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Dishwasher, Dishwasher fan control method and device

A technology for control devices and dishwashers, which is applied to tableware washing machines/rinsing machines, tableware washing machines/rinsing and rinsing machine parts, pump control, etc. It can solve excessive instantaneous current and noise, easy to generate instantaneous current, Unfavorable problems such as the service life of the fan, to achieve the effect of improving performance, avoiding excessive instantaneous current, and ensuring service life

Active Publication Date: 2018-10-26
WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when there are problems in the related technology, the relay is prone to generate instantaneous current during the working process, which is not conducive to protecting the service life of the fan, and because the switching frequency of the relay cannot be too high, frequent switching of the relay will generate excessive instantaneous current and noise, so the fan control The system works unstable
In addition, the relay used as a control switch cannot precisely adjust the fan speed

Method used

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  • Dishwasher, Dishwasher fan control method and device
  • Dishwasher, Dishwasher fan control method and device
  • Dishwasher, Dishwasher fan control method and device

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Embodiment Construction

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] The following describes the dishwasher, the fan control device for the dishwasher and the fan control method for the dishwasher proposed by the embodiments of the present invention with reference to the accompanying drawings, wherein, in an example of the present invention, the fan can be set in the dishwasher. In the inner tank, the drying process of the inner tank of the dishwasher can be realized through the action of the fan to improve the drying effect.

[0032] figure 1 is a schematic block diagram of a fan control ...

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Abstract

The invention discloses a dish-washing machine and a fan control method and device thereof. The device comprises a semiconductor controllable device, a drive circuit, an instruction receiving assembly and a control module. The semiconductor controllable device is connected with a direct-current fan in the dish-washing machine so as to control the direct-current fan. The drive circuit is used for driving the semiconductor controllable device to be connected or disconnected. The instruction receiving assembly is used for receiving an instruction of a user to generate a control signal. The control module is connected with the drive circuit and the instruction receiving assembly and used for adjusting the duty ratio and frequency of a drive signal output to the drive circuit according to the control signal so that the rotating speed of the direct-current fan can be controlled through the drive circuit. Thus, the rotating speed of the direct-current fan can be precisely adjusted, the performance of the dish-washing machine is improved, the overlarge instant current can be avoided through the semiconductor controllable device, and the service life of the direct-current fan is guaranteed.

Description

technical field [0001] The invention relates to the technical field of washing appliances, in particular to a dishwasher fan control device, a dishwasher and a dishwasher fan control method. Background technique [0002] With the improvement of people's living standards, the popularity of dishwashers is getting higher and higher, and the requirements for performance control of dishwashers are increasing. Dishwashers in the related art mostly use traditional relays as control switches in the aspect of controlling the drying fan. However, when there are problems in related technologies, the relay is prone to generate instantaneous current during the working process, which is not conducive to protecting the service life of the fan, and because the switching frequency of the relay cannot be too high, frequent switching of the relay will generate excessive instantaneous current and noise, so the fan control The work of the system is unstable. In addition, the relay used as a co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D27/00A47L15/00A47L15/48
CPCA47L15/0034A47L15/486A47L2501/10A47L2501/12F04D27/004
Inventor 李茂隆程刚
Owner WUHU MIDEA SMART KITCHEN APPLIANCE MFG CO LTD
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