WO2015084106A1

WO2015084106A1 - Charging apparatus for electric vehicle

Info

Publication number: WO2015084106A1
Application number: PCT/KR2014/011929
Authority: WO
Inventors: 이진국
Original assignee: 이진국
Priority date: 2013-12-06
Filing date: 2014-12-05
Publication date: 2015-06-11
Also published as: JP2016509824A; KR101506015B1

Abstract

The invention relates to a charging apparatus for an electric vehicle, comprising: a hybrid charger (2); and a connector assembly (4). The hybrid charger (2) comprises: a control circuit (22) which is installed inside a charger main body (21), the control circuit (22) including a switching device (24) for selecting DC power supply and AC power supply for DC rapid charge and AC rapid charge, and a communication module for sensing billing and power usage and then notifying the billing and the power usage to a supplier in a wired or wireless manner; and a button control unit (23) installed outside the charger main body (21) in an exposed state, the button control unit being electrically connected to the control circuit (22) for selecting the DC power supply or the AC power supply. The connector assembly (4) is electrically connected to the control circuit (22), the connector assembly (4) comprising: a first connector (42) integrally formed with a body (41); a second connector (43) having a first connector coupler (43a) which is coupled to the first connector (42) and is integrally formed in the rear thereof; and a third connector (44) having a second connector coupler (44a) which is coupled to the second connector (43) and is integrally formed in the rear thereof.

Description

Electric vehicle charging device

The present invention relates to a charging device for an electric vehicle, and more particularly, to provide an electric vehicle charging apparatus that can be selectively used in various electric vehicles produced by various automobile companies, so that an electric vehicle charging infrastructure can be easily constructed. .

Electric vehicles are the core task of the era that can solve problems such as severe global warming and exhaustion of energy resources. If we lead the convergence of the automobile industry and IT industry, our strengths in the demonstration business of creative economy for future energy resource creation, the global market It is difficult to build an infrastructure for charging devices despite the rapid development in development of electric vehicles and batteries at an important point in which it is difficult to survive if we do not have a monopolistic preoccupation technology in the fierce competition among countries because we can build the hub of the future automobile in Korea. As a result, electric vehicles have not been popularized.

In the case of charging devices for electric vehicles that are commonly used, electric vehicle rapid charging methods are generally divided into three-phase systems using direct current car demos, combos, and alternating current systems. The situation is using a charging method.

CHAdeMO is a standard made by Japanese automakers and consists of a connector that is used separately for the fast charging direct current (DC) and the slow charging AC only.The combo is a fast charging unlike the car demo. It is currently being manufactured and distributed in a standardized standard by European automobile companies, which is composed of a composite connector so that direct current (DC) and slow charging (AC) charging can be used as both.

In addition, the three-phase method using AC is currently used by companies such as Renault and Toyota.

As the charging schemes of various configurations coexist as described above, in order to satisfy all of the electric vehicle charging apparatuses to which they are applied, the charging apparatus must be individually installed, thereby causing a problem of high installation cost. The situation is emerging as the biggest problem in the construction of the device infrastructure, the industry requires a charging device for electric vehicles that can be charged regardless of the charging method of the various configurations.

The prior art of the above-mentioned conventional charging technology is a charging system for an electric vehicle using a switching device for power selection of the Republic of Korea Patent Publication (A) 10-2013-0077670 (July 09, 2013), Republic of Korea Patent Publication (B1) 10 Electric vehicle multi-function charging device for DC power distribution network using a large-capacity DC-DC converter of -1219284 (2013.01.22.), Electric vehicle of Korea Patent Publication (A) 10-2012-0109232 (2012.10.08.) Although connectors of charging devices and the like are provided, these prior arts have been difficult to realize electric vehicle charging infrastructure construction at low cost with techniques that do not depart from the above-described range.

(Patent Document 1) KR 1020130077670 A 2013.07.09.

(Patent Document 2) KR 101219284 B1 2013.01.22.

(Patent Document 3) KR 1020120109232 A 2012.10.08.

Accordingly, the present inventors have a coupler consisting of a connector electrically connected to a charger that is provided in a different form according to a manufacturer or a national standard as described above, and an inlet installed in an electric vehicle. In order to solve the problem that the construction of the charging infrastructure can not be effectively made due to the problem according to the present invention, the present invention has been researched and developed. In the present invention, particularly suitable for the inlet of the electric vehicle by configuring a cable connector electrically connected to the charger The present invention has been completed with a technical problem in that the electric vehicle charging infrastructure can be easily constructed by providing a charging device for an electric vehicle that the user can select and use.

As a solution to the problem, the present invention supplies power to a DC power conversion unit that converts AC power to DC power or AC single phase or three phases so that DC power and AC power for DC rapid charging and AC rapid charging can be selected. A switching device that switches to provide and a control circuit that is electrically connected to a communication module that detects billing and power usage and notifies the supplier of billing and power usage wired and wirelessly are installed inside the charger body, and electrically connected with the control circuit. A hybrid charger having a button control unit connected to select a connector and installed in an exposed state outside the charger main body; And a connector assembly electrically connected to the control circuit, wherein the connector assembly is integrally installed on a body, and includes a first connector (eg, a combo type) that can be used together with a DC power source and a single-phase AC power source; The first connector coupler coupled to the connector is integrally formed to the rear, and the second connector (for example, a car demo) using a DC power source, and the second connector coupler coupled to the second connector are integrally formed to the rear. It is configured to include a third connector (eg Renault type) using a three-phase AC power source.

In addition, the connector assembly is integrally installed in the body, the first connector using a fast charging DC power supply, and the first connector for coupling to the first connector is formed integrally with the rear and a second connector using a DC power supply And, the first connector to be coupled to the first connector is formed integrally with the rear and configured to include a third connector using a three-phase AC power source.

In addition, an auxiliary cable was installed between the body of the connector assembly and the second connector and the third connector.

In addition, the connector assembly is configured to be provided with a first connector, a second connector, and a third connector radially to the body.

In addition, the first connector, the second connector, and the third connector provided radially to the body were configured to be folded in the body, respectively.

The charging device for an electric vehicle provided by the present invention includes a first to third connectors (combo-type connector and car demo-type connector) in a hybrid charger main body in which DC power and AC power for DC rapid charging and AC rapid charging are selectively provided. And a connector assembly configured to selectively provide an AC three-phase connector), thereby eliminating the need to provide a charging device individually according to a conventional connector type.

In addition, it is a very useful invention that can significantly reduce the installation cost of the electric vehicle charging device, and is expected to contribute significantly to the electric vehicle charging infrastructure construction.

1 is a front view showing an embodiment of a charging device for an electric vehicle to which the present invention is applied;

Figure 2 is a side view showing an embodiment of a charging device for an electric vehicle to which the present invention is applied

Figure 3 is a block diagram of a schematic configuration inside the charger in the electric vehicle charging device of the present invention

Figure 4 is an exploded perspective view showing an embodiment of a connector assembly applied to the present invention

5 is an exploded perspective view showing another embodiment of the connector assembly applied to the present invention

6 is a side view of FIG. 5

7 is a perspective view showing another embodiment of the connector assembly applied to the present invention

8 is a side view of FIG. 7

9 is a front view showing another embodiment of the connector assembly applied to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a battery charger apparatus provided by the present invention will be described with reference to the accompanying drawings.

1 is a front view showing an embodiment of an electric vehicle charging apparatus to which the present invention is applied, Figure 2 is a side view showing an embodiment of the electric vehicle charging apparatus to which the present invention is applied, Figure 3 is a charging for the electric vehicle of the present invention A block diagram of a schematic configuration inside a charger in the device is shown, and FIG. 4 shows an exploded perspective view showing an embodiment of a connector assembly applied to the present invention, respectively.

The charging device 1 for an electric vehicle provided by the present invention includes a hybrid charger 2, a cable 3 including an electric charger (for AC and DC) and a communication line, as shown. It is divided into the connected connector assembly 4.

The hybrid charger 2 has a standing type in which a box-type charger body 21 is fixedly installed on the ground, and a control circuit 22 is installed inside the charger body 21, and a control circuit ( A button control unit 23 electrically connected to 22 is installed in an exposed state.

The control circuit 22 is electrically connected to the power supply 25. The power supply unit 25 supplies high-voltage AC power to the switching device 24 in AC single phase or three phase through a power receiving facility. The switching device 24 supplies the power to the DC power conversion unit 25a for converting AC power to DC power or provides a function of switching to provide AC single phase or three phase as it is through the AC transformer 25b. do.

In addition, the control circuit 22 is provided with a communication module 26, the communication module 26 is to provide the supplier and the user with the value that checks the power consumption in the control circuit 22 and the charges generated thereby By means of means to provide the functionality to communicate with the user in a wired or wireless manner.

The button control unit 23 installed to be exposed to the outside of the charger main body 21 is provided with a plurality of selection switches, preferably the first connector switch 23a constituting the connector assembly 4 to be described later, and A two connector switch 23b, a third connector switch 23c and a stop switch 23d are provided. When operating each of these switches, the control circuit 22 switches the switching device 24 so as to operate the corresponding connector. Communication control with DC power supply or AC power supply suitable for the The button control unit 23 may be of a mechanical or touch type.

The connector assembly 4 connected to the hybrid charger 2 and the cable 3 is integrally installed in the body 41 as shown in FIG. 4, and uses a first connector 42 together with direct current and alternating current. A second connector 43 using only a direct current coupled to the first connector 42 and a third connector 44 coupled to the second connector 43 are assembled to be detachable in three stages. do.

As an example of the first connector 42, a European-type combo type (composed of the most of the number of grounding and control pins assembled) in which DC and AC power spheres are separated may be selected. As an example of 43, a chademo-type connector may be selected, and the third connector 44 may be an AC three-phase connector.

To this end, a first connector coupler 43a coupled to the first connector 42 is integrally provided at the rear of the second connector 43, and although not shown, a power supply terminal of the first connector 42 and The communication terminal is connected to be electrically connected to the power supply terminal and the communication terminal of the second connector 43. In some cases, when the first connector 42 has 7 pins and the second connector 43 has 10 pins, an auxiliary cable 45 is additionally installed between the body 41 and the second connector 43. Can be. The auxiliary cable 45 may be used as a power line or a communication line. For example, when the first connector 42 is 7 pins and the second connector 43 is 10 pins, 3 pins are insufficient, which is a method of constructing a wire corresponding to 3 pins insufficient in the auxiliary cable 45. You just need to provide.

In addition, the rear side of the third connector 44 is provided with a second connector (44a) for coupling to the second connector 43 is integrally provided, which is also not shown, but the power supply terminal of the second connector 43 And a communication terminal is electrically connected to a power terminal and a communication terminal of the third connector 44.

Meanwhile, the first connector 42 is configured to use single-phase AC and DC, the second connector 43 is configured to use DC power, and the third connector 44 is configured to require a three-phase AC power terminal. Therefore, as mentioned above, it can be configured to supply power to the AC power terminal by using the auxiliary cable 45 between the body 41 and the third connector 44.

The auxiliary cable 45 may be configured as a grounding type in the casing of the first connector 42 and the second connector 43.

The first and

second connector fittings

43a and 44a have the same configuration as the inlets installed in the electric vehicle, and the second connector 43 and the third connector 44 are prevented from being lost. Interconnect with the body 41 and the connecting ring 46 so as to be able to.

Another example of the connector assembly 4 connected to the hybrid charger 2 and the cable 3 is integrally installed in the body 41 as shown in Figs. 5 and 6, and the fast charging DC (direct current) and slow A first connector 42 selectively using charging AC (AC), a second connector 43 using only a direct current coupled to the first connector 42, and a first connector 42 coupled to the first connector 42. It consists of three connectors 44.

To this end, a first connector coupler 43a coupled to the first connector 42 is integrally provided at the rear of the second connector 43, and although not shown, a power supply terminal of the second connector 43 and The communication terminal is connected to be electrically connected to the power supply terminal and the communication terminal of the second connector 43.

In addition, the rear side of the third connector 44 is provided with a first connector for the first connector (44b) coupled to the first connector 42 is integrally provided, which is also not shown, but the first connector 42 and the power terminal And a communication terminal is electrically connected to a power terminal and a communication terminal of the third connector 44.

Meanwhile, the first connector 42 uses DC, and the second connector 43 is configured to use a DC power source. However, the first connector 42 may be provided with a greater number of pins than the first connector 42, and the third connector 44. ) Is used to connect the auxiliary cable 45 between the body 41 and the second connector 43 and the third connector 44 because a three-phase AC power terminal is required configuration.

The

first connector couplers

43a and 44b have the same configuration as the inlets installed in the electric vehicle, and the second connector 43 and the third connector 44 can be prevented from worrying about loss. Interconnect with the body 41 and the connecting ring 46 so that.

7 is a perspective view showing another embodiment of a connector assembly applied to the present invention, Figure 8 is a side view of FIG.

In another embodiment of the connector assembly 4 provided in the present invention, the first connector 42 and the second connector 43 are radially connected to the body 41 connected to the hybrid charger 2 and the cable 3. ) And the third connector 44.

* As described above, the first connector 42, the second connector 43, and the third connector 44 which are disposed radially on the body 41 are rotated forward only, and the others are rotated backward. It is preferable to configure so that there is no obstacle during charging.

To this end, in the present invention, the bracket 41a is radially formed on the body 41, and the first connector 42, the second connector 43, and the third connector 44 are formed on the bracket 41a. It is configured to be rotated by mutually coupling to the pin 47.

In addition, the first connector 42, the second connector 43, and the third connector 44 corresponding to the body 41 are connected to the first connector 42 by a flexible ground cable 48. When the second connector 43 and the third connector 44 are rotated forward for charging, power and communication ground can be made under the control of the button controller 23.

9 is a front view showing another embodiment of a connector assembly applied to the present invention.

This is because the first connector 42, the second connector 43, and the third connector 44 are disposed radially on the body 41 connected to the hybrid charger 2 and the cable 3, The first connector 42, the second connector 43, and the third connector 44 are constituted by joint type link members 49, respectively.

In the case of the articulated link members 49, both ends of the body 41, the first connectors 42, the second connectors 43, and the third connectors 44 are coupled to each other by pins 47. The cover is made of a rubber material on the connector other than the connector to be used to be bent to be supported by the vehicle body of the electric vehicle so that the support can be made without friction with the vehicle body during charging.

Electric vehicle charging device (1) of the present invention configured as described above can eliminate the difficulty of building a charging infrastructure and increase the equipment cost caused by separately installing the conventional combo type, car demo type, AC three-phase type charging device separately. The use case of this invention is demonstrated.

To use the present invention, first select the corresponding connector in the connector assembly (4) and couple it to the inlet of the electric vehicle.

When the connector assembly 4 is connected in series as shown in FIG. 4, the connector selection method is performed by removing the second connector 43 when the first connector 42 is used, and using the second connector 43. The third connector 44 may be disconnected in a state in which the second connector 43 is coupled to the first connector 42. In order to select the third connector 44, the third connector 44 may be further coupled to the second connector 43 while the second connector 43 is coupled to the first connector 42.

When the connector assembly 4 is connected in series as shown in FIGS. 5 and 6, when the first connector 42 is to be used, the second connector 43 or the third connector 44 is used without coupling. . When the second connector 43 is used, the first connector 42 is used in a state in which the second connector 43 is coupled to the first connector 42, and when the third connector 44 is to be used, the first connector 42 is removed. It is good to use a combination of the three connectors (44).

When the connector assembly 4 is radially coupled as shown in FIGS. 7 and 8, the first connector 42, the second connector 43, and the third connector 44 that are radially rotatable are provided. Rotating any one exposed to the front of the body 41, the remaining connectors are to be rotated to the rear of the body (41).

In addition, when configuring the connector assembly 4 as shown in FIG. 9, any one of the first connector 42, the second connector 43, and the third connector 44 is coupled to the electric vehicle, and the remaining connectors The protective cover 50 is to be combined to be supported by the electric vehicle body.

As described above, the connector is selected by pressing the button of the button control unit 23 installed in the exposed state of the charger main body 21 in the state coupled to the inlet of the electric vehicle to select the corresponding connector.

When the corresponding connector is selected by the button control unit 23 as described above, the DC power source and the AC power source are selected in the switching device 24 electrically connected to the control circuit 22. When the first connector 42 is selected, Is supplied with DC power, when the second connector 43 is selected, DC power is provided, and when the third connector 44 is selected, the three-phase AC power is provided and charged, and at the same time through the communication module. Charge and billing information will be notified by the provider and the user via wire or wireless.

And when you want to end the charging, first press the stop button (23d) in the button control unit 23 is to disconnect the connector from the inlet of the electric vehicle in the state of shutting off power.

Although not shown in the present invention, it is obvious that the first to

third connectors

42, 43, and 44 are basically provided with a ground terminal.

In the detailed description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the protection scope of the present invention should not be limited to the described embodiments, but should be defined by equivalents as well as the following claims.

Since the present invention relates to a charging device for an electric vehicle, there is industrial applicability.

Claims

In order to provide DC power and AC power for DC fast charging and AC fast charging selectively, the power is supplied to the DC power conversion unit that converts AC power to DC power or to provide 220V single phase or 3 phase as it is. A control circuit 22 electrically connected to a communication device 26 that detects the switching device 24 and the charging and power usage and notifies the supplier of the charging and power usage in a wired or wireless manner is installed inside the charger body 21. And a button type controller 23 electrically connected to the control circuit 22 to select a connector, the hybrid charger 2 being installed in an exposed state outside the charger body 21;

And a connector assembly 4 electrically connected to the control circuit 22.

The connector assembly 4 is integrally installed in the body 41, and the first connector 42 which can be used together with the DC power and single-phase AC power, and

A second connector 43 having a first connector coupler 43a coupled to the first connector 42 integrally formed to the rear and using a DC power source;

Charging apparatus for an electric vehicle, characterized in that the second connector (43a) coupled to the second connector 43 is formed integrally with the rear and comprises a third connector (44) using a three-phase AC power source. .
In order to provide DC power and AC power for DC fast charging and AC fast charging selectively, the power is supplied to the DC power conversion unit that converts AC power to DC power or to provide 220V single phase or 3 phase as it is. A control circuit 22 electrically connected to a communication device 26 that detects the switching device 24 and the charging and power usage and notifies the supplier of the charging and power usage in a wired or wireless manner is installed inside the charger body 21. And a button type controller 23 electrically connected to the control circuit 22 to select a connector, the hybrid charger 2 being installed in an exposed state outside the charger body 21;

And a connector assembly 4 electrically connected to the control circuit 22.

The connector assembly 4 is integrally installed in the body 41, and the first connector 42 which can be used together with the DC power and single-phase AC power, and

A second connector 43 having a first connector coupler 43a coupled to the first connector 42 integrally formed to the rear and using a DC power source;

Charging device for an electric vehicle, characterized in that the first connector (44b) coupled to the first connector 42 is formed integrally with the rear and comprises a third connector 44 using a three-phase AC power source .
The method according to claim 1;

Charging apparatus for an electric vehicle, characterized in that the auxiliary cable 45 is installed between the body (41) of the connector assembly (4) and the second connector (43) and the third connector (44).
In order to provide DC power and AC power for DC fast charging and AC fast charging selectively, the power is supplied to the DC power conversion unit that converts AC power to DC power or to provide 220V single phase or 3 phase as it is. A control circuit 22 electrically connected to a communication device 26 that detects the switching device 24 and the charging and power usage and notifies the supplier of the charging and power usage in a wired or wireless manner is installed inside the charger body 21. And a button type controller 23 electrically connected to the control circuit 22 to select a connector, the hybrid charger 2 being installed in an exposed state outside the charger body 21;

And a connector assembly 4 electrically connected to the control circuit 22.

The connector assembly 4 includes a first connector 42 that can use a DC power source and a single-phase AC power source radially to the body 41, a second connector 43 that uses a DC power source, and a three-phase AC power source. Charging apparatus for an electric vehicle, characterized in that configured to be provided with a third connector (44) using.
The method according to claim 4;

The first connector 42, the second connector 43, and the third connector 44 provided radially to the body 41, the charging device for an electric vehicle, characterized in that each of the body 41 is folded in the configuration .
The method according to claim 4;

The first connector 42, the second connector 43, and the third connector 44 provided radially to the body 41 are foldable by the body 41 and the joint type link members 47, respectively. Charging device for an electric vehicle, characterized in that connected to.