CN205726639U - A kind of power output circuit of high voltage power supply - Google Patents

Abstract

A kind of power output circuit of high voltage power supply, relate to electronic circuit, it is made up of the first power switch pipe, the second power switch pipe, the 3rd power switch pipe, the 4th power switch pipe and multiple high-tension transformer unit, wherein, high-tension transformer unit is made up of primary coil and secondary high pressure coil, primary coil is arranged on internal layer, and secondary high pressure coil is arranged on outer layer；The primary coil of multiple high-tension transformer unit carries out primary low tension loop the most in series, and the secondary high pressure coil of multiple high-tension transformer unit carries out forward superposition output；The source electrode of the first power switch pipe is connected to the head end of the primary low tension loop of multiple high-tension transformer unit after being connected to the drain electrode of the second power switch pipe, the source electrode of the 3rd power switch pipe is connected to the tail end of the primary low tension loop of multiple high-tension transformer unit after being connected to the drain electrode of the 4th power switch pipe.This utility model makes the high-tension electricity produced on each secondary high pressure coil be overlapped output, to meet the requirement of the distance striking of plasma device.

Description

A kind of power output circuit of high voltage power supply

Technical field

This utility model relates to electronic circuit, is related specifically to a kind of power output circuit.

Background technology

Currently, plasma technology is widely used, with plasma disposal of commercial harmful substance, medical waste, The mode of house refuse is made a world of difference with general burning mode, and plasma is formed under ionosphere or electric discharge phenomena A kind of state, discharge process makes work gas molecule lose outer-shell electron and form ionic condition, produces height through mutually collision Temperature, when processed industrial harmful substance, medical waste, junk are by the plasma attack of High Temperature High Pressure, its molecule, Atom will reconfigure and generate new material, so that harmful substance becomes innocuous substance.Disposal of commercial harmful substance, Medical waste, house refuse plasma apparatus need high-voltage arc strike power supply.

Cook gasifying agent with plasma torch heat resolve steam to come gasification of coal or rubbish and will become first-selection from now on, Under condition of normal pressure, temperature hydrone when 2000K decomposes hardly, has the water of 25% to decompose during 2500K, and 3400～3500K Time hydrogen and the molar fraction of oxygen reach maximum, respectively 18% and 6%, when temperature reaches 4200K, hydrone will all divide Solving as hydrogen, hydrogen, oxygen, oxygen and hydrogen-oxygen atomic group, general mode of heating is difficult to reach the highest temperature, and use etc. from Daughter spray gun is then easily done, and this kind of plasma torch needs high voltage power supply to carry out striking.

In order to increase the energy of plasma arc and extend the action time of plasma arc, negative electrode and anode need to be made Between distance long enough, it is desirable to striking power supply provide sufficiently high striking voltage.But the use list in existing high voltage power supply Individual high-tension transformer, owing to need to considering secondary reflection factor or being limited by magnetic core window, the transformation of single high-tension transformer Ratio is restricted, and makes output voltage not high enough, there is the shortcoming that can not meet distance striking requirement.

Utility model content

The purpose of this utility model is intended to the shortcoming overcoming existing high voltage power supply can not meet distance striking requirement, it is provided that The power output circuit of a kind of high voltage power supply, exports sufficiently high striking voltage, to meet plasma device distance striking Requirement, the energy when disposal of commercial harmful substance, medical waste, house refuse is higher and in hgher efficiency.

The power output circuit of a kind of high voltage power supply of the present utility model, including high-tension transformer unit, same high voltage variable The primary coil of depressor unit carries out nested setting with secondary high pressure coil, it is characterized in that power output circuit is opened by the first power Close pipe (VT1), the second power switch pipe (VT2), the 3rd power switch pipe (VT3), the 4th power switch pipe (VT4) and multiple high Pressure transformer unit forms, and wherein, high-tension transformer unit is made up of primary coil and secondary high pressure coil, and primary coil is arranged At internal layer, secondary high pressure coil is arranged on outer layer；The primary coil of multiple high-tension transformer unit carry out the most in series at the beginning of Level low tension loop, the secondary high pressure coil of multiple high-tension transformer unit carries out forward superposition output；Input power (V+) connects To drain electrode and the drain electrode of the 3rd power switch pipe (VT3) of the first power switch pipe (VT1), the first power switch pipe (VT1) Source electrode is connected to the primary low tension loop of multiple high-tension transformer unit after being connected to the drain electrode of the second power switch pipe (VT2) Head end, the source electrode of the 3rd power switch pipe (VT3) is connected to multiple after being connected to the drain electrode of the 4th power switch pipe (VT4) The tail end of the primary low tension loop of high-tension transformer unit, the source electrode of the second power switch pipe (VT2) and the 4th power switch pipe (VT4) source electrode is connected to ground wire.In this utility model, high-tension transformer unit is more than two；At adjacent two high voltage variables On the connecting line of the primary coil of depressor unit, the tail end of the head end of primary low tension loop and primary low tension loop be respectively arranged with magnetoelectricity Container is connected to ground wire.

This utility model is applied in high-voltage power apparatus, uses switch power technology, when operating frequency is more than 400 kilocycles Time, each high-tension transformer is air-core transformer, is all not required to use magnetic core；When operating frequency is 1-400 kilocycle, at each high voltage variable Needing in depressor to use FERRITE CORE, primary coil and secondary high pressure coil in each high-tension transformer are separately mounted to respective In FERRITE CORE.

This utility model makes high-tension electricity produce on multiple transformer secondary output high-tension coils respectively, carries out high-tension electricity superposition defeated Go out, substantially increase output voltage, to meet the requirement of the distance striking of plasma device；Meanwhile, secondary height is reduced The reflection stress of line ball circle, it is to avoid switching device damages.

Operation principle of the present utility model is: the first power switch pipe (VT1), the 4th power switch pipe (VT4) and the 3rd Power switch pipe (VT3), the second power switch pipe (VT2) alternate conduction or cut-off, make the primary coil in each high-tension transformer Producing alternation electric current, make the secondary high pressure coil of each high-tension transformer have power to export, multiple high-tension transformer secondary are high The power output of line ball circle produces high voltage and is overlapped output, it is provided that carry out distance striking operation to plasma device. In this utility model, the voltage of secondary high pressure coil output is determined by Vin × N2/N1 × T00/T × n, and wherein Vin is input electricity Pressure, N2 is the number of turn of secondary high pressure coil, and N1 is the number of turn of primary coil, and T00/T is dutycycle, and n is high-tension transformer quantity.

This utility model is on the connecting line of the primary coil of adjacent two high-tension transformer unit, primary low tension loop The tail end of head end and primary low tension loop is respectively arranged with chip capacitors and is connected to ground wire so that the first power switch pipe (VT1), the To removing magnetocapacitance during four power switch pipes (VT4) and the 3rd power switch pipe (VT3), the second power switch pipe (VT2) cut-off Device is charged, and makes the primary side of each high-tension transformer produce demagnetizing current, makes the magnetic-reset in each high-tension transformer, thus Improve efficiency and avoid switching device to damage.

The beneficial effects of the utility model are: use multiple high-tension transformer unit in power output stage, make each time The high-tension electricity produced on level high-tension coil is overlapped output, substantially increases output voltage, to meet plasma device The requirement of distance striking, the energy when disposal of commercial harmful substance, medical waste, house refuse is higher and in hgher efficiency. This utility model makes high-tension electricity produce on each secondary high pressure coil respectively, reduces the reflection stress of secondary high pressure coil, keeps away Exempt from switching device to damage.

Accompanying drawing explanation

Accompanying drawing 1 is the power output circuit figure of a kind of high voltage power supply of the present utility model.

Accompanying drawing 2 is the power output circuit figure of another kind of high voltage power supply of the present utility model.

In figure: VT1. the first power switch pipe, VT2. the second power switch pipe, VT3. the 3rd power switch pipe, VT4. Four power switch pipes, C1. first removes chip capacitors, and C2. second goes chip capacitors, C3. the 3rd to go chip capacitors, C4. the 4th to go Chip capacitors, T1. the first high-tension transformer unit, W1-1. the first primary coil, first level high-tension coil of W1-2., T2. Two high-tension transformer unit, W2-1. the second primary coil, W2-2. second subprime high-tension coil, T3. the 3rd high-tension transformer list Unit, W3-1. the 3rd primary coil, W3-2. third time level high-tension coil, V+. input power, 1. the first high-voltage output end, 2. the Two high-voltage output ends.

Detailed description of the invention

In embodiment shown in embodiment 1 Fig. 1, the power output circuit of a kind of high voltage power supply is by the first power switch Pipe (VT1), the second power switch pipe (VT2), the 3rd power switch pipe (VT3), the 4th power switch pipe (VT4) and multiple high pressure Transformer unit forms, and wherein, high-tension transformer unit is made up of primary coil and secondary high pressure coil, same high-tension transformer The primary coil of unit carries out nested setting with secondary high pressure coil, and primary coil is arranged on internal layer, and secondary high pressure coil is arranged At outer layer, secondary high pressure coil is wound on skeleton with lattice winding method；High-tension transformer unit is more than two, Duo Gegao The primary coil of pressure transformer unit carries out primary low tension loop the most in series, the secondary height of multiple high-tension transformer unit Line ball circle carries out high pressure superposition output loop the most in series；Input power (V+) is connected to the first power switch pipe (VT1) Drain electrode and the drain electrode of the 3rd power switch pipe (VT3), the source electrode of the first power switch pipe (VT1) is connected to the second power switch The head end of the primary low tension loop of multiple high-tension transformer unit, the 3rd power switch pipe it is connected to after the drain electrode of pipe (VT2) (VT3) source electrode is connected to the primary of multiple high-tension transformer unit after being connected to the drain electrode of the 4th power switch pipe (VT4) The tail end of low tension loop, the source electrode of the second power switch pipe (VT2) and the source electrode of the 4th power switch pipe (VT4) are connected to ground Line.The present embodiment is applied in the high-voltage power apparatus of switching regulator, and its operating frequency is 1-400 kilocycle, at each high-tension transformer In have FERRITE CORE, the primary coil of same high-tension transformer unit and secondary high pressure coil to be separately mounted to respective ferrum oxygen On body magnetic core.The power output of each high-tension transformer secondary high pressure coil of the present embodiment produces high voltage and is overlapped output, It is supplied to plasma device and carries out distance striking operation.

In embodiment shown in embodiment 2 Fig. 2, it is on the basis of first embodiment, at adjacent two high voltage variables On the connecting line of the primary coil of depressor unit, the tail end of the head end of primary low tension loop and primary low tension loop be respectively arranged with magnetoelectricity Container is connected to ground wire, at the first power switch pipe (VT1), the 4th power switch pipe (VT4) and the 3rd power switch pipe (VT3), the second power switch pipe (VT2) cut-off during to going chip capacitors to be charged, make the primary side of each high-tension transformer Produce demagnetizing current, make the magnetic-reset in each high-tension transformer, thus improve efficiency and avoid switching device to damage.Other knots Structure is basically the same as those in the first embodiment, and repeats no more.

Claims (3)

1. a power output circuit for high voltage power supply, including high-tension transformer unit, the primary of same high-tension transformer unit Coil carry out with secondary high pressure coil nested arrange, it is characterized in that power output circuit by the first power switch pipe (VT1), second Power switch pipe (VT2), the 3rd power switch pipe (VT3), the 4th power switch pipe (VT4) and multiple high-tension transformer unit group Becoming, wherein, high-tension transformer unit is made up of primary coil and secondary high pressure coil, and primary coil is arranged on internal layer, secondary high Line ball circle is arranged on outer layer；The primary coil of multiple high-tension transformer unit carries out primary low tension loop the most in series, many The secondary high pressure coil of individual high-tension transformer unit carries out forward superposition output；Input power (V+) is connected to the first power switch The drain electrode of pipe (VT1) and the drain electrode of the 3rd power switch pipe (VT3), the source electrode of the first power switch pipe (VT1) is connected to second The head end of the primary low tension loop of multiple high-tension transformer unit, the 3rd merit it is connected to after the drain electrode of power switch pipe (VT2) The source electrode of rate switching tube (VT3) is connected to multiple high-tension transformer list after being connected to the drain electrode of the 4th power switch pipe (VT4) The tail end of the primary low tension loop of unit, the source electrode of the second power switch pipe (VT2) and the source electrode of the 4th power switch pipe (VT4) are even Receive ground wire.

The power output circuit of a kind of high voltage power supply the most according to claim 1, is characterized in that high-tension transformer unit is More than two.

The power output circuit of a kind of high voltage power supply the most according to claim 1, is characterized in that at adjacent two high voltage variables On the connecting line of the primary coil of depressor unit, the tail end of the head end of primary low tension loop and primary low tension loop be respectively arranged with magnetoelectricity Container is connected to ground wire.