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Waterproof motor

A waterproof motor and water motor technology, applied in electromechanical devices, electrical components, electric components, etc., can solve the problems of insignificant improvement in waterproof performance, motor damage, and high construction cost

Pending Publication Date: 2022-07-19
PANASONIC APPLIANCES MOTOR HANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of the special casing is high, and the waterproof shaft sealing system, such as adding waterproof rubber to the shaft extension and applying sealant to the parts that are prone to water seepage, does not improve the waterproof performance significantly. Usually, only the motor The waterproof level is upgraded to IPX4 or IPX5, once the motor is immersed in water, it will still cause damage to the motor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment

[0031] As described in the background art, it is difficult to effectively improve the waterproof performance of the waterproof motor 1 by the existing waterproof measures, especially, it is difficult to improve the waterproof level to the level of water immersion through a simple device structure. The inventor found through a lot of in-depth research that the main reason for the damage to the motor after being immersed in water is the damage caused by the water ingress of the circuit board 6. In order to solve the problem of motor damage caused by the circuit board 6 being burned after the water ingress, the present embodiment provides a waterproof motor. 1. It can avoid the burning problem of the circuit board 6 after the motor is immersed in water.

[0032] Specifically, refer to figure 1 , this embodiment provides a waterproof motor 1, including a stator 3 arranged on the motor housing 2, a rotor 4 arranged in the motor housing 2, and a rotor 4 connected to the rotor 4 and ...

no. 2 Embodiment

[0046] image 3 It is a sectional view of the waterproof motor 1 in the second embodiment of the present invention.

[0047] In this embodiment, the main structure of the waterproof motor 1 includes a motor housing 2 , a stator 3 , a rotor 4 , a rotating shaft 5 , a circuit board 6 and a front end cover 72 . Except that in this embodiment, the structure of the front end cover 72 is different from that of the front end cover 71 in the first embodiment, and the rotating shaft 5 protrudes from the motor housing 2 from both sides, other components and reference numerals are the same as those of the first embodiment. of the first embodiment figure 1 It is the same as shown, and will not be repeated here.

[0048] like image 3 As shown, the center of the inner end cover 72 in this embodiment is provided with a through hole that penetrates through the inner end cover 72 in the axial direction, and the rotating shaft 5 penetrates from one side of the inner end cover 72 and passes ...

no. 3 Embodiment

[0054] Figure 5 It is a sectional view of the waterproof motor 1 in the third embodiment of the present invention.

[0055] like Figure 5 As shown, compared with the first embodiment, in the main structure of the waterproof motor 1, except that the shaft sleeve 9 is further provided in this embodiment, the other components and reference numerals of this embodiment are the same as those of the first embodiment. figure 1 It is the same as shown, and will not be repeated here.

[0056] Specifically, a shaft sleeve 9 is provided on the side of the inner end cover 73 close to the circuit board 6 , and the shaft sleeve 9 is arranged next to the inner end cover 73 . The shaft sleeve 9 extends along the axial direction of the rotating shaft 5 and is formed into an annular shape. The inner wall of the annular shaft sleeve 9 is slidably connected with the rotating shaft 5. The rotating shaft 5 can rotate inside the shaft sleeve 9 and can Supported by the shaft sleeve 9 . Similar t...

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Abstract

According to the waterproof motor provided by the invention, the problem of burnout of the circuit board after the motor is soaked in water can be avoided, and the waterproof performance of the waterproof motor is effectively improved. Specifically, the waterproof motor provided by the invention comprises a stator arranged on a motor shell, a rotor arranged in the motor shell, a rotating shaft which is connected with the rotor and extends out of the motor shell, and a circuit board arranged in the motor shell, an inner end cover surrounding the rotating shaft and extending in the radial direction of the rotating shaft is further arranged.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a waterproof motor. Background technique [0002] Different application scenarios have different requirements for the waterproof performance of the motor. The electrical industry has promulgated a standard for classifying electrical appliances according to their dust-proof and moisture-proof characteristics, which is called IP protection level. The IP protection level is composed of two numbers. The first number represents the level of the electrical appliance against dust and foreign objects intrusion. The second number represents the degree of airtightness of the electrical appliance against moisture and water immersion. The larger the number, the higher the protection level. high. Different IP protection levels correspond to different waterproof performances. For example, IPX3-IPX6 grades correspond to water resistance test, splash water test, low pressure water spray test, ...

Claims

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Application Information

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IPC IPC(8): H02K5/124H02K5/128H02K5/10H02K11/30
CPCH02K5/124H02K5/128H02K5/10H02K11/30Y02A30/14H02K11/33H02K11/215H02K5/15H02K2211/03
Inventor 张雷肖伟
Owner PANASONIC APPLIANCES MOTOR HANGZHOU
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