CN108963484B - Heavy current guide member and vehicle-mounted charger with same - Google Patents
Heavy current guide member and vehicle-mounted charger with same Download PDFInfo
- Publication number
- CN108963484B CN108963484B CN201810898306.1A CN201810898306A CN108963484B CN 108963484 B CN108963484 B CN 108963484B CN 201810898306 A CN201810898306 A CN 201810898306A CN 108963484 B CN108963484 B CN 108963484B
- Authority
- CN
- China
- Prior art keywords
- copper bar
- circuit board
- copper
- vertical section
- output connector
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052802 copper Inorganic materials 0.000 claims abstract description 76
- 239000010949 copper Substances 0.000 claims abstract description 76
- 238000003466 welding Methods 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 238000001914 filtration Methods 0.000 abstract description 6
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000005476 soldering Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- 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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
-
- 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
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
-
- 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 heavy current diversion member and a vehicle-mounted charger with the same, wherein the heavy current diversion member is provided with a strip-shaped copper bar (1), the middle part of the copper bar is bent at 90 degrees, the copper bar is divided into a copper bar horizontal section (2) and a copper bar vertical section (3), a first through hole (4) is formed in the end part of the copper bar horizontal section and is used for being in threaded connection with a copper column (5) of an output connector, a plurality of comb-tooth-shaped welding feet (6) are arranged in the end part of the copper bar vertical section, and the welding feet penetrate through a circuit board (7) from bottom to top and are welded with the circuit board; compared with the prior art, the invention has reliable contact, no installation stress, no over-high impedance, good flow guiding effect, filtering function and EMC electromagnetic interference resistance, and can be widely applied to vehicle-mounted battery charger OBC, voltage converter DCDC and related integrated products.
Description
Technical Field
The invention relates to charging equipment, in particular to a high-current diversion member and a DCDC assembly of a vehicle-mounted charger with the diversion member.
Background
Along with the requirements of energy conservation and emission reduction and atmospheric pollution control, new energy automobiles are gradually commercially available in markets, and electric automobiles are the main force armies of the new energy automobiles. The vehicle-mounted charger and the DCDC converter of the electric automobile, and the integration of the vehicle-mounted charger and the DCDC converter are important components in the electric automobile, and on a circuit board, a conversion circuit converts alternating current (or direct current) into direct current with proper amplitude and then externally outputs electric energy through a high-current diversion member connection socket. The existing flow guiding component is a copper bar, and both ends of the copper bar are fixed by screws. Firstly, a circuit board is arranged on a shell, one end of a copper bar is screwed on the circuit board, one end of the copper bar is screwed on a copper column of an output connector, the copper bar has the tendency of rotation and prying when screws are screwed, great stress exists between the copper bar and the copper column and between the copper bar and the circuit board, the hidden trouble of poor contact and functional failure is easily caused, and meanwhile, the copper bar cannot be well attached to the copper column, so that the contact resistance is excessively high; and the existing diversion member has no electromagnetic interference resistance function.
Therefore, there is a need in the art to develop a high current guiding member with reliable contact, no installation stress, filtering function and electromagnetic interference resistance.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a high-current diversion component with reliable contact, no installation stress and electromagnetic interference resistance.
In order to solve the technical problems, the technical scheme provided by the invention is to design a heavy current diversion component which is provided with a strip-shaped copper bar, wherein the middle part of the copper bar is bent at 90 degrees to divide the copper bar into a copper bar horizontal section and a copper bar vertical section, the end part of the copper bar horizontal section is provided with a first through hole for being in threaded connection with a copper column of a heavy current output connector, and the end part of the copper bar vertical section is provided with a plurality of comb-tooth-shaped welding feet which penetrate through a circuit board from bottom to top and are welded with the circuit board.
And a ring-shaped filter magnetic core is sleeved outside the vertical section of the copper bar.
The filter magnetic core can be adhered to the copper bar vertical section by using adhesive; the filter magnetic core can also be fixed in a lantern ring, and the lantern ring is clamped on the vertical section of the copper bar by interference fit; the vertical section of the copper bar can be also connected with a base in a clamping mode, a clamping head is erected on the base, and the filter magnetic core is clamped on the base through the clamping head.
The heavy current water conservancy diversion component still includes an EMC filtering current board, and the tip of this EMC filtering current board is equipped with the second through-hole, the second through-hole with first through-hole is coaxial to be placed, is convenient for pile copper bar and EMC filtering current board together and carry out the spiro union with the copper post of output connector.
The invention also designs a vehicle-mounted charger which comprises a shell, a circuit board fixed in the shell and an output connector fixed on the side wall of the shell, wherein one end of the output connector is a copper column, and the vehicle-mounted charger adopts the high-current flow guiding component to connect the circuit board and the output connector.
The circuit board is fixed on the support columns through screws; the support column lifts the circuit board, so that the position of the circuit board is slightly lower than the position of the end of the welding pin, and the welding pin is welded on the circuit board.
A plurality of supporting feet for supporting the heavy current diversion member are erected on the bottom plate of the shell so as to firmly support the heavy current diversion member.
Compared with the prior art, the invention has reliable contact, no installation stress, no over-high impedance, good flow guiding effect, filtering function and EMC electromagnetic interference resistance, and can be widely applied to vehicle-mounted battery charger OBC, voltage converter DCDC and related integrated products.
Drawings
FIG. 1 is a schematic view of a copper bar according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram showing a combination of copper bars and a filter core according to a preferred embodiment of the present invention;
FIG. 3 is a schematic diagram of an EMC filter current board according to a preferred embodiment of the invention;
FIG. 4 is a schematic diagram showing the connection of the housing and the output connector according to the preferred embodiment of the present invention;
FIG. 5 is a schematic view of a copper bar and a filter core mounted in a housing according to a preferred embodiment of the present invention;
FIG. 6 is a schematic diagram of a copper bar, a filter core and an EMC filter current board mounted in a housing according to a preferred embodiment of the present invention;
FIG. 7 is a schematic diagram of the output connector in threaded connection with the copper bar and EMC filter current board according to the preferred embodiment of the present invention;
fig. 8 is a schematic diagram of a copper bar connection circuit board according to a preferred embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. 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 invention.
The invention discloses a heavy current diversion member, which is shown in fig. 1, and is provided with a strip-shaped copper bar 1, wherein the middle part of the copper bar is bent at 90 degrees to divide the copper bar into a copper bar horizontal section 2 and a copper bar vertical section 3, the end part of the copper bar horizontal section is provided with a first through hole 4 for being screwed with a copper column 5 of an output connector, the end part of the copper bar vertical section is provided with a plurality of comb-shaped welding feet 6, and the welding feet penetrate a circuit board 7 from bottom to top and are welded with the circuit board. With this structure, each part is compact, and the volume of the device can be greatly reduced. The contact is reliable after installation, no installation stress, no over-high impedance and good flow guiding effect.
Referring to the preferred embodiment shown in fig. 2, the copper bar vertical section is wrapped with a ring-shaped filter core 8. The filter core can suppress surge in the charging line, protecting the charging circuit and the battery.
There are various ways of fixing the filter core 8 and the copper bars, and in one embodiment the filter core 8 is glued to the copper bar vertical section 2. The figures are not given for this example.
In another embodiment, the filter core 8 is fixed in a collar which is clamped on the copper bar vertical section 2 by interference fit. The figures are not given for this example.
In the preferred embodiment shown in fig. 2, a base 9 is clamped to the vertical copper bar section 3, on which a clamping head 9a is arranged, and the filter core 8 is clamped to the base by the clamping head.
In the preferred embodiment the high current diversion means further comprises an EMC filter current board 10, as shown in fig. 3. The EMC filter current board is connected with the output power supply and the ground, so that an EMC electromagnetic interference resistance function can be realized, and the product runs in an electromagnetic environment according with requirements and does not interfere any equipment in the environment. Referring to fig. 6, the end of the EMC filter current board is provided with a second through hole 11, and the second through hole and the first through hole 4 are coaxially placed, so that the copper bar 1 and the EMC filter current board are stacked together to be screwed with the copper pillar 5 of the output connector, and meanwhile, the EMC filter current board is electrically connected with the output circuit. Fig. 7 shows a schematic of the output connector screwed to the copper bar and EMC filter current board.
The vehicle-mounted charger comprises a shell 12, a circuit board 7 fixed in the shell and an output connector fixed on the side wall of the shell, wherein one end of the output connector is a copper column 5, and the circuit board and the output connector are connected by adopting the high-current diversion component. Fig. 4 shows a schematic connection of the housing and the output connector, wherein the copper post 5 of the output connector is provided with a threaded hole. Fig. 5 shows a schematic view of the mounting of copper bars and a filter core in a housing. Referring to fig. 8, after the copper bars, the filter core and the EMC filter current board are mounted, the circuit board 7 is lowered from above, the soldering feet 6 penetrate the circuit board, the circuit board is fixed, and the soldering feet 6 are soldered on the circuit board. The installation of the high-current diversion component benefits from the improvement of the processing precision of the modern industry. The shell 12, the circuit board 7 and the output connector are high in size and drilling precision, and after the shell 12, the circuit board 7 and the output connector are assembled, the end parts of the welding pins 6 are just exposed out of the circuit board for a small section, so that the structure is convenient for welding. By adopting the structure, the product is very compact, the layout is scientific and reasonable, the guide member is reliably contacted, no installation stress exists, the excessively high impedance exists, the guide effect is good, and the filter function and the EMC electromagnetic interference resistance function are realized.
Referring to fig. 4, a plurality of support posts 13 are provided on the inner side wall of the housing 12, screw holes are provided at the ends of the support posts, and the circuit board 7 is fixed on the support posts by screws; the support column lifts the circuit board, and the position of the circuit board is slightly lower than the position of the end of the welding pin 6, so that the welding pin can be welded on the circuit board.
In the preferred embodiment, a plurality of support feet 14 for supporting the heavy current diverting member are erected on the bottom plate of the housing 12 to firmly support the heavy current diverting member.
The above examples are illustrative only and are not intended to be limiting. Any equivalent modifications or variations to the present application without departing from the spirit and scope of the present application are intended to be included within the scope of the claims of the present application.
Claims (4)
1. A high current diversion member, characterized in that: the copper bar is provided with a strip-shaped copper bar (1), the middle part of the copper bar is bent at 90 degrees, the copper bar is divided into a copper bar horizontal section (2) and a copper bar vertical section (3), a first through hole (4) is formed in the end part of the copper bar horizontal section and is used for being in threaded connection with a copper column (5) of an output connector, a plurality of comb-tooth-shaped welding feet (6) are arranged in the end part of the copper bar vertical section, and the welding feet penetrate through a circuit board (7) from bottom to top and are welded with the circuit board;
the system further comprises an EMC filter current board (10), wherein the EMC filter current board is connected with an output power supply and the ground, a second through hole (11) is formed in the end part of the EMC filter current board, the second through hole and the first through hole (4) are coaxially arranged, copper bars (1) and the EMC filter current board are conveniently stacked together and are in threaded connection with copper columns (5) of the output connector, and electric connection between the EMC filter current board and an output circuit is completed;
a ring-shaped filter magnetic core (8) is sleeved outside the vertical section of the copper bar;
the filter magnetic core (8) is adhered to the copper bar vertical section (2) by using adhesive;
the filter magnetic core (8) is fixed in a lantern ring, and the lantern ring is clamped on the copper bar vertical section (2) by interference fit;
a base (9) is clamped on the copper bar vertical section (3), a clamping head (9 a) is erected on the base, and the filter magnetic core (8) is clamped on the base through the clamping head.
2. The utility model provides a vehicle-mounted machine that charges, includes casing (12), fixes circuit board (7) in the casing, fixes the output connector on the casing lateral wall, output connector's one end is copper post (5), its characterized in that: a high current diversion member as defined in claim 1 is employed to connect the circuit board and the output connector.
3. The vehicle-mounted charger of claim 2, wherein: the inner side wall of the shell (12) is provided with a plurality of support columns (13), screw holes are formed in the end parts of the support columns, and the circuit board (7) is fixed on the support columns through screws; the support column lifts the circuit board, and the position of the circuit board is slightly lower than the position of the end of the welding pin (6), so that the welding pin can be welded on the circuit board.
4. The vehicle-mounted charger of claim 3, wherein: a plurality of supporting feet (14) for supporting the heavy current diversion component are erected on the bottom plate of the shell (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898306.1A CN108963484B (en) | 2018-08-08 | 2018-08-08 | Heavy current guide member and vehicle-mounted charger with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898306.1A CN108963484B (en) | 2018-08-08 | 2018-08-08 | Heavy current guide member and vehicle-mounted charger with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108963484A CN108963484A (en) | 2018-12-07 |
| CN108963484B true CN108963484B (en) | 2024-01-26 |
Family
ID=64467914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810898306.1A Active CN108963484B (en) | 2018-08-08 | 2018-08-08 | Heavy current guide member and vehicle-mounted charger with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108963484B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916926A (en) * | 2019-05-09 | 2020-11-10 | 博格华纳公司 | Electric connector and control valve comprising same |
| CN110154800A (en) * | 2019-05-23 | 2019-08-23 | 深圳威迈斯新能源股份有限公司 | Vehicular charger inner mounting structure and Vehicular charger |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478503U (en) * | 2009-06-09 | 2010-05-19 | 艾默生网络能源***北美公司 | Power-supply connector |
| CN201584861U (en) * | 2009-12-21 | 2010-09-15 | 东莞市瑞柯电机有限公司 | EMC filter circuit board welded on motor |
| CN202695885U (en) * | 2012-07-13 | 2013-01-23 | 海韵电子工业股份有限公司 | Filtering connector |
| CN203942747U (en) * | 2014-07-08 | 2014-11-12 | 安徽金峰新能源股份有限公司 | The fixed copper bar of magnet ring |
| CN104600969A (en) * | 2015-01-06 | 2015-05-06 | 江苏东方四通科技股份有限公司 | High-power switching power supply output filtering device |
| CN204316942U (en) * | 2014-12-26 | 2015-05-06 | 上海埃德电子股份有限公司 | A kind of 500 kilowatts of modular electromagnetic interference filters |
| CN207318575U (en) * | 2017-10-24 | 2018-05-04 | 启东双赢电子科技有限公司 | A kind of dot matrix open loop large current sensor |
| CN208596803U (en) * | 2018-08-08 | 2019-03-12 | 深圳威迈斯新能源股份有限公司 | High current air guide and Vehicular charger with the air guide |
-
2018
- 2018-08-08 CN CN201810898306.1A patent/CN108963484B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478503U (en) * | 2009-06-09 | 2010-05-19 | 艾默生网络能源***北美公司 | Power-supply connector |
| CN201584861U (en) * | 2009-12-21 | 2010-09-15 | 东莞市瑞柯电机有限公司 | EMC filter circuit board welded on motor |
| CN202695885U (en) * | 2012-07-13 | 2013-01-23 | 海韵电子工业股份有限公司 | Filtering connector |
| CN203942747U (en) * | 2014-07-08 | 2014-11-12 | 安徽金峰新能源股份有限公司 | The fixed copper bar of magnet ring |
| CN204316942U (en) * | 2014-12-26 | 2015-05-06 | 上海埃德电子股份有限公司 | A kind of 500 kilowatts of modular electromagnetic interference filters |
| CN104600969A (en) * | 2015-01-06 | 2015-05-06 | 江苏东方四通科技股份有限公司 | High-power switching power supply output filtering device |
| CN207318575U (en) * | 2017-10-24 | 2018-05-04 | 启东双赢电子科技有限公司 | A kind of dot matrix open loop large current sensor |
| CN208596803U (en) * | 2018-08-08 | 2019-03-12 | 深圳威迈斯新能源股份有限公司 | High current air guide and Vehicular charger with the air guide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108963484A (en) | 2018-12-07 |
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| CB02 | Change of applicant information | ||
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Address after: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Applicant after: Shenzhen Vmax Power Co.,Ltd. Address before: 518000, 5 floor, Fengyun mansion, five road north, Nanshan District science and Technology Park, Shenzhen, Guangdong Applicant before: Shenzhen Vmax Power Co.,Ltd. |
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