CN220672796U - Connector and battery pack adopting same - Google Patents
Connector and battery pack adopting same Download PDFInfo
- Publication number
- CN220672796U CN220672796U CN202321908659.8U CN202321908659U CN220672796U CN 220672796 U CN220672796 U CN 220672796U CN 202321908659 U CN202321908659 U CN 202321908659U CN 220672796 U CN220672796 U CN 220672796U
- Authority
- CN
- China
- Prior art keywords
- connector
- base
- battery pack
- circular
- pressure sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect 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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a connector and a battery pack adopting the connector, which are applied to a battery pack assembly and comprise: the connector is fixedly connected to the battery pack through the base; the sealing gasket is arranged between the base and the battery pack; the wiring terminal is provided with a circular through hole on the base, and the wiring terminal penetrates through the circular through hole and is fixedly connected to the base. The connector further comprises a pressure sensor and a sleeve, wherein the sleeve is made of an insulating material, the end face, close to one end of the sealing gasket, of the base is inwards sunken to form a circular concave table, the pressure sensor is arranged in the circular concave table, and the sleeve is arranged between the pressure sensor and the wiring terminal. Through the arrangement, the pressure sensor detects that the pressure data value is abnormal, alarms and prompts a user to check, so that the safety and reliability of the battery pack are improved; meanwhile, the connector provided by the utility model has the advantages of simple and practical structure, simplified manufacturing process and reduced production time.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a connector and a battery pack adopting the connector.
Background
With the vigorous development of new energy industry, the lithium battery of a communication base station power supply, the lithium battery of a marine UPS backup power supply and the like are increasingly demanded for battery packs. The battery packs have different use scenes, some of the battery packs need to be installed indoors, the protection level requirements are not high, and the general IP54 can meet the client requirements; some installation scenes are relatively bad, such as outdoor installation, and the protection level is high, and generally the requirement is more than IP 67. In the prior art on the market, the connector capable of meeting IP67 is many, and the general price is higher, divide into connector plug and connector socket, and on the connector socket needed to install the casing, the connector plug needed to let professional pencil producer make the pencil, increases use cost in the intangible.
Meanwhile, the requirement of IP67 can be ensured in the initial operation period or the quality guarantee period of the battery pack, and the protection capability is reduced along with the increase of the service life. The utility model discloses an electric box structure with high-voltage connector is disclosed to chinese patent of publication No. CN218648094U, including box, high-voltage connector, connector installation panel, high-voltage connector includes stretching into the inside aluminium bar connection structure of box, sets up in the outside switching connection structure of box, fixed plate, aluminium bar connection structure and switching connection structure are connected in the both sides that the fixed plate is relative respectively, and the connector of this kind of structure is along with the increase of service life, and its protective capability necessarily declines to some extent.
The above problems seriously affect the orderly expansion and development of the new energy industry, the cost of the battery pack is greatly reduced, and particularly, how to match the cost in terms of high protection level and long life cycle is important for the battery pack.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a connector capable of monitoring sealing pressure in real time and simple in structure and a battery pack adopting the connector.
A connector for use in an assembly of battery packs, comprising: the connector is fixedly connected to the battery pack through the base; the sealing gasket is arranged between the base and the battery pack; the wiring terminal is provided with a circular through hole on the base, and the wiring terminal penetrates through the circular through hole and is fixedly connected to the base. The connector further comprises a pressure sensor and a sleeve, wherein the sleeve is made of an insulating material, the end face, close to one end of the sealing gasket, of the base is inwards sunken to form a circular concave table, the pressure sensor is arranged in the circular concave table, and the sleeve is arranged between the pressure sensor and the wiring terminal.
In this scheme, through setting up pressure sensor between base and sealed pad, in battery package life cycle, pressure sensor can the continuous transmission pressure data value, if detection device detects pressure data value unusual, the warning suggestion battery package leakproofness is unusual, suggestion user carries out the inspection, has improved the security and the reliability of battery package. Meanwhile, the connector provided by the utility model has the advantages of simple and practical structure, simplified manufacturing process and reduced production time.
Further, the cross section of the base along the horizontal direction is arranged into a triangle with three corners as fillets, and each corner is provided with a mounting hole for fixing the battery pack.
Further, the center line of the circular concave table coincides with the center line of the base.
Further, the pressure sensor is mounted in the circular concave table in a fitting mode, and the thickness of the pressure sensor is larger than the depth of the circular concave table.
Further, the thickness of the base is set to 2-20 mm.
Further, the sleeve is bonded to the terminal by applying a high strength adhesive to the inner peripheral surface.
Further, the inner wall of the circular through hole is coated with high-strength glue, and the sleeve is connected with the circular through hole in an adhesive mode.
Further, the sealing gasket is made of foam or rubber.
A battery pack, wherein the battery pack comprises a connector as in any one of the above.
The utility model has the beneficial effects that:
the connector and the battery pack adopting the connector provided by the utility model have the advantages that the production efficiency is improved, the safety of the use stage is also improved, the user can be early warned in the early stage of failure of the protection grade, and the larger economic loss of the user due to the sealing problem is avoided from the process manufacturing production stage to the product use stage. Meanwhile, the connector is simple in design structure, the overall cost of the connector can be well controlled, and the connector is suitable for large-scale popularization.
Drawings
Fig. 1 is a perspective view of a connector according to the present utility model.
Fig. 2 is an exploded view of the connector according to the present utility model.
Fig. 3 is a front perspective view of a base of the connector according to the present utility model.
Fig. 4 is a back perspective view of a base of the connector according to the present utility model.
Fig. 5 is a perspective view of a pressure sensor of the connector according to the present utility model.
Fig. 6 is a perspective view of a connection terminal of the connector according to the present utility model.
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 be within the scope of the utility model.
A battery pack includes a housing and a connector (1). The connector (1) is fixedly connected to the shell, and the battery pack is electrically connected with the power utilization device through the connector (1) to provide electric energy of the power utilization device. The connector (1) comprises a sleeve (2), a base (3), a pressure sensor (4), a sealing gasket (5) and a wiring terminal (6).
As shown in fig. 1 to 6, in a specific embodiment, the base (3) is triangular, and the thickness may be set to 12mm; a circular through hole (33) is arranged in the center of the base (3); the base (3) is provided with 1 mounting hole (31) at the position close to the three angles, and the diameter of the mounting hole (31) can be set to be 4.5mm; the three corners of the base (3) are rounded. The connector (1) is fixed on the battery pack shell through the 3 mounting holes (31) by bolts, compared with 4 fixed bolt points of the conventional square or rectangular connector, 1 bolt fixing point is reduced, and from the aspects of manufacturing process and production, the manufacturing process is simplified, and the production time is reduced.
The back surface of the base (3) is provided with a circular concave table (32), the diameter of the circular concave table (32) is larger than that of the circular through hole (33), and the radius of the circular concave table (32) is smaller than or equal to the vertical distance from the central line of the circular concave table (32) to the edge line of the base (3). The pressure sensor (4) is arranged in the circular concave table (32), the pressure sensor (4) is composed of a circular ring sensor (41) and a wire harness (42), the diameter of the inner circle of the circular ring sensor (41) is larger than that of the circular through hole (33), and the diameter of the outer circle of the circular ring sensor (41) is smaller than or equal to that of the circular concave table (32). The circular ring sensor (41) is completely attached and installed in the circular concave table (32), and the thickness of the circular ring sensor (41) is slightly larger than the depth of the circular concave table (32) so that the circular ring sensor (41) can monitor the sealing pressure of the base (3). The center line of the circular concave table (32) coincides with the center line of the base (3), and the arrangement mode ensures that the pressure born by the pressure sensor (4) is relatively uniform, thereby being beneficial to improving the accuracy of the monitoring data of the pressure sensor (4).
Binding post (6) are the metal cylinder that has electric conductive property, and the up end is provided with screw hole 2 (63), and the vertical direction of lower part has junction surface (62), and the height of junction surface (62) vertical direction is less than the height of binding post (6), and junction surface (62) width is less than binding post (6) diameter, and junction surface (62) are provided with screw hole 1 (61), and screw hole 1 (61) central line and the central coincidence of junction surface (62), and the diameter of screw hole 1 (61) is less than the width and the height of junction surface (62).
A sleeve (2) is arranged between the wiring terminal (6) and the pressure sensor (4), the diameter of the outer circle of the sleeve (2) is the same as that of the circular through hole (33), the diameter of the inner circle of the sleeve (2) is the same as that of the wiring terminal (6), and the sleeve (2) is made of an insulating material. Binding post (6) are installed in sleeve (2), and the plane is higher than the upper plane of sleeve (2) on binding post (6), and sleeve (2) are installed in circular through-hole (33), and the upper plane of sleeve (2) is higher than the upper plane of base (3). The inner wall of the sleeve (2) is coated with high-strength glue, the connecting terminal (6) is arranged in the sleeve (2), and the connecting terminal (6) can bear 15N.M rotation torsion or more and cannot generate relative displacement in the sleeve (2). The inner wall of the circular through hole (33) is coated with high-strength glue, the sleeve (2) is arranged in the circular through hole (33), and the sleeve (2) can bear 15N.M rotation torsion or more without generating relative displacement with the base (3).
The sealing gasket (5) is made of foam or rubber with a sealing function, the thickness of the sealing gasket (5) is smaller than that of the base (3), and the shape of the sealing gasket (5) is projected in the vertical direction after the base (3) and the sleeve (2) are combined. The sealing gasket (5) is arranged on the lower plane of the base (3).
The connector (1) is arranged on the battery pack shell, the pressure sensor (4) transmits pressure information to the battery pack information detection device through the wire harness (42), so that the pressure of the connector (1) and the mounting surface of the battery pack shell can be monitored in the whole life cycle, and whether the sealing performance of the mounting position of the connector (1) meets the protection requirement is determined.
In a specific embodiment, the pressure sensor (4) transmits pressure information to the battery pack information detection device through the wire harness (42), and when the connector (1) is installed correctly and meets the protection requirement, the pressure data value X transmitted by the pressure sensor (4) should be in a range, which is also a method for detecting tightness in the installation and debugging process. In the whole life cycle of the battery pack, the pressure sensor (4) can continuously transmit the pressure data value, and if the detection device detects that the pressure data value is abnormal, the detection device can give an alarm to prompt that the tightness of the battery pack is abnormal and prompt a user to check.
Specifically, when the pressure value X is detected to be larger than the preset value Ymax, judging that the pressure value is abnormally large, and prompting a user to check the state of the connector; when the pressure value X is detected to be smaller than or equal to Ymax and is larger than or equal to Ymin, the pressure value is normal, and the connector is well sealed; when the pressure value X is detected to be smaller than the preset value Ymin, the pressure value X is judged to be abnormally smaller, and a user is prompted to check the connector state.
In specific application, the connector is put into use, so that the safety of the use stage is improved, a user can be early warned in the early stage of failure of the protection level, and the problem that the user generates larger economic loss due to the sealing property is avoided.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (9)
1. A connector for use in an assembly of battery packs, comprising:
the connector is fixedly connected to the battery pack through the base;
a gasket disposed between the base and the battery pack;
the wiring terminal is provided with a circular through hole, penetrates through the circular through hole and is fixedly connected to the base;
it is characterized in that the method comprises the steps of,
the connector also comprises a pressure sensor and a sleeve, wherein the sleeve is made of an insulating material, a circular concave table is formed by inwards sinking the end face, close to one end of the sealing gasket, of the base, the pressure sensor is arranged in the circular concave table, and the sleeve is arranged between the pressure sensor and the wiring terminal.
2. The connector of claim 1, wherein the base is provided with three triangular corners with rounded corners in a horizontal cross section, and a mounting hole for fixing with the battery pack is formed at each corner.
3. The connector of claim 2, wherein a centerline of the circular recess coincides with a centerline of the base.
4. A connector according to claim 3, wherein the pressure sensor fits snugly within the circular recess, the thickness of the pressure sensor being greater than the depth of the circular recess.
5. The connector of claim 1, wherein the thickness of the base is set to 2-20 mm.
6. The connector according to claim 1, wherein the sleeve is adhesively connected to the connection terminal by applying a high-strength adhesive on an inner peripheral surface.
7. The connector of claim 1, wherein the inner wall of the circular through hole is coated with a high strength glue, and the sleeve and the circular through hole are adhesively connected.
8. The connector of claim 1, wherein the gasket is made of foam or rubber.
9. A battery pack comprising the connector of any one of claims 1 to 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321908659.8U CN220672796U (en) | 2023-07-19 | 2023-07-19 | Connector and battery pack adopting same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321908659.8U CN220672796U (en) | 2023-07-19 | 2023-07-19 | Connector and battery pack adopting same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220672796U true CN220672796U (en) | 2024-03-26 |
Family
ID=90342109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321908659.8U Active CN220672796U (en) | 2023-07-19 | 2023-07-19 | Connector and battery pack adopting same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220672796U (en) |
-
2023
- 2023-07-19 CN CN202321908659.8U patent/CN220672796U/en active Active
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GR01 | Patent grant |