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Intelligent motor soft starter

A soft starter, intelligent technology, applied in starter parts and other directions, to achieve the effect of reducing manufacturing cost, reasonable and compact structure, and convenient replacement function

Inactive Publication Date: 2012-12-12
上海人民企业集团温州电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the point of view of use, most domestic manufacturers directly produce soft-start devices with bypass operation mode, but there are still improvements in their structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Figure 1 to Figure 3 A specific embodiment of the invention is shown in which, figure 1 It is a schematic diagram of a three-dimensional structure of the present invention; figure 2 for figure 1 An exploded view of the motor soft starter shown; image 3 for figure 1 An exploded view of the motor soft starter shown when viewed from another angle. .

[0021] This embodiment is an intelligent motor soft starter, including a base 1 and an upper cover 2, a liquid crystal display 21 and an operation button 22 are arranged on the top wall of the upper cover 2; 1 The front wiring device 3 and the rear wiring device 4 at the front and rear ends, each of the front wiring device 3 and the rear wiring device 4 is provided with a plurality of terminal assemblies 51 and partitions 52 for insulating and separating each terminal assembly 51 ; The base 1 and the front and rear ends of the upper cover 2 are provided with accommodating holes 7 that match the front wiring device 3 ...

Embodiment 2

[0030] This embodiment is basically the same as Embodiment 1, except that: the outer walls of the front wiring device 3 and the rear wiring device 4 are provided with positioning slots, and the upper cover 2 and the base 1 are provided with slots corresponding to the slots. The positioning plate 23 is inserted into the positioning slot. The front wiring device 3 and the rear wiring device 4 in this embodiment are fastened on the base 1 and the upper cover 2 . This embodiment is more convenient in assembly.

Embodiment 3

[0032] This embodiment is basically the same as Embodiment 1, except that there are multiple installation holes on the bottom wall of the base 1, and each surge protector and solid state relay is inserted into the base 1 and the upper cover 2 through a corresponding installation hole. Fixed installation in a combined space. Because the soft starter needs to install an intelligent control circuit board above the surge protector and the solid state relay, if the solid state relay and the surge protector need to be overhauled, it needs more cumbersome operations to disassemble them, and this embodiment It has the advantages of convenient disassembly and assembly of surge protectors and solid state relays.

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PUM

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Abstract

The invention discloses an intelligent motor soft starter which comprises a base and an upper cover. A liquid crystal display and an operation button are arranged on the top wall of the upper cover. The intelligent motor soft starter is characterized in that the starter further comprises a front junction device and a rear junction device which are arranged at the front and rear ends of the base respectively, the front junction device and the rear junction device are provided with a plurality of terminal block components and partition boards, the partition boards are used for insulating and isolating the terminal block components, accommodating holes matched with the front junction device and the rear junction device are arranged on the base and the wall bodies of the front and rear ends of the upper cover, and the front junction device and the rear junction device are fixed on the base or the upper cover in a snapping or a bolt connecting mode. The intelligent motor soft starter has the advantages that the structure is reasonable and compact and the performance is stable and reliable.

Description

technical field [0001] The invention belongs to the technical field of soft starters, in particular to an intelligent motor soft starter. Background technique [0002] At present, most electric motors that need to be started with reduced voltage use electronic soft-start devices, which can not only reduce the impact brought by the direct start of the motor to the dragging equipment, but also reduce the impact of high current on the power grid when the motor starts. The existing foreign motor soft start devices all adopt the online operation and bypass operation mode, some are directly used online, and some are used by bypass. When used online, the power consumption of the thyristor is quite large, so the energy consumption increases; in order to ensure heat dissipation, mechanical air cooling must be used, so the overall structure of the soft start device is complex and bulky. At the same time, in order to ensure that other switching appliances are not affected by the hot a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P1/02
Inventor 金福音张应林范文凯
Owner 上海人民企业集团温州电器有限公司
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