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Dehumidifier and control method thereof

A control method and dehumidifier technology, applied in heating and ventilation control systems, refrigerators, heating methods, etc., can solve problems such as increasing the failure rate of dehumidifiers and affecting users' use, so as to improve frosting phenomenon and inhibit surface frosting. , the effect of reasonable structure

Active Publication Date: 2017-01-04
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the existence of the above problems, the failure rate of the dehumidifier will often increase, affecting the use of users.

Method used

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  • Dehumidifier and control method thereof
  • Dehumidifier and control method thereof
  • Dehumidifier and control method thereof

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Embodiment Construction

[0070] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0071] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0072] Refer below Figure 1 to Figure 7 A dehumidifier and a control method thereof according to some embodiments of the present invention are described.

[0073] Such as figure 1 As shown, the d...

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Abstract

The invention provides a dehumidifier and a control method thereof. The dehumidifier comprises a compressor, a condenser, a throttling device and an evaporator which are connected with one another in sequence through pipelines, and further comprises an auxiliary heat exchanger and a control device, wherein one end of the auxiliary heat exchanger is connected with the output end of the compressor through a first pipeline; the other end of the auxiliary heat exchanger is connected with the input end of the throttling device through a second pipeline; the control device is connected with the first pipeline and the second pipeline and is used for acquiring a temperature value of the evaporator, and controlling connection and disconnection between the first pipeline and the second pipeline to enable the auxiliary heat exchanger to exchange heat with the evaporator so as to prevent the evaporator from being frosted. According to the dehumidifier provided by the invention, by virtue of adding bypass heat exchange of the auxiliary heat exchanger for preventing the evaporator from being frosted, the dehumidification amount of the dehumidifier under a low-temperature working condition is increased, and the problems of frosting on the surface of the evaporator of the dehumidifier under the low-temperature working condition and deterioration of heat exchange due to the frosting are solved.

Description

technical field [0001] The invention relates to the technical field of dehumidifiers, in particular to a dehumidifier and a control method for the dehumidifier. Background technique [0002] At present, when the dry bulb temperature of the dehumidifier is lower than 16°C and the relative humidity exceeds 60%, frost will appear during the dehumidification process, which will affect the dehumidification capacity of the dehumidifier. Since the dehumidifier itself has no heating function, it cannot defrost through a four-way valve like a heating and cooling air conditioner. In this way, once the surface of the evaporator of the dehumidifier is frosted, its heat exchange conditions will continue to deteriorate, which will cause the dehumidifier to fail to dehumidify normally. Finally, the dehumidifier will judge that the temperature in the middle of the evaporator is too low according to the feedback of the middle temperature of the evaporator, and then shut down for protection. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/04F25B41/06F25B43/00F25B47/00F25B49/02F24F3/14F24F11/00F24F13/30F25B41/20F25B41/30
CPCF24F3/14F24F13/30F25B43/006F25B47/006F25B49/02F24F2003/144F25B41/22F25B41/30
Inventor 赵方亮
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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