CN111409475A - Wireless charging device for electric automobile - Google Patents

Wireless charging device for electric automobile Download PDF

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Publication number
CN111409475A
CN111409475A CN202010296893.4A CN202010296893A CN111409475A CN 111409475 A CN111409475 A CN 111409475A CN 202010296893 A CN202010296893 A CN 202010296893A CN 111409475 A CN111409475 A CN 111409475A
Authority
CN
China
Prior art keywords
wireless charging
electric automobile
fixed
threaded rod
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010296893.4A
Other languages
Chinese (zh)
Inventor
陈任峰
李辉
任忠和
成玉龙
王先汉
张磊
程志航
李军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI YOUSAI TECHNOLOGY CO LTD
Original Assignee
ANHUI YOUSAI TECHNOLOGY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI YOUSAI TECHNOLOGY CO LTD filed Critical ANHUI YOUSAI TECHNOLOGY CO LTD
Priority to CN202010296893.4A priority Critical patent/CN111409475A/en
Publication of CN111409475A publication Critical patent/CN111409475A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The invention discloses a wireless charging device for an electric automobile, which relates to the field of electric automobiles and comprises a placing block, a charging device and a charging device, wherein an inner cavity is formed in the placing block, the placing block is fixed in a placing groove formed in the ground surface, and a through hole communicated with the inner cavity is formed in the upper end surface of the placing block; the wireless charger is positioned in the through hole and is electrically connected with the charging power supply; the wireless charging receiver is fixed on the electric automobile chassis and is electrically connected with a battery in the electric automobile; when the electric automobile runs to the upper end face of the placing block, the wireless charging receiver is located above the through hole, if the electric automobile needs to be charged at the moment, the wireless charging receiver is difficult to be located right above the wireless charger when the electric automobile is parked, so that the wireless charger moves to a position right below the wireless charging receiver through adjustment of the adjusting portion, and the charging efficiency of wireless charging is effectively improved.

Description

Wireless charging device for electric automobile
Technical Field
The invention relates to the field of electric automobiles, in particular to a wireless charging device for an electric automobile.
Background
The non-contact Power supply technology, also called as Wireless Power Transfer (WPT for short), refers to a technology that uses the distribution or propagation characteristics of electromagnetic energy and electromagnetic waves in a physical space to realize the Transfer of electric energy from a Power supply side to a load side in a non-conductive direct contact manner, in the early 20 th century, in the 60 th era, william c brown, etc. of the american leishen corporation, a great deal of Wireless Power transmission research is done, and an experimental basis of the Wireless Power supply technology is laid, so that the concept becomes a reality.
The applicant found that: when the electric automobile is parked and is ready to be charged, the wireless charging receiver is over against the wireless charger, so that the charging efficiency is relatively high, but when the electric automobile is actually parked, the wireless charging receiver is difficult to be over against the wireless charger, so that the charging efficiency is reduced.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a wireless charging device for an electric vehicle, so as to solve the technical problem in the prior art that it is difficult to make a wireless charging receiver directly face a wireless charger when the vehicle is actually parked, and the charging efficiency is reduced.
Based on the above purpose, the invention provides a wireless charging device for an electric vehicle, comprising
The device comprises a placing block, a positioning block and a positioning block, wherein an inner cavity is formed in the placing block, the placing block is fixed in a placing groove formed in the ground surface, and a through hole communicated with the inner cavity is formed in the upper end surface of the placing block;
the wireless charger is positioned in the through hole and is electrically connected with the charging power supply;
the wireless charging receiver is fixed on the electric automobile chassis and is electrically connected with a battery in the electric automobile;
when the electric automobile runs to the upper end face of the placing block, the wireless charging receiver is located above the through hole, and the wireless charger is located right below the wireless charging receiver through the adjusting portion.
Further, the adjusting part comprises a first sliding block, a first motor, a first threaded rod, a second sliding block, a second threaded rod and a second motor; the first motor is fixed on the side wall of the inner cavity, one end of the first threaded rod is connected with an output shaft of the first motor through a coupler, and the other end of the first threaded rod is connected with the other side wall of the inner cavity through a bearing; the first sliding block is in threaded connection with the first threaded rod, and the bottom of the first sliding block is in sliding connection with a first sliding groove formed in the bottom of the inner cavity; the upper end surface of the first sliding block is provided with a second sliding groove, and the second sliding block is connected with the second sliding groove in a sliding manner; the second motor is fixed at one end of the second sliding chute, one end of the second threaded rod is connected with the other end of the second sliding chute through a bearing, the other end of the second threaded rod is connected with an output shaft of the second motor through a bearing, and the second sliding block is in threaded connection with the second threaded rod; the central axis of the first threaded rod is perpendicular to the central axis of the second threaded rod; the wireless charger is connected with the upper end face of the second sliding block.
Furthermore, the adjusting part further comprises at least one cylinder, the cylinder is fixed in the second sliding block, and an output shaft of the cylinder is fixedly connected with the wireless charger and used for adjusting the height of the wireless charger.
Further, including extension board, a plurality of photosensitive element, infrared emitter, ultrasonic receiver and supersonic generator, infrared emitter is equipped with two, and the symmetry sets up the both sides at wireless charging receiver, extension board and infrared emitter one-to-one extend the side that the board is fixed in first slider, and is located the top of first threaded rod, photosensitive element is the up end that the mode of rectangular array is fixed in the extension board for the infrared light that response infrared emitter sent, ultrasonic receiver is fixed in the upper end central point of wireless charger and puts, supersonic generator is fixed in wireless charging receiver's lower terminal surface central point and puts.
Further, including guide board and limit switch, the up end of placing the piece is inlayed and is used for guiding the wheel walking the guide board, the position that the guide board up end is close to one end is equipped with limit switch, when electric automobile's rear wheel contacted limit switch, wireless charging receiver is located the top of through-hole.
The water tank is positioned in the placing groove and fixed on the side face of the placing block, an outlet of the water tank is communicated with a municipal drainage system, the height from the edge of the upper end face of the placing block to the middle position of the edge is gradually increased, and a gap is formed between the edge of the upper end of the placing groove and the edge of the upper end face of the placing block.
The cover film is unfolded to cover the through hole, third sliding grooves are formed in the upper end faces of the placing blocks on the left side and the right side of the through hole, the third sliding block is connected with the third sliding grooves in a sliding mode, the end portion of the cover film is hinged to the upper end face of the third sliding block, one end of the third spring is fixed to the side face of the third sliding block, and the other end of the third spring is fixed to the end portion of one end of the third sliding groove.
The invention has the beneficial effects that: by adopting the wireless charging device for the electric automobile, when the electric automobile runs to the upper end face of the placing block, the wireless charging receiver is positioned above the through hole, if the electric automobile needs to be charged, the wireless charging receiver is difficult to be positioned right above the wireless charger when the electric automobile is parked, so that the wireless charger moves to a position right below the wireless charging receiver through the adjustment of the adjusting part, and the charging efficiency of the wireless charging can be effectively improved during charging.
Drawings
FIG. 1 is a front cross-sectional view of an embodiment of the present invention;
FIG. 2 is a top view of a placement block in an embodiment of the present invention;
FIG. 3 is a top view of an extension plate in an embodiment of the present invention;
FIG. 4 is a top view of a first slider in an embodiment of the present invention.
The device comprises a placing block 1, a placing groove 2, an inner cavity 3, a first sliding block 4, a first motor 5, a first threaded rod 6, a first sliding groove 7, a second sliding groove 8, a second sliding block 9, a second threaded rod 11, an air cylinder 12, a wireless charger 13, a wireless charging receiver 14, a through hole 15, an extending plate 16, a photosensitive element 17, an infrared emitter 18, an ultrasonic receiver 19, an ultrasonic emitter 20, a water tank 21, a covering film 22, a third sliding groove 23, a third sliding block 24, a third spring 25, a second motor 26, a guide plate 27 and a limit switch 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In view of the above objects, the first aspect of the present invention provides an embodiment of a wireless charging device for an electric vehicle, as shown in fig. 1, comprising
The device comprises a placing block 1, a positioning block and a positioning mechanism, wherein an inner cavity 3 is arranged in the placing block 1, the placing block is fixed in a placing groove 2 arranged on the ground surface, and a through hole 15 communicated with the inner cavity 3 is formed in the upper end face of the placing block 1;
the wireless charger 13 is positioned in the through hole 15 and is electrically connected with a charging power supply;
the wireless charging receiver 14 is fixed on the chassis of the electric automobile, is electrically connected with a battery in the electric automobile and charges the battery;
in this embodiment, when the electric vehicle travels to the upper end face of the placing block 1, the wireless charging receiver 14 will be located above the through hole 15, and if the electric vehicle needs to be charged, since it is difficult to locate the wireless charging receiver 14 directly above the wireless charger 13 when the electric vehicle is parked, the wireless charger 13 can be moved to a position directly below the wireless charging receiver 14 by the adjustment of the adjusting portion, so that the charging efficiency of the wireless charging can be effectively improved and the charging time can be shortened when the electric vehicle is charged.
As an embodiment, as shown in fig. 1 and 4, the adjusting part includes a first slider 4, a first motor 5, a first threaded rod 6, a second slider 9, a second threaded rod 11, and a second motor 26; the first motor 5 is fixed on the side wall of the inner cavity 3, one end of the first threaded rod 6 is connected with an output shaft of the first motor 5 through a coupler, and the other end of the first threaded rod 6 is connected with the other side wall of the inner cavity 3 through a bearing; the first sliding block 4 is in threaded connection with the first threaded rod 6, and the bottom of the first sliding block 4 is in sliding connection with a first sliding chute 7 arranged at the bottom of the inner cavity 3; a second sliding groove 8 is formed in the upper end face of the first sliding block 4, and the second sliding block 9 is connected with the second sliding groove 8 in a sliding mode; the second motor 26 is fixed at one end of the second chute 8, one end of the second threaded rod 11 is connected with the other end of the second chute 8 through a bearing, the other end of the second threaded rod 11 is connected with an output shaft of the second motor 26 through a bearing, and the second sliding block 9 is in threaded connection with the second threaded rod 11; the central axis of the first threaded rod 6 is perpendicular to the central axis of the second threaded rod 11; the wireless charger 13 is connected with the upper end face of the second slider 9.
In this embodiment, when the wireless charging receiver 14 is located above the through hole 15, the first motor 5 is started to drive the first threaded rod 6 to rotate, so as to drive the first slider 4 to slide in the first chute 7, the second motor 26 is started to drive the second threaded rod 11 to rotate, so as to drive the second slider 9 to slide in the second chute 8, the wireless charger 13 can be driven to move in the through hole 15 through the above actions, when the wireless charger 13 moves to a position right below the wireless charging receiver 14, the actions are stopped, and at this time, the charging efficiency can be greatly improved.
As an embodiment, as shown in fig. 1, the adjusting portion further includes at least one cylinder 12, the cylinder 12 is fixed in the second slider 9, and an output shaft of the cylinder 12 is fixedly connected with the wireless charger 13 for adjusting the height of the wireless charger 13.
In this embodiment, after the wireless charger 13 moves to a position right below the wireless charging receiver 14, the cylinder 12 is activated to push the wireless charger 13 to move to a position close to the wireless charging receiver 14, and after the distance between the two is shortened, the charging efficiency can also be improved.
As an embodiment, as shown in fig. 1 and 3, the portable wireless charging device includes an extension plate 16, a plurality of photosensitive elements 17, and infrared emitters 18, the infrared emitters 18 are provided in two numbers and symmetrically disposed on two sides of the wireless charging receiver 14, the extension plate 16 corresponds to the infrared emitters 18 one by one, the extension plate 16 is fixed on a side surface of the first slider 4 and is located above the first threaded rod 6, the photosensitive elements 17 are fixed on an upper end surface of the extension plate 16 in a rectangular array manner and are used for sensing infrared light emitted by the infrared emitters 18, the portable wireless charging device further includes an ultrasonic receiver 19 and an ultrasonic generator 20, the ultrasonic receiver 19 is fixed at an upper end center position of the wireless charger 13, and the ultrasonic generator 20 is fixed at a lower end surface center position of the wireless charging receiver 14.
In this embodiment, the photosensitive element 17 can be selected from model HS0038B for sensing infrared light, the infrared emitter 18 can be selected from model FBCB18, the ultrasonic generator 20 can be selected from model UG-1002, the ultrasonic receiver 19 can be selected from model T/R40-16, when the wireless charger 13 is moved to a position right below the wireless charging receiver 14, because it is determined by manpower only, time is wasted, and accuracy is difficult to be ensured, in this embodiment, when the wireless charging receiver 14 is located above the through hole 15, two infrared emitters 18 start emitting infrared rays, one of the photosensitive elements 17 on the corresponding extension plate 16 will sense infrared rays, then the distance from the two sensing elements 17 sensing infrared rays to the outer end of the corresponding extension plate 16 is determined, at this time, the first motor 5 is started to drive the first slider 4 to move, the distances from the photosensitive elements 17 which sense infrared rays at two sides of the first slider 4 to the outer side end of the corresponding extension plate 16 are equal; at the moment, the first motor 5 stops acting, the second motor 26 is started to drive the second sliding block 9 to act, the ultrasonic generator 20 sends out ultrasonic waves, the ultrasonic receiver 19 starts to receive the ultrasonic waves and judges the distance between the two, the second motor 26 starts to move in the direction when the distance between the two becomes farther and farther, and the second motor 26 continuously drives in the direction when the distance between the two becomes closer and closer; when the distance between the ultrasonic receiver 20 and the ultrasonic generator 19 is shortest, the second motor 26 stops driving. At this time, the wireless charger 13 moves to just below the wireless charging receiver 14.
As an embodiment, as shown in fig. 2, the wireless charging receiver comprises a guide plate 27 and a limit switch 28, the guide plate 27 for guiding the wheels to walk is embedded in the upper end surface of the placing block 1, the limit switch 28 is arranged at a position where the upper end surface of the guide plate 27 is close to one end, and when the rear wheel of the electric vehicle contacts the limit switch 28, the wireless charging receiver 14 is located above the through hole 15.
In this embodiment, the wheels of the electric vehicle move along the guide plate 27 to the upper end face of the placing block 1, when the rear wheels touch the limit switch 28, the driver of the electric vehicle stops driving the electric vehicle to move, and the adjusting part starts adjusting the position of the wireless charger 13.
As an embodiment, as shown in fig. 1, the water tank 21 is further included, the water tank 21 is located in the placing groove 2 and fixed on the side surface of the placing block 1, an outlet of the water tank 21 is communicated with a municipal drainage system, the height of the edge of the upper end surface of the placing block 1 from the middle position thereof is gradually increased, and a gap is formed between the upper end edge of the placing groove 2 and the edge of the upper end surface of the placing block 1.
In this embodiment, when the electric vehicle body has water to fall down, or when it is rainy in the weather, rainwater falls into the water tank 21 along the edge of the upper end surface of the placing block 1, thereby draining the rainwater in time.
As an embodiment, as shown in fig. 1 and fig. 2, the device comprises a transparent cover film 22, a third slider 24 and a third spring 25, wherein the cover film 22 is unfolded and covers the through hole 15, the upper end surfaces of the placing blocks 1 on the left and right sides of the through hole 15 are provided with third sliding grooves 23, the third slider 24 is connected with the third sliding grooves 23 in a sliding manner, the end part of the cover film 22 is hinged with the upper end surface of the third slider 24, one end of the third spring 25 is fixed on the side surface of the third slider 24, and the other end of the third spring 25 is fixed on the end part of one end of the third sliding grooves 23.
In the present embodiment, the cover film 22 blocks rainwater from entering the cavity 3 from the through hole 15, and the third spring 25 keeps the cover film 22 in a tightened state, so that when the wireless charger 13 approaches the wireless charging receiver 14, the wireless charger 13 will make the cover film 22 move upwards against the third spring 25; when the wireless charging device 13 is restored to the original position, the wireless charging device is also restored to the original position under the action of the third spring 25.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (7)

1. The utility model provides a wireless charging device of electric automobile which characterized in that: comprises that
The device comprises a placing block (1) with an inner cavity (3) arranged inside, and a through hole (15) communicated with the inner cavity (3) is formed in the upper end face of the placing block (1), and the placing block is fixed in a placing groove (2) formed in the ground surface;
the wireless charger (13) is positioned in the through hole (15) and is electrically connected with a charging power supply;
the wireless charging receiver (14) is fixed on the chassis of the electric automobile and is electrically connected with a battery in the electric automobile;
when the electric automobile runs to the upper end face of the placing block (1), the wireless charging receiver (14) is positioned above the through hole (15), and at the moment, the wireless charger (13) is positioned right below the wireless charging receiver (14) through the adjusting part.
2. The wireless charging device for the electric automobile according to claim 1, wherein: the adjusting part comprises a first sliding block (4), a first motor (5), a first threaded rod (6), a second sliding block (9), a second threaded rod (11) and a second motor (26); the first motor (5) is fixed on the side wall of the inner cavity (3), one end of the first threaded rod (6) is connected with an output shaft of the first motor (5) through a coupler, and the other end of the first threaded rod (6) is connected with the other side wall of the inner cavity (3) through a bearing; the first sliding block (4) is in threaded connection with the first threaded rod (6), and the bottom of the first sliding block (4) is in sliding connection with a first sliding groove (7) formed in the bottom of the inner cavity (3); a second sliding groove (8) is formed in the upper end face of the first sliding block (4), and the second sliding block (9) is connected with the second sliding groove (8) in a sliding mode; the second motor (26) is fixed at one end of the second sliding chute (8), one end of the second threaded rod (11) is connected with the other end of the second sliding chute (8) through a bearing, the other end of the second threaded rod (11) is connected with an output shaft of the second motor (26) through a bearing, and the second sliding block (9) is in threaded connection with the second threaded rod (11); the central axis of the first threaded rod (6) is vertical to the central axis of the second threaded rod (11); the wireless charger (13) is connected with the upper end face of the second sliding block (9).
3. The wireless charging device for the electric automobile according to claim 2, wherein: the adjusting part further comprises at least one cylinder (12), the cylinder (12) is fixed in the second sliding block (9), and an output shaft of the cylinder (12) is fixedly connected with the wireless charger (13) and used for adjusting the height of the wireless charger (13).
4. The wireless charging device for the electric automobile according to claim 3, wherein: the wireless charging device comprises two extension plates (16), a plurality of photosensitive elements (17), infrared transmitters (18), an ultrasonic receiver (19) and an ultrasonic generator (20), wherein the two infrared transmitters (18) are symmetrically arranged on two sides of a wireless charging receiver (14), the extension plates (16) correspond to the infrared transmitters (18) one by one, the extension plates (16) are fixed on the side surfaces of first sliding blocks (4) and positioned above first threaded rods (6), and the photosensitive elements (17) are fixed on the upper end surfaces of the extension plates (16) in a rectangular array mode and used for sensing infrared rays emitted by the infrared transmitters (18); the ultrasonic receiver (19) is fixed at the upper end center position of the wireless charger (13), and the ultrasonic generator (20) is fixed at the lower end surface center position of the wireless charging receiver (14).
5. The wireless charging device for the electric automobile according to claim 4, wherein: including guide board (27) and limit switch (28), the up end of placing piece (1) is inlayed and is had and is used for guiding the wheel walking guide board (27), the position that guide board (27) up end is close to one end is equipped with limit switch (28), when electric automobile's rear wheel contacted limit switch (28), wireless charging receiver (14) are located the top of through-hole (15).
6. The wireless charging device for the electric automobile according to claim 1, wherein: the water tank is characterized by further comprising a water tank (21), wherein the water tank (21) is located in the placing groove (2) and fixed on the side face of the placing block (1), an outlet of the water tank (21) is communicated with a municipal drainage system, the height from the edge of the upper end face of the placing block (1) to the middle position of the edge is gradually increased, and a gap is formed between the edge of the upper end of the placing groove (2) and the edge of the upper end face of the placing block (1).
7. The wireless charging device of claim 6, wherein: including transparent cover film (22), third slider (24) and third spring (25), cover film (22) and expand to cover through-hole (15), the piece (1) up end of placing of through-hole (15) left and right sides is equipped with third spout (23), third slider (24) and third spout (23) sliding connection, and the tip that covers film (22) is articulated with the up end of third slider (24), the one end of third spring (25) is fixed in the side of third slider (24), and the other end of third spring (25) is fixed in the tip of third spout (23) one end.
CN202010296893.4A 2020-04-15 2020-04-15 Wireless charging device for electric automobile Pending CN111409475A (en)

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