Heating pump and dishwasher

A technology of heating pump and heating tube, applied in the direction of pump, tableware washing machine/washing machine, pump element, etc., can solve problems such as hydraulic loss, achieve the effect of improving hydraulic efficiency and saving pump cavity space

Active Publication Date: 2021-09-21
WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] An object of the present invention is to overcome the existing problems in the prior art that the heating tube is integrated in the washing pump to damage the channel structure and cause hydraulic loss, and to overcome the hydraulic loss in the pump cavity caused by the traditional thick film heater directly as the pump cavity structure To solve the problem, a heat pump is proposed, which can use a thick film heater as a liquid circulation pipe in a limited space without sacrificing hydraulic efficiency, and set a first pump casing structure outside the impeller, so that each impeller The water flow in the channel is gathered and then discharged from one or more outlets, so that the flow state of the water flow in the heating chamber is relatively stable and regular, thereby improving the overall hydraulic efficiency

Method used

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  • Heating pump and dishwasher
  • Heating pump and dishwasher
  • Heating pump and dishwasher

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Embodiment Construction

[0029] The heating power is an important parameter of the heat pump. In the production and use of the heat pump, it is usually increased according to the actual needs (such as user settings or program settings in different modes defaulted by the electrical appliances including the heat pump). The heating power of the heat pump is to meet the needs of obtaining different outlet water temperatures. Specifically, the power of the heating tube is increased. Usually, the power of the heating tube is increased by increasing the diameter and length of the tube, which will inevitably lead to a certain direction of the heat pump. Larger in size, thereby affecting the performance, size or appearance of the overall product.

[0030] However, there is another way to increase the heating power, which is to reduce the flow rate of the water flow, thereby prolonging the heat exchange time between the water flow and the heating pipe. Therefore, the present invention is dedicated to providing a...

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Abstract

The invention discloses a heating pump and a dishwasher, wherein the water pump comprises: a first pump casing, an impeller, a heating pipe, a second pump casing and a flow guiding structure, the first pump casing has a first inlet and a first outlet, and the impeller Rotatably arranged in the first pump casing, the impeller is suitable for driving fluid to flow from the first inlet to the first outlet, the axis of the impeller extends in the up and down direction, the heating pipe, and the heating pipe cover is arranged on the first pump casing On the outside, the first outlet of the first pump casing communicates with the inner space of the heating pipe; the second pump casing communicates with the inner space of the heating pipe; One pump casing directs flow to the second pump casing. In the present invention, by arranging the first pump casing and the diversion structure, the water flow in each impeller channel is gathered, and then discharged from one or more outlets, so that the flow state of the water flow in the heating chamber can be relatively stable and regular. The overall hydraulic efficiency of the dishwasher is thus improved.

Description

technical field [0001] The invention relates to the technical field of integrated heat pumps, in particular to a heat pump and a dishwasher with the same. Background technique [0002] The existing washing pumps in dishwashers usually integrate the heating function into the washing pumps in order to save space, but as a result, the original flow channel structure is often destroyed, resulting in additional hydraulic loss. Specifically, the integrated heated washing pump in existing dishwashers usually adopts a heating tube heating method. Due to the existence of the washing pump heating tube, the size of the pump chamber is increased, which seriously affects the overall pump. At the same time, due to the limited heat exchange area of ​​the heating tube, it is very difficult to increase the heating power in a limited space. In addition, the existing washing pump integrated with heating in the dishwasher also has a structure that uses a cylindrical thick-film heater as the pu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D1/00F04D29/58F04D29/44F04D29/42A47L15/42A47L15/00
CPCA47L15/00A47L15/4225A47L15/4285F04D1/00F04D29/426F04D29/445F04D29/586
Inventor 刘日超
Owner WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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