Control device and control method used for controlling air door heater according to humidity

A humidity control and control device technology, which is applied to household refrigeration devices, lighting and heating equipment, refrigerators, etc., can solve the problems of not considering the freezing situation at the damper, increasing energy consumption, etc., and achieves long life, energy saving, and stability. high performance and reliability

Inactive Publication Date: 2012-08-22
HISENSE RONSHEN GUANGDONG REFRIGERATOR
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Problems solved by technology

When ordinary refrigerators control the damper heater, they always use the method of normally opening, r

Method used

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  • Control device and control method used for controlling air door heater according to humidity
  • Control device and control method used for controlling air door heater according to humidity

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Embodiment Construction

[0017] The present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0018] Such as figure 1 As shown, the present invention discloses a control device for controlling the damper heater according to humidity, which includes a damper heater 1 arranged on the damper, a humidity sensor 2 and a controller 3, and the humidity sensor 2 detects the humidity of the damper and sends the detection result It is converted into an electrical signal and output to the controller 3, and the controller 3 outputs a signal to control the damper heater 1 to work. Wherein the humidity sensor 2 is arranged on the surface of the damper, and is used for providing the humidity situation at the damper in real time. The damper heater 1 is implemented by a single-chip microcomputer, and the equipment is simple, efficient and reliable.

[0019] The present invention also discloses the control method of the above-mentioned control device for con...

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Abstract

The invention relates to a control device and a control method used for controlling an air door heater according to humidity. The control device comprises an air door heater (1) arranged on an air door, a humidity sensor (2) and a controller (3), wherein the humidity sensor (2) detects the humidity of the air door, converts a detection result into an electrical signal and outputs the electrical signal to the controller (3); and the controller (3) outputs the signal to control the operation of the air door heater (1). The control method comprises the steps that the humidity sensor (2) detects the humidity of the air door, converts the detection result into the electrical signal and outputs the electrical signal to the controller (3), and the controller (3) outputs the signal to control the heating time of the heater (1), wherein the heating time and the humidity are directly proportional. The control device and the control method provided by the invention consider the practical icing condition of the air door, can efficiently control the operation of the air door heater in real time through the control of the real-time humidity condition of the air door, save energy, and are low-carbon and environment-friendly.

Description

technical field [0001] The invention belongs to the technical field of refrigerators, and in particular relates to a control device and a control method for controlling a damper heater according to humidity. Background technique [0002] The single-system cycle of air-cooled refrigerators relies on the refrigerated evaporator and fan to provide cold sources, and the freezer is directly cooled. At the same time, the cooling of the freezer is achieved by controlling the opening and closing time of the damper in the middle channel between the freezer and the freezer. Due to the huge temperature difference between the refrigerator and the freezer (about 20 degrees), the damper is easy to freeze, which will cause the damper to freeze and not work properly. Therefore, it is necessary to increase the heater device to eliminate the icing phenomenon and ensure the normal operation of the damper. When the general refrigerator controls the damper heater, it adopts the method of normal...

Claims

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Application Information

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IPC IPC(8): F25D29/00
CPCF25B2700/02
Inventor 王翔吴国富
Owner HISENSE RONSHEN GUANGDONG REFRIGERATOR
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