CN113241814A - Suspension wireless charging device - Google Patents
Suspension wireless charging device Download PDFInfo
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- CN113241814A CN113241814A CN202110492587.2A CN202110492587A CN113241814A CN 113241814 A CN113241814 A CN 113241814A CN 202110492587 A CN202110492587 A CN 202110492587A CN 113241814 A CN113241814 A CN 113241814A
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- 239000000725 suspension Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 230000005389 magnetism Effects 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000005339 levitation Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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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
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a suspension wireless charging device, which comprises a base assembly, a first charging unit and a second charging unit, wherein a magnetic module and a first transmitting coil are arranged in the base assembly; the suspension charging module comprises a permanent magnet piece, a first receiving coil, a second transmitting coil, a first magnetic isolation piece and a second magnetic isolation piece; the first receiving coil and the first transmitting coil are coupled with each other to transmit electric energy; the first receiving coil is electrically connected with the second transmitting coil; the first magnetic isolation piece is arranged on the lower surface of the permanent magnetic piece, and the second magnetic isolation piece is arranged on the upper surface of the permanent magnetic piece; the base component comprises a lifting mechanism, a base and a platform, a guide post is arranged on the base, the platform is sleeved on the guide post through a guide hole, the lifting mechanism is used for driving the platform to move up and down along the guide post, and a magnetic module and a first emitting coil are arranged on the platform in a built-in mode. According to the technical scheme, the lifting mechanism drives the platform to move up and down along the guide post, so that the suspension height is adjusted on the basis of magnetic suspension wireless charging, and the technological sense of a suspension wireless charging product is further improved.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a suspension wireless charging device.
Background
In recent years, with the development of smart phones, charging becomes an indispensable function of smart phones, and wireless charging brings great changes to the lives of people as a new charging technology. The wireless charging technology applies the electromagnetic wave induction principle and the related alternating current induction technology, and corresponding coils are used for sending and receiving induced alternating current signals at the sending and receiving ends to perform charging. The varying magnetic field generates a varying electric field, which generates a varying magnetic field, so that electromagnetic waves can be propagated, and the generation of induced voltage is related to the variation of magnetic flux, so that the varying magnetic field inside the coil generates induced voltage, thereby completing the charging process. With the increasing maturity and perfection of the magnetic suspension technology, some manufacturers begin to combine the magnetic suspension technology with the wireless charging technology to produce charging products with more technological senses, and the consumption desire of users is greatly stimulated. However, the existing suspension wireless charging product still has the problem that the functions are not complete enough, for example, the suspension height cannot be adjusted.
Disclosure of Invention
The invention mainly aims to provide a suspension wireless charging device, and aims to solve the technical problem that the suspension height of the existing suspension wireless charging product cannot be adjusted.
In order to achieve the above object, the present invention provides a suspension wireless charging device, which comprises
The base assembly is internally provided with a magnetic module and a first transmitting coil; and
the suspension charging module comprises a permanent magnet piece, a first receiving coil, a second transmitting coil, a first magnetic isolation piece and a second magnetic isolation piece, and magnetic repulsion force is generated between the permanent magnet piece and the magnetic module so as to suspend the suspension charging module above the base component; the first receiving coil and the first transmitting coil are coupled with each other to transmit electric energy; the first receiving coil is electrically connected with the second transmitting coil so as to charge the wireless equipment to be charged placed on the suspension charging module; the first magnetic isolation piece is arranged on the lower surface of the permanent magnet piece, and the second magnetic isolation piece is arranged on the upper surface of the permanent magnet piece so as to inhibit the alternating magnetic field generated when the first transmitting coil and the second transmitting coil work from heating the permanent magnet piece; the base component comprises a lifting mechanism, a base and a platform, a guide post is arranged on the base, the platform is sleeved on the guide post through a guide hole, the lifting mechanism is used for driving the platform to move up and down along the guide post, and a magnetic module and a first emitting coil are arranged on the platform.
Optionally, the lifting mechanism includes a driving unit, a screw rod and a nut, an upper end of the nut is fixed to a lower surface of the platform, a lower end of the nut is in threaded connection with the screw rod, and the driving unit is configured to drive the screw rod to rotate so that the nut moves up and down along the screw rod.
Optionally, the driving unit is a motor, and an output shaft of the motor is fixedly connected with the lead screw.
Optionally, the platform includes first backup pad and drain pan, be equipped with the guiding hole in the first backup pad, first backup pad passes through the guiding hole cover and is in on the guide post, the upper end of nut is fixed the lower surface of first backup pad, the drain pan is fixed the upper surface of first backup pad, magnetism module and first radioactive ray circle are built-in the drain pan, be equipped with the third magnetism piece that separates between first backup pad and the magnetism module.
Optionally, a positioning column is fixedly arranged on the lower surface of the third magnetism isolating piece, and the positioning column is fixedly connected with the first supporting plate through a bolt.
Optionally, the position of the platform on the guide post includes a lower limit position, the base is provided with a lower limit switch, the lower surface of the platform is provided with a lower contact, and when the lifting mechanism drives the platform to move to the lower limit position, the lower contact touches the lower limit switch to enable the lifting mechanism to stop.
Optionally, the position of the platform on the guide post includes an upper limit position, an upper contact is arranged at the upper end of the guide post, an upper limit switch is arranged on the upper surface of the platform, and when the lifting mechanism drives the platform to move to the upper limit position, the upper contact touches the upper limit switch to enable the lifting mechanism to stop.
Optionally, the magnetic module comprises a plurality of electromagnetic coils and a ring permanent magnet disposed around the electromagnetic coils, and the permanent magnet pieces in the levitated charging module can be stably levitated in a magnetic field formed by both the electromagnetic coils and the ring permanent magnet.
Optionally, the first and second magnetism isolating pieces are made of a metal material with low magnetic permeability.
Optionally, the first and second magnetic isolating members at least partially cover the surfaces of the permanent magnet members.
Optionally, the first and second magnetic shields completely cover the surface of the permanent magnet.
Optionally, the first receiving coil is wound around an outer circumferential side of the first magnetism isolating member.
Optionally, the suspension charging module further includes a first housing, the first housing has a first accommodating cavity, the first receiving coil, the second transmitting coil, the permanent magnet, the first magnetic isolation member and the second magnetic isolation member are all fixedly disposed in the first accommodating cavity, the second transmitting coil is attached to the top cavity wall of the first accommodating cavity, and the first receiving coil is attached to the bottom cavity wall of the first accommodating cavity.
Optionally, the first housing comprises: the box body is arranged in a barrel shape with an upward opening; and the box cover covers the opening of the box body, and the box body and the box cover surround to form the first accommodating cavity.
Optionally, the suspension charging module further includes a magnetic conductive plate, the magnetic conductive plate is located in the first accommodating cavity, and the magnetic conductive plate is disposed between the permanent magnetic part and the second magnetic isolation part.
According to the technical scheme, the suspension charging module is suspended above the base assembly through magnetic repulsion force generated between the permanent magnetic piece and the magnetic module, the first receiving coil and the first transmitting coil are coupled with each other to transmit electric energy, the first receiving coil is electrically connected with the second transmitting coil to charge wireless equipment to be charged placed on the suspension charging module, the suspension charging device is further provided with a lifting mechanism, a base and a platform, the base is provided with a guide post, the platform is sleeved on the guide post through a guide hole, the magnetic module and the first transmitting coil are arranged on the platform in a built-in mode, and the lifting mechanism drives the platform to move up and down along the guide post, so that suspension height adjustment is achieved on the basis of magnetic suspension wireless charging, and the technological sense of suspension wireless charging products is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the base assembly of the present invention
FIG. 3 is an exploded view of the levitation charging module of the present invention;
the reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a suspension wireless charging device, which includes
A base assembly 10 having a magnetic module 11 and a first radiation coil 12 built therein; and
a levitation charging module 20 including a permanent magnet 21, a first receiving coil 22, a second transmitting coil 23, a first magnetic isolation member 24, and a second magnetic isolation member 25, wherein a magnetic repulsive force is generated between the permanent magnet 21 and the magnetic module 11 to levitate the levitation charging module 20 above the base assembly 10; the first receiving coil 22 and the first transmitting coil 12 are coupled to each other to transmit electrical energy; the first receiving coil 22 is electrically connected with the second transmitting coil 23 to charge the wireless device to be charged placed on the levitation charging module 20; the first magnetic isolation piece 24 is arranged on the lower surface of the permanent magnet piece 21, and the second magnetic isolation piece 25 is arranged on the upper surface of the permanent magnet piece 21 so as to inhibit the alternating magnetic field generated when the first transmitting coil 12 and the second transmitting coil 23 work from heating the permanent magnet piece 21; the base component 10 comprises a lifting mechanism 13, a base 15 and a platform, a guide post 16 is arranged on the base 15, the platform is sleeved on the guide post 16 through a guide hole, the lifting mechanism 13 is used for driving the platform to move up and down along the guide post 16, and the magnetic module 11 and the first emitting coil 12 are arranged on the platform in a built-in mode.
Specifically, the suspension charging module can be suspended above the base assembly, and meanwhile, the mobile device (such as a mobile phone with a wireless charging function, a tablet computer, and the like) placed on the suspension charging module can be wirelessly charged. When the suspension state, base subassembly and suspension charge between the module be the spaced, do not have the contact each other, adopt wireless power supply mode to realize the transmission of electric energy between base subassembly and the suspension module of charging, specifically, first transmitting coil in the base subassembly is connected with the power, and first receiving coil in first transmitting coil and the suspension module of charging intercouples. The second transmitting coil in the suspension charging module is electrically connected with the first receiving coil, and finally the second transmitting coil can be coupled with the wireless receiving module in the mobile device again, so that wireless charging of the mobile device is realized.
Because the transmission of adopting the wireless power supply mode to realize the electric energy between base subassembly and the suspension module of charging, first transmitting coil and first receiving coil intercoupling when circular telegram, the produced alternating magnetic field of first transmitting coil can produce the heating effect to the permanent magnetism spare in the suspension module of charging, when the permanent magnetism spare high temperature, can lead to the suspension to charge the risk that the module appears the suspension unstability, even unable normal suspension. In order to solve this risk, in the present embodiment, a first magnetic isolation member 24 and a second magnetic isolation member 25 are further disposed in the levitation charging module 20, the first magnetic isolation member 24 and the second magnetic isolation member 25 are made of a metal material with low magnetic permeability, and the first magnetic isolation member 24 and the second magnetic isolation member 25 are respectively disposed on the lower surface and the upper surface of the permanent magnet 21, so that the alternating magnetic field generated when the first transmitting coil 12 and the second transmitting coil 23 operate can be inhibited from heating the permanent magnet.
In summary, in the technical scheme of the invention, a magnetic repulsion force is generated between a permanent magnetic piece and a magnetic module to suspend a suspension charging module above a base assembly, a first receiving coil and a first transmitting coil are coupled with each other to transmit electric energy, the first receiving coil is electrically connected with a second transmitting coil to charge wireless equipment to be charged placed on the suspension charging module, a lifting mechanism, a base and a platform are further arranged, a guide post is arranged on the base, the platform is sleeved on the guide post through a guide hole, the magnetic module and the first transmitting coil are arranged on the platform, and the lifting mechanism drives the platform to move up and down along the guide post, so that the suspension height is adjusted on the basis of magnetic suspension wireless charging, and the technological sense of suspension wireless charging products is further improved.
Referring to fig. 2, in the present embodiment, specifically, the lifting mechanism 13 includes a driving unit 131, a screw 132 and a nut 133, an upper end of the nut 133 is fixed on a lower surface of the platform, a lower end of the nut 133 is in threaded connection with the screw 132, and the driving unit 131 is configured to drive the screw 132 to rotate so that the nut 133 moves up and down along the screw 132. The screw rod and the nut are matched to form screw rod nut transmission, so that the nut moves up and down along the screw rod, and then the nut drives the platform to move up and down along the guide post. Further, the driving unit 13 is a motor, an output shaft of the motor is fixedly connected with the lead screw, and in addition, the motor is fixedly arranged on the base 15, and the output shaft of the motor is arranged towards the platform direction.
Referring to fig. 2, optionally, in this embodiment, the platform includes a first support plate 141 and a bottom shell 142, the first support plate 141 is provided with a guide hole, the first support plate 141 is sleeved on the guide post 16 through the guide hole, the upper end of the nut 133 is fixed to the lower surface of the first support plate 141, the bottom shell 142 is fixed to the upper surface of the first support plate 141, the magnetic module 11 and the first transmitting coil 12 are disposed in the bottom shell 142, and a third magnetic isolation member 143 is disposed between the first support plate 141 and the magnetic module 11. The magnetic module and the first transmitting coil are intensively mounted together through the bottom shell, in addition, the first transmitting coil and the first receiving coil are mutually coupled when the first transmitting coil and the first receiving coil are electrified, an alternating magnetic field generated by the first transmitting coil can generate a heating effect on a magnetic piece or a coil in the motor, and the motor can be damaged when the temperature of the magnetic piece or the coil is too high, so that the influence of the alternating magnetic field generated by the first transmitting coil on the motor is inhibited through the third magnetism isolating piece. Wherein, the third magnetism isolating piece is also made of metal material with low magnetic permeability.
Still further, in this embodiment, a positioning column 144 is fixedly disposed on a lower surface of the third magnetism isolating member 143, and the positioning column 144 is fixedly connected to the first supporting plate 141 through a bolt. The third magnetism isolating piece and the first supporting plate are spaced by the height of the positioning column, so that the influence of an alternating magnetic field generated by the first transmitting coil on the motor can be further reduced.
Still further, in the present embodiment, the magnetic module 11 includes a plurality of electromagnetic coils 112 and a ring permanent magnet 111 disposed around the electromagnetic coils, and the permanent magnet 21 in the levitating charging module 20 can be stably levitated in the magnetic field formed by the electromagnetic coils 112 and the ring permanent magnet 111. The permanent magnetic part has certain load capacity in the suspension state, namely the permanent magnetic part can suspend the suspension charging module above the base component, and when mobile equipment is placed above the suspension charging module, the suspension charging module and the mobile equipment can be suspended above the base.
Referring to fig. 2, in order to limit the platform from moving downward without limitation, in this embodiment, the position of the platform on the guide post 16 includes a lower limit position, the base 15 is provided with a lower limit switch 171, the lower surface of the platform is provided with a lower contact 172, and when the lifting mechanism 13 drives the platform to move to the lower limit position, the lower contact 172 contacts and presses the lower limit switch 171 to stop the lifting mechanism 13. When the platform moves to the lower limit position, the lower contact touches and presses the lower limit switch, and the lower limit switch disconnects the power supply of the lifting mechanism, so that the lifting mechanism stops, and the phenomenon that the platform moves downwards without limit due to misoperation of the lifting mechanism can be avoided. Specifically, in the present embodiment, the lower contact 172 is fixed to the lower surface of the first support plate 141.
In order to limit the platform from moving downwards without limitation, in this embodiment, the position of the platform on the guide posts 16 includes an upper limit position, the upper ends of the guide posts 16 are provided with upper contacts 174, the upper surface of the platform is provided with upper limit switches 173, and when the lifting mechanism 13 drives the platform to move to the upper limit position, the upper contacts 174 press the upper limit switches 173 to stop the lifting mechanism 13. When the platform moves to the upper limit position, the upper contact touches and presses the upper limit switch, and the upper limit switch disconnects the power supply of the lifting mechanism, so that the lifting mechanism stops, and the phenomenon that the platform moves upwards without limit due to misoperation of the lifting mechanism can be avoided. Specifically, in the present embodiment, the upper contact 172 is fixed to the upper surface of the first support plate 141.
In order to ensure the temperature rise suppressing effect of the first and second magnetism isolating members on the permanent magnet members, the first magnetism isolating member 24 and the second magnetism isolating member 25 at least partially cover the surfaces of the permanent magnet members 21. Preferably, the first and second magnetic shielding members 24 and 25 completely cover the surface of the permanent magnet 21, so as to maximally suppress the heating effect of the alternating magnetic field generated when the first and second transmitting coils are operated on the permanent magnet. The first and second magnetically isolating members 24, 25 are made of a metal material with low magnetic permeability, which may be typically a copper plate or an aluminum plate.
In order to avoid the influence of the first magnetism isolating piece on the coupling between the first transmitting coil and the first receiving coil, the area of the first magnetism isolating piece is not too large, and the first receiving coil 22 surrounds the outer periphery of the first magnetism isolating piece 24, so that the first magnetism isolating piece does not interfere with the coupling between the first transmitting coil and the first receiving coil, thereby ensuring that the wireless power supply efficiency between the base assembly and the suspension charging module is not affected.
Referring to fig. 3, in this embodiment, the floating charging module 20 further includes a first housing, the first housing has a first accommodating cavity, the first receiving coil 22, the second transmitting coil 23, the permanent magnetic member 21, the first magnetic shielding member 24 and the second magnetic shielding member 25 are all fixedly disposed in the first accommodating cavity, the second transmitting coil 23 is disposed on a top cavity wall of the first accommodating cavity, and the first receiving coil 22 is disposed on a bottom cavity wall of the first accommodating cavity. The first receiving coil is arranged at the bottom of the first accommodating cavity, so that the distance between the first receiving coil and the first transmitting coil can be shortened, and the wireless power supply efficiency between the first receiving coil and the first transmitting coil is improved. In a similar way, the second transmitting coil is located at the top of the suspension charging module, so that the distance between the second transmitting coil and the wireless receiving module of the mobile device is shortened, and the wireless power supply efficiency between the second transmitting coil and the wireless receiving module of the mobile device is improved.
Further, in the present embodiment, the first housing includes: a box body 27 which is arranged in a barrel shape with an upward opening; and the box cover 28 is covered at the opening of the box body 27, and the box body 27 and the box cover 28 surround to form the first accommodating cavity.
Further, in this embodiment, the suspension charging module 20 further includes a magnetic conductive plate 26, the magnetic conductive plate 26 is located in the first accommodating cavity, and the magnetic conductive plate is disposed between the permanent magnetic member 21 and the second magnetic isolation member 25. When the upper surface of the permanent magnet piece is provided with the iron plate, the magnetic induction lines above the permanent magnet piece preferentially pass through the iron plate, so that the magnetic field above the permanent magnet piece is weakened, and the magnetic field below the permanent magnet piece is strengthened, thereby being beneficial to improving the suspension stability and the suspension height of the permanent magnet piece in the magnetic field formed by the electromagnetic coil and the annular permanent magnet together.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A suspension wireless charging device is characterized by comprising
The base assembly is internally provided with a magnetic module and a first transmitting coil; and
the suspension charging module comprises a permanent magnet piece, a first receiving coil, a second transmitting coil, a first magnetic isolation piece and a second magnetic isolation piece, and magnetic repulsion force is generated between the permanent magnet piece and the magnetic module so as to suspend the suspension charging module above the base component; the first receiving coil and the first transmitting coil are coupled with each other to transmit electric energy; the first receiving coil is electrically connected with the second transmitting coil so as to charge the wireless equipment to be charged placed on the suspension charging module; the first magnetic isolation piece is arranged on the lower surface of the permanent magnet piece, and the second magnetic isolation piece is arranged on the upper surface of the permanent magnet piece so as to inhibit the alternating magnetic field generated when the first transmitting coil and the second transmitting coil work from heating the permanent magnet piece; the base component comprises a lifting mechanism, a base and a platform, a guide post is arranged on the base, the platform is sleeved on the guide post through a guide hole, the lifting mechanism is used for driving the platform to move up and down along the guide post, and a magnetic module and a first emitting coil are arranged on the platform.
2. The suspension wireless charging device according to claim 1, wherein the lifting mechanism comprises a driving unit, a screw rod and a nut, the upper end of the nut is fixed on the lower surface of the platform, the lower end of the nut is in threaded connection with the screw rod, and the driving unit is used for driving the screw rod to rotate so that the nut moves up and down along the screw rod.
3. The suspension wireless charging device according to claim 2, wherein the platform comprises a first supporting plate and a bottom shell, the first supporting plate is provided with a guiding hole, the first supporting plate is sleeved on the guiding post through the guiding hole, the upper end of the nut is fixed on the lower surface of the first supporting plate, the bottom shell is fixed on the upper surface of the first supporting plate, the magnetic module and the first emitting coil are embedded in the bottom shell, and a third magnetism isolating member is arranged between the first supporting plate and the magnetic module.
4. The suspension wireless charging device according to claim 3, wherein a positioning column is fixedly arranged on the lower surface of the third magnetism isolating piece, and the positioning column is fixedly connected with the first supporting plate through a bolt.
5. The suspension wireless charging device of claim 1, wherein the position of the platform on the guide post comprises a lower limit position, the base is provided with a lower limit switch, the lower surface of the platform is provided with a lower contact, and when the lifting mechanism drives the platform to move to the lower limit position, the lower contact touches the lower limit switch to stop the lifting mechanism.
6. The suspension wireless charging device of claim 1, wherein the position of the platform on the guide post comprises an upper limit position, an upper contact is arranged at the upper end of the guide post, an upper limit switch is arranged on the upper surface of the platform, and when the lifting mechanism drives the platform to move to the upper limit position, the upper contact touches the upper limit switch to stop the lifting mechanism.
7. The levitating wireless charging device of claim 1, wherein the magnetic module comprises a plurality of electromagnetic coils and a ring permanent magnet disposed around the electromagnetic coils, and wherein the permanent magnet pieces in the levitating charging module are capable of levitating stably in a magnetic field formed by both the electromagnetic coils and the ring permanent magnet.
8. The floating wireless charging device of claim 1, wherein the first receiving coil surrounds an outer circumferential side of the first magnetism isolating member.
9. The suspension wireless charging device according to claim 1, wherein the suspension charging module further comprises a first housing, the first housing has a first accommodating cavity, the first receiving coil, the second transmitting coil, the permanent magnet, the first magnetic isolation member and the second magnetic isolation member are all fixedly disposed in the first accommodating cavity, the second transmitting coil is attached to a top cavity wall of the first accommodating cavity, and the first receiving coil is attached to a bottom cavity wall of the first accommodating cavity.
10. The suspension wireless charging device according to claim 9, wherein the suspension charging module further comprises a magnetic conductive plate, the magnetic conductive plate is located in the first accommodating cavity, and the magnetic conductive plate is disposed between the permanent magnet member and the second magnetic isolation member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492587.2A CN113241814B (en) | 2021-05-06 | 2021-05-06 | Suspension wireless charging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110492587.2A CN113241814B (en) | 2021-05-06 | 2021-05-06 | Suspension wireless charging device |
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| CN113241814A true CN113241814A (en) | 2021-08-10 |
| CN113241814B CN113241814B (en) | 2024-09-06 |
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| CN202110492587.2A Active CN113241814B (en) | 2021-05-06 | 2021-05-06 | Suspension wireless charging device |
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|---|---|---|---|---|
| WO2017028812A1 (en) * | 2015-08-20 | 2017-02-23 | Tcl通力电子（惠州）有限公司 | Magnetic suspension assembly and magnetic suspension sound box |
| CN210431266U (en) * | 2019-08-29 | 2020-04-28 | 源弈智能科技(上海)有限公司 | Magnetic suspension lifting base and magnetic suspension device |
| CN212627325U (en) * | 2020-06-28 | 2021-02-26 | 深磁科技(深圳)有限公司 | Magnetic suspension wireless charging device |
| CN212969480U (en) * | 2020-09-07 | 2021-04-13 | 槃实科技(深圳)有限公司 | Magnetic suspension lifting system and magnetic suspension device |
| CN215498313U (en) * | 2021-05-06 | 2022-01-11 | 深磁科技(深圳)有限公司 | Suspension wireless charging device |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017028812A1 (en) * | 2015-08-20 | 2017-02-23 | Tcl通力电子（惠州）有限公司 | Magnetic suspension assembly and magnetic suspension sound box |
| CN210431266U (en) * | 2019-08-29 | 2020-04-28 | 源弈智能科技(上海)有限公司 | Magnetic suspension lifting base and magnetic suspension device |
| CN212627325U (en) * | 2020-06-28 | 2021-02-26 | 深磁科技(深圳)有限公司 | Magnetic suspension wireless charging device |
| CN212969480U (en) * | 2020-09-07 | 2021-04-13 | 槃实科技(深圳)有限公司 | Magnetic suspension lifting system and magnetic suspension device |
| CN215498313U (en) * | 2021-05-06 | 2022-01-11 | 深磁科技(深圳)有限公司 | Suspension wireless charging device |
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| CN113241814B (en) | 2024-09-06 |
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