CN106972768A - Power transfer module - Google Patents
Power transfer module Download PDFInfo
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- CN106972768A CN106972768A CN201710333732.6A CN201710333732A CN106972768A CN 106972768 A CN106972768 A CN 106972768A CN 201710333732 A CN201710333732 A CN 201710333732A CN 106972768 A CN106972768 A CN 106972768A
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- 238000012546 transfer Methods 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000005070 sampling Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000630 rising effect Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 17
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a kind of power transfer module, including circuit for power conversion, signal sampling circuit detects modulation circuit, MCU controllers, signal isolation circuit, the first operating voltage circuit and the second operating voltage circuit.The advantage of the invention is that：Realize power transmission and voltage conversion, zero-crossing detection circuit can be realized carries out real-time synchronization zero-crossing examination to the big signal of input alternation high pressure, and synchronism output rectangular wave pulse, zero-crossing detection circuit can be realized carries out security isolation to the input big signal of alternation high pressure and the lock-out pulse low pressure small-signal of output.Solve traditional circuit can not Simultaneous Monitoring input alternating signal rising edge and trailing edge zero crossing, and will be between monitoring low pressure small-signal and the input big signal of alternation high pressure the problem of security isolation, the present invention can realize above-mentioned functions and overall cost is low, safe and reliable.
Description
Technical field
The present invention relates to a kind of Switching Power Supply, and in particular to one kind can detect alternating signal positive-negative phase zero-crossing examination
The Switching Power Supply modular converter of function.
Background technology
With the continuous ripe and popularization of switch power technology, its application field is also increasingly wider, the crystal at the bottom of nineteen forty-seven
Pipe comes out, and power technology about undergoes several big technology innovations and the replacement, since late 1960s, high withstand voltage, greatly
The ambipolar electron transistor of electric current（Also known as huge transistor, BJT, GTR）Appearance so that using senior engineer's working frequency switch
Power supply is possibly realized, and in this stage, is operated in the linear power supply of atypia on off state（Linear power supply）Turn into
Main flow, is used widely, but the intrinsic volume of linear power supply is big, and quality weight, the low shortcoming of efficiency promotes truly
First generation switch power technology is developed rapidly, in the 1970s, switching frequency breaches the human auditory system limit finally
20kHz, mainly with auto-excitation type oscillation switch power supply RCC（Ringing Choke convertor）Switched for the first generation of representative
Power supply meets most of demand in market, but the intrinsic parameter discrete of discrete component, cause module stability and
Uniformity is greatly limited, while product power can not be improved further, in order to solve the shortcoming of RCC power technologies, with arteries and veins
Wide regulation technology PWM（Pulse Width Modulation）For the generation of the integrated chip technology of core, to promote the second generation hard
Switch power technology is developed rapidly, and this stage, various electric source topology technologies are continued to bring out, modular power is further lifted, work
Working frequency is further improved, and volume is but further reduced, and stability is also more preferable, in the 1980s, with soft switch technique
Achievement in research continuous breakthrough, using quasi-resonance technology QR（quasi-resonant ）For the no-voltage and zero current of representative
On-off circuit represents third generation switch power technology, this technical characterstic be on off state close to Sofe Switch, so power work
Frequency can reach more than MHz, and conversion efficiency is higher, and conversion power is further lifted, and volume can accomplish smaller, in quasi-resonance
In technical foundation, real soft switch technique obtains tremendous development and progress, wherein representational technology is LLC resonance oscillation semi-bridges
（LLC Half Bridge Resonant Convertor）Technology.The course developed from power technology, which can be seen that, does not send a telegram here
Source technology also can be further towards integrated, miniaturization, and high frequency and functional diversities direction are developed.
From the point of view of the development of power technology above, almost all of electronic equipment all needs to use power module, particularly
In present many electronics and computer application system, not only need power module to provide high-quality burning voltage, maintain system
Steady operation, while the purpose such as monitoring, control or regulation in order to realize alternating signal, is generally required synchronous to alternating signal
Positive-negative half-cycle crossover point signal is carried out to be detected.But major part power module application at present is all without this kind of function, specific former
Because being that, for safety requirements and consideration, the first of power module all needs to carry out dual safety insulation, tool between secondary circuit
Body requirement can be found in the safety requirements in IEC60950-1 1.2.9-1.2.10 on insulation, so directly can not hand over input
The high-voltage signal of change is sampled and used.Up to the present, also without a power module, accurate voltage can be carried out and turned
Change, power transmission and impedance matching, while accurate can also be clicked through to the rising edge of input alternating signal and the zero passage of trailing edge
Row detection.
The content of the invention
It is an object of the invention to provide a kind of power transfer module, with alternating signal positive-negative phase zero crossing can be detected
The characteristics of detecting function.
The invention provides a kind of power transfer module, including：
Circuit for power conversion, is connected with alternation input, for realizing power transmission and voltage conversion；
Signal sampling circuit, is connected with alternation input, is sampled for the signal to alternation input, and generate sampling
Signal, the same phase of signal of sampled signal and alternation input, but amplitude reduce in proportion；
Modulation circuit is detected, is connected with signal sampling circuit, sampled signal exports rectangle after detection modulating circuit modulates
Pulse signal；
MCU controllers, are connected with detection modulation circuit；
Signal isolation circuit, is connected between MCU controllers and detection modulation circuit, signal isolation circuit is used for isolation processing square
Shaped pulse signal, the rectangular pulse signal through isolation processing is sampled as I/O port of the input signal through MCU controllers, MCU
Controller is received after rectangular pulse signal, by a series of logical operations, and output command adapted thereto goes to drive rear class executive component
Work, this process is gone round and begun again, and realizes the monitoring to inputting alternating signal, modulation and control；
First operating voltage circuit, be connected on circuit for power conversion and detection modulation circuit between, for detection modulation circuit
Operating voltage is provided；
Second operating voltage circuit, is connected between circuit for power conversion and signal isolation circuit, for signal isolation circuit
Operating voltage is provided.
The circuit for power conversion is flyback circuit for power conversion, normal shock circuit for power conversion, half-bridge power change-over circuit, complete
Bridge circuit for power conversion or LLC circuit for power conversion.
The circuit for power conversion is had first with secondary isolation by a rectification circuit, energy storage filter capacitor, one
The high frequency transformer of function and an electric power management circuit composition, rectification circuit is the rectifier bridge of four diode compositions, rectification
The input of bridge is connected with alternation input, and the output end of rectifier bridge is connected with high frequency transformer, and energy storage filter capacitor is simultaneously
It is coupled between rectifier bridge and high frequency transformer, electric power management circuit has a power management IC, high frequency transformer includes altogether
Four windings, high frequency transformer primary side is respectively equipped with primary main winding, primary first winding and primary second winding, and high frequency becomes
Depressor primary side is provided with secondary main winding, and primary main winding one terminates rectification bridge output end positive pole, the other end and power management IC
It is connected, primary first winding one end ground connection, the other end is connected by second diode with power management IC, primary the
One winding is connected to the second diode anode end, and the second diode anode end is connected by shunt resistance with power management IC.
The signal sampling circuit can use full-wave rectifying circuit or half-wave rectifying circuit.
The signal sampling circuit is made up of first diode and two current-limiting resistances being in series, the first diode
Anode tap is connected with the L lines of alternation input, and the cathode terminal of the first diode is grounded by two shunt resistances that are in series, inspection
Modulation circuit is surveyed to be connected between two shunt resistances.
The course of work of the detection modulation circuit is：
When alternation input signal from positive half cycle maximum into negative half period minimum value change procedure, when through zero crossing, square
Shaped pulse signal is turned to low level by high level；
When the signal of alternation input is in negative half period, sampled signal is 0 level, and rectangular pulse signal low level will be kept；
When alternation input signal from negative half period minimum value into positive half cycle maximum change procedure, when through zero crossing, square
Shaped pulse signal is turned to high level by low level；
When the signal of alternation input is in positive half cycle, sampled signal is 0 level, and rectangular pulse signal high level will be kept.
The first operating voltage circuit include the 3rd diode and a current-limiting resistance, the 3rd diode anode end with
Primary second winding one end connection, primary second winding other end ground connection, the 3rd diode cathode end sequentially passes through current-limiting resistance
It is connected with signal isolation circuit with detection modulation circuit.
The signal isolation circuit has a master end and response side, signal isolation circuit master end respectively with the first operating voltage
Circuit with detection modulation circuit be connected, signal isolation circuit response side respectively with the second operating voltage circuit and MCU controllers
It is connected.
The signal isolation circuit response side is grounded by two shunt resistances being in series, and MCU controllers are connected to two
Between shunt resistance.
The signal isolation circuit has a master end and response side, signal isolation circuit master end respectively with the first operating voltage
Circuit with detection modulation circuit be connected, signal isolation circuit master end respectively with the second operating voltage circuit and MCU controllers
It is connected, the second operating voltage circuit is connected with secondary main winding positive pole, secondary main winding negative pole ground connection, secondary main winding is just
An energy storage filter capacitor is also associated between pole and negative pole.
The detection modulation circuit uses N-channel MOS pipe or NPN type triode.
The signal isolation circuit is photo-coupler or the driving transformer with the turn ratio.
The advantage of the invention is that：Power transmission and voltage conversion are realized, zero-crossing detection circuit can be realized to input
The big signal of alternation high pressure carries out real-time synchronization zero-crossing examination, and synchronism output rectangular wave pulse, and zero-crossing detection circuit can be with
Realize and security isolation is carried out to the input big signal of alternation high pressure and the lock-out pulse low pressure small-signal of output.Solve traditional circuit
Can not Simultaneous Monitoring input alternating signal rising edge and trailing edge zero crossing, and will monitoring low pressure small-signal with input hand over
Between the change big signal of high pressure the problem of security isolation, the present invention can realize above-mentioned functions and overall cost is low, safe and reliable.
Brief description of the drawings
A kind of structured flowchart for power transfer module that Fig. 1 provides for the present invention.
Fig. 2 is the circuit theory diagrams of power transfer module shown in Fig. 1.
Fig. 3 is input alternating signal and output zero-crossing examination signal phase graph of a relation in power transfer module shown in Fig. 1.
The circuit theory diagrams for another power transfer module that Fig. 4 provides for the present invention.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Embodiment 1
A kind of power transfer module of the present invention is shown in Fig. 1 to Fig. 3.
As shown in figure 1, the power transfer module includes circuit for power conversion B, signal sampling circuit C, modulation circuit is detected
E, MCU controller H, signal isolation circuit G, the first operating voltage circuit D and the second operating voltage circuit F.
The structural relation of each circuit is：
Circuit for power conversion B is connected with alternation input, for realizing power transmission and voltage conversion.
Signal sampling circuit C is connected with alternation input, is sampled for the signal to alternation input, and generate
Sampled signal.The same phase of signal of sampled signal and alternation input, but amplitude reduces in proportion.
Detection modulation circuit E is connected with signal sampling circuit C.Sampled signal is defeated after detection modulation circuit E modulation
Go out rectangular pulse signal.
MCU controllers H is connected with detection modulation circuit E.
Signal isolation circuit G is connected between MCU controllers and detection modulation circuit E.Signal isolation circuit G is used to isolate
Rectangular pulse signal is handled, the rectangular pulse signal through isolation processing is adopted as I/O port of the input signal through MCU controllers H
Sample.
First operating voltage circuit D is connected between circuit for power conversion B and detection modulation circuit E, for being adjusted to detection
Circuit E processed provides operating voltage.
Second operating voltage circuit F is connected between circuit for power conversion B and signal isolation circuit G, for signal every
Operating voltage is provided from circuit G.
Circuit for power conversion B can be normal shock circuit for power conversion, or flyback circuit for power conversion, half-bridge work(
Rate change-over circuit, full bridge power change-over circuit or LLC circuit for power conversion.
Signal sampling circuit C can use full-wave rectifying circuit or half-wave rectifying circuit.
As shown in Fig. 2 circuit for power conversion B is flyback circuit for power conversion.
So-called flyback circuit for power conversion, refers to when the primary coil of transformer is just encouraged by DC voltage, transformation
The secondary coil of device not to load provide power output, and only after the driving voltage of transformer is turned off just to
Load provides power output.
Circuit for power conversion B is had first and secondary by a rectification circuit DB1, energy storage filter capacitor EC1, one
The high frequency transformer T1 of level isolation features and an electric power management circuit composition.
Wherein, rectification circuit DB1 is the rectifier bridge of four diode compositions.
The input of rectifier bridge is connected with alternation input, and the output end of rectifier bridge is connected with high frequency transformer T1.
Energy storage filter capacitor EC1 is parallel between rectifier bridge and high frequency transformer T1.
Electric power management circuit has a power management IC.
High frequency transformer T1 includes four windings altogether.
High frequency transformer T1 primary sides be respectively equipped with primary main winding NP, primary first winding NVCC1 and primary second around
Group NVCC2.
High frequency transformer T1 primary sides are provided with secondary main winding NS.
Primary main winding NS mono- terminates rectification bridge output end positive pole, and the other end is connected with the SWD pins of power management IC.
Primary first winding NVCC1 one end ground connection, the other end passes through a second diode D2 and resistance R5 and power supply pipe
Reason IC SWD pins are connected.
The first winding NVCC1 of primary is connected to the second diode D2 anode taps, and the second diode anode end is by shunting electricity
Resistance（R6, R7）It is connected with the FB pins of power management IC.
The CS pins of power management IC are grounded by a resistance R3.
Signal sampling circuit C is by a first diode D1 being in series and two current-limiting resistances（R1, R2）Composition.
First diode D1 anode tap is connected with the L lines of alternation input, and the first diode D1 cathode terminal passes through
Be in series two shunt resistances（R1, R2）Ground connection.
Detection modulation circuit E is connected to two shunt resistances（R1, R2）Between.
Detection modulation circuit E uses N-channel MOS pipe Q1.
Detection modulation circuit E is also grounded by a transition diode ZD1.
First operating voltage circuit D includes an a 3rd diode D3 and current-limiting resistance R4.
3rd diode D3 anode taps are connected with primary second winding NVCC2 one end.
Primary second winding NVCC2 other ends ground connection.
3rd diode D3 cathode terminals sequentially pass through current-limiting resistance R4 and signal isolation circuit G and detection modulation circuit E phases
Connection.
Signal isolation circuit G is photo-coupler PH1.
Photo-coupler PH1 has master end and response side.
Photo-coupler PH1 master ends are connected with the first operating voltage circuit D and detection modulation circuit E respectively.
Photo-coupler PH1 response sides are connected with the second operating voltage circuit F and MCU controller H respectively.
Second operating voltage circuit F is connected by resistance R8 with secondary main winding NS positive poles.
Secondary main winding NS negative poles ground connection.
An energy storage filter capacitor EC2 is also associated between secondary main winding NS positive poles and negative pole.
Photo-coupler PH1 response sides pass through two shunt resistances being in series（R9, R10）Ground connection, MCU controllers are connected to
Two shunt resistances（R9, R10）Between.
As shown in figure 3, the detection modulation circuit E course of work is：
When alternation input signal from positive half cycle maximum into negative half period minimum value change procedure, when through zero crossing, square
Shaped pulse signal is turned to low level by high level；
When the signal of alternation input is in negative half period, sampled signal is 0 level, and rectangular pulse signal low level will be kept；
When alternation input signal from negative half period minimum value into positive half cycle maximum change procedure, when through zero crossing, square
Shaped pulse signal is turned to high level by low level；
When the signal of alternation input is in positive half cycle, sampled signal is 0 level, and rectangular pulse signal high level will be kept.
MCU controllers H receives data I/O port signal and is turned to by low level after high level, is transported by a series of logics
Calculate, output command adapted thereto goes the executive component work of driving rear class, this process is gone round and begun again, and realizes the prison to inputting alternating signal
Survey, modulation and control.
In other examples, detection modulation circuit E can also use NPN type triode.
Embodiment 2
The power transfer module of another embodiment of the invention is shown in Fig. 4.As shown in figure 4, the difference with embodiment 1
Part is only that signal isolation circuit G is the driving transformer T2 with the turn ratio.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention.For those skilled in the art, in without departing substantially from the spirit and scope of the present invention, also
Some improvement and deformation application can be made, further to realize the control to late-class circuit, these applications also should be regarded as this hair
Bright protection domain, is no longer described in detail with embodiment here, and protection scope of the present invention should be with claim limited range
It is defined.
Claims (10)
1. power transfer module, it is characterised in that including：
Circuit for power conversion, is connected with alternation input, for realizing power transmission and voltage conversion；
Signal sampling circuit, is connected with the alternation input, is sampled for the signal to the alternation input, and
Sampled signal, the same phase of signal of the sampled signal and the alternation input, but amplitude is generated to reduce in proportion；
Modulation circuit is detected, is connected with the signal sampling circuit, the sampled signal is adjusted by the detection modulation circuit
After system, rectangular pulse signal is exported；
MCU controllers, are connected with the detection modulation circuit；
Signal isolation circuit, is connected between the MCU controllers and the detection modulation circuit, and the signal isolation circuit is used
In rectangular pulse signal described in isolation processing, the rectangular pulse signal through isolation processing is as input signal through the MCU
The I/O port of controller is sampled, and the MCU controllers are received after the rectangular pulse signal, is transported by a series of logics
Calculate, output command adapted thereto goes the executive component work of driving rear class, this process is gone round and begun again, and realizes the prison to inputting alternating signal
Survey, modulation and control；
First operating voltage circuit, is connected between the circuit for power conversion and the detection modulation circuit, for described
Detect that modulation circuit provides operating voltage；
Second operating voltage circuit, is connected between the circuit for power conversion and the signal isolation circuit, for described
Signal isolation circuit provides operating voltage.
2. power transfer module as claimed in claim 1, it is characterised in that the circuit for power conversion is changed for flyback power
Circuit, normal shock circuit for power conversion, half-bridge power change-over circuit, full bridge power change-over circuit or LLC circuit for power conversion.
3. power transfer module as claimed in claim 2, it is characterised in that the circuit for power conversion is by a rectified current
Road, energy storage filter capacitor, a high frequency transformer and an electric power management circuit with first and secondary isolation features
Composition, the rectification circuit is the rectifier bridge of four diode compositions, the input of the rectifier bridge and the alternation input
It is connected, the output end of the rectifier bridge is connected with the high frequency transformer, the energy storage filter capacitor is parallel to described whole
Flow between bridge and the high frequency transformer, the electric power management circuit has a power management IC, the high frequency transformer is total
Include four windings altogether, the high frequency transformer primary side is respectively equipped with primary main winding, primary first winding and primary second
Winding, the high frequency transformer primary side is provided with secondary main winding, and the primary main winding one terminates the rectification bridge output end
Positive pole, the other end is connected with the power management IC, and primary first winding one end ground connection, the other end passes through one second
Diode is connected with the power management IC, and primary first winding is connected to the second diode anode end, described
Second diode anode end is connected by shunt resistance with the power management IC.
4. power transfer module as claimed in claim 1, it is characterised in that the signal sampling circuit is using full-wave rectification electricity
Road or half-wave rectifying circuit.
5. power transfer module as claimed in claim 4, it is characterised in that the signal sampling circuit is by be in series one
First diode and two current-limiting resistance compositions, the anode tap of first diode and described and alternation input L line phases
Connection, the cathode terminal of first diode is grounded by described two shunt resistances that are in series, and the detection modulation circuit connects
It is connected between two shunt resistances.
6. the power transfer module as described in any one of claim 1 to 5, it is characterised in that the work of the detection modulation circuit
It is as process：
When the alternation input signal from positive half cycle maximum into negative half period minimum value change procedure, through zero crossing
When, the rectangular pulse signal is turned to low level by high level；
When the signal of the alternation input is in negative half period, the sampled signal is 0 level, and the rectangular pulse signal is low
Level will be kept；
When the alternation input signal from negative half period minimum value into positive half cycle maximum change procedure, through zero crossing
When, the rectangular pulse signal is turned to high level by low level；
When the signal of the alternation input is in positive half cycle, the sampled signal is 0 level, and the rectangular pulse signal is high
Level will be kept.
7. power transfer module as claimed in claim 1, it is characterised in that the first operating voltage circuit includes one the
Three diodes and a current-limiting resistance, the 3rd diode anode end are connected with described primary second winding one end, described first
Level second winding other end ground connection, the 3rd diode cathode end sequentially passes through the current-limiting resistance and signal isolation electricity
Road is connected with the detection modulation circuit.
8. power transfer module as claimed in claim 1, it is characterised in that the signal isolation circuit has master end and sound
Side is answered, the signal isolation circuit master end is connected with the first operating voltage circuit and the detection modulation circuit respectively
Connect, the signal isolation circuit response side is connected with the second operating voltage circuit and the MCU controllers respectively.
9. power transfer module as claimed in claim 8, it is characterised in that the signal isolation circuit response side is by mutually going here and there
Two shunt resistance ground connection of connection, the MCU controllers are connected between two shunt resistances.
10. power transfer module as claimed in claim 3, it is characterised in that the signal isolation circuit have master end and
Response side, the signal isolation circuit master end is connected with the first operating voltage circuit and the detection modulation circuit respectively
Connect, the signal isolation circuit master end is connected with the second operating voltage circuit and the MCU controllers respectively, described
Second operating voltage circuit is connected with the secondary main winding positive pole, the secondary main winding negative pole ground connection, described secondary main
An energy storage filter capacitor is also associated between winding positive pole and negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/090541 WO2018205370A1 (en) | 2017-05-12 | 2017-06-28 | Power conversion module |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012601.8A CN106787840A (en) | 2017-01-09 | 2017-01-09 | A kind of power converter module |
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| CN201710012601.8A Pending CN106787840A (en) | 2017-01-09 | 2017-01-09 | A kind of power converter module |
| CN201720527165.3U Active CN206922659U (en) | 2017-01-09 | 2017-05-12 | Power transfer module |
| CN201710333732.6A Pending CN106972768A (en) | 2017-01-09 | 2017-05-12 | Power transfer module |
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| CN201710012601.8A Pending CN106787840A (en) | 2017-01-09 | 2017-01-09 | A kind of power converter module |
| CN201720527165.3U Active CN206922659U (en) | 2017-01-09 | 2017-05-12 | Power transfer module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056178A1 (en) * | 2017-09-19 | 2019-03-28 | 深圳配天智能技术研究院有限公司 | Servo drive switch power supply and servo drive |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205370A1 (en) * | 2017-05-12 | 2018-11-15 | 厦门赛特勒磁电有限公司 | Power conversion module |
| CN107425834B (en) * | 2017-06-26 | 2023-07-07 | 青岛东软载波科技股份有限公司 | Power line zero-crossing modulation circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110615Y (en) * | 2007-10-29 | 2008-09-03 | 珠海格力电器股份有限公司 | Zero-cross signal testing circuit of air conditioner controller as well as air conditioner |
| CN202886459U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Digital zero cross detection circuit and household air-conditioner |
| CN206759334U (en) * | 2017-01-09 | 2017-12-15 | 厦门赛特勒磁电有限公司 | A kind of power converter module |
-
2017
- 2017-01-09 CN CN201710012601.8A patent/CN106787840A/en active Pending
- 2017-05-12 CN CN201720527165.3U patent/CN206922659U/en active Active
- 2017-05-12 CN CN201710333732.6A patent/CN106972768A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201110615Y (en) * | 2007-10-29 | 2008-09-03 | 珠海格力电器股份有限公司 | Zero-cross signal testing circuit of air conditioner controller as well as air conditioner |
| CN202886459U (en) * | 2012-09-29 | 2013-04-17 | 广东美的制冷设备有限公司 | Digital zero cross detection circuit and household air-conditioner |
| CN206759334U (en) * | 2017-01-09 | 2017-12-15 | 厦门赛特勒磁电有限公司 | A kind of power converter module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056178A1 (en) * | 2017-09-19 | 2019-03-28 | 深圳配天智能技术研究院有限公司 | Servo drive switch power supply and servo drive |
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| Publication number | Publication date |
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| CN106787840A (en) | 2017-05-31 |
| CN206922659U (en) | 2018-01-23 |
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