CN210363454U - Connection structure for wireless charging - Google Patents
Connection structure for wireless charging Download PDFInfo
- Publication number
- CN210363454U CN210363454U CN201921064643.7U CN201921064643U CN210363454U CN 210363454 U CN210363454 U CN 210363454U CN 201921064643 U CN201921064643 U CN 201921064643U CN 210363454 U CN210363454 U CN 210363454U
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- CN
- China
- Prior art keywords
- crimping
- wire
- connection structure
- wireless charging
- litz
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- 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.)
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The utility model provides a connection structure for wireless charging, it includes: the litz wire, the wire harness terminal and the PCB; the wire harness terminal includes: a wire harness portion and a crimp portion, the wire harness portion comprising: the litz wire comprises a hollow wire bunching body, a wire pressing end extending from one end of the wire bunching body, and a connecting end extending from the other end of the wire bunching body, wherein the top surface and the bottom surface of the wire bunching body are arc surfaces which are bent in the same direction, the wire bunching body is connected with the crimping part through the connecting end, the litz wire sequentially penetrates through the wire bunching part and the crimping part, the litz wire is bounded by the wire bunching part, the litz wire extends out from a plurality of openings at the end part of the crimping part to form a plurality of crimping ends, a plurality of crimping ports are formed in the PCB, and the crimping ends are connected with the corresponding crimping ports. The utility model discloses a connection structure middle beam terminal for wireless charging passes through crimping mode lug connection with the PCB board, and it is when satisfying the connection reliability, still has the advantage that realizes simple process, lower to the equipment demand.
Description
Technical Field
The utility model relates to an electric automobile technical field especially relates to a connection structure for wireless charging.
Background
With the development of scientific technology and the current situation of coping with environmental problems, new energy automobiles have been rapidly developed in recent years. An electric automobile in the new energy automobile adopts a high-energy-density battery pack as a power source and realizes electric energy conversion by utilizing clean energy. At present, a battery pack of an electric vehicle mainly depends on a charging pile and is charged in a wired mode, but the convenience and the universality of the wired charging mode are limited to a certain extent. Therefore, the existing electric vehicle can be charged by adopting a wireless charging system.
The key technology of wireless charging includes receiving and transmitting, and the connection of the transmitting coil and the receiving coil with the terminal plays a role in energy transfer. Therefore, the energy in the coil needs to be transferred to the PCB, so the reliability of the litz wire terminals and PCB connections is of particular importance. Therefore, it is necessary to provide a further solution for how to improve the reliability of the connection between the two.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connection structure for wireless charging to overcome the not enough that exists among the prior art.
In order to solve the technical problem, the technical scheme of the utility model is that:
a connection structure for wireless charging, comprising: the litz wire, the wire harness terminal and the PCB;
the harness terminal includes: a wire harness and a crimp, the wire harness comprising: hollow bunch body, certainly the last downside that bunch body one end extends sets up relatively the line ball end, certainly the tubaeform link that the bunch body other end extends, the top surface and the bottom surface of bunch body are the arcwall face that the syntropy bending set up, bunch body passes through the link with crimping portion is connected, just bunch and the inside through setting of crimping portion, the litz line passes in proper order bunch portion and crimping portion, the litz line quilt the bunch portion is bound, just the litz line certainly a plurality of openings of crimping portion tip are stretched out and are formed a plurality of crimping ends, a plurality of pressure interfaces have been seted up on the PCB board, the crimping end is connected with the crimping mouth that corresponds through the crimping mode.
As the utility model discloses a connection structure's improvement for wireless charging, beam portion and crimping portion are integrative piece.
As the utility model discloses a connection structure's improvement for wireless charging, the clamp plate that two terminal surfaces extended out about beam portion body one end is for doing respectively from the pressure line end.
As the utility model discloses a connection structure's improvement for wireless charging, the transverse section of crimping end is for being suitable for the rectangle of crimping, press the interface be for be suitable for with crimping end interference fit keeps external circular rather than.
As the utility model discloses a connection structure's improvement for wireless charging, still be provided with in the crimping portion and be suitable for the litz wire certainly the trough that a plurality of openings of crimping portion tip stretch out.
As the utility model discloses a connection structure's improvement for wireless charging, the angle between bunch terminal and the PCB board is 90 or 180.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a connection structure middle beam terminal for wireless charging passes through crimping mode lug connection with the PCB board, and it is when satisfying the connection reliability, still has the realization simple process, to the lower advantage of equipment demand, and can overcome connection methods such as welding and cause the problem of litz line damage easily.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in 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 a schematic plan view of an embodiment of a connection structure for wireless charging according to the present invention, wherein an angle between a wire harness terminal and a PCB is 90 °;
fig. 2 is a schematic plan view of an embodiment of the connection structure for wireless charging according to the present invention, wherein an angle between the wire harness terminal and the PCB is 180 °.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a connection structure for wireless charging, it includes: litz wire, bunch terminal, PCB board.
The harness terminal includes: a wire harness and a crimp, the wire harness comprising: hollow bunch body, certainly the last downside that bunch body one end extends sets up relatively the line ball end, certainly the tubaeform link that the bunch body other end extends, the top surface and the bottom surface of bunch body are the arcwall face that the syntropy bending set up, bunch body passes through the link with crimping portion is connected, just bunch and the inside through setting of crimping portion, the litz line passes in proper order bunch portion and crimping portion, the litz line quilt the bunch portion is bound, just the litz line certainly a plurality of openings of crimping portion tip are stretched out and are formed a plurality of crimping ends, a plurality of pressure interfaces have been seted up on the PCB board, the crimping end is connected with the crimping mouth that corresponds through the crimping mode.
The technical solution of the connection structure for wireless charging according to the present invention is illustrated below with reference to a specific embodiment.
As shown in fig. 1 and 2, the connection structure for wireless charging according to an embodiment of the present invention includes: litz wire 1, wire harness terminal 2, PCB board 3.
The harness terminal 2 includes: a wire harness 21 and a crimp part 22. The litz wire 1 passes through the beam portion 21 and the crimp portion 22 in this order. Preferably, the wire harness portion 21 and the crimp portion 22 are a unitary piece.
Wherein the wire harness portion 21 includes: the wire harness comprises a hollow wire harness body 211, wire pressing ends 212 which are oppositely arranged from top to bottom and extend out from one end of the wire harness body 21, and a horn-shaped connecting end 213 which extends out from the other end of the wire harness body 21. In this embodiment, the wire pressing end 212 is a pressing plate extending from the upper and lower end surfaces of one end of the main body of the wire binding part 21. In addition, in order to realize a beam line for the litz wire 1, the top and bottom surfaces of the body of the beam portion 21 are arc-shaped surfaces that are curved in the same direction, so that the litz wire 1 is bound by the beam portion 21.
Meanwhile, the body of the bunching part 21 is connected with the crimping part 22 through the connecting end, and the bunching part 21 and the crimping part 22 are arranged in a penetrating way. In this way, in order to facilitate the separation of the litz wires 1 from each other in the crimp part 22, correspondingly, the litz wires 1 protrude from a plurality of openings at the end of the crimp part 22 to form a plurality of crimp ends 11. Furthermore, cabling channels adapted to the litz wire 1 protruding from a plurality of openings at the end of the crimp 22 are provided in the crimp 22.
Further, in order to realize the compression joint between the wire harness terminal 2 and the PCB 3, the PCB 3 is provided with a plurality of compression joints 31, and the compression joint end 11 is connected with the corresponding compression joint 31 by compression joint. In this embodiment, it is preferable that the transverse cross section of the crimping end 11 is a rectangle suitable for crimping, and the press interface 31 is a circle suitable for interference fit with the crimping end 11 and keeping circumscribed therewith.
Further, the harness terminal 2 has two crimping positions with respect to the PCB board 3, one of which the harness terminal 2 is held perpendicular to the PCB board 3; and the other crimping position, the harness terminal 2 is held in parallel with the PCB board 3. That is, the angle between the harness terminal 2 and the PCB board 3 is 90 ° or 180 °.
To sum up, the utility model discloses a connection structure middle beam terminal for wireless charging passes through crimping mode lug connection with the PCB board, and it is when satisfying connection reliability, still has the advantage that realizes simple process, lower to the equipment demand, and can overcome connection modes such as welding and cause the problem of litz line damage easily.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A connection structure for wireless charging, characterized in that the connection structure comprises: the litz wire, the wire harness terminal and the PCB;
the harness terminal includes: a wire harness and a crimp, the wire harness comprising: hollow bunch body, certainly the last downside that bunch body one end extends sets up relatively the line ball end, certainly the tubaeform link that the bunch body other end extends, the top surface and the bottom surface of bunch body are the arcwall face that the syntropy bending set up, bunch body passes through the link with crimping portion is connected, just bunch and the inside through setting of crimping portion, the litz line passes in proper order bunch portion and crimping portion, the litz line quilt the bunch portion is bound, just the litz line certainly a plurality of openings of crimping portion tip are stretched out and are formed a plurality of crimping ends, a plurality of pressure interfaces have been seted up on the PCB board, the crimping end is connected with the crimping mouth that corresponds through the crimping mode.
2. The connection structure for wireless charging according to claim 1, wherein the wire harness portion and the crimp portion are a single piece.
3. The connection structure for wireless charging according to claim 1, wherein the wire pressing end is a pressing plate extending from an upper end surface and a lower end surface of one end of the wire harness body.
4. The connection structure for wireless charging according to claim 1, wherein the crimp end has a rectangular transverse cross section adapted to be crimped, and the crimp interface has a circular shape adapted to be interference-fitted with and to be circumscribed to the crimp end.
5. The connection structure for wireless charging according to claim 1, wherein a wiring groove adapted to the litz wire to protrude from a plurality of openings at an end of the crimp portion is further provided in the crimp portion.
6. The connection structure for wireless charging according to claim 1, wherein an angle between the harness terminal and the PCB board is 90 ° or 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064643.7U CN210363454U (en) | 2019-07-09 | 2019-07-09 | Connection structure for wireless charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064643.7U CN210363454U (en) | 2019-07-09 | 2019-07-09 | Connection structure for wireless charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363454U true CN210363454U (en) | 2020-04-21 |
Family
ID=70270224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921064643.7U Active CN210363454U (en) | 2019-07-09 | 2019-07-09 | Connection structure for wireless charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210363454U (en) |
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2019
- 2019-07-09 CN CN201921064643.7U patent/CN210363454U/en active Active
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