KR101021618B1 - Electric vehicle charging station - Google Patents

Abstract

PURPOSE: A hybrid fast charging station is provided to supply a charging module of a charging gun type which directly supplies DC power to an electric vehicle, thereby maximizing charging efficiency. CONSTITUTION: A slow power supply module(200) is mounted on the inner wall of a power supply chamber(23) and is connected to an external power source. A fast power supply module(300) includes a dedicated cable(340) which supplies external power to a charging target. A charging gun is connected to a charging connector of a vehicle and supplies external power to the vehicle. The first cable is a communication unit of a vehicle. The second cable checks whether to keeping power charging in real time. The third cable supplies a signal about whether to start charging. A lead-in head comprises a power connector connected to a charging connector of a vehicle.

Description

Hybrid quick charging station

The present invention relates to an electric vehicle charging station, and more particularly, to an electric vehicle charging station installed in a place where the electric vehicle, such as a roadside or a parking lot, can stand for a charging time so as to charge a battery which is the power source of the electric vehicle. You can also charge electric bikes and electric scooters.)

Recently, as mass production models of electric vehicles have been released and advancing, attention has been focused on the construction of electric vehicle charging stations as a prerequisite for the distribution of electric vehicles. In other words, the installation of a charging station is attracting attention as a facility for charging electricity regardless of a place and time when electric vehicles are generalized, as oil is being charged at a gas station.

Currently, electric vehicle charging stations are being developed, for example, as shown by reference numeral 101 in FIG. 1, and a short column-shaped case is manufactured in the form of a cylinder or a square cylinder, and is installed on the ground of a space where an electric vehicle can be parked. In general, the display means 117 is provided at the upper end of the charging station 101, the plug chamber 121 is formed below, and the plug is inserted into the plug chamber 121. The outlet 105 is provided.

Therefore, the conventional electric vehicle charging station 101 closes the opening / closing door 107 which opens and closes the entrance opening 123 of the plug chamber 121 when the charging is not performed, and the inside of the plug chamber 121 such as the outlet 105 is damaged. It is prevented, and the door 107 is opened only when charging, and the plug is inserted into the outlet 105. Recently, the door 107 can be arbitrarily opened when the door 107 is not charged with a lock. I do not want to.

By the way, the conventional electric vehicle charging station 101 as described above should plug the plug connected to the electric vehicle when charging, the door 107 must be open due to interference with the power cord connected to the plug. Therefore, since the inside of the plug chamber 121 is continuously exposed to the outside during the charging for a long time, it is possible to prevent the accident that the other person unintentionally or accidentally pulls the plug from the outlet 105 to stop the charging. There was a problem that could not be done.

In addition, since the inside of the plug chamber 121 is continuously exposed to the outside during charging, the plug chamber 121 as well as the outlet 105 or the plug are easily fouled or damaged, especially when it is raining or snowing. Since the connection part of the plug is exposed to water or moisture as it is, there is a problem in that the safety of use cannot be secured.

In addition, the above-described conventional electric vehicle charging station is implemented by charging the electric vehicle basically applied AC power, the charging time is very long, it is difficult to use in a situation where you want a quick charging. In other words, users who are accustomed to the time required at the general gas station is almost impractical when the charging time of the electric vehicle takes several tens of hours. Of course, if there is a need to park for a long time, there may be a use, except for this case, while fast charging is possible, there is a growing interest in a charging system that can be a general charging for long-term parking.

The present invention has been made to solve the above problems, an object of the present invention is to provide a charging station having a slow power supply module and a rapid power supply module in combination, to diversify the charging range of the electric vehicle In particular, in forming a rapid power supply module, by providing a charging module of the charging gun type to supply direct DC power to the electric vehicle, to provide a charging station for an electric vehicle that can maximize the charging efficiency.

In addition, the outlet portion of the power supply chamber to perform the charging or the receiving portion of the charging gun according to the present invention is formed in the opening and closing type, thereby ensuring safety in the charging situation, and can prevent damage by dirt Another purpose is to provide a charging station.

As a means for solving the above problems, the present invention implements a complex rapid charging station having a power supply chamber for charging an electric vehicle, the power supply chamber is mounted on the inner wall of the power supply chamber and the external power source; Slow type power supply module connected; Rapid power supply module having a dedicated cable for applying external power to the charging target; It characterized in that it is formed to include.

In particular, the above-described rapid power supply module, the charging gun is connected to the charging connector of the electric vehicle to apply external power; It characterized in that it comprises a dedicated cable for connecting the charging gun and an external power source.

In addition, the dedicated cable used in the rapid power supply module, at least two or more power supply wires accommodated in the outer covering material; At least one communication cable spaced apart from the power supply wire; It is preferable to utilize what comprises a.

Particularly, the communication cable formed inside the dedicated cable includes: a first cable for an automobile controller area network (CAN); and a second cable for checking in real time whether power charging is continued; A third cable applying a charging start signal; It is preferable to be made to include.

In addition, the charging gun, the retracting head having a power connector connected to the charging connector provided in the electric vehicle; A body and a grip part integrally formed with the retracting head; It is preferable to be made to include.

In addition, the retracting head, the inner housing is empty, one surface of the outer housing opened; A cylindrical male connector formed inside the outer housing and connected to the power applying wire; At least one communication connector formed spaced apart from the male connector; Characterized in that comprises a.

The hybrid rapid charging station according to the above embodiment includes a door part for opening and closing the front surface of the power supply chamber; A locking means mounted inside the case of the hybrid quick charging station to lock or unlock the door; It is preferable that further comprises.

The case may further include at least one cutout groove formed at a lower end of the front surface of the power supply chamber so that the dedicated cable and the general cable connected to the electric vehicle can be accommodated therethrough.

In addition, the charging station according to the present invention, by detecting the closing of the door portion, may further comprise a door lock detecting means for operating the locking means.

In particular, the power supply chamber according to the present invention, it is preferable that the inclined portion is formed on the bottom surface to guide the power cord connecting the plug portion of the slow-type power supply module and the electric vehicle to the cutout groove.

In addition, it is preferable to further include a support hook protruding from the lower end of the outlet to support the plug portion inserted into the outlet of the slow power supply module.

According to the present invention, in a charging station for an electric vehicle, by providing a charging station having a slow charging module and a rapid charging module in combination, to diversify the charging range of the electric vehicle, in particular to form a rapid charging module In the case, by providing a charging gun type of charging module to directly supply the DC power to the electric vehicle, there is an effect that can maximize the charging efficiency.

In particular, the present invention by using a dedicated cable for rapid charging, to prevent the overload caused by the power supply, and to build a charging system that can perform a real-time communication, such as whether the charging start and charge duration necessary for charging There is also.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation according to the present invention. In the description with reference to the accompanying drawings, the same components are given the same reference numerals regardless of the reference numerals, and duplicate description thereof will be omitted. The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

2a to 2f show an overall front view and a perspective view of a hybrid rapid charging station according to the present invention.

Referring to FIG. 2A, in the hybrid quick charging station according to the present invention, the power supply chamber 23 is a slow-type power supply module 200 mounted on an inner wall of the power supply chamber and connected to an external power source, and an external power source. It characterized in that it comprises a rapid power supply module 300 having a dedicated cable for applying to the charging target.

The power supply chamber is formed as an area recessed on one surface of the case 3 forming the outer body, the slow power supply module formed in the power supply chamber 23 is electrically connected to an external power source therein. And an outlet configured to supply electricity of external power to the electric vehicle by inserting a plug of the electric vehicle. In general, the power input from the slow power supply module 200 may use a three-phase 380 (V) AC, the output is a single-phase 220VAC 20A. In this case, charging can be completed within about 6 to 12 hours.

In addition, the rapid power supply module 300 is connected to the charging connector of the electric vehicle as shown in Figure 2a and 2b, the charging gun (310, 320, 330) for applying external power and the charging gun and It includes a dedicated cable 340 for connecting an external power source.

The charging gun includes an inlet head 310 having a power connector connected to a charge connector provided in the electric vehicle, a body 320 and a grip part 330 integrally formed in the inlet head. The inlet head 310 is a portion inserted into a charging connector in an electric vehicle, and includes a connector (for example, a cylindrical male connector) for applying a DC power therein, but further, a plurality of communication lines in a dedicated cable. It may further include a communication connector connected with. That is, the retracting head 310 according to the present invention has a hollow inside, and is formed in the outer housing 310a having one side opened and the outer housing, and a cylindrical male connector (not shown) connected to the power supply wire. It may be configured to include at least one communication connector (not shown) formed to be spaced apart from the male connector. When using such a rapid power supply module, it is possible to cut the charging time within 30 minutes. For this rapid charging, the input power can be implemented with three phases of 380A (V) and the output power of DC 100V 140A.

2C is a view illustrating an embodiment of a charging connector of an electric vehicle to which the above-mentioned retracting head 310 of the charging gun is inserted and connected, and is an image showing the front surface of the charging connector 400. That is, the outer housing of the inlet head of the charging gun according to the present invention is inserted into the inlet groove 410 of the charging connector, and the male connector for power supply formed inside the inlet head is the female connector of the charging connector 400 shown. Inserted into and connected. In addition, the plurality of communication connectors of the charging gun to be connected to the communication connector 430 of the charging connector. Through this, it is possible to control the start and state of the charging during charging, the progress, and the like through communication, in particular the shape of the female / male connector can be replaced with each other, preferably a more stable connection using a cylindrical connector You can also implement the structure.

Figure 2d shows a cross section of the dedicated cable connected to the charging gun according to the present invention.

The dedicated cable 340 according to the present invention includes at least three or more power supply conductors 341 (including ground (G) conductors) accommodated inside the outer coating material, and at least one or more communication cables spaced apart from the power supply conductors. It may include.

As a preferred embodiment of the present invention, the communication cable is preferably made of two pairs, as shown in the figure. Specifically, an example in which three communication cables according to the present invention are described will be described. The first cable 342 for automobile CAN (Controller Area Network) communication and the second cable 343 for checking in real time whether or not power charging is continued. And, it may be configured to include a third cable 344 for applying a charge start signal.

The first cable 342 is used for automobile CAN (Controller Area Network) communication, and the second cable 343 has two pairs for determining the validity of the connection of the power source for charging and the degree of charging. Can be used as a separate purpose. In addition, the third cable 344 applies a signal for starting charging (wake-up signal), and the extra pair may be called as a spare for other purposes. Of course, the communication cable according to the present invention can be formed of three or more. In addition, a spacer 350 may be further included between the respective cables.

Hereinafter, the overall configuration of a hybrid rapid charging station according to the present invention described above will be described with reference to FIGS. 2A and 2E. Figure 2e shows an overall perspective view of a hybrid quick charging station according to the present invention.

The case (3) is a part constituting the outer body of the charging station (1) of the present invention, the overall body is made of various types of cylinders, such as rectangular cylinder or cylindrical, and on the ground, such as roadside or parking lot for parking the electric vehicle for charging Is installed. As shown in the case 3, an entrance opening is formed inwardly at a height of about one wall, and a power supply chamber 21 is formed inside the entrance opening, and an inner wall surface of the power supply chamber 21 is formed. The slow-type power supply module 200 and the rapid power supply module 300 according to the present invention described above is mounted. In particular, the slow-type power supply module is equipped with an outlet (5) for plugging the plug 10 is connected to the electric vehicle, the plug (10) on the outlet (5) in the plug 10 in the state It may further include a power switch 28 for starting or terminating the power supply to the electric vehicle.

In addition, the rapid power supply module 300 is implemented in the shape of the charging gun of the above-described structure, is mounted inside the power supply chamber 21, and starts or terminates the power supply, such as the power switch 28 described above It may be configured to further include a second power switch.

In addition, a display means 17 such as an LCD indicating an overall driving state of the electric vehicle charging station 1 is mounted above the power supply chamber 21, and the door 7 is positioned at a position adjacent to the display means 17. The door operation switch 31 which opens and closes and the electronic key recognition unit 33 are installed. When the door operation switch 31 is pressed, a driving motor (not shown) is driven through a control unit (not shown) to open the door 7. When the electronic key is recognized by the electronic key recognition unit 33, the lock means is operated through the control unit to lock or release the door 7.

In this embodiment, the door 7 is automatically opened and closed according to the operation of the door operation switch 31, the locking means 9 is described as being locked or released by the electronic key, the door 7 is It can be changed to open and close manually, and the locking means 9 and the electronic key recognition unit 33 can be replaced by any type of locking / release means as well as general mechanical locking / release means such as locks and keys. Do.

The upper part of the case 3 is equipped with a lighting means 19 in the form of a street lamp so as to increase the visibility of the charging station 1 according to the present invention at night, the lighting means 19 is a translucent or transparent outer plate (27) and the lighting (not shown) therein, the outer plate 27 may be put a picture such as various stationery or logo, such as advertising. In addition, the case 3 may be attached to the support plate 30 to increase the stability of the charging station (1) at the bottom, the guide for guiding the use method below the plug chamber 21 or the other wall to the sheet (29) It may be created and attached, and a display lamp 22 may be installed just below the luminaire 19 to indicate that it is in a charged state when electric power feeding of the electric vehicle is started.

Particularly, at least one cutout groove 11 is cut up and down at a lower edge portion of the entrance opening, which is an open area of the power supply chamber 21 according to the present invention, through which the outlet 5 in the power supply chamber 21 is cut. Or the above-described charging cable 340 of the charging gun is mounted in the power supply chamber, the power cord 20 connecting the electric vehicle and the plug 10 closes the door 7 through the cut-out groove 11. It can be pulled out of the case (3) in one state. This is also the case when the dedicated cable 340 is penetrated and mounted therein.

In addition, the power supply chamber 21 has an inclined portion 25 for guiding the power cord 20 of the plug 10 inserted into the outlet 5 to the cutout groove 11. It is preferable to be formed in the center portion adjacent to the grain groove (11). A cover 24 that is hingedly opened and closed may be installed at the top of the outlet 5 to prevent foreign matter such as water or dust from entering the insertion hole of the outlet 5.

In addition, a door portion may be formed on the front surface of the power supply chamber 21 of the present invention, and the door portion 7 is a means for opening and closing the entrance opening 23 opened to the power supply chamber 21, and the entrance opening 23 It is mounted to the top and bottom to open and close by sliding type at the top, but only one embodiment, the shape of the door can give a variety of changes, such as changing the opening direction to the left and right or the opening way to swing. In addition, the door 7 may be opened or closed automatically or manually by a motor as mentioned above, and may be formed to be opened and closed while moving up and down.

The door part 7 further includes a locking means (not shown) which is capable of locking the door part by applying a mechanical lock / unlock device such as a solenoid or a lock and a key mounted inside the case 3 adjacent to an upper portion of the entrance port. It can be configured to include. In addition, the locking means may also include a detection means (not shown) to detect the opening and closing of the door unit to automatically drive the locking device, such a detection means may use a variety of sensors, such as photosensitive sensors. have.

In addition, the present invention, as shown in Figure 2f, may further be equipped with a support hanger 15 at the bottom of the outlet (5) constituting the slow-type power supply module, this support hanger 15 is shown As the front end of the body extending horizontally has a hook shape bent upwards to support the plug 10 plugged into the outlet (5), the slot 16 is formed in the middle of the body in the longitudinal direction When the plug 10 is plugged into the outlet 5, the power cord 20 connected to the end of the plug 10 may pass through the slot 16 to sag down naturally.

Looking at the features of the detailed configuration of the entire station described above are as follows. As a gist of the present invention, in addition to the slow and rapid power supply, the following effects can be realized.

3A shows a state in which the door part 7 which opens and closes the front of the power supply chamber 21 according to the present invention is opened, and FIG. 3B shows a plug of a slow charging module in the power supply chamber. It is shown the state inserted into and closed the door. Referring to this, by forming the notch groove 11 in the longitudinal direction at the lower side of the entry port 23 opened to the power supply chamber 21, such notch groove is a dedicated cable connected to the charging gun using the rapid power supply module. Alternatively, when charging the electric vehicle by inserting a plug into an outlet inside the power supply chamber by using a slow charging module, the dedicated cable 340 or the power cord 20 connected to the plug is cut into the notch groove. Thus, even when plugged into an outlet, the door can be closed and locked in the closed state without any interference with the power cord so that it can be locked into the power supply chamber during charging. By blocking the access of others, it is possible to prevent the intentional or accidental interruption of charging by others.

Furthermore, since the support hook protrudes from the bottom of the outlet constituting the slow power supply module to support the plug plugged in from the bottom, the power cord may be intentionally or accidentally caught by another person while charging while the door is locked. Even if it is pulled out, the plug pulled by the power cord can be caught by the support hook to maintain the insertion position, thereby preventing the charging from being interrupted.

In addition, since the charging is performed in a state where the entrance is closed from the outside by closing the door, it is possible to prevent damage or damage to the power supply chamber and the plug or outlet therein. Not only safety but also convenience can be ensured.

In addition, by detecting this when the door is closed to automatically operate the locking means to operate the door lock more convenient, the inclined portion formed on the bottom of the power supply chamber formed in a gentle slope from the outlet to the notch groove Since the power cord connected to the end of the plug and exiting into the notch groove can be stably disposed inside the plug chamber without being bent or pressed.

In the foregoing detailed description of the present invention, specific examples have been described. However, various modifications are possible within the scope of the present invention. The technical idea of the present invention should not be limited to the embodiments of the present invention but should be determined by the equivalents of the claims and the claims.

1 is a conceptual diagram illustrating an electric vehicle charging station according to the prior art.

Figure 2a shows a front view of the hybrid charging station according to the invention, Figure 2b shows a charging gun used in the rapid charging module according to the present invention, Figure 2c is a charging gun is inserted according to the present invention The charging connector for an electric vehicle is shown.

Figure 2d shows a cross-sectional view of a dedicated cable according to the present invention.

Figure 2e shows a perspective view of the hybrid charging station according to the invention, Figure 2f shows another embodiment of a slow charging module according to the present invention.

Claims (11)

In a complex quick charging station having a power supply chamber for charging an electric vehicle In The power supply chamber may include a slow power supply module mounted on an inner wall of the power supply chamber and connected to an external power source; Includes; Rapid power supply module having a dedicated cable for applying external power to the charging target; The rapid power supply module, A charge gun connected to a charging connector of an electric vehicle and applying external power; and at least two power supply wires accommodated in an outer coating material connecting the charge gun and an external power source, and a car CAN spaced apart from the power supply wires ( Controller Area Network) Dedicated cable comprising a communication cable including; a first cable for communication and a second cable for checking in real time whether the power supply is continuous, a third cable for applying a charge start signal; Hybrid quick charging station, characterized in that comprises a. delete delete delete The method according to claim 1, The filling gun, An inlet head having a power connector connected to a charging connector provided in the electric vehicle; A body and a grip part integrally formed with the retracting head; Hybrid quick charging station, characterized in that comprises a. The method according to claim 5, The inlet head, An outer housing having an empty inside and having one side opened; A cylindrical male connector formed inside the outer housing and connected to the power applying wire; At least one communication connector formed spaced apart from the male connector; Hybrid quick charging station, characterized in that comprises a. The method according to any one of claims 1, 5, 6, The complex rapid charging station, A door part which opens and closes the front surface of the power supply chamber; A locking means mounted inside the case of the hybrid quick charging station to lock or unlock the door; Hybrid quick charging station, characterized in that it further comprises. The method of claim 7, The case, Further comprising at least one cutout groove formed in the lower end of the power supply chamber front, Composite quick charging station to be accommodated through the general cable connected to the dedicated cable and the electric vehicle. The method of claim 7, And a door lock detecting means for detecting the closing of the door part to operate the locking means. The method according to claim 8, The power supply chamber, And a slope is formed on a bottom surface of the slow power supply module to guide the power cord connecting the electric vehicle and the electric vehicle to the cutout groove. The method according to claim 10, And a support hanger protruding from the lower end of the outlet to support the plug portion inserted into the outlet of the slow power supply module.

Images