A control method of air conditioning system with fire alarm function

A technology of an air conditioning system and a control method, which is applied in the directions of control input involving air characteristics, space heating and ventilation control input, heating and ventilation control system, etc., can solve problems such as easy-to-trigger induction, smoke alarm fire judgment error, etc. , to achieve the effect of accurate judgment

Active Publication Date: 2022-04-19
GUANDONG GIWEE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the photoelectric sensor is easy to be triggered in the environment with too much water vapor and humidity, and the ion sensor is also easy to trigger the smoke generated by the cigarette, so that the smoke alarm is easy to misjudge the occurrence of the fire.

Method used

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  • A control method of air conditioning system with fire alarm function

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Embodiment Construction

[0020] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. The purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] In this embodiment, a method for controlling an air-conditioning system with a fire alarm function, wherein the air-conditioning system includes an indoor unit, and the indoor unit is preset with an air return port and an air outlet, wherein the return air port is equipped with a device for detecting the indoor ambient temperature. A temperature detection unit and a carbon monoxide concentration detection unit for detecting the carbon monoxide concentration in the chamber...

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Abstract

A control method of an air-conditioning system with a fire alarm function, the control method includes steps S1 to S3, the indoor unit is powered on and turned on, and then the indoor ambient temperature is detected by the temperature detection unit every 1 minute, through The carbon monoxide concentration detection unit detects the carbon monoxide concentration every 1 minute, wherein, record the indoor ambient temperature detected in the i-th minute as Ti, record the detected carbon monoxide concentration in the i-th minute as Ci, and then obtain the i-th minute by calculation The indoor carbon monoxide concentration change rate βi at time, and the real-time change rate θi of the indoor ambient temperature at the i-th minute is obtained by calculation; whether there is a smoldering fire is judged by the carbon monoxide concentration change rate and the carbon monoxide concentration, and water vapor is avoided , Humidity is too heavy or smoke generated by cigarettes triggers the false alarm phenomenon, which can judge the occurrence of fire more accurately.

Description

technical field [0001] The invention relates to the technical field of air conditioning systems, in particular to a control method for an air conditioning system with a fire alarm function. Background technique [0002] Among various disasters, fire is the most frequent and common. Generally, family fires are caused by people's negligence to fire hazards, which are often caught off guard. Moreover, fires can directly or indirectly cause property losses, and even casualties. For the monitoring and alarming of home fires, at present, the most common monitoring and alarming equipment is a smoke alarm, which monitors the smoke generated by a fire through a sensor to judge the occurrence of a fire. Among them, the sensors used in smoke alarms include ion sensors and photoelectric sensors. Because the photoelectric sensor is easy to be triggered and sensed in an environment with too much water vapor and humidity, and the ion sensor is also easily triggered to sense the smoke gen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/33F24F11/64F24F11/89F24F110/10F24F110/72
CPCF24F11/33F24F11/64F24F11/89F24F2110/72F24F2110/10
Inventor 周莉娟杨彦图
Owner GUANDONG GIWEE TECH CO LTD
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