CN208128144U

CN208128144U - It is a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge

Info

Publication number: CN208128144U
Application number: CN201820624821.6U
Authority: CN
Inventors: 洪峰; 方志; 雷鸿; 沈丽娜
Original assignee: ENVIROMENTAL TECHNOLOGY Co Ltd NANJING UNIVERSITY OF TECHNOLOGY
Current assignee: ENVIROMENTAL TECHNOLOGY Co Ltd NANJING UNIVERSITY OF TECHNOLOGY
Priority date: 2018-04-28
Filing date: 2018-04-28
Publication date: 2018-11-20
Anticipated expiration: 2028-04-28

Abstract

The utility model relates to power-supply device fields,In particular to a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge,It include booster mechanism,Stored energy mechanism,Filtering mechanism and the blocking mechanism to discharge for block media,The booster mechanism includes primary transformers T1 and pulse transformer T2,The high-pressure side of primary transformers T1 is in parallel with stored energy mechanism,The high-pressure side of the stored energy mechanism and primary transformers is connected with filtering mechanism,The stored energy mechanism includes the charging capacitor C in parallel with the high-pressure side of pulse transformer,The high-pressure side of the primary transformers T1 is electrically connected by the high-pressure side of arrester switch S and pulse transformer T2,The blocking mechanism includes the dielectric barrier discharge reactor M being electrically connected with the low-pressure side of pulse transformer T2,The utility model can weaken influence of the harmonic wave of ball gap disruptive discharge generation for power grid.

Description

It is a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge

Technical field

It is the utility model relates to power-supply device field, in particular to a kind of for motivating the micro- of large area dielectric barrier discharge Pulse per second (PPS) power supply.

Background technique

The electric discharge of traditional dielectric impedance mostly uses high frequency electric source to motivate, but it is big with reactor calorific value, energy dose-effect The low disadvantage of rate.In recent years, with the development of power electronics technology, the low temperature plasma of pulse excitation gradually causes both at home and abroad The extensive concern of experts and scholars.Correlative study shows to motivate compared to high frequency electric source, is put using the dielectric impedance of pulse excitation Electricity possesses that reactor calorific value is low, energy efficiency is high, electron energy more high energy advantage in plasma.

Currently, the pulse power mainly uses following two design method：1. being produced by rectification, filtering, IGBT translation circuit Raw pulse voltage, then be changed into capableing of the high voltage pulse of activated reactions device by booster circuit；2. the setting of main power source front end is high DC power supply is pressed, by the series-parallel IGBT of control a series of complex to generate high-voltage pulse.

Both the above mode, has a disadvantage that：1. all referring to the application of the switching tubes such as IGBT in power circuit, power supply output Power limited is difficult to meet for large area excitation low temperature plasma in industrialization in the current-carrying capability of the switching tubes such as IGBT Power demand；2. high-voltage DC power supply, power supply higher cost is arranged in power supply front end；3. rear end IGBT control circuit is complicated, failure Rate is high, power supply higher cost, is not suitable for the operation under bad working environments.

Utility model content

The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of for motivating large area dielectric impedance The microsecond pulse power supply of electric discharge.

To solve the above problems, the utility model provides following technical scheme：

It is a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, include booster mechanism, stored energy mechanism, Filtering mechanism and the blocking mechanism to discharge for block media, the booster mechanism includes primary transformers T1 and pulse transforming The high-pressure side of device T2, primary transformers T1 are in parallel with stored energy mechanism, the high-pressure side of the stored energy mechanism and primary transformers with Filtering mechanism series connection, the stored energy mechanism include the charging capacitor C in parallel with the high-pressure side of pulse transformer, the primary change The high-pressure side of depressor T1 is electrically connected by the high-pressure side of arrester switch S and pulse transformer T2, and the blocking mechanism includes There is the dielectric barrier discharge reactor M being electrically connected with the low-pressure side of pulse transformer T2.

Further, the filtering mechanism includes the first filter reactor H1 and the second filter reactor H2, and described The both ends of one filter reactor H1 are electrically connected with the on high-tension side firewire of anode and primary transformers T1 of charging capacitor C respectively, The both ends of the second filter reactor H2 are electrical with the cathode of charging capacitor C and the on high-tension side zero curve of primary transformers T1 respectively Connection.

Further, one end and arrester switch S that the first filter reactor H1 and charging capacitor C is electrically connected are gone here and there One end and pulse transformer T2 on high-tension side zero that connection, the second filter reactor H2 and charging capacitor C cathode are electrically connected Line is electrically connected.

Further, the firewire of the arrester switch S and pulse transformer T2 is electrically connected.

Further, the anode of the dielectric barrier discharge reactor M and the firewire of pulse transformer T2 low-pressure side are electrical Connection, the cathode of the dielectric barrier discharge reactor M and the zero curve of pulse transformer T2 low-pressure side are electrically connected.

Further, the cathode ground connection of the dielectric barrier discharge reactor M.

Beneficial effect：The utility model it is a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, be Break through the limitations of the switching tubes for power such as IGBT, simplify power circuit so that its meet various bad working environments under Stable operation demand, and power supply cost is reduced, 220V alternating current is boosted to by 8000V by primary transformers T1, and electric to energy storage Hold C charging, allots the air gap distance between ball gap by controlling arrester switch S, control high pressure of the capacitor C to pulse transformer T2 Side electric discharge is used for excitable media barrier discharge reactor M, with primary transformers T1 to generate high voltage pulse in the high-pressure side T2 High-voltage winding concatenated first filter reactor H1 and the second filter reactor H2 are for filtering, to weaken ball gap disruptive discharge Influence of the harmonic wave of generation for power grid.

Detailed description of the invention

Fig. 1 is the circuit diagram of the utility model.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail：

It is a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge shown in referring to Fig.1, it include boosting Mechanism, stored energy mechanism, filtering mechanism and the blocking mechanism for block media electric discharge, the booster mechanism includes primary transformation The high-pressure side of device T1 and pulse transformer T2, primary transformers T1 are in parallel with stored energy mechanism, the stored energy mechanism and primary transformation The high-pressure side of device is connected with filtering mechanism, and the stored energy mechanism includes the charging electricity in parallel with the high-pressure side of pulse transformer Hold C, the high-pressure side of the primary transformers T1 is electrically connected by the high-pressure side of arrester switch S and pulse transformer T2, institute Stating blocking mechanism includes the dielectric barrier discharge reactor M being electrically connected with the low-pressure side of pulse transformer T2, passes through primary 220V alternating current is boosted to 8000V by transformer T1, and is charged to storage capacitor C, and high pressure of the capacitor C to pulse transformer T2 is controlled Side electric discharge is used for excitable media barrier discharge reactor M to generate high voltage pulse in the high-pressure side T2.

The filtering mechanism includes the first filter reactor H1 and the second filter reactor H2, first filter reactance The both ends of device H1 are electrically connected with the on high-tension side firewire of anode and primary transformers T1 of charging capacitor C respectively, second filter The both ends of wave reactor H2 are electrically connected with the cathode of charging capacitor C and the on high-tension side zero curve of primary transformers T1 respectively, and first The grade concatenated first filter reactor H1 and the second filter reactor H2 of transformer T1 high-voltage winding is for filtering.

The first filter reactor H1 connects with one end that charging capacitor C is electrically connected with arrester switch S, and described One end that two filter reactor H2 are electrically connected with charging capacitor C cathode electrically connects with the on high-tension side zero curve of pulse transformer T2 It connects, 220V alternating current is boosted to by 8000V by primary transformers T1, and charge to storage capacitor C, by controlling arrester switch S allots the air gap distance between ball gap, and control capacitor C discharges to the high-pressure side of pulse transformer T2, to generate in the high-pressure side T2 High voltage pulse.

The firewire of the arrester switch S and pulse transformer T2 is electrically connected, and allots ball by controlling arrester switch S Air gap distance between gap, control capacitor C discharge to the high-pressure side of pulse transformer T2.

The anode of the dielectric barrier discharge reactor M is electrically connected with the firewire of pulse transformer T2 low-pressure side, described The cathode of dielectric barrier discharge reactor M and the zero curve of pulse transformer T2 low-pressure side are electrically connected, and control capacitor C becomes to pulse The high-pressure side of depressor T2 is discharged, to generate high voltage pulse in the high-pressure side T2, is used for excitable media barrier discharge reactor M.

The cathode of the dielectric barrier discharge reactor M is grounded.

Working principle：220V alternating current is boosted into 8000V by primary transformers T1, and is charged to storage capacitor C, is passed through Control arrester switch S allots the air gap distance between ball gap, and control capacitor C discharges to the high-pressure side of pulse transformer T2, thus High voltage pulse is generated in the high-pressure side T2, excitable media barrier discharge reactor M is used for, connects with primary transformers T1 high-voltage winding The first filter reactor H1 and the second filter reactor H2 for filtering.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, in the range of still falling within the technical solution of the utility model.

Claims

1. a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, it is characterised in that：Include booster mechanism, Stored energy mechanism, filtering mechanism and the blocking mechanism for block media electric discharge, the booster mechanism includes primary transformers T1 It is in parallel with stored energy mechanism with the high-pressure side of pulse transformer T2, primary transformers T1, the stored energy mechanism and primary transformers High-pressure side is connected with filtering mechanism, and the stored energy mechanism includes the charging capacitor C in parallel with the high-pressure side of pulse transformer, The high-pressure side of the primary transformers T1 is electrically connected by the high-pressure side of arrester switch S and pulse transformer T2, the resistance Retaining device includes the dielectric barrier discharge reactor M being electrically connected with the low-pressure side of pulse transformer T2.

2. according to claim 1 a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, feature It is：The filtering mechanism includes the first filter reactor H1 and the second filter reactor H2, first filter reactor The both ends of H1 are electrically connected with the on high-tension side firewire of anode and primary transformers T1 of charging capacitor C respectively, second filtering The both ends of reactor H2 are electrically connected with the cathode of charging capacitor C and the on high-tension side zero curve of primary transformers T1 respectively.

3. according to claim 2 a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, feature It is：The first filter reactor H1 connects with one end that charging capacitor C is electrically connected with arrester switch S, and described second One end and the on high-tension side zero curve of pulse transformer T2 that filter reactor H2 and charging capacitor C cathode are electrically connected are electrically connected.

4. according to claim 3 a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, feature It is：The firewire of the arrester switch S and pulse transformer T2 is electrically connected.

5. according to claim 4 a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, feature It is：The anode of the dielectric barrier discharge reactor M is electrically connected with the firewire of pulse transformer T2 low-pressure side, the medium The cathode of barrier discharge reactor M and the zero curve of pulse transformer T2 low-pressure side are electrically connected.

6. according to claim 5 a kind of for motivating the microsecond pulse power supply of large area dielectric barrier discharge, feature It is：The cathode of the dielectric barrier discharge reactor M is grounded.