CN111129893A - Connecting device for over-current of vehicle-mounted charger - Google Patents
Connecting device for over-current of vehicle-mounted charger Download PDFInfo
- Publication number
- CN111129893A CN111129893A CN201911410328.XA CN201911410328A CN111129893A CN 111129893 A CN111129893 A CN 111129893A CN 201911410328 A CN201911410328 A CN 201911410328A CN 111129893 A CN111129893 A CN 111129893A
- Authority
- CN
- China
- Prior art keywords
- copper bar
- vehicle
- connecting device
- mounted charger
- excessive current
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052802 copper Inorganic materials 0.000 claims abstract description 54
- 239000010949 copper Substances 0.000 claims abstract description 54
- 239000004033 plastic Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a connecting device for an excessive current used by a vehicle-mounted charger, which comprises a shell, a circuit board and a connector, wherein the side part of the shell is provided with a slot for inserting a first end of a conductive copper bar of the connector, the first end of the conductive copper bar of the connector is connected with a first end of a switching copper bar through a first fastener after being inserted into the shell, a second end of the switching copper bar is connected with the circuit board through a second fastener, and the switching copper bar is utilized to realize electrical conduction between the circuit board and the connector.
Description
Technical Field
The invention relates to a high-current diversion connecting device for a vehicle-mounted vehicle motor, which is suitable for vehicle-mounted charger OBC and converter DCDC equipment.
Background
With the development of the new energy automobile industry, the market of a high-voltage connector is gradually expanded, the high-voltage connector is an important part in an OBC (on-board battery) and DCDC (direct current-direct current) converter and an electric control product of a vehicle-mounted charger, the existing design is generally fixed by rigid connection of copper columns and the like, the requirement on dimensional tolerance control of the copper columns and a shell is strict, and a circuit board is subjected to large stress due to manufacturing tolerance; meanwhile, under the working state of the product, the vibration impact is large, and the rigid connection can cause large stress damage to the circuit board; and the high-voltage connector at home and abroad has higher cost at present.
Disclosure of Invention
The present invention is directed to solve the above-mentioned problems and provide a connecting device for an on-board charger using an excessive current.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the utility model provides a vehicle-mounted battery charger is with connecting device of too big current, its characterized in that, includes casing, circuit board and connector, the lateral part of casing is provided with the first end male slot of the conductive copper bar that supplies the connector, the first end of the conductive copper bar of connector is inserted and is connected with the first end of switching copper bar through first fastener behind the casing, the second end of switching copper bar with the circuit board passes through the second fastener and connects, utilizes the switching copper bar to make realize electric conduction between circuit board and the connector.
In a preferred embodiment of the present invention, the switching copper bar is S-shaped as a whole.
In a preferred embodiment of the present invention, a positioning nut is fixedly disposed in the housing, and the first fastening member is a first bolt engaged with the positioning nut.
In a preferred embodiment of the present invention, a rivet pressing nut is fixed to the second end of the adapter copper bar, and the second fastener is a second bolt engaged with the rivet pressing nut.
In a preferred embodiment of the invention, the connector includes a conductive copper bar and a plastic body, the plastic body is connected with the second end of the conductive copper bar through injection insert molding, the plastic body is further internally provided with a nested nut correspondingly connected with the second end of the conductive copper bar, and the middle of the conductive copper bar is provided with an arc-shaped section and is embedded in the plastic body.
In a preferred embodiment of the present invention, a sealing ring is disposed at a connection between the plastic body and the conductive copper bar.
In a preferred embodiment of the present invention, the plastic body includes a body portion for receiving the nesting nut and the second end of the copper busbar, and a connecting portion connected to one side of the body portion for connecting with the housing.
In a preferred embodiment of the present invention, a reinforcing rib is provided between the body portion and the connecting portion.
In a preferred embodiment of the present invention, fastener attachment holes are provided at both sides of the attachment portion.
In a preferred embodiment of the present invention, the plastic body is made of nylon material.
Due to the adoption of the technical scheme, the structure is reliable in installation, and the switching copper bar is utilized to realize electrical conduction between the circuit board and the connector; and the switching copper bar sets up to the S type, can reduce the installation stress, through bolt fastening structure spare, guarantees that too big electric current reliably connects, and the water conservancy diversion performance is good, can be extensive apply to the application of on-vehicle machine OBC that charges and converter DCDC and relevant product. In addition, the connector is formed by injection molding and insert molding, and has the advantages of simple structural design, simple manufacturing process, good product reliability and low cost. And the middle part of the conductive copper bar is set to be an arc-shaped section, so that the mounting stress can be reduced to a certain extent, and the stress generated by the product under the working condition of the automobile can be relieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 drawings without creative efforts.
Fig. 1 is an exploded view of one embodiment of the present invention.
Fig. 2 is a schematic structural view (circuit board omitted) of fig. 1 after assembly.
Fig. 3 is a schematic diagram of an application state of an embodiment of the present invention.
Fig. 4 is a schematic structural view of an adapter copper bar according to an embodiment of the invention.
Fig. 5 is a perspective view of a connector according to an embodiment of the present invention.
Fig. 6 is an exploded schematic view of the structure of fig. 5.
Fig. 7 is a schematic structural diagram of a conductive copper bar of the connector according to an embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Referring to fig. 1 to 3, the connecting device for the excessive current used by the vehicle-mounted charger includes a housing 500, a circuit board 600 and a connector 1, a slot 510 for inserting the first end 110 of the conductive copper bar 100 of the connector 1 is disposed on a side portion of the housing 500, the first end 110 of the conductive copper bar 100 of the connector 1 is inserted into the housing 500 and then connected to the first end 710 of the adapting copper bar 700 through a first fastener 11, the second end 720 of the adapting copper bar 700 is connected to the circuit board 600 through a second fastener 12, and the adapting copper bar 700 is used to electrically connect the circuit board 600 and the connector 1.
The positioning nut 800 is fixedly arranged in the casing 500, specifically, the square groove 520 is arranged in the casing 500, and the positioning nut 800 is a square nut and can be embedded in the square groove 520 without rotating.
As shown in fig. 4, in the present embodiment, the entire adapter copper bar 700 is S-shaped, so as to reduce the installation stress. A press-riveting nut 721 is fixed on the second end 720 of the switching copper bar 700.
The first fastening member 11 and the second fastening member 12 in this embodiment are respectively a first bolt and a second bolt, and the first bolt passes through the first end 710 of the adapting copper bar 700 and the first end 110 of the conductive copper bar 100 and then is fixed to the positioning nut 800. And the second bolt passes through the circuit board 600 and the second end 720 of the adapting copper bar 700 and then is fixed with the press-riveting nut 721. The bolt is used for fixing the structural part, so that reliable connection of overlarge current is guaranteed, the flow conductivity is good, and the bolt can be widely applied to the OBC of a vehicle-mounted charger, the DCDC of a converter and related products.
Referring to fig. 5 to 7, the connector 1 includes a conductive copper bar 100 and a plastic body 200, and the plastic body 200 is made of nylon material and has a certain insulating property. The plastic body 200 is connected to the second end 120 of the copper bar 100 by injection molding, and the second end 120 is provided with a connecting hole 121. The plastic body 200 in this embodiment includes a body portion 210 and a connecting portion 220, the body portion 210 and the connecting portion 220 are integrally formed, the body portion 210 is configured to accommodate the nesting nut 300 and the second end 120 of the conductive copper bar, and the connecting portion 220 is disposed on one side of the body portion 210 and configured to be connected to the housing 500. In order to increase the strength between the body portion 210 and the connection portion 220, a reinforcing rib 230 is provided between the body portion 210 and the connection portion 220. Both sides of the connection part 220 are provided with fastener connection holes 221 and are configured with connection nuts 240, facilitating assembly with the case 500 using bolts.
The middle of the conductive copper bar 100 is set to be an arc-shaped section 101, the arc-shaped section 101 is also embedded inside the plastic body 200 when the plastic body is injection molded, and the first end 110 of the conductive copper bar 100 is provided with a connecting hole 111.
The sealing ring 400 is arranged at the joint between the plastic body 200 and the conductive copper bar 100, so that the sealing effect is ensured, and the sealing performance can reach the requirement standard of the automobile industry.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a vehicle-mounted battery charger is with connecting device of too big current, its characterized in that, includes casing, circuit board and connector, the lateral part of casing is provided with the first end male slot of the conductive copper bar that supplies the connector, the first end of the conductive copper bar of connector is inserted and is connected with the first end of switching copper bar through first fastener behind the casing, the second end of switching copper bar with the circuit board passes through the second fastener and connects, utilizes the switching copper bar to make realize electric conduction between circuit board and the connector.
2. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 1, wherein the whole of the switching copper bar is S-shaped.
3. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 1, wherein a positioning nut is fixedly arranged in the housing, and the first fastening piece is a first bolt matched with the positioning nut.
4. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 1, wherein a rivet pressing nut is fixed to a second end of the adapting copper bar, and the second fastener is a second bolt matched with the rivet pressing nut.
5. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 1, wherein the connector comprises a conductive copper bar and a plastic body, the plastic body is connected with the second end of the conductive copper bar through injection insert molding, a nested nut correspondingly connected with the second end of the conductive copper bar is further arranged inside the plastic body, and the middle of the conductive copper bar is arranged into an arc-shaped section and is embedded inside the plastic body.
6. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 5, wherein a sealing ring is arranged at the joint between the plastic body and the conductive copper bar.
7. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 5, wherein the plastic body comprises a body portion for accommodating the nested nut and the second end of the conductive copper bar and a connecting portion connected to one side of the body portion for connecting with the housing.
8. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 7, wherein a reinforcing rib is arranged between the body part and the connecting part.
9. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 7, characterized in that fastener connecting holes are arranged on two sides of the connecting portion.
10. The connecting device for the excessive current used by the vehicle-mounted charger according to claim 5, wherein the plastic body is made of a nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410328.XA CN111129893A (en) | 2019-12-31 | 2019-12-31 | Connecting device for over-current of vehicle-mounted charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911410328.XA CN111129893A (en) | 2019-12-31 | 2019-12-31 | Connecting device for over-current of vehicle-mounted charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111129893A true CN111129893A (en) | 2020-05-08 |
Family
ID=70506284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911410328.XA Pending CN111129893A (en) | 2019-12-31 | 2019-12-31 | Connecting device for over-current of vehicle-mounted charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111129893A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900585A (en) * | 2020-07-30 | 2020-11-06 | 深圳市国天电子股份有限公司 | Free-moving large-current insulating base and automobile |
| CN116567980A (en) * | 2023-06-16 | 2023-08-08 | 江苏由甲申田新能源科技有限公司 | Shunt fixing device and installation method for reducing contact resistance |
| CN118156834A (en) * | 2024-03-26 | 2024-06-07 | 深圳无尽瓦特科技有限公司 | A charging terminal assembly and assembly method thereof, and a charging pile |
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| DE10300696A1 (en) * | 2003-01-10 | 2004-07-22 | Dehn + Söhne Gmbh + Co. Kg | Over-voltage protection terminal e.g. for protection against excess voltages, has coarse- and fine-protection element in cylindrical housing for holding circuit board |
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| KR200480870Y1 (en) * | 2015-04-14 | 2016-07-15 | 엘에스산전 주식회사 | Connector |
| CN106229711A (en) * | 2016-09-27 | 2016-12-14 | 创驱（上海）新能源科技有限公司 | One can protection PCB connection terminal structure |
| CN207098075U (en) * | 2017-08-30 | 2018-03-13 | 浙江赛英电力科技有限公司 | The insulation connection structure of composite bus bar and copper bar |
| CN208655929U (en) * | 2018-08-16 | 2019-03-26 | 深圳巴斯巴科技发展有限公司 | A kind of flexible connection soft busbar seismic structure |
| CN110048258A (en) * | 2019-05-19 | 2019-07-23 | 青岛昌誉密封有限公司 | A kind of sealing device for copper bar connector |
| CN209217334U (en) * | 2019-02-21 | 2019-08-06 | 东莞市海亿机械设备有限公司 | A kind of DC output high-voltage connector |
| CN211295638U (en) * | 2019-12-31 | 2020-08-18 | 创驱（上海）新能源科技有限公司 | Connecting device for over-current of vehicle-mounted charger |
| CN211295460U (en) * | 2019-12-31 | 2020-08-18 | 创驱（上海）新能源科技有限公司 | A kind of interface unit |
-
2019
- 2019-12-31 CN CN201911410328.XA patent/CN111129893A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10300696A1 (en) * | 2003-01-10 | 2004-07-22 | Dehn + Söhne Gmbh + Co. Kg | Over-voltage protection terminal e.g. for protection against excess voltages, has coarse- and fine-protection element in cylindrical housing for holding circuit board |
| CN203071249U (en) * | 2012-11-12 | 2013-07-17 | 芜湖宏宇汽车电子有限责任公司 | Heavy current connector of new energy automobile motor controller |
| CN204516971U (en) * | 2015-03-31 | 2015-07-29 | 深圳市英威腾电动汽车驱动技术有限公司 | A kind of binding post and the combined terminal board of wall-penetrating type |
| KR200480870Y1 (en) * | 2015-04-14 | 2016-07-15 | 엘에스산전 주식회사 | Connector |
| CN106229711A (en) * | 2016-09-27 | 2016-12-14 | 创驱（上海）新能源科技有限公司 | One can protection PCB connection terminal structure |
| CN207098075U (en) * | 2017-08-30 | 2018-03-13 | 浙江赛英电力科技有限公司 | The insulation connection structure of composite bus bar and copper bar |
| CN208655929U (en) * | 2018-08-16 | 2019-03-26 | 深圳巴斯巴科技发展有限公司 | A kind of flexible connection soft busbar seismic structure |
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| CN211295638U (en) * | 2019-12-31 | 2020-08-18 | 创驱（上海）新能源科技有限公司 | Connecting device for over-current of vehicle-mounted charger |
| CN211295460U (en) * | 2019-12-31 | 2020-08-18 | 创驱（上海）新能源科技有限公司 | A kind of interface unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900585A (en) * | 2020-07-30 | 2020-11-06 | 深圳市国天电子股份有限公司 | Free-moving large-current insulating base and automobile |
| CN111900585B (en) * | 2020-07-30 | 2021-10-08 | 深圳市国天电子股份有限公司 | A free-moving high-current insulating seat and automobile |
| CN116567980A (en) * | 2023-06-16 | 2023-08-08 | 江苏由甲申田新能源科技有限公司 | Shunt fixing device and installation method for reducing contact resistance |
| CN116567980B (en) * | 2023-06-16 | 2025-11-21 | 江苏由甲申田新能源科技有限公司 | Shunt fixing device for reducing contact resistance and installation method |
| CN118156834A (en) * | 2024-03-26 | 2024-06-07 | 深圳无尽瓦特科技有限公司 | A charging terminal assembly and assembly method thereof, and a charging pile |
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Application publication date: 20200508 |
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