CN204810156U

CN204810156U - Hand over two -way voltage regulator of bridge type copped wave

Info

Publication number: CN204810156U
Application number: CN201520221316.3U
Authority: CN
Inventors: 龚秋声
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-04-06
Filing date: 2015-04-06
Publication date: 2015-11-25
Anticipated expiration: 2025-04-06

Abstract

Hand over two -way voltage regulator of bridge type copped wave belongs to the power electronic ACAC converter, constitute by 4 two -way electronic switch S1-S4 and regulation control circuit, two -way electronic switch S1, S3 is by the reverse two -way electronic switch who contacts and constitute of 2 triodes taking the diode, two -way electronic switch S2, S4 connects the two -way electronic switch at 42 ends of diode bridge type rectifier circuit output by the collecting electrode of 1 triode and projecting pole, 4 individual two -way electronic switch S1-S4 connects into the bridge type, by two -way electronic switch S1, S2 and S4 constitute the interchange chopper control circuit of 1 homophase output, by two -way electronic switch S3, S4 and S2 constitute 1 inverted output's interchange chopper control circuit in addition, 4 two -way electronic switch of regulation control realize the two -way pressure regulating of output. Exchange the alternating voltage of chopper circuit output copped wave voltage process LC post -filter, be exactly and input alternating voltage same phase and the adjustable alternating voltage of antiphase. Consequently, it has wide application value in the equipment such as voltage regulator power of compensation formula.

Description

Hand over bridge-type copped wave bidirectional pressure regulating device

[one] technical field the design relates to AC chopping regulating circuit, and the AC chopping voltage especially relating to AC chopping voltage output two ends can positive direction export, the bridge-type waves AC control regulating circuit that can export in the other direction again.

[two] the AC chopping regulating circuit that background technology is present can only export the AC chopping voltage identical with input ac voltage phase place, when it is for high-power compensation type AC regulated power supply, paraphase electronic switch must be increased before AC-input voltage or after interchange output chopping voltage and could realize 2 directions adjustment bucking voltages, last year, same inventor invented a kind of AC chopping bidirectional pressure regulating circuit realizing 2 directions adjustment bucking voltages without electronic switch commutation, but 1 must be had before alternating-current chopper circuit to provide two AC power with centre tapped autotransformer.

[three] object of summary of the invention the design cancels with centre tapped autotransformer, the AC chopping adjustable voltage of design output 2 end phase difference 180 degree.The design adopts 2 bidirectional electronic switch to substitute has centre tapped autotransformer can reduce friendship bridge-type copped wave bidirectional pressure regulating device volume and weight, and joint economizes Copper material and steel.The design adopts 4 bidirectional electronic switch to connect into bridge-type for achieving the above object.

Bridge-type copped wave bidirectional pressure regulating device is handed in the friendship of the design, be made up of 4 bidirectional electronic switch S1 ~ S4 and adjusting control circuit thereof, it is characterized in that: 2 bidirectional electronic switch S1, S3 is connected to 1 transistor collector and emitter by 1 diode cathode and anode, another 1 diode cathode and anode are connected to another 1 transistor collector and emitter, the bidirectional electronic switch of differential concatenation composition, another 2 bidirectional electronic switch S3, S4 is connected to by 1 transistor collector and emitter the bidirectional electronic switch that 4 diode bridge rectifier circuits export 2 ends, 4 bidirectional electronic switch S1 ~ S4 connect into bridge circuit, there are 2 ac voltage inputs (1, 2), 2 AC chopping voltage output ends (3, 4), by bidirectional electronic switch S1, S2, the AC chopping regulating circuit of S4 composition, at 2 AC chopping voltage output ends (3, 4) obtain and 2 ac voltage inputs (1, 2) synchronous adjustable AC chopping voltage, by bidirectional electronic switch S3, S4, another 1 AC chopping regulating circuit of S2 composition, also at 2 AC chopping voltage output ends (3, 4) obtain and 2 ac voltage inputs (1, 2) the adjustable AC chopping voltage of antiphase.

[four] appended drawings is the friendship friendship bridge-type copped wave bidirectional pressure regulating device main circuit diagram of the design.

[five] embodiment accompanying drawing is known: it is made up of 4 bidirectional electronic switch S1 ~ S4 and control circuit thereof, 2 bidirectional electronic switch S1, the bidirectional electronic switch that S3 is made up of 2 triode anti-series of band diode, another 2 bidirectional electronic switch S2, S4 is connected to by 1 transistor collector and emitter the bidirectional electronic switch that 4 diode bridge rectifier circuits export 2 ends, 4 bidirectional electronic switch S1 ~ S4 connect into bridge-type alternating-current chopper circuit, there are 2 ac voltage inputs (1, 2) and 2 AC chopping voltage output ends (3, 4), by D1, D2 and V1, V2 forms bidirectional electronic switch S1, by D3, D4 and V3, V4 forms bidirectional electronic switch S3, by D5 ~ D8 and V5, composition bidirectional electronic switch S2, bidirectional electronic switch S4 is formed by D9 ~ D12 and V6, its operation principle is as follows:

1) bidirectional electronic switch S1 and S2 forms 1 by S1 master control, the AC chopping regulating circuit of S2 afterflow, when the full conducting of bidirectional electronic switch S4 interchange positive-negative half-cycle, 1 input (2) is connected with the short circuit of 1 output (4), exports 2 ends (3,4) at bridge-type alternating-current chopper circuit and export the AC chopping adjustable voltage identical with 2 ac voltage inputs (1,2) phase place.

2) bidirectional electronic switch S3 and S4 form another 1 by S3 master control, the AC chopping regulating circuit of S4 afterflow, when the full conducting of bidirectional electronic switch S2 interchange positive-negative half-cycle, 1 input (2) is connected with the short circuit of another 1 output (3), and also bridge-type exchanges and cuts Bi circuit 2 AC chopping voltage output ends (3,4) output AC chopping adjustable voltage contrary with 2 ac voltage inputs (1,2) phase place.Therefore, the friendship of accompanying drawing hands over bridge-type copped wave bidirectional pressure regulating device circuit energy simultaneously adjustable in the adjustable AC chopping that 2 AC chopping voltage output ends (3,4) output is identical and contrary with 2 ac voltage inputs (1,2) voltage.As from the foregoing: homophase output AC chopping voltage regulates and completed by 3 full control bidirectional electronic switch S1, S2, S4, and anti-phase output AC chopping voltage regulates and completed by 3 bidirectional electronic switch S3, S4, S2.

The friendship of the design is handed over bridge-type copped wave bidirectional pressure regulating device and belongs to power electronics AC/AC converter, form bridge-type AC chopping bidirectional pressure regulating device by 4 bidirectional electronic switch, regulable control bidirectional electronic switch realizes the adjustment of AC chopping voltage swing and the control of phase difference 180 degree.It is a kind of AC/AC bridge converter corresponding with DC/AC full-bridge inverter, can change fixing for input alternating voltage into export same-phase or antiphase adjustable AC chopping voltage, the AC chopping voltage handing over bridge-type chopper voltage regulator to export 2 ends just can obtain adjustable alternating voltage contrary to AC input voltage waveform phase homophase also identical or phase place after high frequency LC filtering.The design adopts 2 bidirectional electronic switch to substitute has centre tapped autotransformer can reduce friendship bridge-type two-way pressurizer volume and weight, Jie Sheng Copper material and steel.It has extensive use and is worth in the equipment such as compensation type AC regulated power supply.

Claims

1. hand over bridge-type copped wave bidirectional pressure regulating device, be made up of 4 bidirectional electronic switch S1 ~ S4 and adjusting control circuit thereof, it is characterized in that: 2 bidirectional electronic switch S1, S3 is connected to 1 transistor collector and emitter by 1 diode cathode and anode, and another 1 diode cathode and anode are connected to another 1 transistor collector and emitter, the bidirectional electronic switch of differential concatenation composition, another 2 bidirectional electronic switch S3, S4 is connected to by 1 transistor collector and emitter the bidirectional electronic switch that 4 diode bridge rectifier circuits export 2 ends, and 4 bidirectional electronic switch S1 ~ S4 connect into bridge circuit, have 2 ac voltage inputs (1, 2), 2 AC chopping voltage output ends (3, 4), by bidirectional electronic switch S1, S2, the AC chopping regulating circuit of S4 composition, at 2 AC chopping voltage output ends (3, 4) obtain and 2 ac voltage inputs (1, 2) synchronous adjustable AC chopping voltage, by bidirectional electronic switch S3, S4, another 1 AC chopping regulating circuit of S2 composition, also at 2 AC chopping voltage output ends (3, 4) obtain and 2 ac voltage inputs (1, 2) the adjustable AC chopping voltage of antiphase.