CN106329953A - Power conversion circuit for power-supply module of power analyzer - Google Patents
Power conversion circuit for power-supply module of power analyzer Download PDFInfo
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- CN106329953A CN106329953A CN201610902803.5A CN201610902803A CN106329953A CN 106329953 A CN106329953 A CN 106329953A CN 201610902803 A CN201610902803 A CN 201610902803A CN 106329953 A CN106329953 A CN 106329953A
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- circuit
- gate
- controlled switch
- driving chip
- pwm driving
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Abstract
The invention relates to the field of power supply testing, specifically to a power conversion circuit for power-supply module of power analyzer, comprising a transformer, a first control circuit, a second control circuit, a first controllable switch group, a second controllable switch group, a filter circuit and a rectification circuit, wherein the first controllable switch group comprises a first controllable switch and a second controllable switch in series connection; the second controllable switch group comprises a third controllable switch and a fourth controllable switch in series connection; the first control circuit is connected to the first controllable switch group for controlling the on-off of the controllable switches of the first controllable switch group; the second control circuit is connected to the second controllable switch group for controlling the on-off of the controllable switches of the second controllable switch group; the joint between the first controllable switch and the second controllable switch is connected to the first terminal of the transformer primary side; the joint between the third controllable switch and the fourth controllable switch is connected to the second terminal of the transformer primary side; the transformer secondary side is connected to the rectification circuit through the filter circuit.
Description
Technical field
The present invention relates to power supply test field, a kind of power for power analysis instrument power module changes electricity
Road.
Background technology
Generally, when carrying out the test relevant to DC source, engineer must collect and configure multiple stage instrument, could be complete
Become direct current supply and measuring task.When performing these complex tasks, multiple stage test instrunment may be received simultaneously, thus increase
The risk made mistakes；To this end, engineer may select the automatic test complicated more than manual test, although but automatic test task
Manual errors can be reduced, but write, with debugging routine, the research and development engineer worked overloadingly is further increased work
Amount.And the appearance of DC source analyser avoids the debugging carrying out complexity before engineer uses multiple devices and test.Electricity
Source analyser enters the electric current of DUT by its built-in electric current kinetic measurement ability measurable flow, without such as current probe
Sensor this kind of with diverter；DC source analyser is without developing control and process of measurement, and all functions and measurement are the most integrated
In same equipment, without PC, driver and software, be equivalent to relevant workload be set decrease more than 90%；
User uses direct current supply that independent test equipment then just can complete with 2 day time and measures test assignment, uses unidirectional current
Source analyser just can be able to complete in 5 minutes.And usual, DC source analyser is integrated with circuit tester module, oscillograph mould
Block, random waveform generation module, data recordin module and multiple DC power supplier, wherein, multiple have different output work
One of the DC power supplier of rate most crucial device being undoubtedly power analysis instrument, and the circuit for power conversion of DC power supplier
Bearing most crucial power convert task especially, it is the most steady that the stability direct relation of this circuit module whole power module
Fixed reliable.
Summary of the invention
The goal of the invention of the present invention is for the circuit for power conversion pair of each power module in DC source analyser
The demand of stability, it is provided that a kind of working stability, it is adaptable to the circuit for power conversion of particular power module in power analysis instrument.
To achieve these goals, the technical solution used in the present invention is:
A kind of circuit for power conversion for power analysis instrument power module, including transformator, first control circuit, the second control
Circuit, the first gate-controlled switch group, the second gate-controlled switch group, filter circuit and rectification circuit；
Described first gate-controlled switch group includes the first gate-controlled switch and second gate-controlled switch of concatenation；Described second gate-controlled switch group
The 3rd gate-controlled switch and the 4th gate-controlled switch including ship concatenation；Described first control circuit and the first gate-controlled switch group connect,
For controlling the break-make of gate-controlled switch in the first gate-controlled switch group；Described second control circuit and the second gate-controlled switch group connect,
For controlling the break-make of gate-controlled switch in the second gate-controlled switch group；
Described first gate-controlled switch and the second gate-controlled switch junction are connected with the first termination of described transformer primary side；Described
The junction of three gate-controlled switches and the 4th gate-controlled switch is connected with described transformer primary side the second termination；
The secondary of described transformator is connected with described rectification circuit by described filter circuit.Power conversion in common power supply
Circuit can't arrange this filter circuit before changing rectification circuit again, and in the present invention, the effect of this filter circuit is to reduce transformator
The ripple of output, carries out pre-adjustment before to transformer output signal rectification, and the increase of this circuit sacrifices to a certain extent
Signal processing efficiency, but the present invention arranges this circuit before rectification circuit and but effectively reduces the spike of output signal, allows defeated
The ripple going out signal is much improved.
Further, described first control circuit includes a PWM driving chip, the first shaping circuit, the second shaping electricity
Road, the first peak absorbing circuit and the second peak absorbing circuit；
Described second control circuit includes that the 2nd PWM driving chip, the 3rd shaping circuit, the 4th shaping circuit, the 3rd spike are inhaled
Receive circuit and the 4th peak absorbing circuit；
A described PWM driving chip and the 2nd PWM driving chip all comprise two input ports, are respectively used to receive the most on the contrary
First control signal of phase and the second control signal；
First outfan of a described PWM driving chip is by the control end of the first shaping circuit and the first gate-controlled switch even
Connect；Second outfan of a described PWM driving chip is connected by the control end of the second shaping circuit and the second gate-controlled switch；
3rd outfan of a described PWM driving chip and the connection end of the first gate-controlled switch and the second gate-controlled switch are connected, and are used for
Output reference voltage is to the first gate-controlled switch, the second gate-controlled switch；
First outfan of described 2nd PWM driving chip is by the control end of the 3rd shaping circuit and the 3rd gate-controlled switch even
Connect；Second outfan of described 2nd PWM driving chip is connected by the control end of the 4th shaping circuit and the 4th gate-controlled switch；
3rd outfan of described 2nd PWM driving chip and the connection end of the 3rd gate-controlled switch and the 4th gate-controlled switch are connected, and are used for
Output reference voltage is to the 3rd gate-controlled switch, the 4th gate-controlled switch；
Described first peak absorbing circuit and described first gate-controlled switch also connect；Described second peak absorbing circuit and described second
Gate-controlled switch also connects；Described 3rd peak absorbing circuit and described 3rd gate-controlled switch also connect；Described 4th peak absorbing circuit
With described 4th gate-controlled switch connecing.
Further, described first peak absorbing circuit, described second peak absorbing circuit, the 3rd peak absorbing circuit and
Described 4th peak absorbing circuit all includes and two resistance connecing and the electric capacity concatenated with this and two resistance connecing.
Further, the first mu balanced circuit, the second mu balanced circuit are also included during described first control circuit includes；Described
First outfan of one PWM driving chip is connected with described first shaping circuit by the first mu balanced circuit；A described PWM drives
Second outfan of dynamic chip is connected with described second shaping circuit by the second mu balanced circuit；
Described second control circuit also includes the 3rd mu balanced circuit, the 4th mu balanced circuit；The of described 2nd PWM driving chip
One outfan is connected with described 3rd shaping circuit by the 3rd mu balanced circuit；Second output of described 2nd PWM driving chip
End is connected with described 4th shaping circuit by the 4th mu balanced circuit；
Described first mu balanced circuit, the second mu balanced circuit, the 3rd mu balanced circuit, the 4th mu balanced circuit are for the width in control signal
Value is connected after exceeding designated value.
Further, described first gate-controlled switch, the second gate-controlled switch, the 3rd gate-controlled switch and the 4th gate-controlled switch are field
Effect pipe；
The drain electrode of described first gate-controlled switch is used for receiving input current, the source electrode of the first gate-controlled switch and the second gate-controlled switch
Drain electrode connects, the source ground of the second gate-controlled switch；The source electrode of described first gate-controlled switch also with the of described transformer primary side
One termination connects；
The drain electrode of described 3rd gate-controlled switch is used for receiving input current, the source electrode of the 3rd gate-controlled switch and the 4th gate-controlled switch
Drain electrode connects, the source electrode pole ground connection of the 4th gate-controlled switch；The source electrode of described first gate-controlled switch also with described transformer primary side
Second termination connects.
Further, described circuit for power conversion also includes current collection circuit；Described current collection circuit is arranged on institute
State between transformer primary side and the first gate-controlled switch group, or,
Described current collection circuit is arranged between described transformer primary side and the second gate-controlled switch group.
Further, described current collection circuit is inductance；
Further, the first resistance, the second resistance, the 3rd resistance and the 4th resistance that described filter circuit includes and connects, and
The first electric capacity concatenated with described first resistance, the second resistance, the 3rd resistance and the 4th resistance；Described filter circuit and described change
The secondary of depressor also connects.
Further, described rectification circuit is bridge rectifier.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
The present invention provide in the circuit for power conversion of voltage analysis instrument voltage module, two terminations of transformer primary side are divided
Not being connected to a switches set, two gate-controlled switches of each switches set children concatenation are constituted；Controlled respectively by two PWM driving chip
Make the break-make of gate-controlled switch in two switches set, it is achieved input current direction change in transformator.Meanwhile, the outfan of transformator
Before rectification circuit, it is provided with filter circuit, effectively reduces the spike of output circuit, improve ripple characteristics.
In certain embodiments, control circuit is provided with rectification circuit, makes the rising edge of control signal more precipitous, from
And accelerate the response speed of gate-controlled switch；Control circuit is additionally provided with sharp wave absorbing circuit, is effectively improved circuit characteristic, anti-
Only sharp wave occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 a is first control circuit and the structured flowchart of the first switches set in the present invention.
Fig. 2 b is second control circuit and the structured flowchart of second switch group in the present invention.
Fig. 3 is transformator in the present invention, filter circuit and rectification circuit circuit diagram.
Fig. 4 a is first control circuit and the first switches set circuit diagram specific embodiment in the present invention.
Fig. 4 b is second control circuit and second switch group circuit diagram specific embodiment in the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1: as it is shown in figure 1, the present embodiment provides a kind of power for power analysis instrument power module to change electricity
Road, including transformator T6, first control circuit 200, second control circuit the 300, first gate-controlled switch group 400, second is controlled opens
Pass group 500, filter circuit 600 and rectification circuit 700；
Described first gate-controlled switch group 400 includes the first gate-controlled switch and second gate-controlled switch of concatenation；Described second controlled opens
Pass group 500 includes the 3rd gate-controlled switch and the 4th gate-controlled switch that ship concatenates；Described first control circuit 200 is controlled with first to be opened
Pass group 400 connects, for controlling the break-make of gate-controlled switch in the first gate-controlled switch group 400；Described second control circuit 300 and
Two gate-controlled switch groups 500 connect, for controlling the break-make of gate-controlled switch in the second gate-controlled switch group 500；
Described first gate-controlled switch and the second gate-controlled switch junction are connected with the first termination TerA on the described former limit of transformator T6；
The junction of described 3rd gate-controlled switch and the 4th gate-controlled switch is connected with the described former limit of transformator T6 the second termination TerB；
The secondary of described transformator T6 is connected with described rectification circuit 700 by described filter circuit 600.In common power supply
Circuit for power conversion can't arrange this filter circuit 600, in the present invention, this filter circuit 600 before changing rectification circuit 700 again
Effect is the ripple reducing transformator T6 output, carries out pre-adjustment, the increasing of this circuit before to transformator T6 output signal rectification
Add and sacrifice signal processing efficiency to a certain extent, but the present invention arranges this circuit before rectification circuit 700 and the most effectively subtracts
The little spike of output signal, allows the ripple of output signal be much improved.
Further, as shown in Fig. 2 a, Fig. 4 a, described first control circuit 200 include a PWM driving chip, first
Shaping circuit, the second shaping circuit, the first peak absorbing circuit and the second peak absorbing circuit；
As shown in Fig. 2 b, Fig. 4 b, described second control circuit 300 include the 2nd PWM driving chip, the 3rd shaping circuit, the 4th
Shaping circuit, the 3rd peak absorbing circuit and the 4th peak absorbing circuit；
A described PWM driving chip and the 2nd PWM driving chip all comprise two input ports, are respectively used to receive the most on the contrary
First control signal of phase and the second control signal；
First outfan of a described PWM driving chip is by the control end of the first shaping circuit and the first gate-controlled switch even
Connect；Second outfan of a described PWM driving chip is connected by the control end of the second shaping circuit and the second gate-controlled switch；
3rd outfan of a described PWM driving chip and the connection end of the first gate-controlled switch and the second gate-controlled switch are connected, and are used for
Output reference voltage is to the first gate-controlled switch, the second gate-controlled switch；Described first shaping circuit, the second shaping circuit will be for leading to
The rising edge of the pwm control signal crossed becomes precipitous, thus accelerates gate-controlled switch response speed, same, other shaping circuits
Also it is same effect.
First outfan of described 2nd PWM driving chip passes through the 3rd shaping circuit and the control end of the 3rd gate-controlled switch
Connect；Second outfan of described 2nd PWM driving chip is by the control end of the 4th shaping circuit and the 4th gate-controlled switch even
Connect；3rd outfan of described 2nd PWM driving chip and the connection end of the 3rd gate-controlled switch and the 4th gate-controlled switch are connected, and use
In output reference voltage to the 3rd gate-controlled switch, the 4th gate-controlled switch；
Described first peak absorbing circuit and described first gate-controlled switch also connect；Described second peak absorbing circuit and described second
Gate-controlled switch also connects；Described 3rd peak absorbing circuit and described 3rd gate-controlled switch also connect；Described 4th peak absorbing circuit
With described 4th gate-controlled switch connecing.
Described first peak absorbing circuit, described second peak absorbing circuit, the 3rd peak absorbing circuit and the described 4th
Peak absorbing circuit all includes and two resistance connecing and the electric capacity concatenated with this and two resistance connecing.
Described first control circuit 200 also includes the first mu balanced circuit, the second mu balanced circuit in including；A described PWM
First outfan of driving chip is connected with described first shaping circuit by the first mu balanced circuit；A described PWM drives core
Second outfan of sheet is connected with described second shaping circuit by the second mu balanced circuit；
Described second control circuit 300 also includes the 3rd mu balanced circuit, the 4th mu balanced circuit；Described 2nd PWM driving chip
The first outfan be connected with described 3rd shaping circuit by the 3rd mu balanced circuit；The second of described 2nd PWM driving chip
Outfan is connected with described 4th shaping circuit by the 4th mu balanced circuit；
Described first mu balanced circuit, the second mu balanced circuit, the 3rd mu balanced circuit, the 4th mu balanced circuit are for the width in control signal
Value is connected after exceeding designated value.
Described first gate-controlled switch, the second gate-controlled switch, the 3rd gate-controlled switch and the 4th gate-controlled switch are field effect transistor；
The drain electrode of described first gate-controlled switch is used for receiving input current, the source electrode of the first gate-controlled switch and the second gate-controlled switch
Drain electrode connects, the source ground of the second gate-controlled switch；The source electrode of described first gate-controlled switch also with the described former limit of transformator T6
First termination TerA connects；
The drain electrode of described 3rd gate-controlled switch is used for receiving input current, the source electrode of the 3rd gate-controlled switch and the 4th gate-controlled switch
Drain electrode connects, the source electrode pole ground connection of the 4th gate-controlled switch；The source electrode of described first gate-controlled switch also with the described former limit of transformator T6
Second termination TerB connect.
As shown in Fig. 1 and Fig. 2 b, Fig. 4 b, described circuit for power conversion also includes current collection circuit 800；Described electric current is adopted
Collector 800 is arranged between the described former limit of transformator T6 the first termination TerA and the first gate-controlled switch group 400, or,
Described current collection circuit 800 is arranged on the described former limit of transformator T6 the second termination TerB and the second gate-controlled switch group 500
Between.
Described current collection circuit 800 is inductance；
As it is shown on figure 3, the first resistance, the second resistance, the 3rd resistance and the 4th resistance that described filter circuit 600 includes and connects,
And the first electric capacity concatenated with described first resistance, the second resistance, the 3rd resistance and the 4th resistance；Described filter circuit 600
With the secondary of described transformator T6 connecing.
Described rectification circuit 700 is bridge rectifier 700.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (9)
1. the circuit for power conversion for power analysis instrument power module, it is characterised in that include transformator, the first control
Circuit, second control circuit, the first gate-controlled switch group, the second gate-controlled switch group, filter circuit and rectification circuit；
Described first gate-controlled switch group includes the first gate-controlled switch and second gate-controlled switch of concatenation；Described second gate-controlled switch group
The 3rd gate-controlled switch and the 4th gate-controlled switch including ship concatenation；Described first control circuit and the first gate-controlled switch group connect,
For controlling the break-make of gate-controlled switch in the first gate-controlled switch group；Described second control circuit and the second gate-controlled switch group connect,
For controlling the break-make of gate-controlled switch in the second gate-controlled switch group；
Described first gate-controlled switch and the second gate-controlled switch junction are connected with the first termination of described transformer primary side；Described
The junction of three gate-controlled switches and the 4th gate-controlled switch is connected with described transformer primary side the second termination；
The secondary of described transformator is connected with described rectification circuit by described filter circuit.
Circuit for power conversion the most according to claim 1, it is characterised in that described first control circuit includes a PWM
Driving chip, the first shaping circuit, the second shaping circuit, the first peak absorbing circuit and the second peak absorbing circuit；
Described second control circuit includes that the 2nd PWM driving chip, the 3rd shaping circuit, the 4th shaping circuit, the 3rd spike are inhaled
Receive circuit and the 4th peak absorbing circuit；
A described PWM driving chip and the 2nd PWM driving chip all comprise two input ports, are respectively used to receive the most on the contrary
First control signal of phase and the second control signal；
First outfan of a described PWM driving chip is by the control end of the first shaping circuit and the first gate-controlled switch even
Connect；Second outfan of a described PWM driving chip is connected by the control end of the second shaping circuit and the second gate-controlled switch；
3rd outfan of a described PWM driving chip and the connection end of the first gate-controlled switch and the second gate-controlled switch are connected, and are used for
Output reference voltage is to the first gate-controlled switch, the second gate-controlled switch；
First outfan of described 2nd PWM driving chip is by the control end of the 3rd shaping circuit and the 3rd gate-controlled switch even
Connect；Second outfan of described 2nd PWM driving chip is connected by the control end of the 4th shaping circuit and the 4th gate-controlled switch；
3rd outfan of described 2nd PWM driving chip and the connection end of the 3rd gate-controlled switch and the 4th gate-controlled switch are connected, and are used for
Output reference voltage is to the 3rd gate-controlled switch, the 4th gate-controlled switch；
Described first peak absorbing circuit and described first gate-controlled switch also connect；Described second peak absorbing circuit and described second
Gate-controlled switch also connects；Described 3rd peak absorbing circuit and described 3rd gate-controlled switch also connect；Described 4th peak absorbing circuit
With described 4th gate-controlled switch connecing.
Circuit for power conversion the most according to claim 2, it is characterised in that described first peak absorbing circuit, described
Two peak absorbing circuits, the 3rd peak absorbing circuit and described 4th peak absorbing circuit all include and two resistance connecing and with
One electric capacity of two the resistance concatenations being somebody's turn to do and connect.
Circuit for power conversion the most according to claim 2, it is characterised in that described first control circuit also includes in including
First mu balanced circuit, the second mu balanced circuit；First outfan of a described PWM driving chip passes through the first mu balanced circuit and institute
State the first shaping circuit to connect；Second outfan of a described PWM driving chip passes through the second mu balanced circuit and described second
Shaping circuit connects；
Described second control circuit also includes the 3rd mu balanced circuit, the 4th mu balanced circuit；The of described 2nd PWM driving chip
One outfan is connected with described 3rd shaping circuit by the 3rd mu balanced circuit；Second output of described 2nd PWM driving chip
End is connected with described 4th shaping circuit by the 4th mu balanced circuit；
Described first mu balanced circuit, the second mu balanced circuit, the 3rd mu balanced circuit, the 4th mu balanced circuit are for the width in control signal
Value is connected after exceeding designated value.
Circuit for power conversion the most according to claim 1, it is characterised in that described first gate-controlled switch, second controlled open
Pass, the 3rd gate-controlled switch and the 4th gate-controlled switch are field effect transistor；
The drain electrode of described first gate-controlled switch is used for receiving input current, the source electrode of the first gate-controlled switch and the second gate-controlled switch
Drain electrode connects, the source ground of the second gate-controlled switch；The source electrode of described first gate-controlled switch also with the of described transformer primary side
One termination connects；
The drain electrode of described 3rd gate-controlled switch is used for receiving input current, the source electrode of the 3rd gate-controlled switch and the 4th gate-controlled switch
Drain electrode connects, the source electrode pole ground connection of the 4th gate-controlled switch；The source electrode of described first gate-controlled switch also with described transformer primary side
Second termination connects.
Circuit for power conversion the most according to claim 1, it is characterised in that described circuit for power conversion also includes that electric current is adopted
Collector；Described current collection circuit is arranged between described transformer primary side and the first gate-controlled switch group, or,
Described current collection circuit is arranged between described transformer primary side and the second gate-controlled switch group.
Circuit for power conversion the most according to claim 6, it is characterised in that described current collection circuit is inductance.
Circuit for power conversion the most according to claim 1, it is characterised in that the first electricity that described filter circuit includes and connects
Resistance, the second resistance, the 3rd resistance and the 4th resistance, and with described first resistance, the second resistance, the 3rd resistance and the 4th resistance
First electric capacity of concatenation；The secondary of described filter circuit and described transformator also connects.
Circuit for power conversion the most according to claim 1, it is characterised in that described rectification circuit is bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902803.5A CN106329953B (en) | 2016-10-17 | 2016-10-17 | A kind of circuit for power conversion for power analysis instrument power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902803.5A CN106329953B (en) | 2016-10-17 | 2016-10-17 | A kind of circuit for power conversion for power analysis instrument power module |
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| Publication Number | Publication Date |
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| CN106329953A true CN106329953A (en) | 2017-01-11 |
| CN106329953B CN106329953B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007181252A (en) * | 2005-12-26 | 2007-07-12 | Sony Corp | Switching power supply circuit |
| CN101170279A (en) * | 2007-12-11 | 2008-04-30 | 叶忠 | Dual-bridge DC-DC converter and its control method |
| CN101795076A (en) * | 2009-01-29 | 2010-08-04 | 富士电机系统株式会社 | Power converter and method for controlling power converter |
| JP2016042765A (en) * | 2014-08-18 | 2016-03-31 | 富士電機株式会社 | Switching power supply apparatus |
| CN206060562U (en) * | 2016-10-17 | 2017-03-29 | 成都前锋电子仪器有限责任公司 | A kind of circuit for power conversion for power analysis instrument power module |
-
2016
- 2016-10-17 CN CN201610902803.5A patent/CN106329953B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007181252A (en) * | 2005-12-26 | 2007-07-12 | Sony Corp | Switching power supply circuit |
| CN101170279A (en) * | 2007-12-11 | 2008-04-30 | 叶忠 | Dual-bridge DC-DC converter and its control method |
| CN101795076A (en) * | 2009-01-29 | 2010-08-04 | 富士电机系统株式会社 | Power converter and method for controlling power converter |
| JP2016042765A (en) * | 2014-08-18 | 2016-03-31 | 富士電機株式会社 | Switching power supply apparatus |
| CN206060562U (en) * | 2016-10-17 | 2017-03-29 | 成都前锋电子仪器有限责任公司 | A kind of circuit for power conversion for power analysis instrument power module |
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| Publication number | Publication date |
|---|---|
| CN106329953B (en) | 2018-09-11 |
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