CN110138098A - A kind of suspension wireless power transmission device and suspension charger - Google Patents
A kind of suspension wireless power transmission device and suspension charger Download PDFInfo
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- CN110138098A CN110138098A CN201910558572.4A CN201910558572A CN110138098A CN 110138098 A CN110138098 A CN 110138098A CN 201910558572 A CN201910558572 A CN 201910558572A CN 110138098 A CN110138098 A CN 110138098A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 80
- 239000000725 suspension Substances 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 claims abstract description 37
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000009977 dual effect Effects 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of suspension wireless power transmission devices, including including suspension system, the Wireless power transmission system being located in suspension system, suspension system includes pedestal magnet, the float magnet being located above pedestal magnet that suspends, the detection system being located on the outside of pedestal magnet.Float magnet is suspended in above pedestal magnet, positional shift whether occurs by the float magnet that detection system detection is suspended in above pedestal magnet and float magnet positions are adjusted, above-described suspension wireless power transmission device realizes the function of magnetic suspension wireless power transmission, solves shortcoming existing for traditional wire power transmission, and suspension wireless power transmission device of the invention has many advantages, such as that low manufacture cost, practical, noiseless, using flexible, scalability be strong, long service life.The invention also discloses a kind of suspension chargers, including above-mentioned suspension wireless power transmission device.
Description
Technical field
The present invention relates to wireless power transmission field, in particular to a kind of suspension wireless power transmission device and the charging that suspends
Device.
Background technique
Traditional electric power generally relies on electric wire medium and is transmitted, and carries out power transmission by electric wire and is easy to happen electric wire mill
Damage is even burnt equal unexpected, has security risk, and in practical applications, electric wire is easy to staggeredly in a jumble, in use
It is inconvenient.
And mobile phone is the current most common personal consumption electronic product.Everybody trip is substantially all from not mobile phone, is passed
The mobile phone charging modes of system are wired charging, and traditional wire charging modes bring inconvenience, when charging there may be
Spark and the security risk of electric shock, charge port can also leave dust accumulation, component meeting aging after long-time service, it is also possible to it intakes, interface
Also it can be worn, got rusty, be deformed.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, a kind of suspension wireless power transmission device and suspension are provided
Charger.
The present invention solve above-mentioned technical problem the technical solution adopted is that:
A kind of suspension wireless power transmission device, including suspension system, the wireless power transmission system being located in suspension system
System, suspension system include pedestal magnet, the float magnet being located above pedestal magnet that suspends, the detection being located on the outside of pedestal magnet
System, detection system is for detecting float magnet (1) and being adjusted to the position deviation of float magnet (1).The above technical side
In case, pedestal magnet is staggered relatively with magnetic grade with float magnet, and under the action of the magnetic field force of " identical charges repel each other ", float magnet is outstanding
It floats on above pedestal magnet, whether positional shift is occurred by the float magnet that detection system detection is suspended in above pedestal magnet
And float magnet positions are adjusted；Wireless power transmission system include the power transmission module being arranged on pedestal magnet,
The power receiver module being located on float magnet.Power transmission module include outer diameter 81mm, internal diameter 70mm power transmission coil and
By made Voltage stabilizing module based on XKT-412 chip；Power receiver module includes the power receiving coil of outer diameter 52mm, internal diameter 30mm
And the Voltage stabilizing module made of based on LM7805 voltage-stablizer.Power on rear exchange of the power transmission module based on certain frequency
Electricity generates certain electric current by electromagnetic induction in power receiving coil, so that energy is transferred to electric power from power transmission module
Receiving module；Suspension wireless power transmission device is applied to that when the mobile phone is charging, the electric current that power receiver module receives is passed through
Voltage stabilizing module exports 5v voltage and carries out constant charge to mobile phone by the charging head of mobile phone terminal.Above-described suspension wireless power
Transmitting device realizes the function of magnetic suspension wireless power transmission, solves shortcoming existing for traditional wire power transmission,
And suspension wireless power transmission device of the invention has low manufacture cost, practical, noiseless, using flexible, scalability
By force, the advantages that long service life.
Preferably, detection system includes the detection circuit being located on the outside of pedestal magnet and for detecting float magnet.With
In upper technical solution, detection circuit whether there is above pedestal magnet for detecting float magnet, when detection circuit detects
When float magnet is present in above pedestal magnet, whether detection system real-time detection is suspended in the float magnet above pedestal magnet
Positional shift occurs and float magnet positions are adjusted；It is present in pedestal magnet when float magnet is not detected in detection circuit
When top, detection system stops the position deviation of detection float magnet.The above design saves suspension wireless power transmission device
Electric power under standby mode, and there is stronger scalability, technical staff can be incorporated into alarm by measurement circuit design
Circuit, when float magnet is fallen above pedestal magnet, the signal that detection circuit receives changes, to trigger alarm
Prompt periphery personnel.
Preferably, detection system further includes connecting and being used for detection circuit to generate magnetic field to adjust float magnet positions
Adjustment circuit, the displacement equations comparison circuit that is connect with adjustment circuit and be used to acquire float magnet offset deviation signal.With
In upper technical solution, when detection circuit detects that float magnet is present in above pedestal magnet, adjustment circuit opens work, adjusts
Whole circuit is adjusted float magnet positions according to the collected float magnet offset deviation signal of displacement equations comparison circuit；
Adjustment circuit is located at the coil on pedestal magnet periphery by control, so that the coil generates magnetic field and generates to float magnet
Magnetic field force, to carry out position adjustment to float magnet.
Preferably, detection circuit is connect including the first Hall linear transducer U1, with the first Hall linear transducer U1
Voltage comparator U5, the metal-oxide-semiconductor Q1 that is connect with voltage comparator, metal-oxide-semiconductor Q1 also connect with adjustment circuit and is used to control and adjust
The switch of the input voltage of whole circuit.In above technical scheme, the first Hall linear transducer U1 does not have in obverse and reverse direction
The mid-point voltage of out-put supply when magnetic field passes through, when the pole S passes through the first Hall linear transducer front U1 output voltage with
Magnetic force becomes larger and increases, otherwise output voltage reduces., when the central horizontal of float magnet is placed on the first Hall linear transducer
When the top of U1, since the center pole N, S of float magnet is cancelled out each other so the first Hall linear transducer U1 does not measure magnetic
, so output medium voltage, when float magnet off center is some, the first Hall linear transducer U1 is no longer on magnetic field
Equilibrium state, or show as the pole N or for the pole S, the first Hall linear transducer U1 can export corresponding voltage signal, this variation
Signal be amplified comparison after can regard displacement signal；With should the first Hall linear transducer U1 just towards float magnet
When, the variable signal of the first Hall linear transducer U1 indicates whether float magnet is placed on above, is to realize float magnet
Detection.First Hall linear transducer U1 send the signal detected to voltage comparator U5, the first Hall linear transducer U1
The signal detected is sent to the 6th pin IN- foot of the U5 of voltage comparator, and compares with the reference voltage of the 5th foot, reference voltage
For 2.5V.When the first Hall linear transducer U1 detects signal existing for float magnet, the first Hall linear transducer U1
Output is higher than 2.5 volts of voltage, and the 7th foot OUT1 foot of voltage comparator U5 exports low potential, metal-oxide-semiconductor Q1 conducting and output voltage
Supply electricity to adjustment circuit.Voltage comparator U5 includes LM393 comparator.
Preferably, displacement equations comparison circuit includes the second Hall linear transducer U2 and the second Hall linear sensing
The reversed proportional amplifier U3 of device U2 connection, the second Hall linear transducer U2 pass the displacement signal of collected float magnet
It send to the reverse input end of reversed proportional amplifier U3, the positive input and divider resistance R1 of reversed proportional amplifier U3 connects
It connects, the output end of reversed proportional amplifier U3 is connect with adjustment circuit.In above technical scheme, the vdd voltage of external stabilization is passed through
The 3rd foot for being transmitted to reversed proportional amplifier U3 after crossing divider resistance R1 partial pressure, and the base as reversed proportional amplifier U3
Calibration signal；The position signal for the float magnet that second Hall linear transducer U2 will test is transmitted to reversed proportional amplifier U3
The 2nd foot and compare with reference signal, to generate effective displacement error signal, displacement error signal is from reversed ratio enlargement
The first foot of device U3 is transmitted to adjustment circuit, and adjustment circuit carries out position adjustment to float magnet.
Preferably, adjustment circuit includes for generating magnetic field and adjusting the coil of float magnet displacement, connect with coil
And changes the driver in magnetic field for driving coil, connect with driver and be used to generate and transmit positive and negative rotation logical signal to drive
The conversion circuit of dynamic device.In above technical scheme, coil is uniformly located at below float magnet, and the present invention uses four coils, line
Circle generates the horizontal displacement of magnetic force adjustment float magnet, and magnetic force requirement is stronger, so the centre of coil increases iron core to add
Strong magnetic force, and each group of all Same Name of Ends is connected, it is therefore an objective to when acting on float magnet, when float magnet secundly, energy
Float magnet is enough adjusted by magnetic field force.Driver includes integrated chip PT5126A, and two input terminals input of driver is opposite
Logic can make coil commutation, i.e. the signal of the two-way opposite phase of conversion circuit output is respectively fed to the 6th of driver
Foot and the 7th foot, and corresponding adjustment magnetic field is generated according to truth table output drive signal control coil.Truth table is as follows:
Preferably, conversion circuit includes the first dual operational amplifier U4, the second dual operational amplifier U5, first pair of operation
Amplifier U4 is connect with the positive input of the second dual operational amplifier U5, the reverse input end of the first dual operational amplifier U4 with
The output end connection of reversed proportional amplifier U3, the reverse input end of the second dual operational amplifier U5 respectively with divider resistance R2,
One end of divider resistance R3 connects, and the other end of divider resistance R2 is also connect with the output end of the first dual operational amplifier U4,
The other end of divider resistance R3 is also connect with the output end of the second dual operational amplifier U5, the first dual operational amplifier U4, second
The output end of dual operational amplifier U5 is connect with driver respectively.In above technical scheme, two-way made of LM358 chip is used
Amplifier U4, U5 is connected into the conversion of positive and negative rotation logical signal, and the positive input of two-way amplifier connects together, jointly by R4, R5 group
At the reference signal that is inverted as two-way amplifier of branch pressure voltage；Simultaneously R19, C10, R19, R17, R16 in conversion circuit with
The amplification of first dual operational amplifier U4 composition ratio and differential circuit amplify differential process to the error offset signal of input,
Purpose is when the unexpected off center point of float magnet, and error signal passes through the first dual operational amplifier U4 after amplification
After differential circuit, be sent into driver, performance the result is that the driving time of a certain respective direction of front half section more lengthens, realize to magnetic
Iron retracts rapidly central point；The driving time that driving respective direction is sent to when gradually returning near midpoint gradually decreases again, with
This realizes PD control.Second dual operational amplifier U5 is by being input to second by R15 after divider resistance R2, divider resistance R3 partial pressure
The inverting input terminal of dual operational amplifier U5, and compare with the branch pressure voltage 2.5V that is made of R4, R5 as driven output, it is
It says based on the first dual operational amplifier U4, the second dual operational amplifier U5 is from but the output of the two is opposite.When first
When dual operational amplifier U4 exports low level, this end-point voltage is less than 2.5 volts after R2, R3 partial pressure, i.e. the second dual operational amplifier
U5 reverse side voltage is lower than the 2.5V of positive terminal, and the second dual operational amplifier U5 exports high level, otherwise similarly.First pair of operation
Amplifier U4, the second dual operational amplifier U5 form the positive and negative rotation logical signal conversion circuit of principal and subordinate, and are realized by driver
The function of position adjustment is carried out to float magnet.
Preferably, Wireless power transmission system includes that power transmission module, the electric power connecting with power transmission module connect
Receive module.In above technical scheme, Wireless power transmission system includes the power transmission module being arranged on pedestal magnet, is located at
Power receiver module on float magnet.Power transmission module include outer diameter 81mm, internal diameter 70mm power transmission coil and by
Made Voltage stabilizing module based on XKT-412 chip；Power receiver module include outer diameter 52mm, internal diameter 30mm power receiving coil with
And the Voltage stabilizing module made of based on LM7805 voltage-stablizer.Power on rear alternating current of the power transmission module based on certain frequency
Certain electric current is generated in power receiving coil by electromagnetic induction, is connect so that energy is transferred to electric power from power transmission module
Receive module；Suspension wireless power transmission device is applied to when the mobile phone is charging, and the electric current that power receiver module is received passes through steady
Die block exports 5v voltage and carries out constant charge to mobile phone by the charging head of mobile phone terminal.
Preferably, power transmission module includes radio transmitter；Power receiver module include power receiving coil, with by electricity
The three terminal regulator of coil connection.In above technical scheme, power transmission module by mobile terminal charging head by power transmission extremely
Mobile terminal, mobile terminal charging head are connect with three terminal regulator.It include high-frequency high-power integrated circuit XKT- in power transmission circuit
412 chips, the small output power of this chip volume is powerful, can work in lower frequency range using can greatly reduce transmit coil
Volume and size enhance transmission power, reduce coil cost, due to winding inductance quantity require it is small directly adopt PCB make
Keep production application easier for transmitting；XKT-412 chip uses state-of-the-art Width funtion adaptive technique chip design technology,
Same transmit circuit can in any working range voltage use it is extremely easy to use without any device of change, circuit pole
To be simple, its main feature is that precision is high, stability is good, automatic adaptation supply voltage regulatory function, enable in wider voltage
It is lower to work, automatic frequency locking, bear detection load, automated power control, high speed energy transmission of electricity transmission, intelligent measurement automatically
System exempts from debugging etc., dedicated in wireless induction intelligent charge, power supply management system, unfailing performance is high.XKT-412 is negative
Duty handles the wireless power transmission function in the system, using electromagnetic energy transfer principle and receiving portion is cooperated to do energy conversion
And the real time monitoring of circuit；It is responsible for the quick-charging intelligent control of items battery, XKT-412 need to only cooperate few outer member
Highly reliable wireless quick charger, wireless power source power supply can be made into.
Power receiver module includes LM7805 three-terminal voltage-stabilizing integrated chip, and LM7805 three-terminal voltage-stabilizing integrated chip provides DC5V
Output voltage, include overcurrent and overload protecting circuit.As its name suggests, three-terminal voltage-stabilizing integrated chip only has three pin outputs,
It is input terminal, ground terminal and output end respectively.The internal circuit of three-terminal voltage-stabilizing integrated chip have overvoltage protection, overcurrent protection,
Overheating protection function, this keeps the performance of three-terminal voltage-stabilizing integrated chip very stable, can be realized the output electric current of 1A or more.Three ends are steady
It presses integrated chip that can also adjust with local to eliminate influence of noise, solves the dispersion relevant to single-point adjusting, it is defeated
Voltage error precision is divided into ± 3% and ± 5% out.Use certainly for LM7805 is also the attention input and output needed especially
Pressure difference cannot be too big, and too big then transfer efficiency rapidly reduces, and is easy punch through damage.Maximum input voltage is no more than 35V；
Exporting electric current cannot be too big, and 1.5A is its limiting value, and input and output pressure difference can not be too small, poor lower than the input and output voltage of 2V
It will lead to its pressure stabilizing efficiency dramatic decrease.Make power receiver module stability output symbol by LM7805 three-terminal voltage-stabilizing integrated chip
The 5V voltage for closing mobile phone charging, increases practicability of the invention.
The present invention also provides a kind of suspension chargers, including a kind of suspension wireless power transmission as claimed in claim 9
Device.In above technical scheme, there is low cost, low function using suspension charger made from suspension wireless power transmission device
The advantages of consumption, low noise, constant charge, and solve that traditional wire charger charging cable is easy to wear, there are security risks, long-term
It can also leave the deficiencies of dust accumulation, interface can wear, get rusty, deforms place using rear charge port.
Power transmission module in suspension wireless power transmission device and suspension charger of the invention stablize defeated
Enter 12V voltage, and measure and obtain the output voltage of power transmission module, acquire the output voltage of power transmission module and with theory
Stablize input 12V voltage-contrast, show that suspension wireless power transmission device and suspension charger of the invention have excellent reality
With property, the experimental data are shown in the following table:
Suspension wireless power transmission device and suspension charger of the invention are connected or disconnected with mobile phone, and acquire its with
The output voltage of power transmission module when mobile phone connects or disconnects, and power transmission module when being connected or disconnected to it with mobile phone
Output voltage is compared, to show that suspension wireless power transmission device and suspension charger of the invention have excellent reality
With property, the experimental data are shown in the following table:
The invention has the advantages that:
1, suspension wireless power transmission device of the invention solve traditional wire power transmission device line it is easy to aging abrasion,
There are the shortcomings of security risk etc., and improve the stability of power transmission, safety, practicability, reduce electric power biography
Noise and suspension wireless power transmission device of the invention during defeated have good scalability.
2, suspension charger of the invention solve conventional charger line it is easy to aging abrasion, there are the deficiencies of security risk etc.
Place, and improve safety, stability and the practicability of suspension charger.
Detailed description of the invention
Fig. 1 is the system schematic of suspension system of the present invention；
Fig. 2 is the circuit diagram of detection circuit of the present invention；
Fig. 3 is the circuit diagram of displacement equations comparison circuit of the present invention；
Fig. 4 is the circuit diagram of adjustment circuit of the present invention；
Fig. 5 is the circuit diagram that displacement equations comparison circuit of the present invention is connect with adjustment circuit；
Fig. 6 is the circuit diagram of conversion circuit of the present invention；
Fig. 7 is the circuit diagram of radio transmitter of the invention.
In figure: 1, float magnet, 2, pedestal magnet, 3, coil, 4, displacement equations comparison circuit, 5, detection circuit, 6, drive
Dynamic device.
Specific embodiment
Below in conjunction with drawings and embodiments, the present invention is further illustrated.
Embodiment one:
As shown in figs. 1-7, a kind of suspension wireless power transmission device, including suspension system, the nothing being connect with suspension system
Line electrical power transmission system, suspension system includes pedestal magnet 2, suspending is located at the float magnet 1 of 2 top of pedestal magnet, is located at bottom
The detection system in 2 outside of seat magnet.
In the present embodiment, detection system includes being located at 2 outside of pedestal magnet and the detection circuit for detecting float magnet 1
5。
In the present embodiment, detection system further includes connecting with detection circuit 5 and for generating magnetic field to adjust float magnet 1
It is the adjustment circuit of position, electric compared with adjustment circuit connects and is used to acquire the displacement equations of 1 offset deviation signal of float magnet
Road 4.
In the present embodiment, detection circuit 5 includes that the first Hall linear transducer U1 and the first Hall linear transducer U1 connects
The voltage comparator U6 connect, the metal-oxide-semiconductor Q1 connecting with voltage comparator U6, metal-oxide-semiconductor Q1 also connect with adjustment circuit and are used to control
The switch of the input voltage of adjustment circuit processed.
In the present embodiment, displacement equations comparison circuit 4 is linearly passed including the second Hall linear transducer U2, with the second Hall
The reversed proportional amplifier U3 of sensor U2 connection, the second Hall linear transducer U2 believe the displacement of collected float magnet 1
Number it is sent to the reverse input end of reversed proportional amplifier U3, the positive input and divider resistance R1 of reversed proportional amplifier U3
Connection, the output end of reversed proportional amplifier U3 are connect with adjustment circuit.
In the present embodiment, adjustment circuit includes for generating magnetic field and adjusting coil 3 and coil 3 that float magnet 1 is displaced
It connects and is used for driving coil 3 and change the driver 6 in magnetic field, connect with driver 6 and for generating and transmitting positive and negative rotation logic
Conversion circuit of the signal to driver 6.
In the present embodiment, conversion circuit includes the first dual operational amplifier U4, the second dual operational amplifier U5, first pair of fortune
It calculates amplifier U4 to connect with the positive input of the second dual operational amplifier U5, the reverse input end of the first dual operational amplifier U4
Connect with the output end of reversed proportional amplifier U3, the reverse input end of the second dual operational amplifier U5 respectively with divider resistance
One end connection of R2, divider resistance R3, output end of the other end of the R2 of divider resistance also with the first dual operational amplifier U4
Connection, the other end of the R3 of divider resistance are also connect with the output end of the second dual operational amplifier U5, the first dual operational amplifier
U4, the second dual operational amplifier U5 output end connect respectively with driver 6.
The electric power that in the present embodiment, Wireless power transmission system includes power transmission module, is connect with power transmission module
Receiving module.
In the present embodiment, power transmission module includes radio transmitter；Power receiver module include power receiving coil, with by
The three terminal regulator of electric coil connection.
Embodiment two:
As shown in figs. 1-7, the difference between this embodiment and the first embodiment lies in, a kind of suspension charger of the present embodiment includes
Suspension wireless power transmission device in embodiment one.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
"vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Identical creation is accordingly to be regarded as not changing to hold simply replace in creation of the invention.It is each in specification
Embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, each
Same and similar part may refer to each other between embodiment.The foregoing description of the disclosed embodiments makes this field profession skill
Art personnel can be realized or using the present invention.Various modifications to these embodiments for those skilled in the art will
Be it will be apparent that the general principles defined herein can without departing from the spirit or scope of the present invention,
It is realized in other embodiments.Therefore, the present invention will not be limited to the embodiments shown herein, and is to fit to and this
Principle disclosed in text and the consistent widest scope of features of novelty.
Claims (10)
1. a kind of suspension wireless power transmission device, it is characterised in that: suspension system, the wireless power connecting with suspension system pass
Defeated system, suspension system include pedestal magnet (2), the float magnet (1) being located above pedestal magnet (2) that suspends, are located at pedestal
Detection system on the outside of magnet (2), detection system for detect float magnet (1) and to the position deviation of float magnet (1) into
Row adjustment.
2. a kind of suspension wireless power transmission device according to claim 1, it is characterised in that: detection system includes being located at
Detection circuit (5) on the outside of pedestal magnet (2) and for detecting float magnet (1).
3. a kind of suspension wireless power transmission device according to claim 2, it is characterised in that: detection system further include with
Detection circuit (5) connects and for generating magnetic field to adjust the adjustment circuit of float magnet (1) position, connect simultaneously with adjustment circuit
For acquiring the displacement equations comparison circuit (4) of float magnet (1) offset deviation signal.
4. a kind of suspension wireless power transmission device according to claim 2 or 3, it is characterised in that: detection circuit (5) packet
The voltage comparator (U6) and voltage for including the first Hall linear transducer (U1), being connect with the first Hall linear transducer (U1)
The metal-oxide-semiconductor (Q1) of comparator (U6) connection, metal-oxide-semiconductor (Q1) also connect with adjustment circuit and are used to control the input electricity of adjustment circuit
The switch of pressure.
5. a kind of suspension wireless power transmission device according to claim 4, it is characterised in that: displacement equations comparison circuit
(4) the reversed proportional amplifier for including the second Hall linear transducer (U2), being connect with the second Hall linear transducer (U2)
(U3), the displacement signal of collected float magnet (1) is sent to reversed ratio enlargement by the second Hall linear transducer (U2)
The positive input of the reverse input end of device (U3), reversed proportional amplifier (U3) is connect with divider resistance (R1), reversed ratio
The output end of amplifier (U3) is connect with adjustment circuit.
6. a kind of suspension wireless power transmission device according to claim 3 or 5, it is characterised in that: adjustment circuit includes
Change for generating magnetic field and adjusting the coil (3) of float magnet (1) displacement, connect with coil (3) and be used for driving coil (3)
The driver (6) in magnetic field connect with driver (6) and turns for generating and transmitting positive and negative rotation logical signal to driver (6)
Change circuit.
7. a kind of suspension wireless power transmission device according to claim 6, it is characterised in that: conversion circuit includes first
Dual operational amplifier (U4), the second dual operational amplifier (U5), the first dual operational amplifier (U4) and the second dual operational amplifier
(U5) positive input connection, the reverse input end of the first dual operational amplifier (U4) are defeated with reversed proportional amplifier (U3)
Outlet connection, the reverse input end of the second dual operational amplifier (U5) respectively with divider resistance (R2), divider resistance (R3) one
End connection, the other end of divider resistance (R2) are also connect with the output end of the first dual operational amplifier (U4), divider resistance (R3)
The other end also connect with the output end of the second dual operational amplifier (U5), the first dual operational amplifier (U4), second pair of operation
The output end of amplifier (U5) is connect with driver (6) respectively.
8. a kind of suspension wireless power transmission device described according to claim 1 or 2 or 3 or 5 or 7, it is characterised in that: wireless
Electrical power transmission system includes power transmission module, the power receiver module connecting with power transmission module.
9. a kind of suspension wireless power transmission device according to claim 8, it is characterised in that: power transmission module includes
Radio transmitter；The three terminal regulator that power receiver module includes power receiving coil, is connect with power receiving coil.
10. a kind of suspension charger, it is characterised in that: including a kind of suspension wireless power transmission device as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910558572.4A CN110138098A (en) | 2019-06-26 | 2019-06-26 | A kind of suspension wireless power transmission device and suspension charger |
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| CN201910558572.4A CN110138098A (en) | 2019-06-26 | 2019-06-26 | A kind of suspension wireless power transmission device and suspension charger |
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| CN110138098A true CN110138098A (en) | 2019-08-16 |
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| CN201910558572.4A Pending CN110138098A (en) | 2019-06-26 | 2019-06-26 | A kind of suspension wireless power transmission device and suspension charger |
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Cited By (1)
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| CN111422080A (en) * | 2020-04-16 | 2020-07-17 | 上海蔚来汽车有限公司 | Wireless charging system and wireless charging method for vehicle |
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