Wireless charging device for electric vehicle

Abstract

The invention provides an electric vehicle wireless charging device which comprises the ground and a position adjusting device, the position adjusting device is connected with a signal transmitting device and a protective shell, the protective shell is connected with a cooling device, the cooling device is connected with a dehumidifying device, and the cooling device is connected with a driving device; the position adjusting device comprises a fixed base, a rotating motor, a lead screw, a nut, a movable supporting frame, a fixed column and a fixed supporting frame. The rotating motor drives the lead screw to rotate, so that the nut moves, the fixed supporting frame and the movable supporting frame rotate, the transmitting coil ascends, the charging efficiency can be improved, water in the water tank is conveyed to the conveying pipe through the water pump, the cooling ring cools the water conveyed by the water pump, and the water conveyed by the conveying pipe finally returns to the water tank. And damp air is blown into the evaporator through the draught fan, then the air sequentially passes through the compressor and the condenser, the air is sprayed out through the spray head, and cooling and dehumidification are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive wireless charging devices, and mainly relates to an electric vehicle wireless charging device. Background Art

[0003] Many electric vehicle wireless charging devices usually bury the charging device underground to save space. However, the transmitting coil of the existing buried electric vehicle wireless charging device is difficult to move, resulting in a relatively long distance between the receiving coil of the vehicle, so that the receiving coil receives less energy, wasting a large amount of energy during the charging process and resulting in a low charging efficiency. It is difficult to further improve the charging rate. Therefore, it is necessary to design an electric vehicle wireless charging device to solve the above problems. Summary of the Invention

[0004] The purpose of the present invention is to provide an electric vehicle wireless charging device, which raises the transmitting coil through a position adjustment device as close as possible to the receiving coil of the vehicle to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: An electric vehicle wireless charging device, including the ground and a position adjustment device located at the bottom of the ground. The top of the position adjustment device is connected to a signal transmitting device, the bottom of the position adjustment device is connected to a protective case, the lower surface of one side inside the protective case is connected to a cooling device, and one side of the top of the cooling device is connected to a driving device;

[0006] The position adjustment device includes a fixed base connected to the top of the protective case, a rotating motor connected to one side of the fixed base, a lead screw connected to the driving end of the rotating motor, and a nut penetrated and connected to one side of the lead screw. The nut is rotatably connected to a moving support frame. The top of the moving support frame is rotatably connected to the signal transmitting device. Both sides of the bottom of the signal transmitting device are slidably connected to fixed columns. One side of the fixed column is rotatably connected to a fixed support frame, and the bottom of the fixed support frame is rotatably connected to the fixed base;

[0007] A protective device is connected to the outside of the signal transmitting device. The protective device includes a waterproof plate slidably connected to the outer wall of the signal transmitting device and a plurality of second springs connected to the bottom of the waterproof plate.

[0008] In the present invention, the rotating motor facilitates the rotation of the lead screw, causing the signal transmitting device to rise and fall, realizing the signal transmitting device approaching and moving away from the vehicle, and the waterproof plate prevents rainwater from entering the driving device.

[0009] Further, the signal transmitting device includes a support shell rotatably connected to the top of the fixed support frame, a transmitting coil connected to the lower surface inside the support shell, and first springs connected to multiple top corners at the bottom of the support shell. A Bluetooth connector is connected to one side of the lower surface inside the support shell.

[0010] In the present invention, the transmitting coil is used to transmit a magnetic field to transfer energy to the vehicle. The Bluetooth connector facilitates the user to connect a wireless charging device. The first springs enable the support shell to descend with a buffer distance.

[0011] Further, limiting sliding grooves are provided on both sides at the bottom of the support shell;

[0012] One side of the fixed column is rotatably connected to a moving wheel, and the moving wheel is slidably connected to the groove body of the limiting sliding groove.

[0013] In the present invention, the moving wheel reduces the friction between the fixed column and the limiting sliding groove, facilitating the movement of the fixed column.

[0014] Further, the cooling device includes a water tank connected to the lower surface inside the protection shell, a water pump connected to one side of the top of the water tank, a delivery pipe connected to one side of the water pump through a pipeline, and a cooling ring connected to the outer wall of the pipeline. One side of the delivery pipe is connected to the water tank, and a dehumidifying device is connected to the top of the water tank.

[0015] In the present invention, the cooling ring facilitates cooling the water delivered by the water pump. The delivery pipe is spiral-shaped, facilitating overall temperature reduction.

[0016] Further, the dehumidifying device includes a blower connected to one side of the top of the water tank, an evaporator connected to one side of the blower, a compressor connected to one side of the evaporator through a hose, and a condenser connected to one side of the compressor through a hose. A spray head is provided on one side of the condenser;

[0017] One side of the evaporator is connected to the water tank through a hose.

[0018] In the present invention, the evaporator facilitates separating the moisture from the humid air, and the separated water flows into the water tank for storage and utilization.

[0019] Further, limiting blocks are fixed on both sides at the top of the ground. A storage groove is provided on the top of the ground. A water storage tank is provided outside the storage groove. The groove body of the water storage tank is connected to a second spring. The groove body of the water storage tank is connected to the water tank through a pipeline.

[0020] In the present invention, the limiting blocks facilitate the user to park more accurately. The storage groove facilitates hiding the signal transmitting device. The water storage tank is used to store rainwater and provide water source to the water tank.

[0021] Further, the driving device includes an energy shell connected to one side of the top of the water tank, a storage battery connected to one side inside the energy shell, and a controller connected to the other side inside the energy shell.

[0022] In the present invention, the controller facilitates the control of all components, and the storage battery facilitates the provision of energy.

[0023] Further, a heat dissipation plate is fixed to the outer wall of the energy shell, support plates are installed on both sides inside the energy shell, and the top of the support plates is connected to the energy shell and the controller.

[0024] In the present invention, the heat dissipation plate facilitates cooling and heat dissipation of the storage battery and the controller, and the support plates facilitate increasing the heat dissipation area of the storage battery and the controller.

[0025] Further, T-shaped chutes are provided on both sides of the top of the fixed base;

[0026] T-shaped sliders are fixed to both sides of the bottom of the movable support frame, and the T-shaped sliders are slidably connected to the troughs of the T-shaped chutes.

[0027] In the present invention, the T-shaped chutes facilitate restricting the position of the movable support frame and improve the stability of the movable support frame.

[0028] Further, one side of the blower is connected to a humidity sensor;

[0029] The top of the energy shell is connected to a temperature sensor, and the temperature sensor and the humidity sensor are signal-connected to the controller.

[0030] In the present invention, the humidity sensor facilitates monitoring the humidity of the device, and the temperature sensor facilitates monitoring the temperature of the device.

[0031] Compared with the prior art, the beneficial effects of the present invention are:

[0032] In the present invention, a rotating motor drives a lead screw to rotate, thereby causing a nut to move, and further causing a fixed support frame and a moving support frame to rotate and move, realizing the rising of the transmitting coil, bringing the transmitting coil closer to the vehicle receiving coil, which can improve the charging efficiency and increase the utilization rate of energy. During the working process, if the temperature or humidity is too high, the controller starts the cooling device and the dehumidifying device. The water in the water tank is conveyed to the conveying pipe by a water pump, and the cooling ring cools the water conveyed by the water pump to enhance the cooling effect. Moreover, the conveying pipe is spiral-shaped, facilitating comprehensive cooling. The water conveyed by the conveying pipe finally returns to the water tank for reuse. And the humid air is blown into the evaporator by a fan to facilitate the separation of the moisture in the humid air from the air, and the separated water flows into the water tank for storage and utilization. Then the air passes through a compressor and a condenser in sequence, and the dry and cold air is ejected through a nozzle to achieve cooling and dehumidification, avoiding fires and the inoperability of the device caused by too high temperature or too high humidity, and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic structural diagram of the whole of the present invention;

[0034] Figure 2 is a cross-sectional view of the whole of the present invention;

[0035] Figure 3 is a cross-sectional view of part of the device of the present invention;

[0036] Figure 4 is a schematic structural diagram of the position adjustment device and the transmitting device of the present invention;

[0037] Figure 5 is Figure 4 the enlarged view at A in

[0038] Figure 6 is a cross-sectional view of part of the device of the present invention;

[0039] Figure 7 is a cross-sectional view of part of the device of the present invention.

[0040] In the figure: 10, ground; 11, limit block; 12, storage groove; 13, water storage tank; 20, transmitting device; 21, support shell; 211, limit sliding groove; 22, transmitting coil; 23, first spring; 30, protective shell; 40, position adjusting device; 41, rotating motor; 42, lead screw; 43, lead nut; 44, moving support frame; 441, T-shaped slider; 45, fixed support frame; 46, fixed column; 461, moving wheel; 47, fixed base; 471, T-shaped sliding groove; 50, Bluetooth connector; 60, cooling device; 61, water tank; 62, water pump; 63, cooling ring; 64, delivery pipe; 70, dehumidifying device; 71, fan; 72, evaporator; 73, compressor; 74, condenser; 75, nozzle; 80, protection device; 81, waterproof board; 82, second spring; 90, driving device; 91, energy shell; 911, heat dissipation board; 912, support board; 92, storage battery; 93, controller; 100, temperature sensor; 110, humidity sensor. Detailed implementation manner

[0041] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

[0042] It should be noted that when an element is referred to as "fixed on" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are only for the purpose of illustration.

[0043] Unless otherwise defined, all technical and scientific terms used in this article have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention in this article are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The terms and / or combinations used in this article include any and all combinations of one or more related listed items.

[0044] Embodiment, please refer to the attached Figures 1-7 , an electric vehicle wireless charging device, including a ground 10 and a position adjusting device 40 located at the bottom of the ground 10. The top of the position adjusting device 40 is connected to a signal transmitting device 20, the bottom of the position adjusting device 40 is connected to a protective shell 30, one side of the inner lower surface of the protective shell 30 is connected to a cooling device 60, and one side of the top of the cooling device 60 is connected to a driving device 90;

[0045] The position adjustment device 40 includes a fixed base 47 connected to the top of the protective shell 30, a rotating motor 41 connected to one side of the fixed base 47, a lead screw 42 connected to the driving end of the rotating motor 41, and a nut 43 penetrating and connected to one side of the lead screw 42. The nut 43 is rotatably connected to a moving support frame 44. The top of the moving support frame 44 is rotatably connected to the signal transmitting device 20. Both sides of the bottom of the signal transmitting device 20 are slidably connected to fixed columns 46. One side of the fixed column 46 is rotatably connected to a fixed support frame 45. The bottom of the fixed support frame 45 is rotatably connected to the fixed base 47;

[0046] A protective device 80 is connected to the outside of the signal transmitting device 20. The protective device 80 includes a waterproof plate 81 slidably connected to the outer wall of the signal transmitting device 20 and a plurality of second springs 82 connected to the bottom of the waterproof plate 81.

[0047] It should be noted that in the embodiment, the rotating motor 41 drives the lead screw 42 to rotate, so that the nut 43 moves, and further the fixed support frame 45 and the moving support frame 44 rotate and move, realizing the lifting of the signal transmitting device 20, enabling the signal transmitting device 20 to approach and move away from the vehicle. The waterproof plate 81 prevents rainwater from entering the driving device 90, and the second springs 82 facilitate the telescoping of the waterproof plate 81.

[0048] For the embodiment, please refer to the attached Figures 3-4 The signal transmitting device 20 includes a support shell 21 rotatably connected to the top of the fixed support frame 45, a transmitting coil 22 connected to the lower surface inside the support shell 21, and a first spring 23 connected to the bottom corners of the support shell 21. A Bluetooth connector 50 is connected to one side of the lower surface inside the support shell 21.

[0049] It should be noted that in the embodiment, the transmitting coil 22 is used to transmit a magnetic field to transfer energy to the vehicle. The Bluetooth connector 50 facilitates the user to connect to a wireless charging device, and the first spring 23 allows the support shell 21 to have a buffer distance when descending.

[0050] For the embodiment, please refer to the attached Figures 4-5 Both sides of the bottom of the support shell 21 are provided with limiting sliding grooves 211;

[0051] One side of the fixed column 46 is rotatably connected to a moving wheel 461, and the moving wheel 461 is slidably connected to the groove body of the limiting sliding groove 211.

[0052] It should be noted that in the embodiment, the moving wheel 461 reduces the friction between the fixed column 46 and the limiting sliding groove 211, facilitating the movement of the fixed column 46.

[0053] For the embodiments, please refer to the attached Figures 6-7 , the cooling device 60 includes a water tank 61 connected to the lower surface inside the protective housing 30, a water pump 62 connected to one side of the top of the water tank 61, a delivery pipe 64 connected to one side of the water pump 62 through a pipeline, and a cooling ring 63 connected to the outer wall of the pipeline. One side of the delivery pipe 64 is connected to the water tank 61, and the top of the water tank 61 is connected to a dehumidifying device 70.

[0054] It should be noted that in the embodiment, the water pump 62 transports the water in the water tank 61 to the delivery pipe 64, and the cooling ring 63 cools the water transported by the water pump 62 to enhance the cooling effect. The delivery pipe 64 is spiral-shaped to facilitate overall cooling, and the water transported by the delivery pipe 64 finally returns to the water tank 61 for reuse.

[0055] For the embodiments, please refer to the attached Figure 2 and Figure 7 , the dehumidifying device 70 includes a blower 71 connected to one side of the top of the water tank 61, an evaporator 72 connected to one side of the blower 71, a compressor 73 connected to one side of the evaporator 72 through a hose, and a condenser 74 connected to one side of the compressor 73 through a hose. A nozzle 75 is provided on one side of the condenser 74;

[0056] One side of the evaporator 72 is connected to the water tank 61 through a hose.

[0057] It should be noted that in the embodiment, the blower 71 blows the humid air into the evaporator 72 to facilitate the separation of the moisture in the humid air from the air. The separated water flows into the water tank 61 for storage and utilization, and then the air passes through the compressor 73 and the condenser 74 in sequence, and the dry and cold air is sprayed out through the nozzle 75.

[0058] For the embodiments, please refer to the attached Figure 2 , on both sides of the top of the ground 10, limiting blocks 11 are fixed. A storage groove 12 is provided on the top of the ground 10. An external water storage tank 13 is provided outside the storage groove 12. The tank body of the water storage tank 13 is connected to a second spring 82, and the tank body of the water storage tank 13 is connected to the water tank 61 through a pipeline.

[0059] It should be noted that in the embodiment, the limiting blocks 11 facilitate the user to park more accurately. The storage groove 12 is convenient for hiding the signal transmitting device 20. The water storage tank 13 is used for storing rainwater and can be transported to the water tank 61 for use to save resources.

[0060] For the embodiments, please refer to the attached Figure 6, the driving device 90 includes an energy housing 91 connected to one side of the top of the water tank 61, a storage battery 92 connected to one side inside the energy housing 91, and a controller 93 connected to the other side inside the energy housing 91.

[0061] It should be noted that, in the embodiment, the controller 93 facilitates controlling all components, and the storage battery 92 facilitates providing energy.

[0062] For the embodiment, please refer to the appendix Figure 6 , a heat dissipation plate 911 is fixed on the outer wall of the energy housing 91, support plates 912 are installed on both sides inside the energy housing 91, and the top of the support plates 912 is connected to the energy housing 91 and the controller 93.

[0063] It should be noted that, in the embodiment, the heat dissipation plate 911 facilitates cooling and heat dissipation of the storage battery 92 and the controller 93, and the heat dissipation plate 911 is spiral and is in contact with the delivery pipe 64. The support plates 912 facilitate increasing the heat dissipation area of the storage battery 92 and the controller 93.

[0064] For the embodiment, please refer to the appendix Figure 4 , T-shaped chutes 471 are provided on both sides of the top of the fixed base 47;

[0065] T-shaped sliders 441 are fixed on both sides of the bottom of the moving support frame 44, and the T-shaped sliders 441 are slidably connected to the grooves of the T-shaped chutes 471.

[0066] It should be noted that, in the embodiment, the T-shaped chutes 471 facilitate restricting the position of the moving support frame 44 and improve the stability of the moving support frame 44.

[0067] For the embodiment, please refer to the appendix Figure 7 , a humidity sensor 110 is connected to one side of the blower 71;

[0068] The top of the energy housing 91 is connected to a temperature sensor 100, and the temperature sensor 100 and the humidity sensor 110 are signal-connected to the controller 93.

[0069] It should be noted that, in the embodiment, the humidity sensor 110 facilitates monitoring the humidity of the device, and the temperature sensor 100 facilitates monitoring the temperature of the device. If the temperature or humidity is too high, the cooling device 60 and the dehumidifying device 70 are started through the controller 93.

[0070] The specific operation mode of the present invention is as follows:

[0071] The present invention first makes the rear wheels of the vehicle abut against the limit block 11. Then, the user selects the charging time by connecting the Bluetooth connector 50. After starting the charging, the motor 41 is rotated to drive the lead screw 42 to rotate, so that the lead nut 43 moves, and then the fixed support frame 45 and the movable support frame 44 rotate and move, realizing the rising of the transmitting coil 22 and making the transmitting coil 22 approach the vehicle receiving coil. During the working process, if the temperature or humidity is too high, the cooling device 60 and the dehumidifying device 70 are started by the controller 93. The water in the water tank 61 is conveyed to the conveying pipe 64 by the water pump 62. The cooling ring 63 cools the water conveyed by the water pump 62 to enhance the cooling effect. Moreover, the conveying pipe 64 is spiral-shaped to facilitate overall cooling. The water conveyed by the conveying pipe 64 finally returns to the water tank 61 for reuse. The humid air is blown into the evaporator 72 by the blower 71 to facilitate the separation of the moisture in the humid air from the air. And the separated water flows into the water tank 61 for storage and utilization. Then, the air sequentially passes through the compressor 73 and the condenser 74, and the dry and cold air is ejected through the nozzle 75 to realize cooling and dehumidification.

[0072] The above describes the present invention by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A wireless charging device for an electric vehicle, comprising a ground (10) and a positioning device (40) located at the bottom of the ground (10), characterized in that: The top of the positioning device (40) is connected to the signal transmitting device (20), the bottom of the positioning device (40) is connected to the protective shell (30), one side of the lower surface inside the protective shell (30) is connected to the cooling device (60), and one side of the top of the cooling device (60) is connected to the driving device (90); The positioning device (40) comprises a fixed base (47) connected to the top of the protective shell (30), a rotating motor (41) connected to one side of the fixed base (47), a screw rod (42) connected to the driving end of the rotating motor (41) and a nut (43) connected to one side of the screw rod (42), the nut (43) is rotatably connected to a movable support frame (44), the top of the movable support frame (44) is rotatably connected to a signal transmitting device (20), the bottom of the signal transmitting device (20) is slidably connected to fixed columns (46), one side of the fixed column (46) is rotatably connected to a fixed supporting frame (45), and the bottom of the fixed supporting frame (45) is rotatably connected to a fixed base (47); The signal transmitting device (20) is externally connected to a protective device (80), and the protective device (80) comprises a waterproof plate (81) slidably connected to the outer wall of the signal transmitting device (20) and a plurality of second springs (82) connected to the bottom of the waterproof plate (81).

2. The wireless charging device for electric vehicles according to claim 1, characterized in that: The signal transmitting device (20) comprises a supporting shell (21) rotatably connected to the top of the fixed supporting frame (45), a transmitting coil (22) connected to the inner lower surface of the supporting shell (21), and a first spring (23) connected to multiple top corners of the bottom of the supporting shell (21); one side of the inner lower surface of the supporting shell (21) is connected to a Bluetooth connector (50).

3. The wireless charging device for electric vehicles according to claim 2, characterized in that: The supporting shell (21) has limiting sliding grooves (211) on both sides of the bottom. One side of the fixed column (46) is rotatably connected to a moving wheel (461), and the moving wheel (461) is slidably connected to the groove body of the limiting sliding groove (211).

4. The wireless charging device for electric vehicles according to claim 1, characterized in that: The cooling device (60) comprises a water tank (61) connected to the lower surface of the interior of the protective shell (30), a water pump (62) connected to one side of the top of the water tank (61), a delivery pipe (64) connected to one side of the water pump (62) via a pipeline, and a cooling ring (63) connected to the outer wall of the pipe, one side of the delivery pipe (64) is connected to the water tank (61), and the top of the water tank (61) is connected to a dehumidification device (70).

5. The wireless charging device for electric vehicles according to claim 4, characterized in that: The dehumidification device (70) comprises a fan (71) connected to one side of the top of the water tank (61), an evaporator (72) connected to one side of the fan (71), a compressor (73) connected to one side of the evaporator (72) via a hose, and a condenser (74) connected to one side of the compressor (73) via a hose, and a nozzle (75) is provided on one side of the condenser (74); One side of the evaporator (72) is connected to the water tank (61) via a hose.

6. The wireless charging device for electric vehicles according to claim 5, characterized in that: Limiting blocks (11) are fixed on both sides of the top of the floor (10); a storage tank (12) is provided on the top of the floor (10); a water storage tank (13) is provided outside the storage tank (12); a tank body of the water storage tank (13) is connected to a second spring (82); and the tank body of the water storage tank (13) is connected to a water tank (61) via a pipeline.

7. The wireless charging device for electric vehicles according to claim 5, characterized in that: The driving device (90) comprises an energy shell (91) connected to one side of the top of the water tank (61), a storage battery (92) connected to one side of the interior of the energy shell (91), and a controller (93) connected to the other side of the interior of the energy shell (91).

8. The wireless charging device for electric vehicles according to claim 7, characterized in that: A heat sink (911) is fixed to the outer wall of the energy shell (91), support plates (912) are installed on both sides of the interior of the energy shell (91), and the top of the support plate (912) is connected to the energy shell (91) and the controller (93).

9. The wireless charging device for electric vehicles according to claim 1, characterized in that: T-shaped slide grooves (471) are provided on both sides of the top of the fixed base (47); T-shaped sliding blocks (441) are fixed on both sides of the bottom of the movable support frame (44), and the T-shaped sliding blocks (441) are slidably connected to the groove body of the T-shaped sliding groove (471).

10. The wireless charging device for electric vehicles according to claim 8, characterized in that: One side of the fan (71) is connected to a humidity sensor (110); The top of the energy shell (91) is connected to a temperature sensor (100), and the temperature sensor (100) and the humidity sensor (110) are connected to the controller (93) via signals.

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