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Motor control box

A motor control and box body technology, applied in the direction of electronic commutation motor control, control system, electrical components, etc., can solve the problems of poor tensile force, inconvenient assembly of signal cables, poor waterproofness of motor control boxes, etc. Good waterproof and insulating properties, the effect of improving manufacturing efficiency

Inactive Publication Date: 2010-06-09
苏州工业园区三埃国际科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the deficiencies in the prior art above, the present invention provides a motor control box, the purpose of which is to solve the problems of inconvenient assembly of signal cables, poor pull resistance and poor waterproof performance of the motor control box of the existing electric bicycle. defect

Method used

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Embodiment Construction

[0014] The embodiments of the motor control box of the present invention will be further described in a non-limiting manner in conjunction with the accompanying drawings, so as to deepen the understanding of the essence of the invention in a more intuitive manner.

[0015] like figure 2 and image 3 Shown is an appearance perspective view and an appearance exploded view of an embodiment of the motor control box of the present invention. It can be seen from these drawings that the motor control box includes a motor control circuit board (not shown in the box), a protective box body 1 and a plurality of signal cables 2a-2e, wherein the protective box body 1 is made of insulating material The two halves wrap a square box body, and the two boxes are closed and sealed after the motor control circuit board is assembled. A perforation 11 is opened on only one of its walls, and the motor control circuit board is fixed in the protective box body 1. A plurality of signal cables 2a-2e...

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Abstract

The invention discloses a motor control box which comprises a motor control circuit board, a protection box body and a plurality of signal cables, wherein the protection box body is fully-sealed and just provided with a penetrating hole on one wall surface, the motor control circuit board is fixedly arranged in the protection box body, and the plurality of signal cables are connected with the motor control circuit board through the penetrating hole. The motor control box is characterized in that the protection box is provided with a threaded butt-jointing part at the penetrating position in an outward extension way, a penetrating nut cap is sleeved on the signal cables before being spliced, and the nut cap is in threaded connection with the butt-jointing part, and a clearance between the nut cap and the butt-jointing part is filled with gel. The motor control box effectively improve the manufacturing efficiency of signal cable assembly and the tensile strength after the assembly by the threaded nut cap and has favorable waterproof and insulated performance by adopting the gel to seal.

Description

technical field [0001] The invention relates to a motor control box, in particular to a DC brushless motor control box for an electric bicycle. Background technique [0002] The motor control box, as an essential part of the electric bicycle, plays an important role in controlling the operation of the electric bicycle motor and various electrical units of the vehicle. The motor control box includes a motor control circuit board and a protective box body, and involves multiple signal cables. like figure 1 Shown is the perspective view of the appearance of the existing conventional motor control box. It can be seen from the figure that the motor control box is generally an airtight protective box body 1 with a perforation 11 on only one side of the box. There are several small through-holes. When the Tada signal cables are assembled, each signal cable needs to pass through the through-holes from the outside to the inside, and then connect to the motor control circuit board o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/013H05K5/00H05K7/00H02P6/00H01R11/11
Inventor 刘仲豪
Owner 苏州工业园区三埃国际科技有限公司