CN114743339A - Power distribution branch box fire-fighting early warning system, method and device based on Beidou positioning - Google Patents
Power distribution branch box fire-fighting early warning system, method and device based on Beidou positioning Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention relates to the technical field of power monitoring, and discloses a power distribution branch box fire-fighting early warning system, method and device based on Beidou positioning. The system comprises a flame detection module, a smoke concentration detection sensor module, a temperature detection sensor module, a signal conversion circuit and a wireless transmission control module; flame, smog concentration and temperature situation in the distribution branch box are detected through each detection module to output switching value signal, convert level signal and send to wireless transmission control module by signal conversion circuit, and then carry out conflagration risk grade aassessment when triggering the conflagration early warning by wireless transmission control module, and combine locating information to generate corresponding conflagration early warning information. According to the invention, the distribution branch box is monitored by the three detection modules with different functions, fire risk analysis and grade evaluation are carried out based on the level signals, and early warning information is generated by combining positioning information when fire early warning is triggered, so that rapid positioning early warning of fire detection of the distribution branch box can be realized.
Description
Technical Field
The invention relates to the technical field of power monitoring, in particular to a power distribution branch box fire-fighting early warning system, method and device based on Beidou positioning.
Background
The distribution branch box is used as a main facility for cable tapping or switching, the cable line inside the distribution branch box is complex, and fire accidents are easily caused by heating, short circuit and the like in the using process. At present, the control of the environment in the distribution branch box needs to be ensured by depending on the regular inspection of operators, the distribution branch box with fire risks cannot be timely and accurately positioned, and the corresponding fire risk level is difficult to quickly and effectively evaluate.
Disclosure of Invention
The invention provides a power distribution branch box fire-fighting early warning system, a method and a device based on Beidou positioning, and solves the technical problems of how to effectively realize quick positioning and risk level evaluation of power distribution branch box fire detection.
The invention provides a power distribution branch box fire-fighting early warning system based on Beidou positioning, which comprises a flame detection module, a smoke concentration detection sensor module, a temperature detection sensor module, a signal conversion circuit and a wireless transmission control module, wherein the flame detection module is used for detecting the flame concentration of a power distribution branch box;
the wireless transmission control module comprises a Beidou positioning unit, a signal processing unit and a wireless communication unit which are sequentially connected; the flame detection module, the smoke concentration detection sensor module and the temperature detection sensor module are respectively connected with the signal processing unit through signal conversion circuits;
the flame detection module, the smoke concentration detection sensor module and the temperature detection sensor module are respectively used for detecting the environment in the power distribution branch box and outputting corresponding switching value signals according to the collected signals;
the signal conversion circuit is used for converting the received switching value signal into a corresponding level signal;
the signal processing unit is used for judging whether fire early warning is triggered or not according to the received level signal, carrying out fire risk grade evaluation according to the type of the detection module corresponding to the high level signal when the fire early warning is triggered, and generating corresponding fire early warning information according to the evaluated fire risk grade and the positioning information of the Beidou positioning unit;
the wireless communication unit is used for sending out the fire early warning information.
According to one realizable manner of the first aspect of the present invention, the flame detection module comprises a flame detection sensor and a first intelligent alarm circuit, the smoke concentration detection sensor module comprises a smoke concentration sensor and a second intelligent alarm circuit, and the temperature detection sensor module comprises a temperature sensor and a third intelligent alarm circuit;
the first intelligent alarm circuit is used for outputting a normally-closed switching value signal when receiving a flame signal of the flame detection sensor;
the second intelligent alarm circuit is used for outputting a normally-closed switching value signal when the smoke concentration detected by the smoke concentration sensor exceeds a smoke concentration threshold value;
the third intelligent alarm circuit is used for outputting a normally-closed switching value signal when the temperature detected by the temperature sensor exceeds a temperature threshold value;
the signal conversion circuit is specifically used for converting the received normally closed switching value signal into a high level signal;
the signal processing unit is specifically used for triggering fire early warning when receiving a high-level signal.
According to an implementable manner of the first aspect of the present invention, the signal processing unit is specifically configured to:
when only a high level signal corresponding to the temperature detection sensor module is received, determining the fire risk level as a low risk level;
determining a fire risk level as an intermediate risk level when only a high level signal corresponding to the smoke concentration detection sensor module is received, or when only a high level signal corresponding to the temperature detection sensor module and a high level signal corresponding to the smoke concentration detection sensor module are received;
and when the received high-level signal comprises a high-level signal corresponding to the flame detection module, determining the fire risk level as a high risk level.
According to one enabling aspect of the first aspect of the invention, the flame detection sensor is provided with an ultraviolet light sensing circuit for monitoring ultraviolet light radiation of a predetermined wavelength band.
According to one implementation manner of the first aspect of the present invention, the wireless communication unit is communicatively connected to the configured user equipment by using an NB _ IOT (narrow-band internet of things) wireless communication network.
According to one implementable manner of the first aspect of the present invention, the system further comprises a power management module;
the power management module is used for supplying power to the flame detection module, the smoke concentration detection sensor module, the temperature detection sensor module, the signal conversion circuit and the wireless transmission control module.
The invention provides a power distribution branch box fire-fighting early-warning method based on Beidou positioning, which is based on the power distribution branch box fire-fighting early-warning system based on Beidou positioning in any one of the realizable modes, and comprises the following steps:
when receiving the high level signal sent by the signal conversion circuit, the wireless transmission control module carries out fire risk grade evaluation according to the received high level signal;
the wireless transmission control module acquires current positioning information, generates corresponding fire early warning information according to the evaluated fire risk level and the positioning information, and sends the fire early warning information to a set user terminal.
According to a manner of implementation of the second aspect of the present invention, the wireless transmission control module performs fire risk level assessment according to the received high-level signal, including:
when only a high level signal corresponding to the temperature detection sensor module is received, the wireless transmission control module determines that the fire risk level is a low risk level;
when only a high level signal corresponding to the smoke concentration detection sensor module is received, or when only a high level signal corresponding to the temperature detection sensor module and a high level signal corresponding to the smoke concentration detection sensor module are received, the wireless transmission control module determines that the fire risk level is an intermediate risk level;
and when the received high-level signal comprises a high-level signal corresponding to the flame detection module, the wireless transmission control module determines that the fire risk level is a high risk level.
The third aspect of the invention provides a distribution branch box fire-fighting early warning device based on Beidou positioning, which comprises:
a memory to store instructions; the instruction is used for realizing the power distribution branch box fire-fighting early warning method based on Beidou positioning in any one of the realizable modes;
a processor to execute the instructions in the memory.
In a fourth aspect of the present invention, a computer-readable storage medium is stored with a computer program, and when the computer program is executed by a processor, the fire-fighting early-warning method for a distribution branch box based on Beidou positioning is implemented as described in any one of the above-mentioned implementable manners.
According to the technical scheme, the invention has the following advantages:
the system comprises a flame detection module, a smoke concentration detection sensor module, a temperature detection sensor module, a signal conversion circuit and a wireless transmission control module, wherein the wireless transmission control module comprises a Beidou positioning unit, a signal processing unit and a wireless communication unit which are sequentially connected; the fire early warning system comprises a flame detection module, a smoke concentration detection sensor module and a temperature detection sensor module, wherein the flame detection module, the smoke concentration detection sensor module and the temperature detection sensor module respectively detect flame in a power distribution branch box, the environmental conditions of smoke concentration and temperature, and output switching value signals, the signals are converted into level signals by a signal conversion circuit and are sent to a wireless transmission control module, and then the wireless transmission control module judges whether to trigger fire early warning or not, when the fire early warning is triggered, fire risk grade assessment is carried out according to the type of the detection module corresponding to the high level signals, corresponding fire early warning information is generated according to the assessed fire risk grade and the positioning information of a Beidou positioning unit, and the fire early warning information is sent to a preset user terminal; according to the invention, the three detection modules with different functions are used for carrying out environment monitoring on the distribution branch box, fire risk analysis and grade evaluation are carried out on the basis of level signals corresponding to the detection modules, and early warning information is generated by combining positioning information when fire early warning is triggered, so that rapid positioning early warning of fire detection of the distribution branch box can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic block diagram of a power distribution branch box fire-fighting early-warning system based on Beidou positioning according to an alternative embodiment of the present invention;
fig. 2 is a flowchart of a power distribution branch box fire-fighting early-warning method based on Beidou positioning according to an optional embodiment of the present invention;
reference numerals:
1-a flame detection module; 2-a smoke concentration detection sensor module; 3-a temperature detection sensor module; 4-a signal conversion circuit; 5-a wireless transmission control module; 6-power management module; 11-a flame detection sensor; 12-a first intelligent alarm circuit; 21-a smoke concentration sensor; 22-a second intelligent alarm circuit; 31-a temperature sensor; 32-a third intelligent alarm circuit; 51-a Beidou positioning unit; 52-a signal processing unit; 53-wireless communication unit.
Detailed Description
The embodiment of the invention provides a power distribution branch box fire-fighting early warning system, method and device based on Beidou positioning, and aims to solve the technical problems of how to effectively realize quick positioning and risk level evaluation of power distribution branch box fire detection.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The invention provides a power distribution branch box fire-fighting early warning system based on Beidou positioning.
Referring to fig. 1, fig. 1 shows a schematic block diagram of a power distribution branch box fire warning system based on Beidou positioning according to an embodiment of the present invention.
The power distribution branch box fire-fighting early warning system based on Beidou positioning comprises a flame detection module 1, a smoke concentration detection sensor module 2, a temperature detection sensor module 3, a signal conversion circuit 4 and a wireless transmission control module 5; the wireless transmission control module 5 comprises a Beidou positioning unit 51, a signal processing unit 52 and a wireless communication unit 53 which are connected in sequence; the flame detection module 1, the smoke concentration detection sensor module 2 and the temperature detection sensor module 3 are respectively connected with the signal processing unit 52 through a signal conversion circuit 4.
Further, the system also comprises a power management module 6;
the power management module 6 is used for supplying power to the flame detection module 1, the smoke concentration detection sensor module 2, the temperature detection sensor module 3, the signal conversion circuit 4 and the wireless transmission control module 5.
The flame detection module 1, the smoke concentration detection sensor module 2 and the temperature detection sensor module 3 are respectively used for detecting the environment in the power distribution branch box and outputting corresponding switching value signals according to the acquired signals.
The signal conversion circuit 4 is used for converting the received switching value signal into a corresponding level signal;
the signal processing unit 52 is configured to determine whether to trigger a fire early warning according to the received level signal, perform fire risk level evaluation according to the type of the detection module corresponding to the high level signal when triggering the fire early warning, and generate corresponding fire early warning information according to the evaluated fire risk level and the positioning information of the beidou positioning unit 51;
the wireless communication unit 53 is configured to send out the fire warning information.
According to the embodiment of the invention, the flame detection module 1, the smoke concentration detection sensor module 2 and the temperature detection sensor module 3 are used for respectively detecting the environmental conditions of flame, smoke concentration and temperature in a power distribution branch box, outputting switching value signals, converting the switching value signals into level signals by the signal conversion circuit 4 and sending the level signals to the wireless transmission control module 5, further judging whether fire early warning is triggered or not by the wireless transmission control module 5, when the fire early warning is triggered, carrying out fire risk grade evaluation according to the type of the detection module corresponding to the high level signals, generating corresponding fire early warning information according to the evaluated fire risk grade and the positioning information of the Beidou positioning unit 51, and sending the fire early warning information to a preset user terminal; according to the invention, the three detection modules with different functions are used for carrying out environment monitoring on the distribution branch box, fire risk analysis and grade evaluation are carried out on the basis of level signals corresponding to the detection modules, and early warning information is generated by combining positioning information when fire early warning is triggered, so that rapid positioning early warning of fire detection of the distribution branch box can be realized.
In a realizable manner, the flame detection module 1 comprises a flame detection sensor 11 and a first intelligent alarm circuit 12, the smoke concentration detection sensor module 2 comprises a smoke concentration sensor 21 and a second intelligent alarm circuit 22, and the temperature detection sensor module 3 comprises a temperature sensor 31 and a third intelligent alarm circuit 32.
Specifically, the flame detection sensor 11 is used for detecting a flame signal in the distribution branch box; the smoke concentration sensor 21 is used for detecting the smoke concentration in the power distribution branch box; the temperature sensor 31 is used for detecting the temperature in the distribution branch box.
The first intelligent alarm circuit 12 is used for outputting a normally closed switching value signal when receiving a flame signal of the flame detection sensor 11; the second intelligent alarm circuit 22 is used for outputting a normally-closed switching value signal when the smoke concentration detected by the smoke concentration sensor 21 exceeds a smoke concentration threshold value; the third intelligent alarm circuit 32 is used for outputting a normally-closed switching value signal when the temperature detected by the temperature sensor 31 exceeds a temperature threshold value; the signal conversion circuit 4 is specifically configured to convert the received normally-closed switching value signal into a high level signal; the signal processing unit 52 is specifically configured to trigger a fire alarm when a high level signal is received.
According to the embodiment of the invention, the specific frame structures of the flame detection module 1, the smoke concentration detection sensor module 2 and the temperature detection sensor module 3 are arranged, so that the structure is simple, convenient and fast, and the implementation is easy.
As a specific embodiment, the fire detection module detects the fire by using the ultraviolet light emitted from the flame, wherein the flame detection sensor 11 is provided with an ultraviolet light sensing circuit for monitoring the ultraviolet light radiation of a preset wavelength band. When ultraviolet radiation of a preset wave band is monitored, the first intelligent alarm circuit 12 outputs a normally closed switching value signal. In the next acquisition time, if the flame detection sensor 11 does not monitor the ultraviolet radiation of the preset waveband, the first intelligent alarm circuit 12 outputs a normally open switching value signal.
As another specific embodiment, in order to accurately detect the flame, the flame detection sensor 11 may be further provided with an infrared light sensing circuit to monitor infrared light radiation of a predetermined wavelength band. The infrared light sensing circuit and the ultraviolet light sensing circuit can be set to judge that the flame is detected when sensing signals simultaneously.
As a specific implementation, the smoke concentration detection sensor module 2 may use a photoelectric smoke monitoring principle to monitor the smoke concentration. An optical labyrinth may be provided in the smoke concentration sensor 21, and an infrared receiving tube and an infrared transmitting tube are installed. When no smoke exists, the infrared receiving tube cannot receive the infrared light emitted by the infrared transmitting tube; when smoke exists, when the smoke enters the optical labyrinth, the infrared receiving tube receives infrared light through refraction and reflection, and at the moment, ambient light compensation can be carried out on a voltage signal of the infrared receiving tube, so that the smoke concentration corresponding to the current smoke is obtained. The second intelligent alarm circuit 22 outputs a normally closed switching value signal when the smoke concentration detected by the smoke concentration sensor 21 exceeds a smoke concentration threshold value. And when the detected smoke concentration does not exceed the smoke concentration threshold, the second intelligent alarm circuit 22 outputs a normally open switch quantity signal.
According to the embodiment of the invention, the labyrinth-shaped smoke channel forms the ambient light darkroom, so that the influence of ambient light can be reduced, and the monitoring precision of the smoke concentration detection sensor module 2 is improved.
The third intelligent alarm circuit 32 outputs a normally open switching value signal when the temperature detected by the temperature sensor 31 does not exceed the temperature threshold. Normally open switching value signals output by the first intelligent alarm circuit 12, the second intelligent alarm circuit 22 and the third intelligent alarm circuit 32 are converted into low level signals by the corresponding signal conversion circuits 4; the normally closed switching signals output by the first intelligent alarm circuit 12, the second intelligent alarm circuit 22 and the third intelligent alarm circuit 32 are converted into high level signals by the corresponding signal conversion circuits 4. The level signals output from the three signal conversion circuits 4 are sent to the signal processing unit 52, and the signal processing unit 52 determines the source of the fire risk and the degree of the fire risk according to the level signals.
According to the embodiment of the invention, the acquired information is analyzed at the acquisition end, the switching value signal is output and converted into the level signal to analyze the fire risk, so that the pressure of the rear end on the fire risk analysis is favorably reduced, the signal response efficiency is improved, and the efficiency of performing fire detection and early warning on the distribution branch box is integrally improved.
In an implementation manner, the signal processing unit 52 is specifically configured to:
when only a high level signal corresponding to the temperature detection sensor module 3 is received, determining that the fire risk level is a low risk level;
when only the high level signal corresponding to the smoke concentration detection sensor module 2 is received, or when only the high level signal corresponding to the temperature detection sensor module 3 and the high level signal corresponding to the smoke concentration detection sensor module 2 are received, determining the fire risk level as an intermediate risk level;
and when the received high-level signal comprises a high-level signal corresponding to the flame detection module 1, determining the fire risk level as a high risk level.
In the embodiment of the invention, if only the high level signal corresponding to the temperature detection sensor module 3 is received, the temperature in the distribution branch box is proved to have obvious change, but no smoke trigger or flame trigger exists, and the current fire risk level is judged to be a low risk level;
if only a high level signal corresponding to the smoke concentration detection sensor module 2 is received, it is proved that the smoke concentration exceeding the smoke concentration threshold is detected in the distribution branch box without flame triggering and temperature triggering. If a high level signal corresponding to the temperature detection sensor module 3 and a high level signal corresponding to the smoke concentration detection sensor module 2 are received, it is proved that the smoke concentration exceeds a smoke concentration threshold value and the temperature is obviously changed without flame triggering when the power distribution branch box is monitored. In these cases, the current fire risk level may be determined to be a medium risk level.
When the received high-level signal contains a high-level signal corresponding to the flame detection module 1, the fact that flame is monitored in the power distribution branch box proves that a fire condition exists and the situation is serious. For example, high level signals corresponding to the detection modules are received, it is proved that flame triggering, temperature triggering and smoke triggering exist in the distribution branch box at the same time, and at the moment, the current fire risk level can be judged to be a high risk level.
When the current fire risk level is judged to be a low risk level, a medium risk level or a high risk level, the signal processing unit 52 generates early warning information, integrates the early warning information with position information generated by the Beidou positioning unit 51, and sends the early warning information and the position information to the terminals of the electric power operation and maintenance personnel through the wireless communication unit 53 so as to help the electric power operation and maintenance personnel to judge the fire condition in the distribution branch box. When all three signal conversion circuits 4 output low level signals, the signal processing unit 52 will not perform the pre-warning operation.
In one implementation manner, the wireless communication unit 53 is communicatively connected to the set user terminal by using an NB _ IOT wireless communication network.
The communication is carried out based on NB _ IOT, the advantages of wide coverage, low power consumption and low cost are achieved, and the early warning information can be effectively sent to the terminals of the electric power operation and maintenance personnel in time.
The invention also provides a power distribution branch box fire-fighting early warning method based on Beidou positioning, which is based on the power distribution branch box fire-fighting early warning system based on Beidou positioning in any embodiment.
Referring to fig. 2, fig. 2 shows a flowchart of a power distribution branch box fire-fighting early-warning method based on Beidou positioning according to an embodiment of the present invention.
The embodiment of the invention provides a power distribution branch box fire-fighting early warning method based on Beidou positioning, which comprises the following steps:
step S1, when receiving the high level signal sent by the signal conversion circuit 4, the wireless transmission control module 5 performs fire risk level evaluation according to the received high level signal;
step S2, the wireless transmission control module 5 obtains the current positioning information, generates corresponding fire early warning information according to the estimated fire risk level and the positioning information, and sends the fire early warning information to a set user terminal.
In one possible implementation, the wireless transmission control module 5 performs fire risk level assessment according to the received high-level signal, and includes:
when only a high level signal corresponding to the temperature detection sensor module 3 is received, the wireless transmission control module 5 determines that the fire risk level is a low risk level;
when only a high level signal corresponding to the smoke concentration detection sensor module 2 is received, or when only a high level signal corresponding to the temperature detection sensor module 3 and a high level signal corresponding to the smoke concentration detection sensor module 2 are received, the wireless transmission control module 5 determines that the fire risk level is an intermediate risk level;
when the received high level signal includes a high level signal corresponding to the flame detection module 1, the wireless transmission control module 5 determines that the fire risk level is a high risk level.
The invention also provides a power distribution branch box fire-fighting early warning device based on Beidou positioning, which comprises:
a memory to store instructions; the instruction is used for realizing the power distribution branch box fire-fighting early warning method based on the Beidou positioning in any one of the embodiments;
a processor to execute the instructions in the memory.
The invention further provides a computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the fire-fighting early warning method for the distribution branch box based on the Beidou positioning is realized.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. 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, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may be stored in a 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 instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A power distribution branch box fire-fighting early warning system based on Beidou positioning is characterized by comprising a flame detection module, a smoke concentration detection sensor module, a temperature detection sensor module, a signal conversion circuit and a wireless transmission control module;
the wireless transmission control module comprises a Beidou positioning unit, a signal processing unit and a wireless communication unit which are connected in sequence; the flame detection module, the smoke concentration detection sensor module and the temperature detection sensor module are respectively connected with the signal processing unit through signal conversion circuits;
the flame detection module, the smoke concentration detection sensor module and the temperature detection sensor module are respectively used for detecting the environment in the power distribution branch box and outputting corresponding switching value signals according to the collected signals;
the signal conversion circuit is used for converting the received switching value signal into a corresponding level signal;
the signal processing unit is used for judging whether fire early warning is triggered or not according to the received level signal, carrying out fire risk grade evaluation according to the type of the detection module corresponding to the high level signal when the fire early warning is triggered, and generating corresponding fire early warning information according to the evaluated fire risk grade and the positioning information of the Beidou positioning unit;
the wireless communication unit is used for sending out the fire early warning information.
2. The Beidou positioning-based power distribution branch box fire-fighting pre-warning system according to claim 1, wherein the flame detection module comprises a flame detection sensor and a first intelligent alarm circuit, the smoke concentration detection sensor module comprises a smoke concentration sensor and a second intelligent alarm circuit, and the temperature detection sensor module comprises a temperature sensor and a third intelligent alarm circuit;
the first intelligent alarm circuit is used for outputting a normally-closed switching value signal when receiving a flame signal of the flame detection sensor;
the second intelligent alarm circuit is used for outputting a normally-closed switching value signal when the smoke concentration detected by the smoke concentration sensor exceeds a smoke concentration threshold value;
the third intelligent alarm circuit is used for outputting a normally-closed switching value signal when the temperature detected by the temperature sensor exceeds a temperature threshold value;
the signal conversion circuit is specifically used for converting the received normally closed switching value signal into a high level signal;
the signal processing unit is specifically used for triggering fire early warning when receiving a high-level signal.
3. The power distribution branch box fire-fighting early warning system based on Beidou positioning according to claim 2, wherein the signal processing unit is specifically configured to:
when only a high level signal corresponding to the temperature detection sensor module is received, determining the fire risk level as a low risk level;
determining a fire risk level as an intermediate risk level when only a high level signal corresponding to the smoke concentration detection sensor module is received, or when only a high level signal corresponding to the temperature detection sensor module and a high level signal corresponding to the smoke concentration detection sensor module are received;
and when the received high-level signal comprises a high-level signal corresponding to the flame detection module, determining the fire risk level as a high risk level.
4. The Beidou positioning-based power distribution branch box fire-fighting early warning system according to claim 2, wherein the flame detection sensor is provided with an ultraviolet light sensing circuit for monitoring ultraviolet radiation of a preset wavelength band.
5. The power distribution branch box fire-fighting early warning system based on Beidou positioning according to claim 1, wherein the wireless communication unit is in communication connection with a set user terminal by adopting an NB _ IOT wireless communication network.
6. The Beidou positioning-based power distribution branch box fire-fighting early warning system according to claim 1, further comprising a power management module;
the power management module is used for supplying power to the flame detection module, the smoke concentration detection sensor module, the temperature detection sensor module, the signal conversion circuit and the wireless transmission control module.
7. A power distribution branch box fire-fighting early-warning method based on Beidou positioning is characterized in that the method is based on the power distribution branch box fire-fighting early-warning system based on Beidou positioning as claimed in any one of claims 1-6, and the method comprises the following steps:
when receiving a high level signal sent by the signal conversion circuit, the wireless transmission control module carries out fire risk grade evaluation according to the received high level signal;
the wireless transmission control module acquires current positioning information, generates corresponding fire early warning information according to the evaluated fire risk level and the positioning information, and sends the fire early warning information to a set user terminal.
8. The power distribution branch box fire-fighting early-warning method based on Beidou positioning according to claim 7, wherein the wireless transmission control module carries out fire risk level assessment according to the received high-level signal, and the method comprises the following steps:
when only a high level signal corresponding to the temperature detection sensor module is received, the wireless transmission control module determines that the fire risk level is a low risk level;
when only a high level signal corresponding to the smoke concentration detection sensor module is received, or when only a high level signal corresponding to the temperature detection sensor module and a high level signal corresponding to the smoke concentration detection sensor module are received, the wireless transmission control module determines that the fire risk level is an intermediate risk level;
and when the received high-level signal comprises a high-level signal corresponding to the flame detection module, the wireless transmission control module determines that the fire risk level is a high risk level.
9. The utility model provides a distribution branch box fire control early warning device based on big dipper location which characterized in that includes:
a memory to store instructions; the instruction is used for realizing the power distribution branch box fire-fighting early warning method based on Beidou positioning according to claim 8;
a processor to execute the instructions in the memory.
10. A computer-readable storage medium, wherein the computer-readable storage medium has a computer program stored thereon, and the computer program, when executed by a processor, implements the beidou location-based fire-fighting early warning method for a distribution branch box according to claim 8.
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