KR20120029916A - Connector for charging in electric vehicle - Google Patents

Connector for charging in electric vehicle Download PDF

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Publication number
KR20120029916A
KR20120029916A KR1020100092055A KR20100092055A KR20120029916A KR 20120029916 A KR20120029916 A KR 20120029916A KR 1020100092055 A KR1020100092055 A KR 1020100092055A KR 20100092055 A KR20100092055 A KR 20100092055A KR 20120029916 A KR20120029916 A KR 20120029916A
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KR
South Korea
Prior art keywords
charging
main
contact
electric vehicle
circumferential
Prior art date
Application number
KR1020100092055A
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Korean (ko)
Inventor
홍성민
Original Assignee
현대자동차주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020100092055A priority Critical patent/KR20120029916A/en
Publication of KR20120029916A publication Critical patent/KR20120029916A/en

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Abstract

PURPOSE: A connector for charging in an electric vehicle is provided to increase the number of effective contact points which are contacted to a charging terminal of the electric vehicle. CONSTITUTION: A main body(110) is formed as a cylindrical shape. The main body covers the outer circumference of a charging terminal. One end of the main body is inserted into the charging terminal. A contact point unit(120) is installed on the internal circumference of the main body. The contact point unit is touched with the outer circumference of the charging terminal.

Description

Connector for charging of electric vehicle {CONNECTOR FOR CHARGING IN ELECTRIC VEHICLE}

The present invention relates to a charging connector for an electric vehicle, and more particularly, to a charging connector for an electric vehicle for stably supplying a high load charging current connected to a charging terminal of a vehicle when charging an electric vehicle.

In general, electric vehicles have been developed for the purpose of preventing air pollution, which is getting worse day by day, and to replace limited fluid energy with new energy sources. It plays a role as.

These electric vehicles are developed as part of the measures to reduce the exhaust gas, and have the advantages of low noise and no exhaust gas. The electric vehicles are driven by electric energy and run by rotating the wheels through the power transmission device. As a power source, a battery is used as a power source required for driving force.

A plurality of the batteries are mounted on the bottom of the vehicle, and each battery is connected in series or in parallel to make a proper voltage required for the motor.

When the battery needs to be charged due to discharge or consumption of the charging voltage, the battery is connected to the charging terminal connected to the battery through a charging connector from a charger installed outside of the vehicle to be charged with a high load of charging current. do.

However, the conventional charging connector as described above has a problem in that the number of effective contacts decreases when the charging and the connector are not properly connected when the charging and detaching is repeatedly performed on the charging terminal for charging.

In addition, as the number of effective contacts between the charging terminal and the connector decreases, the high-charge charging current cannot be stably supplied, thereby increasing the buffer charging time of the battery and overheating from the connector causes damage to the charger system or safety accidents. There are also problems that can occur.

Therefore, the present invention has been invented to solve the above problems, the problem to be solved by the present invention is connected to the charging terminal of the vehicle, when charging the electric vehicle on the inner circumferential surface to stably supply a high load charging current By including a contact unit to be mounted, to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and to improve the insertion force, drawing force and heat generation characteristics of the electric vehicle charging connector To provide.

In the electric vehicle charging connector according to an embodiment of the present invention for achieving the above object in the electric vehicle charging connector to be connected to the charging terminal of the vehicle when the charging of the electric vehicle to stably supply a high load charging current, A main body formed in a cylindrical shape and surrounding the outer circumferential surface of the charging terminal, and having one end fitted to the charging terminal; And a contact unit installed on an inner circumferential surface of one end of the main body fitted to the charging terminal and in contact with an outer circumferential surface of the charging terminal.

The contact unit is a metal thin plate mounted along the inner circumference of the main body; And a plurality of contact parts formed on the inner circumferential surface of the metal thin plate at regular intervals along the circumferential direction, and having a predetermined interval along the longitudinal direction of the main body.

The contact portions are connected to each other in the longitudinal direction of the metal sheet at the center of the opening hole which is formed on the inner circumferential surface of the metal sheet to be spaced apart along the circumference and the longitudinal direction thereof, the center of the main body It is characterized by protruding circularly toward the center.

One end of each contact portion is connected to the metal thin plate, and both sides and the other end are cut out from the metal thin plate, and the other end protrudes toward the center of the main body, and is formed as an elastic plate having elastic restoring force. do.

Each contact portion is characterized in that the shape is formed in a hemispherical embossed shape protruding from the metal foil toward the center of the main body.

The main body is characterized in that a plurality of mounting grooves are formed spaced apart at regular intervals along the inner circumference.

The contact unit is a metal thin plate mounted along the inner circumference of the main body; And contact portions mounted to protrude at a predetermined interval from the inner circumferential surface of the metal thin plate toward the center of the main body through the mounting grooves.

The contact portion is characterized in that the coil spring formed in the longitudinal direction of the main body.

The contact portion is characterized in that consisting of a plurality of steel balls are spaced apart at regular intervals on each of the mounting groove in the longitudinal direction of the main body.

According to the charging connector of the electric vehicle according to the embodiment of the present invention as described above, when charging the electric vehicle, the contact unit is connected to the charging terminal of the vehicle and mounted on the inner circumferential surface to stably supply the high load charging current. By including it, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and to improve the insertion force, the pulling force, and the heat generation characteristics.

1 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a first embodiment of the present invention.
2 is a perspective view and a partially cut perspective view of an electric vehicle charging connector according to a second embodiment of the present invention.
3 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a third embodiment of the present invention.
4 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a fourth embodiment of the present invention.
5 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a fifth embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

1 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a first embodiment of the present invention.

Here, the vehicle charging connector 100 according to the exemplary embodiment of the present invention is connected to the charging terminal of the vehicle when charging the electric vehicle, the contact unit mounted on the inner circumferential surface so as to stably supply a high load charging current ( 120 to increase the number of effective contacts in contact with the charging terminal of the vehicle, thereby efficiently supplying the charging current, and improving the insertion force, the pulling force, and the heat generation characteristics.

To this end, the vehicle charging connector 100 according to an exemplary embodiment of the present invention is connected to the charging terminal of the vehicle when the electric vehicle is charged to stably supply a high load charging current, and the main body 110. And, it is composed of a contact unit 120, which will be described in more detail for each configuration as follows.

First, as shown in (a) of FIG. 1, the main body 110 is formed in a cylindrical shape so as to surround an outer circumferential surface of the charging terminal (not shown), one end of which is fitted to the charging terminal.

The contact unit 120 is installed on the inner circumferential surface of one end of the main body 110 fitted to the charging terminal, and receives a high load charging current from a charger not shown in contact with the outer circumferential surface of the charging terminal. It is delivered to the charging terminal.

As shown in FIG. 1B, the contact unit 120 includes a metal thin plate 121 and a contact portion 123.

First, the metal thin plate 121 is mounted along the inner circumference of the main body 110.

And the contact portion 123 is formed on the inner circumferential surface of the metal plate 121 to be spaced apart at regular intervals along the circumferential direction, with a predetermined interval along the longitudinal direction of the main body 110, a plurality is formed. .

Here, each of the contact portion 123 is formed in the longitudinal direction of the metal thin plate 121 at the center of the opening hole 125 formed on the inner circumferential surface of the metal thin plate 121 to be spaced apart along the circumference and the longitudinal direction. In a state in which the lower parts are interconnected, the center thereof protrudes in a circular direction toward the center of the main body 110.

In this embodiment, each of the contact portion 123 is formed in a hemispherical shape having a center of the elastic force, the contact portion 123 is in contact with each other on the outer circumferential surface of the charging terminal not shown, the effective number of contacts Is increased.

In addition, the contact portion 123 is formed in a hemispherical shape with elastic force in a state that protrudes into each opening hole 125 of the metal thin plate 121, when connecting to the charging terminal, the insertion force and the pulling force Will be improved.

Therefore, when the charging connector 100 of the electric vehicle according to the embodiment of the present invention configured as described above is applied, it is connected to the charging terminal of the vehicle to charge the electric vehicle so as to stably supply the high load charging current. By including the contact unit 120 mounted on the inner circumferential surface, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and to improve the insertion force, drawing force and heat generation characteristics.

2 is a perspective view and a partially cut perspective view of an electric vehicle charging connector according to a second embodiment of the present invention.

Referring to the drawings, the electric vehicle charging connector 200 according to the second embodiment of the present invention is connected to the charging terminal of the vehicle when the electric vehicle is charged, so that the main body 210 is stably supplied with a high load charging current. ) And the contact unit 220.

First, as shown in (a) of FIG. 2, the main body 210 is formed in a cylindrical shape, and one end of the main body 210 is inserted into the charging terminal in a state of wrapping the outer circumferential surface of the charging terminal (not shown).

The contact unit 220 is installed on the inner circumferential surface of one end of the main body 210 fitted to the charging terminal, and receives a high load charging current from a charger not shown in contact with the outer circumferential surface of the charging terminal. It is delivered to the charging terminal.

As shown in FIG. 2B, the contact unit 120 includes a metal thin plate 221 and a contact portion 223.

First, the metal thin plate 221 is mounted along the inner circumference of the main body 210.

And the contact portion 223 is formed on the inner circumferential surface of the metal plate 221 spaced apart at regular intervals along the circumferential direction, with a predetermined interval along the longitudinal direction of the main body 210, a plurality is formed. .

Here, each contact portion 223, as shown in (b) of Figure 2, one end is connected to the metal thin plate 221, both sides and the other end in a state cut off from the metal thin plate 221 , The other end is projected toward the center of the main body 210, it is preferably formed as an elastic plate having an elastic restoring force.

In the second embodiment of the present invention, each contact portion 223 is an elastic plate having an elastic restoring force is formed to protrude toward the center of the main body 210 from the metal thin plate 221, the other end protruding Each of the non-illustrated charging terminals is in contact with each other to increase the effective contact number.

In addition, when the contact portion 223 has an elastic restoring force, the insertion force and the pulling force may be improved when the charging terminal is connected.

Therefore, when the charging connector 200 of the electric vehicle according to the embodiment of the present invention configured as described above is applied, it is connected to the charging terminal of the vehicle to charge the electric vehicle so as to stably supply the high load charging current. By including the contact unit 220 mounted on the inner circumferential surface, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, improve the insertion force, pull-out force and heat generation characteristics.

3 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a third embodiment of the present invention.

Referring to the drawings, the electric vehicle charging connector 300 according to the third embodiment of the present invention is connected to the charging terminal of the vehicle when the electric vehicle is charged, so that the main body 310 is stably supplied with a high load charging current. ) And the contact unit 320.

First, as shown in (a) of FIG. 3, the main body 310 is formed in a cylindrical shape and wraps around the outer circumferential surface of the charging terminal (not shown), and one end thereof is fitted into the charging terminal.

In addition, the contact unit 320 is installed on the inner circumferential surface of one end of the main body 310 inserted into the charging terminal, and receives a high load charging current from a charger not shown in contact with the outer circumferential surface of the charging terminal. It is delivered to the charging terminal.

As shown in FIG. 3B, the contact unit 320 includes a metal thin plate 321 and a contact portion 323.

First, the metal thin plate 321 is mounted along the inner circumference of the main body 310.

And the contact portion 323 is formed on the inner circumferential surface of the metal thin plate 321 spaced apart at regular intervals along the circumferential direction, with a predetermined interval along the longitudinal direction of the main body 310, a plurality is formed. .

In this case, the contact portion 323 is preferably formed in a hemispherical embossed shape that is protruded toward the center of the main body 310 from the metal thin plate 321.

In the third embodiment of the present invention, each of the contact portion 323 is formed in a hemispherical shape having a central shape of the elastic force, the contact portion 323 is in contact with each other on the outer peripheral surface of the charging terminal not shown is effective This increases the number of contacts.

In addition, the contact portion 323 is formed in a hemispherical shape having an elastic force in a state protruding from the metal thin plate 321, thereby improving the insertion force and pull-out force when connected to the charging terminal.

Therefore, when the charging connector 300 of the electric vehicle according to the embodiment of the present invention configured as described above is applied, it is connected to the charging terminal of the vehicle when the electric vehicle is charged so as to stably supply the high load charging current. By including the contact unit 320 mounted on the inner circumferential surface, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and improve the insertion force, drawing force and heat generation characteristics.

4 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a fourth embodiment of the present invention.

Referring to the drawings, the electric vehicle charging connector 400 according to the fourth embodiment of the present invention is connected to a charging terminal of the vehicle when the electric vehicle is charged, so that the main body 410 is stably supplied with a high load charging current. ) And the contact unit 420.

First, as shown in (a) of FIG. 4, the main body 410 is formed in a cylindrical shape to cover one end of the charging terminal (not shown) with one end thereof.

Here, the main body 410 is formed with a plurality of mounting grooves 411 spaced at regular intervals along the inner circumference.

The mounting groove 411 is preferably formed in the circumferential direction on the inner circumferential surface of the main body.

The contact unit 420 is installed on the inner circumferential surface of one end of the main body 410 that is fitted to the charging terminal, and contacts the outer circumferential surface of the charging terminal to receive a high load charging current from a charger (not shown). It is delivered to the charging terminal.

Here, the contact unit 420, as shown in Figure 4 (b), consists of a metal thin plate 421 and the contact portion 423, which will be described in more detail for each configuration as follows.

First, the metal thin plate 421 is mounted along the inner circumference of the main body 410.

The contact portion 423 is mounted to protrude at a predetermined interval toward the center of the main body 410 from the inner circumferential surface of the metal thin plate 421 through each mounting groove 411.

Here, the contact portion 423 is preferably made of a coil spring formed in the longitudinal direction of the main body 410.

That is, in the fourth embodiment of the present invention, the contact portion 423 is mounted to each mounting groove 411 is formed of a coil spring having an elastic force protruding from the inner circumferential surface of the metal foil 421, not shown On the outer circumferential surface of the charging terminal is contacted through the outer circumferential surface to increase the effective contact number.

In addition, each contact portion 423 is formed as a coil spring having an elastic force in a state protruding from the metal thin plate 421, thereby improving the insertion force and pull-out force when connected to the charging terminal.

Therefore, if the charging connector 400 of the electric vehicle according to the embodiment of the present invention configured as described above is applied, it is connected to the charging terminal of the vehicle to charge the electric vehicle so as to stably supply a high load charging current. By including the contact unit 420 mounted on the inner circumferential surface, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and improve the insertion force, drawing force and heat generation characteristics.

5 is a perspective view and a partially cutaway perspective view of an electric vehicle charging connector according to a fifth embodiment of the present invention.

Referring to the drawings, the electric vehicle charging connector 400 according to the fourth embodiment of the present invention is connected to the charging terminal of the vehicle when the electric vehicle is charged, so that the main body 510 is stably supplied with a high load charging current. ) And the contact unit 520.

First, as shown in (a) of FIG. 5, the main body 510 is formed in a cylindrical shape to cover one end of the charging terminal (not shown) with one end thereof.

Here, the main body 510 is formed with a plurality of mounting grooves 511 spaced apart at regular intervals along the inner circumference.

The mounting groove 511 is preferably formed in the circumferential direction on the inner circumferential surface of the main body.

In addition, the contact unit 520 is installed on the inner circumferential surface of one end of the main body 510 fitted to the charging terminal, and contacts the outer circumferential surface of the charging terminal to receive a high load charging current from a charger (not shown). It is delivered to the charging terminal.

Here, the contact unit 520, as shown in Figure 5 (b), is made of a metal thin plate 521 and the contact portion 523, which will be described in more detail for each configuration as follows.

First, the metal thin plate 521 is mounted along the inner circumference of the main body 510.

The contact portion 523 is mounted to protrude at a predetermined interval toward the center of the main body 510 from the inner circumferential surface of the metal thin plate 521 through each mounting groove 511.

Here, the contact portion 523 is preferably made of a plurality of steel balls are spaced apart at regular intervals on each mounting groove 511 in the longitudinal direction of the main body 510.

That is, in the fifth embodiment of the present invention, the contact portion 523 is formed as a plurality of steel balls which are mounted in the respective mounting grooves 511 and protrude from the inner circumferential surface of the metal thin plate 521, not shown On the outer circumferential surface of the charging terminal is contacted through the outer circumferential surface to increase the effective contact number.

In addition, each contact portion 523 is formed of a steel ball protruding from the metal thin plate 521 to be in contact with the outer circumferential surface of the charging terminal, thereby improving the insertion force and pull-out force when connected to the charging terminal .

Therefore, if the charging connector 400 of the electric vehicle according to the embodiment of the present invention configured as described above is applied, it is connected to the charging terminal of the vehicle to charge the electric vehicle so as to stably supply a high load charging current. By including the contact unit 420 mounted on the inner circumferential surface, it is possible to increase the number of effective contacts in contact with the charging terminal of the vehicle to efficiently supply the charging current, and improve the insertion force, drawing force and heat generation characteristics.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100, 200, 300, 400, 500 ... connectors
110, 210, 310, 410, 510 ... main body
120, 220, 320, 420, 520 ... contact unit
411, 511 mounting groove
121, 221, 321, 421, 521 ... metal sheet
123, 223, 323, 423, 523 ...

Claims (9)

  1. In the electric vehicle charging connector which is connected to the charging terminal of the vehicle when the electric vehicle is charged, to stably supply the high load charging current,
    A main body formed in a cylindrical shape and surrounding the outer circumferential surface of the charging terminal, and having one end fitted to the charging terminal; And
    A contact unit installed on an inner circumferential surface of one end of the main body fitted to the charging terminal and in contact with an outer circumferential surface of the charging terminal;
    Electric vehicle charging connector comprising a.
  2. The method of claim 1,
    The contact unit
    A metal sheet mounted along an inner circumference of the main body; And
    The connector for charging an electric vehicle, which is formed on the inner circumferential surface of the metal sheet at a predetermined interval along the circumferential direction, and has a predetermined interval along the longitudinal direction of the main body.
  3. The method of claim 2,
    Each contact portion
    On the inner circumferential surface of the metal sheet, the upper and lower portions are interconnected in the longitudinal direction of the metal sheet at the centers of the opening holes spaced apart from each other in the circumferential and longitudinal directions thereof. Electric vehicle charging connector, characterized in that protrudes.
  4. The method of claim 2,
    Each contact portion
    One end is connected to the metal thin plate, both sides and the other end is cut out from the metal thin plate, the other end protrudes toward the center of the main body, the electric vehicle charging, characterized in that formed as an elastic plate having an elastic restoring force Connector.
  5. The method of claim 2,
    Each contact portion
    The connector for electric vehicle charging, characterized in that the shape is formed in a hemispherical embossed shape protruding from the metal thin plate toward the center of the main body.
  6. The method of claim 1,
    The main body
    The electric vehicle charging connector, characterized in that a plurality of mounting grooves are formed spaced at regular intervals along the inner circumference.
  7. The method of claim 6,
    The contact unit
    A metal sheet mounted along an inner circumference of the main body; And
    The electric vehicle charging connector, characterized in that consisting of a contact portion which is mounted so as to protrude a predetermined interval toward the center of the main body from the inner circumferential surface of the metal thin plate through each mounting groove.
  8. The method of claim 7, wherein
    The contact portion
    The connector for charging an electric vehicle, characterized in that the coil spring formed in the longitudinal direction of the main body.
  9. The method of claim 7, wherein
    The contact portion
    The electric vehicle charging connector, characterized in that consisting of a plurality of steel balls spaced apart at regular intervals on each of the mounting groove in the longitudinal direction of the main body.
KR1020100092055A 2010-09-17 2010-09-17 Connector for charging in electric vehicle KR20120029916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100092055A KR20120029916A (en) 2010-09-17 2010-09-17 Connector for charging in electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100092055A KR20120029916A (en) 2010-09-17 2010-09-17 Connector for charging in electric vehicle

Publications (1)

Publication Number Publication Date
KR20120029916A true KR20120029916A (en) 2012-03-27

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Application Number Title Priority Date Filing Date
KR1020100092055A KR20120029916A (en) 2010-09-17 2010-09-17 Connector for charging in electric vehicle

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101533808B1 (en) * 2013-12-19 2015-07-03 주식회사 유라코퍼레이션 Connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101533808B1 (en) * 2013-12-19 2015-07-03 주식회사 유라코퍼레이션 Connector

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