CN202550900U - High-voltage power supply of electric dust collector - Google Patents
High-voltage power supply of electric dust collector Download PDFInfo
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- CN202550900U CN202550900U CN2012200169158U CN201220016915U CN202550900U CN 202550900 U CN202550900 U CN 202550900U CN 2012200169158 U CN2012200169158 U CN 2012200169158U CN 201220016915 U CN201220016915 U CN 201220016915U CN 202550900 U CN202550900 U CN 202550900U
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Abstract
The utility model relates to a high-voltage power supply of an electric dust collector capable of realizing electric-field high-voltage direct-current power supply of the electric dust collector. The high-voltage power supply comprises a control cabinet, a silicon rectifier step-up transformer 4. The internal part of the control cabinet comprises a main circuit which consists of a rectifier circuit 1, an energy storage filter circuit 2 and an inverter circuit; a signal detection circuit 5 which is used for detecting electric field voltage, current flashover and arc discharge of the electric dust collector and detecting temperature and gas of the silicon rectifier step-up transformer; a control circuit 6 which is used for receiving signals of the signal detection circuit 5; and a signal indicating circuit and a computer monitoring circuit 7 which are connected with the control circuit 6. The high-voltage power supply of the electric dust collector is characterized in that the inverter circuit is a variable-frequency inverter circuit 3. The high-voltage power supply of the electric dust collector provided by the utility model has the advantages that the impedance adaptability is very good, the power factor is very high, the power supply characteristic of the electric dust collector is improved, the change of the electric field condition can be rapidly tracked, the response capacity to the electric field condition of the electric dust collector and average power supply voltage are improved, and the dust collection efficiency of the electric dust collector is improved.
Description
Technical field
The utility model relates to a kind of electric cleaner high voltage source of electric cleaner electric field HVDC power supply.
Background technology
At present, the known electric cleaner that generally adopts generally has following three kinds with high-voltage DC power supply, i.e. power frequency (50/60Hz) controllable silicon (SCR) high voltage source, intermediate frequency high voltage source and high-frequency and high-voltage power supply.
Power frequency controllable silicon high voltage source is by formations such as inverse parallel controllable silicon, power frequency (50/60Hz) high pressure silicon rectifier step-up transformer and control circuits.Its operation principle is to be voltage regulation component with the silicon-controlled device, and single phase poaer supply or three-phase voltage are carried out pressure regulation, forms the high tension voltage of direct current and the electric field that electric current offers electric cleaner through the rectification of boosting of high pressure silicon rectifier step-up transformer.Power frequency controllable silicon high voltage source is owing to adopt power frequency (50/60Hz) phase-shift voltage regulating of fixed frequency, and the problem one of existence is that the unsmooth pulsation of high-voltage dc voltage that provides for the electric cleaner electric field is big; The 2nd, because the operating frequency fixing work frequency that is electrical network, when electric field arcing and sudden strain of a muscle are ironed,, so shorten blocking time and be restricted because silicon-controlled device can not turn-off before the current zero-crossing point in cycle; The 3rd, the high pressure silicon rectifying transformer is an inductive load, and the fixedly work frequency of controllable silicon high voltage source makes problems such as power factor and the power supply conversion efficiency of high voltage source be very low.
The intermediate frequency high voltage source is made up of bridge rectifier, intermediate frequency fixed frequency inverter circuit and intermediate frequency high pressure silicon rectifier step-up transformer and control circuit etc.Its operation principle is by bridge rectifier line voltage to be rectified into direct current; The inverter circuit of forming through semiconductor power switch such as IGBT is reverse into the interchange of (Frequency point is 400,500 or 600 Hz etc.) fixed-frequency, then through the intermediate frequency silicon rectifier step-up transformer electric field that the high tension voltage that is rectified into direct current and electric current deliver to electric cleaner that boosts.Though intermediate frequency high voltage source power factor is improved and the smoothness of output voltage is improved; The intermediate frequency high voltage source is owing to adopt fixing IF-FRE inversion; The problem one that exists is to stop inversion output and stop to block to the method for electric cleaner electric field power supply with dodging still must adopt when ironing in the electric field arcing, blocks the power failure that has caused electric field; The 2nd, the intermediate frequency high pressure silicon rectifier step-up transformer that must use the fixing frequency (400,500 or 600 Hz etc.) of intermediate frequency to manufacture and design; Just must all change when adopting the intermediate frequency high voltage source that the high voltage source of existing electric cleaner is transformed, therefore for the project of upgrading and rebuilding of electric cleaner high voltage source, prolong the duration and improved cost together with high pressure silicon rectifier step-up transformer.
High-frequency and high-voltage power supply is made up of rectification circuit, high-frequency inverter circuit, resonant circuit, high frequency silicon rectifier step-up transformer and control circuit etc.Its operation principle is by bridge rectifier line voltage to be rectified into direct current; The resonant circuit that high-frequency inverter circuit of being made up of semiconductor power switch (like IGBT) and inductance capacitance are formed is reverse into high frequency with direct voltage and (is generally 20 ~ 50kHz) alternating voltages, again through the high frequency silicon rectifier step-up transformer electric field that the direct voltage that is rectified into high pressure and electric current deliver to electric cleaner that boosts.High-frequency and high-voltage power supply has higher power factor and level and smooth high-voltage dc voltage output.But the problem one of its existence is to adopt the high frequency silicon rectifier step-up transformer of specially designed employing high-frequency magnetic material; The 2nd, because it is operated in high frequency; The electric energy transmitting decay of high frequency is big; Thereby a complete set of equipment must be assembled in the fuel tank of a sealing, and must electric cleaner on-the-spot outdoor the top of electric cleaner (generally) installs, so reliability decrease and the on-site maintenance maintenance very difficulty that becomes; And, in the high voltage source upgrading project of existing electric cleaner, must remove and scrap original high voltage source, prolong the transformation duration and increased engineering cost.
Summary of the invention
The purpose of the utility model is in order to overcome the problem that existing electric cleaner high voltage source exists, and provides a kind of sudden strain of a muscle that has higher power factor and high transformation efficiency, electric cleaner electric field energy to obtain level and smooth voltage and current, can effectively suppress electric field to iron with arcing, ability and high pressure silicon rectifier step-up transformer to carry out impedance, has high reliability and electric cleaner high voltage source easy to maintenance.
The utility model is realized through following technical solution: the electric cleaner high voltage source comprises control cubicle, silicon rectifier step-up transformer; Comprise the major loop of forming by rectification circuit, energy storage filter circuit, inverter circuit in the control cubicle; Be used to detect electric cleaner voltage of electric field, electric current, flashover, arcing, main circuit voltage, electric current, the signal deteching circuit that silicon rectifier step-up transformer temperature and gas detect; And the control circuit that receives the signal deteching circuit signal; Signal indicating circuit that is connected with control circuit and computer monitoring circuit; Inverter circuit is the frequency conversion inverter circuit; Alternating voltage and electric current that the frequency conversion inverter circuit changes by pulse width modulated frequency conversion inverter output frequency; The alternating voltage that is input as frequency change and the electric current of silicon rectifier step-up transformer obtain the alternating voltage and the electric current of the high pressure of frequency change after the silicon rectifier step-up transformer boosts, be output as the direct voltage and the electric current of high pressure after its rectification.
Said electric cleaner high voltage source; The inverter (like H shape full-bridge inverter) that the frequency conversion inverter circuit is made up of power semiconductor switches (like IGBT) etc.; Alternating voltage and electric current that frequency conversion inverter circuit output frequency changes; The frequency of its variation has a frequency range (scope of frequency change), and frequency range is 10%～1000% of a design work frequency.
Described electric cleaner high voltage source; The alternating voltage of frequency conversion inverter circuit output and the frequency of electric current also have the frequency of a steady operation in frequency range, this frequency is design work frequency (like power frequency 50Hz, medium and low frequency 100 or 200Hz, intermediate frequency 400Hz or 600Hz, medium-high frequency 800Hz) or the 1000Hz or the 1200Hz etc. of silicon rectifier step-up transformer).
Described electric cleaner high voltage source, the alternating voltage that changes at frequency conversion inverter circuit output frequency be during with electric current, the impedance that the silicon rectifier step-up transformer can obtain changing, the excursion of its impedance be the silicon rectifier step-up transformer design impedance 10%～1000%.
Described electric cleaner high voltage source, the frequency of corresponding steady operation in the scope of impedance variations also has a steady operation resistance value, is the corresponding design impedance of its design work frequency.
The effect of each circuit in the said electric cleaner high voltage source: the alternating voltage that rectification circuit provides electrical network becomes the voltage and current of direct current with current commutates; Direct voltage and the electric current of energy storage filter circuit after with rectification carries out for the frequency conversion inverter circuit level and smooth direct voltage and electric current being provided after the filtering energy storage; The task of frequency conversion inverter circuit is that the inversion of accomplishing frequency change exchanges output; Reverse frequency is that the operating mode according to the electric cleaner electric field changes; Be the rate of change of electric cleaner voltage of electric field, electric current, voltage and the operation result of change in current rate, promptly reverse frequency is that the working conditions change of following the electric cleaner electric field is dynamic change; The silicon rectifier step-up transformer is rectified into high-voltage dc voltage and electric current with the alternating voltage and the current boost of the frequency change of inverter circuit output; The effect of signal deteching circuit is that voltage, electric current, the sudden strain of a muscle to electric field ironed with arcing and detected, and detected signal is offered control circuit; The function of control circuit is to accomplish the various algorithms and the controlled function of electric cleaner frequency conversion high voltage source; The function of signal indicating circuit and computer monitoring circuit is that the demonstration and indication, the Control Parameter that realize signal is provided with etc.
The course of work of the described electric cleaner high voltage source of the utility model: major loop aspect, the alternating voltage electric current of electrical network are rectified into the direct voltage and the electric current of pulsation by rectification circuit; Direct voltage and the electric current of pulsation undertaken forming level and smooth direct voltage after filtering and the energy storage by the energy storage filter circuit and electric current is delivered to the frequency conversion inverter circuit; The frequency conversion inverter circuit carries out inversion with level and smooth direct voltage and electric current, forms alternating voltage and the electric current of frequency according to electric cleaner electric field working conditions change; The alternating voltage and the current boost of the frequency change of the frequency conversion inversion being accomplished by the silicon rectifier step-up transformer again and the direct voltage and the electric current that are rectified into the required high pressure of electric cleaner electric field are delivered to the electric cleaner electric field.The electric cleaner high voltage source according to electric field high-voltage dc voltage change in current real-time and dynamic regulate the output of frequency conversion inverter circuit the alternating voltage and the frequency of electric current, the impedance of real-time and dynamic adjusting silicon rectifier step-up transformer.The control loop aspect, the real-time voltage to electric field, the electric current of signal deteching circuit, sudden strain of a muscle is ironed and arcing detects, and detected signal is offered control circuit; Control circuit carries out computing according to the real time data of signal deteching circuit, the control signal of output frequency conversion inverter circuit and realize the interchange output of the frequency conversion inversion of inverter circuit; The communication control function of control circuit also links to each other the electric cleaner high voltage source with the host computer system, realize transmitting to the host computer system running parameter of electric cleaner high voltage source; Control circuit also links to each other with the man-machine interface of electric cleaner high voltage source, realizes the setting of Control Parameter and the indication and the demonstration of working parameters.
The beneficial effect of the utility model is following.
1, the electric cleaner high voltage source that the utility model provided has been improved the supplied character of electric cleaner, has improved the power supply average voltage of electric cleaner electric field, has improved the ash removal efficiency of electric cleaner.With respect to traditional power frequency controllable silicon (SCR) high voltage source; The frequency conversion inverter circuit of the electric cleaner high voltage source that the utility model is related is pressed sinusoid pulse width modulation modulation (SPWM) frequency conversion inversion output; The silicon rectifier step-up transformer be input as complete simple alternating current modulating wave voltage; Its secondary side high-voltage alternating output also is complete sine wave AC voltage; The high-voltage alternating effective value is improved, and has therefore improved the average voltage of electric cleaner electric field, and the efficient of electric cleaner is improved; And; High direct voltage voltage after the ac high-voltage rectification of the utility model has reduced pulsation; What the electric cleaner electric field obtained is level and smooth direct current, has improved the stability of electric field corona discharge, can effectively avoid ironing and strong arcing owing to the fluctuation of electric field high-voltage dc voltage causes the sudden strain of a muscle after the electric field breakdown; Not only improve ash removal efficiency, also have good energy-saving effect.
2, the electric cleaner high voltage source that the utility model provided can be followed the tracks of the variation of electric field operating mode fast, has improved the responding ability to electric cleaner electric field operating mode.The utility model detects electric cleaner electric field operating mode in real time; The utility model can be adjusted the reverse frequency and the inversion modulating pulse width of frequency conversion inverter circuit timely when electric cleaner electric field working conditions change; In good time adjusting output high direct voltage voltage; The Strength Changes of corona discharge in the electric field obtains best corona discharge effect when following the tracks of the electric field fluctuation of operating conditions fast.
3, the electric cleaner high voltage source that the utility model provided has good impedance adaptive capacity.According to the inverter output frequency of the impedance Control frequency conversion inverter circuit of silicon rectifier step-up transformer, make the each several part circuit of the utility model be in the optimum Match state of impedance.Therefore, the utility model is not only applicable to newly-built electric cleaner improving ash removal efficiency and to improve efficiency, but also the transformation and upgrade that are particularly suitable for the high voltage source of existing electric cleaner improve ash removal efficiency and cut down the consumption of energy to reach.In the transformation and upgrade project of the high voltage source that has electric cleaner; The utility model matees through the impedance phase with original high voltage source silicon rectifier step-up transformer, can make the utility model be operated in frequency best in the frequency range to obtain best dust removing effects, adapt to the fluctuation of electric cleaner operating mode and to reach purpose of energy saving.Therefore, in the transformation and upgrade project of the high voltage source that has electric cleaner, original silicon rectifier step-up transformer can be kept and utilize, the effect of cost saving and reduction of erection time can be reached.
4, the electric cleaner high voltage source that the utility model provided has very high power factor.
Description of drawings
The schematic block circuit diagram of Fig. 1 electric cleaner high voltage source.
Rectification circuit, energy storage filter circuit, frequency conversion inverter circuit schematic diagram in Fig. 2 control cubicle.
Fig. 3 silicon rectifier step-up transformer circuit theory diagrams.
Fig. 4 control cubicle front elevation.
Fig. 5 control cubicle internal layout.
1. rectification circuits among the figure, 2. energy storage filter circuit, 3. frequency conversion inverter circuit, 4. silicon rectifier step-up transformer, 5. signal deteching circuit, 6. control circuit, 7. computer monitoring circuit, 8. host computer system, 9. electric cleaner.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
The electric cleaner high voltage source comprises control cubicle, silicon rectifier step-up transformer 4; Comprise the major loop of forming by rectification circuit 1, energy storage filter circuit 2, frequency conversion inverter circuit 3 in the control cubicle; Be used to detect electric cleaner voltage of electric field, electric current, flashover, arcing, main circuit voltage, electric current, the signal deteching circuit 5 that silicon rectifier step-up transformer temperature and gas detect; And the control circuit 6 that receives signal deteching circuit 5 signals, signal indicating circuit that is connected with control circuit 6 and computer monitoring circuit 7.Alternating voltage and electric current that frequency conversion inverter circuit 3 output frequencies change; The alternating voltage that is input as frequency change and the electric current of silicon rectifier step-up transformer 4; Obtain the alternating voltage and the electric current of the high pressure of frequency change after silicon rectifier step-up transformer 4 boosts, be output as the direct voltage and the electric current of high pressure after its rectification.The alternating voltage and the electric current of the frequency change of frequency conversion inverter circuit 3 outputs have a frequency range, and frequency range is 10%～1000% of a design work frequency.The alternating voltage and the electric current of the frequency change of frequency conversion inverter circuit 3 outputs have a steady operation frequency in frequency range, frequency is the design work frequency.The alternating voltage and the electric current of the frequency change of frequency conversion inverter circuit 3 outputs, the impedance that silicon rectifier step-up transformer 4 obtains changing, the excursion of impedance is 10%～1000% of the design impedance.A steady operation resistance value is arranged in the scope of impedance variations, corresponding with the steady operation frequency.
The voltage of electric field current detecting device VD of the temperature of voltage and current detection means VINV that the signal deteching circuit 5 among Fig. 1 is exported by exchanging of the voltage and current detection means VDC in the direct current of grid ac voltage and current detecting device VAC and IAC, rectification circuit 1 (REC) output dc bus loop and IDC, frequency conversion inverter circuit 3 (INV) and IINV, silicon rectifier step-up transformer 4 (HVT) and gas indicator spare TTR and GTR, electric cleaner 9 (ESP) and ID etc. form.
In Fig. 1, the alternating voltage electric current of electrical network is rectified into the direct voltage and the electric current of pulsation by rectification circuit 1 (REC); Direct voltage and the electric current of pulsation undertaken forming level and smooth direct voltage after filtering and the energy storage by energy storage filter circuit 2 (C) and electric current is delivered to frequency conversion inverter circuit 3 (INV); Frequency conversion inverter circuit 3 (INV) carries out inversion with level and smooth direct voltage and electric current, forms alternating voltage and the electric current of frequency according to electric cleaner 9 (ESP) electric field working conditions change; The alternating voltage and the current boost of the frequency change of the frequency conversion inversion being accomplished by silicon rectifier step-up transformer 4 (HVT) more also is rectified into the direct voltage of the required high pressure of electric cleaner 9 (ESP) electric field and the electric field that electric current is delivered to electric cleaner 9 (ESP); The real-time voltage to electric field, the electric current of signal deteching circuit 5, sudden strain of a muscle is ironed and arcing detects, and detected signal is offered control circuit 6 (CON); Control circuit 6 (CON) carries out computing according to the real time data of signal deteching circuit 5, the control signal of output frequency conversion inverter circuit 3 (INV) and realize the output that the frequency conversion inversion of frequency conversion inverter circuit 3 (INV) exchanges; The communication control function of control circuit 6 (CON) links to each other with host computer system 8 (IPC), realizes carrying out the mutual transmission of running parameter to host computer system 8 (IPC); Control circuit 6 (CON) also is connected with computer monitoring circuit 7 (HMI), realizes the setting of Control Parameter and the indication and the demonstration of working parameters.
In Fig. 2, the rectifying device RECLV of rectification circuit 1 (REC) is made up of rectifier diode D11 ~ D16 or is made up of rectification module.Energy storage filter circuit 2 (C) is made up of capacitors such as capacitor C1, C2, C3, C4.Frequency conversion inverter circuit 3 (INV) is made up of power semiconductor switches modules such as ambipolar isolated gate FET IGBT1 ~ IGBT4.
In Fig. 3, silicon rectifier step-up transformer 4 (HVT) mainly is made up of step-up transformer TR, high-voltage alternating rectification circuit RECHV etc.; High-voltage alternating rectification circuit RECHV is made up of TD1 ~ TD4 kenotron; The temperature detection device TTR, gas that also includes the silicon rectifier step-up transformer 4 (HVT) in the signal deteching circuit 5 at silicon rectifier step-up transformer 4 (HVT) detects voltage of electric field current detecting device VD and the ID etc. of detection means, the electric cleaner 9 (ESP) of upper limit GTRH and the lower limit GTRL of GTR.
The rectifying device RECLV of rectification circuit 1 (REC) can be made up of rectifier diode or single-phase, two-phase, three-phase or poly phase rectification module, and its specification can be confirmed according to power output of the present invention.The capacitance of energy storage filter circuit 2 (C) capacitor is confirmed the direct voltage amplitude that civilian ripple requires and rectification circuit 1 (REC) is exported of DC loop according to frequency conversion inverter circuit 3 (INV).Frequency conversion inverter circuit 3 (INV) can adopt single-phase, two-phase, three-phase or heterogeneous frequency conversion inversion, is made up of the power semiconductor switches module; Both can adopt single switch module to combine, and also can adopt the module of paired switch package to constitute; Its specification can be confirmed according to power output parameter of the present invention.The specifications parameter of silicon rectifier step-up transformer 4 (HVT) is confirmed according to the electric pulse field parameter of electric cleaner 9 (ESP).
Control circuit 6 (CON) can be selected to be made up of integrated circuits such as MCU or DSP.Computer monitoring circuit 7 (HMI) can select to adopt touch-screen, LCD supervising device and panel computer etc. to constitute.Host computer system 8 (IPC) is connected with the communication control port of control circuit 6 (CON), and the computer monitoring equipment of selecting to conform to control circuit 6 (CON) communication protocol gets final product.
In circuit theory diagrams shown in Figure 2, the grid alternating current source gets into the voltage and current that the rectification circuit 1 (REC) that is made up of rectifier diode module D11 ~ D16 is rectified into direct current through switch QF1.Become level and smooth direct voltage and electric current after energy storage filter circuit 2 (C) the institute filtering energy storage that the direct voltage of rectification circuit 1 (REC) output and electric current are made up of capacitor C1, C2, C3, C4 etc.In rectification circuit (1) REC and energy storage filter circuit (2) DC loop that C constituted, also include some signal detection components of signal deteching circuit 5, wherein by D.C. voltmeter VIDC and ammeter IIDC that resistor network constituted; By dc voltage and current detection means VDC and the IDC that electric current and voltage transmitter HL1 and HL2 constitute, its signal offers control circuit 6 (CON).Level and smooth dc voltage and current is reverse into alternating voltage and the electric current that frequency changes with electric cleaner 9 (ESP) electric field operating mode by frequency conversion inverter circuit 3 (INV) frequency conversion that power semiconductor switches such as IGBT1 ~ IGBT4 constitute.Also dispose the detection means such as THS, VINV and IINV of signal deteching circuit 5 with frequency conversion inverter circuit 3 (INV); Wherein THS is the temperature detection device of frequency conversion inverter circuit 3 (INV), is used for the heating situation that control circuit 6 (CON) is kept watch on frequency conversion inverter circuit (3) INV; VINV and IINV detection means are the alternating voltage of frequency conversion inverter circuit 3 (INV) frequency conversion inversion output and the detecting element of electric current, are used for the frequency conversion inversion output that control circuit 6 (CON) is kept watch on frequency conversion inverter circuit 3 (INV).
In circuit theory diagrams shown in Figure 3, be reverse into frequency by frequency conversion inverter circuit 3 (INV) frequency conversion and get into silicon rectifier step-up transformer 4 (HVT) with alternating voltage and the electric current that electric cleaner 9 (ESP) electric field operating mode changes; Form High AC voltage and the electric current that frequency changes with electric cleaner 9 (ESP) electric field operating mode through boosting of the interior step-up transformer TR of silicon rectifier step-up transformer 4 (HVT); The High AC voltage of frequency change and electric current in silicon rectifier step-up transformer 4 (HVT) by the direct voltage and the electric current that obtain high pressure after the rectification circuit RECHV rectification that TD1 ~ TD4 constituted; The direct voltage of high pressure and electric current offer electric cleaner 9 (ESP) through current-limiting resistance R.Supporting silicon rectifier step-up transformer 4 (HVT); Signal deteching circuit 5 disposes voltage of electric field current detecting device VD and the ID of detection means that temperature detection device TTR, gas detect upper limit GTRH and the lower limit GTRL of GTR, electric cleaner 9 (ESP) etc.; Their signal all gets into control circuit 6 (CON); Wherein, the voltage of electric field current detecting device VD and the ID of electric cleaner 9 (ESP) are made up of the resistor network that R1-kV, R2-kV and R-mA formed; The working temperature that detection means TTR is used for silicon rectifier step-up transformer 4 (HVT) detects; Gas detects GTR and adopts firedamp sensor; The upper limit (heavy gas) GTRH is set firedamp sensor GTR and lower limit (light gas) GTRL detects, and the gas that is used for silicon rectifier step-up transformer 4 (HVT) run duration detects and protection.
Assemble in the sketch map at Fig. 4, control cubicle shown in Figure 5, rectification circuit 1 (REC), energy storage filter circuit 2 (C), frequency conversion inverter circuit 3 (INV), signal deteching circuit 5, control circuit 6 (CON), computer monitoring circuit 7 mounting arrangements such as (HMI) are in a control cubicle.Control cubicle and silicon rectifying transformer 4 are installed separately, and control cubicle both can also can just be installed at the on-the-spot silicon rectifying transformer 4 of electric cleaner in indoor installation nearby; Silicon rectifier step-up transformer 4 both can be installed at the on-the-spot top of electric cleaner, also can be connected with the electric cleaner electric field through high-tension cable installing away from electric cleaner.
Claims (4)
1. the electric cleaner high voltage source comprises control cubicle, silicon rectifier step-up transformer (4); Comprise the major loop of forming by rectification circuit (1), energy storage filter circuit (2), inverter circuit in the control cubicle; Be used to detect electric cleaner voltage of electric field, electric current, flashover, arcing, main circuit voltage, electric current, the signal deteching circuit (5) that silicon rectifier step-up transformer temperature and gas detect; And the control circuit (6) that receives signal deteching circuit (5) signal; Signal indicating circuit that is connected with control circuit (6) and computer monitoring circuit (7); It is characterized in that inverter circuit is frequency conversion inverter circuit (3); Alternating voltage and electric current that frequency conversion inverter circuit (3) output frequency changes; The alternating voltage that is input as frequency change and the electric current of silicon rectifier step-up transformer (4) obtain the High AC voltage and the electric current of frequency change after silicon rectifier step-up transformer (4) boosts, be output as the direct voltage and the electric current of high pressure after its rectification.
2. electric cleaner high voltage source as claimed in claim 1 is characterized in that the alternating voltage and the electric current of the frequency change of frequency conversion inverter circuit (3) output has a frequency range, and frequency range is 10%～1000% of a design work frequency.
3. electric cleaner high voltage source as claimed in claim 2; The alternating voltage and the electric current that it is characterized in that the frequency change of frequency conversion inverter circuit (3) output have a steady operation frequency in frequency range; Frequency is the design work frequency; The alternating voltage and the electric current of the frequency change of frequency conversion inverter circuit (3) output, the impedance that silicon rectifier step-up transformer (4) obtains changing, the excursion of impedance is 10%～1000% of the design impedance.
4. electric cleaner high voltage source as claimed in claim 3 is characterized in that a steady operation resistance value is arranged in the scope of impedance variations, corresponding with the steady operation frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200169158U CN202550900U (en) | 2012-01-16 | 2012-01-16 | High-voltage power supply of electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200169158U CN202550900U (en) | 2012-01-16 | 2012-01-16 | High-voltage power supply of electric dust collector |
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| Publication Number | Publication Date |
|---|---|
| CN202550900U true CN202550900U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200169158U Expired - Lifetime CN202550900U (en) | 2012-01-16 | 2012-01-16 | High-voltage power supply of electric dust collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457198A (en) * | 2012-01-16 | 2012-05-16 | 中钢集团天澄环保科技股份有限公司 | High-voltage power supply of electric dust collector |
| CN105048443A (en) * | 2015-08-27 | 2015-11-11 | 北京宏光星宇科技发展有限公司 | Shared storage battery pack based distributed DC power supply system and method |
| CN107947607A (en) * | 2017-12-02 | 2018-04-20 | 上海誉腾电源设备有限公司 | HFDC high-frequency high-voltage constant-currents power supply and control method |
-
2012
- 2012-01-16 CN CN2012200169158U patent/CN202550900U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457198A (en) * | 2012-01-16 | 2012-05-16 | 中钢集团天澄环保科技股份有限公司 | High-voltage power supply of electric dust collector |
| CN105048443A (en) * | 2015-08-27 | 2015-11-11 | 北京宏光星宇科技发展有限公司 | Shared storage battery pack based distributed DC power supply system and method |
| CN105048443B (en) * | 2015-08-27 | 2018-11-20 | 北京宏光星宇科技发展有限公司 | A kind of distributing DC power-supply system and method based on shared battery group |
| CN107947607A (en) * | 2017-12-02 | 2018-04-20 | 上海誉腾电源设备有限公司 | HFDC high-frequency high-voltage constant-currents power supply and control method |
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