CN217442723U - Temperature acquisition assembly and battery module - Google Patents
Temperature acquisition assembly and battery module Download PDFInfo
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- CN217442723U CN217442723U CN202123348128.1U CN202123348128U CN217442723U CN 217442723 U CN217442723 U CN 217442723U CN 202123348128 U CN202123348128 U CN 202123348128U CN 217442723 U CN217442723 U CN 217442723U
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- temperature
- battery module
- temperature acquisition
- battery
- assembly
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- 238000002955 isolation Methods 0.000 claims description 13
- 238000005476 soldering Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 7
- 229910000679 solder Inorganic materials 0.000 claims 1
- RKUAZJIXKHPFRK-UHFFFAOYSA-N 1,3,5-trichloro-2-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=C(Cl)C=C(Cl)C=C1Cl RKUAZJIXKHPFRK-UHFFFAOYSA-N 0.000 description 8
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical group 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a temperature acquisition subassembly and battery module, wherein, the temperature acquisition subassembly includes: a PCB circuit board; the temperature sensors are arranged on the PCB at intervals; and the temperature sensor is used for detecting the temperature of the battery cell in the battery module. The utility model discloses improve the temperature acquisition structure of battery module, the cost is reduced has improved temperature acquisition's precision.
Description
Technical Field
The utility model relates to an electricity core temperature detects technical field, especially relates to a temperature acquisition subassembly and battery module.
Background
At present, electric vehicles are more and more widely used, and the safety of the electric vehicles and the energy storage systems is influenced by the temperature of batteries in the electric vehicles and the large-scale energy storage systems. In order to ensure that the battery can normally work in a high-temperature environment and a low-temperature environment, a thermal management system is usually arranged in the battery system to monitor the temperature of the battery during working and actively regulate the temperature to enable the battery to work in an optimal temperature range.
The battery core temperature acquisition circuit board of the existing battery module is an FPC (flexible printed circuit), the cost of the circuit board is high, and the FPC flexible circuit board needs to be arranged in each battery module, so that the overall manufacturing cost of the battery module is relatively high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a temperature acquisition subassembly and battery module, when aiming at realizing electric core temperature detection function, reduces the cost of temperature acquisition subassembly. .
In order to achieve the above object, the utility model provides a temperature acquisition subassembly is applied to the battery module, the temperature acquisition subassembly includes:
a PCB circuit board; and
the temperature sensors are arranged on the PCB at intervals; and the temperature sensor is used for detecting the temperature of the battery cell in the battery module.
Optionally, the PCB is provided with a plurality of soldering positions at intervals along a length direction thereof for soldering the temperature sensor.
Optionally, the pin of the temperature sensor is soldered to the soldering position by soldering to form a circuit with the PCB circuit board.
Optionally, two ends of the PCB are respectively provided with a low voltage connector for transmitting temperature and voltage signals.
Optionally, the plurality of temperature sensors are uniformly arranged at intervals along the length direction of the PCB circuit board.
In order to achieve the above object, the utility model discloses still provide a battery module, include:
a housing assembly;
the battery cells are arranged in the shell assembly in parallel; and
the temperature acquisition assembly is the temperature acquisition assembly, the temperature acquisition assembly is arranged on the shell assembly, and the temperature sensor is arranged on the battery cell; the temperature acquisition assembly comprises:
a PCB circuit board; and
the temperature sensors are arranged on the PCB at intervals; and the temperature sensor is used for detecting the temperature of the battery cell in the battery module.
Optionally, each all be equipped with electric core two-dimensional code on the electric core, just temperature sensor's temperature acquisition end corresponds the detection rather than electric core two-dimensional code on the electric core pastes and leans on the setting.
Optionally, the temperature sensor is bonded and fixed with the battery cell through heat-conducting glue.
Optionally, the battery module further includes an electrical isolation plate, the electrical isolation plate is installed in the housing assembly and attached to the battery cells, and the PCB is bonded to the electrical isolation plate through glue.
Optionally, the electrical isolation plate is provided with an avoidance hole corresponding to the position of the temperature sensor, and the hole wall of the avoidance hole is arranged in a protruding manner.
In the technical scheme of the utility model, the temperature acquisition assembly comprises a PCB circuit board and a plurality of temperature sensors, wherein the plurality of temperature sensors are arranged on the PCB circuit board at intervals; and the temperature sensor is used for detecting the temperature of the battery cell in the battery module. So, realized the function of gathering electric core temperature, simultaneously, because the cost of PCB circuit board is with low costs than the FPC board, all circuit boards of current temperature acquisition subassembly are the FPC board, and the utility model discloses a temperature acquisition subassembly adopts the PCB circuit board, can reduce the cost of temperature acquisition subassembly widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the temperature acquisition assembly of the present invention;
FIG. 2 is a partial enlarged view of an embodiment of the temperature acquisition assembly of the present invention;
fig. 3 is an exploded view of an embodiment of the battery module according to the present invention.
The reference numbers illustrate:
1. a battery module; 10. a temperature acquisition component; 100. a PCB circuit board; 200. a temperature sensor; 300. a low voltage connector; 101. welding positions; 20. a housing assembly; 30. an electric core; 21. a cover plate; 22. a side plate; 23. a cover plate; 40. an electrical isolation plate.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "a and/or B" as an example, including either the a aspect, or the B aspect, or both the a and B aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a temperature acquisition assembly is applied to battery module, especially electric automobile's lithium cell power battery module, and here is not limited.
Referring to fig. 1 to 3, in an embodiment of the present invention, the temperature collecting assembly 10 includes a PCB circuit board 100 and a plurality of temperature sensors 200, the plurality of temperature sensors 200 are disposed on the PCB circuit board 100 at intervals; and the temperature sensor 200 is used for detecting the temperature of the battery core 30 in the battery module 1.
It should be noted that a PCB, also called a Printed Circuit Board, is an important electronic component, which is a support for electronic components and a carrier for electrical interconnection of electronic components.
In the technical solution of the present invention, the temperature collecting assembly 10 includes a PCB circuit board 100 and a plurality of temperature sensors 200, the number of the temperature sensors 200 is plural, and the plurality of temperature sensors 200 are arranged on the PCB circuit board 100 at intervals; and the temperature sensor 200 is used for detecting the temperature of the battery core 30 in the battery module 1. So, realized the function of gathering electric core 30 temperature, simultaneously, because the cost of PCB circuit board 100 is with low costs than the FPC board, all circuit boards of current temperature acquisition subassembly 10 are the FPC board, and the utility model discloses a temperature acquisition subassembly 10 adopts PCB circuit board 100, can reduce the cost of temperature acquisition subassembly 10 widely.
In order to collect the temperature of each electric core 30 in the battery module 1 conveniently, so as to improve the accuracy of temperature collection and the convenience of installing the temperature collection assembly 10, referring to fig. 1, in an embodiment, the PCB circuit board 100 may be disposed in a strip shape.
Referring to fig. 1, in the present embodiment, the PCB 100 may be provided with a plurality of soldering sites 101 for soldering the temperature sensor 200 at intervals along a length direction thereof.
Referring to fig. 1 and 2, preferably, the plurality of temperature sensors 200 may be uniformly arranged at intervals along the length direction of the PCB circuit board 100. So, can guarantee the homogeneity of PCB circuit board 100 atress, prolong PCB circuit board 100's life, also can survey battery module 1 electric core 30's temperature everywhere simultaneously for the temperature acquisition point can evenly distributed, has promoted temperature acquisition's accuracy.
In order to improve the connection stability of the temperature sensor 200 and the PCB circuit board 100, referring to fig. 2, in an embodiment, the pins of the temperature sensor 200 are soldered on the soldering sites 101 by soldering to form a circuit with the PCB circuit board 100.
In one embodiment, the PCB 100 is provided with low voltage connectors 300 at both ends thereof, respectively, for transmitting temperature and voltage signals. Thus, temperature signals and voltage signals are transmitted.
Referring to fig. 3, the present invention further provides a battery module 1, the battery module 1 includes a temperature acquisition assembly 10, the specific structure of the temperature acquisition assembly 10 refers to the above embodiments, because the present invention provides a battery module 1 including all the schemes of all the embodiments of the above temperature acquisition assembly 10, and therefore, at least the same technical effects as the temperature acquisition assembly 10 are provided, which is not illustrated herein.
Referring to fig. 3, in an embodiment of the present invention, the battery module 1 includes a plurality of temperature collecting assemblies 10, a housing assembly 20, and a plurality of battery cells 30, wherein the plurality of battery cells 30 are disposed in parallel in the housing assembly 20; a plurality of temperature collecting assemblies 10, each temperature collecting assembly 10 being the temperature collecting assembly 10 as described above, the temperature collecting assembly 10 being disposed on the casing assembly 20, and the temperature sensor 200 extending into between two adjacent battery cells 30.
As shown in fig. 3, in the present embodiment, the housing assembly 20 may include a cover plate 21, a side plate 22, a cover plate 23, and the like, which are not limited in detail herein.
In this embodiment, the number of the temperature collection assemblies 10 may be one, two, or more. When the plurality of battery cells 30 are arranged in two or more rows, two or more temperature acquisition assemblies 10 may be adopted, and the two or more temperature acquisition assemblies 10 may be arranged in the housing assembly 20 side by side to respectively acquire the temperatures of the battery cells 30 at different positions; when a plurality of battery cells 30 are arranged along the length direction and have a long length, the temperature of the battery cells 30 at each part can be collected by splicing a plurality of temperature collection assemblies 10.
It can be understood that, in the technical solution of the present invention, the temperature collecting assembly 10 includes a PCB 100 and a plurality of temperature sensors 200, the number of the temperature sensors 200 is plural, and the plurality of temperature sensors 200 are arranged on the PCB 100 at intervals; and the temperature sensor 200 is used for detecting the temperature of the battery core 30 in the battery module 1. So, realized the function of gathering electric core 30 temperature, simultaneously, because the cost of PCB circuit board 100 is with low costs than the FPC board, all circuit boards of current temperature acquisition subassembly 10 are the FPC board, and the utility model discloses a temperature acquisition subassembly 10 adopts PCB circuit board 100, can reduce the cost of temperature acquisition subassembly 10 widely, and then has reduced battery module 1's overall cost.
In order to improve the accuracy of the temperature collected by the temperature sensor 200, referring to fig. 2 and fig. 3, in an embodiment, each battery cell 30 is provided with a battery cell two-dimensional code, and the temperature collecting end of the temperature sensor 200 is attached to the battery cell two-dimensional code on the battery cell 30 corresponding to the temperature collecting end.
In an embodiment, the temperature sensor 200 may be fixed to the battery cell 30 by bonding with a thermally conductive adhesive.
In this embodiment, the temperature detection end of the temperature sensor 200 is thermally bonded to the battery cell 30 through the thermal conductive glue, so that the temperature sensor 200 can be always attached to the two-dimensional code of the battery cell, and the reliability of temperature acquisition is improved.
Referring to fig. 3, in an embodiment, the battery module 1 may further include an electrical isolation plate 40, the electrical isolation plate 40 is mounted to the housing assembly 20 and is disposed adjacent to the plurality of battery cells 30, and the PCB 100 is adhered to the electrical isolation plate 40 by glue. Therefore, the installation firmness of the PCB 100 can be improved, the phenomenon that the PCB 100 shifts in the shell assembly 20 to influence the accuracy of temperature acquisition is avoided, and the accuracy of temperature acquisition is improved.
In order to improve the convenience of assembling the PCB 100 and the electrical isolation board 40, in an embodiment, the electrical isolation board 40 may be provided with an avoiding hole at a position corresponding to the temperature sensor 200, and a hole wall of the avoiding hole is disposed in a convex shape. Wherein, the hole wall of the avoiding hole is arranged in a convex shape, so that the glue overflow can be effectively avoided.
The above is only the optional embodiment of the present invention, and not limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a temperature acquisition subassembly, is applied to battery module, its characterized in that, the temperature acquisition subassembly includes:
the PCB circuit board, the said PCB circuit board both ends have low-voltage connectors separately, in order to be used for transmitting the temperature and voltage signal; and
the temperature sensors are arranged on the PCB at intervals; and the temperature sensor is used for detecting the temperature of the battery cell in the battery module.
2. The temperature acquisition assembly of claim 1, wherein the PCB is spaced along its length with a plurality of soldering sites for soldering the temperature sensor.
3. The temperature acquisition assembly of claim 2, wherein the pins of the temperature sensor are soldered to the solder sites by soldering to form a circuit with the PCB circuit board.
4. The temperature acquisition assembly of any one of claims 1-3, wherein the plurality of temperature sensors are evenly spaced along the length of the PCB circuit board.
5. A battery module, comprising:
a housing assembly;
the battery cells are arranged in the shell assembly in parallel; and
the battery pack comprises at least one temperature acquisition assembly, wherein the temperature acquisition assembly is as claimed in any one of claims 1 to 4, the temperature acquisition assembly is arranged on the shell assembly, and the temperature sensor is arranged on the battery core.
6. The battery module of claim 5, wherein each of the battery cells is provided with a battery cell two-dimensional code, and the temperature acquisition end of the temperature sensor is attached to the battery cell two-dimensional code on the battery cell, which is detected correspondingly.
7. The battery module of claim 6, wherein the temperature sensor is adhesively secured to the cell by thermally conductive glue.
8. The battery module of claim 5, further comprising an electrical isolation plate mounted to the housing assembly and disposed against the plurality of cells, wherein the PCB is bonded to the electrical isolation plate by glue.
9. The battery module according to claim 8, wherein an avoiding hole is formed in the electrical isolation plate at a position corresponding to the temperature sensor, and a hole wall of the avoiding hole is convexly formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123348128.1U CN217442723U (en) | 2021-12-28 | 2021-12-28 | Temperature acquisition assembly and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123348128.1U CN217442723U (en) | 2021-12-28 | 2021-12-28 | Temperature acquisition assembly and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217442723U true CN217442723U (en) | 2022-09-16 |
Family
ID=83212074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123348128.1U Active CN217442723U (en) | 2021-12-28 | 2021-12-28 | Temperature acquisition assembly and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217442723U (en) |
-
2021
- 2021-12-28 CN CN202123348128.1U patent/CN217442723U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |