CN206759334U - A kind of power converter module - Google Patents
A kind of power converter module Download PDFInfo
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- CN206759334U CN206759334U CN201720526463.0U CN201720526463U CN206759334U CN 206759334 U CN206759334 U CN 206759334U CN 201720526463 U CN201720526463 U CN 201720526463U CN 206759334 U CN206759334 U CN 206759334U
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Abstract
Include circuit for power conversion B, the first operating voltage circuit D, the second operating voltage circuit F, zero-crossing examination modulation circuit E, crossover point signal isolation circuit G, the crossover point signal sample circuit C for being connected to DC circuit A both ends the utility model discloses a kind of power converter module.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 utility model can realize above-mentioned function and overall cost is low, securely and reliably.
Description
Technical field
A kind of power converter module is the utility model is related to, more particularly to one kind can detect alternating signal positive-negative phase
The power converter module of zero-crossing examination 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 power supply（Also known as huge transistor, BJT, GTR）Appearance so that using the switch of senior engineer's working frequency
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, be used widely, but linear power supply it is intrinsic volume it is big, quality weight, the shortcomings that efficiency is low, promote truly
First generation switch power technology develops 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 demand in market, but the parameter discrete that discrete component is intrinsic, cause module stability and
Uniformity is greatly limited, while product power can not be improved further, in order to solve the shortcomings that 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, this stage, and various electric source topology technologies are continued to bring out, and 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, conversion power further lifted, volume can accomplish it is 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.It can be seen that from the course of power technology development and do not send a telegram here
Source technology also can be further towards integrated, and miniaturization, 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 the burning voltage of high quality, maintain system
Steady operation, while the purpose of in order to realize the monitoring of alternating signal, control or regulation, generally require synchronous to alternating signal
Positive-negative half-cycle crossover point signal is carried out to be detected.But most of power module application does not all have this kind of function at present, specific former
Because being all to need to carry out dual safety insulation, tool between secondary circuit for safety requirements and consideration, the first of power module
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 it can carry out accurate voltage without a power module and turn
Change, power transmission and impedance matching, while can also be accurately to inputting the rising edge of alternating signal and the zero passage click-through of trailing edge
Row detection.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of power converter module, and alternation can be detected by having
The characteristics of signal positive-negative phase zero-crossing examination function.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of power converter module, its innovative point
It is：The power converter module includes being connected to the circuit for power conversion B at DC circuit A both ends, changed with the power
The first operating voltage circuit D and the second operating voltage circuit F that circuit B is respectively connected with, with the first operating voltage circuit D phases
Zero-crossing examination modulation circuit E even, the crossover point signal isolation circuit G being connected with the second operating voltage circuit F, it is connected
Crossover point signal sample circuit C between DC circuit A live wire and the zero-crossing examination modulation circuit E, the zero passage
Point signal isolation circuit G is connected with MCU controllers, and the MCU controllers are connected with the controlled equipment I that performs.
Preferably, the circuit for power conversion B include be connected to DC circuit A both ends bridge rectifier, with it is described
The connected transformer primary main winding of bridge rectifier, the transformer include a primary side main winding, one the
One assists winding, second assists winding, the secondary assists winding being coupled with the primary side main winding, primary side master
The output of winding is connected in the IC modules by PWM controls, and the IC modules are connected in first assists winding, and described the
Two assists windings are connected with zero-crossing examination modulation circuit E, the voltage needed for the secondary assists winding output other equipment, institute
The first operating voltage circuit D is stated between second assists winding and the zero-crossing examination modulation circuit E, described second
Operating voltage circuit F is between the secondary assists winding and the crossover point signal isolation circuit G.
Preferably, the first operating voltage circuit D is by second assists winding and diode D3 and current-limiting resistance R4
It is composed in series.
Preferably, the second operating voltage circuit F is by being serially connected in the secondary assists winding and the crossover point signal
Current-limiting resistance R8 compositions between isolation circuit G.
Preferably, the zero-crossing examination modulation circuit E is by NPN triode Q1 or the metal-oxide-semiconductor with N channel forms.
Preferably, the crossover point signal isolation circuit G forms by optocoupler or with the driving transformer of the turn ratio.
Preferably, the crossover point signal sample circuit C is composed in series by diode D1 and current-limiting resistance R1.
The utility model has the advantage of：Realize power transmission and voltage conversion, zero-crossing detection circuit can be realized pair
Input the big signal of alternation high pressure and carry out real-time synchronization zero-crossing examination, and synchronism output rectangular wave pulse, zero-crossing detection circuit
It can 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.Solves tradition
Circuit can not Simultaneous Monitoring input alternating signal rising edge and trailing edge zero crossing, and will monitoring low pressure small-signal with it is defeated
The problem of entering security isolation between the big signal of alternation high pressure, the present invention can realize above-mentioned function and overall cost is low, safely may be used
Lean on.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of structured flowchart of power converter module of the utility model.
Fig. 2 is the original that crossover point signal isolation circuit uses light-coupled isolation in a kind of power converter module of the utility model
Reason figure.
Fig. 3 is that alternating signal is inputted in a kind of power converter module of the utility model with exporting zero-crossing examination signal phase
Position graph of a relation.
Fig. 4 is that crossover point signal isolation circuit uses isolation drive transformation in a kind of power converter module of the utility model
The schematic diagram of device.
Embodiment
Power converter module includes being connected to circuit for power conversion B and the institute at DC circuit A both ends in the utility model
State the first operating voltage circuit D and the work of the second operating voltage circuit F and described first that circuit for power conversion B is respectively connected with
Connected potential circuit D zero-crossing examination modulation circuit E, with the crossover point signal that the second operating voltage circuit F is connected every
From circuit G, the crossover point signal that is connected between DC circuit A live wire and zero-crossing examination modulation circuit E sampling electricity
Road C, the crossover point signal isolation circuit G are connected with MCU controllers, and the MCU controllers are connected with the controlled equipment I that performs.
Power transmission and voltage conversion are realized, zero-crossing detection circuit can be realized carries out real-time synchronization to the big signal of input alternation high pressure
Zero-crossing examination, and synchronism output rectangular wave pulse, zero-crossing detection circuit can realize to input the big signal of alternation high pressure and
The lock-out pulse low pressure small-signal of output carries out security isolation.Solving traditional circuit can not Simultaneous Monitoring input alternating signal
The zero crossing of rising edge and trailing edge, and security isolation between low pressure small-signal and the input big signal of alternation high pressure will be monitored
Problem, the present invention can realize above-mentioned function and overall cost is low, securely and reliably.
As shown in Fig. 2 wherein zero-crossing examination modulation circuit E uses the concrete principle figure of NPN triode Q1, such as Fig. 4 institutes
Show, wherein zero-crossing examination modulation circuit E uses the concrete principle figure of the metal-oxide-semiconductor of N channel.Zero-crossing examination modulation circuit E's
Operation principle, diode D1 and current-limiting resistance R1 form sample circuit, while current-limiting resistance R1 also connects structure with current-limiting resistance R2
Into bleeder circuit, suitable operating voltage is provided for crossover point signal modulation circuit E, specific requirement be when input alternating signal by
Positive half cycle peak is into negative half period minimum change procedure, and when close to zero crossing, the voltages of R2 over the ground can have an electricity
The unlatching threshold voltage in MOS pipes or NPN triode Q1, MOS pipes or triode Q1 cut-offs are forced down, optocoupler input is luminous
Diode is also switched off, and optocoupler output triode Q1 is also switched off, and the level for being accordingly input to MCU data input I/O ports is by high electricity
It is flat to be turned to low level, simultaneously because crossover point signal sample circuit is halfwave rectifier, therefore the negative half period of alternating signal is inputted, taken
Sample signal is 0 level, and the low level of MCU data input I/O ports will remain to next positive half cycle and start, and MCU, which is received, to be turned over
After rotaring signal, by a series of logical operations, output command adapted thereto goes to drive the work of rear class executive component, when input alternating signal
By negative half period minimum into positive half cycle peak change procedure, when close to zero crossing, the voltages of R2 over the ground are managed more than MOS
Q1 unlatching threshold voltage, MOS pipes Q1 will be opened, and also seldom conducting is luminous for optocoupler input light emitting diode, optocoupler output three
Pole pipe is also switched on, and the level for being accordingly input to MCU data input I/O ports is to be turned to high level by low level, and this high level is always
It can continue to and input alternating signal by positive half cycle peak into negative half period minimum change procedure, by zero crossing, MCU connects
Receive after data I/O port signal is turned to high level by low level, by a series of logical operations, output command adapted thereto goes to drive
Rear class executive component is worked, and this process is gone round and begun again, and realizes the monitoring to inputting alternating signal, modulation and control.Specific waveform
As shown in figure 3, AC represents input alternating signal waveform, X represents the crossover point signal waveform after over sampling is modulated and is isolated.
Above-mentioned circuit for power conversion B includes the bridge rectifier, whole with the bridge-type for being connected to DC circuit A both ends
The connected transformer primary main winding of current circuit, the transformer include a primary side main winding, first auxiliary
Winding, second assists winding, the secondary assists winding being coupled with the primary side main winding, the primary side main winding
Output is connected in the IC modules by PWM controls, and the IC modules are connected in first assists winding, second auxiliary
Winding is connected with zero-crossing examination modulation circuit E, the voltage needed for the secondary assists winding output other equipment, and described first
Operating voltage circuit D is between second assists winding and the zero-crossing examination modulation circuit E, the second work electricity
Volt circuit F is between the secondary assists winding and the crossover point signal isolation circuit G.
The first above-mentioned operating voltage circuit D is connected group by second assists winding with diode D3 and current-limiting resistance R4
Into.Second operating voltage circuit F is by the limit that is serially connected between the secondary assists winding and the crossover point signal isolation circuit G
Leakage resistance R8 is formed.Metal-oxide-semiconductors of the zero-crossing examination modulation circuit E by NPN triode Q1 or with N channel forms.Zero crossing
Signal isolation circuit G forms by optocoupler or with the driving transformer of the turn ratio.Crossover point signal sample circuit C by diode D1 and
Current-limiting resistance R1 is composed in series.
It is last it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and non-limiting technical side
Case, it will be understood by those within the art that, technical scheme is modified for those or equivalent substitution, and
The objective and scope of the technical program are not departed from, all should be covered among scope of the presently claimed invention.
Claims (7)
- A kind of 1. power converter module, it is characterised in that：The power converter module includes being connected to DC circuit A both ends Circuit for power conversion B, the first operating voltage circuit D for being respectively connected with the circuit for power conversion B and the second operating voltage Circuit F, the zero-crossing examination modulation circuit E being connected with the first operating voltage circuit D and the second operating voltage circuit Connected F crossover point signal isolation circuit G, it is connected between DC circuit A live wire and the zero-crossing examination modulation circuit E Crossover point signal sample circuit C, the crossover point signal isolation circuit G is connected with MCU controllers, the MCU controllers with The controlled equipment I that performs is connected.
- A kind of 2. power converter module as claimed in claim 1, it is characterised in that：The circuit for power conversion B includes connecting Bridge rectifier, the transformer primary main winding being connected with the bridge rectifier at DC circuit A both ends are connected on, should Transformer includes a primary side main winding, first assists winding, second assists winding and the primary side The secondary assists winding that main winding is coupled, the output of the primary side main winding is connected in the IC modules by PWM controls, described IC modules are connected in first assists winding, and second assists winding is connected with zero-crossing examination modulation circuit E, described Voltage needed for secondary assists winding output other equipment, the first operating voltage circuit D are located at second assists winding Between the zero-crossing examination modulation circuit E, the second operating voltage circuit F be located at the secondary assists winding with it is described Between crossover point signal isolation circuit G.
- A kind of 3. power converter module as claimed in claim 2, it is characterised in that：The first operating voltage circuit D by Second assists winding is composed in series with diode D3 and current-limiting resistance R4.
- A kind of 4. power converter module as claimed in claim 2, it is characterised in that：The second operating voltage circuit F by The current-limiting resistance R8 compositions being serially connected between the secondary assists winding and the crossover point signal isolation circuit G.
- A kind of 5. power converter module as claimed in claim 2, it is characterised in that：The zero-crossing examination modulation circuit E It is made up of NPN triode Q1 or the metal-oxide-semiconductor with N channel.
- A kind of 6. power converter module as claimed in claim 2, it is characterised in that：The crossover point signal isolation circuit G Formed by optocoupler or with the driving transformer of the turn ratio.
- A kind of 7. power converter module as claimed in claim 1, it is characterised in that：The crossover point signal sample circuit C It is composed in series by diode D1 and current-limiting resistance R1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018995 | 2017-01-09 | ||
| CN2017200189953 | 2017-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759334U true CN206759334U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720526463.0U Active CN206759334U (en) | 2017-01-09 | 2017-05-12 | A kind of power converter module |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972768A (en) * | 2017-01-09 | 2017-07-21 | 厦门赛特勒磁电有限公司 | Power transfer module |
| WO2018205370A1 (en) * | 2017-05-12 | 2018-11-15 | 厦门赛特勒磁电有限公司 | Power conversion module |
-
2017
- 2017-05-12 CN CN201720526463.0U patent/CN206759334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972768A (en) * | 2017-01-09 | 2017-07-21 | 厦门赛特勒磁电有限公司 | Power transfer module |
| WO2018205370A1 (en) * | 2017-05-12 | 2018-11-15 | 厦门赛特勒磁电有限公司 | Power conversion module |
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