CN107342634A - A kind of washing machine internal magnetic resonance couples radio energy transmission system - Google Patents
A kind of washing machine internal magnetic resonance couples radio energy transmission system Download PDFInfo
- Publication number
- CN107342634A CN107342634A CN201710581176.4A CN201710581176A CN107342634A CN 107342634 A CN107342634 A CN 107342634A CN 201710581176 A CN201710581176 A CN 201710581176A CN 107342634 A CN107342634 A CN 107342634A
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- CN
- China
- Prior art keywords
- washing machine
- expelling plate
- receiver board
- circuit
- magnetic resonance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- 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
- H01F27/2804—Printed windings
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
-
- 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
Abstract
A kind of washing machine internal magnetic resonance couples radio energy transmission system, and the system passes through in washing machine outer barrel（102）Metal belt disk（103）The expelling plate of interior installation magnetic resonance coupling radio energy transmission system（202）, in inner tank of washing machine（101）Outer wall installation receiver board（203）, match circuit, control circuit and rectifying and voltage-stabilizing integrated circuit, make transceiver boards produce in the metallic cavity between washing machine inner/outer tube to couple with frequency magnetic resonance, electromagnetic energy is wirelessly passed into receiver board by expelling plate, and direct current energy is converted into by match circuit, control circuit and regulator rectifier circuit, provide efficient, stable radio energy supply to be mounted or placed on the electrical equipment of inner tank of washing machine diverse location.Solves the engineering technology problem that inner tank of washing machine can not effectively be powered due to high speed rotation for a long time.Wireless power general power of the present invention is applied in inner tank of washing machine up to 100w, a variety of sensings, monitoring and control equipment.
Description
Technical field
The present invention relates to a kind of washing machine internal magnetic resonance to couple radio energy transmission system, belongs to wireless power transmission technology
Application field.
Background technology
In recent years, with the high speed development of wireless technology, the proposition of new wireless energy transfer mechanism and people are to real
The portable set that " can wirelessly use " and the growth of the demand of green energy resource system, for grinding for wireless energy transmission technology
Study carefully and using the focus for turning into domestic and international academia and industrial quarters.Industry has begun to attempt the technology being applied to people's day
Often in the low power dissipation electron product in life, to substitute original power line realization to the wireless charging of equipment, the life to people
Work brings extra facility, such as wireless charging toothbrush and wireless charging electrical blanket based on magnetic induction coupling technique.
But the application value of wireless energy transmission technology and market potential are run far deeper than in this.Such as wireless power transmission
Technology can be applied to smart home field, using house as platform, apart from wireless power transmission technology, hidden wiring skill in utilization
Art and automatic control technology thoroughly remove power line all in life staying idle at home region, to traditional home appliance and emerging 3C equipment
（Computer computers, Communication communication equipments and Consumer electronics consumption electronic products）Carry out nothing
Micro USB is electric or continues electric energy supply, lifting house security, convenience, comfortableness and artistry, builds efficient, environmental protection, section
The intelligent dwelling environment of energy.
If wireless power transmission technology is applied in field of household appliances, the electrical equipment inside household electrical appliances and sensing module are carried out
Wireless power, can solve the problems, such as wiring and the continued power of the low power consumption equipment such as illuminate, take a breath, sense in traditional home appliance, have
Effect reduces production, assembling and the later stage maintenance cost of product, extends the service life of product, thoroughly eliminates electric leakage, electric arc causes
Electrical Safety hidden danger and disaster hidden-trouble.Wireless power transmission technology may be applied to new electronic industry, solve to include
The wireless charging problem of the products such as robot, unmanned plane, VR, wearable device.
Wireless energy transfer pattern and mechanism can substantially be divided into magnetic induction coupling, electromagnetic radiation and magnetic resonance and couple three kinds of sides
Formula.Compared with electromagnetic radiation mode, magnetic resonance coupled modes all have advantage in security, efficiency of transmission and cost；With magnetic
Inductively mode is compared, and it has advantage in transmission range and stability.Washing machine comes clear by the high speed rotation of inner cylinder
Washed and dehydration, but when inner cylinder rotates at a high speed, the mode being powered in connection power line to cylinder to equipment will certainly be made
Into the winding of supply line, effective, safe and stable power supply can not be carried out to the electrical equipment in cylinder, causes to deposit for a long time
Inner tank of washing machine run at high speed when vibration problems can not effectively be solved, in addition in the extensive use of intelligent appliance field
All kinds of monitoring, sensing equipment laundry machine barrel in can not also apply.
At present, due to washing machine in the running, inner cylinder needs to rotate to clean clothing and dehydration, but when inner cylinder rotates at a high speed
When, power line is connected to the interior inevasible winding that can cause supply line of mode being powered to equipment of cylinder, therefore
The wide variety of all kinds of monitoring in intelligent appliance field, illumination, sensing equipment can not be applied in laundry machine barrel, in addition for a long time
Since vibration problems of existing inner tank of washing machine when running at high speed also can not effectively be solved.In summary, in washing machine
The powerup issue in portion has had a strong impact on the process of washing machine intelligent development.
The content of the invention
The object of the present invention is to the problem of existing for washing machine operation electricity consumption, the present invention proposes a kind of washing machine internal
Magnetic resonance couples radio energy transmission system, radio energy is provided to washing machine, to solve in-line power.
Realize that technical scheme is as follows：A kind of washing machine internal magnetic resonance coupling radio energy transmission system includes
Transmitter module and receiving module.The transmitter module for radio energy launch, the transmitter module include RF power amplification source and
Expelling plate, RF power amplification source connection expelling plate；The expelling plate is planar spiral winding structure, altogether comprising three layers of medium substrate and
Three layer printed circuits；The top surface of first layer medium substrate is printed with transmitting resonance coil, the top surface printing of second layer medium substrate
There is spurious resonance coil, the bottom surface of third layer medium substrate is printed with the microstrip line for connecting resonance coil.
The receiving module receives for radio energy, and the receiving module includes receiver board, match circuit, control circuit
And regulator rectifier circuit, the receiver board are planar spiral winding structure, altogether comprising three layers of medium substrate and three layer printed circuits,
It can be processed by printed circuit technology；The top surface of first layer medium substrate is printed with transmitting resonance coil, second layer medium substrate
Top surface be printed with spurious resonance coil, the bottom surface of third layer medium substrate is printed with the microstrip line for connecting resonance coil.
The RF power amplification source input connection power supply adaptor of the transmitter module；The connection transmitting of RF power amplification source output terminal
Plate；The input of the receiver board matching connection circuit of the receiving module；The output end connection rectifying and voltage-stabilizing of match circuit integrates
The input of circuit；Control circuit connects the control terminal of rectifying and voltage-stabilizing integrated circuit；Rectifying and voltage-stabilizing ic output connects
Washing machine internal electric loading.
The electromagnetic energy of working frequency needed for output, electricity after the RF power amplification source connection power supply adaptor of the transmitter module
Magnetic energy passes to expelling plate by radio frequency line；Same frequency magnetic resonance between the expelling plate and receiver board couples, electromagnetic energy
Orientation is delivered on receiver board；After the receiver board receives electromagnetic energy, then received end match circuit, control circuit and whole
Stream mu balanced circuit is converted into dc power and exported to electrical equipment.
The number of turn, size, the spacing of the expelling plate and receiver board can adjust within the specific limits, with meet different sizes,
The application demand of the washing machine of specification and model.
Wireless energy transmission efficiency between the expelling plate and receiver board is held in more than 90%；The expelling plate and
The resonant frequency of receiver board uses 6.78MHz；The receiving module offer 3.3V of the magnetic resonance coupling radio energy transmission system,
5V or 12V voltage output interface；The wireless power general power that the system can provide reaches 100W.
The expelling plate is arranged in washing machine outer barrel metal belt disk；Receiver board is arranged on inner tank of washing machine inwall.
The invention has the advantages that present invention employs the design of molded line coil structures, pass through metallic cavity
Interior field orientation distribution, overcomes influence of the washing machine internal large-area metal wall to wireless power transmission efficiency, protects simultaneously
Demonstrate,prove when inner tank of washing machine rotates at a high speed, radio energy efficiently, stably can be coupled on receiver board by expelling plate, so
Afterwards by receiving terminal match circuit, control circuit and rectifying and voltage-stabilizing integrated circuit, radio energy is converted into dc power, to cylinder
Interior electrical equipment is powered, and the effective propagation path of radio energy is up to 20cm.The present invention solves washing machine and rotated at a high speed
When inner cylinder power inside equipment powerup issue.
Brief description of the drawings
Fig. 1 is internal structure of washing machine figure；
Fig. 2 is washing machine internal wireless power supply system structure chart；
Fig. 3 is washing machine internal wireless power supply system scheme of installation；
Fig. 4 is washing machine internal wireless power supply system expelling plate first layer electrical block diagram；
Fig. 5 is washing machine internal wireless power supply system expelling plate second layer electrical block diagram；
Fig. 6 is the 4th layer of electrical block diagram of washing machine internal wireless power supply system expelling plate；
Fig. 7 is washing machine internal wireless power supply system receiver board first layer electrical block diagram；
Fig. 8 is washing machine internal wireless power supply system receiver board second layer electrical block diagram；
Fig. 9 is the 4th layer of electrical block diagram of washing machine internal wireless power supply system receiver board；
Efficiency of transmission figures of the Figure 10 between washing machine internal wireless power supply system transceiver boards；
In figure, 101 be inner tank of washing machine, and 102 be washing machine outer barrel, and 103 be metal belt disk；201 be RF power amplification source, 202
It is receiver board for expelling plate, 203；401 be the resonance coil of expelling plate first layer medium substrate top surface, and 402 be that expelling plate 401 is humorous
The coil that shakes connects the through hole of the spurious resonance coil of expelling plate 501, and DOut_Tx is the outer dia of expelling plate, and DIn_Tx is transmitting
The inside diameter of plate, WRes_Tx be 401 microstrip lines width, interval widths of the SGap_Tx between 401 microstrip lines；501 are
The spurious resonance coil of expelling plate second layer medium substrate top surface, 502 be the through hole that expelling plate 501 connects expelling plate 401,
DOut_Tx1 is the outer dia of expelling plate, and DIn_Tx1 is the inside diameter of expelling plate, and WRes_Tx1 is the width of 501 microstrip lines
Degree, interval widths of the SGap_Tx1 between 501 microstrip lines；601 be expelling plate 401 and 501 microstrip lines being connected, positioned at transmitting
The 4th layer of medium substrate bottom of plate, 602 for connection 401 and 501 through hole, 603 be expelling plate resonant capacitance, DOut_Tx2
For the outer dia of expelling plate, DIn_Tx2 is the inside diameter of expelling plate；701 be receiver board first layer medium substrate top surface
Resonance coil, 702 be the through hole that the resonance coil of receiver board 701 connects the spurious resonance coil of receiver board 801, and DOut_Rx is reception
The outer dia of plate, DIn_Rx are the inside diameter of receiver board, and WRes_Rx is the width of 701 microstrip lines, and SGap_Rx is 701 micro-
With the interval width between line；801 be the spurious resonance coil of receiver board second layer medium substrate top surface, and 802 be expelling plate 801
The through hole of receiver board 701 is connected, DOut_Rx1 is the outer dia of receiver board, and DIn_Rx1 is the inside diameter of receiver board,
WRes_Rx1 be 801 microstrip lines width, interval widths of the SGap_Rx1 between 801 microstrip lines；901 be the He of receiver board 701
801 connected microstrip lines, positioned at the 4th layer of medium substrate bottom of receiver board, 902 is connect 701 and 801 through hole, and 903 be to connect
The resonant capacitance of plate is received, DOut_Rx2 is the outer dia of receiver board, and DIn_Rx2 is the inside diameter of receiver board.
Embodiment
Radio energy transmission system in the embodiment of the present invention applied to washing machine internal electrical equipment is by transmitter module
Formed with receiving module two parts.Transmitter module includes RF power amplification source 201 and the expelling plate 202 for launching radio energy,
Receiving module includes match circuit, control circuit, rectifying and voltage-stabilizing integrated circuit and the receiver board 203 for receiving radio energy.
The transmitter module and receiving module of system connect power supply adaptor and load respectively, and expelling plate uses thickness as the four of 1-1.6mm
Layer printed circuit board is processed, and receiver board is processed using 1-1.2mm four layer printed circuit boards.
According to Fig. 3, power amplifier source in the present embodiment produces the electromagnetic energy that frequency is 6.78MHz, by installed in
Expelling plate transmitting in washing machine outer barrel metal belt disk, is then coupled, orientation passes by the same frequency magnetic resonance between transceiver boards
It is delivered on the receiver board of inner tank of washing machine inwall, then matched circuit, control circuit and regulator rectifier circuit are exported and set to electricity consumption
It is standby；The working frequency of the present embodiment design is not limited only to 6.78MHz, and working frequency can be adjusted in the range of 5MHz-20MHz
Whole, receiving module provides 3.3V-12V multiple voltage output interfaces, to meet the input voltage requirement of different electrical equipments, system
The wireless power general power of offer can provide stable, efficient up to 100w for different electronics, the electrical equipment of inner tank of washing machine
Radio energy supplies.
As shown in Fig. 4 to Fig. 9, all structures in the present embodiment are planarization structure, using printed circuit board (PCB) work
Skill is process, and it is determined that after the structure design of expelling plate and receiver board, corresponding resonant capacitance and matching electricity are added to it
Road, to realize the same frequency magnetic resonance of expelling plate and receiver board.
The symbol logo in structure chart according to Fig. 4-Fig. 9, with reference to practical application request, to setting in this embodiment
Meter uses following geometric parameter and electric parameter：
By test, inner tank of washing machine still can maintain efficient electric energy to transmit when rotating at a high speed.
By taking 5WLED as an example：
Claims (5)
1. a kind of washing machine internal magnetic resonance couples radio energy transmission system, it is characterised in that the system includes transmitting mould
Block and receiving module,
The transmitter module is launched for radio energy, and the transmitter module includes RF power amplification source and expelling plate, RF power amplification
Source connects expelling plate；The expelling plate is planar spiral winding structure, altogether comprising three layers of medium substrate and three layer printed circuits；The
The top surface of one layer of medium substrate is printed with transmitting resonance coil, and the top surface of second layer medium substrate is printed with spurious resonance coil,
The bottom surface of third layer medium substrate is printed with the microstrip line for connecting resonance coil；
The receiving module receives for radio energy, and the receiving module includes receiver board, match circuit, control circuit and whole
Mu balanced circuit is flowed, the receiver board is planar spiral winding structure, altogether comprising three layers of medium substrate and three layer printed circuits, can be led to
Cross printed circuit technology processing；The top surface of first layer medium substrate is printed with transmitting resonance coil, the top of second layer medium substrate
Face is printed with spurious resonance coil, and the bottom surface of third layer medium substrate is printed with the microstrip line for connecting resonance coil；
The electromagnetic energy of working frequency needed for output, electromagnetic energy after the RF power amplification source connection power supply adaptor of the transmitter module
Amount passes to expelling plate by radio frequency line；Same frequency magnetic resonance between the expelling plate and receiver board couples, electromagnetic energy orientation
It is delivered on receiver board；After the receiver board receives electromagnetic energy, then received end match circuit, control circuit and rectification are steady
Volt circuit is converted into dc power and exported to electrical equipment.
A kind of 2. washing machine internal magnetic resonance coupling radio energy transmission system according to claim 1, it is characterised in that
The number of turn of the expelling plate is the circle of 4 circles ~ 8；The size of the expelling plate resonance coil microstrip line is 2mm ~ 6mm；The expelling plate
Spacing between resonance coil microstrip line is 1mm ~ 4mm；The number of turn of the receiver board resonance coil is the circle of 6 circles ~ 10；The reception
The size of plate resonance coil microstrip line is 2mm ~ 6mm；Spacing between the receiver board resonance coil microstrip line is 1mm ~ 4mm；
Spacing between the expelling plate and receiver board is 5cm ~ 20cm；To meet answering for the washing machine of different sizes, specification and model
Use demand.
A kind of 3. washing machine internal magnetic resonance coupling radio energy transmission system according to claim 1, it is characterised in that
Wireless energy transmission efficiency between the expelling plate and receiver board is held in more than 90%；The expelling plate and receiver board
Resonant frequency uses 6.78MHz；The receiving module of the magnetic resonance coupling radio energy transmission system provides 3.3V, 5V or 12V
Voltage output interface；The wireless power general power that the system can provide reaches 100W.
A kind of 4. washing machine internal magnetic resonance coupling radio energy transmission system according to claim 1, it is characterised in that
The expelling plate is arranged in washing machine outer barrel metal belt disk；Receiver board is arranged on inner tank of washing machine inwall.
A kind of 5. washing machine internal magnetic resonance coupling radio energy transmission system according to claim 1, it is characterised in that
The RF power amplification source connection power supply adaptor power supply of the transmitter module, the output end connection expelling plate in RF power amplification source；It is described
The receiver board matching connection circuit of receiving module, the output end connection rectification circuit of match circuit, the dc power warp after rectification
Mu balanced circuit, the output end connection washing machine internal electric loading of mu balanced circuit are connected after control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581176.4A CN107342634B (en) | 2017-07-17 | 2017-07-17 | Magnetic resonance coupling wireless power transmission system in washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710581176.4A CN107342634B (en) | 2017-07-17 | 2017-07-17 | Magnetic resonance coupling wireless power transmission system in washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN107342634A true CN107342634A (en) | 2017-11-10 |
| CN107342634B CN107342634B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710581176.4A Active CN107342634B (en) | 2017-07-17 | 2017-07-17 | Magnetic resonance coupling wireless power transmission system in washing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226830A (en) * | 2018-01-05 | 2018-06-29 | 重庆大学 | A kind of resonant element and its array structure for being used to strengthen RF energy |
| CN109818425A (en) * | 2017-11-20 | 2019-05-28 | 青岛海尔洗衣机有限公司 | Wireless power supply system and washing machine for washing machine |
| CN110635573A (en) * | 2019-09-23 | 2019-12-31 | 重庆大学 | Sleeve pair-embedded electric field coupling mechanism and EC-WPT system formed by same |
| WO2020244531A1 (en) * | 2019-06-03 | 2020-12-10 | 青岛海尔洗衣机有限公司 | Washing machine and control method therefor |
| CN113595263A (en) * | 2021-09-29 | 2021-11-02 | 成都斯普奥汀科技有限公司 | Magnetic resonance wireless charging system for prolonging transverse coupling distance of transmitting and receiving antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712318A (en) * | 2017-02-10 | 2017-05-24 | 成都斯普奥汀科技有限公司 | Multistage relay coupling magnetic resonance wireless power transmission system in refrigerator |
-
2017
- 2017-07-17 CN CN201710581176.4A patent/CN107342634B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712318A (en) * | 2017-02-10 | 2017-05-24 | 成都斯普奥汀科技有限公司 | Multistage relay coupling magnetic resonance wireless power transmission system in refrigerator |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818425A (en) * | 2017-11-20 | 2019-05-28 | 青岛海尔洗衣机有限公司 | Wireless power supply system and washing machine for washing machine |
| CN108226830A (en) * | 2018-01-05 | 2018-06-29 | 重庆大学 | A kind of resonant element and its array structure for being used to strengthen RF energy |
| WO2020244531A1 (en) * | 2019-06-03 | 2020-12-10 | 青岛海尔洗衣机有限公司 | Washing machine and control method therefor |
| CN110635573A (en) * | 2019-09-23 | 2019-12-31 | 重庆大学 | Sleeve pair-embedded electric field coupling mechanism and EC-WPT system formed by same |
| CN110635573B (en) * | 2019-09-23 | 2021-02-19 | 重庆大学 | Sleeve pair-embedded electric field coupling mechanism and EC-WPT system formed by same |
| CN113595263A (en) * | 2021-09-29 | 2021-11-02 | 成都斯普奥汀科技有限公司 | Magnetic resonance wireless charging system for prolonging transverse coupling distance of transmitting and receiving antenna |
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| Publication number | Publication date |
|---|---|
| CN107342634B (en) | 2020-12-29 |
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