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A hydrogen concentration automatic control device

An automatic control device, a technology of hydrogen concentration, applied in various fluid ratio control directions, etc., can solve the problem of not being able to automatically control the decrease of hydrogen concentration, and achieve the effect of improving safety

Inactive Publication Date: 2015-08-05
包金英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the alarm controller only has the function of sound and light alarm, and cannot automatically control the decrease of hydrogen concentration.

Method used

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  • A hydrogen concentration automatic control device

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Embodiment Construction

[0009] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0010] like figure 1 Shown is a hydrogen concentration automatic control device of this embodiment, including an alarm controller 101, a ventilation fan 104, and a control circuit for controlling the on-off of the power supply line connected to the ventilation fan 104; the first alarm controller 101 One output contact is connected to the power supply line, the second output contact is connected to the positive pole of the control circuit; the negative pole of the control circuit is connected to the neutral line.

[0011] When the detection module 102 detects that the hydrogen concentration is greater than the preset concentration, the two output contacts are controlled to be connected. Since the first output contact is connected to the power supply line, and the second output contact is connected to the positive po...

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Abstract

The invention relates to the field of hydrogen concentration control in a hydrogen generation station of a power plant, and in particular relates to an automatic hydrogen concentration control device. The device comprises an alarm controller, a ventilating fan and a control circuit for controlling the on / off of a power supply line connected with the ventilating fan, wherein a first output contact of the alarm controller is connected with the power supply line, and a second output contact is connected with a positive electrode of the control circuit; and a negative electrode of the control circuit is connected with a zero line. The automatic hydrogen concentration control device provided by the invention can detect the hydrogen concentration in a power generation station of a power plant in real time, and also can automatically control the drop of hydrogen concentration and improve the safety of the power generation station of the power plant.

Description

technical field [0001] The invention relates to the field of hydrogen concentration control in a hydrogen production station of a power plant, in particular to an automatic hydrogen concentration control device. Background technique [0002] There is a hydrogen production station in the power plant, and the hydrogen produced by the hydrogen production station is used as the heat dissipation medium for the generating set. In the hydrogen production station, hydrogen is inevitably mixed into the air. When the hydrogen reaches a certain concentration, it will explode when encountering an open flame. [0003] In order to detect the concentration of hydrogen in the hydrogen production station in real time and improve the safety of the hydrogen production station, an alarm controller is currently installed in the hydrogen production station. The alarm controller includes a detection module, an audible and visual alarm module, a first output contact, and a second output contact. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D11/13
Inventor 沈艳秋
Owner 包金英