CN205901602U - Capacitive load high frequency high voltage power supply - Google Patents
Capacitive load high frequency high voltage power supply Download PDFInfo
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- CN205901602U CN205901602U CN201620764846.7U CN201620764846U CN205901602U CN 205901602 U CN205901602 U CN 205901602U CN 201620764846 U CN201620764846 U CN 201620764846U CN 205901602 U CN205901602 U CN 205901602U
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Abstract
The utility model provides a capacitive load high frequency high voltage power supply, include: rectifier module, filter module, full -bridge contravariant module, drive module, control module and surge absorption module, wherein, rectifier module, filter module, full -bridge contravariant module are connected with drive module and control module electricity respectively, the surge absorption module with the rectifier module electricity is connected. Adopting control module and drive module's electric connected mode, having reduced the stray inductance in the main circuit on the one hand, it vibrates to prevent that stray inductance and buffer capacitor from producing, on the other hand, control module adopted the digitizer of high intelligent high stable and set up various protections and overflow, the intellectuality protection of excessive pressure, undercurrent, under -voltage, high temperature, IGBT trouble etc..
Description
Technical field
This utility model is related to special power supply technical field, more particularly, to a kind of capacitive load high-frequency and high-voltage power supply.
Background technology
In prior art, capacitive load high-frequency and high-voltage device is mainly used in advanced oxidation gas aspect, specifically, high
It is fresh-keeping etc. that level oxidizing gas is related to sewage disposal, hospital disinfection, food preserving.Because advanced oxidation gas is difficult to store, institute
Need to be prepared in situ with usual.Capacitive load high-frequency and high-voltage device load characteristic is different from common inverter load, high in high frequency
Many problems are had to need to study in voltage source design.In prior art, it is related to the little of capacitive power.Although tying to electric source topology
Structure and control program have ratio discussion in greater detail, but not comprehensive.
Content of the invention
The expectation of this utility model embodiment provides a kind of capacitive load high-frequency and high-voltage power supply, can solve the problem that in prior art and lacks
The problem of few special capacitive load high-frequency and high-voltage installation's power source.
The technical scheme of this utility model embodiment is achieved in that
A kind of capacitive load high-frequency and high-voltage power supply, comprising:
Rectification module, filtration module, full-bridge inverting module, drive module, control module and surge absoption module；Wherein,
Described rectification module, filtration module, full-bridge inverting module are electrically connected with drive module and control module respectively；
Described surge absoption module is electrically connected with described rectification module.
Described filtration module is arranged on power backplane；
Fan is additionally provided with described power backplane, fan arranges fin, fin is installed described rectification mould
Block, full-bridge inverting module and surge absoption module.
Also include:
Capacitance and lead-out terminal；
Described capacitance is electrically connected with the outfan of described full-bridge inverting module；
Described lead-out terminal is electrically connected with the outfan of described full-bridge inverting module and capacitance.
Described filtration module is electrically connected and is formed by two groups of electric capacity in parallel and inductance.
Described full-bridge inverting module is made up of two insulated gate bipolar transistor igbt units.
Igbt unit in described full-bridge inverting module is by two insulated gate bipolar transistor igbt groups being sequentially connected in series
Become.
Also include:
Human-computer interface module, is electrically connected with described control module.
Described filtration module, also includes:
Divider resistance, is connected with A.C. contactor；
Described two groups of output contacts of A.C. contactor are in parallel to be electrically connected；
Described control module is electrically connected with A.C. contactor, controls A.C. contactor adhesive.
Also include:
Buffer module, is electrically connected with described control module, including two electric capacity electrically connecting side by side.
The capacitive load high-frequency and high-voltage power supply that this utility model embodiment is provided, using control module and drive module
Electric connection mode, on the one hand reduces the stray inductance in main circuit, prevents stray inductance and buffering electric capacity from producing concussion, another
Aspect, control module employ high Intelligent high-stability digitizer and arrange various protection and excessively stream, overvoltage, undercurrent, owe
The intelligent protection of pressure, too high, the igbt fault of temperature etc..
Brief description
The capacitive load high-frequency and high-voltage power supply structural representation that Fig. 1 provides for this utility model embodiment 1；
The capacitive load high-frequency and high-voltage power supply structural representation that Fig. 2 provides for this utility model embodiment 2；
The capacitive load high-frequency and high-voltage power supply structural representation that Fig. 3 provides for this utility model embodiment 3；
Another capacitive load high-frequency and high-voltage power supply structural representation that Fig. 4 provides for this utility model embodiment 3；
The outside man machine interface schematic diagram of capacitive load high-frequency and high-voltage power supply that Fig. 5 provides for this utility model embodiment 4.
Specific embodiment
In order to be illustrated more clearly that this utility model embodiment and technical scheme, below in conjunction with drawings and Examples to this
The technical scheme of utility model is described in detail it is clear that described embodiment is that a part of the present utility model is real
Apply example, rather than whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not paying creativeness
The every other embodiment being obtained on the premise of work, broadly falls into the scope of this utility model protection.
Referring to Fig. 1, the capacitive load high-frequency and high-voltage power supply structural representation that provides for this utility model embodiment 1, wherein,
Rectification module 1, filtration module 2, full-bridge inverting module 3, drive module 4, control module 5 and surge absoption module 6；
Rectification module 1, filtration module 2, full-bridge inverting module 3 are electrically connected with drive module 4 and control module 5 respectively；
Surge absoption module 6 is electrically connected with rectification module 1.
Specifically, filtration module 2 is arranged on power backplane；
Fan is additionally provided with power backplane, fan arranges fin, fin is installed rectification module 1, full-bridge
Inversion module 3 and surge absoption module 6.
Further, the present embodiment also includes capacitance and lead-out terminal；
Capacitance is electrically connected with the outfan of full-bridge inverting module 3；
Lead-out terminal is electrically connected with the outfan of full-bridge inverting module 3 and capacitance.
Further, filtration module 2 is electrically connected and is formed by two groups of electric capacity in parallel and inductance.
Further, full-bridge inverting module 3 is made up of two insulated gate bipolar transistor igbt units.
Igbt unit in full-bridge inverting module 3 is made up of two insulated gate bipolar transistor igbt being sequentially connected in series.
Further, the present embodiment also includes human-computer interface module, electrically connects with control module 5.
Further, filtration module 2, also include:
Divider resistance, is connected with A.C. contactor；
The electrical connection in parallel of two groups of output contacts of A.C. contactor；
Control module 5 is electrically connected with A.C. contactor, controls A.C. contactor adhesive.
Referring to Fig. 2, the capacitive load high-frequency and high-voltage power supply structural representation that provides for this utility model embodiment 2, wherein,
Power supply is by the rectification module 1 being sequentially connected electrically, full-bridge inverting module 3, filtration module 2, drive module 4, control module 5, electric discharge
Module forms.Wherein filtration module 2 is placed on power backplane, and power backplane also arranges fan, fan top equipped with
Rectification module 1 and full-bridge inverting module 3, carry clamping plate on filtration module 2 top, equipped with drive module 4, control module on clamping plate
5.Surge absoption module 6, rectification module 1, filtration module 2, full-bridge inverting module 3, discharge module and drive module 4, liter pressing mold
Block and control module 5 are electrically connected, and human-computer interface module is electrically connected with control module 5, the drive module 4 of unique design and control
The integrated circuit of molding block 5 makes power supply box compact conformation, improves the reliability of power supply.
Further, the present embodiment also include lightning protection, antidetonation, inhale passive surge formula baffle, high frequency high voltage transformer,
Capacitance, capacitance is electrically connected with the outfan of the full-bridge inverting after igbt copped wave, the outfan of capacitance with defeated
Go out terminal to be connected.
In the present embodiment, including independent input terminal, lead-out terminal and energy storage filter capacitor, energy storage filter capacitor with
The outfan of the full bridge inverter of igbt copped wave is connected, and independent lead-out terminal is connected with high voltage high frequency transformer.
In the present embodiment, including control module 5 and drive module 4, control module 5 employs the numeral of high Intelligent high-stability
Change circuit and arrange various protection and excessively stream, overvoltage, undercurrent, the under-voltage, intelligent protection of igbt fault.
In the present embodiment, including filtering, whole ripple energy storage, the 4 groups of electric capacity buffering, 1 group is had to distinguish and whole at igbt two ends
Ripple electric capacity, the outfan after having 1 group to be connected on full-bridge inverting, there is 1 group of filter capacitor being connected on full-bridge inverting with an inductance,
There are 1 group and the buffering electric capacity in both ends of filter capacitor.
In the present embodiment, the surge absoption module 6 that is sequentially connected electrically, rectification module 1, filtration module 2, full-bridge inverting module
3rd, in buffer module, drive module 4, control module 5 and human-computer interface module, filtration module 2 is arranged on power backplane, in electricity
Fan is also set up on the base plate of source；Rectification module 1 and full-bridge inverting module 3 are installed on a heat sink；Filtration module 2 and full-bridge are inverse
Become module 3 to electrically connect with control module 5 and drive module 4；Rectification module 1, filtration module 2, full-bridge inverting module 3 respectively with drive
Dynamic model block 4 and control module 5 electrically connect；Human-computer interface module is embedded in outside power supply box.
Further, power supply also includes: capacitance, input terminal and lead-out terminal；Capacitance and full-bridge inverting mould
The outfan electrical connection of block 3；Lead-out terminal is electrically connected with the outfan of full-bridge inverting module 3 and capacitance.
Further, filtration module 2 is electrically connected and is formed by two groups of capacitance modules in parallel and inductance.
Further, full-bridge inverting module 3 is made up of two igbt units.Two groups of output contacts of A.C. contactor electricity in parallel
Connect, and electrically connect with divider resistance；Divider resistance and A.C. contactor series connection, and in parallel with filtration module 2；Surge absoption mould
Block 6 is arranged on power supply box end of incoming cables, after electrically connect with rectification module 1；Human-computer interface module is embedded in outside power supply box, with control
Molding block 5 electrically connects；Control module 5 is electrically connected with A.C. contactor, and control module 5 controls A.C. contactor adhesive.
Further, rectification module 1 is installed below fan, and dust cover installed by fan, and power backplane is in fan correspondence position
Perforate.
Further, also include the buffer module electrically connecting with control module 5, comprising: two electric capacity electrically connecting side by side.
Specifically, control module 5, drive module 4 and the rectification module 1 being sequentially connected electrically, filtration module 2, full-bridge are inverse
Become module 3 to electrically connect, wherein, filtration module 2 is arranged on power backplane, also sets up fin on power backplane；In radiating
Setting rectification module 1 and full-bridge inverting module 3 on piece；Filtration module 2 and full-bridge inverting module 3 top and drive module 4 and control
Molding block 5 is electrically connected, rectification module 1, filtration module 3, full-bridge inverting module 2.Surge absoption module 6 is arranged on rectification module
Above 1, play the higher hamonic wave of suppression electric power incoming line.To protect rectification module and inversion module.
Rectification module 1, for providing alternating voltage, filtration module 2 is connected with full-bridge inverting module 3.
Filtration module 2, for reducing the pulsation of rectification module 1 output AC voltage, the divider resistance in filtration module 2 subtracts
The effect of protection circuit is played in the slow impact to inductance.Divider resistance is in parallel with A.C. contactor, when the electricity of electric capacity, inductance fills
Full, panel obtains signal and controls driving plate, and driving plate drives A.C. contactor adhesive, and equipment normally runs.
Full-bridge inverting module 3, for providing the high frequency voltage needed for loaded work piece to electrically connect with transformator.
Referring to Fig. 3 and Fig. 4, the structural representation of the capacitive load high-frequency and high-voltage power supply providing for this utility model embodiment 3
Figure, electric capacity c1, the c6 in Fig. 3 and Fig. 4 be energy storage in circuit and play resonant capacitance, and parallel connection is sequentially connected in series respectively for c4, c5
On insulated gate bipolar transistor s1, s2, constantly discharge and recharge carrys out whole ripple in the course of the work, and c2, c3 parallel connection electrically connects and connects
Play the effect of stopping direct current in the outfan of full-bridge inverting module.
Include two groups of igbt units in full-bridge inverting module 4, an igbt unit is by the insulated gate bipolar being sequentially connected in series
Transistor s1 and s3 forms, and another igbt unit is made up of insulated gate bipolar transistor s2 and s4 being sequentially connected in series.
Referring to Fig. 5, the outside man machine interface of the capacitive load high-frequency and high-voltage power supply providing for this utility model embodiment 4 is shown
It is intended to, the human-computer interface module in Fig. 5 is arranged at the outside of power supply, electrically connected with control module 5, play regulating frequency, electric current,
Voltage, the effect of temperature.
Wherein, in one embodiment, rectification module 1 includes xx type rectifier bridge, three phase full bridge, and rated current is xx, volume
Determining voltage is xx.Capacitance xx of each of filtration module 2 capacitor, pressure voltage is xx, connects two-by-two, four groups of parallel connections are electrically connected
Connect.The model infineon xx of igbt unit, igbt drive model is xx, and drive signal is produced by dsp, and igbt's is slow
The capacitance rushing electric capacity (c94 and c5) is xx, and pressure voltage is xx, using centralized configuration；Its coil rating voltage is xx, coil electricity
Hinder for xx, resistance r2 by limiting busbar voltage during excision current-limiting resistance, resistance with DC relay Coil resistance partial pressure
R1 acts primarily as the effect of current limliting partial pressure, and resistance is xx, and rated power is xx, limits the charging interval of c12；11st capacitor
C2, c3 act primarily as and act on every straight, and capacitance is xx, and pressure voltage is xx, and buffering electric capacity and capacitance are noninductive electric capacity；Power supply work
When making, the output voltage frequency of full-bridge inverting module 3 is high frequency, dutycycle xx (complete period), and current effective value xx rises buckling
Depressor secondary voltage is high voltagehigh frequency, current effective value xx.
To sum up, the capacitive load high-frequency and high-voltage power supply that this utility model embodiment is provided, using control module and driving
The electric connection mode of module, on the one hand reduces the stray inductance in main circuit, prevents stray inductance and buffering electric capacity from producing shake
Swing, on the other hand, control module employ high Intelligent high-stability digitizer and arrange various protection and excessively stream, overvoltage,
Undercurrent, under-voltage, temperature is too high, the intelligent protection of igbt fault etc..
More than, preferred embodiment only of the present utility model, it is not intended to limit protection domain of the present utility model.
Claims (9)
1. a kind of capacitive load high-frequency and high-voltage power supply is it is characterised in that include:
Rectification module, filtration module, full-bridge inverting module, drive module, control module and surge absoption module；Wherein,
Described rectification module, filtration module, full-bridge inverting module are electrically connected with drive module and control module respectively；
Described surge absoption module is electrically connected with described rectification module.
2. capacitive load high-frequency and high-voltage power supply according to claim 1 is it is characterised in that described filtration module is arranged at electricity
On the base plate of source；
Fan is additionally provided with described power backplane, fan arranges fin, fin is installed described rectification module, complete
Bridge inversion module and surge absoption module.
3. capacitive load high-frequency and high-voltage power supply according to claim 1 is it is characterised in that also include:
Capacitance and lead-out terminal；
Described capacitance is electrically connected with the outfan of described full-bridge inverting module；
Described lead-out terminal is electrically connected with the outfan of described full-bridge inverting module and capacitance.
4. capacitive load high-frequency and high-voltage power supply as claimed in claim 1 is it is characterised in that described filtration module includes parallel connection
Two groups of electric capacity and inductance electrical connection.
5. capacitive load high-frequency and high-voltage power supply as claimed in claim 1 is it is characterised in that described full-bridge inverting module includes two
Individual insulated gate bipolar transistor igbt unit.
6. capacitive load high-frequency and high-voltage power supply according to claim 5 is it is characterised in that in described full-bridge inverting module
Igbt unit includes two insulated gate bipolar transistor igbt being sequentially connected in series.
7. capacitive load high-frequency and high-voltage power supply according to claim 1 is it is characterised in that also include:
Human-computer interface module, is electrically connected with described control module.
8. capacitive load high-frequency and high-voltage power supply according to claim 1, it is characterised in that described filtration module, also includes:
Divider resistance, is connected with A.C. contactor；
Described two groups of output contacts of A.C. contactor are in parallel to be electrically connected；
Described control module is electrically connected with A.C. contactor.
9. capacitive load high-frequency and high-voltage power supply according to claim 1 is it is characterised in that also include:
Buffer module, is electrically connected with described control module, including two electric capacity electrically connecting side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764846.7U CN205901602U (en) | 2016-07-20 | 2016-07-20 | Capacitive load high frequency high voltage power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764846.7U CN205901602U (en) | 2016-07-20 | 2016-07-20 | Capacitive load high frequency high voltage power supply |
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| CN205901602U true CN205901602U (en) | 2017-01-18 |
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| CN201620764846.7U Active CN205901602U (en) | 2016-07-20 | 2016-07-20 | Capacitive load high frequency high voltage power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026689A (en) * | 2016-07-20 | 2016-10-12 | 北京金大万翔环保科技有限公司 | High-frequency high-voltage power supply for capacitive loads |
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2016
- 2016-07-20 CN CN201620764846.7U patent/CN205901602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026689A (en) * | 2016-07-20 | 2016-10-12 | 北京金大万翔环保科技有限公司 | High-frequency high-voltage power supply for capacitive loads |
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