CN107317501A - High frequency transformer secondary parallel balancing circuitry - Google Patents
High frequency transformer secondary parallel balancing circuitry Download PDFInfo
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- CN107317501A CN107317501A CN201710748959.7A CN201710748959A CN107317501A CN 107317501 A CN107317501 A CN 107317501A CN 201710748959 A CN201710748959 A CN 201710748959A CN 107317501 A CN107317501 A CN 107317501A
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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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac 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
- H02M7/537—Conversion of dc power input into ac 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, e.g. single switched pulse inverters
-
- 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
- H02M3/33569—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 having several active switching elements
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention discloses high frequency transformer secondary parallel balancing circuitry, by the 7th pin positions in transformer, electric capacity is set, rectification circuit index for optimizing whole circuit, so as to simplify PCB layout, realize power-balance, cost is reduced again, simplifies circuit, is laid a solid foundation to develop more powerful inverter.
Description
Technical field
The present invention relates to field transformer, and in particular to high frequency transformer secondary parallel balancing circuitry.
Background technology
The background of related to the present invention is illustrated below, but these explanations might not constitute the existing of the present invention
Technology.
Inverter is a kind of DC to AC transformer, and it is a kind of process of voltage inversion with converter in fact；It by
Inverter bridge, control logic and filter circuit composition；It is widely used in air-conditioning, home theater, electric wheel, electric tool, sewing
Machine, DVD, VCD, computer, TV, washing machine, smoke exhaust ventilator, refrigerator, video recorder, massager, fan, illumination etc.；Abroad because
The popularity rate higher outgoing work or out on tours of automobile are that available inverter connection battery drives electrical equipment and various instrument works
Make；The vehicle-mounted inversion exported by cigar lighter is 20W, 40W, 80W, 120W to 150W power requirements；Larger power inverting again
Power supply will be connected on storage battery by connecting line；The output end that household electrical appliance are connected to power supply changeover device can just be used in automobile
Various electrical equipment；Workable electrical equipment has：Mobile phone, notebook computer, DV, camera, illuminating lamp, electric shaver,
CD machines, game machine, palm PC, electric tool, car refrigerator and various tourisms, camp, medical first aid electrical equipment etc..
Usual inverter prime DCDC carries out power-balance by the way of transformer series, and this method is simple,
But the universal difference of transformer, such as 500W inverters secondary tandem are using two transformers, but 1000W must must use two groups
Series connection, two groups of methods in parallel, this needs two-way rectification to realize, this improves the cost of product, if 2000W, rectified current
Lu Genghui is double, and so influence of arrangement to circuit is very big.
The content of the invention
It is an object of the invention to propose high frequency transformer secondary parallel balancing circuitry, the rectification circuit branch of circuit is optimized
Number, simplifies PCB layouts, that is, realizes power-balance, cost is reduced again, simplify circuit.
According to the high frequency transformer secondary parallel balancing circuitry of the present invention, including DC relay, the first of the direct current
Pin and three-prong are connected to the first high-voltage power supply, and the 5th pin of the DC relay and the second pin are mutually interconnected
Connect, the second pin of the DC relay is connected to one end of the 108th electric capacity, the 6th pipe of the DC relay
Pin is connected to the other end of the 108th electric capacity, and the 4th pin of the DC relay is connected to the 109th electric capacity
One end, the other end of the 109th electric capacity connects the first high-voltage power supply；One end of 108th electric capacity is also
It is connected to one end of the 13rd inductance, the other end of the 13rd inductance connects the negative pole of the 39th diode, described the
The negative pole of 39 diodes is also connected with the negative pole of the 36th diode, and the positive pole of the 39th diode is connected to
The negative pole of 46 diodes, the positive pole connection H_GND of the 46th diode；The negative pole of 36th diode
The negative pole of the 47th diode is connected to, the positive pole of the 47th diode is being connected to the 46th diode just
Pole, the positive pole of the 47th diode is additionally coupled to the other end of the 108th electric capacity；46th diode
Negative pole be additionally coupled to one end of the 106th electric capacity and the 7th pin of the 7th transformer, the 47th diode
Negative pole is additionally coupled to one end of the 1 117 electric capacity and the 9th pin of the 5th transformer, and the 5th transformer and the 7th become
5th pin of depressor and the 6th pin are all hanging, the 7th pipe of the transformer of another termination the 5th of the 106th electric capacity
Pin, the other end of 1 117 electric capacity connects the 9th pin of the 7th transformer；Second pipe of the 5th transformer
Pin connects+100V power supplys, and the first pin of the 5th transformer is connected to one end of the 1 113 electric capacity, described 1 110
The other ends of three electric capacity connects one end of the 121st resistance, and the other end of the 121st resistance is connected to the
The three-prong of five transformers, one end of 1 113 electric capacity is additionally coupled to the drain electrode of the 16th FET, described
The grid of 16th FET is connected to one end of the 124th resistance, the other end of the 124th resistance
Optocoupler is connected to, the source electrode of the 16th FET is connected to one end of the 82nd resistance, the 82nd resistance
One end be additionally coupled to one end of the 80th resistance, the other end of the 82nd resistance is connected to the one of the 83rd resistance
End, one end of the 83rd resistance is additionally coupled to conncct interfaces；The other end of 83rd resistance is additionally coupled to
One end of 81st resistance, the other end of the 81st resistance and the 80th resistance is all grounded, the 81st electricity
One end of resistance is additionally coupled to the source electrode of the 17th FET, and the drain electrode of the 17th FET is connected to the 120th
The other end of one resistance, the grid of the 17th FET is then connected to one end of the 125th resistance, described
The other end of 125 resistance is connected to optocoupler；Second pin of the 7th transformer connects+100V power supplys, the described 7th
First pin of transformer connects one end of the 1 119 electric capacity, the other end connection the 100th of 1 119 electric capacity
One end of 30 resistance, the other end of the 130th resistance is connected to the three-prong of the 7th transformer, described first
One end of a hundred or so nine electric capacity is additionally coupled to the drain electrode of the 20th FET, the grid connection first of the 20th FET
One end of 132 resistance, the other end of the 132nd resistance is connected to optocoupler, the 130th resistance
The other end be connected to the drain electrode of the 21st FET, the source of the 21st FET and the 20th FET
Pole is all grounded, and the grid of the 21st FET is additionally coupled to one end of the 133rd resistance, the described 100th
The other end of 33 resistance is connected to optocoupler；One end of 109th electric capacity is connected to H_GND*, the described 100th
The other end of 09 electric capacity is then connected to one end of the 14th inductance, and the other end of the 14th inductance is connected to the 38th
The negative pole of diode, the negative pole of the 38th diode is additionally coupled to the negative pole of the 37th diode, the described 30th
The positive pole of eight diodes is then connected to the negative pole of the 48th diode, and the positive pole of the 37th diode is then connected to
The negative pole of 45 diodes, the positive pole of the 45th diode and the 48th diode all meets H_GND*, described
The negative pole of 45 diodes is additionally coupled to one end of the 1 118 electric capacity and the 9th pin of the 6th transformer, the described 4th
The negative pole of 18 diodes is additionally coupled to the 7th pin of the 8th transformer and one end of the 107th electric capacity, and the described 6th becomes
The 5th pin and the 6th pin of depressor and the 8th transformer are all hanging, the second pipe of the 6th transformer and the 8th transformer
Pin all connects+100V power supplys；First pin of the 6th transformer connects one end of the 120th resistance, the described 102nd
The other end of ten resistance connects one end of the 1 112 electric capacity, and the other end of 1 112 electric capacity is then connected to the 6th
The three-prong of transformer, the other end of 1 112 electric capacity is additionally coupled to the drain electrode of the 18th FET, described
The source ground of 18th FET, the grid of the 18th FET is connected to the one of the 126th resistance
End, the other end of the 126th resistance is connected to optocoupler, and one end of the 120th resistance is additionally coupled to the
The drain electrode of 19 FETs, the source ground of the 19th FET, the grid connection of the 19th FET
To one end of the 123rd resistance, the other end of the 123rd resistance is connected to optocoupler；8th transformation
First pin of device is connected to one end of the 131st resistance, and the other end of the 131st resistance is connected to
One end of 120 electric capacity, the other end of the 120th electric capacity is connected to the three-prong of the 8th transformer, described
The other end of 120th electric capacity is additionally coupled to the drain electrode of the 22nd FET, the source of the 22nd FET
Pole is grounded, and the grid of the 22nd FET is connected to one end of the 134th resistance, the described 130th
The other end of four resistance is connected to optocoupler；One end of 131st resistance is additionally coupled to the 23rd FET
Drain electrode, the source ground of the 23rd FET, the grid of 23 FET is then connected to the 103rd
One end of 15 resistance, the other end of the 135th resistance is connected to optocoupler.
Preferably, the 16th FET, the 17th FET, the 18th FET, the 19th effect
Ying Guan, the 20th FET, the 21st FET, the source electrode of the 22nd FET and the 23rd FET
All reverse parallel connection has diode between drain electrode, for preventing high-voltage breakdown FET.
Preferably, one end of the 124th resistance connects the positive pole of the 32nd diode, described first
The other end of 124 resistance then connects the negative pole of the 32nd diode；One end connection of 125th resistance
The positive pole of 33rd diode, the other end of the 125th resistance then connects the negative pole of the 33rd diode；
One end of 126th resistance connects the positive pole of the 30th diode, the other end of the 126th resistance
Then connect the negative pole of the 30th diode；One end of 123rd resistance connects the positive pole of the 31st diode,
The other end of 123rd resistance then connects the negative pole of the 31st diode；132nd resistance
One end connects the positive pole of the 34th diode, and the other end of the 132nd resistance then connects the 34th diode
Negative pole；One end of 133rd resistance connects the positive pole of the 35th diode, the 133rd electricity
The other end of resistance then connects the negative pole of the 35th diode；One end of 134th resistance connects the 6th diode
Positive pole, the other end of the 134th resistance then connects the negative pole of the 6th diode；135th electricity
One end of resistance connects the positive pole of the 7th diode, and the other end of the 135th resistance then connects the negative of the 7th diode
Pole.
Preferably,+100V the power supplys are also sequentially connected the 34th electric capacity, the 35th electric capacity, the 36th electricity
Appearance, one end of the 37th electric capacity, the 34th electric capacity, the 35th electric capacity, the 36th electric capacity, the 37th electric capacity
The other end be all grounded, for filtering.
The present invention sets electric capacity by the 7th pin positions in transformer, and the rectification circuit for optimizing whole circuit refers to
Number, so as to simplify PCB layout, that is, realizes power-balance, and cost is reduced again, simplifies circuit, more powerful inverse to develop
Become device to lay a solid foundation.
Compared with prior art, the present invention is advantageous in that：1）Optimize the rectification circuit number of circuit；2）Simplify
PCB layout；3）Realize power-balance；4）Cost is reduced, simplifies circuit；5）Heavily fortified point is laid to develop more powerful inverter
Real basis.
Brief description of the drawings
By the embodiment part of offer referring to the drawings, the features and advantages of the present invention will become more
It is readily appreciated that, in the accompanying drawings.
Fig. 1 is the circuit theory diagrams of the high frequency transformer secondary parallel balancing circuitry of the present invention.
Embodiment
The illustrative embodiments to the present invention are described in detail with reference to the accompanying drawings；Illustrative embodiments are retouched
State merely for the sake of demonstration purpose, and be definitely not to the present invention and its application or the limitation of usage.
See Fig. 1, high frequency transformer secondary parallel balancing circuitry, including DC relay DL1, the first of the direct current DL1
Pin and three-prong are connected to the first high-voltage power supply HV, the 5th pin and the second pin of the DC relay DL1
Be connected with each other, the second pin of the DC relay DL1 is connected to the 108th electric capacity C108 one end, the direct current after
Electrical equipment DL1 the 6th pin is connected to the 108th electric capacity C108 other end, the 4th pin of the DC relay DL1
The 109th electric capacity C109 one end is connected to, the other end of the 109th electric capacity C109 connects the first high voltage electricity
Source HV；One end of the 108th electric capacity C108 is additionally coupled to the 13rd inductance L13 one end, the 13rd inductance
The L13 other end connects the 39th diode D39 negative pole, and the negative pole of the 39th diode D39 is also connected with the 3rd
16 diode D36 negative pole, the positive pole of the 39th diode D39 is connected to the 46th diode D46 negative pole,
The positive pole connection H_GND of the 46th diode D46；The negative pole of the 36th diode D36 is connected to the 40th
Seven diode D47 negative pole, the positive pole of the 47th diode D47 is connected to the 46th diode D46 positive pole, institute
The positive pole for stating the 47th diode D47 is additionally coupled to the 108th electric capacity C108 other end；46th pole
Pipe D46 negative pole is additionally coupled to the 106th electric capacity C106 one end and the 7th transformer T7 the 7th pin, the described 4th
17 diode D47 negative pole is additionally coupled to the 1 117 electric capacity C117 one end and the 5th transformer T5 the 9th pin,
The 5th pin and the 6th pin of the 5th transformer T5 and the 7th transformer T7 is all hanging, the 106th electric capacity
The C106 transformer T5 of another termination the 5th the 7th pin, the other end connection the 7th of the 1 117 electric capacity C117 becomes
Depressor T7 the 9th pin；The second pin of the 5th transformer T5 connects+100V power supplys, the first of the 5th transformer T5
Pin is connected to the 1 113 electric capacity C113 one end, the other end connection the 102nd of the 1 113 electric capacity C113
11 resistance R121 one end, the other end of the 121st resistance R121 is connected to the 5th transformer T5 the 3rd pipe
Pin, one end of the 1 113 electric capacity C113 is additionally coupled to the 16th FET Q16 drain electrode, the 16th effect
Should pipe Q16 grid be connected to the 124th resistance R124 one end, the 124th resistance R124's is another
End is connected to optocoupler, and the source electrode of the 16th FET Q16 is connected to the 82nd resistance R82 one end, the described 8th
12 resistance R82 one end is additionally coupled to the 80th resistance R80 one end, the other end connection of the 82nd resistance R82
To the 83rd resistance R83 one end, one end of the 83rd resistance R83 is additionally coupled to conncct interfaces；Described 8th
The 13 resistance R83 other end is additionally coupled to the 81st resistance R81 one end, the 81st resistance R81 and the 80th
The resistance R80 other end is all grounded, and one end of the 81st resistance R81 is additionally coupled to the 17th FET Q17 source
Pole, the drain electrode of the 17th FET Q17 is connected to the 121st resistance R121 other end, described 17th
Effect pipe Q17 grid is then connected to the 125th resistance R125 one end, the 125th resistance R125's
The other end is connected to optocoupler；The second pin of the 7th transformer T7 connects+100V power supplys, the first of the 7th transformer T7
Pin connects the 1 119 electric capacity C119 one end, the other end connection the 130th of the 1 119 electric capacity C119
Resistance R130 one end, the other end of the 130th resistance R130 is connected to the 7th transformer T7 three-prong, institute
The one end for stating the 1 119 electric capacity C119 is additionally coupled to the 20th FET Q20 drain electrode, the 20th FET
Q20 grid connects the 132nd resistance R132 one end, the other end connection of the 132nd resistance R132
To optocoupler, the other end of the 130th resistance R130 is connected to the 21st FET Q21 drain electrode, described second
The source electrode of 11 FET Q21 and the 20th FET is all grounded, and the grid of the 21st FET Q21 also connects
The 133rd resistance R133 one end is connected to, the other end of the 133rd resistance R133 is connected to optocoupler；Institute
The one end for stating the 109th electric capacity C109 is connected to H_GND*, and the other end of the 109th electric capacity C109 is then connected to
14th inductance L14 one end, the other end of the 14th inductance L14 is connected to the 38th diode D38 negative pole, institute
The negative pole for stating the 38th diode D38 is additionally coupled to the 37th diode D37 negative pole, the 38th diode
D38 positive pole is then connected to the 48th diode D48 negative pole, and the positive pole of the 37th diode D37 is then connected to
45th diode D45 negative pole, the positive pole of the 45th diode D45 and the 48th diode D48 all meets H_
GND*, the 45th diode D45 negative pole are additionally coupled to the 1 118 electric capacity C118 one end and the 6th transformer
T6 the 9th pin, the negative pole of the 48th diode D48 is additionally coupled to the 8th transformer T8 the 7th pin and first
107 electric capacity C107 one end, the 5th pin and the 6th pin of the 6th transformer T6 and the 8th transformer T8 all hang
Sky, the second pin of the 6th transformer T6 and the 8th transformer T8 all connects+100V power supplys；The of the 6th transformer T6
One pin connects the 120th resistance R120 one end, the other end connection 1 110 of the 120th resistance R120
Two electric capacity C112 one end, the other end of the 1 112 electric capacity C112 is then connected to the 6th transformer T6 the 3rd pipe
Pin, the other end of the 1 112 electric capacity C112 is additionally coupled to the 18th FET Q18 drain electrode, described 18th
Effect pipe Q18 source ground, the grid of the 18th FET Q18 is connected to the one of the 126th resistance R126
End, the other end of the 126th resistance R126 is connected to optocoupler, and one end of the 120th resistance R120 is also
It is connected to the 19th FET Q19 drain electrode, the source ground of the 19th FET Q19, the 19th effect
Should pipe Q19 grid be connected to the 123rd resistance R123 one end, the 123rd resistance R123's is another
End is connected to optocoupler；The first pin of the 8th transformer T8 is connected to the 131st resistance R131 one end, described
The 131st resistance R131 other end is connected to the 120th electric capacity C120 one end, the 120th electric capacity
The C120 other end is connected to the 8th transformer T8 three-prong, and the other end of the 120th electric capacity C120 is also connected with
To the 22nd FET Q22 drain electrode, the source ground of the 22nd FET Q22, described 22nd
Effect pipe Q22 grid is connected to the 134th resistance R134 one end, and the 134th resistance R134's is another
One end is connected to optocoupler；One end of the 131st resistance R131 is additionally coupled to the 23rd FET Q23 leakage
Pole, the source ground of the 23rd FET Q23, the grid of the 23 FET Q23 is then connected to first
135 resistance R135 one end, the other end of the 135th resistance R135 is connected to optocoupler；Described 16th
FET Q16, the 17th FET Q17, the 18th FET Q18, the 19th FET Q19, the 20th effect
Should pipe Q20, the 21st FET Q21, the 22nd FET Q22 and the 23rd FET Q23 source electrode and
All reverse parallel connection has diode between drain electrode；One end of the 124th resistance R124 connects the 32nd diode
D32 positive pole, the other end of the 124th resistance R124 then connects the 32nd diode D32 negative pole；It is described
125th resistance R125 one end connects the 33rd diode D33 positive pole, the 125th resistance
The R125 other end then connects the 33rd diode D33 negative pole；One end connection of the 126th resistance R126
30th diode D30 positive pole, the other end of the 126th resistance R126 then connects the 30th diode D30's
Negative pole；One end of the 123rd resistance R123 connects the 31st diode D31 positive pole, the described 120th
The three resistance R123 other end then connects the 31st diode D31 negative pole；The one of the 132nd resistance R132
The 34th diode D34 of end connection positive pole, the other end of the 132nd resistance R132 then connects the 34th
Diode D34 negative pole；One end of the 133rd resistance R133 connects the 35th diode D35 positive pole, institute
The other end for stating the 133rd resistance R133 then connects the 35th diode D35 negative pole；Described 134th
Resistance R134 one end connects the 6th diode D6 positive pole, and the other end of the 134th resistance R134 then connects the
Six diode D6 negative pole；One end of the 135th resistance R135 connects the 7th diode D7 positive pole, and described the
The 135 resistance R135 other end then connects the 7th diode D7 negative pole；+ 100V the power supplys are also sequentially connected
34 electric capacity C34, the 35th electric capacity C35, the 36th electric capacity C36, the 37th electric capacity C37 one end, the described 3rd
14 electric capacity C34, the 35th electric capacity C35, the 36th electric capacity C36, the 37th electric capacity C37 other end are all grounded.
In present embodiment, inverter prime DCDC carries out power-balance by the way of transformer series, this
Method is simple, but the universal difference of transformer, such as 500W inverters secondary tandem are using two transformers, but 1000W is necessary
Must be using two groups of series connection, two groups of methods in parallel, this needs two-way rectification to realize, this improves the cost of product, if
2000W, rectification circuit more can be double, and so influence of arrangement to circuit is very big；The present invention uses transformer secondary output series electrical
The method of appearance realizes the power-balance of high frequency transformer, optimizes the rectification circuit number of circuit, simplifies PCB layouts, i.e.,
Power-balance is realized, cost is reduced again, simplifies circuit, is laid a solid foundation to develop more powerful inverter.
Although with reference to illustrative embodiments, invention has been described, but it is to be understood that the present invention does not limit to
The embodiment that Yu Wenzhong is described in detail and shown, in the case of without departing from claims limited range, this
Art personnel can make various changes to the illustrative embodiments.
Claims (4)
1. high frequency transformer secondary parallel balancing circuitry, it is characterised in that：Including DC relay（DL1）, the direct current
（DL1）The first pin and three-prong be connected to the first high-voltage power supply（HV）, the DC relay（DL1）The 5th
Pin and the second pin are connected with each other, the DC relay（DL1）The second pin be connected to the 108th electric capacity
（C108）One end, the DC relay（DL1）The 6th pin be connected to the 108th electric capacity（C108）The other end,
The DC relay（DL1）The 4th pin be connected to the 109th electric capacity（C109）One end, the described 109th
Electric capacity（C109）The other end connect the first high-voltage power supply（HV）；108th electric capacity（C108）One end be also connected with
To the 13rd inductance（L13）One end, the 13rd inductance（L13）The other end connect the 39th diode（D39）'s
Negative pole, the 39th diode（D39）Negative pole be also connected with the 36th diode（D36）Negative pole, the described 30th
Nine diodes（D39）Positive pole be connected to the 46th diode（D46）Negative pole, the 46th diode（D46）'s
Positive pole connects H_GND；36th diode（D36）Negative pole be connected to the 47th diode（D47）Negative pole, institute
State the 47th diode（D47）Positive pole be connected to the 46th diode（D46）Positive pole, the 47th diode
（D47）Positive pole be additionally coupled to the 108th electric capacity（C108）The other end；46th diode（D46）Negative pole
It is additionally coupled to the 106th electric capacity（C106）One end and the 7th transformer（T7）The 7th pin, the 47th pole
Pipe（D47）Negative pole be additionally coupled to the 1 117 electric capacity（C117）One end and the 5th transformer（T5）The 9th pin, institute
State the 5th transformer（T5）With the 7th transformer（T7）The 5th pin and the 6th pin it is all hanging, the 106th electric capacity
（C106）The transformer of another termination the 5th（T5）The 7th pin, 1 117 electric capacity（C117）The other end connection
7th transformer（T7）The 9th pin；5th transformer（T5）The second pin connect+100V power supplys, the 5th transformation
Device（T5）The first pin be connected to the 1 113 electric capacity（C113）One end, 1 113 electric capacity（C113）It is another
One end connects the 121st resistance（R121）One end, the 121st resistance（R121）The other end be connected to
5th transformer（T5）Three-prong, 1 113 electric capacity（C113）One end be additionally coupled to the 16th FET
（Q16）Drain electrode, the 16th FET（Q16）Grid be connected to the 124th resistance（R124）One end,
124th resistance（R124）The other end be connected to optocoupler, the 16th FET（Q16）Source electrode connect
It is connected to the 82nd resistance（R82）One end, the 82nd resistance（R82）One end be additionally coupled to the 80th resistance
（R80）One end, the 82nd resistance（R82）The other end be connected to the 83rd resistance（R83）One end, described
83 resistance（R83）One end be additionally coupled to conncct interfaces；83rd resistance（R83）The other end be also connected with
To the 81st resistance（R81）One end, the 81st resistance（R81）With the 80th resistance（R80）The other end all connect
Ground, the 81st resistance（R81）One end be additionally coupled to the 17th FET（Q17）Source electrode, described 17th
Effect pipe（Q17）Drain electrode be connected to the 121st resistance（R121）The other end, the 17th FET（Q17）
Grid be then connected to the 125th resistance（R125）One end, the 125th resistance（R125）The other end
It is connected to optocoupler；7th transformer（T7）The second pin connect+100V power supplys, the 7th transformer（T7）First pipe
Pin connects the 1 119 electric capacity（C119）One end, 1 119 electric capacity（C119）The other end connection the 103rd
Ten resistance（R130）One end, the 130th resistance（R130）The other end be connected to the 7th transformer（T7）The 3rd
Pin, 1 119 electric capacity（C119）One end be additionally coupled to the 20th FET（Q20）Drain electrode, described second
Ten FETs（Q20）Grid connect the 132nd resistance（R132）One end, the 132nd resistance
（R132）The other end be connected to optocoupler, the 130th resistance（R130）The other end be connected to the 21st field-effect
Pipe（Q21）Drain electrode, the 21st FET（Q21）All it is grounded with the source electrode of the 20th FET, described second
11 FETs（Q21）Grid be additionally coupled to the 133rd resistance（R133）One end, the described 133rd
Resistance（R133）The other end be connected to optocoupler；109th electric capacity（C109）One end be connected to H_GND*, it is described
109th electric capacity（C109）The other end be then connected to the 14th inductance（L14）One end, the 14th inductance（L14）
The other end be connected to the 38th diode（D38）Negative pole, the 38th diode（D38）Negative pole be additionally coupled to
37th diode（D37）Negative pole, the 38th diode（D38）Positive pole be then connected to the 48th diode
（D48）Negative pole, the 37th diode（D37）Positive pole be then connected to the 45th diode（D45）Negative pole, institute
State the 45th diode（D45）With the 48th diode（D48）Positive pole all meet H_GND*, the 45th diode
（D45）Negative pole be additionally coupled to the 1 118 electric capacity（C118）One end and the 6th transformer（T6）The 9th pin, it is described
48th diode（D48）Negative pole be additionally coupled to the 8th transformer（T8）The 7th pin and the 107th electric capacity
（C107）One end, the 6th transformer（T6）With the 8th transformer（T8）The 5th pin and the 6th pin it is all hanging, institute
State the 6th transformer（T6）With the 8th transformer（T8）The second pin all connect+100V power supplys；6th transformer（T6）'s
First pin connects the 120th resistance（R120）One end, the 120th resistance（R120）Other end connection the
112 electric capacity（C112）One end, 1 112 electric capacity（C112）The other end be then connected to the 6th transformer
（T6）Three-prong, 1 112 electric capacity（C112）The other end be additionally coupled to the 18th FET（Q18）'s
Drain electrode, the 18th FET（Q18）Source ground, the 18th FET（Q18）Grid be connected to
126 resistance（R126）One end, the 126th resistance（R126）The other end be connected to optocoupler, it is described
120th resistance（R120）One end be additionally coupled to the 19th FET（Q19）Drain electrode, the 19th field-effect
Pipe（Q19）Source ground, the 19th FET（Q19）Grid be connected to the 123rd resistance（R123）'s
One end, the 123rd resistance（R123）The other end be connected to optocoupler；8th transformer（T8）First pipe
Pin is connected to the 131st resistance（R131）One end, the 131st resistance（R131）The other end be connected to
120th electric capacity（C120）One end, the 120th electric capacity（C120）The other end be connected to the 8th transformer
（T8）Three-prong, the 120th electric capacity（C120）The other end be additionally coupled to the 22nd FET（Q22）
Drain electrode, the 22nd FET（Q22）Source ground, the 22nd FET（Q22）Grid connect
It is connected to the 134th resistance（R134）One end, the 134th resistance（R134）The other end be connected to light
Coupling；131st resistance（R131）One end be additionally coupled to the 23rd FET（Q23）Drain electrode, described
23 FETs（Q23）Source ground, 23 FET（Q23）Grid be then connected to the 130th
Five resistance（R135）One end, the 135th resistance（R135）The other end be connected to optocoupler.
2. high frequency transformer secondary parallel balancing circuitry according to claim 1, it is characterised in that：16th effect
Ying Guan（Q16）, the 17th FET（Q17）, the 18th FET（Q18）, the 19th FET（Q19）, the 20th
FET（Q20）, the 21st FET（Q21）, the 22nd FET（Q22）With the 23rd FET
（Q23）Source electrode and drain electrode between all reverse parallel connections have diode.
3. high frequency transformer secondary parallel balancing circuitry according to claim 1, it is characterised in that：Described 120th
Four resistance（R124）One end connect the 32nd diode（D32）Positive pole, the 124th resistance（R124）'s
The other end then connects the 32nd diode（D32）Negative pole；125th resistance（R125）One end connection the
33 diodes（D33）Positive pole, the 125th resistance（R125）The other end then connect the 33rd pole
Pipe（D33）Negative pole；126th resistance（R126）One end connect the 30th diode（D30）Positive pole, institute
State the 126th resistance（R126）The other end then connect the 30th diode（D30）Negative pole；Described 120th
Three resistance（R123）One end connect the 31st diode（D31）Positive pole, the 123rd resistance（R123）'s
The other end then connects the 31st diode（D31）Negative pole；132nd resistance（R132）One end connection the
34 diodes（D34）Positive pole, the 132nd resistance（R132）The other end then connect the 34th pole
Pipe（D34）Negative pole；133rd resistance（R133）One end connect the 35th diode（D35）Positive pole,
133rd resistance（R133）The other end then connect the 35th diode（D35）Negative pole；Described 100th
34 resistance（R134）One end connect the 6th diode（D6）Positive pole, the 134th resistance（R134）It is another
One end then connects the 6th diode（D6）Negative pole；135th resistance（R135）One end connect the 7th diode
（D7）Positive pole, the 135th resistance（R135）The other end then connect the 7th diode（D7）Negative pole.
4. high frequency transformer secondary parallel balancing circuitry according to claim 3, it is characterised in that：+ 100V the power supplys
Also it is sequentially connected the 34th electric capacity（C34）, the 35th electric capacity（C35）, the 36th electric capacity（C36）, the 37th electric capacity
（C37）One end, the 34th electric capacity（C34）, the 35th electric capacity（C35）, the 36th electric capacity（C36）, the 30th
Seven electric capacity（C37）The other end be all grounded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748959.7A CN107317501A (en) | 2017-08-28 | 2017-08-28 | High frequency transformer secondary parallel balancing circuitry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748959.7A CN107317501A (en) | 2017-08-28 | 2017-08-28 | High frequency transformer secondary parallel balancing circuitry |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050259451A1 (en) * | 2002-04-30 | 2005-11-24 | Fall Mbaye | Switching power supply with a snubber circuit |
| CN102347704A (en) * | 2010-07-29 | 2012-02-08 | 上海儒竞电子科技有限公司 | Low voltage push-pull inversion direct DC-AC conversion circuit |
| CN203339961U (en) * | 2013-07-19 | 2013-12-11 | 北京益弘泰科技发展有限责任公司 | Power supply circuit |
| CN105337505A (en) * | 2015-11-12 | 2016-02-17 | 深圳市泰昂能源科技股份有限公司 | DC/DC conversion circuit and power supply device |
| CN205142045U (en) * | 2015-11-27 | 2016-04-06 | 广东美的制冷设备有限公司 | Photovoltaic transfer circuit and photovoltaic power equipment |
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2017
- 2017-08-28 CN CN201710748959.7A patent/CN107317501A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050259451A1 (en) * | 2002-04-30 | 2005-11-24 | Fall Mbaye | Switching power supply with a snubber circuit |
| CN102347704A (en) * | 2010-07-29 | 2012-02-08 | 上海儒竞电子科技有限公司 | Low voltage push-pull inversion direct DC-AC conversion circuit |
| CN203339961U (en) * | 2013-07-19 | 2013-12-11 | 北京益弘泰科技发展有限责任公司 | Power supply circuit |
| CN105337505A (en) * | 2015-11-12 | 2016-02-17 | 深圳市泰昂能源科技股份有限公司 | DC/DC conversion circuit and power supply device |
| CN205142045U (en) * | 2015-11-27 | 2016-04-06 | 广东美的制冷设备有限公司 | Photovoltaic transfer circuit and photovoltaic power equipment |
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