CN220021239U - Temperature acquisition device and battery module - Google Patents
Temperature acquisition device and battery module Download PDFInfo
- Publication number
- CN220021239U CN220021239U CN202321149136.XU CN202321149136U CN220021239U CN 220021239 U CN220021239 U CN 220021239U CN 202321149136 U CN202321149136 U CN 202321149136U CN 220021239 U CN220021239 U CN 220021239U
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- temperature sensing
- temperature
- probe
- opening
- acquisition device
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- 239000000523 sample Substances 0.000 claims abstract description 75
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 230000036413 temperature sense Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 13
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a temperature acquisition device and a battery module, wherein the temperature acquisition device comprises a terminal, a temperature sensing probe and heat conducting glue, wherein the terminal is sleeved on the temperature sensing probe and is welded and connected with an aluminum row of the battery module, so that the temperature sensing probe and the aluminum row are tightly attached, the situations of displacement, tilting and the like can not occur, and the situation of false alarm of a battery management system caused by poor contact between the temperature sensing probe and the aluminum row is avoided.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a temperature acquisition device and a battery module.
Background
The battery module in the current market adopts heat conduction glue to fix temperature sensing probe on the aluminium row more, before the heat conduction glue solidification, temperature sensing probe shifts easily, perk, leads to temperature sensing probe unable closely laminating with electric core aluminium row, causes battery management system's problem of reporting to the police by mistake.
Therefore, it is necessary to provide a temperature acquisition device and a battery module to improve the defect.
Disclosure of Invention
The embodiment of the utility model provides a temperature acquisition device and a battery module, which can enable a temperature sensing probe to be closely attached to an aluminum row, avoid the situations of displacement, tilting and the like, and avoid the situation of false alarm of a battery management system caused by poor contact between the temperature sensing probe and the aluminum row.
An embodiment of the present utility model provides a temperature acquisition device, including:
a temperature sensing probe; and
and the terminal is sleeved on the temperature sensing probe.
In one embodiment, the terminal comprises:
a heat conduction part; and
the temperature sensing part is connected with the heat conducting part, the temperature sensing part is of a hollow structure with at least one end open, and the temperature sensing probe is positioned in the temperature sensing part.
In one embodiment, the heat conducting part is sheet-shaped.
In an embodiment, a portion of the heat conducting part far away from the temperature sensing part is in a straight sheet shape, and a portion of the heat conducting part near the temperature sensing part is in a bent sheet shape or a bent sheet shape.
In one embodiment, the temperature sensing part is cylindrical.
In an embodiment, a first opening is formed at one end, close to the heat conducting part, of the temperature sensing part, and a second opening is formed at one end, far away from the heat conducting part, of the temperature sensing part, and the first opening is communicated with the second opening;
the size of the first opening is larger than that of the temperature sensing probe, and the size of the second opening is smaller than that of the temperature sensing probe.
In an embodiment, the temperature acquisition device further comprises a temperature sensing wire harness inserted into the temperature sensing part through the second opening and electrically connected with the temperature sensing probe.
In an embodiment, the heat conducting part and the temperature sensing part are integrally formed.
The embodiment of the utility model also provides a battery module which comprises an aluminum row and the temperature acquisition device, wherein the terminal is connected with the aluminum row in a welding way.
In an embodiment, the battery module further comprises a voltage probe, a voltage acquisition wire harness and a protective layer, wherein the voltage acquisition wire harness is electrically connected with the voltage probe, the voltage probe is in welded connection with the aluminum row, a gap between the temperature sensing probe and the heat conducting part is filled with heat conducting glue, part of the protective layer covers the terminal and is bonded with the aluminum row, and the other part of the protective layer covers the voltage probe and is bonded with the aluminum row.
The utility model has the beneficial effects that:
according to the utility model, the temperature acquisition device comprises the terminal, the temperature sensing probe and the heat conducting glue, and the terminal is sleeved on the temperature sensing probe and is welded and connected with the aluminum bar, so that the temperature sensing probe and the aluminum bar are tightly attached, the situation of shifting, tilting and the like can not occur, and the situation of false alarm of a battery management system caused by poor contact between the temperature sensing probe and the aluminum bar is avoided.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a temperature acquisition device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of another view angle of the temperature acquisition device according to the embodiment of the present utility model;
fig. 3 is a top view of a temperature acquisition device according to an embodiment of the present utility model
Fig. 4 is a schematic structural view of a battery module according to an embodiment of the present utility model;
fig. 5 is an enlarged schematic view at a in fig. 4.
The names of the corresponding components in the figures are: 100-battery module, 10-temperature acquisition device, 1-terminal, 11-temperature sense portion, 111-first opening, 112-second opening, 12-heat conduction portion, 121-main part, 122-connecting portion, 2-temperature sense probe, 3-temperature sense pencil, 20-electric core module, 21-aluminium row, 30-voltage probe, 31-voltage acquisition pencil.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The embodiment of the utility model provides a temperature acquisition device and a battery module, which can enable a temperature sensing probe to be closely attached to an aluminum row, avoid the situations of displacement, tilting and the like, and avoid the situation of false alarm of a battery management system caused by poor contact between the temperature sensing probe and the aluminum row.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a temperature acquisition device according to an embodiment of the present utility model, fig. 2 is a schematic structural diagram of another view of the temperature acquisition device according to an embodiment of the present utility model, fig. 3 is a top view of the temperature acquisition device according to an embodiment of the present utility model, and a temperature acquisition device 10 includes a terminal 1 and a temperature sensing probe 2, where the terminal 1 is sleeved on the temperature sensing probe 2.
Further, the terminal 1 includes a heat conduction portion 12 and a temperature sensing portion 11, the temperature sensing portion 11 is connected to the heat conduction portion 12, the temperature sensing portion 11 is a hollow temperature sensing portion 11 having at least one end opened, and the temperature sensing probe 2 is located in the temperature sensing portion 11.
In the present embodiment, the heat conductive portion 12 is sheet-shaped.
Specifically, the portion of the heat conduction portion 12 away from the temperature sensing portion 11 is a straight sheet, and the portion of the heat conduction portion 12 close to the temperature sensing portion 11 is a curved sheet or a bent sheet.
As shown in fig. 1, the heat conduction portion 12 includes a main body portion 121 and a connection portion 122, the main body portion 121 is a portion of the heat conduction portion 12 away from the temperature sensing portion 11, the main body portion 121 is in a straight sheet shape, and the main body portion 121 is used for welding connection with the aluminum busbar, and by providing the main body portion 121 in a straight sheet shape, the contact area between the main body portion 121 and the aluminum busbar can be increased, so that the heat conduction speed can be increased.
The connection portion 122 is a portion of the heat conducting portion 12 near the temperature sensing portion 11, opposite ends of the connection portion 122 are respectively connected with the main body portion 121 and the temperature sensing portion 11, the connection portion 122 is in a bent sheet shape, and the main body portion 121 and the connection portion 122 are integrally formed. By providing the connecting portion 122 in a bent sheet shape, a step is formed between the body portion 121 and the temperature sensing portion 11, and it can be considered that the plane of the temperature sensing portion 11 is higher than the plane of the body portion 121, so that interference between the temperature sensing portion 11 and other components of the battery module during welding can be avoided. In other embodiments, the connecting portion 122 may also be a curved sheet, which is not limited herein.
In the present embodiment, the temperature sensing portion 11 has a cylindrical shape.
Specifically, the temperature sensing portion 11 has a cylindrical shape. In other embodiments, the shape of the temperature sensing portion 11 is not limited to the cylindrical shape in the above embodiments, and may be a cylindrical structure having a hollow interior such as a semi-cylindrical shape, an elliptical cylindrical shape, or a square cylindrical shape, and the shape is not limited only.
Further, the temperature sensing part 11 has a first opening 111 near one end of the heat conducting part 12, and a second opening 112 near one end of the temperature sensing part 11 far from the heat conducting part 12, the first opening 111 is communicated with the second opening 112, the size of the first opening 111 is larger than that of the temperature sensing probe 2, and the size of the second opening 112 is smaller than that of the temperature sensing probe 2.
In one embodiment, as shown in fig. 1 and 2, the first opening 111 and the second opening 112 are both circular openings, the first opening 111 is formed at one end of the temperature sensing portion 11 close to the heat conducting portion 12, the second opening 112 is formed at one end of the temperature sensing portion 11 far away from the heat conducting portion 12, and the first opening 111 and the second opening 112 are both communicated with the hollow structure in the temperature sensing portion 11, i.e. the first opening 111 is communicated with the second opening 112.
In this embodiment, the size of the first opening 111 refers to the diameter of the first opening 111, the diameter of the hollow structure inside the temperature sensing portion 11 is the same as the diameter of the first opening 111, the size of the temperature sensing probe 2 refers to the diameter of the temperature sensing probe 2, the size of the second opening 112 refers to the diameter of the second opening 112, that is, the diameter of the first opening 111 is larger than the diameter of the temperature sensing probe 2, the diameter of the second opening 112 is smaller than the diameter of the temperature sensing probe 2, and the temperature sensing probe 2 can be mounted inside the temperature sensing portion 11 through the first opening 111.
In other embodiments, when the first opening 111 and the second opening 112 are non-circular openings, the size of the first opening 111 may refer to the diameter of the circumscribing circle of the first opening 111, and the size of the temperature sensing probe 2 and the size of the second opening 112 are also the same, which is not described herein.
In one embodiment, the heat conducting part 12 and the temperature sensing part 11 are integrally formed. In other embodiments, the heat conducting portion 12 and the temperature sensing portion 11 may be two independent components, and the heat conducting portion 12 and the temperature sensing portion 11 may be fixedly connected by welding or other manners.
In one embodiment, the material of the terminal 1 is metal. The metal has good heat conductivity and plasticity, so that the molding requirement of the terminal can be ensured, and the sensitivity and accuracy of the temperature acquisition device can be ensured.
Specifically, the material of the terminal 1 may be copper or aluminum, so that the terminal 1 can meet the welding requirements, the terminal forming requirements and the terminal strength requirements.
Further, the temperature acquisition device 10 further includes a temperature sensing wire harness 3, and the temperature sensing wire harness 3 is inserted into the terminal through an opening on the terminal and electrically connected with the temperature sensing probe 2.
Referring to fig. 2, the opening on the terminal 1 is the second opening 112 shown in fig. 2, one end of the temperature sensing wire harness 3 may be inserted into the temperature sensing portion 11 through the second opening 112 and electrically connected with the temperature sensing probe 2, and the other end of the temperature sensing wire harness 3 may be led out from the second opening 112 to be electrically connected with the collection board of the battery management system, so that the temperature information collected by the temperature sensing probe 2 may be timely transmitted to the battery management system through the temperature sensing wire harness 3. Since the diameter of the second opening 112 is smaller than that of the temperature sensing probe 2, the temperature sensing probe 2 can be prevented from coming out of the temperature sensing portion 11 under pulling of the temperature sensing wire harness 3.
In other embodiments, the temperature sensing part 11 may be provided with only one end opening, i.e., the temperature sensing part 11 may be provided with only the first opening 111, the temperature sensing probe 2 may be installed in the temperature sensing part 11 through the first opening 111, and the temperature sensing wire harness 3 may be inserted into the temperature sensing part 11 through the first opening 111 and electrically connected with the temperature sensing probe 2.
According to the temperature acquisition device provided by the above embodiment of the present utility model, the embodiment of the present utility model further provides a battery module, referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of the battery module provided by the embodiment of the present utility model, and fig. 5 is an enlarged schematic diagram of a in fig. 4, where the battery module 100 includes the temperature acquisition device 10 provided by the above embodiment.
In this embodiment, the battery module 100 includes a plurality of battery modules 20, each battery module 20 includes a battery core and an aluminum row 21, each battery module 20 is configured with a temperature acquisition device 10, the temperature acquisition device 10 is used for acquiring the temperature of the battery core, and the terminal 1 of the temperature acquisition device 10 is welded with the aluminum row 21, so that the temperature sensing probe 2 and the aluminum row 21 can be ensured to be closely attached, and the situation such as displacement or warping cannot occur, thereby avoiding the occurrence of false alarm of the battery management system caused by poor contact between the temperature sensing probe and the aluminum row. In addition, terminal 1, temperature sensing probe 2 of temperature acquisition device 10 can weld and beat the glue through preceding processing mode, can not influence the later stage production equipment to can improve battery module's production efficiency.
Specifically, the heat conduction portion 12 of the terminal 1 is welded to the aluminum row 21, and the heat conduction portion 12 and the aluminum row 21 can be welded by ultrasonic welding.
Further, the gap between the temperature sensing probe 2 and the terminal 1 is filled with a heat conductive adhesive.
Specifically, a heat-conducting glue (not shown) may be filled in the temperature-sensing portion 11 of the terminal 1, and the material of the heat-conducting glue may be a material of a heat-conducting glue commonly used in the art, which is not limited herein. Through the clearance filling heat conduction glue between temperature sensing probe 2 and the temperature sensing portion 11 of terminal 1, can utilize the viscidity of heat conduction glue to take place the condition that shifts or perk in temperature sensing portion 11 with temperature sensing probe 2 like this, can also utilize the good heat conductivility of heat conduction glue, with the heat quick conduction of terminal 1 to temperature sensing probe 2 to can improve temperature acquisition device's sensitivity and accuracy.
Further, the battery module 100 includes a sheathing layer (not shown in the drawings), part of which covers the terminals 1 and is bonded to the aluminum bars 21. The material of the protective layer may be the same as that of the heat conductive adhesive in the above embodiment. The terminal 1 is coated by the protective layer and is adhered to the aluminum row 21, so that on one hand, oxidation of the terminal 1 can be avoided, and on the other hand, the heat conduction area of the terminal 1 and the aluminum row 21 can be increased, and therefore the sensitivity and accuracy of temperature acquisition can be improved.
In one embodiment, the battery module 100 includes a voltage probe 30 and a voltage collection wire harness 31, the voltage probe 30 is used for collecting the voltage of the current core, the voltage probe 30 is welded with the aluminum busbar 21, the voltage collection wire harness 31 is electrically connected with the voltage probe 30, the voltage collection wire harness 31 is electrically connected with a collection board of the battery management system, and the voltage information collected by the voltage probe 30 can be timely transmitted to the battery management system through the voltage collection wire harness 31.
Specifically, the voltage probe 30 and the aluminum row 21 may be welded by ultrasonic welding.
Further, a further part of the protective layer encloses the voltage probe 30 and is bonded to the aluminum row 21. The material of the protective layer may be the same as that of the heat conductive adhesive in the above embodiment.
The utility model has the beneficial effects that: according to the utility model, the temperature acquisition device comprises the terminal, the temperature sensing probe and the heat conducting glue, and the terminal is sleeved on the temperature sensing probe and is welded and connected with the aluminum bar, so that the temperature sensing probe and the aluminum bar are tightly attached, the situation of shifting, tilting and the like can not occur, and the situation of false alarm of a battery management system caused by poor contact between the temperature sensing probe and the aluminum bar is avoided.
The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model, wherein the principles and embodiments of the utility model are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.
Claims (9)
1. A temperature acquisition device, comprising:
a temperature sensing probe; and
the terminal, the terminal cover is located on the temperature sense probe, the terminal includes:
a heat conduction part; and
the temperature sensing part is connected with the heat conducting part, the temperature sensing part is of a hollow structure with at least one end open, and the temperature sensing probe is positioned in the temperature sensing part.
2. The temperature acquisition device of claim 1, wherein the thermally conductive portion is sheet-like.
3. The temperature acquisition device according to claim 2, wherein a portion of the heat conduction portion away from the temperature sensing portion is a straight sheet shape, and a portion of the heat conduction portion close to the temperature sensing portion is a curved sheet shape or a bent sheet shape.
4. The temperature acquisition device according to claim 1, wherein the temperature sensing portion is cylindrical.
5. The temperature acquisition device according to claim 1, wherein one end of the temperature sensing part, which is close to the heat conducting part, is provided with a first opening, one end of the temperature sensing part, which is far away from the heat conducting part, is provided with a second opening, and the first opening is communicated with the second opening;
the size of the first opening is larger than that of the temperature sensing probe, and the size of the second opening is smaller than that of the temperature sensing probe.
6. The temperature acquisition device of claim 5, further comprising a temperature sensing wire harness inserted into the temperature sensing portion through the second opening and electrically connected to the temperature sensing probe.
7. The temperature acquisition device of claim 1, wherein the thermally conductive portion and the temperature sensing portion are of unitary construction.
8. A battery module comprising an aluminum row and the temperature collection device according to any one of claims 1 to 7, wherein the terminal is welded to the aluminum row.
9. The battery module of claim 8, further comprising a voltage probe, a voltage acquisition harness and a protective layer, wherein the voltage acquisition harness is electrically connected with the voltage probe, the voltage probe is welded with the aluminum row, a gap between the temperature sensing probe and the terminal is filled with a heat conducting adhesive, a part of the protective layer covers the terminal and is bonded with the aluminum row, and another part of the protective layer covers the voltage probe and is bonded with the aluminum row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149136.XU CN220021239U (en) | 2023-05-12 | 2023-05-12 | Temperature acquisition device and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321149136.XU CN220021239U (en) | 2023-05-12 | 2023-05-12 | Temperature acquisition device and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220021239U true CN220021239U (en) | 2023-11-14 |
Family
ID=88677200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321149136.XU Active CN220021239U (en) | 2023-05-12 | 2023-05-12 | Temperature acquisition device and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220021239U (en) |
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2023
- 2023-05-12 CN CN202321149136.XU patent/CN220021239U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |