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Water pump with cooling function

A water pump and function technology, applied in the field of water pumps with cooling function, can solve the problems of insufficient compact structure, high production cost, low heat dissipation efficiency, etc., and achieve the effects of simple structure, light weight and reliable operation

Inactive Publication Date: 2016-02-24
耐驰泵阀科技(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there are technical problems in actual application: if the permanent magnet motor adopts the structure of a conventional asynchronous squirrel-cage motor and combines it with a water pump, the cost is high, the volume is large, and the heat dissipation efficiency is low
[0005] In addition, the conventional asynchronous squirrel-cage motor water pump has a long partition between the driving part and the pump body due to the consideration of waterproofing the motor. Not only is the structure not compact enough, waste materials, the production cost is high, and the water cooling of the pump casing cannot be used to cool the motor seat. and stator cooling

Method used

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  • Water pump with cooling function
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  • Water pump with cooling function

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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] The invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] Such as Figure 1-Figure 3 As shown, a water pump with cooling function includes a vertical pump body 1 and a permanent magnet motor 2, the vertical pump body 1 is provided with an impeller (not shown in the figure), and the permanent magnet motor 2 The output shaft 3 is an elongated shaft extension structure, and the output shaft 3 includes a shaft portion 31, an impeller mounting portion 32 and an impeller nut mounting portion 33 connected in sequence, and the shaft portion 31, the impeller mounting portion 33 and the impeller nut The installation part 33 is integrally provided, the output shaft 3 extends into the pump body 1, and the impeller is fixedly arranged on the impeller instal...

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PUM

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Abstract

The invention provides a water pump with a cooling function. The water pump comprises a vertical pump body and a permanent magnet motor; an impeller is arranged inside the vertical pump body; an output shaft of the permanent magnet motor is of a lengthened shaft extension structure and comprises a shaft portion, an impeller installation portion and an impeller nut installation portion which are sequentially and integrally connected; the output shaft extends into the pump body; the impeller is fixedly arranged on the impeller installation portion. The water pump further comprises a heat dissipation structure comprising a cooling jacket arranged on a shell body of the permanent magnet motor in a sleeving mode; an S-shaped cooling pipe is arranged inside the cooling jacket and filled with cooling liquid; the cooling jacket is provided with a liquid inlet and a liquid outlet corresponding to the two ends of the S-shaped cooling pipe; the two ends of the S-shaped cooling pipe are provided with a liquid inlet valve and a liquid outlet valve respectively; the liquid inlet valve penetrates out of the liquid inlet; the liquid outlet valve penetrates out of the liquid outlet. The water pump is compact in overall structure, good in heat dissipation effect and capable of greatly reducing the production cost and lowering noise.

Description

technical field [0001] The invention belongs to the mechanical field, and in particular relates to a water pump with a cooling function. Background technique [0002] The drive part of the traditional water pump (small household) uses an asynchronous squirrel-cage motor. Without a frequency conversion controller, the speed adjustment cannot be realized, and it cannot meet the market demand for variable pressure of the water pump. However, adding a frequency conversion control to the asynchronous squirrel-cage motor circuit complex and high cost. [0003] Compared with asynchronous squirrel-cage motors, permanent magnet motors, especially rare earth permanent magnet motors, have simple structure and reliable operation; small size, light weight; low loss and high efficiency; permanent magnet motors are easier to achieve frequency conversion and stepless speed regulation, It can well meet the market demand for variable pressure of water pumps; the shape and size of the motor c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D13/06F04D29/043H02K5/20H02K9/19H02K7/14
CPCF04D13/06F04D29/043H02K5/20H02K7/14H02K9/19
Inventor 林达
Owner 耐驰泵阀科技(天津)有限公司
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