CN110578987A - Cloud-based air conditioner fireproof system and method and storage medium - Google Patents
Cloud-based air conditioner fireproof system and method and storage medium Download PDFInfo
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- CN110578987A CN110578987A CN201910729023.9A CN201910729023A CN110578987A CN 110578987 A CN110578987 A CN 110578987A CN 201910729023 A CN201910729023 A CN 201910729023A CN 110578987 A CN110578987 A CN 110578987A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Business, Economics & Management (AREA)
- Multimedia (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
the invention relates to an air conditioner fireproof system, method and storage medium based on cloud, comprising the following steps: acquiring infrared image information of the interior of the air conditioner every threshold time T, and acquiring real-time temperature information of a temperature sensor; judging whether the air conditioner has an overheating hidden danger or not according to the obtained real-time temperature information, and if the air conditioner has the overheating hidden danger, cutting off the power supply of the air conditioner, giving an alarm and informing a management center through a cloud end; and judging whether the air conditioner has a fire hazard according to the acquired infrared image information, if so, cutting off the power supply of the air conditioner, giving an alarm, informing a management center through a cloud end, and controlling a fire extinguishing module to extinguish a fire. According to the invention, whether the air conditioner has overheating hidden danger and fire hidden danger or not can be intelligently monitored by analyzing the infrared image in the air conditioner and the temperature information of the compressor, so that the air conditioner can be effectively prevented from being burnt out.
Description
Technical Field
The invention relates to the technical field of fire hydrants, in particular to an air conditioner fire prevention system and method based on a cloud end and a storage medium.
background
the air conditioner undoubtedly brings great convenience to people when in use, and can greatly improve the living environment of people in hot summer, cold winter and wet spring.
Most of air conditioners in the current market do not have potential overheating hazard and potential fire hazard detection, the air conditioners are frequently burnt, and serious and even large-area fire disasters are caused.
the air conditioner fire prevention system, the air conditioner fire prevention method and the air conditioner fire prevention storage medium based on the cloud are needed in the current market, whether the air conditioner has overheating hidden dangers and fire hidden dangers or not can be intelligently monitored by analyzing infrared images in the air conditioner and temperature information of a compressor, and the air conditioner can be effectively prevented from being burnt out when a fire breaks out.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an air conditioner fireproof system, an air conditioner fireproof method, an air conditioner fireproof storage medium, an air conditioner fireproof method and an air conditioner fireproof storage medium.
in order to achieve the purpose, the invention adopts the following technical scheme:
the cloud-based air conditioner fireproof system, method and storage medium are provided, and the method comprises the following steps:
the camera module comprises a CCD camera with an infrared filter, and is used for acquiring infrared image information in the air conditioner every threshold time T;
the GPRS communication module is used for being in communication connection with the cloud server and informing the management center through the cloud when overheating hidden danger and/or fire hidden danger exist;
the temperature sensor is used for acquiring the surface temperature information of the compressor of the air conditioner in real time;
the data acquisition card is used for transmitting the infrared image information and the surface temperature information of the compressor to the processing module;
The alarm module is used for giving an alarm when overheating hidden danger and/or fire hidden danger exist;
The fire extinguishing module comprises a carbon dioxide fire extinguisher and is used for automatically opening to prevent fire when fire hidden danger occurs;
a processing module, the processing module comprising:
the potential overheating hazard judgment unit is used for judging whether the air conditioner has potential overheating hazards or not according to the acquired real-time temperature information;
The fire hazard judgment unit is used for judging whether the air conditioner has a fire hazard according to the acquired infrared image information;
The camera module and the temperature sensor are connected with the data acquisition card, and the data acquisition card, the GPRS communication module, the alarm module and the fire extinguishing module are connected with the processing module.
the invention also provides a cloud-based air conditioner fire prevention method, which is applied to the cloud-based air conditioner fire prevention system and comprises the following steps:
Acquiring infrared image information of the interior of the air conditioner every threshold time T, and acquiring real-time temperature information of a temperature sensor;
judging whether the air conditioner has an overheating hidden danger or not according to the obtained real-time temperature information, and if the air conditioner has the overheating hidden danger, cutting off the power supply of the air conditioner, giving an alarm and informing a management center through a cloud end;
And judging whether the air conditioner has a fire hazard according to the acquired infrared image information, if so, cutting off the power supply of the air conditioner, giving an alarm, informing a management center through a cloud end, and controlling a fire extinguishing module to extinguish a fire.
further, the specific manner for judging whether the potential overheat hazard exists includes the following steps:
setting a dangerous temperature threshold value H, constructing a real-time temperature information function image of the temperature sensor, and taking time t as an x axis, temperature value readings P as a y axis, and (0, H) as a coordinate origin;
Randomly selecting a real-time temperature information function image between (t1, P1) and (t2, P2), wherein t2-t1 is a fixed value L, calculating a function image area M between (t1, P1) and (t2, P2), wherein the area below an x axis is a negative value, and the area above the x axis is a positive value;
if the value of M is larger than 0, the potential danger of overheating exists, and if the value of M is not larger than 0, the potential danger of overheating does not exist.
further, the specific manner for judging whether the air conditioner has a fire hazard includes the following steps:
carrying out image subtraction on two adjacent frames of the obtained infrared image information through VC + +, and judging whether changes exist between the two adjacent frames of images;
Carrying out binarization processing on the image with the change to obtain second image information;
Performing image segmentation processing on the second image information to obtain a segmented pixel area;
calculating the circularity of each pixel area;
If the circularity of the pixel region is lower than a first threshold value, judging that the pixel region has no fire hazard;
and if the circularity of the pixel area is not lower than the first threshold value, judging that the fire hazard exists in the pixel area.
Further, the specific way of performing the image segmentation processing on the second image information is to perform the image segmentation processing on the second image information by means of maximum inter-class variance segmentation to obtain the pixel area.
Further, the above-mentioned manner of calculating the circularity of the pixel area includes the following:
the method selects the ratio of the square of the perimeter to the area of the pixel region as the circularity of the pixel region, and specifically comprises the following steps:
wherein Qncircularity, U, of pixel area numbered nnperimeter of nth pixel area, Enis the area of the nth pixel area, and A is a constant.
further, the cloud-based air conditioner fire prevention method further comprises the step of generating a log file when the overheating hidden danger and/or the fire hidden danger occur, wherein the content of the log file comprises the time and date when the overheating hidden danger and/or the fire hidden danger occur, a temperature sensor for detection and infrared image information.
A computer-readable storage medium is also proposed, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 2 to 7.
the invention has the beneficial effects that:
The invention can intelligently monitor whether the air conditioner has overheating hidden danger and fire hidden danger by analyzing the infrared image in the air conditioner and the temperature information of the compressor, thereby effectively avoiding the air conditioner from being burnt out by fire.
Drawings
Fig. 1 is a flow chart of a cloud-based air conditioner fire prevention method according to the present invention.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
referring to fig. 1, the invention provides an air conditioner fire protection system, method and storage medium based on cloud, comprising:
the camera module comprises a CCD camera with an infrared filter, and is used for acquiring infrared image information in the air conditioner every threshold time T; as is known from conventional fire analysis, the infrared radiation at the initial stage of a fire is mainly concentrated in the wavelength range of 850-2000nm, and therefore, the wavelength threshold of the infrared filter may be set to 800 nm.
The GPRS communication module is used for being in communication connection with the cloud server and informing the management center through the cloud when overheating hidden danger and/or fire hidden danger exist;
the temperature sensor is used for acquiring the surface temperature information of the compressor of the air conditioner in real time;
The data acquisition card is used for transmitting the infrared image information and the surface temperature information of the compressor to the processing module;
the alarm module is used for giving an alarm when overheating hidden danger and/or fire hidden danger exist; specifically, alarm module can choose comparatively common bee calling organ for use, also or the combination of bee calling organ and double-colored breathing lamp, can shine the first colour bee calling organ sound of double-colored breathing lamp when there is overheated hidden danger, can shine the second colour bee calling organ sound of double-colored breathing lamp when there is the conflagration hidden danger. Of course, the method can be freely selected according to actual needs, and the operation of the scheme can be met.
the fire extinguishing module comprises a carbon dioxide fire extinguisher and is used for automatically opening to prevent fire when fire hidden danger occurs; the specific fire extinguishing module adopts a carbon dioxide fire extinguisher, the carbon dioxide fire extinguisher is controlled to be opened and closed by the processing module, and once fire hazards appear, carbon dioxide inside is sprayed out, and then workers supplement the fire hazards.
a processing module, the processing module comprising:
the potential overheating hazard judgment unit is used for judging whether the air conditioner has potential overheating hazards or not according to the acquired real-time temperature information;
The fire hazard judgment unit is used for judging whether the air conditioner has a fire hazard according to the acquired infrared image information;
The camera module and the temperature sensor are connected with the data acquisition card, and the data acquisition card, the GPRS communication module, the alarm module and the fire extinguishing module are connected with the processing module.
The invention also provides a cloud-based air conditioner fire prevention method, which is applied to the cloud-based air conditioner fire prevention system and comprises the following steps:
Acquiring infrared image information of the interior of the air conditioner every threshold time T, and acquiring real-time temperature information of a temperature sensor;
judging whether the air conditioner has an overheating hidden danger or not according to the obtained real-time temperature information, and if the air conditioner has the overheating hidden danger, cutting off the power supply of the air conditioner, giving an alarm and informing a management center through a cloud end;
and judging whether the air conditioner has a fire hazard according to the acquired infrared image information, if so, cutting off the power supply of the air conditioner, giving an alarm, informing a management center through a cloud end, and controlling a fire extinguishing module to extinguish a fire.
as a preferred embodiment of this embodiment, the specific manner of determining whether there is a potential overheating includes the following:
setting a dangerous temperature threshold value H, constructing a real-time temperature information function image of the temperature sensor, and taking time t as an x axis, temperature value readings P as a y axis, and (0, H) as a coordinate origin;
Randomly selecting a real-time temperature information function image between (t1, P1) and (t2, P2), wherein t2-t1 is a fixed value L, calculating a function image area M between (t1, P1) and (t2, P2), wherein the area below an x axis is a negative value, and the area above the x axis is a positive value;
If the value of M is larger than 0, the potential danger of overheating exists, and if the value of M is not larger than 0, the potential danger of overheating does not exist.
As a preferred embodiment of this embodiment, the specific manner of determining whether the air conditioner has a fire hazard includes the following:
carrying out image subtraction on two adjacent frames of the obtained infrared image information through VC + +, and judging whether changes exist between the two adjacent frames of images; image subtraction operations are now well established and are used as prior art.
Carrying out binarization processing on the image with the change to obtain second image information;
performing image segmentation processing on the second image information to obtain a segmented pixel area;
Calculating the circularity of each pixel area;
if the circularity of the pixel region is lower than a first threshold value, judging that the pixel region has no fire hazard;
And if the circularity of the pixel area is not lower than the first threshold value, judging that the fire hazard exists in the pixel area.
The specific way of performing image segmentation processing on the second image information is to perform image segmentation processing on the second image information in a maximum inter-class variance segmentation manner to obtain a pixel area.
As a preferred embodiment of this solution, the above-mentioned manner of calculating the circularity of the pixel area includes the following:
The method selects the ratio of the square of the perimeter to the area of the pixel region as the circularity of the pixel region, and specifically comprises the following steps:
Wherein Qncircularity, U, of pixel area numbered nnPerimeter of nth pixel area, Enis the area of the nth pixel area, and A is a constant. Wherein the value of A is 4 π for the purpose of improving the clear result. The first threshold value can be manually set, the circularity of a general regular circle is 1, the first threshold value can be manually set but must be larger than 1, the perimeter of the pixel region can be obtained according to the boundary chain code of the pixel region, the area of the pixel region can be obtained according to the number of bright spots in the pixel region, and the area of the pixel region can be obtained in other ways as long as the area is reasonable.
as a preferred embodiment of the present disclosure, the cloud-based air conditioner fire prevention method further includes generating a log file when an overheating hidden danger and/or a fire hidden danger occurs, where the content of the log file includes a time and a date when the overheating hidden danger and/or the fire hidden danger occurs, a temperature sensor used for detection, and infrared image information. By generating the log file, the method is beneficial to summarizing the rules of the occurrence of the fire hazard in the future.
A computer-readable storage medium is also proposed, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 2 to 7.
the modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the above-described method embodiments when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, etc. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
while the present invention has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the invention by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications thereto.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (8)
1. Air conditioner fire protection system based on high in clouds, its characterized in that includes:
the camera module comprises a CCD camera with an infrared filter, and is used for acquiring infrared image information in the air conditioner every threshold time T;
The GPRS communication module is used for being in communication connection with the cloud server and informing the management center through the cloud when overheating hidden danger and/or fire hidden danger exist;
The temperature sensor is used for acquiring the surface temperature information of the compressor of the air conditioner in real time;
the data acquisition card is used for transmitting the infrared image information and the surface temperature information of the compressor to the processing module;
the alarm module is used for giving an alarm when overheating hidden danger and/or fire hidden danger exist;
the fire extinguishing module comprises a carbon dioxide fire extinguisher and is used for automatically opening to prevent fire when fire hidden danger occurs;
a processing module, the processing module comprising:
the potential overheating hazard judgment unit is used for judging whether the air conditioner has potential overheating hazards or not according to the acquired real-time temperature information;
the fire hazard judgment unit is used for judging whether the air conditioner has a fire hazard according to the acquired infrared image information;
The camera module and the temperature sensor are connected with the data acquisition card, and the data acquisition card, the GPRS communication module, the alarm module and the fire extinguishing module are connected with the processing module.
2. the air conditioner fire prevention method based on the cloud is characterized by being applied to the air conditioner fire prevention system based on the cloud, and comprising the following steps:
Acquiring infrared image information of the interior of the air conditioner every threshold time T, and acquiring real-time temperature information of a temperature sensor;
judging whether the air conditioner has an overheating hidden danger or not according to the obtained real-time temperature information, and if the air conditioner has the overheating hidden danger, cutting off the power supply of the air conditioner, giving an alarm and informing a management center through a cloud end;
and judging whether the air conditioner has a fire hazard according to the acquired infrared image information, if so, cutting off the power supply of the air conditioner, giving an alarm, informing a management center through a cloud end, and controlling a fire extinguishing module to extinguish a fire.
3. The cloud-based air conditioner fire protection method of claim 2, wherein the specific manner for determining whether the potential overheating hazard exists comprises the following steps:
Setting a dangerous temperature threshold value H, constructing a real-time temperature information function image of the temperature sensor, and taking time t as an x axis, temperature value readings P as a y axis, and (0, H) as a coordinate origin;
Randomly selecting a real-time temperature information function image between (t1, P1) and (t2, P2), wherein t2-t1 is a fixed value L, calculating a function image area M between (t1, P1) and (t2, P2), wherein the area below an x axis is a negative value, and the area above the x axis is a positive value;
if the value of M is larger than 0, the potential danger of overheating exists, and if the value of M is not larger than 0, the potential danger of overheating does not exist.
4. the cloud-based air conditioner fire prevention method of claim 2, wherein the specific manner for judging whether the air conditioner has a fire hazard comprises the following steps:
carrying out image subtraction on two adjacent frames of the obtained infrared image information through VC + +, and judging whether changes exist between the two adjacent frames of images;
Carrying out binarization processing on the image with the change to obtain second image information;
Performing image segmentation processing on the second image information to obtain a segmented pixel area;
calculating the circularity of each pixel area;
If the circularity of the pixel region is lower than a first threshold value, judging that the pixel region has no fire hazard;
and if the circularity of the pixel area is not lower than the first threshold value, judging that the fire hazard exists in the pixel area.
5. the cloud-based air-conditioning fireproof method according to claim 4, wherein the specific way of performing image segmentation processing on the second image information is to perform image segmentation processing on the second image information by means of maximum inter-class variance segmentation to obtain an image element region.
6. The cloud-based air-conditioning fire protection method of claim 5, wherein the manner of calculating the circularity of the pixel area comprises the following:
the method selects the ratio of the square of the perimeter to the area of the pixel region as the circularity of the pixel region, and specifically comprises the following steps:
wherein QnCircularity, U, of pixel area numbered nnperimeter of nth pixel area, Enis the area of the nth pixel area, and A is a constant.
7. the cloud-based air-conditioning fire protection method according to claim 2, further comprising generating a log file when an overheating potential hazard and/or a fire hazard occurs, wherein the content of the log file comprises a time and a date when the overheating potential hazard and/or the fire hazard occurs, a temperature sensor for detection, and infrared image information.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 2-7.
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| CN114543257A (en) * | 2022-01-17 | 2022-05-27 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN116271667A (en) * | 2023-05-12 | 2023-06-23 | 陕西开来机电设备制造有限公司 | Electric control fire prevention and extinguishing system of mining belt conveyor |
| DE102022212224A1 (en) | 2022-11-16 | 2024-05-16 | It Inventor Gmbh | Device and method for monitoring a compressor |
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