WO2019033999A1

WO2019033999A1 - Fire alarm method and system based on air conditioner

Info

Publication number: WO2019033999A1
Application number: PCT/CN2018/100034
Authority: WO
Inventors: 刘超超; 王彦生; 曾福祥; 刘秋菊
Original assignee: 青岛海尔空调器有限总公司
Priority date: 2017-08-14
Filing date: 2018-08-10
Publication date: 2019-02-21
Also published as: CN107610402A

Abstract

A fire alarm method and system (10) based on an air conditioner (100). The fire alarm method based on an air conditioner (100) comprises: an outdoor unit (102) and an indoor unit (101) of an air conditioner (100) respectively detecting an environmental temperature of a respective position thereof, so as to obtain an outdoor environmental temperature and an indoor environmental temperature; determining whether a fire event has occurred in an operation environment of the air conditioner (100) based on the outdoor environmental temperature and the indoor environmental temperature; after it is determined that a fire event has occurred in the operation environment of the air conditioner (100), starting an alarm apparatus (200) of the air conditioner (100) itself to give a fire alarm, and acquiring an online state of the air conditioner (100); and according to the online state, sending fire prompting information to a device in data connection with the air conditioner (100).

Description

Air conditioner based fire alarm method and system

Technical field

The invention relates to an air conditioner, in particular to a fire alarm method and system based on an air conditioner.

Background technique

The automatic fire alarm system of the prior art is composed of a triggering device, a fire alarm device, a fire alarm device, and a device having other auxiliary functions. In the early stage of the fire, it can convert the physical quantities such as smoke, heat and light radiation generated by combustion into electrical signals through fire detectors such as temperature sensing, smoke sensing and sensitization, determine the fire location in time, and perform alarms and other related linkage measures.

However, arranging a separate fire alarm system requires re-wiring and setting up new equipment, which requires a large cost and also affects the layout of the original decoration or other facilities. This has made the promotion of the fire alarm system more difficult, especially the number of fire alarm systems arranged in the home is very small. In the event of a fire disaster, it is easy to cause significant losses.

Summary of the invention

An object of the present invention is to provide a fire alarm method and system based on an air conditioner to perform fire detection and alarm using an air conditioner.

A further object of the present invention is to save the cost of the arrangement of the fire alarm system and to improve the alarm effect.

In particular, the present invention provides a fire alarm method based on an air conditioner, which comprises: detecting an ambient temperature of a respective location by an outdoor unit and an indoor unit of the air conditioner to obtain an outdoor ambient temperature and an indoor ambient temperature; The ambient temperature and the indoor ambient temperature determine whether there is a fire event in the working environment of the air conditioner; after determining that a fire event occurs in the working environment of the air conditioner, the alarm device of the air conditioner itself is activated to perform a fire alarm, and the online state of the air conditioner is obtained; The online status sends a fire alert message to the device connected to the air conditioner data.

Optionally, the step of determining whether a fire event occurs in the working environment of the air conditioner according to the outdoor ambient temperature and the indoor ambient temperature comprises: determining that a fire event occurs when the outdoor ambient temperature and the indoor ambient temperature satisfy a preset determination condition, and The determination condition includes any one of the following: the outdoor ambient temperature is greater than or equal to the sum of the temperature of the air conditioner and the set temperature difference; the outdoor ambient temperature is greater than or equal to the preset first fire occurrence temperature threshold; the indoor ambient temperature is greater than or It is equal to the preset second fire occurrence temperature threshold; the indoor ambient temperature is greater than or equal to the preset indoor high temperature threshold and continues to increase.

Optionally, the online state of the air conditioner includes: a data connection state of the air conditioner and other air conditioners in the area where the air conditioner is located, and in the case that the air conditioner has data connection capability with other air conditioners in the area where the air conditioner is located, the step of sending the fire prompt information includes: The equipment affected by the fire event is selected from other air conditioners, and the fire prompt information is sent to the selected equipment.

Optionally, the step of selecting a device affected by the fire event from the other air conditioners comprises: identifying a location level of the air conditioner that detects the fire event and other air conditioners in the area where the fire event is located; determining an impact level of the fire event; The correspondence relationship between the influence level of the fire event and the position-related level determines the air conditioner that is affected by the fire event as the transmission target device of the fire prompt information.

Optionally, the step of identifying a location-related level of the air conditioner that detects the fire event and other air conditioners in the area includes: obtaining an installation location of the air conditioner from the air conditioner maintenance database, and determining, according to the installation location, the fire event is detected. The level of position of the air conditioner with other air conditioners.

Optionally, the step of identifying a location association level of the air conditioner that detects the fire event and other air conditioners in the area includes: obtaining location information of the user terminal bound to the air conditioner, and determining, according to the location information of the user terminal, the detected fire The air conditioner of the event is associated with the position of other air conditioners.

Optionally, the step of identifying a location association level between the air conditioner that detects the fire event and other air conditioners in the area includes: obtaining a network connection routing table of the air conditioner, and determining the detection according to the network topology relationship of the air conditioner in the network connection routing table. The position of the air conditioner that has a fire event is related to the position of other air conditioners.

Optionally, the online state of the air conditioner further includes any one of the following: a data connection state of the air conditioner and the property management system, a data connection state of the air conditioner and the fire alarm processing device, a data connection state of the air conditioner and the user terminal, and sending The fire prompt information includes any one of the following methods: when the air conditioner and the property management system establish a data transmission channel and the data transmission is normal, the air conditioner sends a fire prompt information to the property management system; in the air conditioner and the fire alarm processing device When the data transmission channel is established and the data transmission is normal, the air conditioner sends a fire prompt message to the fire alarm processing device; when the air conditioner and the user terminal establish a data transmission channel and the data transmission is normal, the air conditioner sends a fire to the user terminal. Prompt message.

According to another aspect of the present invention, an air conditioner-based fire alarm system is further provided, comprising: a plurality of air conditioners, wherein the outdoor unit and the indoor unit of each air conditioner respectively detect the ambient temperature of the respective locations, and obtain an outdoor Ambient temperature and indoor ambient temperature; fire detection equipment configured to determine whether a fire event occurs in the working environment of the air conditioner according to the outdoor ambient temperature and the indoor ambient temperature; the local alarm device is disposed in the air conditioner and configured to determine where it is located After the fire event occurs in the working environment of the air conditioner, a fire alarm is issued; the remote alarm device is configured to send a fire prompt message to the device connected to the air conditioner data according to the online state of the air conditioner.

Optionally, the fire detecting device is further configured to: when the outdoor ambient temperature and the indoor ambient temperature meet the preset determination condition, determine that a fire event occurs, and the determining condition includes any one of the following: the outdoor ambient temperature is greater than or equal to the air conditioner. The temperature in the area where the device is located is added to the set temperature difference; the outdoor ambient temperature is greater than or equal to the preset first fire occurrence temperature threshold; the indoor ambient temperature is greater than or equal to the preset second fire occurrence temperature threshold; the indoor ambient temperature is greater than or Equal to the preset indoor high temperature threshold and continue to increase;

The remote alarm device is further configured to send the fire prompt information by using any one of the following methods: selecting a device affected by the fire event from other air conditioners in the area where the air conditioner is detected, and sending a fire prompt to the selected device. Information; when the air conditioner and the property management system establish a data transmission channel and the data transmission is normal, the fire prompt information is sent to the property management system; when the air conditioner and the fire alarm processing device establish a data transmission channel and the data transmission is normal Sending fire prompt information to the fire alarm processing device; when the air conditioner and the user terminal establish a data transmission channel and the data transmission is normal, the fire prompt information is sent to the user terminal.

The air conditioner-based fire alarm method of the present invention uses the air conditioner outdoor unit and the indoor unit to respectively detect the ambient temperature of each location, and is used for judging whether a fire event occurs, because the air conditioner outdoor unit and the indoor unit can be utilized The temperature detected by the temperature detecting device serves as a basis for judging the fire event, and it is not necessary to increase the detecting device of other probes, thereby saving hardware costs. After determining the fire event in the working environment of the air conditioner, the local alarm is performed by using the alarm device of the air conditioner itself, and the remote fire prompt information can be transmitted according to the online state of the air conditioner. Due to the large number of air conditioners and the dense distribution, it is possible to determine the fire events in time, effectively perform local and remote alarms, improve the timeliness of the alarms, and ensure the safety of the user's personal property.

Further, the air conditioner-based fire alarm method of the present invention can perform remote alarms in various ways, so that users affected by fire events can obtain fire alarm information in time to facilitate timely escape or disposal.

Furthermore, the air conditioner-based fire alarm method of the present invention can intelligently identify the range affected by the fire event, thereby automatically determining the target device that transmits the fire prompt information.

The above as well as other objects, advantages and features of the present invention will become apparent to those skilled in the <

DRAWINGS

Some specific embodiments of the present invention will be described in detail, by way of example, and not limitation, The same reference numbers in the drawings identify the same or similar parts. Those skilled in the art should understand that the drawings are not necessarily drawn to scale. In the figure:

1 is a schematic architectural diagram of an air conditioner based fire alarm system in accordance with one embodiment of the present invention;

2 is a block diagram of a remote fire prompt for an air conditioner based fire alarm system in accordance with another embodiment of the present invention;

3 is a schematic diagram of a fire alarm method based on an air conditioner according to an embodiment of the present invention;

4 is a schematic architectural diagram of an air conditioner based in accordance with one embodiment of the present invention.

Detailed ways

1 is a schematic architectural diagram of an air conditioner based fire alarm system 10, which may include: a plurality of air conditioners 100, a fire detection device 300, and a local alarm device, in accordance with an embodiment of the present invention. 200. Remote alarm device 400. The plurality of air conditioners 100 preferably employ smart air conditioners having network connection and data processing capabilities. For example, the plurality of air conditioners 100 may have data transmission capabilities of the network connection server, or the air conditioners 100 in a certain area may also have interconnections. Features.

4 is a schematic architectural diagram of an air conditioner based in accordance with one embodiment of the present invention. The outdoor unit 102 and the indoor unit 101 of each of the air conditioners 100 respectively detect the ambient temperatures of the respective locations, and obtain the outdoor ambient temperature and the indoor ambient temperature. The indoor unit 102 and the outdoor unit 101 of the air conditioner 100 can measure the outdoor ambient temperature and the indoor ambient temperature using the ambient temperature sensor 103 provided therein, respectively.

The fire detecting device 300 may be configured to determine whether a fire event occurs in the working environment of the air conditioner 100 based on the outdoor ambient temperature and the indoor ambient temperature. The fire detecting device 300 may be disposed in the air conditioner 100, and analyzes the outdoor ambient temperature and the indoor ambient temperature by using a data processor of the air conditioner 100 to determine whether a fire event occurs in the working environment of the air conditioner 100. In other embodiments, the fire detecting device 300 may also be disposed on the network side, and the analysis is performed by acquiring the outdoor ambient temperature and the indoor ambient temperature detected by the air conditioner 100.

The fire detecting device 300 can recognize that a fire event occurs when the outdoor ambient temperature and the indoor ambient temperature satisfy a predetermined determination condition. The above determination conditions are set in accordance with changes in temperature at the time of fire occurrence. In this embodiment, by testing the temperature of the working environment of the air conditioner 100, it is preferable to adopt the judgment condition including any one of the following: the outdoor ambient temperature is greater than or equal to the temperature of the air conditioner and the set temperature difference is added (ie, the detection is The outdoor ambient temperature is significantly higher than the temperature of the area where the air conditioner 100 is located; the outdoor ambient temperature is greater than or equal to the preset first fire occurrence temperature threshold (the outdoor environment is high temperature); the indoor ambient temperature is greater than or equal to the preset second fire A temperature threshold occurs (high temperature occurs in the indoor environment); if the indoor ambient temperature is greater than or equal to the preset indoor high temperature threshold and continues to increase (a fire occurs in the indoor environment and continues to spread), the above determination condition may be configured according to the specific installation environment of the air conditioner 100. And when any of the determination conditions is established, it is considered that a fire event has occurred.

The local alarm device 200 may be disposed in the air conditioner 100 and configured to perform a fire alarm after a fire event occurs in the 200 working environment of the air conditioner in which it is located. The local alarm device 200 can output a fire alarm alarm signal by using a buzzer or an alarm light.

2 is a block diagram of a remote fire alarm system 10 based on an air conditioner according to another embodiment of the present invention. The remote alarm device 400 in the air conditioner based fire alarm system 100 can select at least one remote fire as needed. Alarm mode. The remote alarm device 400 may be configured to transmit fire prompt information to a device that is data-connected to the air conditioner 100 according to the online state of the air conditioner 100. According to the online state of the air conditioner 100, the remote alarm device 400 can be directed to other air conditioners in the relevant area (for example, other air conditioners in the same building), the property management system 410 (building control system, community monitoring system), and fire alarm processing device 420. Fire warning information is provided (fire alarm system).

In the case where the air conditioner 100 is interconnected with the surrounding air conditioner 100, equipment affected by the fire event may be selected from other air conditioners in the area where the air conditioner 100 in which the fire event is detected, and the fire is sent to the selected equipment. Prompt message. The process of selecting equipment affected by the fire event from other air conditioners may include: determining an impact level of the fire event; determining an air conditioner affected by the fire event according to a correspondence relationship between the influence level of the preset fire event and the position correlation level , as a destination device for sending fire prompt information.

For example, according to the positional relationship between the air conditioners 100, the positional association level between the air conditioners 100 is divided into a plurality of levels, and the number of divisions of the levels can be flexibly set, for example, divided into three levels of high, medium, and low, or divided into Strong (for example, the relationship between the air conditioners 100 in the same household), medium strong (for example, the relationship between the air conditioners 100 in the same unit), weak (for example, the relationship between the air conditioners 100 in the same building) ), medium (for example, the relationship between the air conditioners 100 in adjacent buildings), weak (for example, the relationship between the same cell or the air conditioner 100 in the same block). The above position correlation level can be based on the position between the air conditioners

The impact level of a fire event can be classified into serious, general, hidden danger, etc., for example, can be judged according to duration, and the like. The impact level of the fire event can also be flexibly set. For example, in the initial stage after determining the occurrence of a fire event (for example, within 5 s), the impact level of the fire event can be set as a hidden danger. At this time, only the air conditioner 100 of the strong level is required. (The air conditioner in the same household) sends a fire warning message. If the fire event continues, the fire prompt information can be continuously improved. For example, the fire event lasting for 1 minute is recognized as a general level. At this time, the air conditioner can be medium and strong. 100 sends a fire reminder message for more than 5 minutes, it is necessary to send fire prompt information to the air conditioner 100 with weak strength and above; if it lasts for 10 minutes or more, it is necessary to send fire prompt information to the air conditioner 100 of the middle and above; If the intermediate air conditioner 100 determines that a fire event has occurred, it is necessary to transmit a fire prompt message to the air conditioner 100 of the weaker level or higher.

By using the air conditioner 100 described above to send fire prompt information to an air conditioner within a certain influence range, it is possible to effectively perform a fire alarm within the fire influence range, thereby reducing the impact of the fire in time and protecting the personal and property safety. In the prior art, the fire alarm device can only perform an alarm within the range of its own alarm. The air conditioner based fire alarm system 10 of the present embodiment can expand the alarm range and can notify the user of the fire event influence range in time, and the alarm effect is obviously better.

In addition to transmitting fire prompt information to other air conditioners 100, the air conditioner based fire 410 disaster alarm system of the present embodiment can also provide prompt information to other devices. For example, when the air conditioner 10 and the property management system (for example, the central control system of the property, the integrated monitoring system) establish a data transmission channel and the data transmission is normal, the fire prompt information is sent to the property management system 410; the air conditioner 100 and the fire alarm When the processing device 420 (for example, the fire alarm processing system, the 119 linkage alarm system) establishes a data transmission channel and the data transmission is normal, the fire prompt information is transmitted to the fire alarm processing device 420; the data transmission is established between the air conditioner 100 and the user terminal 430. In the case where the channel and the data transmission are normal, the fire prompt information is transmitted to the user terminal 430.

The air conditioner-based fire alarm system 10 of the present example utilizes the characteristics that the air conditioner 100 is densely arranged and has its own temperature detecting means, and the ambient temperature of the indoor unit and the outdoor unit can be used as the judgment basis for judging the fire event, without adding other The detection device of the probe saves the hardware cost, determines the fire event in time, effectively performs local and remote alarms, improves the timeliness of the alarm, and ensures the safety of the user's personal property.

The embodiment of the invention also provides a fire alarm method based on an air conditioner. The air conditioner-based fire alarm method can be executed by the above-described air conditioner-based fire alarm system 10, thereby realizing intelligent detection and automatic alarm of fire alarm. 3 is a schematic diagram of an air conditioner based fire alarm method according to an embodiment of the present invention, the air conditioner based fire alarm method includes:

In step S302, the outdoor unit and the indoor unit of the air conditioner 100 respectively detect the ambient temperature of each location to obtain the outdoor ambient temperature and the indoor ambient temperature; the outdoor unit and the indoor unit of each air conditioner 100 respectively detect the ambient temperature of the respective location. Get outdoor ambient temperature and indoor ambient temperature. The indoor unit and the outdoor unit of the air conditioner 100 can respectively measure the outdoor ambient temperature and the indoor ambient temperature using an internal temperature sensor provided therein.

Step S304, determining whether a fire event occurs in the working environment of the air conditioner 100 according to the outdoor environment temperature and the indoor environment temperature. The determining step may be: determining that a fire event occurs when the outdoor ambient temperature and the indoor ambient temperature satisfy a preset determination condition, and the determining condition includes any one or more of the following: the outdoor ambient temperature is greater than or equal to the area of the air conditioner. The temperature and the set temperature difference are added (that is, the detected outdoor ambient temperature is significantly higher than the temperature of the air conditioner 100); the outdoor ambient temperature is greater than or equal to the preset first fire occurrence temperature threshold (the outdoor environment appears high temperature); The indoor ambient temperature is greater than or equal to the preset second fire occurrence temperature threshold (high temperature in the indoor environment); the indoor ambient temperature is greater than or equal to the preset indoor high temperature threshold and continues to increase (fire in the indoor environment and continues to spread), the above determination The condition may be configured according to the specific installation environment of the air conditioner, and a fire event is considered to occur when any of the determination conditions is established.

For example, the temperature data of the area where the air conditioner 100 is located may be obtained in advance. If the outdoor ambient temperature is higher than the temperature data exceeds 5 degrees or the outdoor ambient temperature reaches 50 degrees or more, the outdoor environment may be identified as a fire event, and for example, the indoor temperature is 26 If the degree is above and continues to rise (for example, if the temperature rises by 1 degree every 5 minutes for 5 consecutive cycles), it can be considered that a fire has occurred in the indoor environment and continues to spread.

Step S306, after determining that a fire event occurs in the working environment of the air conditioner 100, the alarm device of the air conditioner 100 itself is activated to perform a fire alarm. The alarm device of the air conditioner itself can output a fire alarm alarm signal by means of a buzzer or an alarm light.

In step S308, the online state of the air conditioner 100 is acquired, and the fire prompt information is sent to the device connected to the air conditioner 100 according to the online state. Step S308 can realize remote alarm, for example, to other air conditioners in the relevant area (for example, other air conditioners in the same building), property management system 410 (building control system, community monitoring system), fire alarm processing equipment 420 (fire alarm system) The user terminal 430 or the like provides fire prompt information. The online state of the above air conditioner includes a data connection state of the air conditioner and a network device or a terminal device that can perform data transmission.

The online state of the air conditioner 100 includes the data connection state of the air conditioner 100 and other air conditioners in the area where the air conditioner 100 is located, and in the case where the air conditioner 100 has data connection capability with other air conditioners in the area where it is located, that is, in the air conditioner 100 and the surrounding air conditioners In the case of interconnection, the equipment affected by the fire event may be selected from other air conditioners in the area where the air conditioner is detected, and the fire prompt information is sent to the selected equipment.

The step of selecting the device affected by the fire event from the other air conditioners 100 may include: identifying a position correlation level of the air conditioner 100 detecting the fire event and other air conditioners in the area where the fire event is located; determining an impact level of the fire event; according to the preset The correspondence relationship between the influence level of the fire event and the position-related level determines the air conditioner that is affected by the fire event as the transmission target device of the fire prompt information.

According to the positional relationship between the air conditioners 100, the positional association level between the air conditioners 100 is divided into a plurality of levels, and the number of divisions of the levels can be flexibly set, for example, divided into three levels of high, medium, and low, or divided into strong levels. Strong (such as the relationship between air conditioners in the same household), medium strong (such as the relationship between air conditioners in the same unit), weak (such as the relationship between air conditioners in the same building), medium ( For example, the relationship between air conditioners in adjacent buildings), weak (for example, the relationship between air conditioners in the same cell or the same block).

The impact level of a fire event can be classified into serious, general, hidden danger, etc., for example, can be judged according to duration, and the like. The impact level of the fire event can also be flexibly set. For example, in the initial stage after determining the occurrence of a fire event (for example, within 5 s), the impact level of the fire event can be set as a hidden danger. At this time, only the air conditioner 100 of the strong level is required. (The air conditioner in the same household) sends a fire warning message. As the fire event continues, the fire prompt information can be continuously improved. For example, the fire event lasting for 1 minute is recognized as a general level. At this time, the air conditioner can be medium and strong. The device 100 sends a fire prompt message for 5 minutes or more, and needs to send fire prompt information to the air conditioner 100 that is weak and strong; if it lasts for 10 minutes or more, it is necessary to send fire prompt information to the air conditioner 100 of the middle and above; if it appears When the plurality of intermediate air conditioners 100 determine that a fire event has occurred, it is necessary to transmit fire prompt information to the air conditioners 100 of the weaker level and above.

Table 1 shows the correspondence relationship between the positional correlation level between the air conditioners 100 and the influence level of the fire event.

Table 1

It should be noted that the correspondence relationship given in Table 1 is only an example. According to the specific situation of the fire alarm area, the positional relationship level of the air conditioner, the positional relationship corresponding to the air conditioner position correlation level, and the impact level of the fire event may be performed. Settings. For example, the air conditioner position association level can also be set to other quantities.

The position-relevant level of the air conditioner 100 that recognizes the fire event and the other air conditioners in the area in which it is located can be realized by the recording of the installation position of the air conditioner 100, the position of the bound user terminal, the network routing information of the air conditioner, and the like.

For example, the installation position of the air conditioner 100 is retrieved from the air conditioner maintenance database, and the positional association level of the air conditioner 100 and other air conditioners that detected the fire event is determined based on the installation position. The air conditioner maintenance database generally records the installation position of the air conditioner 100, and the position in the installation maintenance record can be utilized to determine the positional association level between the air conditioners 100.

For another example, the location information of the user terminal 430 bound to the air conditioner 100 is acquired, and the positional association level of the air conditioner 100 and other air conditioners that detected the fire event is determined based on the location information of the user terminal 430. When the air conditioner 100 has a communication function with the user terminal, the position of the air conditioner 100 can be determined using the position information of the user terminal 430 bound to the air conditioner 100.

For example, the network connection routing table of the air conditioner 100 is retrieved, and the position correlation level of the air conditioner that detects the fire event and other air conditioners is determined according to the network topology relationship of the air conditioner in the network connection routing table. When the air conditioner 100 is disposed in the same local area network or the data communication between the air conditioners 100 is realized by the communication method of the self-organizing network, the network connection routing table of the air conditioner 100 can be used to determine the positional adjacent relationship of the air conditioner 100.

The air conditioner based fire alarm method of the present embodiment can also provide fire warning information to other devices. For example, after determining the data connection state of the air conditioner and the property management system 410, the data connection state of the air conditioner 100 and the fire alarm processing device 420, and the data connection state of the air conditioner 100 and the user terminal 430 according to the online state of the air conditioner 100, In a case where the data transmission channel is established between the air conditioner 100 and the property management system 410 and the data transmission is normal, the air conditioner 100 transmits the fire prompt information to the property management system 410; the data transmission channel is established between the air conditioner 100 and the fire alarm processing device 420. When the data transmission is normal, the air conditioner 100 transmits the fire prompt information to the fire alarm processing device 420; in the case where the air conditioner 100 establishes a data transmission channel with the user terminal 430 and the data transmission is normal, the air conditioner 100 transmits the information to the user terminal 430. Fire alert message.

In the air conditioner-based fire alarm method of the present embodiment, the ambient temperature of each location is detected by the outdoor unit and the indoor unit of the air conditioner 100, respectively, for determining whether a fire event occurs, because the outdoor unit and the indoor unit of the air conditioner 100 can be utilized. The temperature detected by the existing temperature detecting device is used as a basis for judging the fire event, and it is not necessary to increase the detecting device of other probes, thereby saving hardware costs. After the occurrence of a fire event in the working environment of the air conditioner 100, the local alarm is performed by the alarm device of the air conditioner 100 itself, and the remote fire prompt information can be transmitted according to the online state of the air conditioner 100. Because the air conditioner 100 has a large number of layouts and is densely distributed, it can timely determine the occurrence of fire events, effectively perform local and remote alarms, improve the timeliness of the alarms, and ensure the safety of the user's personal property. Remote alarming is performed in a variety of ways, so that users affected by fire events can get fire alarm information in time to facilitate timely escape or disposal. And intelligently identify the range affected by the fire event, thereby automatically determining the target device that sends the fire prompt information.

In this regard, it will be appreciated by those skilled in the <RTIgt;the</RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; The content directly determines or derives many other variations or modifications consistent with the principles of the invention. Therefore, the scope of the invention should be understood and construed as covering all such other modifications or modifications.

Claims

A fire alarm method based on an air conditioner, comprising:

The outdoor unit and the indoor unit of the air conditioner respectively detect the ambient temperature of the respective location, and obtain the outdoor ambient temperature and the indoor ambient temperature;

Determining whether a fire event occurs in the working environment of the air conditioner according to the outdoor ambient temperature and the indoor ambient temperature;

After determining that a fire event occurs in the working environment of the air conditioner, starting an alarm device of the air conditioner itself to perform a fire alarm, and acquiring an online state of the air conditioner;

Fire prompt information is transmitted to the device connected to the air conditioner data according to the online state.
The method according to claim 1, wherein the step of determining whether the working environment of the air conditioner has a fire event according to the outdoor ambient temperature and the indoor ambient temperature comprises:

In a case where the outdoor ambient temperature and the indoor ambient temperature satisfy a predetermined determination condition, the occurrence of the fire event is determined, and the determination condition includes any one of the following:

The outdoor ambient temperature is greater than or equal to the sum of the temperature of the area where the air conditioner is located and the set temperature difference;

The outdoor ambient temperature is greater than or equal to a preset first fire occurrence temperature threshold;

The indoor ambient temperature is greater than or equal to a preset second fire occurrence temperature threshold;

The indoor ambient temperature is greater than or equal to a preset indoor high temperature threshold and continues to increase.
The method of claim 1 wherein

The online state of the air conditioner includes: a data connection state of the air conditioner and other air conditioners in the area where the air conditioner is located, and a step of transmitting the fire prompt information when the air conditioner has data connection capability with other air conditioners in the area where the air conditioner is located include:

A device affected by the fire event is selected from the other air conditioners, and the fire prompt information is sent to the selected device.
The method of claim 3, wherein the step of selecting a device affected by the fire event from the other air conditioners comprises:

Identifying a level associated with the location of the air conditioner that detected the fire event and other air conditioners in the area in which it is located;

Determining an impact level of the fire event;

The air conditioner affected by the fire event is determined as a transmission target device of the fire prompt information according to a correspondence relationship between the influence level of the fire event set in advance and the position correlation level.
The method according to claim 4, wherein the step of identifying the positional association level of the air conditioner that detects the fire event with the other air conditioners in the area is:

The installation position of the air conditioner is retrieved from the air conditioner maintenance database, and the position correlation level of the air conditioner that detects the fire event and the other air conditioner is determined according to the installation position.
The method according to claim 4, wherein the step of identifying the positional association level of the air conditioner that detects the fire event with the other air conditioners in the area is:

Obtaining location information of the user terminal bound to the air conditioner, and determining a location association level of the air conditioner that detects the fire event and the other air conditioner according to the location information of the user terminal.
The method according to claim 4, wherein the step of identifying the positional association level of the air conditioner that detects the fire event with the other air conditioners in the area is:

And a network connection routing table of the air conditioner is retrieved, and a location association level of the air conditioner that detects the fire event and the other air conditioner is determined according to a network topology relationship of the air conditioner in the network connection routing table.
The method of claim 1 wherein

The online state of the air conditioner further includes any one of the following: a data connection state of the air conditioner and the property management system, a data connection state of the air conditioner and the fire alarm processing device, and a data connection between the air conditioner and the user terminal. State, and

The step of sending a fire prompt message includes any of the following methods:

When the air conditioner establishes a data transmission channel with the property management system and the data transmission is normal, the air conditioner sends the fire prompt information to the property management system;

When the air conditioner establishes a data transmission channel with the fire alarm processing device and the data transmission is normal, the air conditioner sends the fire prompt information to the fire alarm processing device;

When the air conditioner establishes a data transmission channel with the user terminal and the data transmission is normal, the air conditioner sends the fire prompt information to the user terminal.
A fire alarm system based on an air conditioner, comprising:

a plurality of air conditioners, wherein the outdoor unit and the indoor unit of each of the air conditioners respectively detect an ambient temperature of the respective locations, and obtain an outdoor ambient temperature and an indoor ambient temperature;

The fire detecting device is configured to determine whether a fire event occurs in the working environment of the air conditioner according to the outdoor ambient temperature and the indoor ambient temperature;

a local alarm device disposed in the air conditioner and configured to perform a fire alarm after determining a fire event in a working environment of the air conditioner in which the air conditioner is located;

The remote alarm device is configured to transmit fire prompt information to the device connected to the air conditioner data according to the online state of the air conditioner.
The system of claim 9 wherein

The fire detecting device is further configured to: when the outdoor ambient temperature and the indoor ambient temperature satisfy a preset determination condition, determine that the fire event occurs, and the determining condition includes any one of the following: The outdoor ambient temperature is greater than or equal to the temperature of the area where the air conditioner is located is added to the set temperature difference; the outdoor ambient temperature is greater than or equal to a preset first fire occurrence temperature threshold; and the indoor ambient temperature is greater than or equal to a preset second fire occurrence temperature threshold; the indoor ambient temperature is greater than or equal to a preset indoor high temperature threshold and continues to increase;

The remote alarm device is further configured to send fire prompt information in any of the following manners:

Selecting, by the other air conditioners in the area where the air conditioner is located, where the fire event is detected, the equipment affected by the fire event, and transmitting the fire prompt information to the selected equipment;

When the air conditioner and the property management system establish a data transmission channel and the data transmission is normal, sending the fire prompt information to the property management system;

When the air conditioner and the fire alarm processing device establish a data transmission channel and the data transmission is normal, sending the fire prompt information to the fire alarm processing device;

When the air conditioner establishes a data transmission channel with the user terminal and the data transmission is normal, the fire prompt information is sent to the user terminal.