CN112383890A - Emergency communication determination method and device, storage medium and electronic equipment - Google Patents
Emergency communication determination method and device, storage medium and electronic equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method and a device for determining emergency communication, a storage medium and electronic equipment. Wherein, the method comprises the following steps: determining a first wireless communication network corresponding to each floor according to all smoke sensing equipment in each floor of a building, wherein the smoke sensing equipment is provided with a wireless communication module and is pre-installed in the building, and the number and the interval of the smoke sensing equipment in each floor meet the requirement of determining the signal intensity of the first wireless communication network; determining smoke sensing equipment at a target position in each floor as a relay node corresponding to each floor; the second wireless communication network between the floors is determined according to the relay nodes between the floors, the second wireless communication network is used for establishing communication connection with the outside, the purpose that the wireless communication network can be established quickly according to the wireless communication module of the smoke sensing equipment under the condition that the buildings break down is achieved, and the technical problem that in the prior art, when an indoor emergency accident occurs, the conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue is solved.
Description
Technical Field
The invention relates to the technical field of fire fighting detection, in particular to a method and a device for determining emergency communication, a storage medium and electronic equipment.
Background
The indoor emergency communication refers to an indoor communication network which is started and established in an emergency mode after a conventional communication device fails due to natural disasters or major accidents, and is mainly used for sending help seeking signals to trapped people and feeding back field information to fire rescue workers in real time. The emergency communication equipment has the characteristics of temporality, randomness, instantaneity and the like, so that the emergency communication equipment is required to be capable of quickly responding and establishing an emergency communication network, and the stability and reliability of data transmission are ensured.
Currently, the commonly used indoor emergency communication technologies mainly include wireless trunking communication and satellite telephone communication. The wireless trunking communication is a communication method used in a private network environment, can implement a one-to-many paging communication mode, can call in groups and adjust priority, but has limited communication distance and poor signal quality in the environment with more obstacles such as indoor environment and the like; the satellite communication is realized by depending on a satellite in the space and a satellite signal receiving converter on the ground for information transmission, the use of the satellite communication is not limited by regions, distances and the like, but the satellite telephone is difficult to be used for large-scale civil use or equipped for fire emergency rescue personnel.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a method and a device for determining emergency communication, a storage medium and electronic equipment, and at least solves the technical problem that in the prior art, when an indoor emergency accident occurs, conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue.
According to an aspect of an embodiment of the present invention, there is provided a method for determining emergency communication, including: determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of a building, wherein the smoke sensing devices are provided with wireless communication modules and are pre-installed in the building, and the number and the spacing of the smoke sensing devices in each floor meet the requirement of determining the signal intensity of the first wireless communication network; determining the smoke sensing equipment of the target position in each floor as a relay node corresponding to each floor; and determining an interlayer second wireless communication network according to the relay nodes between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside.
Optionally, the determining the smoke sensing device at the target position in each floor as the relay node corresponding to each floor includes: acquiring coordinate information of all the smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number of the smoke sensing equipment, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor; when the serial number of the floor where the smoke sensing equipment is located is an odd number N, determining the first smoke sensing equipment where (1+ N)/2 is located as the relay node; and when the serial number of the smoke sensing equipment in the floor is an even number M, determining the second smoke sensing equipment where M/2 is located as the relay node.
Optionally, the determining the smoke sensing device at the target position in each floor as the relay node corresponding to each floor includes: and determining a third smoke sensing device positioned at a corridor position in each floor as the relay node.
Optionally, the determining, according to all smoke sensing devices in each floor of the building, a first wireless communication network corresponding to each floor includes: and under the conditions that the building is in fire, the power supply of the building is cut off, and the smoke sensing equipment is detected to start the emergency power supply module, determining a first wireless communication network corresponding to each floor according to all the smoke sensing equipment in each floor of the building, wherein the smoke sensing equipment comprises the emergency power supply module.
Optionally, the determining, according to all smoke sensing devices in each floor of the building, a first wireless communication network corresponding to each floor includes: and setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
Optionally, after the inter-layer second wireless communication network is established according to the relay node between each floor, the method further includes: when the building is in a fire, acquiring rescue signals in the building through the smoke sensing equipment; and sending the rescue signal to a target terminal through the second wireless communication network.
Optionally, the method further includes: and sending alarm information under the condition that the smoke sensing equipment detects that the smoke concentration in the building is greater than a preset threshold value.
According to another aspect of the embodiments of the present invention, there is also provided an emergency communication determining apparatus, including: the first determining unit is used for determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of a building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the requirement of determining the signal intensity of the first wireless communication network; a second determination unit, configured to determine the smoke sensing device at the target position in each floor as a relay node corresponding to each floor; and a third determining unit, configured to determine an inter-layer second wireless communication network according to the relay node between each floor, where the second wireless communication network is used to establish a communication connection with the outside.
Optionally, the second determining unit includes: the acquisition module is used for acquiring coordinate information of all the smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number where the smoke sensing equipment is located, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor; a first determining module, configured to determine, as the relay node, a first smoke sensing device in which (1+ N)/2 is located when a serial number in a floor where the smoke sensing device is located is an odd number N; and the second determining module is used for determining the second smoke sensing equipment where M/2 is located as the relay node under the condition that the serial number of the smoke sensing equipment in the floor is an even number M.
Optionally, the second determining unit includes: and the third determining module is used for determining the third smoke sensing equipment positioned at the corridor position in each floor as the relay node.
Optionally, the first determining unit includes: and the fourth determination module is used for determining a first wireless communication network corresponding to each floor according to all smoke sensing equipment in each floor of the building under the conditions that the building is in a fire disaster, the power supply of the building is cut off and the smoke sensing equipment is detected to start the emergency power supply module, wherein the smoke sensing equipment comprises the emergency power supply module.
Optionally, the first determining unit includes: and the setting module is used for setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
Optionally, the apparatus further comprises: the acquisition unit is used for acquiring rescue signals in the building through the smoke sensing equipment when the building is in a fire after an interlayer second wireless communication network is established according to the relay nodes between each floor; and the sending unit is used for sending the rescue signal to a target terminal through the second wireless communication network.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to execute the above-mentioned emergency communication determination method when running.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including a memory and a processor, where the memory stores a computer program, and the processor is configured to execute the method for determining emergency communication.
In the embodiment of the invention, a first wireless communication network corresponding to each floor is determined according to all smoke sensing devices in each floor of a building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the requirement of determining the signal intensity of the first wireless communication network; determining smoke sensing equipment at a target position in each floor as a relay node corresponding to each floor; the method comprises the steps that a second wireless communication network between layers is determined according to relay nodes between every two floors, wherein the second wireless communication network is used for establishing communication connection with the outside, the purpose that the wireless communication network can be quickly established according to a wireless communication module of smoke sensing equipment under the condition that a building breaks down is achieved, and the technical problem that in the prior art, when an indoor emergency accident occurs, conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue is further solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic diagram of an application environment of an alternative emergency communication determination method according to an embodiment of the present invention;
FIG. 2 is a flow chart of an alternative method of determining emergency communications according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an alternative smoke detection apparatus according to an embodiment of the present invention;
fig. 4 is a schematic illustration of an alternative wireless communication network signaling according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an ad hoc network communication link in the prior art;
FIG. 6 is a schematic diagram of an alternative wireless communication link according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an alternative dual-channel mode for transceiving wireless signals, in accordance with an embodiment of the present invention;
FIG. 8 is a flow chart of an alternative indoor emergency communication method with a simulated circulation flow characteristic in accordance with an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an alternative emergency communication determination apparatus according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of an alternative electronic device according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an aspect of the embodiment of the present invention, there is provided a method for determining emergency communication, optionally, as an optional implementation manner, the method for determining emergency communication may be applied, but not limited, to the environment shown in fig. 1. The environment includes a smoke sensing device 101, a network 110, and a server 112.
The method has the implementation processes that: in the case that an accident occurs in a building and causes the breakdown of conventional communication equipment, the smoke sensing equipment 101 is started in an emergency, the wireless communication module is started, wireless communication signals of the smoke sensing equipment 101 are transmitted to the server 112 through the network 110, the server 112 determines a first wireless communication network corresponding to each floor according to all the smoke sensing equipment 101 in each floor of the building, the smoke sensing equipment 101 is installed in the building in advance, and the number and the distance of the smoke sensing equipment in each floor meet the requirement for determining the signal intensity of the first wireless communication network.
The server 112 determines the smoke sensing equipment at the target position in each floor as a relay node corresponding to each floor; and determining an interlayer second wireless communication network according to the relay nodes between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside. And further establishing emergency communication of the accident building. The purpose that a wireless communication network can be quickly established according to the wireless communication module of the smoke sensing equipment under the condition that a building breaks down is achieved, and the technical problem that in the prior art, when an emergency accident occurs indoors, conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue is solved.
Optionally, in this embodiment, the network may include but is not limited to: a wired network, a wireless network, wherein the wired network comprises: a local area network, a metropolitan area network, and a wide area network, the wireless network comprising: bluetooth, WIFI, and other networks that enable wireless communication. The server may be a single server, a server cluster composed of a plurality of servers, or a cloud server. The above is merely an example, and this is not limited in this embodiment.
Optionally, as an optional implementation manner, as shown in fig. 2, the determining of the emergency communication includes:
step S202, determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building, wherein the smoke sensing devices are provided with wireless communication modules and are pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the requirement for determining the signal intensity of the first wireless communication network.
Step S204, the smoke sensing equipment of the target position in each floor is determined as the relay node corresponding to each floor.
And step S206, determining an interlayer second wireless communication network according to the relay nodes between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside.
Optionally, in this embodiment, the solution may include, but is not limited to, the application in case of an accident such as an indoor fire, or a failure of indoor conventional communication equipment.
In this embodiment, the building may include, but is not limited to, a whole building, for example, in case that a 3 rd building in a certain residential area sends a fire, a conventional cable-type communication device is damaged, normal communication cannot be performed, a distress signal in the building cannot be transmitted to an external rescuer, and information of the external rescuer cannot inform trapped people in the building. The building may also include 3 floors, for example 3 to 13 floors, of a building.
The smoke sensing device includes, but is not limited to, a smoke sensing detection device carrying a wireless communication module capable of establishing a wireless communication network.
In this embodiment, the smoke detection device is installed in a target building in advance, and is connected to a power supply in a wired manner to supply power to the smoke detector. The smoke sensing installation position is installed on a passageway and a roof at the center of a room as much as possible, and the number and the distance of each layer need to meet the signal intensity requirement of ad hoc network communication. When accidents such as fire disasters occur, the power is cut off in the accident building, the conventional power supply input of the smoke sensing equipment is disconnected, the main board detects that the conventional power supply is disconnected, and the emergency working mode is switched. After the mainboard is switched to an emergency working mode, the smoke-sensitive emergency power supply is started to supply power to the mainboard, the wireless communication module and the like; the emergency power supply module can perform emergency power supply for about 1-2 hours. The wireless communication module includes, but is not limited to, a WiFi module.
In this embodiment, a schematic structural diagram of the smoke detection device is shown in fig. 3. As shown in fig. 3, the smoke detection device mainly comprises a housing 1, a flue 2, a start button 3, an ionic smoke sensor 4, a main board 5, a WiFi transmitting module 51, a WiFi receiving module 52 and an emergency power supply module 6.
The shell 1 is made of plastic materials, is molded through a die and is used for mounting electronic components; the flue 2 is arranged at the top of the smoke sensing shell and is used for guiding smoke particles to enter the ionic smoke sensor; the starting button 3 is arranged on one side of the bottom of the smoke sensing shell and used for starting and closing the smoke sensing equipment; the ion type smoke sensor 4 is arranged in the smoke sensing shell and used for detecting the concentration of smoke particles and judging whether to give an alarm or not according to the concentration value; the main board 5 is arranged in the smoke sensing shell and is used for controlling the smoke detector, the ultrasonic radar, the emergency power supply module and other peripherals; the WiFi transmitting module 51 is connected to the mainboard 5 and used for transmitting wireless signals; the WiFi receiving module 52 is connected to the main board 5 for receiving wireless signals; the emergency power supply module 6 is installed inside the smoke sensing shell and located below the main board 5 and used for supplying power to equipment in emergency starting when the power is cut off in a fire disaster.
It should also be noted that the smoke detection device has two functions, one is a conventional smoke detection alarm function, and the other is used for carrying a wifi module.
And sending alarm information when the smoke detection equipment detects that the smoke concentration in the building is greater than a preset threshold value.
Optionally, in this embodiment, determining the smoke sensing device at the target position in each floor as the relay node corresponding to each floor may include: acquiring coordinate information of all smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number of the smoke sensing equipment, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor; when the serial number of the smoke sensing equipment in the floor is an odd number N, determining the first smoke sensing equipment in which (1+ N)/2 is located as a relay node; and when the serial number of the smoke sensing equipment in the floor is an even number M, determining the second smoke sensing equipment where M/2 is located as the relay node.
In this embodiment, the smoke detection device is installed in the target building in advance, and is connected to the power supply in a wired manner to supply power to the smoke detector. The smoke sensing installation position is installed on a passageway and a roof at the center of a room as much as possible, and the number and the distance of each layer need to meet the signal intensity requirement of ad hoc network communication.
For example, 2 users and one stair are shared on 3 floors of a target building, the number of the stairs is 200 square meters, one smoke detection device can be installed on 3 floors every 10 square meters, 20 smoke detection devices can be installed on 3 floors, the smoke detection devices can be numbered for each smoke detection device and are composed of (x, y) horizontal and vertical coordinates, the vertical coordinate y represents the serial number of the floor where the smoke detection device is located, and the horizontal coordinate x represents the serial number sorted according to the number in each floor; since it is 3 layers, (2, 3) can be expressed, where 3 denotes 3 layers and 2 denotes 2 of the 3 rd layers. 20 in 3 layers can represent (1, 3), (2, 3), (3, 3) … … (20, 3).
In this embodiment, coordinate information of all smoke-sensitive devices in the floor is obtained, and the smoke-sensitive device corresponding to the middle position may be used as the relay node. Since the abscissa represents the number representation, the smoke sensing device corresponding to the intermediate value of the abscissa can be used as the relay node.
If the number is odd, for example, if there are 21 smoke sensing devices, the 11 th smoke sensing device is regarded as the relay node, and if the number is even, for example, if there are 20 smoke sensing devices, the 10 th smoke sensing device is regarded as the relay node. And then determining a second wireless communication network according to the relay nodes in each layer.
In the embodiment, a wireless communication network is established on each layer, wherein signals of each smoke sensing device are collected to the relay node, namely, a unidirectional annular wireless transmission network is established, so that bandwidth loss is reduced on the premise of realizing stable transmission of indoor emergency communication signals, possibility is provided for multi-hop video transmission under emergency conditions, and the rescue efficiency and success rate of high-level fire are improved.
Optionally, in this embodiment, determining the smoke sensing device at the target position in each floor as the relay node corresponding to each floor may include: and determining the third smoke sensing equipment positioned at the corridor position in each floor as a relay node.
Wherein, one smoke sensing device in the area of the corridor position can be determined as the relay node.
Optionally, determining the first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building may include: under the condition that a building is in fire, a building power supply is cut off, and smoke sensing equipment is detected to start an emergency power supply module, determining a first wireless communication network corresponding to each floor according to all the smoke sensing equipment in each floor of the building, wherein the smoke sensing equipment comprises the emergency power supply module.
Wherein, smoke sensing equipment in this embodiment includes emergency power source module, can be in urgent circumstances, for smoke sensing equipment provides the electric energy, ensures smoke sensing equipment's normal work.
Optionally, determining the first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building may include: and setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
Optionally, after the inter-layer second wireless communication network is established according to the relay node between each floor, the method may further include: collecting rescue signals in a building through smoke sensing equipment when the building is in a fire; and sending the rescue signal to the target terminal through a second wireless communication network.
According to the embodiment provided by the application, a first wireless communication network corresponding to each floor is determined according to all smoke sensing devices in each floor of a building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the signal intensity requirement for determining the first wireless communication network; determining smoke sensing equipment at a target position in each floor as a relay node corresponding to each floor; the method comprises the steps that a second wireless communication network between layers is determined according to relay nodes between every two floors, wherein the second wireless communication network is used for establishing communication connection with the outside, the purpose that the wireless communication network can be quickly established according to a wireless communication module of smoke sensing equipment under the condition that a building breaks down is achieved, and the technical problem that in the prior art, when an indoor emergency accident occurs, conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue is further solved.
By adopting the embodiment provided by the application, the first wireless communication network is established according to the smoke sensing equipment on each layer, the signals of all the smoke sensing equipment on each layer are collected to the relay node, and then the second wireless communication network between layers is established according to the relay node on each layer, namely the second wireless communication network is a one-way communication network. The frequencies of the smoke sensing devices may be different, but it is necessary to ensure that the receiving frequency of the smoke sensing device is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node. As shown in fig. 4, a signal transmission diagram of a wireless communication network is shown. Fig. 4 includes smoke detection devices, walls in floors, relay nodes, and people, wherein signal transmission is unidirectional.
Compared with the traditional centerless ad hoc network, the networking basis is the signal strength among all devices, so that part of nodes are easily accessed by multi-channel signals, and the transmission rate of the nodes is obviously reduced; meanwhile, as the transceiving between two devices in each hop is the same-frequency transmission, the limitation that the wireless transmission rate is halved is caused, as shown in fig. 5, a schematic diagram of an ad hoc network communication link; in the wireless ad hoc network in this embodiment, all nodes are grouped into n rows according to the distribution characteristics of the nodes, and n/2 unidirectional cyclic wireless signal transmission links are established, as shown in fig. 6, which is a schematic diagram of a communication link; meanwhile, the receiving and sending frequencies of the WiFi module are automatically set to be different, and the receiving frequency is guaranteed to be the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node, as shown in fig. 7, a schematic diagram of receiving and sending wireless signals in a dual-channel mode is shown.
By the embodiments provided in the present application, there are the following benefits:
1) the indoor emergency communication method imitating the circulation characteristic can quickly establish a one-way pilot frequency emergency communication network when an emergency accident occurs by imitating the circulation characteristic, and provides an emergency communication network for trapped people or fire rescue personnel at the accident floor.
2) When a plurality of rescue signals are accessed into the emergency communication network, the actual transmission rate loss of the wireless signals during transmission among wireless devices can be reduced by means of the unidirectional circulation transmission characteristic of the wireless networking.
3) The constructed emergency communication network can automatically adjust the optimal transmission direction according to the position of the access point at the network node, reduce networking path judgment and reduce signal transmission distance and signal transmission attenuation.
As an alternative embodiment, the present application further provides an alternative indoor emergency communication method with a circulation-like characteristic. As shown in fig. 8, a flow chart of an indoor emergency communication method imitating circulation characteristics is shown.
Step S801, powering off the building after an emergency;
when accidents such as fire disasters occur, the power is cut off in the accident building, the conventional power supply input of the smoke sensing equipment is disconnected, the main board detects that the conventional power supply is disconnected, and the emergency working mode is switched.
Step S802, starting an emergency power supply of the smoke detection equipment;
after the mainboard is switched to an emergency working mode, the smoke-sensitive emergency power supply is started to supply power to the mainboard, the WiFi module and the like; the emergency power supply module can perform emergency power supply for about 1-2 hours.
Step S803, the wifi communication module is started;
step S804, acquiring the position and the serial number of a preset node;
step S805 of determining whether or not the floor number is an odd number, and if so, executing step S806, and if not, executing step S807;
step S806, a network communication system is established;
step S807, a second network communication system is established;
wherein, the first communication system can adopt a fixed receiving and sending frequency, and the second communication system can adopt another fixed receiving and sending frequency.
Step S808, collecting rescue signals of an accident scene;
step S809, local area network communication is established among layers;
after all WiFi modules in each floor finish the ad hoc network communication, wireless signals are collected to relay nodes arranged in the positions of corridors and the like, and then the relay nodes among all floors establish an interlayer wireless communication link.
Step S810, building and external communication connection is established;
after the communication network between each floor in the building is established, the indoor relay command console can be connected with the inner floor relay of the corridor at the bottommost floor position under the general condition, and the outward transmission process of indoor wireless signals is realized.
In step S811, intra-group information processing is performed.
The information is transmitted through the three-dimensional local area network in a communication mode, and an indoor emergency communication network established under an emergency condition can transmit an indoor rescue signal to the on-site command car under the condition that a public network signal cannot be covered or damaged.
It should be noted that, under the condition of inputting two signal sources, firstly, based on the centerless ad hoc network method, a shortest transmission path is constructed, and the actual signal transmission rate of the traditional ad hoc network is calculated:
P1＝P0(α1…α5)β5γ1+P0(α19…α24)β6γ2
wherein P is0Represents the maximum initial bandwidth of the WiFi module, namely 54 MHz; alpha represents a bandwidth loss coefficient caused by the increase of the distance and the increase of the error rate among all nodes; beta represents a bandwidth loss coefficient caused by signal occupation, and the value range is 0.3-0.6; gamma represents a bandwidth loss coefficient caused by the occupation of the access point, and the value range is 0.3-0.6; where α is a function related to the transmission distance:
secondly, based on the networking method provided by the application, the actual signal transmission rate of the ad hoc network is calculated as follows:
P2＝P0(α12…α18)γ1+P0(α6…α11)γ2
will P0Alpha, beta, gamma, into P1、P2Specific values can be found: p1＝1.01366MHz、P238.69750 MHz. It can be seen that in this example, the transmission rate of the ad hoc network is 38 times faster, with significant gain.
Compared with the prior art, aiming at the problem that the conventional communication equipment fails to provide communication guarantee for indoor rescue during an indoor emergency accident, in the embodiment, a WiFi transceiving module and an emergency power supply module are added based on a plurality of smoke sensing alarm equipment installed in a high-rise building, and a WiFi radio frequency technology, a wireless ad hoc network technology and an emergency power supply technology are applied, so that an indoor emergency communication network is quickly established under the condition of emergency accident power failure, and the communication contact between trapped people or fire rescue personnel and the outside is conveniently established; meanwhile, in order to overcome the defect that the bandwidth is halved after each hop of wireless transmission in the ad hoc network technology, a unidirectional annular wireless transmission network is established by imitating the characteristics of one direction and interval staggering of circulation, the bandwidth loss is reduced on the premise of realizing stable transmission of indoor emergency communication signals, the possibility is provided for multi-hop video transmission under the emergency condition, and the rescue efficiency and the success rate of high-rise fire are improved.
According to the embodiment provided by the application, the wireless ad hoc network divides all nodes into n rows according to the distribution characteristics of the nodes, and establishes n/2 unidirectional circulating wireless signal transmission links; meanwhile, the receiving and sending frequencies of the WiFi module are automatically set to be different, the receiving frequency is ensured to be the same as the transmitting frequency of the previous node, and the transmitting frequency is ensured to be the same as the receiving frequency of the next node;
by imitating the circulation characteristic, the one-way pilot frequency emergency communication network can be quickly established when an emergency accident occurs, and the emergency communication network is provided for trapped people or fire rescue personnel at the accident floor.
When a plurality of rescue signals are accessed to the established emergency communication network, the actual transmission rate loss of the wireless signals during transmission among wireless devices can be reduced by means of the unidirectional circulation transmission characteristic of the wireless networking.
The constructed emergency communication network can automatically adjust the optimal transmission direction according to the position of the access point at the network node, reduce the judgment of networking paths and reduce the signal transmission distance and the signal transmission attenuation.
In short, in the present embodiment, it is implemented based on a plurality of indoor smoke detectors. A plurality of indoor smoke detector preinstallation will establish indoor emergent communication network when emergent start-up in the building, with indoor wireless signal transmission to on-the-spot emergency command car.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
According to another aspect of the embodiment of the present invention, there is also provided an emergency communication determination apparatus for implementing the emergency communication determination method described above. As shown in fig. 9, the emergency communication determination device includes: first determination unit 91 second determination unit 93 and third determination unit 95.
The first determining unit 91 is configured to determine the first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building, where the smoke sensing devices have wireless communication modules, the smoke sensing devices are pre-installed in the building, and the number and the spacing of the smoke sensing devices on each floor meet the signal strength requirement for determining the first wireless communication network.
And a second determining unit 93 for determining the smoke sensing device at the target position in each floor as a relay node corresponding to each floor.
A third determining unit 95, configured to determine an inter-floor second wireless communication network according to the relay node between each floor, where the second wireless communication network is used to establish a communication connection with the outside.
Optionally, the second determining unit 93 may include: the acquisition module is used for acquiring coordinate information of all smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number where the smoke sensing equipment is located, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor; the first determining module is used for determining the first smoke sensing equipment in which the (1+ N)/2 is positioned as a relay node under the condition that the serial number of the smoke sensing equipment in the floor is an odd number N; and the second determining module is used for determining the second smoke sensing equipment where the M/2 is positioned as the relay node under the condition that the serial number in the floor where the smoke sensing equipment is positioned is an even number M.
The second determining unit 93 may further include: and the third determining module is used for determining the third smoke sensing equipment positioned at the corridor position in each floor as the relay node.
The first determining unit 91 may include: and the fourth determining module is used for determining the first wireless communication network corresponding to each floor according to all smoke sensing equipment in each floor of the building under the conditions that the building is in a fire disaster, the power supply of the building is cut off and the smoke sensing equipment is detected to start the emergency power supply module, wherein the smoke sensing equipment comprises the emergency power supply module.
The first determining unit 91 may include: and the setting module is used for setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
Optionally, the apparatus may further include: the acquisition unit is used for acquiring rescue signals in the building through smoke sensing equipment when the building is in a fire after an interlayer second wireless communication network is established according to the relay nodes between each floor;
and the sending unit is used for sending the rescue signal to the target terminal through the second wireless communication network.
Optionally, the apparatus may further include: and the alarm unit is used for sending alarm information under the condition that the smoke sensing equipment detects that the smoke concentration in the building is greater than a preset threshold value.
According to the embodiment provided by the application, the first determining unit 91 determines the first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building, wherein the smoke sensing devices are provided with wireless communication modules and are pre-installed in the building, and the number and the spacing of the smoke sensing devices in each floor meet the signal strength requirement for determining the first wireless communication network; the second determination unit 93 determines the smoke sensing equipment at the target position in each floor as a relay node corresponding to each floor; the third determination unit 95 determines an inter-floor second wireless communication network for establishing a communication connection with the outside, based on the relay node between each floor. The purpose that a wireless communication network can be quickly established according to the wireless communication module of the smoke sensing equipment under the condition that a building breaks down is achieved, and the technical problem that in the prior art, when an emergency accident occurs indoors, conventional communication equipment fails and communication guarantee is difficult to provide for indoor rescue is solved.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device for implementing the determination method of emergency communication, where the electronic device may be a terminal device or a server shown in fig. 1. The present embodiment takes the electronic device as a server as an example for explanation. As shown in fig. 10, the electronic device comprises a memory 1002 and a processor 1004, the memory 1002 having stored therein a computer program, the processor 1004 being arranged to execute the steps of any of the method embodiments described above by means of the computer program.
Optionally, in this embodiment, the electronic device may be located in at least one network device of a plurality of network devices of a computer network.
Optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s1, determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the signal intensity requirement for determining the first wireless communication network;
s2, determining the smoke sensing equipment at the target position in each floor as a relay node corresponding to each floor;
and S3, determining an interlayer second wireless communication network according to the relay node between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside.
Alternatively, it can be understood by those skilled in the art that the structure shown in fig. 10 is only an illustration, and the electronic device may also be a terminal device such as a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palmtop computer, a Mobile Internet Device (MID), a PAD, and the like. Fig. 10 is a diagram illustrating a structure of the electronic device. For example, the electronics may also include more or fewer components (e.g., network interfaces, etc.) than shown in FIG. 10, or have a different configuration than shown in FIG. 10.
The memory 1002 may be configured to store software programs and modules, such as program instructions/modules corresponding to the emergency communication determination method and apparatus in the embodiment of the present invention, and the processor 1004 executes various functional applications and data processing by running the software programs and modules stored in the memory 1002, so as to implement the emergency communication determination method described above. The memory 1002 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 1002 may further include memory located remotely from the processor 1004, which may be connected to the terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. The memory 1002 may be, but not limited to, information used for a wireless communication module of the smoke sensing device, location information of the smoke sensing device, and the like. As an example, as shown in fig. 10, the memory 1002 may include, but is not limited to, the first determining unit 91, the second determining unit 93, and the third determining unit 95 of the emergency communication determining device. In addition, other module units in the above emergency communication determining device may also be included, but are not limited to this, and are not described in detail in this example.
Optionally, the above-mentioned transmission device 1006 is used for receiving or sending data via a network. Examples of the network may include a wired network and a wireless network. In one example, the transmission device 1006 includes a Network adapter (NIC) that can be connected to a router via a Network cable and other Network devices so as to communicate with the internet or a local area Network. In one example, the transmission device 1006 is a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
In other embodiments, the terminal device or the server may be a node in a distributed system, where the distributed system may be a blockchain system, and the blockchain system may be a distributed system formed by connecting a plurality of nodes through a network communication. Nodes can form a Peer-To-Peer (P2P, Peer To Peer) network, and any type of computing device, such as a server, a terminal, and other electronic devices, can become a node in the blockchain system by joining the Peer-To-Peer network.
According to an aspect of the application, a computer program product or computer program is provided, comprising computer instructions, the computer instructions being stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to execute the above-described method for determining emergency communication. Wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
Alternatively, in the present embodiment, the above-mentioned computer-readable storage medium may be configured to store a computer program for executing the steps of:
s1, determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of the building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the signal intensity requirement for determining the first wireless communication network;
s2, determining the smoke sensing equipment at the target position in each floor as a relay node corresponding to each floor;
and S3, determining an interlayer second wireless communication network according to the relay node between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside.
Alternatively, in this embodiment, a person skilled in the art may understand that all or part of the steps in the methods of the foregoing embodiments may be implemented by a program instructing hardware associated with the terminal device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The integrated unit in the above embodiments, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in the above computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing one or more computer devices (which may be personal computers, servers, network devices, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed client may be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (15)
1. A method for determining emergency communications, comprising:
determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of a building, wherein the smoke sensing devices are provided with wireless communication modules and are pre-installed in the building, and the number and the spacing of the smoke sensing devices in each floor meet the requirement of determining the signal intensity of the first wireless communication network;
determining the smoke sensing equipment of the target position in each floor as a relay node corresponding to each floor;
and determining an interlayer second wireless communication network according to the relay nodes between each floor, wherein the second wireless communication network is used for establishing communication connection with the outside.
2. The method of claim 1, wherein said determining a first wireless communication network for each floor of a building from all smoke-sensitive devices within said each floor comprises:
acquiring coordinate information of all the smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number of the smoke sensing equipment, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor;
when the serial number of the floor where the smoke sensing equipment is located is an odd number N, determining the first smoke sensing equipment where (1+ N)/2 is located as the relay node;
and when the serial number of the smoke sensing equipment in the floor is an even number M, determining the second smoke sensing equipment where M/2 is located as the relay node.
3. The method of claim 1, wherein said determining said smoke sensitive device of said target location within each floor as corresponding to said relay node of each floor comprises:
and determining a third smoke sensing device positioned at a corridor position in each floor as the relay node.
4. The method of claim 1, wherein said determining a first wireless communication network for each floor of a building from all smoke-sensitive devices within said each floor comprises:
and under the conditions that the building is in fire, the power supply of the building is cut off, and the smoke sensing equipment is detected to start the emergency power supply module, determining a first wireless communication network corresponding to each floor according to all the smoke sensing equipment in each floor of the building, wherein the smoke sensing equipment comprises the emergency power supply module.
5. The method of claim 1, wherein said determining a first wireless communication network for each floor of a building from all smoke-sensitive devices within said each floor comprises:
and setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
6. The method of claim 1, wherein after the inter-floor second wireless communication network is established according to the relay node between each floor, the method further comprises:
when the building is in a fire, acquiring rescue signals in the building through the smoke sensing equipment;
and sending the rescue signal to a target terminal through the second wireless communication network.
7. The method according to any one of claims 1 to 6, further comprising:
and sending alarm information under the condition that the smoke sensing equipment detects that the smoke concentration in the building is greater than a preset threshold value.
8. An apparatus for determining emergency communication, comprising:
the first determining unit is used for determining a first wireless communication network corresponding to each floor according to all smoke sensing devices in each floor of a building, wherein each smoke sensing device is provided with a wireless communication module and is pre-installed in the building, and the number and the distance of the smoke sensing devices in each floor meet the requirement of determining the signal intensity of the first wireless communication network;
a second determination unit, configured to determine the smoke sensing device at the target position in each floor as a relay node corresponding to each floor;
and a third determining unit, configured to determine an inter-layer second wireless communication network according to the relay node between each floor, where the second wireless communication network is used to establish a communication connection with the outside.
9. The apparatus of claim 8, wherein the second determining unit comprises:
the acquisition module is used for acquiring coordinate information of all the smoke sensing equipment in each floor, wherein the ordinate in the coordinate information represents the floor number where the smoke sensing equipment is located, and the abscissa in the coordinate information represents the sequencing serial number of the smoke sensing equipment in the floor;
a first determining module, configured to determine, as the relay node, a first smoke sensing device in which (1+ N)/2 is located when a serial number in a floor where the smoke sensing device is located is an odd number N;
and the second determining module is used for determining the second smoke sensing equipment where M/2 is located as the relay node under the condition that the serial number of the smoke sensing equipment in the floor is an even number M.
10. The apparatus of claim 8, wherein the second determining unit comprises:
and the third determining module is used for determining the third smoke sensing equipment positioned at the corridor position in each floor as the relay node.
11. The apparatus of claim 8, wherein the first determining unit comprises:
and the fourth determination module is used for determining a first wireless communication network corresponding to each floor according to all smoke sensing equipment in each floor of the building under the conditions that the building is in a fire disaster, the power supply of the building is cut off and the smoke sensing equipment is detected to start the emergency power supply module, wherein the smoke sensing equipment comprises the emergency power supply module.
12. The apparatus of claim 8, wherein the first determining unit comprises:
and the setting module is used for setting the receiving frequency and the transmitting frequency of the wireless communication modules of all the smoke sensing devices in each floor, wherein the receiving frequency is the same as the transmitting frequency of the previous node, and the transmitting frequency is the same as the receiving frequency of the next node.
13. The apparatus of claim 8, further comprising:
the acquisition unit is used for acquiring rescue signals in the building through the smoke sensing equipment when the building is in a fire after an interlayer second wireless communication network is established according to the relay nodes between each floor;
and the sending unit is used for sending the rescue signal to a target terminal through the second wireless communication network.
14. A computer-readable storage medium, comprising a stored program, wherein the program when executed performs the method of any one of claims 1 to 7.
15. An electronic device comprising a memory and a processor, characterized in that the memory has stored therein a computer program, the processor being arranged to execute the method of any of claims 1 to 7 by means of the computer program.
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