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Electrical power monitoring device for fan

A power supply monitoring and fan technology, applied in emergency protection circuit devices, electrical components, etc., can solve problems such as fan misoperation, affecting fan reliability, and fan starting voltage abnormality

Active Publication Date: 2009-12-30
DELTA ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above method is only for the protection action when the input voltage 91 is lower than the minimum start-up voltage or higher than the maximum withstand voltage, but sometimes when the input voltage 91 is not lower than the minimum start-up voltage or higher than the maximum withstand voltage, this At this time, the fan 10 can still be started, but the user cannot know that the current starting voltage of the fan is abnormal, which may cause unpredictable malfunction of the fan and affect the reliability of the fan.

Method used

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  • Electrical power monitoring device for fan
  • Electrical power monitoring device for fan
  • Electrical power monitoring device for fan

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Embodiment Construction

[0018] A fan power monitoring device according to a preferred embodiment of the present invention will be described below with reference to related drawings. The same components will be described with the same symbols.

[0019] Such as figure 2 as well as image 3 Shown is a preferred embodiment of a fan power monitoring device of the present invention.

[0020] Such as figure 2 As shown, a fan power monitoring device 2 of this embodiment includes a starting unit 21 and a voltage detecting unit 22 . The power monitoring device 2 receives an external input voltage 91 and is connected with a fan 10 and an external system 20 .

[0021] The input voltage 91 is used as a power source to make the following circuits work. The power monitoring device 2 of this embodiment can send a warning signal 92 to the external system 20 when the input voltage 91 is abnormal. After the external system 20 receives the warning signal 92, it starts to respond to prompt improvement, such as inc...

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Abstract

The present invention relates to an electrical power monitoring device for fan, receiving one external input voltage. The electrical power monitoring device includes a initiation unit and a voltage detection unit, wherein the initiation unit receives the input voltage and initiates the fan according to the input voltage; the voltage detection unit is connected to the initiation unit, when the input voltage is not equal to the first reference value, a guard signal is generated.

Description

technical field [0001] The invention relates to a power monitoring device, in particular to a power monitoring device applied to a fan. Background technique [0002] An electronic system is usually equipped with a fan to dissipate heat, so as to maintain the normal operation of the electronic system. The fan can be powered by an electronic system or an external power supply with an input voltage, but if the input voltage generated by the electronic system or the power supply is abnormal (such as when the input voltage is too high or too low), the fan will be damaged . For example, when the input voltage is too low, it will cause the current to rise and cause an over current phenomenon, which may cause damage to the internal components of the fan. Conversely, when the input voltage is too high, it may exceed the fan. Can withstand voltage, and cause the internal components of the fan to burn out. In view of the above problems, the existing technology uses an analog control...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H7/09
Inventor 陈建桦黄文喜
Owner DELTA ELECTRONICS INC