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Fan driving motor with self-suction cooling function

A drive motor, self-priming technology, applied in the direction of machine/engine, cooling/ventilation device, electromechanical device, etc., can solve the problems of restricting the load capacity of the unit, insufficient cooling capacity of the motor cooling fan, and restricting the power generation safety of the unit, etc. The effect of improving operating safety and economy, improving cooling characteristics, and enhancing cooling capacity

Pending Publication Date: 2021-02-05
XIAN THERMAL POWER RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, due to problems such as long-term uninterrupted operation and insufficient cooling capacity of the motor cooling fan, the fan drive motor is overheated in summer all the year round and causes an over-temperature alarm, which seriously restricts the power generation safety of the unit and restricts the load capacity of the unit in summer

Method used

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  • Fan driving motor with self-suction cooling function
  • Fan driving motor with self-suction cooling function
  • Fan driving motor with self-suction cooling function

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Embodiment Construction

[0030] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0031] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention belongs to the field of motor cooling, and discloses a fan driving motor with a self-suction cooling function. The fan driving motor comprises a driving motor, a motor shell and a cooling air duct; one end of the cooling air duct is connected with the motor shell, and the other end is connected with an air inlet channel of the fan; a plurality of first ventilation holes and a plurality of second ventilation holes are formed in the motor shell, and the first ventilation holes are located in an area where the motor shell is connected with the cooling air duct; the driving motor ispositioned in the motor shell; and in the use state, the interior of the cooling air duct communicates with the interior of the air inlet channel of the fan. The interior of the cooling air duct is communicated with the interior of the air inlet channel of the fan and the interior of the motor shell, self-suction force is generated through negative pressure in the air inlet channel of the primaryfan, normal-temperature air is sucked from the atmosphere and flows through the interior of the motor shell, and the cooling capacity of the draught fan driving motor is enhanced in a forced ventilation mode.

Description

technical field [0001] The invention belongs to the field of motor cooling, and relates to a fan driving motor with self-suction cooling function. Background technique [0002] The three major fans of coal-fired power plants are composed of induced draft fans, supply fans and primary fans. The three major fans play a vital role in coal-fired power plants, responsible for sending air into the boiler, blowing coal powder and extracting flue gas. Maintain normal pressure and fuel in the furnace. The total power consumption rate of the driving motors of the three major fans accounts for about 2% of the power consumption rate of the factory. The safe and efficient operation of power plants plays a decisive role. [0003] At present, due to problems such as long-term uninterrupted operation and insufficient cooling capacity of the motor cooling fan, the fan-driven motor is overheated in summer all the year round and causes an over-temperature alarm, which seriously restricts the...

Claims

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Application Information

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IPC IPC(8): H02K5/20H02K5/10H02K9/06H02K9/26F04D25/08F04D29/70F04D29/40F23N3/00
CPCF04D25/08F04D29/403F04D29/703F23N3/007H02K5/10H02K5/20H02K9/06H02K9/26
Inventor 李凯伦郑金孙大伟闫宏王星石清鑫马翔陈得胜李昊燃王伯平聂林涛朱红伟张振民
Owner XIAN THERMAL POWER RES INST CO LTD
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