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A ±1kv DC switching power supply with automatic conversion of output positive and negative polarity

An automatic conversion, positive and negative polarity technology, applied in the direction of conversion equipment without intermediate conversion to AC, can solve the problems of intelligent automation control system docking difficulties, inflexible operation, large size, etc., to achieve beautiful appearance, save volume, small size effect

Active Publication Date: 2019-08-23
XINJIAN CEMENT TECH INSTALATION YANGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this solution still has obvious shortcomings: for example, due to the dual-switch power supply solution, it is bulky and heavy, and the cost is high. In addition, the output polarity conversion processing technology follows the previous solution, and the operation is not flexible. Docking difficulties

Method used

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  • A ±1kv DC switching power supply with automatic conversion of output positive and negative polarity

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] Such as figure 1 As shown in the figure, a ±1KV DC switching power supply with output positive and negative polarity automatic conversion is composed of two parts, the power supply casing and the circuit, as shown in the attached figure, and the power circuit part includes the power conversion circuit, full-wave rectification, and output positive and negative poles. Sex conversion and control circuits and other parts. The power supply case includes a bottom case 1, an intermediate partition 5, an upper cover 8, a fuse box 10, an output high voltage terminal block 9, a green LED light 2 for power-on indication and a red LED light 3 for high voltage indication. The casing bottom shell 1 is connected and fixed with the middle layer partition plate 5 and the upper cover 8 respectively by screws, the control circuit board 7 is fixed on the middle layer partition p...

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Abstract

The invention discloses a +-1KV direct current switching power supply (a maximum output current being 5MA) allowing automatic conversion of positive and negative polarities, and belongs to special power supplies used for the field of industrial automation. The +-1KV direct current switching power supply of the invention comprises a power supply casing, an internal structure, a power conversion circuit, a full-wave rectifier and an output positive and negative polarities conversion and control circuit. The power supply casing adopts an all-aluminum surface subjected to oxidation wiredrawing full-sealing processing. The internal portion of the power supply casing uses function units divided according to layers and cavities. The power conversion circuit adopts an improved single-end power conversion topology structure. The power supply of the invention is small in size, light in weight, strong in anti-interference capability, suitable for complex and severe factory environments and automatically realizes power supply output voltage positive and negative polarities conversion output under a condition of a minimum quantity of control signals. In addition, the butt joint with intelligent robots and automation line signal interfaces is simplified.

Description

technical field [0001] The invention relates to a ±1KV DC switching power supply (maximum output current 5MA) with automatic positive and negative output polarity conversion, which can be applied to the fields of industrial production automation, intelligent manufacturing and robots. Background technique [0002] Since the appearance of switching power supply in the 1970s, it has gradually replaced the original dominant linear power supply in various applications with its superior comprehensive performance. Especially in recent years, with the rapid development of high-power devices such as field effect transistors and insulated gate bipolar transistors, they have been widely used and gradually become the main components of household appliances, medical equipment, especially industrial equipment. Power Supplier. Especially in the current industry 4.0 and intelligent robot fields, its wide range of applications and the large number of applications are unmatched by other powe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/10
Inventor 谷强黄晓华陈前玉
Owner XINJIAN CEMENT TECH INSTALATION YANGZHOU
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