece and a busbar; it can be understood that, when the battery cell 2 works, the electrical connector 21 may generate joule heat, which causes temperature unevenness of the battery cell at various positions in the height direction of the battery cell, and in order to ensure the temperature uniformity of each battery cell, the first branch 12311 and the second branch 12312 are provided to enhance the heat exchange efficiency; when the heat exchange member 1 is attached to the large surface of the square battery cell, the heat exchange member 1 is vertically disposed, at this time, under the action of gravity, the heat exchange medium in the flow channel 12 tends to flow into the second branch 12312 located below the vertical direction after entering the first liquid inlet 1211, so that the amount of the heat exchange medium in the first branch 12311 located above the vertical direction is small, and the heat exchange effect of the first branch 12311 located above the vertical direction is poor. To solve this problem, in some embodiments of the present invention, the first branch 12311 is disposed beside the liquid inlet end 121, and the turbulent protrusion 13 is disposed between the liquid inlet end 121 and the branch flow channel; the design of the turbulence protrusions 13 can interfere the flow state of the heat exchange medium, so that the heat exchange medium which tends to flow downwards in the vertical direction is forced to be excited to flow into the first branch 12311 which is relatively higher in the vertical direction, the problem that the flow of the heat exchange medium in the branch flow channel which is higher in the vertical direction is prone to flowing to the branch flow channel which is lower in the vertical direction under the action of gravity, so that the flow of the heat exchange medium in the branch flow channel which is higher in the vertical direction is smaller can be solved, the heat exchange temperature control effect of the heat exchange member on the battery cell is improved, the temperature difference among local areas on the battery cell is further reduced, and the temperature uniformity of the battery cell is further improved.
As shown in fig. 7, in some embodiments of the present invention, the battery pack further includes a heat insulator 3; the heat insulation piece 3 is attached to the large face of the square battery cell 2, which deviates from the heat exchange piece 1 in the thickness direction.
As shown in fig. 7, in some embodiments of the present invention, the battery pack further includes a heat conducting member 4; the heat conducting piece 4 is arranged between the large surface of the square battery cell and the heat exchange piece 1; the heat conducting member 4 includes a heat conducting pad and a heat conducting adhesive. This heat-conducting piece 4 can promote electric core 2 with heat transfer ability between the heat-exchanging piece 1 can also play certain adhesive effect, is about to electric core 2 and the bonding of heat-exchanging piece 1 fixed to promote the holistic equipment stability and the reliability of battery package, avoid the battery package and adopted the power consumption equipment of battery package strikes the not hard up problem that leads to by the shock that probably appears in the more service environment of external force impact.
Example 3
An electrical device comprising the battery pack of embodiment 2, including but not limited to an electric vehicle.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. In addition, the description has used specific examples to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, and the content of the description should not be understood as the limitation of the present invention.

Claims (10)

1. A heat exchanger element (1), characterized in that the heat exchanger element (1) comprises:
a body (11); and
runner (12) for the holding heat transfer medium, runner (12) include feed liquor end (121), go out liquid end (122) and circulation section (123), feed liquor end (121) through circulation section (123) with go out liquid end (122) and be linked together, feed liquor end (121) with go out liquid end (122) and run through respectively body (11), circulation section (123) are located in body (11), be equipped with vortex arch (13) on the inner wall of circulation section (123).
2. The heat exchange element (1) according to claim 1, wherein the cross-sectional shape of the turbulator protrusion (13) comprises at least one of rectangular, triangular, trapezoidal and semi-circular.
3. The heat exchange element (1) according to claim 1, wherein the turbulating protrusions (13) are arranged spirally or linearly on the inner wall of the flow section (123) along the flow direction of the heat exchange medium.
4. The heat exchange member (1) according to claim 1, wherein a plurality of flow disturbing protrusions (13) are provided, and the plurality of flow disturbing protrusions (13) are arranged on the inner wall of the flow section (123) at intervals.
5. The heat exchange member (1) according to claim 1, wherein the flow passage section (123) comprises a first flow passage section (1231), two flow disturbing protrusions (13) are arranged on the inner wall of the first flow passage section (1231) and have corresponding positions, and the distance H between the two flow disturbing protrusions (13) and the caliber D of the first flow passage section (1231) 1 Satisfies the following conditions: h is less than or equal to 0.5D 1
6. The heat exchange element (1) according to claim 1, wherein the flow-through section (123) comprises a first flow-through section (1231), one end of the first flow-through section (1231) is communicated with the liquid inlet end (121), a baffle (14) connected with the inner wall of the first flow-through section (1231) is arranged in the first flow-through section (1231), the first flow-through section (1231) is divided into a first branch (12311) and a second branch (12312) which are connected in parallel by the baffle (14), and the first branch (12311) is located above the second branch (12312);
the vortex is protruding (13) to be located baffle (14) face the side of second branch road (12312) with between the inner wall of first circulation section (1231), just the vortex is protruding (13) with baffle (14) are close to the position of feed liquor end (121) is corresponding, the vortex is protruding (13) with the interval L of baffle (14) with second branch road (12312) bore D 2 Satisfies the following conditions: l < D 2
7. The heat exchange element (1) according to claim 1, wherein the flow-through section (123) is provided in the shape of "Contraband", and the flow-through section (123) comprises a first flow-through section (1231), a second flow-through section (1232) and a third flow-through section (1233);
the first flow-through section (1231) is in communication with the second flow-through section (1232), and the second flow-through section (1232) is in communication with the third flow-through section (1233).
8. The heat exchange element (1) according to claim 7, wherein the end of the first flow-through section (1231) remote from the second flow-through section (1232) communicates with the inlet end (121);
one end of the third circulating section (1233) far away from the second circulating section (1232) is communicated with the liquid outlet end (122);
the liquid inlet end (121) and the liquid outlet end (122) are arranged on the same side of the body (11).
9. A heat exchange element (1) according to claim 7, wherein the body (11) comprises a first (111) and a second (112) oppositely arranged side wall;
the liquid inlet end (121) comprises a first liquid inlet end (1211) and a second liquid inlet end (1212), the first liquid inlet end (1211) and the second liquid inlet end (1212) are arranged on the first side wall (111) at intervals, the first liquid inlet end (1211) is communicated with one end, far away from the second circulation section (1232), of the first circulation section (1231), and the second liquid inlet end (121) is communicated with one end, far away from the second circulation section (1232), of the third circulation section (1233);
the liquid outlet end (122) is arranged on the second side wall (112), the liquid outlet end (122) is communicated with one end, far away from the first circulation section (1231), of the second circulation section (1232), and the liquid outlet end (122) is communicated with one end, far away from the second liquid inlet end (1212), of the third circulation section (1233).
10. A battery pack, characterized in that it comprises a heat exchanger (1) according to any one of claims 1-9.
CN202222715262.9U 2022-10-11 2022-10-11 Heat exchange piece, battery package and consumer Active CN218498177U (en)

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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province

Patentee after: Xinwangda Power Technology Co.,Ltd.

Address before: 518107 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province

Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd.