CN206149155U - All -wave series connection many voltage doubler rectifier circuit , dust removal power and dust collector - Google Patents
All -wave series connection many voltage doubler rectifier circuit , dust removal power and dust collector Download PDFInfo
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- CN206149155U CN206149155U CN201621249002.5U CN201621249002U CN206149155U CN 206149155 U CN206149155 U CN 206149155U CN 201621249002 U CN201621249002 U CN 201621249002U CN 206149155 U CN206149155 U CN 206149155U
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Abstract
The utility model discloses an all -wave series connection many voltage doubler rectifier circuit, dust removal power and dust collector relates to voltage -doubling circuit technical field. Rectifier circuit includes 2 voltage -multiplying rectifier unit of a plurality of series connection, 2 voltage -multiplying rectifier unit includes a high voltage transformers, two rectifier diode and two filter capacitance, high voltage transformers T1's simple power connection, diode D1's positive pole is in proper order through electric capacity C1, be connected with diode D2's negative pole behind the electric capacity C2, diode D2's positive pole and diode D1's negative pole are connected, the secondary one end of high voltage transformers T1 is connected with diode D2's node with diode D1, the secondary other end of high voltage transformers T1 is connected with electric capacity C1 and electric capacity C2's node, diode D1 does with electric capacity C1's node and diode D2 and electric capacity C2's node two wiring ends of unit. The rectifier circuit preparation degree of difficulty is little, the good reliability, and output voltage ripple factor is little, and output characteristic is good.
Description
Technical field
This utility model is related to voltage-multiplying circuit technical field, more particularly to a kind of all-wave connect many voltage doubling rectifing circuits, remove
Dirt power supply and dust arrester.
Background technology
A large amount of dust can be all produced in process of production in industries such as electric power, metallurgy, cement, and these dust can severe contamination
Environment.The cleaner that these industries are adopted generally has cyclone dust extractor, sack cleaner, electric cleaner (to include that conventional electricity is removed
Dirt device and high-frequency and high-voltage electrostatic precipitator) etc..Electric cleaner (especially high-frequency and high-voltage electrostatic precipitator) with windage it is little, section
The high advantage of energy, efficiency of dust collection.
The operation principle schematic diagram of electric cleaner is as shown in figure 4, the high direct voltage voltage Jing high-tension electricities of electric cleaner output
Cable is delivered in dedusting electric field, dedusting electric field installs the corona wire with a large amount of bayonet fittings, and corona wire connects high direct voltage voltage
Negative pole, dedusting field case connects the positive pole of high direct voltage.When the high direct voltage for being added to dedusting electric field reaches certain value, will
There is thorn-like discharge end of a large amount of electronics from corona wire (negative pole) to release in the way of corona discharge, Jing electric field spaces reach dedusting
Field case (positive pole).If with the presence of dust granules in this electric field space, will exist by electron capture and with electronics together
Move to anode (i.e. dedusting field case) under electric field action, and be eventually adhering on dedusting field case, so as to reach dedusting
Purpose.Until after dedusting field case have accumulated a number of dust, dispose to be attached to by rapping and retracting device and remove
Dust on dirt field case is simultaneously recycled.
The DC high voltage generation circuit of electrostatic dust-removing electrical source application mainly has two kinds of forms at present, and one is bridge rectifier
Circuit (Fig. 1), two is many voltage doubling rectifing circuits of half-wave delivery type (Fig. 2), they be conversion after the single rectification of PWM ripples
After transformer boost, Jing after rectification or rectified filtering, dedusting electric field is arrived in output.
Bridge rectifier has the drawback that the amplitude and rectifier element of rectifier transformer output voltage bears voltage
Amplitude is the amplitude of the Output Voltage in Rectified Circuits, and the selection of this making and rectifier cell just to rectifier transformer brings tired
Hardly possible simultaneously reduces its functional reliability, filters original paper and will also bear same voltage amplitude and improve if filtered output
The current tolerance of rectifier element is required.This circuit output voltage characteristic is harder simultaneously, it is larger to pulse, and easily produces spark and puts
Electricity, is unfavorable for the raising of efficiency of dust collection.On the whole, this circuit production is difficult, reliability is relatively low and efficiency of dust collection improves tired
It is difficult.
The output voltage of many multiplication of voltages of half-wave delivery type (N multiplication of voltages) rectifier circuit rectifies transformator is defeated slightly larger than the rectification circuit
Go out (1/N) of voltage, therefore the manufacture difficulty of rectifier transformer is reduced, but rectifier element (including diode and electric capacity) is then subjected to
Two times of rectifier transformer output voltage, its original paper is selected and functional reliability all be present；Circuit is loaded
In the case of, can progressively weaken in energy transmittance process from front to back, thus output characteristics is partially soft, output voltage during load change
Change greatly, simultaneously because halfwave rectifier, so output voltage pulsation is larger, such voltage easily goes out in dedusting electric field
Existing spark discharge, spark discharge is a kind of instantaneous high-intensity discharge, can cause Voltage Drop in dedusting electric field, and produce strong electricity
Stream pulse, so as to waste electric energy, reduces dust removing effects.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of many voltage doubling rectifing circuits of all-wave series connection, the rectification
Circuit production difficulty is little, highly reliable, and output voltage ripple factor is little, good output.
To solve above-mentioned technical problem, technical solution adopted in the utility model is：A kind of all-wave is connected many times of repoussages
Current circuit, it is characterised in that：Including the 2 voltage multiplying rectifier units that several are connected in series, each described 2 voltage multiplying rectifier unit includes
One high-tension transformer, two commutation diodes and two filter capacitors, the simple of high-tension transformer T1 meet power supply, diode D1
Anode be connected with the negative electrode of diode D2 Jing after electric capacity C1, electric capacity C2 successively, the anode of diode D2 and the moon of diode D1
Pole connects, the Node connectedness of one end of T1 level of high-tension transformer and diode D1 and diode D2, T1 level of high-tension transformer
The other end and electric capacity C1 and electric capacity C2 Node connectedness, in each unit, the node of diode D1 and electric capacity C1 is the unit
A terminals, the node of diode D2 and electric capacity C2 is another terminals of the unit, first 2 voltage multiplying rectifier list
First to connect with last 2 voltage multiplying rectifier unit Jing after several 2 voltage multiplying rectifier units, two after several unit series connection are certainly
By two outfans held as the rectification circuit, in two free ends, the node of diode D2 and electric capacity C2 is the rectification
The cathode output end of circuit, the node of diode D1 and electric capacity C1 is the cathode output end of the rectification circuit.
Preferably, the 2 frequency multiplication rectification unit is two or more.
The invention also discloses a kind of electrostatic dust-removing electrical source, it is characterised in that：Filter including power frequency supply rectification
The many voltage doubling rectifing circuits of wave circuit, high-frequency inverter circuit and all-wave series connection, the input of the power frequency supply current rectifying and wave filtering circuit
Alternating current power supply is connect, the outfan of the power frequency supply current rectifying and wave filtering circuit is connected with the input of the high-frequency inverter circuit, institute
The input for stating many voltage doubling rectifing circuits of outfan and all-wave series connection of high-frequency inverter circuit is connected, and the all-wave series connection is more
The outfan of voltage doubling rectifing circuit is the outfan of the dedusting power source, and the all-wave connects many voltage doubling rectifing circuits for aforementioned complete
Wave train joins many voltage doubling rectifing circuits.
Preferably, the input termination 380V alternating currents of the power frequency supply current rectifying and wave filtering circuit, are output as the direct current of 500V
Voltage.
Preferably, the high-frequency inverter circuit output frequency is 20kHZPwm pulse ripple.
The invention also discloses a kind of dust arrester, it is characterised in that：Including dedusting power source, dedusting electric field andCorona Line, the dedusting power source be aforementioned electrostatic dust-removing electrical source, the cathode output end of the dedusting power source with it is describedCorona wireEven
Connect, it is describedCorona wireIn the dedusting electric field, the dedusting electric field ground connection.
Using the beneficial effect produced by above-mentioned technical proposal it is：The rectification circuit uses multiple rectifier transformers,
The power output of each transformator is reduced, manufacture difficulty is correspondingly reduced, while voltage capacitance is subjected only to one times of rectification change again
Depressor output voltage, is significantly increased reliability., due to being all wave rectification, output voltage ripple factor is little for this circuit structure,
The output characteristics of circuit is improved simultaneously, is conducive to the raising of equipment efficiency of dust collection.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is the schematic diagram of bridge rectifier in prior art；
Fig. 2 is the schematic diagram of half-wave delivery type multiple frequence rectification circuit in prior art；
Fig. 3 is the schematic diagram of many voltage doubling rectifing circuits of all-wave series connection described in this utility model embodiment；
Fig. 4 is the structural representation of dust arrester in prior art；
Fig. 5 is the structural representation of dust arrester described in this utility model embodiment；
Wherein：1st, dedusting electric field 2,Corona wire。
Specific embodiment
With reference to the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Many details are elaborated in the following description in order to fully understand this utility model, but this practicality is new
Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore this utility model is not limited by following public specific embodiment.
As shown in figure 3, this utility model embodiment discloses a kind of many voltage doubling rectifing circuits of all-wave series connection, including several
2 voltage multiplying rectifier units being connected in series.Each described 2 voltage multiplying rectifier unit includes a high-tension transformer, two two poles of rectification
Pipe and two filter capacitors, the simple of high-tension transformer T1 connect power supply, and the anode of diode D1 is successively Jing after electric capacity C1, electric capacity C2
It is connected with the negative electrode of diode D2, the anode of diode D2 is connected with the negative electrode of diode D1, the one of T1 level of high-tension transformer
End and the Node connectedness of diode D1 and diode D2, the other end of T1 level of high-tension transformer and the knot of electric capacity C1 and electric capacity C2
Point connection, in each unit, the node of diode D1 and electric capacity C1 is a terminals of the unit, diode D2 and electric capacity
The node of C2 is another terminals of the unit, first 2 voltage multiplying rectifier unit Jing after several 2 voltage multiplying rectifier units with
Last 2 voltage multiplying rectifier unit is connected, and two free ends after several unit series connection are two of the rectification circuit defeated
Go out end, in two free ends, the node of diode D2 and electric capacity C2 is the cathode output end of the rectification circuit, diode D1 with
The node of electric capacity C1 is the cathode output end of the rectification circuit.
It should be noted that those skilled in the art can be appropriate according to actual needs adjustment 2 voltage multiplying rectifier unit
Number, to adapt to the needs of different brackets voltage, preferably using two or more.
In Fig. 3, this voltage amplitude of 2 voltage multiplying rectifier units in steady operation on filter capacitor C1, C2 is high voltage variable
The amplitude of depressor T1 output voltages, thus the high-tension transformer T1 outputs of about 2 times of output voltage of the unit in steady operation
The amplitude of voltage.
Between the negative half-cycle of high-tension transformer T1 output voltages, high-tension transformer T1 is electric capacity through commutation diode D1
C1 charges, and current path is as shown on the solid line in figure 3 so as on voltage rise to the amplitude of high-tension transformer T1 output voltages.
While the voltage (both output voltages of many voltage-multiplying circuits) on electric capacity C1, C2 is by load discharge, as electric capacity C2 is in this section
Time is not electrically charged, so the voltage on this period electric capacity C2 has declined.
Between the positive half period of high-tension transformer T1 output voltages, high-tension transformer T1 is electric capacity through commutation diode D2
C2 charges, and current path is as shown in phantom in Figure 3 so as on voltage rise to the amplitude of high-tension transformer output voltage.With
Voltage on the reason for going up identical electric capacity C1 this period has declined.
So, the output voltage of this 2 voltage multiplying rectifier unit is exactly the voltage in series capacitance C1, C2, about high pressure transformation
2 times of device T1 output voltage amplitudes.It is together in series by several units as (N number of), so that it may obtain many voltage doubling rectifing circuits,
Output voltage is about 2N times of high-tension transformer output voltage amplitude.As series capacitance C1, C2 mono- is while charging, separately
One then in electric discharge, thus the voltage in series capacitance C1, C2 is basicly stable, is pulsed less, also both many voltage-multiplying circuits
Output voltage be basicly stable, very little of pulsing, the favourable average electric field field intensity for improving dedusting improve efficiency of dust collection.
As shown in figure 5, the invention also discloses a kind of electrostatic dust-removing electrical source, including power frequency supply rectifying and wave-filtering
The many voltage doubling rectifing circuits of circuit, high-frequency inverter circuit and all-wave series connection.The input termination of the power frequency supply current rectifying and wave filtering circuit
Alternating current power supply, the outfan of the power frequency supply current rectifying and wave filtering circuit are connected with the input of the high-frequency inverter circuit, described
The outfan of high-frequency inverter circuit is connected with the input of many voltage doubling rectifing circuits of all-wave series connection, and the all-wave connects many times
The outfan of voltage rectifier is the outfan of the dedusting power source, and the all-wave connects many voltage doubling rectifing circuits for aforesaid complete
Wave train joins many voltage doubling rectifing circuits.
Because of the dedusting power source many voltage doubling rectifing circuits of all-wave series connection, so, many voltage doubling rectifing circuits of all-wave series connection
Have the advantage that the dedusting power source all has, therefore, be conducive to improving dust removing effects.
As shown in figure 5, the invention also discloses a kind of dust arrester, it is characterised in that：Including dedusting power source, dedusting
1 He of electric fieldCorona wire2.The dedusting power source be aforementioned electrostatic dust-removing electrical source, the cathode output end of the dedusting power source with
It is describedCorona wire2 connections, it is describedCorona wire2 are located in the dedusting electric field 1, and the dedusting electric field 1 is grounded.
Preferably, the input of power frequency supply current rectifying and wave filtering circuit is 380V three-phase main-frequency sinusoidal voltages, and output is
About 500V basicly stable DC voltage, it is for about 20kH to be converted into frequency for high-frequency inverter circuitZThe pwm pulse ripple of left and right.Should
Pwm pulse ripple carries out voltage multiplying rectifier filtering Jing after all-wave connects the high-tension transformer boosting in many voltage doubling rectifing circuits, becomes base
Dedusting electric field is sent into after this stable high direct voltage, dustproof function is played to dusty gas.
Claims (6)
1. a kind of all-wave is connected many voltage doubling rectifing circuits, it is characterised in that：Including the 2 voltage multiplying rectifier lists that several are connected in series
Unit, each described 2 voltage multiplying rectifier unit include a high-tension transformer, two commutation diodes and two filter capacitors, high pressure
The simple of transformator T1 connects power supply, and the anode of diode D1 is connected with the negative electrode of diode D2 Jing after electric capacity C1, electric capacity C2 successively,
The anode of diode D2 is connected with the negative electrode of diode D1, one end and the diode D1 and diode D2 of T1 level of high-tension transformer
Node connectedness, the other end of T1 level of high-tension transformer and the Node connectedness of electric capacity C1 and electric capacity C2, two poles in each unit
The node of pipe D1 and electric capacity C1 is a terminals of the unit, and the node of diode D2 and electric capacity C2 is the another of the unit
One terminals, first 2 voltage multiplying rectifier unit Jing after several 2 voltage multiplying rectifier units with last 2 voltage multiplying rectifier unit
Series connection, two free ends after several unit series connection are two outfans of the rectification circuit, in two free ends, two poles
The node of pipe D2 and electric capacity C2 is the cathode output end of the rectification circuit, and the node of diode D1 and electric capacity C1 is the rectification
The cathode output end of circuit.
2. all-wave as claimed in claim 1 is connected many voltage doubling rectifing circuits, it is characterised in that：The 2 frequency multiplication rectification unit is
Two or more.
3. a kind of electrostatic dust-removing electrical source, it is characterised in that：Including power frequency supply current rectifying and wave filtering circuit, high-frequency inverter circuit and
The many voltage doubling rectifing circuits of all-wave series connection, the input termination alternating current power supply of the power frequency supply current rectifying and wave filtering circuit, the power frequency electric
The outfan of source current rectifying and wave filtering circuit is connected with the input of the high-frequency inverter circuit, the outfan of the high-frequency inverter circuit
Be connected with the connect input of many voltage doubling rectifing circuits of the all-wave, the outfan of many voltage doubling rectifing circuits of the all-wave series connection is
The outfan of the dedusting power source, the all-wave many voltage doubling rectifing circuits of connecting are as described in any one in claim 1-2
All-wave connect many voltage doubling rectifing circuits.
4. electrostatic dust-removing electrical source as claimed in claim 3, it is characterised in that：The power frequency supply current rectifying and wave filtering circuit
Input termination 380V alternating currents, are output as the DC voltage of 500V.
5. electrostatic dust-removing electrical source as claimed in claim 3, it is characterised in that：The high-frequency inverter circuit output frequency is
20kHZPwm pulse ripple.
6. a kind of dust arrester, it is characterised in that：Including dedusting power source, dedusting electric field (1) and corona wire (2), the dedusting electricity
Source is the electrostatic dust-removing electrical source as described in any one in claim 3-5, the cathode output end of the dedusting power source with
Corona wire (2) connection, in the dedusting electric field (1), the dedusting electric field (1) is grounded the corona wire (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621249002.5U CN206149155U (en) | 2016-11-22 | 2016-11-22 | All -wave series connection many voltage doubler rectifier circuit , dust removal power and dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621249002.5U CN206149155U (en) | 2016-11-22 | 2016-11-22 | All -wave series connection many voltage doubler rectifier circuit , dust removal power and dust collector |
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| CN206149155U true CN206149155U (en) | 2017-05-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411155A (en) * | 2016-11-22 | 2017-02-15 | 天津市净达环保科技有限公司 | Full-wave series voltage multi-voltage-doubling rectifier circuit, dedusting power supply and dust removing device |
-
2016
- 2016-11-22 CN CN201621249002.5U patent/CN206149155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411155A (en) * | 2016-11-22 | 2017-02-15 | 天津市净达环保科技有限公司 | Full-wave series voltage multi-voltage-doubling rectifier circuit, dedusting power supply and dust removing device |
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