CN207664720U - Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system - Google Patents
Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system Download PDFInfo
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- CN207664720U CN207664720U CN201820038005.7U CN201820038005U CN207664720U CN 207664720 U CN207664720 U CN 207664720U CN 201820038005 U CN201820038005 U CN 201820038005U CN 207664720 U CN207664720 U CN 207664720U
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Abstract
The utility model provides a kind of receiving device of wireless power supply system, wireless power supply system and wireless lighting systems；Wherein, which includes signal receiving unit, constant pressure unit, rectification unit, power supply unit and detection unit；Wireless magnetic signal is converted to electric signal by signal receiving unit for receiving wireless magnetic signal；Rectification unit is used to carry out rectification to electric signal；Power supply unit is for being powered electrical equipment；Constant pressure unit is used to carry out multistage constant pressure processing to electric signal, powers for detection unit；Detection unit is used to detect the supply current and supply voltage of power supply unit output.The magnetic signal that the electric energy of wire transmission can be converted to wireless transmission by the utility model is power supply for electrical equipment, improves convenience and the safety of power supply mode.
Description
Technical field
The utility model is related to power supply system technical field, more particularly, to a kind of receiving device of wireless power supply system,
Wireless power supply system and wireless lighting systems.
Background technology
Existing power supply system needs to be laid with complicated circuit, in particular indoor power supply system, lamp lighting etc. mostly
Electrical equipment is more, in order to keep beautiful, needs that line channel is arranged in portion in the room, great in constructing amount, and power supply system line
Road is complicated, and installation is time-consuming and laborious.
For above-mentioned power supply system complex circuit, time-consuming and laborious problem is installed, not yet proposes effective solution scheme.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of receiving device of wireless power supply system, wireless powers
System and wireless lighting systems are carried using the magnetic signal that the electric energy of wire transmission is converted to wireless transmission as power supply for electrical equipment
The convenience of high power supply mode and safety.
In a first aspect, the utility model embodiment provides a kind of receiving device of wireless power supply system, receiving device packet
Include signal receiving unit, constant pressure unit, rectification unit, power supply unit and detection unit；Signal receiving unit, rectification unit and confession
Electric unit is sequentially connected；Constant pressure unit is connect with signal receiving unit and detection unit respectively；Detection unit also with power supply unit
Connection；Wireless magnetic signal is converted to electric signal by signal receiving unit for receiving wireless magnetic signal；Rectification unit is used for electricity
Signal carries out rectification；Power supply unit is for being powered electrical equipment；Constant pressure unit is used to carry out multistage constant pressure to electric signal
Processing is powered for detection unit；Detection unit is used to detect the supply current and supply voltage of power supply unit output.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, above-mentioned signal receiving unit includes receiving coil and resonant capacitance；Receiving coil and resonant capacitance series connection.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, above-mentioned constant pressure unit is provided with the linear constant pressure output end of three-level.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, above-mentioned rectification unit includes multigroup rectifier diode.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, it is provided with operational amplifier in above-mentioned power supply unit；Operational amplifier is single with the supply port of electrical equipment and detection respectively
Member connection；Operational amplifier generates the current detection signal of supply current for operation, and current detection signal is sent to detection
Unit.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, it is additionally provided with divider resistance in above-mentioned power supply unit；Divider resistance respectively with the supply port of electrical equipment and detection unit
Connection；Supply voltage after divider resistance divides is input to detection unit.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, above-mentioned detection unit includes MCU chip and radiator fan；When MCU chip detects supply current or supply voltage higher than the
When one given threshold, start radiator fan.
The 6th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, wherein above-mentioned detection unit further includes radio communication circuit；MCU chip is additionally operable to by wireless
Telecommunication circuit is to transmitting equipment transmission power Regulate signal, so that transmitting equipment adjusts transmission power.
Second aspect, the utility model embodiment provide a kind of wireless power supply system, and wireless power supply system includes above-mentioned
Receiving device further includes transmitting equipment.
The third aspect, the utility model embodiment provide a kind of wireless lighting systems, and wireless lighting systems include above-mentioned
Wireless power supply system further includes light source；The receiving device of light source and wireless power supply system connects.
The utility model embodiment brings following advantageous effect：
Receiving device, wireless power supply system and the wireless photograph for a kind of wireless power supply system that the utility model embodiment provides
Bright system, wireless magnetic signal is received by signal receiving unit, and wireless magnetic signal is converted to electric signal；Pass through rectification unit pair
Electric signal carries out rectification；Electrical equipment is powered by power supply unit；Multistage constant is carried out to electric signal by constant pressure unit
Pressure processing, powers for detection unit；The supply current and supply voltage of power supply unit output are detected by detection unit.Which
The magnetic signal that the electric energy of wire transmission can be converted to wireless transmission is power supply for electrical equipment, avoids a large amount of laying supply lines
Quantities is big caused by road, install time-consuming and laborious and later stage Electrical Safety the problem of, improve power supply mode convenience and
Safety.
Other feature and advantage of the utility model will illustrate in the following description, alternatively, Partial Feature and advantage
Can deduce from specification or unambiguously determine, or by implement the utility model above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, better embodiment cited below particularly,
And coordinate appended attached drawing, it is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the receiving device for wireless power supply system that the utility model embodiment provides；
Fig. 2 is a kind of circuit diagram for wireless power supply system that the utility model embodiment provides；
Fig. 3 is a kind of structural schematic diagram for wireless power supply system that the utility model embodiment provides；
Fig. 4 is a kind of structural schematic diagram for wireless lighting systems that the utility model embodiment provides；
Fig. 5 is a kind of structural schematic diagram of the transmitting equipment for wireless power supply system that the utility model embodiment provides；
Fig. 6 is the structural schematic diagram of the transmitting equipment for another wireless power supply system that the utility model embodiment provides；
Fig. 7 is the circuit diagram of control unit in the transmitting equipment that the utility model embodiment provides；
Fig. 8 is a kind of circuit diagram of transmitter unit in the transmitting equipment that the utility model embodiment provides；
Fig. 9 is the circuit diagram of another transmitter unit in the transmitting equipment that the utility model embodiment provides；
Figure 10 is the drive waveforms of IGBT and the electric current of transmitting coil in the transmitting equipment that the utility model embodiment provides
Waveform diagram；
Figure 11 is the circuit diagram of power supply unit in the transmitting equipment that the utility model embodiment provides.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
In view of existing power supply system complex circuit, time-consuming and laborious problem is installed, the utility model embodiment provides
A kind of receiving device of wireless power supply system, wireless power supply system and wireless lighting systems；The technology can be applied to interior
Or in outdoor lighting system, charging system or other synthesis electricity systems；Relevant software or hardware may be used in the technology
It realizes, is described below by embodiment.
A kind of structural schematic diagram of the receiving device of wireless power supply system shown in Figure 1；The receiving device includes letter
Number receiving unit 10, constant pressure unit 11, rectification unit 12, power supply unit 13 and detection unit 14；
Signal receiving unit 10, rectification unit 12 and power supply unit 13 are sequentially connected；Constant pressure unit 11 connects with signal respectively
It receives unit 10 and detection unit 14 connects；Detection unit 14 is also connect with power supply unit 13；
Wireless magnetic signal is converted to electric signal by above-mentioned signal receiving unit 10 for receiving wireless magnetic signal；Rectification list
Member 12 to electric signal for carrying out rectification；Power supply unit 13 is for being powered electrical equipment；Constant pressure unit 11 is used for electricity
Signal carries out multistage constant pressure processing, powers for detection unit；Detection unit 14 is used to detect the supply current of power supply unit output
And supply voltage.
Above-mentioned signal receiving unit and detection unit can pass through microcontroller, DSP (Digital Signal
Processing, Digital Signal Processing) etc. chips and its peripheral circuit realize；Rectification unit can by half-wave rectifying circuit,
The realizations such as full-wave rectifying circuit or bridge rectifier；Above-mentioned power supply unit is usually connect with electrical equipment, or setting is useful
In the interface of connection electrical equipment.Above-mentioned constant pressure unit can be the linear constant voltage circuit of three-level, and it is defeated to be provided with the linear constant pressure of three-level
Outlet, for powering for circuit other parts.
A kind of receiving device for wireless power supply system that the utility model embodiment provides, is received by signal receiving unit
Wireless magnetic signal is converted to electric signal by wireless magnetic signal；Rectification is carried out to electric signal by rectification unit；Pass through power supply unit
Electrical equipment is powered；Multistage constant pressure processing is carried out to electric signal by constant pressure unit, is powered for detection unit；Pass through inspection
Survey the supply current and supply voltage of unit detection power supply unit output.The electric energy of wire transmission can be converted to nothing by which
The magnetic signal of line transmission is power supply for electrical equipment, avoid it is a large amount of be laid with supply lines caused by quantities it is big, when installation fee, is taken
The problem of power and later stage Electrical Safety, improves convenience and the safety of power supply mode.
The utility model embodiment additionally provides the receiving device of another wireless power supply system；Shown in Figure 2 one
The circuit diagram of kind wireless power supply system；It is realized on the basis of receiving device receiving device shown in Fig. 1；The receiving device includes
Signal receiving unit 10, constant pressure unit 11, rectification unit 12, power supply unit 13 and detection unit 14；In the present embodiment, with electricity consumption
Equipment be rechargeable lithium battery for be described.
Above-mentioned signal receiving unit includes receiving coil and resonant capacitance；The receiving coil and resonant capacitance series connection；Such as Fig. 2
In, receiving coil L2, resonant capacitance C4, the two form series resonant circuit.
Above-mentioned rectification unit includes multigroup rectifier diode；As shown in Fig. 2, rectification unit includes four groups of rectifier diodes altogether
(D3 to D6), every group includes two rectifier diodes in parallel in the same direction；Schottky diode reality may be used in the rectifier diode
It is existing, for example, MBR20200CT types；Schottky diode is anode with noble metal (gold, silver, aluminium, platinum etc.) A, with N-type semiconductor B
For cathode, there is rectification characteristic and manufactured metal-semiconductor device using the potential barrier formed on the two contact surface, be usually used in
High-frequency rectification under low pressure, High-current output occasion.
Electric signal is input to power supply unit and is powered for electrical equipment after D3 to D6 full-bridge rectifications；The power supply list
Operational amplifier is provided in member；Operational amplifier is connect with the supply port of electrical equipment and detection unit respectively；Operation is put
Big device generates the current detection signal of supply current for operation, and current detection signal is sent to detection unit.The power supply list
Divider resistance is additionally provided in member；The divider resistance is connect with the supply port of electrical equipment and detection unit respectively；Through partial pressure
Supply voltage after electric resistance partial pressure is input to detection unit.
In Fig. 2, the pin 3 of the chip in the output end and detection unit of operational amplifier LM358 connects, for exporting electricity
Stream detection signal；One end of electrical equipment lithium battery, which is connected with, is in series with divider resistance R22 and R23, between R22 and R23, warp
R19 exports the pin 4 of the chip in supply voltage to detection unit.
Above-mentioned detection unit includes MCU chip and radiator fan；When MCU chip detects that supply current or supply voltage are high
When the first given threshold, start radiator fan.The detection unit further includes radio communication circuit；MCU chip is additionally operable to pass through
Radio communication circuit is to transmitting equipment transmission power Regulate signal, so that transmitting equipment adjusts transmission power.Wireless communication electricity
Road can be WIFI (Wireless Fidelity, Wireless Fidelity) module, GSM (Global System for Mobile
Communication, global system for mobile communications) module, Zigbee module etc..
Above-mentioned signal receiving unit, rectification unit, power supply unit and detection unit can be realized by wireless receiving module,
The inside modules, which are integrated with oscillator, PWM modulation, drive amplification, can directly drive MOS power tubes, be used for wireless receiver
Voltage pressure limiting, it is excessively high and damage correlated parts to avoid output voltage.
When lithium battery reaches full piezoelectric voltage (54V), by R22, the 4 foot (benchmark of U5 are sent to after R23 electric resistance partial pressures
2.5V), after 4 feet reach 2.5V, it is transferred to transmitting equipment through internal wireless communication or radio communication circuit, transmitting equipment is then turned down
Duty ratio, lowers charging current, and voltage declines therewith；When voltage is decreased below 54V, the duty ratio for emitting equipment is adjusted again
Greatly, it is continuously modulated with this；According to the characteristic of rechargeable battery, charging current can be reduced gradually, until cell voltage is complete
It is full of entirely；When charging current is less than setting value (such as 500MA), transmitting equipment is stopped into standby mode, charging complete.
When there is line fault, such as lithium battery is disconnected in charging process, and output voltage will necessarily increase, resistance
R21, R9 are partial pressure sample resistance；When reaching the reference voltage of 2.5V (Uo=2.5* { 1+ (R1/R2) }), the output duty of U6
Q2Q3 is driven to be connected than adjustable square wave, with to voltage chopping, output voltage declines；When the 6 foot voltages of U6 are less than 2.5V,
1 foot exports low level, Q2Q3 cut-offs, and output voltage increases, and successively in cycles, can make output voltage that can be limited in safety threshold
In value, protection correlated parts will not too high voltages damage.
Corresponding to above-mentioned receiving device, a kind of structural schematic diagram of wireless power supply system shown in Figure 3；This is wirelessly supplied
Electric system includes receiving device, further includes transmitting equipment 30；In general, transmitting equipment can connect more receiving devices, in Fig. 3 with
It is illustrated for three receiving devices, respectively receiving device 31a, receiving device 31b and receiving device 31c.
A kind of structural schematic diagram of wireless lighting systems shown in Figure 4；The wireless lighting systems include wireless power
System 40 further includes light source；The receiving device of the light source and wireless power supply system connects.In actual implementation, a reception is set
It is standby to connect a light source, multiple light sources can also be connected；It is carried out so that a receiving device connects two light sources as an example in Fig. 4
Illustrate, respectively light source 41a, light source 41b, light source 41c, light source 41d, light source 41e, light source 41f.
The wireless power supply system that the utility model embodiment provides, the wireless lighting systems provided with above-described embodiment have
Identical technical characteristic reaches identical technique effect so can also solve identical technical problem.
A kind of structural schematic diagram of the transmitting equipment of wireless power supply system shown in Figure 5；The transmitting equipment includes electricity
Source unit 50, control unit 51 and transmitter unit 52；The transmitter unit 52 include middle control circuit 521, synclator 522,
IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) driving circuit 523, IGBT work(
Rate pipe 524 and resonant ring 525；
Above-mentioned power supply unit 50 is connect with control unit 50 and transmitter unit 52 respectively；Friendship of the power supply unit 50 also with outside
Galvanic electricity source connects；Middle control circuit 521 is connect with control unit 51；Synclator 522 and IGBT drive circuit 523 are respectively in
Circuit 521 is controlled to connect；IGBT drive circuit 523, IGBT power tubes 524 and resonant ring 525 are sequentially connected；
Above-mentioned power supply unit 50 is used to external alternating current being converted into direct current, in order to control unit 50 and transmitter unit 52
Power supply；Control unit 50 is used to send enable signal and PWM (Pulse Width Modulation, pulse to middle control circuit 521
Width modulated) pressure regulation signal；When enable signal is high level, middle control circuit 521 controls 522 starting of oscillation of synclator, passes through
IGBT drive circuit 523 drives 524 power output of IGBT power tubes, and 525 starting of oscillation of resonant ring is wireless to convert electrical signals to
Magnetic signal exports.
In the transmitting equipment, the middle control circuit in control unit and transmitter unit can pass through microcontroller, DSP
Chips such as (Digital Signal Processing, Digital Signal Processing) and its peripheral circuit are realized；Above-mentioned IGBT drivings electricity
Road with the mating drive module of IGBT power tubes by realizing；In general, IGBT drive circuit can include multiple driving units, often
A driving unit is for driving corresponding IGBT power tubes.Above-mentioned resonant ring passes through the series resonance that is made of inductance and capacitance
Ring, with intrinsic frequency starting of oscillation.
Above-mentioned IGBT drive circuit can be such that IGBT power tubes work normally, and be protected to it；Based on this, it is being arranged
When IGBT drive circuit, it need to consider whether many kinds of parameters matches, for example, IGBT drive circuit needs the gate pole needed for offer average
The maximum average output current of electric current IoutAV and gate-drive power P G, driving circuit must be more than calculated value；Driving circuit
Output peak point current IoutPEAK must be more than or equal to the peak inrush current being calculated；The maximum output gate pole electricity of driving circuit
Capacity must be capable of providing required gate charge with the gate pole charge and discharge to IGBT；It is in the selection of IGBT drivers it is also contemplated that exhausted
Edge voltage Visol IO and dv/dt abilities etc..
A kind of transmitting equipment for wireless power supply system that the utility model embodiment provides, will be external by power supply unit
Alternating current is converted into direct current, in order to control unit and transmitter unit power supply；By control unit enabled letter is sent to middle control circuit
Number and PWM pressure regulation signals；When enable signal is high level, middle control circuit control synclator starting of oscillation is driven by IGBT
Circuit drives IGBT power tube power outputs, resonant ring starting of oscillation, to convert electrical signals to wireless magnetic signal output.Which
The magnetic signal that the electric energy of wire transmission can be converted to wireless transmission is power supply for electrical equipment, avoids a large amount of laying supply lines
Quantities is big caused by road, install time-consuming and laborious and later stage Electrical Safety the problem of, improve power supply mode convenience and
Safety.
The structural schematic diagram of the transmitting equipment of another wireless power supply system shown in Figure 6；The transmitting equipment is in Fig. 5
Shown in transmitting Equipment Foundations on realize；The transmitting equipment includes power supply unit 50, control unit 51 and transmitter unit 52；The hair
It includes middle control circuit 521, synclator 522, IGBT drive circuit 523, IGBT power tubes 524 and resonant ring to penetrate unit 52
525；
Further, above-mentioned control unit include MCU (Microcontroller Unit, micro-control unit) chip 511,
Regulator circuit 512 and PWM pressure regulation output circuit 513；Regulator circuit 512 and PWM pressure regulation output circuit 513 respectively with MCU chip
511 connections；PWM pressure regulation output circuit 513 is for exporting PWM pressure regulation signals；MCU chip 511 is for exporting enable signal.
Further, which further includes loud speaker 514 and servo motor 515；The loud speaker 514 and servo motor
515 connect with MCU chip respectively.The servo motor can be used for driving radiator fan, for radiating for transmitting equipment.
In transmitting equipment shown in Figure 7, the circuit diagram of control unit；As shown in Figure 7, regulator circuit is connected to MCU
The voltage input pin of chip, i.e. pin 1；PWM pressure regulation output is electrically connected to pin 23；Pin 6 exports for Enable Pin, with hair
The middle control module connection for penetrating unit, exports enable signal；In addition, the part pin of MCU chip and other control units and transmitting
Unit connects, for receiving detection signal, for example, pin 11 and pin 12 are used to receive the saturation letter of two IGBT power tubes
Number；The input voltage measurement signal of control module and input circuit detection signal during pin 13 and pin 17 are used to receive；Pin 14
With pin 15 for connecting LED light；Pin 26 is that AV detects pin.
The control unit can also include wireless communication module 516, for example, WIFI (Wireless Fidelity, wirelessly
Fidelity) module, GSM (Global System for Mobile Communication, global system for mobile communications) module,
Zigbee module etc. sends control signal, feedback signal etc. for the receiving device into power supply system.
In transmitting equipment shown in Figure 8, in a kind of circuit diagram and transmitting equipment shown in Fig. 9 of transmitter unit, separately
A kind of circuit diagram of transmitter unit.Resonant ring is the series resonance ring of L1, C9 and C10 composition；It is socketed with magnet ring on the resonant ring
Inductance L2；The ring inductance is also connect with middle control circuit；The ring inductance is used to acquire the resonance signal on resonant ring, by resonance
Signal is sent to middle control circuit.In Fig. 8 and Fig. 9, ring inductance can be with feedback synchronization signal to the synclator of middle control circuit
Input terminal pin 12, when synclator frequency of oscillation, which reaches resonant ring resonant frequency, to be synchronized, current over-zero cut-off.
Above-mentioned transmitter unit further includes transmission power adjustment circuit；The transmission power adjustment circuit is connect with middle control circuit；
The transmission power adjustment circuit is used to adjust the transmission power of magnetic signal.The quantity of above-mentioned IGBT power tubes is two；Two
IGBT power tubes are in parallel；Two IGBT power tubes after parallel connection are connected with resonant ring.
In Fig. 9, the pin 7 of middle control circuit is enabled foot, is connect with the Enable Pin pin 6 of control unit, receives control
The enable signal that unit is sent；When enable signal is as high level (5V), synclator will produce starting of oscillation, and (R1 is oscillation electricity
Resistance, R1 is bigger, and frequency is lower), upper and lower two IGBT power tube Q1Q2 normal output signals (use and match by IGBT drive module
Cover CP1031 drive modules) after amplification, drive Q1 and Q2IGBT power tubes；L1 and C9, C10 form series resonance ring with intrinsic
FrequencyStarting of oscillation.The voltage (0-5V) of VR1 regulating powers controlling switch 9, voltage gets over high transmitting power
It is bigger, to limit maximum transmission power；When transmitting reaches maximum power, duty ratio modulation is carried out, the voltage of pin 8 can quilt
Duty cycle modulator inside middle control circuit reduces, and the drive signal duty cycle of output becomes smaller, to limit maximum transmission power；
Which can limit the maximum output current on receiving device, have limitation supply current.
The transmitter unit of above-mentioned transmitting equipment is referred to as the half-bridge control ZCS (Zero of wireless power transmitting
Current Switch, Zero Current Switch) module, it has been internally integrated synclator, PWM automatic adjusuments, transmitting coil peak
The advantages that value current detecting, transmitting coil peak point current current limliting, integrated level is high, peripheral component is few, efficient, debugging is simple.
In general, the transmitting equipment is debugged, the circuit with reference to shown in figure 9, debugging step is such as before input adapts to
Under：
Step (1) is transferred to VR2 potentiometers minimum (crura intermedium voltage is minimum), the 23rd foot of U4 short circuit over the ground, the 6th foot
Connection+5V, oscillograph isolation probe are connected to the poles G of IGBT.
VR2 potentiometers are slowly tuned up (crura intermedium voltage), seen simultaneously by step (2), device power under no-load condition
Examine input power；If input power in 20W hereinafter, continue slowly tune up VR2, stop when input power reaches 20W or so
Potentiometer is adjusted, the frequency of the drive waveforms of IGBT can be observed with oscillograph at this time and writes down present resonant frequency, the drive of IGBT
The current waveform of dynamic waveform and transmitting coil is as shown in Figure 10.
Step (3), is adjusted to the frequency of oscillation of receiving coil and resonant capacitance identical as the working frequency of transmitter, connects
Upper load calculates transfer efficiency, adjusts resonant capacitance；When transfer efficiency highest, the humorous of resonant frequency and tranmitting frequency is received
It is good to shake.
Step (4), then VR2 is adjusted, allow output current and power to reach required value, so far power section debugging is completed；
Step (5) disconnects 23 feet of U4 and 6 foot shorting stubs and restores, powers on；After the power is turned on, transmitter is being waited for by MCU controls
Machine state (stand-by power consumption 5W or so), then receiving coil is put, it is communicated between transmitter and receiver successfully, transmitter power
Gradually change from small to big, until reaching maximum power, after battery, which fills, satisfies, receiver detects that filling full signal is notified that transmitter stops
It only works, into standby mode.
In debugging process, R45, the position of R46 adjustable current zero crossings, the big IGBT drive waveforms of resistance value can shift to an earlier date,
The small IGBT drivings wave delay of resistance value, as shown in waveform in Fig. 6, drive waveforms are ended in current zero-crossing point.It must be VR2 before debugging
Potentiometer is transferred to minimum (crura intermedium voltage is minimum), then again from small past big fine tuning；When putting receiver debugging, it is necessary to connecing
The resonant capacitance of receipts machine is adjusted to efficiency highest, can just tune up transmission power.
In transmitting equipment shown in Figure 11, the circuit diagram of power supply unit；The power supply unit includes the defeated of Switching Power Supply
Enter circuit；The input circuit of Switching Power Supply includes sequentially connected input EMC (Electro Magnetic
Compatibility, Electro Magnetic Compatibility) filter circuit, rectification circuit and output filter circuit；Input EMC filter circuit with it is outer
The exchange in portion is electrically connected；The input EMC filter circuit is used to filter out the EMI (Electromagnetic in alternating current
Interference, electromagnetic interference) interference；Rectification circuit is used to filtered alternating current being converted into Rectified alternating current；Output
Filter circuit is for being filtered Rectified alternating current, output smoothing direct current.The power supply unit further includes switching power circuit；
The switching power circuit is electrically connected with external exchange；Switching power circuit is passed through for converting alternating current to multistage direct current
Multiple-channel output is to control unit and transmitter unit.
Receiving device, wireless power supply system and the wireless lighting for the wireless power supply system that the utility model embodiment is provided
The computer program product of system, including the computer readable storage medium of program code is stored, said program code includes
Instruction can be used for execute previous methods embodiment described in method, specific implementation can be found in embodiment of the method, herein no longer
It repeats.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of receiving device of wireless power supply system, which is characterized in that the receiving device includes signal receiving unit, constant pressure
Unit, rectification unit, power supply unit and detection unit；
The signal receiving unit, the rectification unit and said supply unit are sequentially connected；The constant pressure unit respectively with institute
Signal receiving unit is stated to connect with the detection unit；The detection unit is also connect with said supply unit；
The wireless magnetic signal is converted to electric signal by the signal receiving unit for receiving wireless magnetic signal；The rectification
Unit is used to carry out rectification to the electric signal；Said supply unit is for being powered electrical equipment；The constant pressure unit
For carrying out multistage constant pressure processing to the electric signal, power for the detection unit；The detection unit is described for detecting
The supply current and supply voltage of power supply unit output.
2. receiving device according to claim 1, which is characterized in that the signal receiving unit includes receiving coil harmony
Shake capacitance；The receiving coil and resonant capacitance series connection.
3. receiving device according to claim 1, which is characterized in that it is defeated that the constant pressure unit is provided with the linear constant pressure of three-level
Outlet.
4. receiving device according to claim 1, which is characterized in that the rectification unit includes multigroup rectifier diode.
5. receiving device according to claim 1, which is characterized in that be provided with operational amplifier in said supply unit；
The operational amplifier is connect with the supply port of the electrical equipment and the detection unit respectively；
The operational amplifier generates the current detection signal of supply current for operation, and the current detection signal is sent to
The detection unit.
6. receiving device according to claim 1, which is characterized in that be additionally provided with divider resistance in said supply unit；
The divider resistance is connect with the supply port of the electrical equipment and the detection unit respectively；
Supply voltage after divider resistance partial pressure is input to the detection unit.
7. receiving device according to claim 1, which is characterized in that the detection unit includes MCU chip and radiation air
Fan；
When the MCU chip detects the supply current or the supply voltage is higher than the first given threshold, described in startup
Radiator fan.
8. receiving device according to claim 7, which is characterized in that the detection unit further includes radio communication circuit；
The MCU chip is additionally operable to through the radio communication circuit to transmitting equipment transmission power Regulate signal, so that described
Emit equipment and adjusts transmission power.
9. a kind of wireless power supply system, which is characterized in that the wireless power supply system includes claim 1-8 any one of them
Receiving device further includes transmitting equipment.
10. a kind of wireless lighting systems, which is characterized in that the wireless lighting systems include the wireless confession described in claim 9
Electric system further includes light source；
The light source is connect with the receiving device of the wireless power supply system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038005.7U CN207664720U (en) | 2018-01-10 | 2018-01-10 | Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system |
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| CN201820038005.7U CN207664720U (en) | 2018-01-10 | 2018-01-10 | Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system |
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| CN207664720U true CN207664720U (en) | 2018-07-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808885A (en) * | 2018-01-10 | 2018-11-13 | 深圳市思坎普科技有限公司 | Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system |
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2018
- 2018-01-10 CN CN201820038005.7U patent/CN207664720U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808885A (en) * | 2018-01-10 | 2018-11-13 | 深圳市思坎普科技有限公司 | Receiving device, wireless power supply system and the wireless lighting systems of wireless power supply system |
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