CN106329953B - A kind of circuit for power conversion for power analysis instrument power module - Google Patents
A kind of circuit for power conversion for power analysis instrument power module Download PDFInfo
- Publication number
- CN106329953B CN106329953B CN201610902803.5A CN201610902803A CN106329953B CN 106329953 B CN106329953 B CN 106329953B CN 201610902803 A CN201610902803 A CN 201610902803A CN 106329953 B CN106329953 B CN 106329953B
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- circuit
- controllable switch
- connect
- driving chips
- 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
Abstract
The present invention relates to power supply test fields, especially a kind of circuit for power conversion for power analysis instrument power module.Including transformer, first control circuit, second control circuit, the first controllable switch group, the second controllable switch group, filter circuit and rectification circuit;The first controllable switch group includes the first controllable switch and the second controllable switch of concatenation;The second controllable switch group includes the third controllable switch and the 4th controllable switch of ship concatenation;The first control circuit is connect with the first controllable switch group, the break-make for controlling controllable switch in the first controllable switch group;The second control circuit is connect with the second controllable switch group, the break-make for controlling controllable switch in the second controllable switch group;First controllable switch is connect with the second controllable switch junction with the first end of the transformer primary side;The third controllable switch is connect with the junction of the 4th controllable switch with the second end of the transformer primary side;The secondary side of the transformer is connect by the filter circuit with the rectification circuit.
Description
Technical field
The present invention relates to power supply test field, especially a kind of power for power analysis instrument power module converts electricity
Road.
Background technology
In general, when carrying out test relevant with DC power supply, engineer must collect and configure more instruments, could be complete
At direct current supply and measurement task.When executing these complex tasks, it may be connected to more test equipments simultaneously, to increase
The risk of error;For this purpose, engineer may select the automatic test more than manual test complexity, although automatic test task
Manual errors can be reduced, but writes and work is further increased to the research and development engineer to have worked overloadingly with debugging routine
Amount.And the appearance of DC power supply analyzer avoids engineer and uses the debugging for carrying out complexity before multiple devices and test.Electricity
Source analyzer can measure the electric current for flowing into DUT by the electric current dynamic measurement capability built in it, without such as current probe
With this kind of sensor of current divider;For DC power supply analyzer without developing control and process of measurement, institute is functional and measures all integrated
In same equipment, without PC, driver and software, be equivalent to handle and the relevant workload of setting reduce 90% with
On;The direct current supply and measure test assignment that user could then be completed with 2 day time using independent test equipment, use direct current
Power analysis instrument can be completed in 5 minutes.And in general, being integrated with multimeter module, oscillograph in DC power supply analyzer
Module, data recordin module and multiple DC power suppliers occur for module, random waveform, wherein multiple to have different outputs
The DC power supplier of power is undoubtedly one of most crucial device of power analysis instrument, and the conversion of the power of DC power supplier is electric
Road is even more to bear most crucial power convert task, and whether the stability of the circuit module is directly related to entire power module
It is reliable and stable.
Invention content
The goal of the invention of the present invention is the circuit for power conversion pair for each power module in DC power supply analyzer
The demand of stability provides a kind of the operation is stable, the circuit for power conversion of particular power module suitable for power analysis instrument.
To achieve the goals above, the technical solution adopted by the present invention is:
A kind of circuit for power conversion for power analysis instrument power module, including transformer, first control circuit, second
Control circuit, the first controllable switch group, the second controllable switch group, filter circuit and rectification circuit;
The first controllable switch group includes the first controllable switch and the second controllable switch of concatenation;Described second controllably opens
Pass group includes the third controllable switch and the 4th controllable switch of ship concatenation;The first control circuit and the first controllable switch group connect
It connects, the break-make for controlling controllable switch in the first controllable switch group;The second control circuit and the second controllable switch group connect
It connects, the break-make for controlling controllable switch in the second controllable switch group;
First controllable switch is connect with the second controllable switch junction with the first end of the transformer primary side;Institute
Third controllable switch is stated to connect with the junction of the 4th controllable switch with the second end of the transformer primary side;
The secondary side of the transformer is connect by the filter circuit with the rectification circuit.Power in common power supply
The filter circuit is arranged before can't changing rectification circuit again in conversion circuit, and in of the invention, the effect of the filter circuit is to reduce to become
The ripple of depressor output, carries out pre-adjustment, the increase of the circuit is sacrificial to a certain extent before to transformer output signal rectification
Domestic animal signal processing efficiency, but the spike that the circuit but effectively reduces output signal is arranged in the present invention before rectification circuit,
The ripple of output signal is allowed to be much improved.
Further, the first control circuit includes the first PWM driving chips, the first shaping circuit, the second shaping electricity
Road, the first peak absorbing circuit and the second peak absorbing circuit;
The second control circuit includes the 2nd PWM driving chips, third shaping circuit, the 4th shaping circuit, third point
Peak absorbing circuit and the 4th peak absorbing circuit;
The first PWM driving chips and the 2nd PWM driving chips include two input ports, are respectively used to receive mutual
The first control signal and second control signal of phase reverse phase;
The control terminal that first output end of the first PWM driving chips passes through the first shaping circuit and the first controllable switch
Connection;The second output terminal of the first PWM driving chips is connected by the control terminal of the second shaping circuit and the second controllable switch
It connects;The third output end and the first controllable switch of the first PWM driving chips are connected with the connecting pin of the second controllable switch, use
In output reference voltage to the first controllable switch, the second controllable switch;
The control terminal that first output end of the 2nd PWM driving chips passes through third shaping circuit and third controllable switch
Connection;The second output terminal of the 2nd PWM driving chips is connected by the control terminal of the 4th shaping circuit and the 4th controllable switch
It connects;The third output end and third controllable switch of the 2nd PWM driving chips are connected with the connecting pin of the 4th controllable switch, use
In output reference voltage to third controllable switch, the 4th controllable switch;
First peak absorbing circuit and first controllable switch simultaneously connect;Second peak absorbing circuit with it is described
Second controllable switch simultaneously connects;The third peak absorbing circuit and the third controllable switch simultaneously connect;4th peak absorbing
Circuit and the 4th controllable switch simultaneously connect.
Further, first peak absorbing circuit, second peak absorbing circuit, third peak absorbing circuit and
4th peak absorbing circuit includes and two resistance connecing and the capacitance concatenated with this and two resistance connecing.
Further, further include the first regulator circuit, the second regulator circuit during the first control circuit includes;Described
First output end of one PWM driving chips is connect by the first regulator circuit with first shaping circuit;First PWM drives
The second output terminal of dynamic chip is connect by the second regulator circuit with second shaping circuit;
Further include third regulator circuit, the 4th regulator circuit in the second control circuit;The 2nd PWM driving chips
The first output end connect with the third shaping circuit by third regulator circuit;The second of the 2nd PWM driving chips
Output end is connect by the 4th regulator circuit with the 4th shaping circuit;
First regulator circuit, the second regulator circuit, third regulator circuit, the 4th regulator circuit are used in control signal
Amplitude be more than designated value after connect.
Further, first controllable switch, the second controllable switch, third controllable switch and the 4th controllable switch are field
Effect pipe;
For receiving input current, the source electrode of the first controllable switch is controllably opened with second for the drain electrode of first controllable switch
The drain electrode of pass connects, the source electrode ground connection of the second controllable switch;The source electrode of first controllable switch also with the transformer primary side
The first end connection;
For receiving input current, the source electrode of third controllable switch is controllably opened with the 4th for the drain electrode of the third controllable switch
The drain electrode of pass connects, the source electrode ground connection of the 4th controllable switch;The source electrode of 4th controllable switch also with the transformer primary side
The second end connection.
Further, the circuit for power conversion further includes current collection circuit;The current collection circuit is arranged in institute
It states between transformer primary side and the first controllable switch group, or,
The current collection circuit is arranged between the transformer primary side and the second controllable switch group.
Further, the current collection circuit is inductance;
Further, first resistor, second resistance, 3rd resistor and the 4th resistance that the filter circuit includes and connects,
And the first capacitance concatenated with the first resistor, second resistance, 3rd resistor and the 4th resistance;The filter circuit and institute
It states the secondary side of transformer and connects.
Further, the rectification circuit is bridge rectifier.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows:
Provided by the present invention in the circuit for power conversion of voltage analysis instrument voltage module, two of transformer primary side hold
Head is connect respectively there are one switching group, and two controllable switches of each switching group children concatenation are constituted;Pass through two PWM driving chips point
Not Kong Zhi in two switching groups controllable switch break-make, realize input current direction change in transformer.Meanwhile transformer is defeated
Outlet is provided with filter circuit before rectification circuit, effectively reduces the spike of output circuit, improves ripple characteristics.
In some embodiments, it is provided with rectification circuit in control circuit, makes the rising edge of control signal more precipitous, from
And accelerate the response speed of controllable switch;It is additionally provided with sharp wave absorbing circuit in control circuit, is effectively improved circuit characteristic, prevents
Only sharp wave occurs.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 a are first control circuit and the structure diagram of the first controllable switch group in the present invention.
Fig. 2 b are second control circuit and the structure diagram of the second controllable switch group in the present invention.
Fig. 3 is transformer in the present invention, filter circuit and rectification circuit circuit diagram.
Fig. 4 a are first control circuit and the first controllable switch group circuit diagram specific embodiment in the present invention.
Fig. 4 b are second control circuit and the second controllable switch group circuit diagram specific embodiment in the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1:As shown in Figure 1, the present embodiment provides a kind of power for power analysis instrument power module to convert electricity
Road, including transformer T6, first control circuit 200, second control circuit 300, the first controllable switch group 400, second are controllably opened
Pass group 500, filter circuit 600 and rectification circuit 700;
The first controllable switch group 400 includes the first controllable switch and the second controllable switch of concatenation;Described second can
Control the third controllable switch and the 4th controllable switch that switching group 500 includes ship concatenation;The first control circuit 200 and first can
It controls switching group 400 to connect, the break-make for controlling controllable switch in the first controllable switch group 400;The second control circuit 300
It is connect with the second controllable switch group 500, the break-make for controlling controllable switch in the second controllable switch group 500;
First end TerA of first controllable switch and the second controllable switch junction and the transformer T6 primary sides
Connection;The junction of the third controllable switch and the 4th controllable switch connects with the transformer T6 primary sides the second end TerB
It connects;
The secondary side of the transformer T6 is connect by the filter circuit 600 with the rectification circuit 700.Common power supply
In circuit for power conversion can't change again the filter circuit 600 is set before rectification circuit 700, in the present invention, the filter circuit
600 effect is to reduce the ripple of transformer T6 outputs, carries out pre-adjustment before to transformer T6 output signal rectifications, the circuit
Increase sacrifice signal processing efficiency to a certain extent, but the circuit, which is arranged, but in the present invention before rectification circuit 700 has
Effect reduces the spike of output signal, and the ripple of output signal is allowed to be much improved.
Further, as shown in Fig. 2 a, Fig. 4 a, the first control circuit 200 includes the first PWM driving chips 201, the
One shaping circuit 202, the second shaping circuit 204, the first peak absorbing circuit 203 and the second peak absorbing circuit 205;
As shown in Fig. 2 b, Fig. 4 b, the second control circuit 300 includes the 2nd PWM driving chips 301, third shaping electricity
Road 302, the 4th shaping circuit 304, third peak absorbing circuit 303 and the 4th peak absorbing circuit 305;
The first PWM driving chips 201 and the 2nd PWM driving chips 301 include two input ports, are respectively used to
Receive the first control signal and second control signal of mutual reverse phase;
First output end of the first PWM driving chips 201 passes through the first shaping circuit 202 and the first controllable switch
Control terminal connects;The second output terminal of the first PWM driving chips 201 is controllably opened by the second shaping circuit 204 with second
The control terminal of pass connects;The third output end and the first controllable switch of the first PWM driving chips 201 and the second controllable switch
Connecting pin be connected, for output reference voltage to the first controllable switch, the second controllable switch;First shaping circuit 202,
Second shaping circuit 024 for will by the rising edge of pwm control signal become precipitous, to accelerate controllable switch response speed
Degree, likewise, other shaping circuits are also similarly to act on.
First output end of the 2nd PWM driving chips 301 passes through third shaping circuit 302 and third controllable switch
Control terminal connects;The second output terminal of the 2nd PWM driving chips 301 is controllably opened by the 4th shaping circuit 304 with the 4th
The control terminal of pass connects;The third output end and third controllable switch of the 2nd PWM driving chips 301 and the 4th controllable switch
Connecting pin be connected, for output reference voltage to third controllable switch, the 4th controllable switch;
First peak absorbing circuit 203 and first controllable switch simultaneously connect;Second peak absorbing circuit 205
With second controllable switch and connect;The third peak absorbing circuit 303 and the third controllable switch simultaneously connect;Described 4th
Peak absorbing circuit 305 and the 4th controllable switch simultaneously connect.
First peak absorbing circuit 203, second peak absorbing circuit 205, third peak absorbing circuit 303 and
4th peak absorbing circuit 305 includes and two resistance connecing and the capacitance concatenated with this and two resistance connecing.
The first control circuit 200 further includes the first regulator circuit 206, the second regulator circuit 207 in including;Described
First output end of one PWM driving chips 201 is connect by the first regulator circuit 206 with first shaping circuit 202;It is described
The second output terminal of first PWM driving chips 201 is connect by the second regulator circuit 207 with second shaping circuit 204;
Further include third regulator circuit 306, the 4th regulator circuit 307 in the second control circuit 300;Described second
First output end of PWM driving chips 301 is connect by third regulator circuit 306 with the third shaping circuit 302;Described
The second output terminal of two PWM driving chips 301 is connect by the 4th regulator circuit 307 with the 4th shaping circuit 304;
First regulator circuit 206, the second regulator circuit 207, third regulator circuit 306, the 4th regulator circuit 307 are used
It is connected after being more than designated value in the amplitude of control signal.
First controllable switch, the second controllable switch, third controllable switch and the 4th controllable switch are field-effect tube;
For receiving input current, the source electrode of the first controllable switch is controllably opened with second for the drain electrode of first controllable switch
The drain electrode of pass connects, the source electrode ground connection of the second controllable switch;The source electrode of first controllable switch is also former with the transformer T6
The first end TerA connections on side;
For receiving input current, the source electrode of third controllable switch is controllably opened with the 4th for the drain electrode of the third controllable switch
The drain electrode of pass connects, the source electrode ground connection of the 4th controllable switch;The source electrode of 4th controllable switch is also former with the transformer T6
The second end TerB connections on side.
As shown in Fig. 1 and Fig. 2 b, Fig. 4 b, the circuit for power conversion further includes current collection circuit 800;The electric current is adopted
Collector 800 is arranged between transformer T6 primary sides the first end TerA and the first controllable switch group 400, or, the electricity
Acquisition Circuit 800 is flowed to be arranged between transformer T6 primary sides the second end TerB and the second controllable switch group 500.
The current collection circuit 800 is inductance;
As shown in figure 3, first resistor, second resistance, 3rd resistor and the 4th electricity that the filter circuit 600 includes and connects
It hinders, and the first capacitance concatenated with the first resistor, second resistance, 3rd resistor and the 4th resistance;The filter circuit
600 with the secondary side of the transformer T6 and connect.
The rectification circuit 700 is bridge rectifier 700.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (8)
1. a kind of circuit for power conversion for power analysis instrument power module, which is characterized in that including transformer, the first control
Circuit, second control circuit, the first controllable switch group, the second controllable switch group, filter circuit and rectification circuit;
The first controllable switch group includes the first controllable switch and the second controllable switch of concatenation;The second controllable switch group
Include the third controllable switch and the 4th controllable switch of ship concatenation;The first control circuit is connect with the first controllable switch group,
Break-make for controlling controllable switch in the first controllable switch group;The second control circuit is connect with the second controllable switch group,
Break-make for controlling controllable switch in the second controllable switch group;
First controllable switch is connect with the second controllable switch junction with the first end of the transformer primary side;Described
Three controllable switches are connect with the junction of the 4th controllable switch with the second end of the transformer primary side;
The secondary side of the transformer is connect by the filter circuit with the rectification circuit;
Wherein, the first control circuit includes the first PWM driving chips, the first shaping circuit, the second shaping circuit, the first point
Peak absorbing circuit and the second peak absorbing circuit;
The second control circuit includes the 2nd PWM driving chips, third shaping circuit, the 4th shaping circuit, the suction of third spike
Receive circuit and the 4th peak absorbing circuit;
The first PWM driving chips and the 2nd PWM driving chips include two input ports, are respectively used to receive mutually opposite
The first control signal and second control signal of phase;
First output end of the first PWM driving chips is connected by the control terminal of the first shaping circuit and the first controllable switch
It connects;The second output terminal of the first PWM driving chips is connect by the second shaping circuit with the control terminal of the second controllable switch;
The third output end and the first controllable switch of the first PWM driving chips are connected with the connecting pin of the second controllable switch, are used for
Output reference voltage is to the first controllable switch, the second controllable switch;
First output end of the 2nd PWM driving chips is connected by the control terminal of third shaping circuit and third controllable switch
It connects;The second output terminal of the 2nd PWM driving chips is connect by the 4th shaping circuit with the control terminal of the 4th controllable switch;
The third output end and third controllable switch of the 2nd PWM driving chips are connected with the connecting pin of the 4th controllable switch, are used for
Output reference voltage is to third controllable switch, the 4th controllable switch;
First peak absorbing circuit and first controllable switch simultaneously connect;Second peak absorbing circuit and described second
Controllable switch simultaneously connects;The third peak absorbing circuit and the third controllable switch simultaneously connect;4th peak absorbing circuit
With the 4th controllable switch and connect.
2. circuit for power conversion according to claim 1, which is characterized in that first peak absorbing circuit, described
Two peak absorbing circuits, third peak absorbing circuit and the 4th peak absorbing circuit include and two resistance connecing and with
This and connect two resistance concatenation a capacitance.
3. circuit for power conversion according to claim 1, which is characterized in that the first control circuit include in further include
First regulator circuit, the second regulator circuit;First output end of the first PWM driving chips passes through the first regulator circuit and institute
State the connection of the first shaping circuit;The second output terminal of the first PWM driving chips passes through the second regulator circuit and described second
Shaping circuit connects;
Further include third regulator circuit, the 4th regulator circuit in the second control circuit;The of the 2nd PWM driving chips
One output end is connect by third regulator circuit with the third shaping circuit;Second output of the 2nd PWM driving chips
End is connect by the 4th regulator circuit with the 4th shaping circuit;
First regulator circuit, the second regulator circuit, third regulator circuit, the 4th regulator circuit are used for the width in control signal
Value be more than designated value after connect.
4. circuit for power conversion according to claim 1, which is characterized in that first controllable switch, second controllably open
It closes, third controllable switch and the 4th controllable switch are field-effect tube;
The drain electrode of first controllable switch for receiving input current, the source electrode of the first controllable switch and the second controllable switch
Drain electrode connection, the source electrode ground connection of the second controllable switch;The source electrode of first controllable switch also with the transformer primary side
One end connects;
The drain electrode of the third controllable switch for receiving input current, the source electrode of third controllable switch and the 4th controllable switch
Drain electrode connection, the source electrode ground connection of the 4th controllable switch;The source electrode of 4th controllable switch also with the transformer primary side
Two ends connect.
5. circuit for power conversion according to claim 1, which is characterized in that the circuit for power conversion further includes that electric current is adopted
Collector;The current collection circuit is arranged between the transformer primary side and the first controllable switch group, or,
The current collection circuit is arranged between the transformer primary side and the second controllable switch group.
6. circuit for power conversion according to claim 5, which is characterized in that the current collection circuit is inductance.
7. circuit for power conversion according to claim 1, which is characterized in that the first electricity that the filter circuit includes and connects
Resistance, second resistance, 3rd resistor and the 4th resistance, and with the first resistor, second resistance, 3rd resistor and the 4th resistance
First capacitance of concatenation;The secondary side of the filter circuit and the transformer simultaneously connects.
8. circuit for power conversion according to claim 1, which is characterized in that the rectification circuit is bridge rectifier.
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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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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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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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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