CN220650841U - Temperature measurement connects and battery pack - Google Patents
Temperature measurement connects and battery pack Download PDFInfo
- Publication number
- CN220650841U CN220650841U CN202322099112.4U CN202322099112U CN220650841U CN 220650841 U CN220650841 U CN 220650841U CN 202322099112 U CN202322099112 U CN 202322099112U CN 220650841 U CN220650841 U CN 220650841U
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- Prior art keywords
- wire
- temperature measuring
- electrically connected
- temperature
- temperature measurement
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- 238000009529 body temperature measurement Methods 0.000 title claims description 24
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model belongs to the technical field of batteries, and particularly relates to a temperature measuring joint and a battery assembly. The temperature measuring connector comprises a plug, a temperature measuring piece, a first insulating shrinkage tube, a positive electrode wire, a negative electrode wire and a temperature measuring wire which are all electrically connected with the plug; the temperature measuring piece is provided with a first wire and a second wire; the temperature measuring guide wire is provided with a bare wire core, and one end of the first guide wire, which is far away from the temperature measuring piece, is attached to the bare wire core and is electrically connected with the temperature measuring guide wire; the first insulation shrink tube is sleeved on the first lead and the temperature measuring lead and is used for sealing the exposed wire core; one end of the second wire, which is far away from the temperature measuring piece, is electrically connected with the negative electrode wire. According to the utility model, the first wire and the temperature measuring wire can be electrically connected without welding, so that the connection firmness and strength between the first wire and the temperature measuring wire are ensured, and the flatness of the connection part between the first wire and the temperature measuring wire is ensured.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a temperature measuring joint and a battery assembly.
Background
Batteries are used as a common energy storage and supply element for various electronic devices. During the charge and discharge process of the battery, the temperature of the battery is increased, and if the temperature of the battery is too high, accidents such as short circuit, fire and the like can occur; therefore, in order to ensure the safety of the battery, it is necessary to detect the temperature of the battery during charging and discharging in real time, and to turn off the battery in time when the battery temperature is detected to be too high.
The temperature of the battery is usually detected in real time using a thermistor, which needs to be electrically connected to a controller or the like outside the battery by lead wires. In the prior art, a welding mode is usually adopted between an electric wire and a temperature wire of the thermistor; however, the wire core of the thermistor wire is thinner, and the wire core is welded on the same plane, and when the wire core is pulled, the pulling force can be intensively acted on the welding part of the wire of the thermistor pin, so that the connection part of the wire of the thermistor and the temperature wire is easily broken; in addition, since the temperature wire core is usually different from the thermistor core in diameter, the soldering site is larger in tin spot or tin tip during soldering.
Disclosure of Invention
The utility model provides a temperature measuring joint aiming at the technical problem that the connection part of an electric wire and a temperature wire of a thermistor is easy to break in the prior art.
In view of the above technical problems, an embodiment of the present utility model provides a temperature measurement connector, which includes a plug, a temperature measurement member, a first insulation shrink tube, and an anode wire, a cathode wire and a temperature measurement wire all electrically connected with the plug; the temperature measuring piece is provided with a first wire and a second wire;
the temperature measuring wire is provided with a bare wire core, and one end of the first wire, which is far away from the temperature measuring piece, is attached to the bare wire core and is electrically connected with the temperature measuring wire; the first insulation shrink tube is sleeved on the first lead and the temperature measuring lead and is used for sealing the exposed wire core; and one end of the second lead far away from the temperature measuring piece is electrically connected with the negative electrode lead.
Optionally, the temperature measuring connector further comprises a conductive sheet and a second insulating shrinkage tube, one end of the second wire, far away from the temperature measuring piece, is attached to the conductive sheet and is electrically connected with the conductive sheet, and one end of the negative wire, far away from the plug, is attached to the conductive sheet and is electrically connected with the conductive sheet;
the second insulating shrink tube is sleeved on the conducting strip, the second conducting wire and the negative electrode conducting wire, and the second insulating shrink tube is used for sealing the junction of the second conducting wire, the negative electrode conducting wire and the conducting strip.
Optionally, the second wire and the negative wire are welded on the conductive sheet.
Optionally, the conductive sheet is a soldering lug.
Optionally, the distance between one end of the temperature measuring wire far away from the plug and the exposed wire core is 9 mm-11 mm.
Optionally, the length of the exposed wire core is 2 mm-4 mm.
Optionally, the temperature measuring piece is a thermistor.
The utility model also provides a battery assembly, which comprises a battery pack and the temperature measuring joint; the battery pack comprises a shell and a battery body arranged in the shell, wherein one end of the negative electrode lead far away from the plug and one end of the second lead far away from the temperature measuring piece are electrically connected with the negative electrode end of the battery body, and one end of the positive electrode lead far away from the plug is electrically connected with the positive electrode end of the battery body; the temperature measuring piece is installed in the shell and used for measuring the temperature of the battery body.
Optionally, the temperature measuring piece is attached to the battery body.
According to the utility model, the exposed wire core is formed on the temperature measuring wire by stripping part of the outer skin of the temperature measuring wire, and after the first wire of the temperature measuring piece is attached to the exposed wire core, the exposed wire core is sealed by a first insulating sleeve sleeved on the first wire and the temperature measuring wire; therefore, the first wire and the temperature measuring wire can be electrically connected without welding, the connection firmness and strength between the first wire and the temperature measuring wire are ensured, and the flatness of the connection part between the first wire and the temperature measuring wire is ensured.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a temperature measurement joint according to a first embodiment of the present utility model;
fig. 2 is a front view of a battery pack provided by a first embodiment of the present utility model;
fig. 3 is a top view of a battery pack according to a first embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a temperature measuring joint; 11. a plug; 12. a temperature measuring member; 121. a first wire; 122. a second wire; 13. a first insulating shrink tube; 14. a positive electrode lead; 15. a negative electrode lead; 16. a temperature measuring wire; 161. exposing the wire core; 17. a conductive sheet; 18. a second insulating shrink tube; 2. a battery pack; 21. a housing; 22. a battery body.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1, an embodiment of the present utility model provides a temperature measuring joint 1, which includes a plug 11, a temperature measuring member 12, a first insulating shrinkage tube 13, and a positive electrode lead 14, a negative electrode lead 15 and a temperature measuring lead 16 all electrically connected to the plug 11; a first wire 121 and a second wire 122 are arranged on the temperature measuring piece 12; it will be appreciated that the temperature measuring member 12 includes, but is not limited to, a thermistor, a temperature measuring probe, etc., and the first insulating shrink tube 13 includes, but is not limited to, an insulating rubber tube, etc., and the positive electrode lead 14, the negative electrode lead 15, and the temperature measuring lead 16 are plugged in the plug 11 side by side.
The temperature measurement lead 16 is provided with a bare wire core 161, and one end of the first lead 121, which is far away from the temperature measurement member 12, is attached to the bare wire core 161 and is electrically connected with the temperature measurement lead 16; the first insulation shrink tube 13 is sleeved on the first wire 121 and the temperature measurement wire 16 and is used for sealing the exposed wire core 161; the end of the second wire 122 far away from the temperature measuring part 12 is electrically connected with the negative electrode wire 15. It will be appreciated that a portion of the outer skin of the thermometric conductor 16 may be stripped such that the bare wire core 161 is formed on the thermometric conductor 16, and the first insulating shrink tube 13 is wrapped around a portion of the bare wire core 161.
In the utility model, the exposed wire core 161 is formed on the temperature measuring wire 16 by stripping part of the outer skin of the temperature measuring wire 16, and after the first wire 121 of the temperature measuring piece 12 is attached to the exposed wire core 161, the exposed wire core 161 is sealed by a first insulating sleeve sleeved on the first wire 121 and the temperature measuring wire 16; therefore, the first wire 121 and the temperature measuring wire 16 can be electrically connected without welding, so that the connection firmness and strength between the first wire 121 and the temperature measuring wire 16 are ensured, and the flatness of the connection part between the first wire 121 and the temperature measuring wire 16 is ensured.
In an embodiment, as shown in fig. 1, the temperature measurement connector 1 further includes a conductive sheet 17 and a second insulating shrink tube 18, an end of the second conductive wire 122 away from the temperature measurement member 12 is attached to the conductive sheet 17 and is electrically connected to the conductive sheet 17, and an end of the negative conductive wire 15 away from the plug 11 is attached to the conductive sheet 17 and is electrically connected to the conductive sheet 17; it will be appreciated that the second insulating shrink tube 18 includes, but is not limited to, an insulating rubber tube, etc., and the conductive sheet 17 may be made of a conductive material such as copper, tin, iron, etc.
The second insulation shrink tube 18 is sleeved on the conductive sheet 17, the second conductive wire 122 and the negative conductive wire 15, and the second insulation shrink tube 18 is used for sealing the connection parts of the second conductive wire 122, the negative conductive wire 15 and the conductive sheet 17. As will be appreciated, the second insulating shrink tube 18 is sleeved on a portion of the conductive sheet 17, and the second insulating shrink tube 18 is sleeved between the second insulating shrink tube 18 and the second conductive wire 122, so that the conductive sheet 17 has an exposed portion, and the exposed portion of the conductive sheet 17 can be electrically connected to the negative electrode terminal of the battery body 22. In this embodiment, the second conductive wire 122 is electrically connected to the negative conductive wire 15 through the conductive sheet 17, and the conductive sheet 17 facilitates the electrical connection between the negative conductive wire 15 and the negative terminal of the battery body 22.
In one embodiment, as shown in fig. 1, the second wire 122 and the negative wire 15 are welded on the conductive sheet 17, so as to ensure the firmness of connecting the second wire 122 and the negative wire 15 to the conductive sheet 17.
In one embodiment, as shown in fig. 1 and 2, the conductive sheet 17 is a soldering tab. It will be appreciated that the tab is made of tin material and that the tab is conveniently welded to the negative end of the cell body 22.
In one embodiment, the distance between the end of the temperature measuring wire 16 away from the plug 11 and the exposed wire core 161 is 9 mm-11 mm (e.g., 9.5mm, 10mm, 10.5mm, etc.); the length of the exposed wire core 161 is 2 mm-4 mm (for example, 2.5mm, 3mm, 3.5mm, etc.); in this embodiment, by controlling the length of the exposed core 161, the electrical connection stability between the first wire 121 and the exposed core 161 is ensured, and meanwhile, the integrity of the temperature measurement wire 16 is also ensured as much as possible.
As shown in fig. 2 and 3, another embodiment of the present utility model further provides a battery assembly, including a battery pack 2 and the above-mentioned temperature measuring joint 1; the battery pack 2 comprises a shell 21 and a battery body 22 arranged in the shell 21, wherein one end of the negative electrode lead 15, which is far away from the plug 11, and one end of the second lead 122, which is far away from the temperature measuring piece 12, are electrically connected with the negative electrode end of the battery body 22, and one end of the positive electrode lead 14, which is far away from the plug 11, is electrically connected with the positive electrode end of the battery body 22; the temperature measuring member 12 is installed in the housing 21 and serves to measure the temperature of the battery body 22. As will be appreciated, the negative electrode lead 15 and the second lead 122 are electrically connected to the negative electrode end of the battery body 22 through the conductive sheet 17, and the conductive sheet 17 may be welded to the negative electrode end of the battery body 22.
Specifically, the negative electrode lead 15, the positive electrode lead 14 and the temperature measurement lead 16 all extend into the housing 21 at the end far away from the plug 11; when the plug 11 is plugged on an external control board, the battery body 22 can be electrified to the control board through the positive electrode lead 14 and the negative electrode lead 15, the control board can measure the temperature of the battery body 22 in real time through the temperature measuring lead 16 and the temperature measuring piece 12, and when the temperature of the battery body 22 is detected to be higher than the preset temperature, the control board can control the battery body 22 to stop charging and discharging, so that the safety of the battery pack 2 is ensured.
In one embodiment, as shown in fig. 2 and 3, the temperature measuring member 12 is attached to the battery body 22. It will be appreciated that the fast temperature measuring member 12 is attached to the battery body 22 and is located in the housing 21, so that the accuracy of the measurement of the battery body 22 by the temperature measuring member 12 is ensured.
The above embodiments of the temperature measuring joint of the present utility model are only examples, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The temperature measuring connector is characterized by comprising a plug, a temperature measuring piece, a first insulating shrinkage tube, and a positive electrode wire, a negative electrode wire and a temperature measuring wire which are all electrically connected with the plug; the temperature measuring piece is provided with a first wire and a second wire;
the temperature measuring wire is provided with a bare wire core, and one end of the first wire, which is far away from the temperature measuring piece, is attached to the bare wire core and is electrically connected with the temperature measuring wire; the first insulation shrink tube is sleeved on the first lead and the temperature measuring lead and is used for sealing the exposed wire core; and one end of the second lead far away from the temperature measuring piece is electrically connected with the negative electrode lead.
2. The temperature measurement joint of claim 1 further comprising a conductive sheet and a second insulating shrink tube, an end of the second wire distal from the temperature measurement member being attached to the conductive sheet and electrically connected to the conductive sheet, an end of the negative wire distal from the plug being attached to the conductive sheet and electrically connected to the conductive sheet;
the second insulating shrink tube is sleeved on the conducting strip, the second conducting wire and the negative electrode conducting wire, and the second insulating shrink tube is used for sealing the junction of the second conducting wire, the negative electrode conducting wire and the conducting strip.
3. The temperature measurement joint of claim 2 wherein the second wire and the negative wire are both welded to the conductive sheet.
4. The temperature measurement joint of claim 2 wherein the conductive strip is a solder strip.
5. The temperature measurement connector of claim 1, wherein a distance between an end of the temperature measurement wire remote from the plug and the bare wire core is 9mm to 11mm.
6. The temperature measurement joint of claim 1, wherein the length of the exposed wire core is 2mm to 4mm.
7. The temperature measurement joint of claim 1 wherein the temperature measurement member is a thermistor.
8. A battery assembly comprising a battery pack and a temperature measuring joint as claimed in any one of claims 1 to 7; the battery pack comprises a shell and a battery body arranged in the shell, wherein one end of the negative electrode lead far away from the plug and one end of the second lead far away from the temperature measuring piece are electrically connected with the negative electrode end of the battery body, and one end of the positive electrode lead far away from the plug is electrically connected with the positive electrode end of the battery body; the temperature measuring piece is installed in the shell and used for measuring the temperature of the battery body.
9. The battery assembly of claim 8, wherein the temperature measurement member is attached to the battery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322099112.4U CN220650841U (en) | 2023-08-04 | 2023-08-04 | Temperature measurement connects and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322099112.4U CN220650841U (en) | 2023-08-04 | 2023-08-04 | Temperature measurement connects and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650841U true CN220650841U (en) | 2024-03-22 |
Family
ID=90290882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322099112.4U Active CN220650841U (en) | 2023-08-04 | 2023-08-04 | Temperature measurement connects and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650841U (en) |
-
2023
- 2023-08-04 CN CN202322099112.4U patent/CN220650841U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |