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Junction box

A junction box and execution unit technology, applied in the field of junction boxes, can solve problems such as easy generation of condensed water, and achieve the effects of ensuring reliability and safety, and reducing environmental humidity.

Inactive Publication Date: 2021-04-23
GREE ELECTRIC APPLIANCES INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that condensed water is easily generated in the motor junction box, the present invention proposes a junction box, which can effectively prevent the generation of condensed water

Method used

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Embodiment Construction

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0028] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counte...

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Abstract

The invention relates to a junction box. The junction box comprises: a main shell which is provided with an accommodating chamber and an air suction hole that communicates the accommodating cavity with an external environment; an air exhaust assembly installed on the main shell, wherein the air exhaust assembly comprises an air exhaust control unit and an air exhaust execution unit, and the air exhaust control unit is used for obtaining the current air humidity of the accommodating cavity and controlling the air exhaust execution unit to be switched between a first working state and a second working state according to the current air humidity; when the air exhaust execution unit is in the first working state, the air exhaust execution unit shields the air exhaust hole; and when the air exhaust execution unit is in the second working state, the air exhaust execution unit exhausts air in the accommodating cavity through the air exhaust hole. According to the junction box, when the humidity of the internal environment is too high, the air extraction control unit can control the air extraction execution unit to extract air in the main shell so as to discharge water vapor in the accommodating cavity, condensate water is prevented from being generated in the accommodating cavity, the electrical insulation performance of the main shell is prevented from being reduced or grounded, and the reliability and safety of long-term operation of a motor are guaranteed.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a junction box. Background technique [0002] The stator lead-out wires of the motor are often connected to the outside through a junction box. The junction box is a transfer device. The common junction box has a split structure, and also has an integrated structure with the motor frame or end cover. The external power line is electrically connected to the lead-out line of the motor stator inside the junction box through a cable gland or a connector. [0003] At present, the operating temperature environment of motors used in automobiles and other equipment is changeable and complex. When the air humidity inside the junction box is high, water vapor condensation is prone to occur inside the junction box due to the temperature difference between the internal and external environments, resulting in condensed water. If the electrical insulation performance is reduced or grounded, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/22H02K3/50H02K9/00
CPCH02K5/225H02K3/50H02K9/00
Inventor 陈家兴白冰王周叶魏正平黄积光杨静帆
Owner GREE ELECTRIC APPLIANCES INC
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