CN207664721U - Transmitting equipment, wireless power supply system and the wireless lighting systems of wireless power supply system - Google Patents

Abstract

The utility model provides a kind of transmitting equipment, wireless power supply system and the wireless lighting systems of wireless power supply system, wherein external alternating current is converted into direct current by power supply unit, in order to control unit and transmitter unit power supply；Control unit sends enable signal and PWM pressure regulation signals to middle control circuit；When enable signal is high level, middle control circuit control synclator starting of oscillation drives IGBT power tube power outputs, resonant ring starting of oscillation, to convert electrical signals to wireless magnetic signal output by IGBT drive circuit.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

Transmitting equipment, wireless power supply system and the wireless lighting systems of wireless power supply system

Technical field

The utility model is related to power supply system technical field, more particularly, to a kind of wireless power supply system transmitting equipment, 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 transmitting equipment of wireless power supply system, wireless powers System and wireless lighting systems；Using the magnetic signal that the electric energy of wire transmission is converted to wireless transmission as power supply for electrical equipment, carry The convenience of high power supply mode and safety.

In a first aspect, the utility model embodiment provides a kind of transmitting equipment of wireless power supply system, emit equipment packet Include power supply unit, control unit and transmitter unit；Transmitter unit include middle control circuit, synclator, IGBT drive circuit, IGBT power tubes and resonant ring；Power supply unit is connect with control unit and transmitter unit respectively；Friendship of the power supply unit also with outside Galvanic electricity source connects；Middle control circuit is connect with control unit；Synclator and IGBT drive circuit are connect with middle control circuit respectively； IGBT drive circuit, IGBT power tubes and resonant ring are sequentially connected；Power supply unit is used to external alternating current being converted into direct current Electricity, in order to control unit and transmitter unit power supply；Control unit is used to send enable signal and PWM pressure regulation signals to middle control circuit； When enable signal is high level, middle control circuit control synclator starting of oscillation drives IGBT power by IGBT drive circuit Tube power exports, resonant ring starting of oscillation, to convert electrical signals to wireless magnetic signal output.

With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In, above-mentioned control unit includes MCU chip, regulator circuit and PWM pressure regulation output circuits；Regulator circuit and PWM pressure regulation output electricity Road is connect with MCU chip respectively；PWM pressure regulation output circuits are for exporting PWM pressure regulation signals；MCU chip is for exporting enabled letter Number.

The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect Two kinds of possible embodiments, wherein above-mentioned control unit further includes loud speaker and servo motor；Loud speaker and servo motor point It is not connect with MCU chip.

With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect, In, above-mentioned power supply unit includes the input circuit of Switching Power Supply；The input circuit of Switching Power Supply includes sequentially connected input EMC Filter circuit, rectification circuit and output filter circuit；Input EMC filter circuit is electrically connected with external exchange；Input EMC filtering Circuit is used to filter out the EMI interference in alternating current；Rectification circuit is used to filtered alternating current being converted into Rectified alternating current；It is defeated Go out filter circuit to be used to be filtered Rectified alternating current, output smoothing direct current.

The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Four kinds of possible embodiments, wherein above-mentioned power supply unit further includes switching power circuit；Switching power circuit and external friendship Galvanic electricity connects；Switching power circuit is for converting alternating current to multistage direct current, through multiple-channel output to control unit and transmitting Unit.

With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, In, it is socketed with ring inductance on above-mentioned resonant ring；Ring inductance is also connect with middle control circuit；Ring inductance is for acquiring resonant ring On resonance signal, resonance signal is sent to middle control circuit.

With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, In, above-mentioned transmitter unit further includes transmission power adjustment circuit；Transmission power adjustment circuit is connect with middle control circuit；Transmission power Adjust the transmission power that circuit is used to adjust magnetic signal.

With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, In, the quantity of above-mentioned IGBT power tubes is two；Two IGBT power tubes are in parallel；Two IGBT power tubes after parallel connection and resonance Ring is connected.

Second aspect, the utility model embodiment provide a kind of wireless power supply system, which includes upper Transmitting equipment is stated, further includes receiving device.

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：

Transmitting equipment, wireless power supply system and the wireless photograph for a kind of wireless power supply system that the utility model embodiment provides External alternating current is converted into direct current by bright system by power supply unit, in order to control unit and transmitter unit power supply；Pass through control Unit processed sends enable signal and PWM pressure regulation signals to middle control circuit；When enable signal is high level, middle control circuit control is same Oscillator starting of oscillation is walked, IGBT power tube power outputs, resonant ring starting of oscillation, to turn electric signal are driven by IGBT drive circuit It is changed to wireless magnetic signal output.The magnetic signal that the electric energy of wire transmission can be converted to wireless transmission by which is electrical equipment The problem of power supply, quantities caused by avoiding a large amount of laying supply lines is big, installation time-consuming and laborious and later stage Electrical Safety, Improve convenience and the safety of power supply mode.

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 transmitting equipment for wireless power supply system that the utility model embodiment provides；

Fig. 2 is the structural schematic diagram of the transmitting equipment for another wireless power supply system that the utility model embodiment provides；

Fig. 3 is the circuit diagram of control unit in the transmitting equipment that the utility model embodiment provides；

Fig. 4 is a kind of circuit diagram of transmitter unit in the transmitting equipment that the utility model embodiment provides；

Fig. 5 is the circuit diagram of another transmitter unit in the transmitting equipment that the utility model embodiment provides；

Fig. 6 is the drive waveforms of IGBT and the current wave of transmitting coil in the transmitting equipment that the utility model embodiment provides Shape schematic diagram；

Fig. 7 is the circuit diagram of power supply unit in the transmitting equipment that the utility model embodiment provides；

Fig. 8 is a kind of structural schematic diagram for wireless power supply system that the utility model embodiment provides；

Fig. 9 is a kind of structural schematic diagram for wireless lighting systems that the utility model embodiment provides；

Figure 10 is a kind of structural schematic diagram of the receiving device for wireless power supply system that the utility model embodiment provides；

Figure 11 is a kind of circuit diagram for wireless power supply system 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 Transmitting equipment, wireless power supply system and the wireless lighting systems of a kind of wireless power supply system；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 transmitting equipment of wireless power supply system shown in Figure 1；The transmitting equipment includes electricity Source unit 10, control unit 11 and transmitter unit 12；The transmitter unit 12 include middle control circuit 121, synclator 122, IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) driving circuit 123, IGBT work( Rate pipe 124 and resonant ring 125；

Above-mentioned power supply unit 10 is connect with control unit 10 and transmitter unit 12 respectively；Friendship of the power supply unit 10 also with outside Galvanic electricity source connects；Middle control circuit 121 is connect with control unit 11；Synclator 122 and IGBT drive circuit 123 are respectively in Circuit 121 is controlled to connect；IGBT drive circuit 123, IGBT power tubes 124 and resonant ring 125 are sequentially connected；

Above-mentioned power supply unit 10 is used to external alternating current being converted into direct current, in order to control unit 10 and transmitter unit 12 Power supply；Control unit 10 is used to send enable signal and PWM (Pulse Width Modulation, pulse to middle control circuit 121 Width modulated) pressure regulation signal；When enable signal is high level, middle control circuit 121 controls 122 starting of oscillation of synclator, passes through IGBT drive circuit 123 drives 124 power output of IGBT power tubes, and 125 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 2；The transmitting equipment is in Fig. 1 Shown in transmitting Equipment Foundations on realize；The transmitting equipment includes power supply unit 10, control unit 11 and transmitter unit 12；The hair It includes middle control circuit 121, synclator 122, IGBT drive circuit 123, IGBT power tubes 124 and resonant ring to penetrate unit 12 125；

Further, above-mentioned control unit include MCU (Microcontroller Unit, micro-control unit) chip 111, Regulator circuit 112 and PWM pressure regulation output circuit 113；Regulator circuit 112 and PWM pressure regulation output circuit 113 respectively with MCU chip 111 connections；PWM pressure regulation output circuit 113 is for exporting PWM pressure regulation signals；MCU chip 111 is for exporting enable signal.

Further, which further includes loud speaker 114 and servo motor 115；The loud speaker 114 and servo motor 115 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 3, the circuit diagram of control unit；As shown in Figure 3, 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 116, 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 4, in a kind of circuit diagram and transmitting equipment shown in fig. 5 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. 4 and Fig. 5, 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. 5, 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 5, 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 6.

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 7, the circuit diagram of power supply unit；The power supply unit includes the input of Switching Power Supply Circuit；The input circuit of Switching Power Supply include sequentially connected input EMC (Electro Magnetic Compatibility, Electro Magnetic Compatibility) filter circuit, rectification circuit and output filter circuit；Input EMC filter circuit is electrically connected with external exchange； The input EMC filter circuit is used to filter out the EMI (Electromagnetic Interference, electromagnetic interference) in alternating current Interference；Rectification circuit is used to filtered alternating current being converted into Rectified alternating current；Output filter circuit is used for pulsating direct current Electricity is filtered, output smoothing direct current.The power supply unit further includes switching power circuit；The switching power circuit and outside Exchange electrical connection；Switching power circuit is for converting alternating current to multistage direct current, through multiple-channel output to control unit and hair Penetrate unit.

Corresponding to above-mentioned transmitting equipment, a kind of structural schematic diagram of wireless power supply system shown in Figure 8；This is wirelessly supplied Electric system includes transmitting equipment 80, further includes receiving device；In general, transmitting equipment can connect more receiving devices, in Fig. 8 with It is illustrated for three receiving devices, respectively receiving device 81a, receiving device 81b and receiving device 81c.

A kind of structural schematic diagram of wireless lighting systems shown in Figure 9；The wireless lighting systems include wireless power System 90 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. 9 Illustrate, respectively light source 91a, light source 91b, light source 91c, light source 91d, light source 91e, light source 91f.

The wireless power supply system and wireless lighting systems that the utility model embodiment provides, the nothing provided with above-described embodiment The transmitting equipment technical characteristic having the same of line power supply system reaches identical so can also solve identical technical problem Technique effect.

A kind of structural schematic diagram of the receiving device of wireless power supply system shown in Figure 10；The receiving device includes letter Number receiving unit 1010, constant pressure unit 1011, rectification unit 1012, power supply unit 1013 and detection unit 1014；

Signal receiving unit 1010, rectification unit 1012 and power supply unit 1013 are sequentially connected；Constant pressure unit 1011 is distinguished It is connect with signal receiving unit 1010 and detection unit 1014；Detection unit 1014 is also connect with power supply unit 1013；

Wireless magnetic signal is converted to electric signal by above-mentioned signal receiving unit 1010 for receiving wireless magnetic signal；Rectification Unit 1012 is used to carry out rectification to electric signal；Power supply unit 1013 is for being powered electrical equipment；Constant pressure unit 1011 For carrying out multistage constant pressure processing to electric signal, power for detection unit；Detection unit 1014 is for detecting power supply unit output Supply current 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 11 one The circuit diagram of kind wireless power supply system；The receiving device in Fig. 10 shown in realize on the basis of receiving device；The receiving device packet Include signal receiving unit 1010, constant pressure unit 1011, rectification unit 1012, power supply unit 1013 and detection unit 1014；This reality It applies in example, is described so that electrical equipment is rechargeable lithium battery as an example.

Above-mentioned signal receiving unit includes receiving coil and resonant capacitance；The receiving coil and resonant capacitance series connection；Such as figure In 11, receiving coil L2, resonant capacitance C4, the two form series resonant circuit.

Above-mentioned rectification unit includes multigroup rectifier diode；As shown in figure 11, rectification unit includes four groups of two poles of rectification altogether It manages (D3 to D6), every group includes two rectifier diodes in parallel in the same direction；Schottky diode may be used in the rectifier diode It realizes, for example, MBR20200CT types；Schottky diode is anode with noble metal (gold, silver, aluminium, platinum etc.) A, with N-type semiconductor B is cathode, has rectification characteristic and manufactured metal-semiconductor device using the potential barrier formed on the two contact surface, is 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 Figure 11, the pin 3 of the chip in the output end and detection unit of operational amplifier LM358 connects, for exporting Current 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.

Transmitting equipment, 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 transmitting equipment of wireless power supply system, which is characterized in that the transmitting equipment includes power supply unit, control unit And transmitter unit；The transmitter unit includes middle control circuit, synclator, IGBT drive circuit, IGBT power tubes and resonance Ring；

The power supply unit is connect with described control unit and the transmitter unit respectively；Friendship of the power supply unit also with outside Galvanic electricity source connects；The middle control circuit is connect with described control unit；The synclator and the IGBT drive circuit point It is not connect with the middle control circuit；The IGBT drive circuit, the IGBT power tubes and the resonant ring are sequentially connected；

The power supply unit is used to external alternating current being converted into direct current, is that described control unit and the transmitter unit supply Electricity；Described control unit is used to send enable signal and PWM pressure regulation signals to the middle control circuit；When the enable signal is height When level, synclator starting of oscillation described in the middle control circuit control drives the IGBT work(by the IGBT drive circuit Rate tube power exports, the resonant ring starting of oscillation, to convert electrical signals to wireless magnetic signal output.

2. transmitting equipment according to claim 1, which is characterized in that described control unit includes MCU chip, regulator circuit With PWM pressure regulation output circuits；

The regulator circuit and the PWM pressure regulation output circuit are connect with the MCU chip respectively；The PWM pressure regulation output electricity Road is for exporting the PWM pressure regulation signal；The MCU chip is for exporting the enable signal.

3. transmitting equipment according to claim 2, which is characterized in that described control unit further includes loud speaker and servo electricity Machine；

The loud speaker and the servo motor are connect with the MCU chip respectively.

4. transmitting equipment according to claim 1, which is characterized in that the power supply unit includes the input electricity of Switching Power Supply Road；

The input circuit of the Switching Power Supply includes sequentially connected input EMC filter circuit, rectification circuit and output filtered electrical Road；The input EMC filter circuit is electrically connected with external exchange；

The input EMC filter circuit is used to filter out the EMI interference in the alternating current；The rectification circuit will be for after filtering Alternating current be converted into Rectified alternating current；For the output filter circuit for being filtered to the Rectified alternating current, output is flat Sliding direct current.

5. transmitting equipment according to claim 4, which is characterized in that the power supply unit further includes switching power circuit； The switching power circuit is electrically connected with external exchange；

The switching power circuit is used to the alternating current being converted into multistage direct current, through multiple-channel output to described control unit With the transmitter unit.

6. transmitting equipment according to claim 1, which is characterized in that be socketed with ring inductance on the resonant ring；It is described Ring inductance is also connect with the middle control circuit；

The ring inductance is used to acquire the resonance signal on the resonant ring, and the resonance signal is sent to the middle control electricity Road.

7. transmitting equipment according to claim 1, which is characterized in that the transmitter unit further includes transmission power adjustment electricity Road；The transmission power adjustment circuit is connect with the middle control circuit；

The transmission power adjustment circuit is used to adjust the transmission power of magnetic signal.

8. transmitting equipment according to claim 1, which is characterized in that the quantity of the IGBT power tubes is two；Two The IGBT power tubes are in parallel；Two IGBT power tubes after parallel connection are connected with the resonant ring.

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 Emit equipment, further includes receiving device.

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.