CN107204667A - Intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to - Google Patents
Intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to Download PDFInfo
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- CN107204667A CN107204667A CN201710456976.3A CN201710456976A CN107204667A CN 107204667 A CN107204667 A CN 107204667A CN 201710456976 A CN201710456976 A CN 201710456976A CN 107204667 A CN107204667 A CN 107204667A
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- Prior art keywords
- wireless charging
- intelligent control
- desk
- desktop
- magnetic field
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 206010014357 Electric shock Diseases 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
-
- H02J7/025—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of intelligent control magnetic field all standing formula wireless charging desk, its desktop side for including laying above desk body, desk body is embedded with glass plate, and opposite side is embedded with LCDs；Dividing plate below transmitting coil, drawer is housed in the drawer below the desktop and is provided with transmitter module and single-chip microcomputer, transmitter module is connected with single-chip microcomputer；The desktop is embedded with power line, and the input of power line is hidden in the edge of desk body, and the output end of power line is connected with transmitter module.Additionally provide the method for supplying power to of the wireless charging desk.The wireless charging desk of the present invention is charged with magnetic coupling resonance manner, property that safety is radiationless, reduces electric shock risk；The working condition of intelligent control transmitting coil, efficiently reduces power consumption；General portable, the transmission of electric energy is unrelated with the charging inlet of equipment, and power supply and charging all more facilitate；Exposed without conductive junction point, desktop neat and tidy, green is attractive in appearance, and vision is good, and fully saves desk-top space.
Description
Technical field：
The invention belongs to wireless charging technical field, more particularly to a kind of intelligent control magnetic field all standing formula wireless charging desk
And its method of supplying power to.
Background technology：
Wireless power is the method that electric energy is wirelessly provided for electronic device.The technology and traditional wired transmission of electricity skill
The maximum difference of art is that electrical equipment can obtain electric energy from fixed power network in a contactless manner.This technology efficiently against
The equipment that wired power supply mode is present moves very flexible, supply lines exposure, environment, and unsightly, easily generation contact sparking etc. is asked
Topic.In some special power supply occasions, such as mobile phone, computer, flat board and other have the charging of battery device, more wired power supply has special
Advantage.
Wireless power method can be divided into three classes：Induction, microwave transmission formula, magnet coupled resonant type.Utilize electromagnetism sense
Answer principle to realize wireless power transmission, larger power closely can transmitted with greater efficiency (within 1cm), but its easily by
Disturb and the shortcoming compared with long-distance transmissions can not be realized, as the key factor for limiting its development.In addition, former using microwave transmission
Although reason can realize remote wireless power transmission, its complicated tracing-positioning system and relatively low transmission effect
Rate, makes its development seriously hampered.Magnetic coupling resonance principle is to work as the intrinsic frequency that the frequency encouraged in circuit is equal to circuit
When, the amplitude of the electromagnetic viscosimeter of circuit is up to peak value, here it is the resonance phenomena in circuit, when occurring resonance, two resonance
Stronger coupling will be produced between frequency identical object, so as to more effectively transmit energy.It is multiple in interior, market etc.
In heterocycle border, if the problems such as considering environmental disturbances, power supplying efficiency, magnet coupled resonant type power supply mode is preferred option.
When battery technology does not catch up with the growth momentum of mobile interchange, the enough electricity of mobile terminal are kept to be millions of people institute at any time
To demand, and forget that to its charging be recurrent thing when mobile terminal not enough power supply.At present, it is many in the prior art
Based on the wireless charging desk of induction power supply, a kind of wireless charging as disclosed in utility model patent CN204861805U
Table, the cover plate of its desk body is provided with wireless launcher, and the upper surface of cover plate offers a groove, and groove is provided with and covered
Groove lid, groove lid side is rotatable to be fixed in groove, and wireless launcher is in the groove lid；When electronic product charges
Wait, groove lid is rotated to an angle, wireless charging module is exposed desktop, you can be charged.For another example utility model patent
A kind of wireless charging desk disclosed in CN202104503U, including desktop, wireless charger, the wireless charger by wire and
Plug connects external power supply；When needing to charge to terminal electronic device, terminal electronic device need to only be put to sense on the table
Answer area, you can complete the charging process to terminal electronic device.However, realizing that the desk of wireless power is more with electricity in the prior art
Based on magnetic induction way, but it there are no with magnet coupled resonant type power supply mode to realize the desk of wireless charging, in consideration of it, application
People develops a kind of intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to.
The content of the invention：
The purpose of the present invention aims to provide a kind of intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to.
In order to solve the above technical problems, the present invention takes following technical scheme：
Platy structure is equipped with above a kind of intelligent control magnetic field all standing formula wireless charging desk, including desk body, desk body
Desktop, desktop side is embedded with rectangular glass, and opposite side is embedded with LCDs；It is provided with below the desktop in drawer, drawer
Equipped with some groups of transmitting coils, dividing plate is provided with below drawer, dividing plate is provided with transmitter module and single-chip microcomputer；The transmitter module with
Single-chip microcomputer is connected, the output for intelligent control transmitting coil electromagnetic signal；The desktop is embedded with power line, power line it is defeated
Enter end and be hidden in the edge of desk body, for connecting battery or for connecting civil power by adapter, the output end of power line with
Transmitter module is connected；Several through holes are provided with the drawer, it is corresponding by wire with transmitter module for transmitting coil
Connection.
Above-mentioned transmitting coil is arranged in drawer using nested type multiple array structure, and every group of transmitting coil is by inner ring and outside
Circle composition, array is preferably 2*3 forms.
The method that the wireless charging desk of the present invention is powered is multigroup transmitting coil by being embedded in desktop, by increasing line
The coverage and intensity in magnetic field are enclosed, every group of transmitting coil and the electronic equipment that is put on desktop is magnetically coupled resonance and reality
Existing.
For resonant mode power supply mode, using the teaching of the invention it is possible to provide the desk of wireless power needs larger area, and high
Line loss, the distance of feeder ear and receiving end coil, receiving end coil and power supply end line of the power supplying efficiency by power supply end-coil
The relative position influence of circle is larger.Therefore, if reduction feeder ear line loss, feeder ear coil turn and shape need strictly to set
Meter, while needing reasonable Arrangement power coil according to the moving range of receiving end coil on the table, makes the efficiency of electric power system
Maintain a higher level.Therefore, each place of the whole desktop of the wireless charging desk of the present invention is required for externally carrying
Power supply energy, for increase magnetic field area, coil design is spiral involute.But if involute coil turn is excessive to cause line again
Circle internal resistance is too big, and this can have a strong impact on charge efficiency.To make inner ring charge efficiency reach maximum, drawn according to formula (1)：
The inner ring number of turn is 12 circles, and least radius is 1.5mm, and maximum radius is 25.5mm, a length of 94.2mm of bus.
Further, it is contemplated that inner ring magnetic field range is limited, as receiving end is moved on the table, the work(that coil is provided
Rate declines, to ensure the charge power in desktop scope, and the present invention takes the outer increase outer ring of circle into account, then can according to formula (2)
Draw：
Wherein, γ0=90 °,X, d are respectively the center of circle of two coils in x-axis, y-axis
The distance in direction, r1、r2It is the radius of transmitting coil and receiving coil, μ respectively0It is space permeability.
The outer ring number of turn is 11 circles, and least radius is 27.5mm, and maximum radius is 49.5mm, and bus is a length of
259.18mm。
Further, to ensure optimal charge efficiency, being laid on the desktop above desk body needs for feeder ear and receiving end
Coil ensures optimum distance, then determines that its optimum distance is drawn with formula (1) according to formula (4)：
The thickness of the desktop is 5mm.
The wireless charging desk of the present invention is additionally provided with power supply module, and the power supply module is by 6 groups of high frequency power output module groups
Into, and be connected respectively with 6 groups of transmitting coils.Because the inner ring of transmitting coil is different from outer ring inductance, to make the frequency in power supply magnetic field
Rate is consistent, and inner ring is connected to different size of electric capacity with outer ring, to construct feeder ear coupling coil loop, then basis
Formula (3) and the big I of coil inductance, frequency determine the selection size of electric capacity.
Further, wireless charging desk of the invention is additionally provided with intelligent control module, and the intelligent control module is used to examine
Power coil size of current is surveyed, so as to whether there is receiving end equipment on identification desktop.If having detected receiving end equipment to be placed on
On desktop, then arranged according to the size of current on each coil, opening has the corresponding high frequency of maximum induced-current coil
Power output module, is that receiving end is powered.Meanwhile, the intelligent control module is provided with threshold value, if there is multigroup coil current size
Above the threshold value, then be probably that multiple receiving ends enter desktop field region, at this moment will all be opened more than the module of threshold value
Open, to realize function that multiple terminals powers.If induced-current does not have significant change within a certain period of time, receiving end electricity is proved
Amount completely or without receiving end in desktop scope, at this moment closes respective modules, reduces power consumption.
The beneficial effects of the present invention are：Compared with prior art, all standing formula wireless charging in intelligent control magnetic field of the present invention
The advantage of electric table is as follows：
1) with the radiationless property of magnetic coupling resonance manner charging safety, to human body fanout free region, and the electricity that contact is produced is eliminated
Spark problems, reduce electric shock risk；
2) working condition of intelligent control transmitting coil, efficiently reduces power consumption；
3) General portable, the transmission of electric energy is unrelated with the charging inlet of equipment so that electronic product is not by socket and cable
Constraint, power supply and charging all more facilitate；
4) exposed without conductive junction point, desktop neat and tidy, green is attractive in appearance, and vision is good, and fully saves desk-top space.
Brief description of the drawings：
Fig. 1 is the overall structure diagram of all standing formula wireless charging desk in intelligent control magnetic field of the present invention；
Fig. 2 is the top view of all standing formula wireless charging desk in intelligent control magnetic field of the present invention；
Fig. 3 is the front view of all standing formula wireless charging desk in intelligent control magnetic field of the present invention；
Fig. 4 is the structural representation of one of which transmitting coil of the present invention；
Fig. 5 is the display content of LCDs of the present invention；
Fig. 6 is the connection diagram of transmitting coil of the present invention and transmitter module；
Fig. 7 is the flow chart of intelligent control module of the present invention；
In figure：1- desk bodies, 2- desktops, 3- rectangular glass, 4- LCDs, 5- drawers, 6- transmitting coils, 7- every
Plate, 8- transmitter modules, 9- single-chip microcomputers, 10- power lines.
Embodiment：
Below in conjunction with the accompanying drawings and technical scheme is described in detail embodiment.
As shown in Fig. 1~7, a kind of intelligent control magnetic field all standing formula wireless charging desk, including desk body 1, the top of desk body 1 is spread
Desktop 2 provided with platy structure, the side of desktop 2 is embedded with rectangular glass 3, and opposite side is embedded with LCDs 4；The desktop 2
Lower section is provided with drawer 5, drawer 5 equipped with some groups of transmitting coils 6, and the lower section of drawer 5 is provided with dividing plate 7, and dividing plate 7 is provided with transmitting mould
Block 8 and single-chip microcomputer 9；The transmitter module 8 is connected with single-chip microcomputer 9, the output for the electromagnetic signal of intelligent control transmitting coil 6；
The desktop 2 is embedded with power line 10, and the input of power line 10 is hidden in the edge of the desk body 1, for connect battery or
Person is used to connect civil power by adapter, and the output end of power line 10 is connected with transmitter module 8；If being provided with the drawer 5
Dry through hole, the connection for transmitting coil 6 and transmitter module 8；The transmitting coil 6 is using the arrangement of nested type multiple array structure
In drawer, and every group of transmitting coil 6 is made up of inner ring and outer ring, and array is preferably 2*3 forms.
In concrete operations：External power source is connected to by the input of power line 10, such as battery or for passing through adaptation
Device connects civil power, and now, electric current is transported to transmitter module 8, transmitter module 8 is started working, i.e., when electronic equipment is put in desktop 2
When, single-chip microcomputer 9 detects the change of electric current, so that intelligent control module controls the working condition of corresponding transmitting coil 6, and makes
Their job information is shown on LCDs 4, reduces the loss of electric energy under off working state.As shown in figure 5, liquid crystal
Display screen 4 shows coil relevant information according to the arrangement subregion of six groups of transmitting coils 6, and each viewing area is divided into multiple rows of, display
The job informations such as working condition, efficiency, the power of each group transmitting coil.
During use, the ordered state of the transmitting coil 6 of the lower section of desktop 2 is observed that by rectangular glass 3, than
When as desk is impacted and topples over and causing the position of transmitting coil 6 to change, it can be observed directly from this glass plate.Desktop 2
The drawer 5 that lower section is set, for placing while transmitting coil 6, can conveniently extract out and change transmitting coil 6 and adjustment transmitting coil
6 position.Compared with prior art, the wireless charging desk by multigroup transmitting coil 6, transmitter module 8, single-chip microcomputer 9 and power line 10 all
It is inlaid in desk body 1, makes desktop 2 without any external device, real wireless charging, and fully section is realized from visual effect
Desk-top space is saved.
The intelligent control module of the wireless charging desk controls the working condition of corresponding transmitting coil 6, as shown in fig. 7, specifically
Flow is as follows：
1) in the case where power line 10 connects external power source, receiving end equipment has been detected and has been placed on desktop 2, then root
Arranged according to the size of current on each transmitting coil 6；
2) opening has the corresponding high frequency power output module of maximum induced-current coil, is that receiving end is powered；
3) whether coil current size exceedes threshold valueIf there is multigroup coil current size to be above the threshold value, it is probably
Multiple receiving ends enter desktop field region, are at this moment all turned on the module more than threshold value, are powered with to realize multiple terminals
Function；
4) if induced-current does not have significant change within a certain period of time, prove receiving end electricity completely or without receiving end
In desktop scope, the working condition of correspondence coil module is at this moment closed, power consumption is reduced.
Claims (10)
1. a kind of intelligent control magnetic field all standing formula wireless charging desk, including desk body (1), it is characterised in that：On the desk body (1)
Side is equipped with the desktop (2) of platy structure, and desktop (2) side is embedded with rectangular glass (3), and opposite side is embedded with LCDs
(4)；It is provided with below the desktop (1) in drawer (5), drawer (5) equipped with some groups of transmitting coils (6), drawer (5) lower section is provided with
Dividing plate (7), dividing plate (7) is provided with transmitter module (8) and single-chip microcomputer (9)；The transmitter module (8) is connected with single-chip microcomputer (9), uses
In the output of intelligent control transmitting coil (6) electromagnetic signal；The desktop (2) is embedded with power line (10), power line (10)
Input is hidden in the edge of desk body (1), for connecting battery or for connecting civil power by adapter, power line (10)
Output end is connected by wire with the transmitter module (8)；Several through holes are provided with the drawer (5), for emission lines
(6) are enclosed to connect by the way that wire is corresponding with transmitter module (8).
2. all standing formula wireless charging desk in intelligent control magnetic field according to claim 1, it is characterised in that：The emission lines
Circle is arranged in drawer (5) using nested type multiple array structure, and array structure is 2*3 forms.
3. all standing formula wireless charging desk in intelligent control magnetic field according to claim 1, it is characterised in that：The wireless charging
Electric table is provided with power supply module, and power supply module is made up of some groups of high frequency power output modules, and respectively with the transmitting coil (6)
Connection.
4. all standing formula wireless charging desk in intelligent control magnetic field according to claim 1, it is characterised in that：The wireless charging
Electric table be provided with intelligent control module, intelligent control module be used for detect power coil size of current so that on identification desktop whether
There is receiving end equipment.
5. the power supply of the intelligent control magnetic field all standing formula wireless charging desk according to Claims 1-4 any claim
Method, it is characterised in that：The method of supplying power to is multigroup transmitting coil (6) by setting-in in desktop (2), by increasing coil
The coverage and intensity in magnetic field, the electronic equipment for making every group of transmitting coil (6) and being put on desktop (2) are magnetically coupled resonance
And realize.
6. the method for supplying power to of all standing formula wireless charging desk in intelligent control magnetic field according to claim 5, it is characterised in that：
The transmitting coil (6) is made up of inner ring and outer ring, and the number of turn and shape of inner ring and outer ring are designed as spiral involute.
7. the method for supplying power to of all standing formula wireless charging desk in intelligent control magnetic field according to claim 6, it is characterised in that：
The inner ring number of turn is 12 circles, and least radius is 1.5mm, and maximum radius is 25.5mm, a length of 94.2mm of bus.
8. the method for supplying power to of all standing formula wireless charging desk in intelligent control magnetic field according to claim 6, it is characterised in that：
The outer ring number of turn is 11 circles, and least radius is 27.5mm, and maximum radius is 49.5mm, a length of 259.18mm of bus.
9. the method for supplying power to of all standing formula wireless charging desk in intelligent control magnetic field according to claim 5, it is characterised in that：
The thickness of the desktop is preferably 5mm.
10. the method for supplying power to of all standing formula wireless charging desk in intelligent control magnetic field according to claim 6, its feature exists
In：The inner ring is connected to different size of electric capacity with outer ring, to construct feeder ear coupling coil loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456976.3A CN107204667A (en) | 2017-06-16 | 2017-06-16 | Intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710456976.3A CN107204667A (en) | 2017-06-16 | 2017-06-16 | Intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to |
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| CN107204667A true CN107204667A (en) | 2017-09-26 |
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|---|---|---|---|
| CN201710456976.3A Pending CN107204667A (en) | 2017-06-16 | 2017-06-16 | Intelligent control magnetic field all standing formula wireless charging desk and its method of supplying power to |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448739A (en) * | 2018-04-28 | 2018-08-24 | 成都康普斯北斗科技有限公司 | Drawer type Multifunctional domestic wireless charging device |
| CN109480491A (en) * | 2018-11-08 | 2019-03-19 | 天津大学 | A kind of wireless charging desk using liquid metal |
| CN111082257A (en) * | 2019-12-31 | 2020-04-28 | 杭州简弈科技有限公司 | Multi-functional wireless desktop that charges |
| CN113315262A (en) * | 2021-05-10 | 2021-08-27 | 深圳蓝色海洋工程发展有限公司 | Structure for wirelessly charging moving object |
| CN115065176A (en) * | 2022-06-06 | 2022-09-16 | 赵德双 | Desktop light wireless energy transmission system and method based on magnetic switch |
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| CN206977161U (en) * | 2017-06-16 | 2018-02-06 | 宁夏宏海智能科技有限公司 | A kind of intelligent control magnetic field all standing formula wireless charging desk |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448739A (en) * | 2018-04-28 | 2018-08-24 | 成都康普斯北斗科技有限公司 | Drawer type Multifunctional domestic wireless charging device |
| CN109480491A (en) * | 2018-11-08 | 2019-03-19 | 天津大学 | A kind of wireless charging desk using liquid metal |
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| CN113315262A (en) * | 2021-05-10 | 2021-08-27 | 深圳蓝色海洋工程发展有限公司 | Structure for wirelessly charging moving object |
| CN115065176A (en) * | 2022-06-06 | 2022-09-16 | 赵德双 | Desktop light wireless energy transmission system and method based on magnetic switch |
| CN115065176B (en) * | 2022-06-06 | 2024-02-27 | 赵德双 | Desktop light wireless energy transmission system and method based on magnetic switch |
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Application publication date: 20170926 |
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