Soft starter with current detection apparatus without screw and buckle for fixation

A technology of current detection device and soft starter, which is applied to starter parts and other directions, can solve the problems of difficulty in ensuring insulation, time-consuming and laborious, and inconvenient installation, and achieves simple and convenient installation, firm and reliable installation, and convenient and reliable installation. Effect

Inactive Publication Date: 2015-08-05
SUZHOU ANCHORWILL TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The traditional current detection device uses screws or buckles, which requires tools or metal screws, which is not only inconvenient to ins

Method used

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  • Soft starter with current detection apparatus without screw and buckle for fixation
  • Soft starter with current detection apparatus without screw and buckle for fixation

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Embodiment Construction

[0016] The present invention will now be further described in detail in conjunction with the accompanying drawings and embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so it only shows the composition related to the present invention.

[0017] Such as figure 1 As shown, the present invention relates to a soft starter for fixing a current detection device without screws and buckles, including a soft starter shell body 1 and a heat sink 2 arranged inside the soft starter shell body. A boss 4 is arranged on the table, and the boss 4 is provided with a positioning hole 5. The silicon controlled rectifier 3 is fixed on the horizontal surface of the heat sink 2. The silicon controlled rectifier is provided with a positioning hole 31. The current detection device 9 is provided with a square Hole 91, the size of the above-mentioned square hole 91 matches the cross-sectional size of ...

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Abstract

The invention relates to a soft starter with a current detection apparatus without screw and buckle for fixation. The soft starter comprises a soft starter housing, a copper bar for current conduction, and a current detection apparatus passing through the copper bar. Positioning holes are formed in one side of the soft starter housing. A folding angle is arranged at the middle of the copper bar and holes are formed in the two ends of the copper bar. A square hole is formed in the middle of the current detection apparatus. According to the invention, a cooling plate is installed at the bottom of the soft starter housing body and a silicon controlled rectifier is installed into the cooling plate; the copper bar is inserted into the current detection apparatus and passes through an outlet slot; and the two ends of the copper bar are respectively fixed in positioning holes of a housing boss and the silicon controlled rectifier, thereby completing installation. The current detection apparatus does not need any buckle or screw for fixation, so that the cost is saved; and the installation becomes simple and convenient and the firmness is reliable.

Description

technical field [0001] The invention relates to a soft starter, in particular to a soft starter using a screw-free and buckle-free fixed current detection device. Background technique [0002] The soft starter is a motor control device, which integrates motor soft start, soft stop, light load energy saving and various protection functions. Its main components are three-phase parallel thyristors connected in series between the power supply and the controlled motor and their electronic control circuits. A soft starter generally includes a shell of the soft starter, a heat sink disposed inside the shell, a control circuit module, a power trigger circuit module, a current detection module, and a terminal block, etc., and they are electrically connected in turn. Among them, the current detection module is an important detection part of the whole soft starter, so as to ensure the safety and reliability of the soft starter. [0003] The traditional current detection device uses s...

Claims

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Application Information

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IPC IPC(8): H02P1/02
Inventor 卞光辉刘勇
Owner SUZHOU ANCHORWILL TECH
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