CN110676944A - Wireless charging device of wide range contact induction - Google Patents
Wireless charging device of wide range contact induction Download PDFInfo
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- CN110676944A CN110676944A CN201910947257.0A CN201910947257A CN110676944A CN 110676944 A CN110676944 A CN 110676944A CN 201910947257 A CN201910947257 A CN 201910947257A CN 110676944 A CN110676944 A CN 110676944A
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- 238000011084 recovery Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 2
- 238000004064 recycling Methods 0.000 claims 2
- 238000009413 insulation Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
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- 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
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- 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
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- 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 with wide-range contact induction.A base is divided into a first insulating layer and a second insulating layer, wherein a plurality of supporting beams are arranged on the upper surface of the first insulating layer in a parallel protruding manner, a plurality of pairs of conducting seats are arranged on the first insulating layer at two sides of each supporting beam in a protruding manner, and the conducting seats are connected with a power supply; a recovery coil is clamped in the second insulating layer and connected with a power supply; the movable seats are longitudinally and movably arranged on the supporting beam, the movable seats correspond to the conductive seats one by one, the plurality of movable seats cover the upper end of the first insulating layer, a pair of contact heads are arranged on two sides of the bottom of each movable seat, the contact heads are selectively contacted with the conductive seats, a transmitting coil is clamped in each movable seat, and the head end and the tail end of each transmitting coil are connected with the contact heads; the movable seat is pressed by the equipment to be charged and moves downwards until a contact head at the bottom of the movable seat at the position is contacted with the conductive seat. The invention solves the technical problem that the charging efficiency is reduced because the transmitting coil and the receiving coil are not easy to align in the wireless charging device.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a wireless charging device with wide-range contact induction.
Background
The most common charging solution at present uses electromagnetic induction, in which alternating current with a certain frequency is applied to a primary coil, and a certain current is generated in a secondary coil through electromagnetic induction, so that energy is transferred from a transmission end to a receiving end, thereby wirelessly charging the charging device.
However, the existing electromagnetic induction type wireless charging mode has a defect, and only a transmitting coil needs to be aligned with a receiving coil, so that an efficient wireless charging process can be realized, when the transmitting coil and the receiving coil have slight deviation, the electric energy transmission efficiency is greatly reduced, and when a user charges the charging device, the receiving coil and the transmitting coil are difficult to be aligned, the user needs to spend much time to place the device to be charged at a specified position of the wireless charging device, so that not only is great inconvenience brought to the user, but also the transmitting coil and the receiving coil cannot be aligned, and therefore, the charging efficiency cannot be improved.
Therefore, a wireless charging device with wide-range contact induction is urgently needed, the position of the receiving coil is automatically identified, and finally a user can conveniently align the receiving coil with the transmitting coil, so that the wireless charging efficiency is improved.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention aims to provide a wireless charging device with wide-range contact induction, wherein a plurality of movable seats capable of moving up and down are arranged on the surface of the wireless charging device, a transmitting coil is clamped in each movable seat, when a mobile phone waits for charging equipment to be placed on the movable seat at the top, the movable seat covering the area is pressed downwards, so that the transmitting coil is connected with a power supply, the transmitting coil is excited to send an alternating magnetic field to charge the mobile phone waiting for charging equipment, and other coils not covering the pressing area are not excited, so that the energy consumption is reduced.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a wide range contact induction wireless charging apparatus, comprising:
the base is divided into a first insulating layer and a second insulating layer, a plurality of supporting beams are arranged on the upper surface of the first insulating layer in a protruding mode in parallel, a plurality of pairs of conducting seats are arranged on the first insulating layer on the two sides of each supporting beam in a protruding mode, and the conducting seats are connected with a power supply; a recovery coil is clamped in the second insulating layer and connected with a power supply;
the movable seats are longitudinally and movably arranged on the supporting beam, correspond to the conductive seats one by one, cover the whole upper end face of the first insulating layer, a pair of contact heads is arranged on two sides of the bottom of each movable seat, the contact heads are selectively contacted with the conductive seats, a transmitting coil is clamped in each movable seat, and the head end and the tail end of each transmitting coil are connected with the contact heads;
the movable seat is pressed by the equipment to be charged to move downwards until the pair of contact heads at the bottom of the movable seat at the position of the movable seat is contacted with the conductive seat.
Preferably, the support beams and the first insulating layer are of an integrated insulating structure, the support beams are arranged at equal intervals, and the length of the support beams is consistent with that of the base; the supporting beam is characterized in that a plurality of pairs of first guide grooves are formed in two side walls of the supporting beam in the width direction respectively, the first guide grooves are longitudinally formed, and the first guide grooves correspond to the conductive seats in position one to one.
Preferably, a plurality of pairs of the conductive seats are arranged on the first insulating layer on two sides of each supporting beam at equal intervals, each pair of the conductive seats comprises a first conductive seat arranged on the first side of the supporting beam and a second conductive seat arranged on the second side of the supporting beam, and the first guide grooves are correspondingly arranged on two sides of each pair of the conductive seats in the length direction.
Preferably, a plurality of pairs of wires are clamped in the first insulating layer, each pair of wires includes a first wire and a second wire, each pair of wires is distributed between the first conductive seat and the second conductive seat, the first wires are connected with a first end of an alternating current power supply after the ends of the first insulating layer are connected in common, and the second wires are connected with a second end of the alternating current power supply after the ends of the first insulating layer are connected in common; the first conductive seat is connected with the first lead, and the second lead is connected with the second conductive seat.
Preferably, the recovery coil covers the plane of the second insulating layer, the output end of the recovery coil is connected with a built-in battery in the wireless charging device through a rectifying unit, and the output end of the built-in battery is connected with the first lead and the second lead through an active crystal oscillator inversion unit.
Preferably, each the sliding seat closely cooperates, the sliding seat bottom set up one with supporting beam complex recess, the recess covers the sliding seat both sides, the recess top is provided with the bullet pad, bullet pad flexible distance is less than supporting beam height, the activity is established to the recess cover on the supporting beam, the bullet pad is pressed from both sides and is established in supporting beam and the recess.
Preferably, the protruding first guide block that is provided with on the recess inside wall, first guide block with first guide way one-to-one, first guide block restriction activity is in the first guide way, the degree of depth of first guide way is greater than the flexible distance of bullet pad.
Preferably, each contact head includes the setting and is in the first contact head of recess first side and the setting are in the second contact head of recess second side, first contact head and position department first electrically conductive seat selective contact, second contact head and position department the second electrically conductive seat selective contact, the head end head downwardly extending of transmitting coil with first contact head is connected, the tail end head downwardly extending of transmitting coil with the second contact head is connected.
Preferably, the wall around the sliding seat is convexly provided with a second guide block or provided with a second guide groove, and the adjacent two side walls of the sliding seat are in sliding contact with the second guide block and the second guide groove through matching.
Still include stop gear, it includes:
the first telescopic rod is elastically and telescopically arranged in the supporting beam along the length direction of the supporting beam, and one end of the first telescopic rod is exposed outwards for a certain distance; a plurality of beveling notches are formed in one side of the first telescopic rod in the width direction at intervals;
the second telescopic rod is arranged in the supporting beam in a telescopic mode along the length direction perpendicular to the supporting beam, the inner side end of the second telescopic rod is in sliding contact with the beveling notch, and the outer side end of the second telescopic rod is located between each pair of the first guide grooves; a limiting groove is longitudinally formed in the inner side wall of the groove between each pair of the first guide blocks, and the length of the limiting groove is not less than the telescopic distance of the elastic pad;
when the inclined cutting notch is in a normal state, the inner side end of the second telescopic rod is abutted against the outer side port of the inclined cutting notch, the outer side end of the second telescopic rod protrudes out of the supporting beam for a certain distance, the outer side end of the second telescopic rod is located in the limiting groove, and the protruding distance of the outer side end of the second telescopic rod is smaller than the depth of the limiting groove;
when the first telescopic rod is compressed inwards, the inner side end of the second telescopic rod slides to the deep part of the beveling notch until the outer side end of the second telescopic rod is completely retracted into the supporting beam.
Compared with the prior art, the invention has the following beneficial effects:
1. the wireless charging device solves the problem of alignment of the transmitting coil and the receiving coil, and equipment to be charged can be randomly placed at the upper end of the wireless charging device, so that the transmitting coil and the receiving coil can be aligned, the wireless charging efficiency is improved, and convenience is provided for users;
2. the upper end of the wireless charging device is provided with the plurality of movable seats, each movable seat is internally provided with the transmitting coil, and a plurality of devices to be charged can be placed on the wireless charging device for charging at the same time, so that the utilization rate of the charging device is improved;
3. the transmitting coil of the uncovered area of the equipment to be charged does not need to be excited, so that the energy consumption of the system is reduced;
4. the recovery coil is clamped at the bottom of the wireless charging device, the alternating electromagnetic field emitted from the bottom of the transmitting coil is recycled, and the recovered electric energy is used for charging a battery in the wireless charging device, so that the cruising ability of the wireless charging device is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a base structure;
FIG. 3 is a schematic structural view of a support beam;
FIG. 4 is a schematic view of the mounting structure of a single movable seat of the area A in FIG. 1;
FIG. 5 is a perspective view of the movable seat;
FIG. 6 is a top view of the movable seat;
FIG. 7 is a schematic diagram of a transmit coil configuration;
FIG. 8 is a schematic view of a recovery coil configuration;
FIG. 9 is a schematic structural view of the lock mechanism;
FIG. 10 is a schematic view of the spacing mechanism disengaged;
FIG. 11 is a schematic view of the structure of detail B of FIG. 9;
fig. 12 is a schematic structural view of a portion C in fig. 10.
Detailed Description
The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
Example one
As shown in fig. 1 to 8, the present invention provides a wireless charging device with wide range contact induction, comprising: the charging device comprises a base 100 and a plurality of movable seats 200 arranged on the base 100, wherein each movable seat 200 is internally provided with a transmitting coil 218 independently connected with a power supply, and the movable seat 200 at the position to be charged is triggered to move downwards to be connected with the power supply, so that the transmitting coil 218 is excited to wirelessly charge the device to be charged.
Specifically, the multilayer insulation structure of the base 100 is divided into a first insulation layer 101 and a second insulation layer 102, a plurality of support beams 120 are arranged on the upper surface of the first insulation layer 101 in a protruding manner in parallel, the support beams 120 and the first insulation layer 101 are of an integral insulation structure, the support beams 120 are arranged at equal intervals, the length of the support beams 120 is consistent with that of the base 100, the support beams 120 are made as long as possible, the number of the movable seats 200 arranged on the support beams 120 is increased, the coverage area of the transmitting coil 218 on the upper end of the charging device is effectively increased, and therefore devices to be charged at the same time can be increased.
A plurality of pairs of conductive seats are protruded from the first insulating layer 101 on two sides of the supporting beam 120, specifically, a plurality of pairs of cavities 110 are arranged on the first insulating layer 101 on two sides of each supporting beam 120 at equal intervals, the conductive seats are arranged in the cavities 110, each pair of conductive seats comprises a first conductive seat 111 arranged in the cavity 110 on the first side of the supporting beam 120 and a second conductive seat 112 arranged on the second side of the supporting beam 120, and each conductive seat protrudes out of the cavity 110 for a certain distance.
A plurality of pairs of wires are clamped in the first insulating layer 101, each pair of wires comprises a first wire 131 and a second wire 141, each pair of wires is distributed between the first conductive seat 111 and the second conductive seat 112, the first wires 131 are connected with a first end of an alternating current power supply after first ends of the first insulating layer 101 are connected together through a connecting wire 132, and the second wires 141 are connected with a second end of the alternating current power supply after second ends of the first insulating layer 101 are connected together through a connecting wire; the first conductive socket 111 extends downwards to be connected with the first conductive wire 131 through a conductive wire 133, the second conductive socket 112 extends downwards to be connected with the second conductive wire 141, so that the first conductive socket 111 and the second conductive socket 112 are connected with an alternating current power supply, and when the head end and the tail end of the transmitting coil 218 are in conductive contact with the first conductive socket 111 and the second conductive socket 112, the transmitting coil 218 can transmit an alternating magnetic field to provide power for the device to be charged.
The movable seats 200 are longitudinally movably mounted on the supporting beam 120, the movable seats 200 correspond to the conductive seats one by one, that is, one movable seat 200 is movably mounted on the supporting beam 120 at a position corresponding to a pair of conductive seats, and each movable seat 200 independently moves on the supporting beam 120. A plurality of the movable seats 200 cover the upper end of the first insulating layer 101, that is, the movable seats 200 cover the upper end of the whole wireless charging device, and the device to be charged is placed on a plurality of the movable seats 200 for wireless charging.
A pair of contact heads are arranged on two sides of the bottom of the movable seat 200 and selectively contacted with the conductive seats, specifically, a pair of bosses 213 corresponding to the cavity 110 are arranged on two sides of the bottom of each movable seat 200, the contact heads are concavely arranged in the bosses 213, each pair of contact heads comprises a first contact head 214 arranged in the boss 213 on the first side of the bottom of the movable seat 200 and a second contact head 217 arranged in the boss 213 on the second side of the bottom of the movable seat 200, the bosses 213 are embedded in the cavity 110 in a butt joint manner along with the descending of the movable seat 200 on the supporting seat 120, the first contact head 214 is in conductive contact with the first conductive seat 111, and the second contact head 217 is in conductive contact with the second conductive seat 112; as the movable seat 200 rises above the supporting seat 120, the contact is separated from the conductive seat.
The transmitting coil 218 is clamped in the movable seat 200, the head end of the transmitting coil 218 extends downward to be connected with the first contact 214, the tail end of the transmitting coil 218 extends downward to be connected with the second contact 217, so that the transmitting coil 218 is connected with a pair of contacts, and the contacts are selectively and electrically connected with the conductive seat, so that as the movable seat 200 is lifted on the supporting seat 120, the transmitting coil 218 is connected with an alternating current power supply, and an alternating magnetic field is emitted to provide power for the device to be charged.
That is to say, a plurality of movable seats capable of moving up and down are arranged on the surface of the wireless charging device, a transmitting coil 218 selectively connected with an alternating current power supply is clamped in each movable seat, when a device to be charged is placed on the upper surface of the wireless charging device consisting of a plurality of movable seats 200, the movable seat 200 covering the area position is pressed downwards under the action of gravity until the contact head at the bottom of the movable seat 200 at the position is contacted with the conductive seat, so that the transmitting coil 218 is connected with the alternating current power supply, the transmitting coil 218 is excited to emit an alternating magnetic field to charge the mobile phone device to be charged, the transmitting coil and the receiving coil are not required to be aligned, and other coils not covering the pressing area are not required to be excited, so that the energy consumption is reduced, meanwhile, a plurality of devices to be charged can be placed on the wireless charging device at will, the position of the device to be charged is, the wireless charging device provides convenience for users, and solves the technical problem that the charging efficiency is reduced because the transmitting coil 218 and the receiving coil are not easy to align in the wireless charging device.
In the above technical solution, a recovery coil 103 is sandwiched in the second insulating layer 102, the recovery coil 103 is connected to a power supply, specifically, the recovery coil 103 covers a plane of the second insulating layer 102, an output end of the recovery coil 103 is connected to a built-in battery in the wireless charging device through a rectifying unit, an output end of the built-in battery is connected to the first conducting wire 131 and the second conducting wire 141 through an active crystal oscillator inverter unit, the recovery coil 103 recovers and utilizes an alternating electromagnetic field emitted from a bottom of the transmitting coil 218, and charges the battery in the wireless charging device with recovered electric energy, thereby improving a cruising ability of the wireless charging device.
The transmitting coil 218 is connected to a power source through a driver, the driver controls the excitation of the transmitting coil 218 to generate an alternating magnetic field, so that the receiving coil receives and generates electric energy for charging a device to be charged, and the driver is provided with a power monitoring unit to monitor the transmission power of the transmitting coil 218 in real time.
The driver includes:
the power monitoring unit is connected to the power supply module and used for monitoring the output power of the power supply module, and the power monitoring unit and the power supply module are respectively connected with the controller;
the input end of the oscillating circuit is connected with the output end of the power supply module so as to provide a variable excitation signal, and the oscillating circuit is connected with the controller;
the input end of the amplifier is connected with the output end of the oscillating circuit, the output end of the amplifier is connected with the transmitting coil 218, the excitation signal is amplified by the amplifier and then excites the transmitting coil 218, and finally excitation is provided for the receiving coil to charge the equipment to be powered.
Example two
On the basis of the first embodiment, a plurality of pairs of first guide grooves 121 are respectively formed on two side walls of the support beam 120 in the width direction, the first guide grooves 121 are longitudinally formed, the first guide grooves 121 correspond to the conductive seats in one-to-one correspondence, and specifically, the first guide grooves 121 are respectively arranged on two sides of each pair of conductive seats in the length direction.
Each the sliding seat 200 closely cooperates, the sliding seat 200 bottom set up one with supporting beam 120 complex recess 215, recess 215 covers the sliding seat both sides, recess 215 top is provided with bullet pad 219, the activity is established to recess 215 cover on the supporting beam 120, bullet pad 219 is pressed from both sides and is established in supporting beam 120 and recess 215, bullet pad 219 telescopic distance is less than supporting beam 120 height to avoid supporting beam 120 to break away from in the recess 215, during normal state, under the effect of bullet pad 219, the sliding seat 200 bottom can't contact electrically conductive seat.
First guide blocks 216 are arranged on the inner side wall of the groove 215 in a transversely inward protruding mode, the first guide blocks 216 correspond to the first guide grooves 121 in a one-to-one mode, the first guide blocks 216 limit movement in the first guide grooves 121, so that the plane installation position of the movable seats 200 is limited, and each movable seat 200 can only longitudinally move along the direction of the first guide blocks 216, namely, along the telescopic direction of the elastic cushion 219, so that the contact head is in contact with or separated from the conductive seat.
The depth of the first guide groove 121 is greater than the telescopic distance of the elastic pad 219, so that the first guide block 216 is separated from the first guide groove 121 in the process of elastic expansion of the movable seat 200. The arrangement of the first guide block 216 and the first guide groove 121 is beneficial to the quick positioning and installation of the movable seat 200, and meanwhile, the movable seat 200 is ensured to be strictly stretched in the longitudinal direction, so that the contact head and the conductive seat are prevented from being in poor contact due to the fact that the movable seat 200 is inclined in the stretching process.
In a normal state, under the action of the elastic pad 219, the movable base 200 is lifted a certain distance away from the top of the first insulating layer 101, so that the contact is separated from the conductive base, and the transmitting coil 218 is in a load-shedding state without energy loss. When the device to be charged is placed on the upper surface of a wireless charging device composed of a plurality of movable seats 200, the movable seat 200 covering the area position is pressed downwards under the action of gravity, the elastic pad 219 at the position is compressed until the contact head at the bottom of the movable seat 200 at the position is contacted with the conductive seat, the transmitting coil 218 is connected with an alternating current power supply, the transmitting coil 218 is excited to send out an alternating magnetic field to charge the mobile phone waiting for the charging device, and other coils not covering the pressing area are not excited, so that the energy consumption is reduced.
Meanwhile, a plurality of devices to be charged can be placed on the wireless charging device at will, the positions of the devices to be charged do not need to be adjusted, convenience is provided for users, and the technical problem that charging efficiency is reduced due to the fact that the transmitting coil 218 and the receiving coil are not aligned easily in the wireless charging device is solved.
In order to improve the smoothness of the extending and retracting process of each movable seat 200, avoid the occurrence of a mutual locking state, and ensure that each movable seat 200 strictly extends and retracts along the longitudinal direction, in this embodiment, a second guide block 211 or a second guide groove 212 is convexly arranged on the peripheral wall of each movable seat 200, and two adjacent side walls of the movable seats 200 are in sliding contact with the second guide block 211 and the second guide groove 212 through matching. As shown in the figure, be provided with 2 second guide blocks 211 and 2 second guide slots 212 on the sliding seat 200 lateral wall, set up through second guide block 211 and the cooperation of second guide slot 212 between the sliding seat 200, improve flexible smooth and easy nature and flexible direction uniformity.
EXAMPLE III
In order to ensure that each movable seat 200 is not separated from the base, on the basis of the two embodiments, the present embodiment further includes a limiting mechanism, as shown in fig. 9 to 12, the limiting mechanism specifically includes: a first telescoping rod 122 and a second telescoping rod 127. A cavity 123 is formed in the support beam 120 along the length direction, the first telescopic rod 122 is arranged in the cavity 123, the inner end of the first telescopic rod 122 abuts against the inner end wall of the cavity 123 through a spring 124, and the outer end of the first telescopic rod 122 is exposed outwards from the cavity 123 for a certain distance, so that the first telescopic rod 122 is elastically and telescopically arranged in the support beam 120 along the length direction of the support beam 120.
A cavity 126 is formed in the support beam 120 along the width direction, the second expansion link 127 is disposed in the cavity 126, and a spring 128 is sleeved on the second expansion link 127, so that the second expansion link 127 is telescopically disposed in the support beam 120 along the length direction perpendicular to the support beam 120.
A plurality of oblique notches 125 are formed in one side of the first telescopic rod 122 in the width direction at intervals, meanwhile, the inner side end of the second telescopic rod 127 is also arranged to be an inclined surface structure, the inner side end of the second telescopic rod 127 is in sliding contact with the oblique notches 125, and the outer side end of the second telescopic rod 127 is located between each pair of the first guide grooves 121; a limiting groove 129 is longitudinally formed on the inner side wall of the groove 215 between each pair of the first guide blocks 216, and the length of the limiting groove 129 is not less than the telescopic distance of the elastic cushion 219.
In a normal state, the inner end of the second telescopic rod 127 abuts against the outer port of the chamfer notch 125, the outer end of the second telescopic rod 127 protrudes out of the supporting beam 120 by a certain distance, the outer end of the second telescopic rod 127 is located in the limiting groove 129, and the protruding distance of the outer end of the second telescopic rod 127 is smaller than the depth of the limiting groove 129, so that the outer end of the second telescopic rod 127 is limited in the limiting groove 129, and the movable base 200 cannot be separated from the base. Meanwhile, the length of the limiting groove 129 is not less than the telescopic distance of the elastic pad 219, so that a sufficient telescopic distance is provided for the telescopic movement of the movable seat 200.
In order to quickly assemble and disassemble the movable seat 200, when the first telescopic rod 122 compresses the spring 124 inward, the first telescopic rod moves inward, and at this time, under the action of the spring 128, the inner end of the second telescopic rod 127 slides to the depth of the chamfered notch 125 until the outer end of the second telescopic rod 127 completely retracts into the supporting beam 120, and the outer end of the second telescopic rod 127 is separated from the limiting groove 129, so that the movable seat 200 is separated from the base.
From the above, the wireless charging device of the invention solves the problem of alignment of the transmitting coil and the receiving coil, and the equipment to be charged can be randomly placed at the upper end of the wireless charging device, so that the transmitting coil and the receiving coil can be aligned, thereby improving the wireless charging efficiency and providing convenience for users; meanwhile, the upper end of the wireless charging device is provided with a plurality of movable seats, each movable seat is internally provided with a transmitting coil, and a plurality of devices to be charged can be placed on the wireless charging device for charging at the same time, so that the utilization rate of the charging device is improved; furthermore, a transmitting coil in an uncovered area of the equipment to be charged does not need to be excited, so that the energy consumption of the system is reduced; the recovery coil is clamped at the bottom of the wireless charging device, the alternating electromagnetic field emitted from the bottom of the transmitting coil is recycled, and the recovered electric energy is used for charging a battery in the wireless charging device, so that the cruising ability of the wireless charging device is improved.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. A wide range contact inductive wireless charging device, comprising:
the base is divided into a first insulating layer and a second insulating layer, a plurality of supporting beams are arranged on the upper surface of the first insulating layer in a protruding mode in parallel, a plurality of pairs of conducting seats are arranged on the first insulating layer on the two sides of each supporting beam in a protruding mode, and the conducting seats are connected with a power supply; a recovery coil is clamped in the second insulating layer and connected with a power supply;
the movable seats are longitudinally and movably arranged on the supporting beam, correspond to the conductive seats one by one, cover the whole upper end face of the first insulating layer, a pair of contact heads is arranged on two sides of the bottom of each movable seat, the contact heads are selectively contacted with the conductive seats, a transmitting coil is clamped in each movable seat, and the head end and the tail end of each transmitting coil are connected with the contact heads;
the movable seat is pressed by the equipment to be charged to move downwards until the pair of contact heads at the bottom of the movable seat at the position of the movable seat is contacted with the conductive seat.
2. The wide-range contact-induction wireless charging device according to claim 1, wherein the supporting beams and the first insulating layer are of an integrated insulating structure, the supporting beams are arranged at equal intervals, and the length of the supporting beams is consistent with that of the base; the supporting beam is characterized in that a plurality of pairs of first guide grooves are formed in two side walls of the supporting beam in the width direction respectively, the first guide grooves are longitudinally formed, and the first guide grooves correspond to the conductive seats in position one to one.
3. The wide-range contact-induction wireless charging device according to claim 2, wherein a plurality of pairs of the conductive sockets are arranged on the first insulating layer on both sides of each of the supporting beams at equal intervals, each pair of the conductive sockets includes a first conductive socket arranged on a first side of the supporting beam and a second conductive socket arranged on a second side of the supporting beam, and the first guide grooves are correspondingly arranged on both sides of each pair of the conductive sockets in the length direction.
4. The wide-range contact induction wireless charging device according to claim 3, wherein a plurality of pairs of wires are clamped in the first insulating layer, each pair of wires comprises a first wire and a second wire, each pair of wires is distributed between the first conductive socket and the second conductive socket, each first wire is connected with a first end of an alternating current power supply after the ends of the first insulating layer are connected in common, and each second wire is connected with a second end of the alternating current power supply after the ends of the first insulating layer are connected in common; the first conductive seat is connected with the first lead, and the second lead is connected with the second conductive seat.
5. The wide-range contact induction wireless charging device according to claim 4, wherein the recycling coil covers the plane of the second insulating layer, the output end of the recycling coil is connected with a built-in battery in the wireless charging device through a rectifying unit, and the output end of the built-in battery is connected with the first conducting wire and the second conducting wire through an active crystal oscillator inverting unit.
6. The wireless charging device with wide-range contact induction as claimed in claim 5, wherein each movable seat is tightly fitted, a groove matched with the supporting beam is formed in the bottom of each movable seat, the groove covers two sides of each movable seat, an elastic pad is arranged on the top of each groove, the elastic pad is less than the height of the supporting beam in telescopic distance, the groove is movably sleeved on the supporting beam, and the elastic pad is clamped between the supporting beam and the groove.
7. The wide-range contact induction wireless charging device according to claim 6, wherein a first guide block is convexly arranged on the inner side wall of the groove, the first guide block corresponds to the first guide groove in a one-to-one manner, the first guide block limits movement in the first guide groove, and the depth of the first guide groove is greater than the telescopic distance of the elastic pad.
8. The wireless charging device of claim 7, wherein each contact comprises a first contact disposed on a first side of the recess and a second contact disposed on a second side of the recess, the first contact selectively contacting the first conductive socket at the location, the second contact selectively contacting the second conductive socket at the location, a head end of the transmitting coil extending downward to connect with the first contact, and a tail end of the transmitting coil extending downward to connect with the second contact.
9. The wide-range contact induction wireless charging device according to claim 1, wherein a second guide block is convexly disposed on a peripheral wall of the movable seat or a second guide groove is formed in the peripheral wall of the movable seat, and two adjacent side walls of the movable seat are disposed in sliding contact with the second guide block and the second guide groove through matching.
10. The wide range contact inductive wireless charging device of claim 7, further comprising a limit mechanism comprising:
the first telescopic rod is elastically and telescopically arranged in the supporting beam along the length direction of the supporting beam, and one end of the first telescopic rod is exposed outwards for a certain distance; a plurality of beveling notches are formed in one side of the first telescopic rod in the width direction at intervals;
the second telescopic rod is arranged in the supporting beam in a telescopic mode along the length direction perpendicular to the supporting beam, the inner side end of the second telescopic rod is in sliding contact with the beveling notch, and the outer side end of the second telescopic rod is located between each pair of the first guide grooves; a limiting groove is longitudinally formed in the inner side wall of the groove between each pair of the first guide blocks, and the length of the limiting groove is not less than the telescopic distance of the elastic pad;
when the inclined cutting notch is in a normal state, the inner side end of the second telescopic rod is abutted against the outer side port of the inclined cutting notch, the outer side end of the second telescopic rod protrudes out of the supporting beam for a certain distance, the outer side end of the second telescopic rod is located in the limiting groove, and the protruding distance of the outer side end of the second telescopic rod is smaller than the depth of the limiting groove;
when the first telescopic rod is compressed inwards, the inner side end of the second telescopic rod slides to the deep part of the beveling notch until the outer side end of the second telescopic rod is completely retracted into the supporting beam.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947257.0A CN110676944B (en) | 2019-10-08 | 2019-10-08 | Wireless charging device of wide region contact response |
| PCT/CN2019/117828 WO2021068336A1 (en) | 2019-10-08 | 2019-11-13 | Wide-range contact induction type wireless charging apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910947257.0A CN110676944B (en) | 2019-10-08 | 2019-10-08 | Wireless charging device of wide region contact response |
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| Publication Number | Publication Date |
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| CN110676944A true CN110676944A (en) | 2020-01-10 |
| CN110676944B CN110676944B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910947257.0A Active CN110676944B (en) | 2019-10-08 | 2019-10-08 | Wireless charging device of wide region contact response |
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| Country | Link |
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| CN (1) | CN110676944B (en) |
| WO (1) | WO2021068336A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371199A (en) * | 2020-03-13 | 2020-07-03 | 东南大学 | Coil-adjustable wireless power transmission coupling mechanism and design method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997134A (en) * | 2014-05-22 | 2014-08-20 | 中国矿业大学 | Radiation-free wireless power transfer and supply device |
| CN108649667A (en) * | 2018-07-12 | 2018-10-12 | 安徽锐能科技有限公司 | Wireless charging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140203767A1 (en) * | 2013-01-18 | 2014-07-24 | Ceramate Technical Co., Ltd. | Electric induction charger capable of collecting electric wire |
| CN107257151B (en) * | 2017-08-02 | 2023-08-08 | 中国科学院城市环境研究所 | Automatic adjust magnetism of butt joint and inhale charging device |
| CN207442498U (en) * | 2017-11-22 | 2018-06-01 | 大连科技学院 | A kind of wireless charger |
| CN208445314U (en) * | 2018-07-09 | 2019-01-29 | 成都职业技术学院 | A kind of wireless charger that multi-load is charged simultaneously |
| CN208433808U (en) * | 2018-07-25 | 2019-01-25 | Oppo广东移动通信有限公司 | Wireless charging device and wireless charging system |
-
2019
- 2019-10-08 CN CN201910947257.0A patent/CN110676944B/en active Active
- 2019-11-13 WO PCT/CN2019/117828 patent/WO2021068336A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997134A (en) * | 2014-05-22 | 2014-08-20 | 中国矿业大学 | Radiation-free wireless power transfer and supply device |
| CN108649667A (en) * | 2018-07-12 | 2018-10-12 | 安徽锐能科技有限公司 | Wireless charging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371199A (en) * | 2020-03-13 | 2020-07-03 | 东南大学 | Coil-adjustable wireless power transmission coupling mechanism and design method thereof |
| CN111371199B (en) * | 2020-03-13 | 2022-06-24 | 东南大学 | Coil-adjustable wireless power transmission coupling mechanism and design method thereof |
Also Published As
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| WO2021068336A1 (en) | 2021-04-15 |
| CN110676944B (en) | 2023-03-14 |
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Effective date of registration: 20231024 Address after: Room 3403, Entrepreneurship Park, No. 18 Jiefang Road, Jingkou District, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Zhenjiang Baige Electronic Technology Co.,Ltd. Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: JIANGSU University OF SCIENCE AND TECHNOLOGY |