CN219723239U - Composite high-frequency power supply for electric dust remover - Google Patents
Composite high-frequency power supply for electric dust remover Download PDFInfo
- Publication number
- CN219723239U CN219723239U CN202321253229.7U CN202321253229U CN219723239U CN 219723239 U CN219723239 U CN 219723239U CN 202321253229 U CN202321253229 U CN 202321253229U CN 219723239 U CN219723239 U CN 219723239U
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- China
- Prior art keywords
- power supply
- frequency power
- circuit
- composite high
- electric dust
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- 239000000428 dust Substances 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims abstract description 17
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 239000012716 precipitator Substances 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides a composite high-frequency power supply for an electric dust collector, which aims at the problems that the volume of the high-frequency power supply in the prior art can be further reduced and the output voltage of the power supply can be further improved, and belongs to the technical field of electric dust collectors. The power supply structure of the utility model improves the output voltage of the whole power supply under the condition of not changing the boosting ratio of the high-frequency transformer TM through the boosting circuit, the capacitor C2 and the resonant circuit formed by the inductance of the high-frequency transformer TM, thereby improving the efficiency of the dust remover, ensuring that the power supply is smaller on the premise of ensuring the same effect of the dust remover, and the iron core of the high-frequency transformer TM is an ultra-crystal micro-shaped iron core, and the transformer can be further made into smaller volume.
Description
Technical Field
The utility model belongs to the technical field of electric dust collectors, and particularly relates to a composite high-frequency power supply for an electric dust collector.
Background
The electric dust collector is used as environmental protection equipment in dust and waste gas treatment, a stable high-frequency high-voltage power supply is provided for the electric dust collector, the electric dust collector is a core component, the current electric dust collector power supply is developed towards the miniaturization direction, and if the conversion efficiency of the power supply is improved, the electric dust collector is always a research direction in the technical field. The conversion efficiency can be effectively improved by improving the output voltage, so that the dust removal efficiency of the electric dust remover can be directly influenced by the output voltage of the power supply of the electric dust remover.
Disclosure of Invention
The utility model provides a composite high-frequency power supply for an electric dust collector, which aims at the problem that the volume of a high-frequency power supply in the prior art can be further reduced and the output voltage of the power supply can be further improved.
The utility model aims at realizing the following technical scheme: the utility model provides a compound high frequency power supply for electrostatic precipitator, includes three-phase rectifier circuit, inverter circuit, high frequency transformer TM and the diode rectifier module that connects gradually, high frequency transformer TM's iron core is super brilliant little shaping iron core, still be equipped with boost circuit between three-phase rectifier circuit and the inverter circuit.
In the scheme, the iron core of the high-frequency transformer TM is an ultra-crystal micro-formed iron core, the ultra-crystal has higher magnetic conductivity and lower coercivity Hc than ferrite, the cross section of the iron core and the diameter of a coil are greatly reduced, and the diameter is changed
The press can be made into smaller volume, lower copper loss and iron loss, and lower temperature rise. The booster circuit is added in the high-frequency power supply, so that the voltage of the input end of the inverter circuit can be increased, the primary side voltage of the high-frequency transformer TM is increased, the secondary side voltage of the high-frequency transformer TM is also increased successively, and the output voltage of the high-frequency power supply is increased.
Preferably, the boost circuit is a boost circuit.
Preferably, the boost circuit comprises an inductor L1 and an IGBT module, one end of the IGBT module is connected with one end of the inductor L1, the other end of the IGBT module is grounded, and the two sides of the IGBT module are also connected with a capacitor C1 in parallel.
Preferably, a protection diode D1 is further provided between one end of the inductor L1 and the IGBT module, and one end of the capacitor C1. The diode prevents the capacitor C1 from discharging to ground. The continuous on-off of the IGBT module enables the two ends of the capacitor C1 to obtain voltage higher than the output end of the three-phase rectifying circuit.
Preferably, a capacitor C2 is provided between the inverter circuit and the high-frequency transformer TM, and the capacitor C2 and the inductance of the high-frequency transformer TM form a resonant circuit, so that the voltage of the power supply can be further increased.
Preferably, the output of the diode rectifier module is connected to a high voltage device.
Preferably, the inverter circuit is formed by full-bridge connection of four IGBT modules.
Compared with the prior art, the utility model has the following beneficial effects:
the iron core of the high-frequency transformer TM is an ultra-crystal micro-formed iron core, compared with ferrite, the ultra-crystal has higher magnetic permeability and lower coercive force Hc, the cross section of the iron core and the diameter of a coil are greatly reduced, and the transformer can be made into a smaller volume, lower copper loss and iron loss and lower temperature rise;
the booster circuit is added in the high-frequency power supply, so that the voltage of the input end of the inverter circuit can be increased, the primary side voltage of the high-frequency transformer TM is increased, the secondary side voltage of the high-frequency transformer TM is also increased successively, and the output voltage of the high-frequency power supply is increased;
a capacitor C2 is arranged between the inverter circuit and the high-frequency transformer TM in a hashed mode, the capacitor C2 and the inductor of the high-frequency transformer TM form a resonant circuit, and the voltage of a power supply can be further improved.
Drawings
Fig. 1 is a schematic circuit structure of the present utility model.
The marks in the figure: 1. a three-phase rectifying circuit; 2. a booster circuit; 3. an inverter circuit; 4. and the diode rectifying module.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
as shown in fig. 1, the composite high-frequency power supply for the electric dust collector comprises a three-phase rectifying circuit 1, an inverter circuit 3, a high-frequency transformer TM and diodes which are sequentially connected, wherein the output end of the diode rectifying module 4 is connected with high-voltage equipment.
The iron core of the high-frequency transformer TM is an ultra-crystal micro-forming iron core, compared with ferrite, the ultra-crystal iron core has higher magnetic conductivity and lower coercive force Hc, the cross section of the iron core and the diameter of a coil are greatly reduced, and the transformer can be made into smaller volume, lower copper loss and iron loss and lower temperature rise.
A boost circuit is further provided between the three-phase rectifying circuit 1 and the inverter circuit 3. The boost circuit 2 comprises an inductor L1 and an IGBT module, one end of the IGBT module is connected with one end of the inductor L1, the other end of the IGBT module is grounded, and capacitors C1 are connected in parallel on two sides of the IGBT module. The voltage at the two ends of the capacitor C1 is higher than the voltage at the output end of the three-phase rectifying circuit 1 through continuous on-off of the IGBT module.
A capacitor C2 is hashed between the inverter circuit 3 and the high-frequency transformer TM, and the capacitor C2 and the inductance of the high-frequency transformer TM form a resonant circuit, so that the voltage of the power supply can be further increased.
The inverter circuit 3 is formed by connecting four IGBT modules in a full bridge manner.
The power supply structure of the utility model improves the output voltage of the whole power supply under the condition of not changing the boosting ratio of the high-frequency transformer TM through the boosting circuit 2, the capacitor C2 and the resonant circuit formed by the inductance of the high-frequency transformer TM, thereby improving the efficiency of the dust remover, ensuring that the power supply is smaller on the premise of ensuring the same effect of the electric dust remover, and the iron core of the high-frequency transformer TM is an ultra-crystal micro-shaped iron core, so that the transformer can be further made into smaller volume, lower copper loss and lower temperature rise. The volume of the utility model is smaller than that of the prior power supply.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The composite high-frequency power supply for the electric dust collector is characterized by comprising a three-phase rectifying circuit (1), an inverter circuit (3), a high-frequency transformer TM and a diode rectifying module which are sequentially connected, wherein an iron core of the high-frequency transformer TM is an ultra-crystal micro-forming iron core, and a boosting circuit (2) is further arranged between the three-phase rectifying circuit (1) and the inverter circuit (3).
2. The composite high frequency power supply for an electric precipitator according to claim 1, wherein the boost circuit (2) is a boost circuit (2).
3. The composite high-frequency power supply for the electric dust collector according to claim 2, wherein the boost circuit (2) comprises an inductor L1 and an IGBT module, one end of the IGBT module is connected with one end of the inductor L1, the other end of the IGBT module is grounded, and two sides of the IGBT module are connected with a capacitor C1 in parallel.
4. A composite high frequency power supply for an electric precipitator according to claim 3, further comprising a protection diode D1 between the inductor L1 and the end of the IGBT module connection and the end of the capacitor C1.
5. Composite high frequency power supply for electric precipitator according to claim 1, characterized in that a capacitor C2 is hashed between the inverter circuit (3) and the high frequency transformer TM.
6. A composite high frequency power supply for an electric precipitator according to claim 1, in which the output of the diode rectifying module (4) is connected to high voltage equipment.
7. The composite high frequency power supply for an electric precipitator according to claim 1, wherein the inverter circuit (3) is constituted by four IGBT module full bridge connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321253229.7U CN219723239U (en) | 2023-05-19 | 2023-05-19 | Composite high-frequency power supply for electric dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321253229.7U CN219723239U (en) | 2023-05-19 | 2023-05-19 | Composite high-frequency power supply for electric dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219723239U true CN219723239U (en) | 2023-09-22 |
Family
ID=88027477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321253229.7U Active CN219723239U (en) | 2023-05-19 | 2023-05-19 | Composite high-frequency power supply for electric dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219723239U (en) |
-
2023
- 2023-05-19 CN CN202321253229.7U patent/CN219723239U/en active Active
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