CN209955779U

CN209955779U - Bury wireless charging device of formula electric automobile

Info

Publication number: CN209955779U
Application number: CN201920874881.8U
Authority: CN
Inventors: 卓财生; 徐阳光; 谭万富; 张东; 李聪; 孙伟锋
Original assignee: Chongqing Institute of Engineering
Current assignee: Chongqing Institute of Engineering
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-01-17
Anticipated expiration: 2029-06-12

Abstract

The utility model belongs to the technical field of wireless charging of automobiles, in particular to a buried wireless charging device of an electric automobile, which comprises a charging device box body and a processor, wherein the upper side of the charging device box body is connected with a charging emission plate, a charging emission coil is arranged inside the charging emission plate, the charging emission plate is provided with a position emitter, a signal transmitter and a signal shielding film, the inner wall of the charging device box body is fixedly connected with a wireless charging emission host, a temperature sensor and a humidity sensor, the bottom surface of the charging device box body is provided with a drainage tank, a semiconductor refrigerator is arranged on the upper side of the drainage tank, the semiconductor refrigerator is provided with dehumidifying fins, the charging device box body is connected with a drainage funnel, the drainage tank is connected with a drainage pipe, the drainage pipe is connected with a filter pipe, the lower side of the charging device box body is provided with a cooling, the heating panel is fixedly connected with the box wall of the charging device box body, and the heating panel is connected with heat dissipation fins.

Description

Bury wireless charging device of formula electric automobile

Technical Field

The utility model belongs to the technical field of the wireless charging of car, concretely relates to bury wireless charging device of formula electric automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. With the development of new energy vehicles, the charging of new energy vehicles becomes one of important factors influencing the use of new energy, the charging of new energy vehicles is divided into wired charging and wireless charging, and compared with wired charging, the wireless charging of electric vehicles has no exposed connector, so that potential safety hazards such as electric leakage and electric leakage are thoroughly avoided. By adopting wireless charging, the power supply and the transformer can be hidden underground, so that the automobile can be charged at a parking place or a special charging point at the street. The device for wirelessly charging the electric automobile comprises a vehicle end and a non-vehicle end, wherein the wireless charging device at the non-vehicle end provides energy for the wireless charging device at the vehicle end, the wireless charging device at the vehicle end is arranged on the electric automobile and is provided with a signal receiving structure so as to be relevant to receiving, the existing wireless charging device at the non-vehicle end is buried underground and is positioned in a closed space, and the wireless charging device is mostly charged by an electromagnetic coupling principle, so that the heat productivity is larger, the closed space is not beneficial to heat dissipation, the heat is accumulated in the wireless charging device, and the moisture is larger, and both the heat accumulation and the moisture can influence the use of the charging device when being buried in the ground; meanwhile, the charging is carried out in an electromagnetic coupling mode, and in order to increase the charging transmission efficiency, the positions of the vehicle end and the non-vehicle end need to be positioned accurately.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the underground wireless charging device for the electric automobile not only can prevent heat accumulation and large moisture in the charging device, enables the charging device to operate in a good working environment, but also has a positioning device, and is convenient to accurately position a charging port at a vehicle end.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a buried wireless charging device for an electric automobile comprises a charging device box body and a processor, wherein the processor is arranged inside the charging device box body, a charging emission plate is connected to the upper side of the charging device box body, a charging emission coil is arranged inside the charging emission plate, position emitters are arranged at four corners of the charging emission plate, a signal transmitter is arranged in the center of the charging emission plate, a signal shielding film is arranged on the lower side of the charging emission plate, a wireless charging emission host, a temperature sensor and a humidity sensor are fixedly connected to the inner wall of the charging device box body, the bottom surface of the charging device box body is an inclined surface, a drain groove is arranged on the lowest side of the bottom surface of the charging device box body, a semiconductor refrigerator is connected to the inner wall of the charging device box body on the upper side of the drain groove in a penetrating manner, and dehumidifying fins are arranged, the vertical align to grid of dehumidification fin, the inside fixedly connected with of charging device box and dehumidification fin assorted drainage funnel, the drainage funnel other end is located inside the drain tank, the drain tank is connected with the drain pipe, the drain pipe slope is downwards, the drain pipe is connected with the filter tube, the inside parallel arrangement of filter tube has two nets that absorb water, it is equipped with a plurality of water conservancy diversion iron sheets to absorb water the net downside, and charging device box downside is equipped with coolant tank, coolant tank is connected with the water pump, the water pump is connected with the circulative cooling pipe, circulative cooling pipe fixedly connected with heating panel, the heating panel is connected with the charging device box tank wall fixed connection of wireless charging emission host computer one side, the heating panel is connected with the heat dissipation fin with circulative cooling pipe assorted, treater power input end is connected with the external power electricity, treater power output end and wireless charging emission host computer, The semiconductor refrigerator is electrically connected with the water pump, the signal output end of the processor is in signal connection with the position transmitter and the signal transmitter, and the signal input end of the processor is electrically connected with the signal transmitter, the temperature sensor and the humidity sensor.

By adopting the technical scheme of the utility model, the electric automobile end charging device can accurately know the position range of the charging device for high-efficiency charging by receiving the signals transmitted by the four position transmitters positioned at the edge of the charging transmitting plate and comparing the signals with the self position, thereby facilitating the position calibration of operators; the signal transmitter is used for information transmission between the wireless charging device and the electric automobile end charging device; using a signal shielding film to prevent signal interference; the heat dissipation fins in the heat dissipation plate are convenient for guiding out heat inside the charging device box body, when the temperature inside the charging device box body is overhigh due to the work of the wireless charging emission host, the temperature sensor detects a signal and transmits the signal to the processor, the processor starts the water pump, the circulating cooling pipe is connected with cold water, the cooling of the heat dissipation fins is accelerated, the cooling water tank is positioned on the lower side of the charging device box body, the temperature of the ground is lower than the normal temperature, and most wireless charging devices are in an idle state, the actual working time every day is short, and therefore natural cooling by water temperature is directly adopted; when the humidity sensor detects that the humidity in the charging device box is overhigh, the semiconductor refrigerator is switched on, the semiconductor refrigerator on one side in the charging device box refrigerates and heats the other side in the charging device box, the dehumidifying fins are contacted with moisture and cool water vapor in the dehumidifying fins, and because the dehumidifying fins are vertically and uniformly arranged, cooled water drops flow into the dewatering funnel along the dehumidifying fins and are led out through the dewatering tube and the filter tube; the water absorption net in the filter pipe can absorb moisture in the air, so that the moisture is prevented from flowing backwards into the box body of the charging device, the double layers are used, when the water absorption net on the lower side completely absorbs the moisture to be saturated to form a water film, the moisture is prevented from entering, and the water absorption net on the upper side is used for absorbing the moisture diffused by the water absorption net on the lower side, so that the moisture insulation effect is better; the guide iron sheet can not only discharge liquid, but also increase the contact area with air, thereby facilitating the condensation of moisture and avoiding the moisture from entering the drain pipe; the utility model discloses not only can prevent inside amasss heat and great moisture of charging device, make charging device move under good operational environment, have positioner simultaneously, be convenient for carry out the accurate positioning with vehicle end charging mouth.

Further limiting, the charging device box body is provided with a maintenance hatch door, and the maintenance hatch door and the charging device box body are sealed. The structure is convenient to maintain.

Further, the surface of the dehumidifying fin is coated with hydrophobic paint. The structure is convenient for the dehumidification fin to be hydrophobic.

Further limit, a silicate heat insulation layer is arranged between the charging device box body and the charging emission plate. With such a structure, even if the earth surface is exposed to the sun, the temperature of the charging device box is not increased obviously.

Further, the two water absorption nets are obliquely arranged. The structure is convenient for dredging the water condensed by the water absorption net.

Further, the filter pipe is fixedly connected with the cooling water tank through a pipe hoop. With the structure, the filter tube has stable structure and is convenient to use.

Compared with the prior art, the utility model, have following advantage:

1. the heat dissipation performance is good, and the heat dissipation structure is suitable for the environment of ground bottom sealing;

2. the semiconductor refrigerator has good dehumidification effect, and can effectively condense, collect and remove moisture in the charging device box body by the semiconductor refrigerator aiming at the problem of high ground bottom humidity, and the filter pipe can also prevent the moisture from flowing backwards into the charging device box body;

3. the position range of the charging device for efficient charging can be accurately known through the position transmitter, so that an operator can conveniently calibrate the position;

4. the signal shielding film is used for preventing signal interference, and the silicate heat insulation layer is used for heat insulation, so that the allowable environment of the wireless charging device is improved.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a first schematic structural diagram of an embodiment of a wireless charging device for a buried electric vehicle of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the wireless charging device for an underground electric vehicle according to the present invention;

fig. 3 is a schematic structural diagram of the inside of a charging device box of an embodiment of the wireless charging device for an underground electric vehicle according to the present invention;

fig. 4 is a schematic structural view of a filter tube according to an embodiment of the wireless charging device for an underground electric vehicle of the present invention;

the main element symbols are as follows:

the device comprises a charging device box body 1, a water drainage tank 11, a water drainage funnel 13, a maintenance cabin door 14, a processor 2, a charging emission plate 3, a position emitter 31, a signal transmitter 32, a signal shielding film 33, a wireless charging emission host 4, a temperature sensor 41, a humidity sensor 42, a semiconductor refrigerator 5, a dehumidification fin 51, a water drainage pipe 6, a filter pipe 61, a water suction net 611, a diversion iron sheet 612, a cooling water tank 7, a water pump 71, a circulating cooling pipe 72, a heat dissipation plate 73 and a heat dissipation fin 731.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in FIGS. 1-4, the wireless charging device of a buried electric vehicle of the present invention comprises a charging device case 1 and a processor 2, wherein the processor 2 is disposed inside the charging device case 1, a charging emitter plate 3 is connected to the upper side of the charging device case 1, a charging emitter coil is disposed inside the charging emitter plate 3, position emitters 31 are disposed at four corners of the charging emitter plate 3, a signal transmitter 32 is disposed at the center of the charging emitter plate 3, a signal shielding film 33 is disposed at the lower side of the charging emitter plate 3, a wireless charging emitter 4, a temperature sensor 41 and a humidity sensor 42 are fixedly connected to the inner wall of the charging device case 1, the bottom surface of the charging device case 1 is an inclined surface, a drain tank 11 is disposed at the lowest side of the bottom surface of the charging device case 1, a semiconductor refrigerator 5 is connected to the inner wall of the charging device case 1 at the upper side of the drain tank 11, and a dehumidifying fin 51 is disposed, the dehumidifying fins 51 are vertically and uniformly arranged, a drain funnel 13 matched with the dehumidifying fins 51 is fixedly connected inside the charging device box body 1, the other end of the drain funnel 13 is positioned inside a drain groove 11, the drain groove 11 is connected with a drain pipe 6, the drain pipe 6 inclines downwards, the drain pipe 6 is connected with a filter pipe 61, two water absorption nets 611 are arranged inside the filter pipe 61 in parallel, a plurality of guide iron sheets 612 are arranged on the lower side of each water absorption net 611, a cooling water tank 7 is arranged on the lower side of the charging device box body 1, the cooling water tank 7 is connected with a water pump 71, the water pump 71 is connected with a circulating cooling pipe 72, the circulating cooling pipe 72 is fixedly connected with a heat dissipation plate 73, the heat dissipation plate 73 is fixedly connected with the wall of the charging device box body 1 on one side of the wireless charging emission host machine 4, the heat dissipation plate 73 is connected with heat dissipation fins 731 matched with the, The semiconductor refrigerator 5 is electrically connected with the water pump 71, the signal output end of the processor 2 is in signal connection with the position transmitter 31 and the signal transmitter 32, and the signal input end of the processor 2 is electrically connected with the signal transmitter 32, the temperature sensor 41 and the humidity sensor 42.

By adopting the technical scheme of the utility model, the electric automobile end charging device can accurately know the position range of the charging device for high-efficiency charging by receiving the signals transmitted by the four position transmitters 31 positioned at the edge of the charging transmitting plate 3 and comparing the signals with the self position, thereby facilitating the position calibration of operators; the signal transmitter 32 is used for information transmission between the wireless charging device and the electric automobile end charging device; the signal shielding film 33 is used to prevent signal interference; the heat dissipation fins 731 in the heat dissipation plate 73 are convenient for conducting out heat inside the charging device box 1, when the temperature inside the charging device box 1 is too high due to the operation of the wireless charging emission host 4, the temperature sensor 41 detects a signal and transmits the signal to the processor 2, the processor 2 starts the water pump 71, so that the circulating cooling pipe 72 is connected with cold water, the cooling of the heat dissipation fins 731 is accelerated, and since the cooling water tank 7 is positioned at the lower side of the charging device box 1, the temperature of the ground is lower than the normal temperature, and most wireless charging devices are in an idle state, the actual working time every day is short, the wireless charging devices can be directly cooled by water temperature naturally, and the cost is saved; when the humidity sensor 42 detects that the humidity in the charging device box 1 is too high, the semiconductor refrigerator 5 is powered on, the semiconductor refrigerator 5 on one side inside the charging device box 1 cools and the semiconductor refrigerator 5 on the other side heats, the dehumidifying fins 51 contact with the moisture and cool the water vapor therein, and because the dehumidifying fins 51 are vertically and uniformly arranged, the cooled water drops flow into the water draining funnel 13 along the dehumidifying fins 51 and are led out through the water draining pipe 6 and the filtering pipe 61; the water absorption net 611 in the filter pipe 61 can absorb moisture in the air, so that the moisture is prevented from flowing backwards into the charging device box 1, a double layer is used, when the water absorption net 611 on the lower side completely absorbs the moisture to form a water film after saturation, the moisture is prevented from entering, and the water absorption net 611 on the upper side is used for absorbing the moisture diffused by the water absorption net 611 on the lower side, so that the moisture insulation effect is better; the guide iron sheet can not only remove liquid, but also increase the contact area with air, so as to facilitate the condensation of moisture and avoid the moisture from entering the drain pipe 6; the utility model discloses not only can prevent inside amasss heat and great moisture of charging device, make charging device move under good operational environment, have positioner simultaneously, be convenient for carry out the accurate positioning with vehicle end charging mouth.

Preferably, the charging device box 1 is provided with a maintenance hatch 14, and the maintenance hatch 14 is sealed with the charging device box 1. The structure is convenient to maintain. In fact, it is also possible to increase the number of service hatches 14, as the case may be, to facilitate the maintenance operations.

It is preferable that the surface of the dehumidifying fin 51 is coated with hydrophobic paint. Such a structure facilitates the dehumidification fin 51 to be hydrophobic. In fact, other hydrophobic structures may be used to facilitate the hydrophobic property of the dehumidifying fin 51, as the case may be.

Preferably, a silicate heat insulation layer is arranged between the charging device box body 1 and the charging emission plate 3. With this structure, even if the earth's surface is exposed to the sun, the temperature of the charging device case 1 does not rise significantly. In fact, other insulating materials may be used as the case may be.

It is preferable that both water absorption nets 611 are obliquely arranged. Such a structure facilitates the drainage of water condensed by the water absorption net 611. In fact, other structural shapes may be used to facilitate channeling of water condensed from the water-absorbing net 611, as the case may be.

Preferably, the filter tube 61 is fixedly connected to the cooling water tank 7 by a pipe clamp. With such a structure, the filtering pipe 61 is stable in structure and convenient to use. In fact, other connection methods between the filter pipe 61 and the cooling water tank 7 may be considered as appropriate.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a bury wireless charging device of formula electric automobile, includes charging device box (1) and treater (2), treater (2) set up inside charging device box (1), its characterized in that: the charging device is characterized in that a charging transmitting plate (3) is connected to the upper side of a charging device box body (1), a charging transmitting coil is arranged inside the charging transmitting plate (3), position transmitters (31) are arranged at four corners of the charging transmitting plate (3), a signal transmitter (32) is arranged at the center of the charging transmitting plate (3), a signal shielding film (33) is arranged at the lower side of the charging transmitting plate (3), a wireless charging transmitting host (4), a temperature sensor (41) and a humidity sensor (42) are fixedly connected to the inner wall of the charging device box body (1), the bottom surface of the charging device box body (1) is an inclined plane, a drain groove (11) is arranged at the lowest side of the bottom surface of the charging device box body (1), a semiconductor refrigerator (5) penetrates through the inner wall of the charging device box body (1) at the upper side of the drain groove (11), and dehumidification fins (51) are arranged at one side of the semiconductor refrigerator, dehumidification fin (51) vertical align to grid, the inside fixedly connected with of charging device box (1) and dehumidification fin (51) assorted hydrophobic funnel (13), hydrophobic funnel (13) other end is located inside hydrophobic groove (11), hydrophobic groove (11) are connected with drain pipe (6), drain pipe (6) slope is downwards, drain pipe (6) are connected with filter tube (61), the inside parallel arrangement of filter tube (61) has two net (611) that absorb water, net (611) downside that absorbs water is equipped with a plurality of water conservancy diversion iron sheets (612), and charging device box (1) downside is equipped with coolant tank (7), coolant tank (7) are connected with water pump (71), water pump (71) are connected with circulative cooling pipe (72), circulative cooling pipe (72) fixedly connected with heating panel (73), heating panel (73) and wireless charging device box (1) the fixed connection tank wall of transmitting host (4) one side And the heat dissipation plate (73) is connected with a heat dissipation fin (731) matched with the circulating cooling pipe (72), the power input end of the processor (2) is electrically connected with an external power supply, the power output end of the processor (2) is electrically connected with the wireless charging emission host (4), the semiconductor refrigerator (5) and the water pump (71), the signal output end of the processor (2) is in signal connection with the position emitter (31) and the signal transmitter (32), and the signal input end of the processor (2) is electrically connected with the signal transmitter (32), the temperature sensor (41) and the humidity sensor (42).

2. The wireless charging device of claim 1, wherein: the charging device box body (1) is provided with a maintenance hatch door (14), and the maintenance hatch door (14) is sealed with the charging device box body (1).

3. The wireless charging device of claim 2, wherein: the surface of the dehumidifying fin (51) is coated with hydrophobic paint.

4. The wireless charging device of claim 3, wherein: and a silicate heat insulation layer is arranged between the charging device box body (1) and the charging emission plate (3).

5. The wireless charging device of claim 4, wherein: the two water absorption nets (611) are arranged obliquely.

6. The wireless charging device of claim 5, wherein: the filter pipe (61) is fixedly connected with the cooling water tank (7) through a pipe hoop.