CN207853769U - A kind of high-voltage power apparatus and electronic equipment - Google Patents
A kind of high-voltage power apparatus and electronic equipment Download PDFInfo
- Publication number
- CN207853769U CN207853769U CN201721684211.7U CN201721684211U CN207853769U CN 207853769 U CN207853769 U CN 207853769U CN 201721684211 U CN201721684211 U CN 201721684211U CN 207853769 U CN207853769 U CN 207853769U
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Abstract
The utility model embodiment discloses a kind of high-voltage power apparatus and electronic equipment, high-voltage power apparatus is used with transformer self-oscillation, transformer feedback voltage is by resistance-capacitance coupling, drive half-bridge switch pipe open-minded in turn, so that input current waveform at 60 ° or before reach current threshold, at 60 ° or before there is peak value, be just reduced to current threshold once after 90 °, to substantially reduce current harmonics and hoisting power factor, 3~11 times odd harmonic substantially reduces.
Description
Technical field
The utility model is related to electronic technology fields, and in particular to a kind of high-voltage power apparatus and electronic equipment.
Background technology
Existing high voltage power supply is when AC/DC is converted, higher hamonic wave produced by the big electrolytic capacitor filtering after bridge rectifier
Pollute utility network so that current distortion rate (THD) is very big, some high to 200% or more (Fig. 1 THD=201.2) 3~11 times
Odd harmonic exceeds too many (Fig. 1)；Alternating current net side power factor (PF) is low, generally 0.7 hereinafter, even lower than 0.5 (Fig. 1 power because
Element=0.451).These, which generate higher hamonic wave and the product of low-power factor, can cause utility network very major injury.
Utility model content
A kind of high-voltage power apparatus of the utility model offer and electronic equipment, on the basis for not increasing material and production cost
On, current harmonics can be substantially reduced and improve power factor (PF).
In order to solve the above technical problems, one of the utility model use technical solution is：A kind of high-voltage electricity is provided
Source device, including rectification circuit, inverter circuit and booster circuit；The rectification circuit is connected with inverter circuit, the inversion
Circuit is connected with booster circuit, the voltage signal progress rectification that the rectification circuit is used to input power supply, and by rectification
D. c. voltage signal afterwards is directly output to inverter circuit, and the inverter circuit is used to the d. c. voltage signal being converted to friendship
Signal is flowed, the booster circuit is used to the AC signal carrying out boosting processing, and exports high-voltage signal；Wherein, the liter
Volt circuit includes the first feedback winding, the second feedback winding and main winding, first feedback winding, the second feedback winding point
It is not 1 with the no-load voltage ratio of main winding：26.7.
Wherein, the booster circuit further includes auxiliary winding, first feedback winding, the second feedback winding and main winding
It is coupled respectively to the auxiliary winding, the both ends of the auxiliary winding export high-voltage signal as the output end of the booster circuit.
Wherein, the tie point between the rectification circuit and the inverter circuit includes the first tie point and the second connection
Point, the rectification circuit include the first diode, the second diode, third diode and the 4th diode；Described 1st
The anode of pole pipe connects the cathode of second diode, and the cathode of first diode and the cathode of third diode connect
It is connected on first tie point, the anode of second diode and the anode of the 4th diode are connected to described the
On two tie points, the anode of the third diode connects the cathode of the 4th diode.
Wherein, the tie point between first diode and the second diode and the third diode and the 4th
Tie point between diode, the input terminal as the rectification circuit are used to connect power supply, and the power supply is defeated
Go out the power supply of alternating current 220V.
Wherein, the power supply is connect by fuse with rectification circuit.
Wherein, the tie point between the rectification circuit and the inverter circuit includes the first tie point and the second connection
Point；The inverter circuit include the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th diode, the 6th diode,
7th diode, the 8th diode, the 9th diode, the tenth diode, the first triode and the second triode；First electricity
Hold and second capacitance connects to form capacitive series branch, one end of the capacitive series branch, the 5th diode
The collector of cathode and first triode is connected on first tie point, the capacitive series branch it is another
End, the anode of the 6th diode, the cathode of the 8th diode, the anode of the tenth diode are connected to second tie point
On, second tie point is connected with one end of second feedback winding, and the positive, described 6th of the 5th diode the
The cathode of diode, the cathode of the 7th diode, the collector of the second triode, the 9th diode anode be connected to it is described
On one end of first feedback winding, the anode of the 7th diode is connect with the emitter of the first triode, the third electricity
One end of appearance is connect with the base stage of the first triode, the other end of the other end of the third capacitance and first feedback winding
Connection, the cathode of the 9th diode are connect with the base stage of the first triode, the base stage and collector of first triode
The anode of connection, the 8th diode is connected with the emitter of second triode, one end of the 4th capacitance and the
The base stages of two triodes connects, and the other end of the 4th capacitance is connected with the other end of second feedback winding, and described the
The cathode of ten diodes is connect with the base stage of the second triode, and the base stage of second triode is connected with collector, the master
One end of winding is connected to one end of first feedback winding, and the other end of the main winding is connected to the first capacitance and second
On the tie point of capacitance.
Wherein, the inverter circuit further include first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance with
And the 6th resistance；The first resistor is connected between the base stage and collector of the first triode, and the second resistance is connected to
Between the base stage and collector of second triode, the 3rd resistor is connected to described one end of the first triode and third capacitance
Between, the 4th resistance is connected between the second triode and described one end of the 4th capacitance, and the 5th resistance is connected to
Between the cathode and the base stage of the first triode of 9th diode, the 6th resistance is connected to the tenth diode
Between cathode and the base stage of the first triode.
In order to solve the above technical problems, the utility model use is there are one technical solution：A kind of electronics is provided to set
Standby, which includes above-mentioned high-voltage power apparatus.
Wherein, the electronic equipment is air purifier.
The utility model has the beneficial effects that being different from existing odd number, the utility model will be filtered in AC/DC half-bridge converters
The big electrolytic capacitor of wave removes, and the capacitance arm of 100Hz pulsating direct currents access semi-bridge inversion after bridge rectifier is changed to, using same transformation
Device self-oscillation, transformer feedback voltage is by resistance-capacitance coupling, and driving half-bridge switch pipe is open-minded in turn so that input current waveform exists
60 ° or reach current threshold before, at 60 ° or before there is peak value, be just reduced to current threshold once after 90 °, to
Current harmonics and hoisting power factor are substantially reduced, 3~11 times odd harmonic substantially reduces.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those skilled in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is that pictorial diagram is surveyed in big electrolytic capacitor filtering in the prior art.
Fig. 2 is the structural schematic diagram for the high-voltage power apparatus that the utility model embodiment provides.
Fig. 3 is the specific implementation circuit diagram for the high-voltage power apparatus that the utility model embodiment provides.
Fig. 4 is that the utility model surveys pictorial diagram without filter capacitor.
Fig. 5 is the voltage of the utility model high-voltage power apparatus, current waveform schematic diagram.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of high-voltage power apparatus of the utility model embodiment offer and electronic equipment.
Wherein, Fig. 2-Fig. 3 is please referred to, the high-voltage power apparatus of the utility model includes rectification circuit 101, inversion electricity
Road 102 and booster circuit 103, wherein rectification circuit 101 and inverter circuit 102 connect, inverter circuit 102 and booster circuit
103 connections, the voltage signal progress rectification that rectification circuit 101 is used to input power supply, and by the DC voltage after rectification
Signal is directly output to inverter circuit 102, and inverter circuit 102 is used to d. c. voltage signal being converted to AC signal, boosting electricity
Road 103 is used to AC signal carrying out boosting processing, and exports high-voltage signal；Wherein, booster circuit 103 include first feedback around
Group, the second feedback winding and main winding N2, the first feedback winding NF1, the second feedback winding NF2 respectively with the no-load voltage ratio of main winding
It is 1：26.7.
Wherein, booster circuit 103 further includes auxiliary winding N1, the first feedback winding NF1, the second feedback winding NF2 and master
Winding N2 is coupled respectively to auxiliary winding N1, and the both ends of auxiliary winding N1 export high-voltage signal as the output end of booster circuit 103.
Wherein, the tie point between rectification circuit 101 and inverter circuit 102 includes the first tie point A and the second tie point
B, rectification circuit 101 include the first diode D1, the second diode D2, third diode D3 and the 4th diode D4, first
The cathode of the second diode D2 of anode connection of diode D1, the cathode of the first diode D1 and the cathode of third diode D3 are equal
It is connected on the first tie point A, the anode of the second diode D2 and the anode of the 4th diode D4 are connected to the second tie point B
On, the cathode of the 4th diode D4 of anode connection of third diode D3.
Wherein, the tie point and third diode D3 and the four or two between the first diode D1 and the second diode D2
Tie point between pole pipe D4, the input terminal as rectification circuit 101 are exchanged for connecting power supply, power supply for output
The power supply of 220V.
Wherein, power supply is connect by fuse FU with rectification circuit 101.
Wherein, the tie point between rectification circuit 101 and inverter circuit 102 includes the first tie point A and the second tie point
B, inverter circuit 102 include the first capacitance C1, the second capacitance C2, third capacitance C3, the 4th capacitance C4, the 5th diode D5, the
Six diode D6, the 7th diode D7, the 8th diode D8, the 9th diode D9, the tenth diode D10, the first triode Q1
It connects to form capacitive series branch with the second triode Q2, the first capacitance C1 and the second capacitance C2, one end of capacitive series branch,
The collector of the cathode of 5th diode D5 and the first triode Q1 are connected on the first tie point A, capacitive series branch
The other end, the anode of the 6th diode D6, the cathode of the 8th diode D8, the tenth diode D10 anode be connected to
On two tie point B, one end of the second tie point B and the second feedback winding NF2 are connected, the anode of the 5th diode D5, the 6th
The cathode of diode D6, the cathode of the 7th diode D7, the collector of the second triode Q2, the positive of the 9th diode D9 connect
It is connected on one end of the first feedback winding NF1, the anode of the 7th diode D7 is connect with the emitter of the first triode Q1, third
One end of capacitance C3 is connect with the base stage of the first triode Q1, and the other end of third capacitance C3 is another with the first feedback winding NF1's
One end connects, and the cathode of the 9th diode D9 is connect with the base stage of the first triode Q1, the base stage and current collection of the first triode Q1
Pole connects, and the anode of the 8th diode D8 is connected with the emitter of the second triode Q2, one end and the two or three of the 4th capacitance C4
The base stage of pole pipe Q2 connects, the other end connection of the other end of the 4th capacitance C4 and the second feedback winding NF2, the tenth diode
The cathode of D10 is connect with the base stage of the second triode Q2, and the base stage of the second triode D3 is connected with collector, and the one of main winding N2
End is connected to one end of the first feedback winding NF1, and the other end of main winding N2 is connected to the first capacitance C1's and the second capacitance C2
On tie point.
Wherein, inverter circuit 102 further includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4,
Five resistance R5 and the 6th resistance R6, wherein first resistor R1 are connected between the base stage and collector of the first triode Q1, the
Two resistance R2 are connected between the base stage and collector of the second triode Q2, and 3rd resistor R3 is connected to the first triode Q1 and
Between one end of three capacitance C3, the 4th resistance R4 is connected between the second triode Q2 and one end of the 4th capacitance C4, the 5th electricity
Resistance R5 is connected between the cathode of the 9th diode D9 and the base stage of the first triode Q1, and the 6th resistance R6 is connected to the 12nd pole
Between the cathode of pipe D10 and the base stage of the first triode Q1.
Above-mentioned high-voltage power apparatus based on the utility model, the big electrolytic capacitor that will be filtered in AC/DC half-bridge converters
Removal is changed to the capacitance arm of 100Hz pulsating direct currents access semi-bridge inversion after bridge rectifier, using same transformer self-oscillation, change
For depressor feedback voltage by resistance-capacitance coupling, driving half-bridge switch pipe is open-minded in turn, please refers to Fig. 4 so that input current waveform
At 60 ° or before reach current threshold, at 60 ° or before there is peak value, be just reduced to current threshold once after 90 °, from
And current harmonics and hoisting power factor are substantially reduced, 3~11 times odd harmonic substantially reduces.
The inverter circuit of the utility model high-voltage power apparatus plays a kind of small-power Passive Power factor correction circuit
Effect, due to the energy storage without big filter capacitor, in addition the cooperation of feedback circuit so that input current waveform is similar to active
The envelope (please referring to Fig. 5) that copped wave is formed in power factor (PF) circuit.To reach reduction current harmonics and improve power factor (PF)
Effect；Do not increase material and production cost simultaneously.
On the basis of a kind of above high-voltage power apparatus provided by the utility model, the utility model further provides for one
Kind of electronic equipment, the electronic equipment include above-mentioned high-voltage power apparatus.
In terms of the electronic equipment of the utility model can be applied to high voltage electric field electrostatic precipitation, air purification.
Wherein, as a kind of specific implementation, the electronic equipment of the utility model can be air purifier.
A kind of high-voltage power apparatus and electronic equipment provided above to the utility model embodiment has carried out detailed Jie
It continues, specific case used herein is expounded the principles of the present invention and embodiment, and above example is said
The bright method and its core concept for being merely used to help understand the utility model；Meanwhile for those skilled in the art, foundation
The thought of the utility model, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of high-voltage power apparatus, which is characterized in that including rectification circuit, inverter circuit and booster circuit；
The rectification circuit is connected with inverter circuit, and the inverter circuit is connected with booster circuit, and the rectification circuit is used for will
The voltage signal of power supply input carries out rectification, and the d. c. voltage signal after rectification is directly output to inverter circuit, institute
Inverter circuit is stated for the d. c. voltage signal to be converted to AC signal, the booster circuit is used for the AC signal
Boosting processing is carried out, and exports high-voltage signal；
Wherein, the booster circuit include the first feedback winding, the second feedback winding and main winding, it is described first feedback around
Group, the second feedback winding are respectively 1 with the no-load voltage ratio of main winding：26.7.
2. supply unit according to claim 1, which is characterized in that the booster circuit further includes auxiliary winding, and described
One feedback winding, the second feedback winding and main winding are coupled respectively to the auxiliary winding, and the both ends of the auxiliary winding are as institute
State the output end output high-voltage signal of booster circuit.
3. supply unit according to claim 1, which is characterized in that between the rectification circuit and the inverter circuit
Tie point includes the first tie point and the second tie point, and the rectification circuit includes the first diode, the second diode, the three or two
Pole pipe and the 4th diode；
The anode of first diode connects the cathode of second diode, the cathode and the three or two of first diode
The cathode of pole pipe is connected on first tie point, the anode of second diode and the anode of the 4th diode
It is connected on second tie point, the anode of the third diode connects the cathode of the 4th diode.
4. supply unit according to claim 3, which is characterized in that between first diode and the second diode
Tie point between tie point and the third diode and the 4th diode, the input terminal as the rectification circuit are used
In connection power supply, the power supply is the power supply for exporting alternating current 220V.
5. supply unit according to claim 4, feature exist, the power supply is connected by fuse and rectification circuit
It connects.
6. supply unit according to claim 1, which is characterized in that between the rectification circuit and the inverter circuit
Tie point includes the first tie point and the second tie point；
The inverter circuit includes the first capacitance, the second capacitance, third capacitance, the 4th capacitance, the 5th diode, the six or two pole
Pipe, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the first triode and the second triode；
First capacitance and second capacitance connect to form capacitive series branch, one end of the capacitive series branch, institute
The collector of the cathode and first triode of stating the 5th diode is connected on first tie point, the capacitance
The other end of series arm, the anode of the 6th diode, the cathode of the 8th diode, the anode of the tenth diode are connected to institute
It states on the second tie point, second tie point is connected with one end of second feedback winding, the 5th diode
The cathode of positive, described 6th diode, the cathode of the 7th diode, the collector of the second triode, the 9th diode are just
Pole is connected on one end of first feedback winding, and the anode of the 7th diode connects with the emitter of the first triode
It connects, one end of the third capacitance is connect with the base stage of the first triode, and the other end of the third capacitance is anti-with described first
The other end connection of winding is presented, the cathode of the 9th diode is connect with the base stage of the first triode, first triode
Base stage connected with collector, the 8th diode anode connected with the emitter of second triode, the described 4th
One end of capacitance is connect with the base stage of the second triode, the other end of the 4th capacitance and second feedback winding it is another
End connection, the cathode of the tenth diode are connect with the base stage of the second triode, the base stage and current collection of second triode
Pole connects, and one end of the main winding is connected to one end of first feedback winding, and the other end of the main winding is connected to
On the tie point of first capacitance and the second capacitance.
7. supply unit according to claim 6, which is characterized in that the inverter circuit further includes first resistor, second
Resistance, 3rd resistor, the 4th resistance, the 5th resistance and the 6th resistance；
The first resistor is connected between the base stage and collector of the first triode, and the second resistance is connected to the two or three pole
Between the base stage and collector of pipe, the 3rd resistor is connected between the first triode and described one end of third capacitance, institute
It states the 4th resistance to be connected between the second triode and described one end of the 4th capacitance, the 5th resistance is connected to the described 9th
Between the cathode of diode and the base stage of the first triode, the 6th resistance is connected to the cathode and of the tenth diode
Between the base stage of one triode.
8. a kind of electronic equipment, which is characterized in that including claim 1-7 any one of them high-voltage power apparatus.
9. electronic equipment according to claim 8, which is characterized in that the electronic equipment is air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684211.7U CN207853769U (en) | 2017-12-06 | 2017-12-06 | A kind of high-voltage power apparatus and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684211.7U CN207853769U (en) | 2017-12-06 | 2017-12-06 | A kind of high-voltage power apparatus and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853769U true CN207853769U (en) | 2018-09-11 |
Family
ID=63423728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721684211.7U Expired - Fee Related CN207853769U (en) | 2017-12-06 | 2017-12-06 | A kind of high-voltage power apparatus and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853769U (en) |
-
2017
- 2017-12-06 CN CN201721684211.7U patent/CN207853769U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190425 Address after: 110000 Qianmin Village, Yuhong Township, Yuhong District, Shenyang City, Liaoning Province Patentee after: Shenyang Jifeng Electric Power Equipment Co., Ltd. Address before: 528200 No. 254 Shengtang Village, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee before: Mai Linshi |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20201206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |