CN104990198B - A kind of air conditioner and its fire detection and control method and system - Google Patents

A kind of air conditioner and its fire detection and control method and system Download PDF

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Publication number
CN104990198B
CN104990198B CN201510256777.9A CN201510256777A CN104990198B CN 104990198 B CN104990198 B CN 104990198B CN 201510256777 A CN201510256777 A CN 201510256777A CN 104990198 B CN104990198 B CN 104990198B
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Prior art keywords
fire
air conditioner
detection signal
infrared
detection
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CN201510256777.9A
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CN104990198A (en
Inventor
范君涛
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/12Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52Indication arrangements, e.g. displays

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)

Abstract

The invention belongs to air-conditioning fire detection control technology field, there is provided a kind of air conditioner and its fire detection and control method and system.The present invention is by carrying out infrared detection to air conditioner inside and exporting corresponding infrared detection signal, Smoke Detection is carried out to air conditioner inside simultaneously and corresponding Smoke Detection signal is exported, and judge whether occur fire inside air conditioner according to the infrared detection signal and the Smoke Detection signal, when judging to occur fire inside air conditioner, fire extinguishing material is discharged to air conditioner inside and fire alarm prompting is sent, so as to eliminate fire in time when fire occurs for air conditioner and send fire alarm prompting, the problem of fire alarm is pointed out and eliminates fire can not be sent when fire occurs for air conditioner by solving prior art.

Description

A kind of air conditioner and its fire detection and control method and system
Technical field
The invention belongs to air-conditioning fire detection control technology field, more particularly to a kind of air conditioner and its fire detection control Method and system.
Background technology
At present, for air conditioner, it is internal comprising a variety of inflammable articles, if the automatically controlled electricity with forceful electric power in air conditioner Road occurs electric spark because of aging or loose contact, then easily causes fire inside air conditioner.Although in the prior art for Prevention air conditioner occurs fire and has made substantial amounts of work, but if once occurring fire, then can not send fire alarm prompting in time And eliminate fire to reduce loss on to greatest extent.
The content of the invention
It is an object of the invention to provide a kind of fire detection and control method of air conditioner, it is intended to which solving prior art can not The problem of fire alarm is pointed out and eliminates fire is sent when fire occurs for air conditioner.
The present invention is achieved in that a kind of fire detection and control method of air conditioner, and it comprises the following steps:
Infrared detection is carried out to air conditioner inside and corresponding infrared detection signal is exported, and air conditioner inside is entered simultaneously Row Smoke Detection simultaneously exports corresponding Smoke Detection signal;
Judge whether occur fire inside air conditioner according to the infrared detection signal and the Smoke Detection signal;
When judging to occur fire inside air conditioner, fire extinguishing material is discharged to air conditioner inside and fire alarm prompting is sent.
Present invention also offers a kind of fire detection control system of air conditioner, it is separated with the electric-control system in air conditioner Power supply;The fire detection control system include infrared detecting device, mist detecting device, master control set, extinguishing device and Fire alarm suggestion device;
The infrared detecting device carries out infrared detection to air conditioner inside and exports corresponding infrared detection signal, described Mist detecting device carries out Smoke Detection to air conditioner inside simultaneously and exports corresponding Smoke Detection signal;The master control set Judge whether occur fire inside air conditioner according to the infrared detection signal and the Smoke Detection signal;When master control dress When putting generation fire inside judgement air conditioner, the extinguishing device is carried to air conditioner inside release fire extinguishing material, and the fire alarm Showing device sends fire alarm prompting.
Include the air conditioner of above-mentioned fire detection control system present invention also offers a kind of.
The present invention is by carrying out infrared detection to air conditioner inside and exporting corresponding infrared detection signal, while to air-conditioning Smoke Detection is carried out inside device and corresponding Smoke Detection signal is exported, and is examined according to the infrared detection signal and the smog Survey signal and judge whether occur fire inside air conditioner, when judging to occur fire inside air conditioner, air conditioner inside is discharged Fire extinguishing material simultaneously sends fire alarm prompting, so as to eliminate fire in time when fire occurs for air conditioner and send fire alarm prompting, The problem of fire alarm is pointed out and eliminates fire can not be sent when fire occurs for air conditioner by solving prior art.
Brief description of the drawings
Fig. 1 is the implementation process figure of the fire detection and control method of air conditioner provided in an embodiment of the present invention;
Fig. 2 is the refinement implementation process figure of the fire detection and control method of air conditioner provided in an embodiment of the present invention;
Fig. 3 is the structure chart of the fire detection control system of air conditioner provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 shows the implementation process of the fire detection and control method of air conditioner provided in an embodiment of the present invention, in order to just In explanation, the part related to the embodiment of the present invention is illustrate only, details are as follows:
In step sl, infrared detection is carried out to air conditioner inside and exports corresponding infrared detection signal, and it is simultaneously right Smoke Detection is carried out inside air conditioner and corresponding Smoke Detection signal is exported.
In step s 2, judge whether occur fire inside air conditioner according to infrared detection signal and Smoke Detection signal.
Specifically, as shown in Fig. 2 step S2 comprises the following steps:
S21. infrared detection signal is converted into corresponding infrared detection digital value, and judges that the infrared detection digital value is It is no to be more than infrared detection threshold value, it is that then execution step S22, no, then judges that fire does not occur inside air conditioner;
S22. Smoke Detection signal is converted into corresponding Smoke Detection digital value, and judges that the Smoke Detection digital value is It is no to be more than Smoke Detection reference value, it is then to judge that fire occurs inside air conditioner, it is no, then judge that fire does not occur inside air conditioner Calamity.
Wherein, because the infrared detection signal detected by step S1 is analog electrical signal (such as current signal or voltage letter Number), so needing that infrared detection signal first is converted into corresponding infrared detection digital value (i.e. digital telecommunication in step S21 Number), then it is compared again with infrared detection threshold value set in advance;Similarly, due to the Smoke Detection detected by step S1 Signal is analog electrical signal (such as current signal or voltage signal), and the step S22 needs first to be converted to Smoke Detection signal Corresponding Smoke Detection digital value (i.e. digital electric signal), is then compared with Smoke Detection reference value set in advance again.
In step s3, when judging to occur fire inside air conditioner, fire extinguishing material is discharged to air conditioner inside and is sent Fire alarm is pointed out.
Specifically, fire extinguishing material can be conventional liquid-state extinguishing agent (such as water), solid-state extinguishing chemical (such as dry powder) or gas State extinguishing chemical (such as carbon dioxide).
The step of fire alarm is pointed out is sent in step S3 can be specifically:Send sound fire alarm prompting and/or signal lamp fire alarm Prompting.It follows that it both can be specifically individually to send sound fire alarm prompting or believe that the step of fire alarm is pointed out is sent in step S3 Sound fire alarm prompting and signal lamp fire alarm prompting are pointed out or are simultaneously emitted by signal lamp fire alarm.
Wherein, sound fire alarm prompting can be sounded the alarm with continuously sending out alarm song or discontinuous.Signal lights Alert prompting can persistently be lighted fire-warning light or control fire-warning light flashing according to certain frequency.
In addition, when judging not occur fire inside air conditioner, then not to air conditioner inside release fire extinguishing material, and not sending out Go out fire alarm prompting.
In summary, the embodiment of the present invention is by carrying out infrared detection to air conditioner inside and exporting corresponding infrared detection Signal, while Smoke Detection is carried out to air conditioner inside and corresponding Smoke Detection signal is exported, and according to infrared detection signal Judge whether occur fire inside air conditioner with Smoke Detection signal, when judging to occur fire inside air conditioner, to air conditioner Release fire extinguishing material in inside simultaneously sends fire alarm prompting, so as to eliminate fire in time when fire occurs for air conditioner and send fire Alert prompting, to reduce the loss caused by fire.
Fig. 3 shows the structure of the fire detection control system of air conditioner provided in an embodiment of the present invention, for the ease of saying It is bright, the part related to the embodiment of the present invention is illustrate only, details are as follows:
Fire detection control system is separately powered with the electric-control system in air conditioner, to ensure that fire detection control system exists Being capable of normal work during air conditioner generation fire.Fire detection control system includes infrared detecting device 100, mist detecting device 200th, master control set 300, extinguishing device 400 and fire alarm suggestion device 500.
Infrared detecting device 100 carries out infrared detection to air conditioner inside and exports corresponding infrared detection signal, smog Detection means 200 carries out Smoke Detection to air conditioner inside simultaneously and exports corresponding Smoke Detection signal;Master control set 300 Judge whether occur fire inside air conditioner according to above-mentioned infrared detection signal and Smoke Detection signal;When master control set 300 judges When occurring fire inside air conditioner, extinguishing device 400 is sent out air conditioner inside release fire extinguishing material, and fire alarm suggestion device 500 Go out fire alarm prompting.
Specifically, master control set 300 judged according to above-mentioned infrared detection signal and Smoke Detection signal be inside air conditioner It is no occur fire process be specially:
Infrared detection signal is converted to corresponding infrared detection digital value by master control set 300, and judges the infrared detection Whether digital value is more than infrared detection threshold value, if it is not, then judging that fire does not occur inside air conditioner, if so, then master control set 300 Smoke Detection signal is converted into corresponding Smoke Detection digital value, and judges whether the Smoke Detection digital value is more than smog inspection Reference value is surveyed, if so, then judging that fire occurs inside air conditioner, if it is not, then judging that fire does not occur inside air conditioner.
Wherein, because the infrared detection signal detected by infrared detecting device 100 is analog electrical signal (such as current signal Or voltage signal), so master control set 300 needs that infrared detection signal progress analog-to-digital conversion first is obtained into corresponding infrared detection Digital value (i.e. digital electric signal), is then compared with infrared detection threshold value set in advance again;Similarly, due to Smoke Detection Smoke Detection signal detected by device 200 is analog electrical signal (such as current signal or voltage signal), the master control set 300 need that Smoke Detection signal progress analog-to-digital conversion first is obtained into corresponding Smoke Detection digital value (i.e. digital electric signal), so It is compared again with Smoke Detection reference value set in advance afterwards.
The fire extinguishing material discharged for above-mentioned extinguishing device 400 to air conditioner inside, it can be that conventional liquid is gone out Fiery agent (such as water), solid-state extinguishing chemical (such as dry powder) or gaseous fire extinguishing agent (such as carbon dioxide).
For fire alarm suggestion device 500, its process for sending fire alarm prompting can be specifically:Fire alarm suggestion device 500 is sent out Go out sound fire alarm prompting and/or signal lamp fire alarm prompting.It follows that it is specific that fire alarm prompting is sent in fire alarm suggestion device 500 Both can be individually to send sound fire alarm prompting or signal lamp fire alarm prompting or be simultaneously emitted by sound fire alarm prompting and believe Signal lamp fire alarm is pointed out.
Wherein, sound fire alarm prompting can be sounded the alarm with continuously sending out alarm song or discontinuous.Signal lights Alert prompting can persistently be lighted fire-warning light or control fire-warning light flashing according to certain frequency.
In addition, when not occurring fire inside the judgement air conditioner of master control set 300, then extinguishing device 400 is not to air conditioner Inside release fire extinguishing material, and fire alarm suggestion device 500 does not send fire alarm prompting.
In actual applications, infrared detecting device 100 is specifically infrared sensor, and mist detecting device 200 is specifically cigarette Mist sensor, master control set 300 be specifically with single-chip microcomputer, arm processor or other possess mathematical logic disposal ability can Programming device is the control circuit of core, and extinguishing device 400 is specifically the fire extinguisher for storing above-mentioned fire extinguishing material, fire alarm prompting Device 500 is specifically to include the warning device of alarm bell warning device and/or signal lamp warning device.
In summary, the embodiment of the present invention carries out infrared detection to air conditioner inside and defeated by infrared detecting device 100 Go out corresponding infrared detection signal, mist detecting device 200 carries out Smoke Detection to air conditioner inside and exports corresponding simultaneously Smoke Detection signal, and by master control set 300 according to infrared detection signal and Smoke Detection signal judge inside air conditioner whether Generation fire, when judging to occur fire inside air conditioner, extinguishing device 400 discharges fire extinguishing material, and fire to air conditioner inside Alert suggestion device 500 sends fire alarm prompting, is carried so as to eliminate fire in time when fire occurs for air conditioner and send fire alarm Show, to reduce the loss caused by fire.
Application advantage based on above-mentioned fire detection control system in air conditioner, the embodiment of the present invention additionally provides one kind Include the air conditioner of above-mentioned fire detection control system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (5)

1. a kind of fire detection and control method of air conditioner, it is characterised in that the fire detection and control method includes following step Suddenly:
Infrared detection is carried out to air conditioner inside and corresponding infrared detection signal is exported, and cigarette is carried out to air conditioner inside simultaneously Mist detects and exports corresponding Smoke Detection signal;
Judge whether occur fire inside air conditioner according to the infrared detection signal and the Smoke Detection signal;
When judging to occur fire inside air conditioner, fire extinguishing material is discharged to air conditioner inside and fire alarm prompting is sent;
The step for judging fire whether occurs inside air conditioner according to the infrared detection signal and the Smoke Detection signal Suddenly comprise the following steps:
A. the infrared detection signal is converted into corresponding infrared detection digital value, and judges that the infrared detection digital value is It is no to be more than infrared detection threshold value, it is that then execution step b, no, then judges that fire does not occur inside air conditioner;
B. the Smoke Detection signal is converted into corresponding Smoke Detection digital value, and judges that the Smoke Detection digital value is It is no to be more than Smoke Detection reference value, it is then to judge that fire occurs inside air conditioner, it is no, then judge that fire does not occur inside air conditioner Calamity.
2. fire detection and control method as claimed in claim 1, it is characterised in that described to send the step of fire alarm is pointed out specific For:Send sound fire alarm prompting and/or signal lamp fire alarm prompting.
3. a kind of fire detection control system of air conditioner, separately powers with the electric-control system in air conditioner, it is characterised in that institute Stating fire detection control system includes infrared detecting device, mist detecting device, master control set, extinguishing device and fire alarm prompting Device;
The infrared detecting device carries out infrared detection to air conditioner inside and exports corresponding infrared detection signal, the smog Detection means carries out Smoke Detection to air conditioner inside simultaneously and exports corresponding Smoke Detection signal;The master control set according to The infrared detection signal and the Smoke Detection signal judge whether occur fire inside air conditioner;When the master control set is sentenced When determining to occur fire inside air conditioner, the extinguishing device is to air conditioner inside release fire extinguishing material, and dress is pointed out in the fire alarm Put and send fire alarm prompting;
The master control set judges whether occur inside air conditioner according to the infrared detection signal and the Smoke Detection signal The process of fire is specially:
The infrared detection signal is converted to corresponding infrared detection digital value by the master control set, and judges the infrared inspection Survey whether digital value is more than infrared detection threshold value, if it is not, then judging that fire does not occur inside air conditioner, if so, the then master control The Smoke Detection signal is converted to corresponding Smoke Detection digital value by device, and whether judges the Smoke Detection digital value More than Smoke Detection reference value, if so, then judging that fire occurs inside air conditioner, if it is not, then judging do not occur inside air conditioner Fire.
4. fire detection control system as claimed in claim 3, it is characterised in that the fire alarm suggestion device sends fire alarm and carried The process shown is specially:
The fire alarm suggestion device sends sound fire alarm prompting and/or signal lamp fire alarm prompting.
5. a kind of air conditioner, it is characterised in that the air conditioner includes the fire detection as described in any one of claim 3 to 4 Control system.
CN201510256777.9A 2015-05-18 2015-05-18 A kind of air conditioner and its fire detection and control method and system Active CN104990198B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282419A (en) * 2018-09-12 2019-01-29 珠海格力电器股份有限公司 Air-conditioning system, its prevent fires method for early warning, computer equipment and storage medium

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CN105405246A (en) * 2015-12-16 2016-03-16 广东志高空调有限公司 Air conditioner with intelligent fireproof alarm function
DE102016212940A1 (en) * 2016-07-15 2018-01-18 Siemens Aktiengesellschaft Method for controlling an interior ventilation and detection control device
CN109916062B (en) * 2018-07-25 2021-07-30 江西省琪琪医疗器械有限公司 Cabinet air conditioner based on image measurement
CN113685966B (en) * 2021-07-28 2022-12-23 重庆海尔空调器有限公司 Air conditioner control method and device and air conditioner

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