Electric vehicle wireless charging road system including electric vehicle wireless charging unit

Abstract

Disclosed is an electric vehicle wireless charging road system including an electric vehicle wireless charging unit. The electric vehicle wireless charging road system according to an embodiment of the present invention performs wireless charging on an electric vehicle having a current collecting device mounted on a lower surface thereof and is constructed at an intersection at which a traffic light and a street light area installed, the electric vehicle wireless charging road system including: a wireless charging unit which is embedded adjacent to a stop line of each road intersecting with another at the intersection and performs wireless charging for an electric vehicle stopped on the road; a power supply unit which is connected to an electric facility for supplying electricity to the traffic light and the street light installed at the intersection and supplies power to the wireless charging unit; and a monitoring unit which is embedded in the ground of the intersection, is installed to have a shape surrounding the wireless charging unit and the power supply unit, and photographs the wireless charging unit and the power supply unit in real time and wirelessly transmits same to a smart device of an operator.

Description

Electric vehicle wireless charging road system including electric vehicle wireless charging unit

[0001] The present invention relates to a wireless charging road system for electric vehicles, and more particularly, to a wireless charging road system for electric vehicles including a configuration capable of wirelessly charging an electric vehicle running on a road.

[0002] Due to global warming, the use of electric power using batteries as an energy source is increasing to replace petroleum energy for transportation such as automobiles and railways.

[0003] However, the current battery capacity is insufficient, resulting in a short driving range and requiring frequent charging. In addition, the lack of infrastructure such as charging stations and the time required for charging have limited the spread of electric vehicles.

[0004] As illustrated in Fig. 1, in the case of an electric vehicle charging station according to the prior art, the electric vehicle to be charged must be parked in a parking space of the electric vehicle charging station and then charging must be performed.

[0005] This makes it impossible to drive the car while charging, and limits long-distance driving.

[0006] Therefore, there is a need for a technology that can solve the problems of the above-mentioned conventional technology.

[0007] The purpose of the present invention is to provide an electric vehicle wireless charging road system that can be constructed on an existing road, can be operated stably using streetlights and existing electrical equipment around the road, can wirelessly charge electric vehicles running on the road, and can be easily maintained through real-time monitoring.

[0008] According to one aspect of the present invention for achieving the above object, a wireless charging road system for electric vehicles is provided, which performs wireless charging for electric vehicles having a current collector mounted on a lower surface thereof, and is installed at an intersection where traffic lights and streetlights are installed. The wireless charging road system may include: a wireless charging unit installed adjacent to a stop line of each intersecting road at the intersection, which performs wireless charging for electric vehicles stopped on the road; a power supply unit connected to electrical equipment that supplies electricity to the traffic lights and streetlights installed at the intersection, and which supplies power to the wireless charging unit; and a monitoring unit installed underground at the intersection and surrounding the wireless charging unit and the power supply unit, which photographs the wireless charging unit and the power supply unit in real time and wirelessly transmits the photograph to an operator's smart device.

[0009] In one embodiment of the present invention, the wireless charging unit may be configured to include a housing unit that is buried in the ground of the road and forms a sealed storage space, and has an opening / closing unit that can be opened and closed upward from the road; a road surface forming layer that is formed by stacking the opening / closing units of the housing unit and forms a surface that is continuous with the surface of the road; a power supply cable that is mounted inside the housing unit and generates power for wireless charging by allowing an alternating current to flow; an inverter that is mounted inside the housing unit and controls the supply of an alternating current flowing to the power supply cable and has a relay that adjusts the phase of the alternating current to 0 degrees or 180 degrees; and a capacitor unit that is mounted inside the housing unit and has a relay that adjusts the phase of the alternating current to 0 degrees or 180 degrees under the control of the inverter, and a capacitor that cancels out the inductance of the power supply line.

[0010] In one embodiment of the present invention, the wireless charging unit may be configured to include a pipe mounting unit that is mounted on both ends of the housing unit and has a structure in which the inside of the housing unit and the moving pipe are connected to each other, and has a structure in which heat generated inside the housing unit is absorbed and transferred to the moving pipe.

[0011] In this case, the monitoring unit is mounted on the pipe mounting portions mounted on both ends of the housing portion to form a single pipe structure, and to form a single connecting passage connecting each housing portion buried in the ground of the road, and is composed of a movable pipe made of a transparent material; a heat dissipation fin mounted on the outer surface of the movable pipe, and continuously mounted along the movable pipe from the pipe mounting portion, and having a structure that absorbs heat energy transferred from the pipe mounting portion and generates heat in the ground; a monitoring main body mounted on the inside of the housing portion, receives power from a power supply portion and transmits it to the movable pipe, and receives a control signal from the operator by wirelessly linking with the operator's smart device to control the operation of the photographing unit, and wirelessly transmits data acquired from the photographing unit to the operator; a power transmission line mounted on the inner surface of the movable pipe and continuously mounted along the extension direction of the movable pipe; And it may be a configuration including a cylindrical structure that is mounted in a detachable structure at both ends of the monitoring main body, stores power transmitted from a power transmission line internally, has an outer diameter of 60 to 90% of the inner diameter of the moving pipe, operates to change position along the moving pipe by a control signal transmitted from the monitoring main body, and performs real-time shooting and transmits the shot data to the monitoring main body.

[0012] In one embodiment of the present invention, the photographing unit comprises: a front suction unit mounted on the front end of the photographing unit, having a buffer pad of a predetermined thickness attached to the front end and the outer circumference, and having a structure for sucking air from the front and flowing the air to the upper part of the first side; a rear suction unit mounted on the rear end of the photographing unit, having a buffer pad of a predetermined thickness attached to the rear end and the outer circumference, and having a structure for sucking air from the rear and flowing the air to the upper part of the second side or sucking air from the upper part of the second side and injecting the air rearward; a first side upper unit mounted in plurality at a predetermined angle along the front outer circumference of the photographing unit, and having a structure for blowing air sucked from the front suction unit laterally to separate the outer circumference of the photographing unit from the inner circumference of the moving pipe by a predetermined distance; And it may be a configuration including a second side upper part having a structure in which a plurality of parts are installed at a predetermined angle along the rear outer surface of the above-mentioned shooting unit, and the air sucked in from the rear suction part is injected laterally to separate the outer surface of the shooting unit from the inner surface of the moving pipe by a predetermined distance.

[0013] In one embodiment of the present invention, the photographing unit may be configured to include a first spray direction changing unit that operates according to a control signal received from the operator, is mounted inside the first side upper portion, is mounted in a plurality of units spaced apart from each other by a predetermined angle along the outer surface of the photographing unit, and has a structure for changing the direction of air sprayed from the first side upper portion to the front, side, or rear of the photographing unit; and a second spray direction changing unit that operates according to a control signal received from the operator, is mounted inside the second side upper portion, is mounted in a plurality of units spaced apart from each other by a predetermined angle along the outer surface of the photographing unit, and has a structure for changing the direction of air sprayed from the second side upper portion to the front, side, or rear of the photographing unit.

[0014] As described above, according to the electric vehicle wireless charging road system of the present invention, by having a wireless charging unit, a power supply unit, and a monitoring unit of a specific structure, it is possible to provide an electric vehicle wireless charging road system that can be installed on an existing road, can be stably operated using streetlights and existing electrical facilities around the road, can wirelessly charge electric vehicles running on the road, and can be easily maintained through real-time monitoring.

[0015] Figure 1 is a photograph showing an electric vehicle charging station according to conventional technology.

[0016] FIG. 2 is a cross-sectional view showing an electric vehicle wireless charging road system according to one embodiment of the present invention.

[0017] FIG. 3 is a plan view showing an electric vehicle wireless charging road system according to one embodiment of the present invention.

[0018] Figure 4 is an enlarged view of part A of Figure 2.

[0019] FIG. 5 is a plan view showing an electric vehicle wireless charging road system according to another embodiment of the present invention.

[0020] Fig. 6 is a plan view showing an excerpt of the monitoring unit of the electric vehicle wireless charging road system illustrated in Fig. 5.

[0021] Figure 7 is an enlarged view of part B of Figure 6.

[0022] Figure 8 is an enlarged view of part C of Figure 7.

[0023] Figure 9 is a partially enlarged cross-sectional view showing the state in which the photographing unit illustrated in Figure 7 is separated from the monitoring main body and levitates inside the moving pipe.

[0024] Figure 10 is a partially enlarged cross-sectional view showing the photographing unit illustrated in Figure 7 moving forward and backward inside the moving pipe.

[0025] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to this, it should be noted that the terms and words used in this specification and claims should not be construed as limited to their conventional or dictionary meanings, but rather should be interpreted in terms of meanings and concepts consistent with the technical spirit of the present invention.

[0026] Throughout this specification, when it is said that an element is "on" another element, this includes not only cases where the element is in contact with the other element, but also cases where another element exists between the two elements. Throughout this specification, when it is said that a part "includes" a component, this does not mean that the other component is excluded, but rather that the other component may be included, unless otherwise stated.

[0027] FIG. 2 is a cross-sectional view showing an electric vehicle wireless charging road system according to an embodiment of the present invention, and FIG. 3 is a plan view showing an electric vehicle wireless charging road system according to an embodiment of the present invention. In addition, FIG. 4 is an enlarged view of part A of FIG. 2, and FIG. 5 is a plan view showing an electric vehicle wireless charging road system according to another embodiment of the present invention, and FIG. 6 is a plan view showing an excerpt of a monitoring unit of the electric vehicle wireless charging road system shown in FIG. 5.

[0028] Referring to these drawings, the electric vehicle wireless charging road system (100) according to the present embodiment performs wireless charging on an electric vehicle (10) having a current collector (11) mounted on the lower surface, and is an electric vehicle wireless charging road system (100) installed at an intersection where a traffic light (20) and a streetlight (30) are installed, and is provided with a wireless charging unit (110), a power supply unit (120), and a monitoring unit (130) of a specific structure, so that it can be installed on an existing road, and can be stably operated using streetlights and existing electrical equipment around the road, and can perform wireless charging on an electric vehicle running on the road, and can provide an electric vehicle wireless charging road system that can be easily maintained through real-time monitoring.

[0029] Hereinafter, each component of the electric vehicle wireless charging road system (100) according to the present embodiment will be described in detail with reference to the drawings.

[0030] The wireless charging unit (110) according to this embodiment is installed adjacent to the stop line (50) of each intersecting road at an intersection, and performs wireless charging on an electric vehicle stopped on the road.

[0031] The power supply unit (120) according to the present embodiment is connected to electrical equipment that supplies electricity to a traffic light (20) and a street light (30) installed at an intersection, and can supply electricity to a wireless charging unit (110).

[0032] The monitoring unit (130) according to this embodiment is installed in a form that is buried in the ground of an intersection and surrounds the wireless charging unit (110) and the power supply unit (120), and can photograph the wireless charging unit (110) and the power supply unit (120) in real time and wirelessly transmit the images to the operator's smart device.

[0033] Specifically, as illustrated in FIG. 4, the wireless charging unit (110) according to the present embodiment may be configured to include a housing unit (111) of a specific structure, a road surface forming layer (113), a power supply cable (114), an inverter (115), and a capacitor unit (116).

[0034] The housing (111) of the wireless charging unit (110) according to the present embodiment is structured to be buried in the ground of the road and form a sealed storage space, and to be equipped with an opening / closing unit (112) that can be opened and closed upward from the road. The power supply cable (114) is installed inside the housing (111) and generates power for wireless charging by allowing AC current to flow. The inverter (115) is installed inside the housing (111) and controls the supply of AC current flowing in the power supply cable (114) and has a relay that adjusts the phase of the AC current to 0 degrees or 180 degrees. In addition, the capacitor unit (116) is structured to be installed inside the housing (111) and to be equipped with a relay that adjusts the phase of the AC current to 0 degrees or 180 degrees under the control of the inverter (115) and a capacitor that cancels out the inductance of the power supply line.

[0035] FIG. 7 shows an enlarged view of part B of FIG. 6, and FIG. 8 shows an enlarged view of part C of FIG. 7. In addition, FIG. 9 shows a partially enlarged cross-sectional view showing the photographing unit shown in FIG. 7 separated from the monitoring main body and levitated inside the moving pipe, and FIG. 10 shows a partially enlarged cross-sectional view showing the photographing unit shown in FIG. 7 moving forward and backward inside the moving pipe.

[0036] Referring to these drawings together with FIGS. 5 and 6, the wireless charging unit (110) according to the present embodiment may be configured to include a pipe mounting unit (117) of a specific structure. Specifically, as illustrated in FIG. 4, the pipe mounting unit (117) is configured to be mounted on both ends of the housing unit (111), and is mounted in a structure in which the inside of the housing unit (111) and the moving pipe (132) are connected to each other, and is structured to absorb heat generated inside the housing unit (111) and transfer it to the moving pipe (132).

[0037] The monitoring unit (130) according to the present embodiment may be configured to include a moving pipe (132) of a specific structure, a heat dissipation fin (132a), a monitoring main body (131), a power transmission line (133), and a photographing unit (134).

[0038] Specifically, the moving pipe (132) is mounted on the pipe mounting portion (117) mounted on both ends of the housing portion (111) to form a single pipe structure, and forms a single connecting passage connecting each housing portion (111) buried in the ground of the road, and is made of a transparent material. The heat dissipation fin (132a) is a structure mounted on the outer circumferential surface of the moving pipe (132), and is continuously mounted along the moving pipe (132) from the pipe mounting portion (117), and has a structure that absorbs heat energy transferred from the pipe mounting portion (117) and generates heat in the ground. The monitoring main body (131) is mounted inside the housing (111), receives power from the power supply unit (120), transmits it to the moving pipe (132), and wirelessly links with the operator's smart device to receive a control signal from the operator to control the operation of the photographing unit (134), and can wirelessly transmit data acquired from the photographing unit (134) to the operator. The power transmission line (133) is mounted on the inner surface of the moving pipe (132) and is continuously mounted along the extension direction of the moving pipe (132). In addition, the photographing unit (134) is configured to be detachably mounted at both ends of the monitoring main body (131), and stores power transmitted from the power transmission line (133) therein. At this time, the shooting unit (134) has a cylindrical structure with an outer diameter of 60 to 90% of the inner diameter of the moving pipe (132), and operates to change position along the moving pipe (132) by a control signal transmitted from the monitoring main body (131), and can perform real-time shooting and transmit the captured data to the monitoring main body (131).

[0039] In some cases, as shown in FIGS. 7 to 10, the photographing unit (134) according to the present embodiment may be configured to include a front suction part (135), a rear suction part (136), a first side upper part (137a), and a second side upper part (137b) of a specific structure.

[0040] Specifically, the front suction part (135) of the shooting unit (134) is a structure that is mounted on the front end of the shooting unit (134), and has a buffer pad of a predetermined thickness attached to the front end and the outer circumference, and is structured to suck in air from the front and flow it to the first side upper part (137a). The rear suction part (136) is mounted on the rear end of the shooting unit (134), and has a buffer pad of a predetermined thickness attached to the rear end and the outer circumference, and is structured to suck in air from the rear and flow it to the second side upper part (137b), or suck in air from the second side upper part (137b) and spray the air to the rear. The first side upper portion (137a) is structured such that a plurality of the first side upper portions are installed at a predetermined angle along the front outer surface of the photographing unit (134) and spray air sucked from the front suction portion (135) laterally to space the outer surface of the photographing unit (134) apart from the inner surface of the moving pipe (132) by a predetermined distance. In addition, the second side upper portion (137b) is structured such that a plurality of the second side upper portions are installed at a predetermined angle along the rear outer surface of the photographing unit (134) and spray air sucked from the rear suction portion (136) laterally to space the outer surface of the photographing unit (134) apart from the inner surface of the moving pipe (132) by a predetermined distance.

[0041] In some cases, the shooting unit (134) may further include a first injection direction changing unit (138a) and a second injection direction changing unit (138b) of a specific structure.

[0042] Specifically, the first spray direction changing unit (138a) operates according to a control signal received from the operator, is mounted inside the first side upper part (137a), and is structured such that a plurality of units are mounted at a predetermined angle along the outer surface of the photographing unit (134), and the direction of air sprayed from the first side upper part (137a) is changed to the front, side, or rear of the photographing unit (134). The second spray direction changing unit (138b) operates according to a control signal received from the operator, is mounted inside the second side upper part (137b), and is structured such that a plurality of units are mounted at a predetermined angle along the outer surface of the photographing unit (134), and the direction of air sprayed from the second side upper part (137b) is changed to the front, side, or rear of the photographing unit (134).

[0043] As described above, according to the electric vehicle wireless charging road system of the present invention, by having a wireless charging unit (110), a power supply unit (120), and a monitoring unit (130) of a specific structure, it is possible to provide an electric vehicle wireless charging road system that can be constructed on an existing road, can be stably operated using streetlights and existing electrical equipment around the road, can wirelessly charge electric vehicles running on the road, and can be easily maintained through real-time monitoring.

[0044] The detailed description of the present invention above has described only specific embodiments thereof. However, it should be understood that the present invention is not limited to the specific embodiments described in the detailed description, but rather encompasses all modifications, equivalents, and alternatives falling within the spirit and scope of the present invention as defined by the appended claims.

[0045] That is, the present invention is not limited to the specific embodiments and descriptions described above, and anyone with ordinary skill in the art to which the present invention pertains can make various modifications without departing from the gist of the present invention claimed in the claims, and such modifications are within the protection scope of the present invention.

[0046] The mode for carrying out the invention has been described together with the best mode for carrying out the invention above.

[0047] The present invention relates to a wireless charging road system for electric vehicles including a wireless charging unit for electric vehicles, which can be constructed on an existing road, can be stably operated using streetlights and existing electrical equipment around the road, can wirelessly charge electric vehicles running on the road, and can be easily maintained through real-time monitoring, so that it has industrial applicability.

Claims

1. A wireless charging road system (100) for electric vehicles, which performs wireless charging on an electric vehicle (10) equipped with a current collector (11) on its lower surface, and is installed at an intersection where a traffic light (20) and a street light (30) are installed. A wireless charging unit (110) installed adjacent to the stop line (50) of each intersecting road at the above intersection and performing wireless charging on an electric vehicle stopped on the road; A power supply unit (120) connected to an electrical facility that supplies electricity to a traffic light (20) and a street light (30) installed at the above intersection, and supplies electricity to a wireless charging unit (110); and A monitoring unit (130) that is installed in the ground of the above intersection and surrounds the wireless charging unit (110) and the power supply unit (120), and photographs the wireless charging unit (110) and the power supply unit (120) in real time and wirelessly transmits the images to the operator's smart device; An electric vehicle wireless charging road system characterized by including a .

2. In paragraph 1, The above wireless charging unit (110) is A housing part (111) having a structure that is buried underground in the above road and forms a sealed storage space, and is equipped with an opening part (112) that can be opened and closed upward from the road; A road surface forming layer (113) formed by laminating the opening / closing part (112) of the housing part (111) and forming a surface continuous with the surface of the road; A power supply cable (114) mounted inside the housing portion (111) and generating power for wireless charging by allowing alternating current to flow; An inverter (115) mounted inside the housing (111) and having a relay that controls the supply of alternating current flowing through the power supply cable (114) and adjusts the phase of the alternating current to 0 degrees or 180 degrees; and A capacitor section (116) equipped with a relay that is mounted inside the housing section (111) and adjusts the phase of the AC current to 0 degrees or 180 degrees under the control of an inverter (115) and a capacitor that cancels out the inductance of the power supply line; An electric vehicle wireless charging road system characterized by including a .

3. In paragraph 2, The above wireless charging unit (110) is A pipe mounting part (117) mounted on both ends of the housing part (111) and having a structure in which the inside of the housing part (111) and the moving pipe (132) are connected to each other, and which absorbs heat generated inside the housing part (111) and transfers it to the moving pipe (132); Including, The above monitoring unit (130) A moving pipe (132) formed by being mounted on a pipe mounting part (117) mounted on both ends of the housing part (111) to form a single pipe structure and forming a single connecting passage connecting each housing part (111) buried in the ground of the road, and made of a transparent material; A heat dissipation fin (132a) mounted on the outer surface of the above-mentioned moving pipe (132), and continuously mounted along the moving pipe (132) from the pipe mounting portion (117), and having a structure that absorbs heat energy transferred from the pipe mounting portion (117) and generates heat in the ground; A monitoring main body (131) mounted inside the housing (111), receives power from the power supply unit (120) and transmits it to the moving pipe (132), wirelessly connects with the operator's smart device to receive a control signal from the operator to control the operation of the photographing unit (134), and wirelessly transmits data acquired from the photographing unit (134) to the operator; A power transmission line (133) mounted on the inner surface of the above-mentioned moving pipe (132) and continuously mounted along the extension direction of the moving pipe (132); and A cylindrical structure that is detachably mounted on both ends of the monitoring main body (131), stores power transmitted from a power transmission line (133) internally, and has an outer diameter of 60 to 90% of the inner diameter of the moving pipe (132), operates to change position along the moving pipe (132) by a control signal transmitted from the monitoring main body (131), and performs real-time shooting to transmit the captured data to the monitoring main body (131) (134); An electric vehicle wireless charging road system characterized by including:

4. In paragraph 3, The above shooting unit (134) is A front suction unit (135) mounted on the front end of the above-mentioned shooting unit (134), with a buffer pad of a predetermined thickness attached to the front end and the outer surface, and having a structure that sucks in air from the front and causes it to flow to the upper part of the first side (137a); A rear suction unit (136) mounted on the rear end of the above-mentioned shooting unit (134), with a buffer pad of a predetermined thickness attached to the rear end and outer surface, and having a structure that sucks in air from the rear and causes it to flow to the second side upper part (137b), or sucks in air from the second side upper part (137b) and sprays the air to the rear; A first side upper part (137a) having a structure in which a plurality of units are installed at a predetermined angle along the front outer surface of the above-mentioned photographing unit (134) and spray air sucked in from the front suction part (135) sideways to separate the outer surface of the photographing unit (134) from the inner surface of the moving pipe (132) by a predetermined distance; and A second side upper part (137b) having a structure in which a plurality of parts are installed at a predetermined angle along the rear outer surface of the above-mentioned photographing unit (134) and spray air sucked in from the rear suction part (136) sideways to separate the outer surface of the photographing unit (134) from the inner surface of the moving pipe (132) by a predetermined distance; An electric vehicle wireless charging road system characterized by including a .

5. In paragraph 4, The above shooting unit (134) is A first injection direction changing unit (138a) that operates according to a control signal received from the operator, is mounted inside the first side upper part (137a), and is mounted in a plurality of units spaced apart by a certain angle along the outer surface of the photographing unit (134), and has a structure that changes the direction of air sprayed from the first side upper part (137a) to the front, side, or rear of the photographing unit (134); and A second injection direction changing unit (138b) that operates according to a control signal received from the operator, is mounted inside the second side upper part (137b), and is mounted in a plurality at a predetermined angle along the outer surface of the photographing unit (134), and has a structure that changes the direction of air sprayed from the second side upper part (137b) to the front, side, or rear of the photographing unit (134); An electric vehicle wireless charging road system characterized by including a .

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