CN221151195U - Output filter device in direct-current coating power supply - Google Patents
Output filter device in direct-current coating power supply Download PDFInfo
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- CN221151195U CN221151195U CN202322787131.6U CN202322787131U CN221151195U CN 221151195 U CN221151195 U CN 221151195U CN 202322787131 U CN202322787131 U CN 202322787131U CN 221151195 U CN221151195 U CN 221151195U
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- power supply
- output filter
- direct current
- rectifying circuit
- direct
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- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- 238000000576 coating method Methods 0.000 title claims abstract description 23
- 238000007747 plating Methods 0.000 claims description 5
- 238000007733 ion plating Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an output filter device in a direct current coating power supply, which comprises a direct current coating power supply, DC/AC, a rectifying circuit and output filter; the DC/AC, the rectifying circuit and the output filter are all arranged on the direct current coating power supply, and the DC/AC is connected with the rectifying circuit which is connected with the output filter. The utility model can reduce the ripple of the output voltage and improve the product quality without affecting the stability of the plasma load through simple capacitance and inductance devices; meanwhile, the automatic arc control device also has an automatic arc control function, and an arc control circuit is not required to be added independently.
Description
Technical Field
The utility model relates to an output filter device, in particular to an output filter device in a direct-current coating power supply.
Background
Conventional output filtering is achieved by series inductance followed by parallel capacitance. Such an implementation cannot take the large parallel capacitance when connecting the plasma load. If the parallel capacitor is large, the capacitor discharges the ion body load when the ion body load generates an arc, so that the stability of the ion body load is greatly influenced, and meanwhile, the product quality is influenced. If the parallel capacitance is small, the output voltage ripple is large, and the product quality is greatly affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an output filter device in a direct current coating power supply, which solves the problems in the background technology through the arrangement of the direct current coating power supply, DC/AC, a rectifying circuit and output filter.
The output filter device in the direct-current coating power supply is realized by the following technical scheme: the DC/AC power source comprises a DC coating power source, a DC/AC, a rectifying circuit and output filtering;
The DC/AC, the rectifying circuit and the output filter are all arranged on the direct current coating power supply, and the DC/AC is connected with the rectifying circuit which is connected with the output filter.
As a preferable technical scheme, the DC/AC converts direct current of the direct current coating power supply into alternating current square wave and outputs the alternating current square wave to the rectifying circuit.
As a preferred technical scheme, the rectification circuit converts the alternating current square wave of the DC/AC into a direct current square wave and outputs the direct current square wave to the output filter.
As a preferable technical scheme, the output filter consists of a series inductor and an LC resonator, wherein the series inductor changes direct-current square waves generated by the rectifying circuit into direct-current superimposed alternating-current waves; the LC resonator is configured to have a resonant frequency of LC as an alternating-current square wave frequency generated by the rectifying circuit, and to short-circuit a fundamental wave of superimposed alternating-current waves generated in the series inductor.
As the preferable technical scheme, the ion plating device also comprises an ion body load, wherein the ion body load is connected with a direct-current plating power supply.
The beneficial effects of the utility model are as follows: the utility model can reduce the ripple of the output voltage and improve the product quality without affecting the stability of the plasma load through simple capacitance and inductance devices; meanwhile, the automatic arc control device also has an automatic arc control function, and an arc control circuit is not required to be added independently.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic diagram of the output filtering of the present utility model;
Fig. 3 is a circuit diagram of the present utility model.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
As shown in fig. 1, an output filter device in a direct current coating power supply of the present utility model includes a direct current coating power supply 1, a DC/AC2, a rectifying circuit 3 and an output filter 4;
The DC/AC2, the rectifying circuit 3 and the output filter 4 are all arranged on the direct current coating power supply 1, the DC/AC2 is connected with the rectifying circuit 3, and the rectifying circuit 3 is connected with the output filter 4.
In this embodiment, the DC/AC2 converts the direct current of the direct current plating power supply 1 into an alternating current square wave, and outputs the alternating current square wave to the rectifying circuit.
In this embodiment, the rectifying circuit 3 converts an alternating current square wave of the DC/AC2 into a direct current square wave, and outputs the direct current square wave to the output filter 4.
As shown in fig. 2, the output filter 4 is composed of a series inductor 5 and an LC resonator 6, the series inductor 5 changes the direct current square wave generated by the rectifying circuit 3 into direct current superimposed alternating current wave, and the fundamental wave frequency of the alternating current wave is the same as the frequency of the alternating current square wave generated in the DC/AC 2; the LC resonator 6 is configured to have the resonant frequency of LC as the alternating current square wave frequency generated by the rectifying circuit 3 and short-circuit the fundamental wave of the superimposed alternating current wave generated in the series inductor 5; so that the ac ripple output to the plasma load 7 will become small; when an arc occurs in the ion load 7, the LC resonator 6 resonates to generate a reverse voltage, so that the arc automatically returns.
In this embodiment, the ion plating device further comprises an ion load 7, and the ion load 7 is connected with the direct-current plating power supply 1.
The working principle is as follows:
As shown in fig. 3, the direct-current coating power supply converts direct current into alternating-current square waves through DC/AC, generates direct-current square waves through a rectifying circuit, and outputs the direct-current square waves through output filtering; the output filter consists of a series inductor and an LC resonator, the series inductor changes a direct current square wave generated by a rectifying circuit into a direct current superposition alternating current wave, the fundamental wave frequency of the alternating current wave is the same as the alternating current square wave frequency generated in DC/AC, and then the fundamental wave of the superposition alternating current wave is short-circuited by the LC resonator and by configuring the LC resonance frequency in the LC resonator as the alternating current square wave frequency; so that the ac ripple output to the plasma load will become very small; when an arc occurs in the ion body load, the LC resonator resonates to generate reverse voltage, so that the arc automatically returns.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (5)
1. An output filter device in a direct current coating power supply is characterized in that: the DC/AC power supply comprises a DC film plating power supply (1), a DC/AC (2), a rectifying circuit (3) and an output filter (4);
The DC/AC (2), the rectifying circuit (3) and the output filter (4) are all arranged on the direct-current coating power supply (1), the DC/AC (2) is connected with the rectifying circuit (3), and the rectifying circuit (3) is connected with the output filter (4).
2. The output filter device in a direct current coating power supply according to claim 1, wherein: the DC/AC (2) converts direct current of the direct current coating power supply (1) into alternating current square waves and outputs the alternating current square waves to the rectifying circuit.
3. The output filter device in a direct current coating power supply according to claim 1, wherein: the rectification circuit (3) converts the alternating current square wave of the DC/AC (2) into direct current square wave and outputs the direct current square wave to the output filter (4).
4. The output filter device in a direct current coating power supply according to claim 1, wherein: the output filter (4) consists of a series inductor (5) and an LC resonator (6), and the series inductor (5) changes direct current square waves generated by the rectifier circuit (3) into direct current superposition alternating current waves; the LC resonator (6) is configured such that the resonant frequency of the LC is the alternating-current square wave frequency generated by the rectifying circuit (3), and the fundamental wave of the superimposed alternating-current wave generated in the series inductor (5) is short-circuited.
5. The output filter device in a direct current coating power supply according to claim 1, wherein: the ion plating device also comprises an ion load (7), and the ion load (7) is connected with the direct-current plating power supply (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787131.6U CN221151195U (en) | 2023-10-18 | 2023-10-18 | Output filter device in direct-current coating power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322787131.6U CN221151195U (en) | 2023-10-18 | 2023-10-18 | Output filter device in direct-current coating power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221151195U true CN221151195U (en) | 2024-06-14 |
Family
ID=91426505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322787131.6U Active CN221151195U (en) | 2023-10-18 | 2023-10-18 | Output filter device in direct-current coating power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221151195U (en) |
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2023
- 2023-10-18 CN CN202322787131.6U patent/CN221151195U/en active Active
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