CN110281790A - A kind of wireless coupling charging system for electric vehicle - Google Patents

Abstract

The invention discloses a wireless coupling charging system for an electric vehicle. An indicator light is installed on the top of the electric vehicle, and two concentric receiving coils are installed on the chassis. A first card slot is arranged horizontally inside, and a mounting plate is installed in the storage slot, and a transmitting coil is installed in the mounting plate, and the upper end of the operating rod is installed above the operating hole, and an operating slot is arranged above the operating hole, and the notch of the operating slot is equipped with a protective cover. The cover and the joint are equipped with a lock body; the outer circumference of the adjustment disc is provided with threads and is connected with the inner circumference of the thread groove, the adjustment disc is equipped with an indicator rod, and the balls are stuck on the symmetrical sides of the indicator rod. The invention facilitates the maintenance of the transmitting coil, realizes precise positioning of the transmitting coil and the first receiving coil through the mutual cooperation of the indicator rod and the indicator light, and improves the charging efficiency of the electric vehicle.

Description

A wireless coupling charging system for electric vehicles

technical field

The invention relates to a wireless charging technology for an electric vehicle, in particular to a wireless coupling charging system for an electric vehicle.

Background technique

With the progress of society, the number of electric vehicles is increasing, and the charging technology of electric vehicles has also developed. Among them, the wireless charging technology of electric vehicles has developed rapidly in recent years.

The electric vehicle wireless charging system includes a ground transmitting coil and two concentric receiving coils installed on the chassis of the electric vehicle to match the transmitting coil. When charging, move the car until the two sets of coils are relatively overlapped, and the charging system starts to operate to charge the car. The transmitting coil of the existing charging system is installed on the mounting plate, and then the mounting plate is poured or fixed on the ground by means of screw installation, which is not conducive to the maintenance of the mounting plate with the transmitting coil; and the coil cannot be detected due to the sight limit when the car is parked Whether they coincide will affect the charging efficiency.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a wireless coupling charging system for electric vehicles, which is convenient for the maintenance of the transmitting coil, and can also adapt to aligning the transmitting coils of different types of electric vehicles during charging, so as to solve the problems existing in the existing wireless charging of electric vehicles. The transmitting coil is not easy to maintain and affects the charging efficiency.

In order to achieve the above object, the present invention adopts the following technical solutions. A wireless coupling charging system for an electric vehicle, comprising a foundation and an electric vehicle on the ground, an indicator light is provided on the top of the electric vehicle, and a concentric first receiving coil and a second receiving coil are installed on the chassis of the electric vehicle, and the second receiving coil There is an electrical connection between the coil and the indicator light, the foundation is provided with a storage slot, the two sides of the storage slot are provided with a first card slot, the upper part of the first card slot is provided with an operation hole, and the lower part is provided with a chute; the slider The upper end of the upper end is connected with the clamping block, the lower end is located in the chute, and a mounting plate is installed in the storage groove, and a transmitting coil is installed in the mounting plate, and second card slots corresponding to the first card slots are arranged on both sides of the mounting plate, and the mounting plate The second spring is installed under the bottom, and the block is installed between the mounting plate and the second spring; the block is installed in the first slot, the root of the block is set with the first spring, and the head of the block is provided with an oblique opening and An operating rod is connected, and the upper end of the operating rod is installed above the operating hole. An operating slot is arranged above the operating hole. A protective cover is installed on the notch of the operating slot and a lock body is installed at the connection;

The foundation of the outer end of the storage tank is provided with a threaded groove, the threaded groove is cylindrical, and its inner circumference is provided with threads, the outer circumference of the adjustment disc is provided with threads and connected with the inner circumference of the threaded groove, and the adjustment disc is equipped with an indicator rod , the notch of the threaded groove is equipped with a limit ring, the symmetrical sides of the limit ring are provided with ball grooves, balls are installed in the ball grooves, and the balls are stuck on the symmetrical sides of the indicator rod.

In the present invention, when the transmitting coil needs to be maintained, the protective cover is opened, and a pulling force compressing the first spring is applied to the operating rod, and then the locking block is pulled to move into the second locking slot. When the locking block breaks away from the first locking slot, the Taking out the mounting disk on which the transmitting coil is installed is convenient for taking out the mounting disk and further facilitating the maintenance of the transmitting coil. In this wireless coupling charging system for electric vehicles, by setting threaded grooves, adjusting discs and cylindrical indicator rods, when the user drives the electric vehicle to move towards the direction of the cylindrical indicator rods, and the line of sight is close to the cylindrical indicator rods, the first receiving coil and The transmitting coil realizes fuzzy positioning. By fine-tuning the position of the vehicle front and rear, the second receiving coil and the transmitting coil realize precise positioning, and the user can observe that the indicator light electrically connected to the second receiving coil is on. The mutual cooperation with the indicator light realizes the precise positioning of the transmitting coil and the first receiving coil, and improves the charging efficiency of the electric vehicle.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the connection structure between the mounting plate and the storage tank of the present invention;

Fig. 3 is the enlarged schematic view of the structure at A place in Fig. 1;

In the figure: 1. Ground, 2. Electric vehicle, 3. Installation plate, 4. Storage slot, 5. First card slot, 6. Second card slot, 7. Operation slot, 8. Operation hole, 9. First Spring, 10. Block, 11. Operating lever, 12. Protective cover, 13. Lock body, 14. Thread groove, 15. Adjusting disc, 16. Indicator rod, 17. Second spring, 18. Block, 19. Chute, 20. slider, 21. limit ring, 22. ball groove, 23. ball, 24. transmitting coil, 25. first receiving coil, 26. second receiving coil, 27. indicator light.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figure 1-3, a wireless coupling charging system for electric vehicles, including ground 1 and electric vehicle 2 on the ground, an indicator light 27 is installed on the top of electric vehicle 2, and a concentric first receiver is installed on the chassis. Coil 25 and the second receiving coil 26, the second receiving coil 26 is electrically connected with the indicator light 27, when the second receiving coil 26 receives the energy transmitted by the transmitting coil 24, it will drive the indicator light 27 to light up, located in the electric The installation disk 3 is installed on the ground 1 directly below the automobile 2 through the installation mechanism, and the transmission coil 24 is installed in the installation disk 3. The electrical connection relationship between the transmission coil 24 and the outside world, the equipment electrically connected to the outside world and the transmission coil 24, and the second The electrical connection between the receiving coil 26 and the indicator light 27 is the prior art, and the technical improvements here do not involve these points, so no more details are given here.

The installation mechanism includes a storage slot 4 and two first card slots 5, the storage slot 4 is set on the top side wall of the ground 1 directly below the electric vehicle 2, and the two first card slots 5 are symmetrically provided with a mounting plate 3 On the opposite side wall of the storage slot 4, a second draw slot 6 corresponding to the first draw slot 5 is symmetrically provided on the opposite wall of the storage slot 4, and an operation slot 7 is opened on the ground 1 directly above the second draw slot 6, The bottom of the operation slot 7 is provided with an operation hole 8, and the openings at both ends of the operation hole 8 are respectively connected to the operation slot 7 and the second card slot 6, and the bottom of the second card slot 6 is fixedly connected with the first spring 9, the second The other end of a spring 9 is fixedly connected with a block 10, and the end of the block 10 away from the bottom of the first slot 5 passes through the notch of the second slot 6 and extends into the corresponding first slot 5, and inserts Located in the first draw-in groove 5, the top side wall of the block 10 is fixedly connected with an operating rod 11, the upper end of the operating rod 11 passes through the operating hole 8 and extends into the operating groove 7, and the notch of the operating groove 7 is hinged with a The protective cover 12, and a lock body 13 is installed between the protective cover 12 and the ground 1. When the transmission coil 24 needs to be maintained, the protective cover 12 is opened, and a pulling force compressing the first spring 9 is applied to the operating lever 11, and then the block 10 is pulled to move into the second slot 5. When the block 10 breaks away from the first block When the groove 6 is formed, the installation disk 3 on which the transmitter coil 24 is installed can be taken out, which is convenient for taking out the installation disk 3 and further facilitating the maintenance of the transmitter coil 24.

A second spring 17 is symmetrically and fixedly connected to the bottom of the receiving groove 4 , and a resisting block 18 is fixedly connected to the upper end of the second spring 17 . After the block 10 is pulled out of the first slot 6, the second spring 17 resets, and an upward thrust is applied to the mounting disk 3 through the contact block 18, so as to facilitate taking out the mounting disk 3 from the receiving groove 4.

The bottom groove wall of the second draw-in groove 6 is provided with a chute 19, and a slide block 20 is slidably connected in the chute 19, and the upper end of the slide block 20 passes through the notch of the chute 19 and extends upwards, and is fixed with the block 10 connected so that the block 10 slides stably.

The section of the block 10 is trapezoidal, and the inclined direction of the inclined plane of the block 10 is set away from the second slot 6. The inclined setting, when the mounting plate 3 moves from top to bottom into the storage groove 4, the mounting plate 3 and the The inclined surface of the clamping block 10 contacts, and then exerts a pressure to compress the first spring 9 on the clamping block 10 through the slope, so that the clamping block 10 can be easily accommodated into the second clamping slot 5, so that the clamping block 10 can quickly move to the first clamping slot 6, which in turn facilitates the installation of the installation disk 3.

The top side wall of the ground 1 near the storage tank 4 is provided with a threaded groove 14, and the threaded groove 14 is provided with an adjusting disc 15, and the annular outer wall of the adjusting disc 15 is fixedly provided with threads, and the adjusting disc 15 passes through the thread and the thread. The groove 14 is threadedly connected, and the upper end of the adjustment disc 15 is fixedly connected with a cylindrical indicating rod 16, and the upper end of the indicating rod 16 passes through the notch of the threaded groove 14 and extends upward.

The notch of the thread groove 14 is fixedly connected with the limit ring 21, and the annular inner side wall of the limit ring 21 is symmetrically provided with a ball groove 22, and a ball 23 is rollingly connected in the ball groove 22, and the ball 23 is worn away from one end of the ball groove 22 bottom Passes through the notch of the ball groove 22 and extends outward, and is rollingly connected with the indicating rod 16 to prevent the indicating rod 16 from breaking away from the threaded groove 14 while allowing the indicating rod 16 to move quickly.

The installation plate 3, the indicator rod 16 and the protective cover 12 are all coated with anti-rust paint, which isolates the installation plate 3, the indicator rod 16 and the protective cover 12 from contacting with the air, thereby preventing the installation plate 3, the indicator rod 16 and the protective cover 12 from rusting situation occurs.

To sum up, in the wireless coupling charging system for electric vehicles, when the transmitting coil 24 needs to be maintained, the protective cover 12 is opened, and a pulling force is applied to the operating lever 11 to compress the first spring 9, and then pull the block 10 to the second slot. 5, when the block 10 breaks away from the first slot 6, the installation disk 3 on which the transmitter coil 24 is installed can be taken out, which is convenient for taking out the installation disk 3, and then facilitates the maintenance of the transmitter coil 24; through the threaded groove 14 and adjustment The disc 15 sets the height of the indicator rod 16. When the user drives the electric car 2 to move towards the direction of the indicator rod 16, and the sight line is close to the cylindrical indicator rod 16, the first receiving coil 25 and the transmitting coil 24 realize fuzzy positioning. 2 Fine-tune the position front and back, and the second receiving coil 26 and the transmitting coil 24 realize precise positioning, then the user can observe that the indicator light 27 electrically connected to the second receiving coil 26 lights up, and the user can use the indicator rod 16 to indicate The mutual cooperation of the lamps 27 realizes the accurate positioning of the transmitting coil 24 and the first receiving coil 25 and improves the charging efficiency.

Claims (1)

1. A wireless coupling charging system for electric vehicles, comprising a foundation (1) and an electric vehicle (2) on the ground, characterized in that: an indicator light (27) is installed on the top of the electric vehicle (2), Its chassis is equipped with a concentric first receiving coil (25) and a second receiving coil (26), and there is an electrical connection between the second receiving coil (26) and the indicator light (27), and the foundation (1) is provided with The storage slot (4), the first card slot (5) is provided on both sides of the storage slot (4), the upper part of the first card slot (5) is provided with an operation hole (8), and the lower part is provided with a chute (19); The upper end of the slider (20) is connected to the clamping block (10), the lower end is located in the chute (19), the storage slot (4) is equipped with a mounting plate (3), and the mounting plate (3) is equipped with a transmitting coil (24 ), the two sides of the installation plate (3) are provided with the second card slot (6) corresponding to the first card slot (5), the second spring (17) is installed under the installation plate (3), and the installation plate (3) ) and the second spring (17) is equipped with a blocking block (18); the first card slot (5) is equipped with a block (10), and the root of the block (10) is set with the first spring (9), the card The head of the block (10) is provided with a bevel and is connected with an operating rod (11), the upper end of the operating rod (11) is installed above the operating hole (8), and an operating groove (7) is arranged above the operating hole (8). The notch of the operation slot (7) is equipped with a protective cover (12) and the joint is equipped with a lock body (13); The foundation (1) at the outer end of the storage tank (4) is provided with a threaded groove (14), the threaded groove (14) is cylindrical, its inner periphery is provided with threads, and the outer periphery of the adjustment disc (15) is provided with threads and It is threadedly connected with the inner circumference of the threaded groove (14), the indicator rod (16) is installed on the adjusting disc (15), the notch of the threaded groove (14) is installed with a limit ring (21), and the symmetrical two sides of the limit ring (21) The side is provided with a ball groove (22), and a ball (23) is installed in the ball groove (22), and the ball (23) is stuck on the symmetrical both sides of the indicator rod (16).