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Coating power supply system and coating device comprising same

A power system and circuit technology, applied in the power supply field, can solve the problems of inability to realize input and output applications, difficult to meet power quality requirements, and inability to output square wave pulses, so as to improve stability and safety, prevent pulse mutation, and reduce dynamic The effect of fluctuations

Pending Publication Date: 2022-03-18
固赢科技(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This solution does not optimize the power supply system, cannot realize a wide range of input and output applications, cannot output square wave pulses suitable for photovoltaic coating, semiconductor coating and other application fields, and is difficult to meet the power quality requirements of application scenarios with high power performance requirements

Method used

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  • Coating power supply system and coating device comprising same
  • Coating power supply system and coating device comprising same
  • Coating power supply system and coating device comprising same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] The conventional power supply system generally adopts AC rectification and performs one-stage DC-DC isolation voltage regulation pulse output, which is difficult to achieve a wide range of input and output applications, and the output pulse waveform is mostly sine wave, and the square wave pulse power supply is less, which is difficult to meet Power supply quality requirements in application fields such as photovoltaic coating and semiconductor coating can easily cause damage to back-end equipment and affect production efficiency. The existing technology does not optimize the power system, cannot realize a wide range of input and output applications, cannot output square wave pulses suitable for photovoltaic coating, semiconductor coating and other application fields, and is difficult to meet the power quality requirements of application scenarios with high power performance requirements.

[0081] In view of the above problems, the embodiment of the present application p...

Embodiment 2

[0090] For ease of understanding, an example of a coating power supply system is provided below for illustration. In practical applications, the boost DCDC circuit will use a MOS boost circuit, and the isolated DCDC circuit will use a bridge converter. When the pulse generating circuit is a ladder When the wave generating circuit is used, the bridge inverter circuit can use a three-level H-bridge circuit to output a ladder wave according to the driving sequence to meet the demand for high-quality square wave pulses in photovoltaic coating, semiconductor coating and other application fields.

[0091] see Figure 2 to Figure 5 , Embodiment 2 of the coating power supply system shown in the embodiment of the present application includes:

[0092] Such as figure 2 As shown, the step-up DCDC circuit is a MOS step-up circuit, that is, a MOS tube step-up circuit, and the MOS tube refers to a field effect tube. Specifically, the MOS boost circuit includes a capacitor C1, an inductor...

Embodiment 3

[0106] For ease of understanding, an embodiment of the coating power supply system is provided below for illustration. In practical applications, after the treatment of the isolated DCDC circuit, the voltage regulating DCDC circuit will be further designed, and the H bridge circuit will be used to output T Type wave to meet the needs of more application scenarios.

[0107] see Figure 6 and Figure 7 , the third embodiment of the coating power system shown in the embodiment of the present application includes:

[0108] When the pulse generating circuit is a T-shaped wave generating circuit, if the voltage regulating DCDC circuit is a three-level BUCK circuit, a MOS transistor Q18 is connected in parallel at both ends of the diode D13, and a MOS transistor Q19 is connected in parallel at both ends of the diode D14; if the voltage regulating DCDC circuit For a BUCK circuit, a MOS transistor Q20 is connected in parallel at both ends of the diode D16.

[0109] When the pulse ge...

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Abstract

The invention relates to a coating power supply system. The coating power supply system comprises a boost DCDC circuit, an isolation DCDC circuit, a voltage regulation DCDC circuit and a pulse generation circuit, the output end of the boost DCDC circuit is connected with the input end of the isolation DCDC circuit; the output end of the isolation DCDC circuit is connected with the input end of the voltage regulation DCDC circuit; the output end of the voltage regulation DCDC circuit is connected with the input end of the pulse generation circuit; the isolation DCDC circuit comprises a filter inductor L2 and an energy storage capacitor C3, and the filter inductor L2 is short-circuited through a short-circuit switch K1; the pulse generating circuit comprises a bridge type inverter circuit and an output circuit, and the output circuit is formed by connecting an output inductor L5 and an output load in series; the input end of the boost DCDC circuit is connected with a rectifier, and the rectifier is used for converting an AC input voltage into a low-frequency DC voltage. According to the scheme provided by the invention, the square wave pulse suitable for the application fields of photovoltaic coating, semiconductor coating and the like can be output, and the power supply quality requirement of an application scene with high power supply performance requirement is met.

Description

technical field [0001] This application relates to the field of power supply technology, in particular to a coating power system and a coating device including a coating power system. Background technique [0002] The conventional power supply system generally adopts AC rectification and performs one-stage DC-DC isolation voltage regulation pulse output, which is difficult to achieve a wide range of input and output applications, and the output pulse waveform is mostly sine wave, and the square wave pulse power supply is less, which is difficult to meet Power supply quality requirements in application fields such as photovoltaic coating and semiconductor coating can easily cause damage to back-end equipment and affect production efficiency. [0003] In the prior art, in the patent (a photovoltaic glass coating control system) with the publication number CN104570984A, the coating control system includes a controller and a power supply, and the input end of the controller is c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M9/00H02M9/06H02M9/02H02M3/156H02M3/158H02M3/335H02M1/32
CPCH02M11/00H02M3/33569H02M3/156H02M3/1588H02M3/158H02M1/32
Inventor 刘力张小彬
Owner 固赢科技(深圳)有限公司
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