Dehumidifying apparatus, dehumidifying method and wind-energy current transformer of dehumidifying apparatus

A converter and wind energy technology, applied in the field of dehumidification, can solve problems such as device condensation, electronic device short circuit, damage, etc., to achieve the effect of accelerating air flow, improving reliability, and simple control

Active Publication Date: 2015-01-14
维谛新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a dehumidification method, which is used to dehumidify the cabinet of the wind energy converter, and solve the problem of condensation on the surface of the electronic device due to the fact that the surface of the electronic device is lower than the temperature of the air in the process of temperature rise in the prior art. Condensation water will corrode electronic devices or short-circuit or damage technical problems of electronic devices, and realize the technical effect of protecting electronic devices in the converter cabinet
[0009] The invention provides a dehumidification device, which solves the problem in the prior art that the temperature of the surface of the device is lower than that of the air during the temperature rise process, which causes condensation on the surface of the device, and the condensation water will corrode the device or short-circuit or damage the device. problems, to achieve the technical effect of protecting the components in the converter cabinet
[0010] The present invention also provides a wind energy converter with a dehumidification device, which solves the problem in the prior art that the temperature of the surface of the device is lower than that of the air during the temperature rise process, resulting in condensation on the surface of the device, which will corrode the device Or the technical problem of short circuit or damage of the device, and realize the technical effect of protecting the device in the converter cabinet

Method used

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  • Dehumidifying apparatus, dehumidifying method and wind-energy current transformer of dehumidifying apparatus

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Effect test

Embodiment 1

[0075] Such as figure 1 with figure 2 Shown is a schematic diagram of a wind energy converter in the first preferred embodiment and a control schematic diagram of the dehumidification device 100 of the wind energy converter.

[0076] The cabinet body of the wind energy converter includes a cabinet body 200 , an electronic device 201 and a dehumidification device 100 arranged in the cabinet body 200 .

[0077] The dehumidification device 100 is installed on the top of a cabinet 200 of a wind energy converter.

[0078] The dehumidification device 100 includes a humidity controller 160 , a control unit 170 and a dehumidification unit 130 . The humidity controller 160 includes a humidity detection unit 110 and a judging unit 120 for detecting that the current humidity of the cabinet body 200 is a first humidity value.

[0079] The judgment unit 120 is connected to the humidity detection unit 110 and compares the first humidity value detected by the humidity detection unit 110 ...

Embodiment 2

[0097] Such as Figure 4 Shown is a circuit control diagram of a dehumidification device. The circuit control principle of the wind energy converter is the same as the circuit control principle in the embodiment, the difference is that, for the humidity controllers of the two cabinets at the same time, each cabinet is provided with a dehumidification device, which includes two humidity detection Units RH32 and RH33 and two sets of peltier cooling components. In other embodiments, the air in three or more cabinets can be dehumidified at the same time, and the number of semiconductor refrigeration components in each cabinet is not limited, and can be set according to needs.

Embodiment 3

[0099] Such as Figure 5 As shown, it is a schematic diagram of a wind energy converter 300 according to the third preferred embodiment. The wind energy converter 300 includes a cabinet body 310 , an electronic device 311 and a dehumidification device 320 arranged in the cabinet body 310 .

[0100] The dehumidification device 320 includes a humidity detection unit, a judgment unit, a dehumidification unit 323 , a heat exchange unit 324 and two airflow acceleration units 325 .

[0101] In this embodiment, the dehumidification principle of the dehumidification device 320 is the same as that of the dehumidification device 100 in Embodiment 1, and for the sake of brief description, details are not repeated here. The difference is that the positional relationship of the dehumidification unit 323, the heat exchange unit 324 and the two airflow acceleration units 325 of the dehumidification device 320 in the cabinet body 310 is the same as that of the dehumidification unit 130, the ...

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PUM

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Abstract

A disclosed dehumidifying method is used for dehumidifying the interior of a cabinet of a wind-energy current transformer. The dehumidifying method comprises: at a first moment, detecting a first current humidity value in the cabinet; detecting whether the first current humidity value is larger than a preset humidity value; when the first current humidity value is larger than the preset humidity value, generating a starting dehumidifying instruction; and controlling a dehumidifying unit in the cabinet to execute the starting dehumidifying instruction, and enabling air in the cabinet to be contacted with a cold-end surface of a semi-conductor refrigeration part of the dehumidifying unit, so as to change vapor in air into condensed water. The invention also discloses a dehumidifying apparatus and the wind-energy current transformer.

Description

technical field [0001] The invention relates to the technical field of dehumidification, in particular to a dehumidification device, a dehumidification method and a wind energy converter provided with the dehumidification device. Background technique [0002] With the development of wind energy, complete machine manufacturers have launched offshore and offshore high-power wind power generation equipment one after another. With the application of equipment in offshore and deep sea areas, the increase in humidity will greatly damage electronic devices, which can easily cause corrosion of electronic devices, Short circuit and other vicious accidents, so the demand for dehumidification of equipment is getting higher and higher. For example: the insulated gate bipolar transistors of power core electronic devices are sensitive to humidity, and there is a risk of explosion in high humidity conditions, and the adaptability to the humidity of 40 degrees 95% RH (Relative Humidity) req...

Claims

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Application Information

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IPC IPC(8): B01D53/26H02M1/00
Inventor 尚付鹏曹秋云田兴姬永军张旗
Owner 维谛新能源有限公司
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