CN116204690B - Block terminal data transmission system with automatic fire extinguishing function - Google Patents
Block terminal data transmission system with automatic fire extinguishing function Download PDFInfo
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- CN116204690B CN116204690B CN202310474774.7A CN202310474774A CN116204690B CN 116204690 B CN116204690 B CN 116204690B CN 202310474774 A CN202310474774 A CN 202310474774A CN 116204690 B CN116204690 B CN 116204690B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/90335—Query processing
- G06F16/90348—Query processing by searching ordered data, e.g. alpha-numerically ordered data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06393—Score-carding, benchmarking or key performance indicator [KPI] analysis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Abstract
The invention relates to the technical field of electric digital data processing, in particular to a distribution box data transmission system with an automatic fire extinguishing function, which comprises the following components: the following steps are realized through the mutual cooperation of a plurality of modules: acquiring a target temperature sequence and a target smoke concentration sequence corresponding to each preset moment of a target distribution box in a preset time period through a sensor; carrying out change analysis processing on the preset time; determining an initial ignition index corresponding to the current moment; determining a target ignition index corresponding to the current moment according to the initial ignition index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment; and generating a fire judgment mark corresponding to the current moment according to the target fire index, and transmitting the fire judgment mark to the automatic fire extinguishing module. According to the invention, through data processing on the target temperature sequence and the target smoke concentration sequence, the accuracy of fire judgment is improved, and the potential safety hazard of the distribution box is reduced.
Description
Technical Field
The invention relates to the technical field of electric digital data processing, in particular to a distribution box data transmission system with an automatic fire extinguishing function.
Background
The distribution box is generally composed of a shell and various corresponding electric elements, and is a device for bearing circuit load protection and power supply safety reliability maintenance in daily life application scenes. In the working operation process of the distribution box, the internal environment of the distribution box is relatively closed, so that heat generated in the operation process of circuit equipment is not easy to exchange with the environment, the internal temperature of the distribution box is higher than the ambient temperature, and further, the circuit in the distribution box is in an abnormal state such as insulation aging, and when the circuit load is increased, the internal temperature of the distribution box is also increased along with the rise, so that the internal fire condition is extremely easy to be induced, and potential safety hazards are caused. Therefore, the fire detection of the distribution box is very important.
At present, when the distribution box is used for detecting fire conditions, the mode is generally adopted as follows: the user checks how the environment in the distribution box is, whether a fire exists. However, when the fire is detected by adopting a user viewing mode, the fire cannot be often viewed in real time, and abnormal conditions occur, and due to the subjectivity of manpower, the user may not find the fire for the first time, which often causes higher potential safety hazards. The existing fire detection method comprises the following steps: and transmitting the collected smoke concentration to a fire extinguishing module, wherein the fire extinguishing module is used for judging whether the received smoke concentration is greater than a preset threshold value, and judging that fire occurs when the smoke concentration is greater than the threshold value, so as to extinguish the fire. However, when detecting a fire to an electrical box based on smoke concentration, there are often the following technical problems:
Firstly, smoke is generated from a fire condition of a distribution box, the generated smoke is sensed by a sensor, then the concentration of the smoke is collected by the sensor, and the collected concentration of the smoke is transmitted to a fire extinguishing module, wherein the process often causes certain hysteresis in the judgment of the fire condition, so that the accuracy of the judgment of the fire condition is lower, and further the potential safety hazard is higher;
second, because only a fire generates smoke, detecting a fire at the distribution box based on the smoke concentration alone may result in misjudgment of the fire.
Disclosure of Invention
The summary of the invention is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In order to solve the technical problem of high potential safety hazard of the distribution box, the invention provides a distribution box data transmission system with an automatic fire extinguishing function.
The invention provides a distribution box data transmission system with an automatic fire extinguishing function, which comprises the following components:
The data acquisition module is used for acquiring a target temperature sequence and a target smoke concentration sequence corresponding to each preset time in a preset time period of the target distribution box, wherein the last preset time in the preset time period is the current time;
the change analysis processing module is used for carrying out change analysis processing on the preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time to obtain a temperature change characteristic and a smoke change characteristic corresponding to the preset time;
the initial determining module is used for determining an initial ignition index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period and the reference temperature and the reference smoke concentration which are obtained in advance;
the target determining module is used for determining a target fire index corresponding to the current moment according to the initial fire index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment;
and the generation and transmission module is used for generating a fire judgment mark corresponding to the current moment according to the target fire index and transmitting the fire judgment mark to the automatic fire extinguishing module.
Further, the step of performing a change analysis process on the preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time to obtain a temperature change characteristic and a smoke change characteristic corresponding to the preset time includes:
determining the temperature change characteristics corresponding to the preset time according to the target temperature sequence corresponding to the preset time;
and determining smoke change characteristics corresponding to the preset moment according to the target smoke concentration sequence corresponding to the preset moment.
Further, the formula corresponding to the temperature change characteristic corresponding to the preset time is determined as follows:
wherein, the liquid crystal display device comprises a liquid crystal display device,is the temperature change characteristic corresponding to the i-th preset moment in the preset time period, a is a preset coefficient larger than zero,is the number of target temperatures in the target temperature sequence corresponding to the i-th preset moment in the preset time period,is the kth target temperature in the target temperature sequence corresponding to the ith preset moment in the preset time period,is the kth-1 target temperature in the target temperature sequence corresponding to the ith preset moment in the preset time period,is the acquisition time of the kth target temperature in the target temperature sequence corresponding to the ith preset moment in the preset time period, Is the acquisition time of the (k-1) th target temperature in the target temperature sequence corresponding to the (i) th preset moment in the preset time period,is thatI is the sequence number of the preset time, k is the pair of the i-th preset time in the preset time periodSequence number of target temperature in the corresponding target temperature sequence.
Further, the determining the initial ignition index corresponding to the current time according to the temperature change feature and the smoke change feature corresponding to each preset time in the preset time period and the reference temperature and the reference smoke concentration obtained in advance includes:
normalizing the difference value of the target temperature and the reference temperature at each preset time which is obtained in advance to obtain an initial temperature deviation corresponding to the preset time;
determining a target temperature deviation corresponding to the current moment according to the initial temperature deviation corresponding to each preset moment in the preset time period, wherein the initial temperature deviation corresponding to each preset moment in the preset time period is positively correlated with the target temperature deviation;
normalizing the difference value of the target smoke concentration and the reference smoke concentration at each preset time which is obtained in advance to obtain an initial smoke deviation corresponding to the preset time;
Determining a target smoke deviation corresponding to the current moment according to the initial smoke deviation corresponding to each preset moment in the preset time period, wherein the initial smoke deviation corresponding to each preset moment in the preset time period is positively correlated with the target smoke deviation;
determining a first reference index according to the target temperature deviation and the target smoke deviation, wherein the target temperature deviation and the target smoke deviation are positively correlated with the first reference index;
determining a second reference index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period;
and determining an initial ignition index corresponding to the current moment according to the first reference index and the second reference index, wherein the first reference index and the second reference index are positively correlated with the initial ignition index.
Further, the determining, according to the temperature change feature and the smoke change feature corresponding to each preset time in the preset time period, the second reference index corresponding to the current time includes:
combining the temperature change characteristic and the smoke change characteristic corresponding to each preset moment into characteristic coordinates corresponding to the preset moment;
For every two adjacent preset moments in the preset time period, determining the distance between the feature coordinates corresponding to the two preset moments as a feature difference index between the two preset moments;
and determining the second reference index according to the characteristic difference index between each adjacent preset moment in the preset time period, wherein the characteristic difference index between each adjacent preset moment in the preset time period and the second reference index are positively correlated.
Further, the determining, according to the initial fire indicator, the temperature change feature and the smoke change feature corresponding to the current time, the target fire indicator corresponding to the current time includes:
determining a temperature abnormality index according to the initial ignition index and the temperature change characteristic corresponding to the current moment, wherein the initial ignition index and the temperature change characteristic corresponding to the current moment are positively correlated with the temperature abnormality index;
determining a smoke abnormality index according to the initial ignition index and the smoke change characteristics corresponding to the current moment, wherein the initial ignition index and the smoke change characteristics corresponding to the current moment are positively correlated with the smoke abnormality index;
And determining the target ignition index according to the temperature abnormality index and the smoke abnormality index, wherein the temperature abnormality index and the smoke abnormality index are positively correlated with the target ignition index.
Further, the generating, according to the target firing indicator, a firing judgment flag corresponding to the current time includes:
when the target fire index is greater than or equal to a first preset fire threshold, determining first preset data as a fire judgment mark;
when the target fire index is smaller than a first preset fire threshold and larger than or equal to a second preset fire threshold, determining second preset data as a fire judgment mark;
and when the target fire index is smaller than a second preset fire threshold, determining third preset data as a fire judgment mark.
The invention has the following beneficial effects:
according to the distribution box data transmission system with the automatic fire extinguishing function, through data processing on the target temperature sequence and the target smoke concentration sequence, the accuracy of fire judgment is improved, and the potential safety hazard of the distribution box is reduced. Firstly, because the more likely the block terminal is about to take place the condition of a fire, the more the inside temperature of block terminal often is high, and the time when the block terminal takes place the condition of a fire often can produce smog to the inside temperature of block terminal is compared in smog concentration, more has timeliness to the judgement of condition of a fire. Therefore, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time of the target distribution box in the preset time period are obtained, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time can be conveniently and comprehensively analyzed later, and accordingly the accuracy of judging the follow-up fire condition can be improved. Then, since the target temperature and the target smoke concentration tend to be relatively stable when the target distribution box is in normal operation, for example, the target smoke concentration tends to be stabilized to 0, the change analysis processing is performed on the preset time based on the target temperature sequence and the target smoke concentration sequence, so that it is convenient to determine whether the target distribution box is in normal operation. Then, the accuracy of the initial ignition index determination can be improved by comprehensively considering the temperature change characteristic and the smoke change characteristic, and the reference temperature and the reference smoke concentration which are acquired in advance. And then, comprehensively considering the initial ignition index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment, and improving the accuracy of determining the target ignition index corresponding to the current moment. Then, based on the target fire index, the accuracy of generating the fire judgment mark corresponding to the current moment can be improved. Finally, the fire judgment mark is transmitted to the automatic fire extinguishing module, so that automatic fire extinguishing of the target distribution box can be realized. Therefore, the invention can detect the fire condition of the target distribution box in real time, comprehensively considers the target temperature sequence and the target smoke concentration sequence, improves the accuracy of fire condition judgment, and reduces the potential safety hazard of the distribution box.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions and advantages of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a data transmission system of a distribution box with an automatic fire extinguishing function according to the present invention.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description is given below of the specific implementation, structure, features and effects of the technical solution according to the present invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "another embodiment" means that the embodiments are not necessarily the same. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The invention provides a distribution box data transmission system with an automatic fire extinguishing function, which comprises the following components:
the data acquisition module is used for acquiring a target temperature sequence and a target smoke concentration sequence corresponding to each preset time in a preset time period of the target distribution box, wherein the last preset time in the preset time period is the current time;
the change analysis processing module is used for carrying out change analysis processing on the preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time to obtain temperature change characteristics and smoke change characteristics corresponding to the preset time;
the initial determining module is used for determining an initial ignition index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period and the reference temperature and the reference smoke concentration which are obtained in advance;
the target determining module is used for determining a target fire index corresponding to the current moment according to the initial fire index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment;
and the generation and transmission module is used for generating a fire judgment mark corresponding to the current moment according to the target fire index and transmitting the fire judgment mark to the automatic fire extinguishing module.
Referring to fig. 1, there is shown a schematic configuration of a data transmission system for a distribution box having an automatic fire extinguishing function according to the present invention. This block terminal data transmission system with automatic fire extinguishing function includes:
the data acquisition module 101 is configured to acquire a target temperature sequence and a target smoke concentration sequence corresponding to each preset time in a preset time period of the target distribution box.
In some embodiments, a target temperature sequence and a target smoke concentration sequence corresponding to each preset time of the target distribution box in a preset time period may be obtained.
The target distribution box can be a distribution box for fire detection. The preset time period may be a preset time period. For example, the duration corresponding to the preset time period may be 6 seconds. The preset time period may be 2023, 04, 18, 10, 18 minutes, 20 seconds to 2023, 04, 18, 10, 18 minutes, 26 seconds. The preset time may be a preset time. For example, the duration between every two adjacent preset moments within the preset time period may be 1 second. The preset time may be 2023, 04, 18, 10, 18 minutes, 22 seconds. The last preset time in the preset time period may be the current time, that is, the end time of the preset time period may be the current time. The target temperature may be an internal temperature of the target power distribution box normalized. The target smoke concentration may be a normalized smoke concentration within the target electrical box. The smoke concentration and temperature inside the electrical box may be electrical box data. The block terminal data may be data relating to whether a block terminal has a fire. The target temperature sequence corresponding to the preset time may include: target temperatures at each preset history time in a preset history time period corresponding to the preset time. The preset history period may be a preset period. The duration corresponding to the preset history period may be equal to the duration corresponding to the preset period. The preset history time may be a preset time. The time period between two adjacent preset history times may be equal to the time period between two adjacent preset times. The last preset historical time in the preset historical time period corresponding to the preset time can be the preset time, that is, the ending time of the preset historical time period corresponding to the preset time can be the preset time. The target smoke concentration sequence corresponding to the preset time may include: the target smoke concentration at each preset history time in the preset history time period corresponding to the preset time. The target temperature sequence and the target smoke concentration sequence may be sequences ordered according to the acquisition time.
It should be noted that, because the more likely the block terminal will take place the condition of a fire, the more the inside temperature of block terminal tends to be high, and when the block terminal takes place the condition of a fire, often can produce smog to the inside temperature of block terminal is compared in smog concentration, more has timeliness to the judgement of condition of a fire. Therefore, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time of the target distribution box in the preset time period are obtained, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time can be conveniently and comprehensively analyzed later, and accordingly the accuracy of judging the follow-up fire condition can be improved. And secondly, the target temperature and the target smoke concentration are normalized data, so that the problem of different dimensions between the smoke concentration and the temperature in the target distribution box can be eliminated, and the subsequent processing can be facilitated.
As an example, the internal temperature of the target distribution box at each preset history time may be collected by the temperature sensor, and the collected internal temperature may be normalized to obtain the target temperature at each preset history time. Wherein a temperature sensor may be used to collect temperature. The acquisition time of the target temperature at the preset history time may be the preset history time. Then, the smoke concentration inside the target distribution box at each preset historical moment can be collected through a smoke concentration sensor, and the collected smoke concentration is normalized to obtain the target smoke concentration at each preset historical moment. Wherein a smoke concentration sensor may be used to collect smoke concentration. The collection time of the target smoke concentration at the preset history time may be the preset history time.
For example, the duration corresponding to the preset time period may be 3 seconds. The preset time period may be 2023, 04, 18, 10, 18 minutes, 20 seconds to 2023, 04, 18, 10, 18 minutes, 22 seconds. The duration between every two adjacent preset moments in the preset time period may be 1 second. The preset time period may include 3 preset times, which may be 2023, 04, 18, 10, 18 minutes, 20 seconds, 2023, 04, 18, 10, 18 minutes, 21 seconds, and 2023, 04, 18, 10, 18 minutes, 22 seconds, respectively.
The change analysis processing module 102 is configured to perform change analysis processing on the preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time, so as to obtain a temperature change characteristic and a smoke change characteristic corresponding to the preset time.
In some embodiments, the change analysis processing may be performed on each preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time, so as to obtain the temperature change characteristic and the smoke change characteristic corresponding to the preset time.
It should be noted that, because the target temperature and the target smoke concentration tend to be relatively stable during normal operation of the target distribution box, for example, the target smoke concentration tends to be stable to be 0, the change analysis processing is performed on the preset time based on the target temperature sequence and the target smoke concentration sequence, so that it is convenient to determine whether the target distribution box is operating normally.
As an example, this step may include the steps of:
the first step, determining the temperature change characteristics corresponding to the preset time according to the target temperature sequence corresponding to the preset time.
For example, the formula corresponding to the temperature change feature corresponding to the preset time may be determined as follows:
wherein, the liquid crystal display device comprises a liquid crystal display device,is the temperature change characteristic corresponding to the ith preset moment in the preset time period. a is a preset coefficient greater than zero, for example, a may be。Is the number of target temperatures in the target temperature sequence corresponding to the i-th preset moment in the preset time period.The target temperature is the kth target temperature in the target temperature sequence corresponding to the ith preset time in the preset time period, namely the target temperature at the kth preset historical time in the preset historical time period corresponding to the ith preset time.The target temperature is the (k-1) target temperature in the target temperature sequence corresponding to the (i) th preset time in the preset time period, namely the target temperature at the (k-1) th preset historical time in the preset historical time period corresponding to the (i) th preset time.Is the acquisition time of the kth target temperature in the target temperature sequence corresponding to the ith preset time in the preset time period, namely the ith preset time And etching the kth preset historical moment in the corresponding preset historical time period.Is the acquisition time of the (k-1) th target temperature in the target temperature sequence corresponding to the (i) th preset time in the preset time period, namely the (k-1) th preset historical time in the preset historical time period corresponding to the (i) th preset time.Is thatIs the absolute value of (c). i is a sequence number of a preset time in a preset time period. k is the sequence number of the target temperature in the target temperature sequence corresponding to the ith preset moment in the preset time period. Since k is the sequence number of the target temperature in the target temperature sequence corresponding to the ith preset time in the preset time period, and the target temperature in the target temperature sequence can be in one-to-one correspondence with the preset historical time in the preset historical time period, k can also be the sequence number of the preset historical time in the preset historical time period corresponding to the ith preset time.
When the following is performedWhen the target temperature is larger, the more unstable the target temperature in the target temperature sequence corresponding to the ith preset moment is often described, and the acquisition time of the target temperature is integrated, so thatThe degree of instability of the target temperature in the target temperature sequence corresponding to the ith preset moment can be represented. Since the target temperature is stable when the target distribution box is in normal operation, when The larger the target distribution box is, the more likely the target distribution box is to have a risk of fire at the ith preset moment.
And a second step of determining smoke change characteristics corresponding to the preset moment according to the target smoke concentration sequence corresponding to the preset moment.
For example, the formula for determining the smoke change feature corresponding to the preset time may be:
wherein, the liquid crystal display device comprises a liquid crystal display device,is the smoke change characteristic corresponding to the ith preset moment in the preset time period. a is a preset coefficient greater than zero, for example, a may be。The target smoke concentration is the kth target smoke concentration in the target smoke concentration sequence corresponding to the ith preset time in the preset time period, namely the target smoke concentration at the kth preset historical time in the preset historical time period corresponding to the ith preset time.The target smoke concentration is the (k-1) target smoke concentration in the target smoke concentration sequence corresponding to the (i) th preset time in the preset time period, namely the target smoke concentration at the (k-1) th preset history time in the preset history time period corresponding to the (i) th preset time.Is the acquisition time of the kth target smoke concentration in the target smoke concentration sequence corresponding to the ith preset time in the preset time period, namely the kth preset historical time in the preset historical time period corresponding to the ith preset time. Is the acquisition time of the (k-1) th target smoke concentration in the target smoke concentration sequence corresponding to the (i) th preset time in the preset time period, namely the (k-1) th preset history in the preset history time period corresponding to the (i) th preset timeTime of day.Is thatIs the absolute value of (c). i is a sequence number of a preset time in a preset time period. Since k is the sequence number of the target temperature in the target temperature sequence corresponding to the i-th preset time in the preset time period, k can also be the sequence number of the preset history time in the preset history time period corresponding to the i-th preset time, and the target temperature in the target temperature sequence can be in one-to-one correspondence with the preset history time in the preset history time period, and the target smoke concentration in the target smoke concentration sequence can be in one-to-one correspondence with the preset history time in the preset history time period, so k can also be the sequence number of the target smoke concentration in the target smoke concentration sequence corresponding to the i-th preset time. The number of target smoke concentrations in the sequence of target smoke concentrations may be equal to the number of target temperatures in the sequence of target temperatures, andis the number of target temperatures in the target temperature sequence corresponding to the i-th preset time in the preset time period, thus The number of the target smoke concentrations in the target smoke concentration sequence corresponding to the i-th preset time in the preset time period can also be set.
When the following is performedWhen the target smoke concentration is larger, the more unstable the target smoke concentration in the target smoke concentration corresponding to the ith preset moment is often described, and the acquisition time of the target smoke concentration is integrated, so thatThe degree of instability of the target smoke concentration in the target smoke concentration sequence corresponding to the ith preset moment can be represented. Because the target smoke concentration tends to be relatively stable when the target distribution box is in normal operation, whenThe larger the target distribution box is, the more likely the target distribution box is to have a risk of fire at the ith preset moment.
The initial determining module 103 is configured to determine an initial fire indicator corresponding to the current time according to the temperature change feature and the smoke change feature corresponding to each preset time in the preset time period, and the reference temperature and the reference smoke concentration acquired in advance.
In some embodiments, the initial ignition index corresponding to the current time may be determined according to the temperature change feature and the smoke change feature corresponding to each preset time in the preset time period, and the reference temperature and the reference smoke concentration acquired in advance.
The reference temperature may be a normalized temperature when the target distribution box is normally used. The reference smoke concentration may be a normalized smoke concentration of the target block terminal when in normal use. For example, the reference smoke concentration may be 0.
It should be noted that, by comprehensively considering the temperature change feature and the smoke change feature, and the reference temperature and the reference smoke concentration obtained in advance, the accuracy of determining the initial ignition index can be improved.
As an example, this step may include the steps of:
the first step, normalizing the difference value between the target temperature and the reference temperature at each preset time acquired in advance to obtain the initial temperature deviation corresponding to the preset time.
The target temperature at the preset time may be a target temperature acquired at the preset time.
And a second step of determining a target temperature deviation corresponding to the current time according to the initial temperature deviation corresponding to each preset time in the preset time period.
The initial temperature deviation corresponding to each preset time in the preset time period may be positively correlated with the target temperature deviation.
Thirdly, normalizing the difference value of the target smoke concentration and the reference smoke concentration at each preset time acquired in advance to obtain an initial smoke deviation corresponding to the preset time.
The target smoke concentration at the preset time may be the target smoke concentration collected at the preset time.
Fourth, determining the target smoke deviation corresponding to the current time according to the initial smoke deviation corresponding to each preset time in the preset time period.
The initial smoke deviation corresponding to each preset time in the preset time period can be positively correlated with the target smoke deviation.
And fifthly, determining a first reference index according to the target temperature deviation and the target smoke deviation.
Wherein the target temperature deviation and the target smoke deviation may both be positively correlated with a first reference index.
For example, the formula for determining that the first reference index corresponds to may be:
wherein, the liquid crystal display device comprises a liquid crystal display device,is the first reference index corresponding to the current moment.Is the target smoke deviation corresponding to the current moment.Is the target temperature deviation corresponding to the current moment. N is the number of preset moments in a preset time period.Is the target temperature at the i-th preset time in the preset time period. x is the reference temperature.Is the target smoke concentration at the i-th preset time in the preset time period. y is the reference smoke concentration. i is a sequence number of a preset time in a preset time period. Can realize the pair ofIs included in the (c) for the normalization.Can realize the pair ofIs included in the (c) for the normalization.Is the initial temperature deviation corresponding to the i-th preset moment in the preset time period.And (3) withAnd shows positive correlation.Is the initial smoke deviation corresponding to the i-th preset moment in the preset time period.And (3) withAnd shows positive correlation.Andare all in contact withAnd shows positive correlation.
When the following is performedThe larger the target temperature at the ith preset time, the higher the target temperature is, and the more likely the target distribution box is at the ith preset time, the risk of fire is. When (when)The larger the target smoke concentration at the ith preset time, the higher the target smoke concentration is, and the more likely the target distribution box is at the ith preset time, the risk of fire is shown. For a pair ofAndnormalization is performed, so that subsequent processing can be facilitated. When (when)The larger the target temperature in the preset time period is, the higher the target temperature in the preset time period is, the more the risk of fire occurrence of the target distribution box in the preset time period is, and therefore the more the risk of fire occurrence of the target distribution box at the current moment is. When (when)The larger the target smoke concentration in the preset time period, the higher the target smoke concentration in the preset time period, the more likely the target distribution box is in the risk of fire in the preset time period, and therefore the more likely the target distribution box is in the risk of fire at the current moment. Thus (2) The larger it is often stated that the more likely the target block terminal is at the present time that there is a risk of a fire.
And sixthly, determining a second reference index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period.
For example, according to the temperature change feature and the smoke change feature corresponding to each preset time within the preset time period, determining the second reference index corresponding to the current time may include the following substeps:
and a first sub-step of combining the temperature change characteristic and the smoke change characteristic corresponding to each preset time into characteristic coordinates corresponding to the preset time.
Wherein the feature coordinates may be two-dimensional coordinates.
For example, first, the temperature change feature corresponding to the preset time may be determined as the abscissa included in the feature coordinate corresponding to the preset time. Then, the smoke change feature corresponding to the preset time can be determined as the ordinate included in the feature coordinates corresponding to the preset time.
And a second sub-step, for each adjacent two preset moments in the preset time period, determining the distance between the feature coordinates corresponding to the two preset moments as a feature difference index between the two preset moments.
For example, the euclidean distance between the feature coordinates corresponding to any two adjacent preset moments in the preset time period can be determined as the feature difference index between the two preset moments.
And a third sub-step of determining the second reference index according to the characteristic difference index between each adjacent preset time in the preset time period.
The characteristic difference index between each adjacent preset time in the preset time period may be positively correlated with the second reference index.
For example, the formula for determining the second reference index may be:
wherein w is a second reference index corresponding to the current time. N is the number of preset moments in a preset time period.Is a characteristic difference index between the ith preset time and the (i+1) th preset time in a preset time period, namely the ith preset time and the (i)And i+1 Euclidean distances between the feature coordinates corresponding to the preset moments. i is a sequence number of a preset time in a preset time period.Positively correlated with w.
When the following is performedThe larger the temperature and smoke state corresponding to the i-th preset time are, the more different the temperature and smoke state of the i+1th preset time are, the more possible the target distribution box is between the i-th preset time and the i+1th preset time is, and the risk of fire is indicated. Thus, when w is greater, it is often stated that the target block terminal is more likely to be at risk of fire at the present time.
And seventh, determining an initial ignition index corresponding to the current moment according to the first reference index and the second reference index.
Wherein, the first reference index and the second reference index can be positively correlated with the initial fire index.
For example, the formula corresponding to the initial firing indicator corresponding to the current time may be determined as follows:
wherein Q is an initial firing index corresponding to the current moment. w is a second reference index corresponding to the current time.Is the first reference index corresponding to the current moment. w andare all positively correlated with Q.
It should be noted that, when w is larger, it is often explained that the target distribution box is more likely to have a risk of occurrence of a fire at the present moment. When (when)The larger it is often stated that the more likely the target block terminal is at the present time that there is a risk of a fire. Thus, when Q is greater, it is often stated that the more likely the target block terminal is at the present time that a fire is at risk.
Alternatively, the formula corresponding to the initial fire index corresponding to the current time may be determined as follows:
wherein Q is an initial firing index corresponding to the current moment.Is the integral deviation corresponding to the i-th preset moment in the preset time period.Is the target temperature at the i-th preset time in the preset time period. x is the reference temperature. Is the target smoke concentration at the i-th preset time in the preset time period. y is the reference smoke concentration.Is a characteristic difference index between the i < th > preset time and the (i+1) th preset time in the preset time period. i is a sequence number of a preset time in a preset time period.Can realize the pair ofIs included in the (c) for the normalization.Can realize the pair ofIs included in the (c) for the normalization.
When the following is performedThe larger the target temperature and the target smoke concentration at the ith preset time, the higher the target temperature and the target smoke concentration are, and the more likely the target distribution box is at the ith preset time, the risk of fire is. When (when)The larger the target distribution box, the more likely the target distribution box is between the ith preset time and the (i+1) th preset time to have the risk of fire. Thus, when Q is greater, it is often stated that the more likely the target block terminal is at the present time that a fire is at risk.
The target determining module 104 is configured to determine a target fire indicator corresponding to the current moment according to the initial fire indicator, the temperature change feature and the smoke change feature corresponding to the current moment.
In some embodiments, the target fire indicator corresponding to the current time may be determined according to the initial fire indicator, the temperature change feature corresponding to the current time, and the smoke change feature.
It should be noted that, by comprehensively considering the initial fire index, the temperature change feature and the smoke change feature corresponding to the current moment, the accuracy of determining the target fire index corresponding to the current moment can be improved.
As an example, this step may include the steps of:
first, determining a temperature abnormality index according to the initial ignition index and the temperature change characteristic corresponding to the current moment.
Wherein, the initial ignition index and the temperature change characteristic corresponding to the current moment can be positively correlated with the temperature abnormality index.
And secondly, determining a smoke abnormality index according to the initial ignition index and the smoke change characteristic corresponding to the current moment.
The initial ignition index and the smoke change characteristic corresponding to the current moment can be positively correlated with the smoke abnormality index.
And thirdly, determining the target ignition index according to the temperature abnormality index and the smoke abnormality index.
Wherein, the temperature abnormality index and the smoke abnormality index may both be positively correlated with the target ignition index.
For example, the formula for determining the target firing indicator corresponding to the current time may be:
Wherein vb is a target firing indicator corresponding to the current time. wt is an index of temperature anomaly. Q is the initial fire index corresponding to the current moment. the tem is a temperature change characteristic corresponding to the current time. wf is an indicator of smoke anomalies. fmp is the smoke variation characteristic corresponding to the current moment.Normalization to wt×wf can be achieved. Q and tem are both positively correlated with wt. Q and fmp are both positively correlated with wf. Both wf and wt are positively correlated with vb.
When Q is larger, it is often explained that the target distribution box is more likely to have a risk of fire at the present time. When the tem is larger, it tends to indicate that the target temperature in the period adjacent to the current time is more unstable, and tends to indicate that the target distribution box is more likely to have a risk of fire at the current time. When fmp is greater, it tends to indicate that the target smoke concentration is less stable in the time period adjacent to the current time, and tends to indicate that the target distribution box is more likely to be at risk of fire at the current time. Thus, the larger vb, the more likely the target distribution box is at the present moment at which the risk of fire will occur.
The generating and transmitting module 105 is configured to generate a fire judgment sign corresponding to the current moment according to the target fire index, and transmit the fire judgment sign to the automatic fire extinguishing module.
In some embodiments, a fire judgment mark corresponding to the current moment may be generated according to the target fire index, and the fire judgment mark may be transmitted to the automatic fire extinguishing module.
Wherein the fire judgment flag may be data for characterizing a fire risk condition of the target distribution box. The automatic fire extinguishing module can realize automatic fire extinguishing of the target distribution box.
Based on the target firing indicator, the accuracy of the firing judgment flag generation corresponding to the current time can be improved. And the fire judgment mark is transmitted to the automatic fire extinguishing module, so that the automatic fire extinguishing of the target distribution box can be realized.
As an example, this step may include the steps of:
and a first step of determining the first preset data as a fire judgment mark when the target fire index is greater than or equal to a first preset fire threshold.
The first preset fire threshold may be a preset minimum target fire index when the target distribution box is considered to be required to extinguish a fire. For example, the first preset fire threshold may be 0.7. The first preset data may be preset data. For example, the first preset data may be 1.
And a second step of determining second preset data as a fire judgment mark when the target fire index is smaller than a first preset fire threshold and larger than or equal to a second preset fire threshold.
Wherein the second preset fire threshold may be less than the first preset fire threshold. The second preset fire threshold may be a preset minimum target fire indicator when the target distribution box is considered to have a fire risk. For example, the second preset fire threshold may be 0.5. The first preset data and the second preset data may be different. The second preset data may be preset data. For example, the second preset data may be 0.
And thirdly, when the target fire index is smaller than a second preset fire threshold, determining third preset data as a fire judgment mark.
The first preset data, the second preset data and the third preset data may be different. The third preset data may be preset data. For example, the third preset data may be 2.
And step four, transmitting the fire judgment mark to the automatic fire extinguishing module.
For example, the fire judgment flag may be transmitted to a self-extinguishing module, through which self-extinguishing of the target distribution box may be achieved.
The automatic fire extinguishing module can be used for judging the received fire judgment mark, and when the fire judgment mark is the first preset data, the target distribution box is extinguished through the fire extinguisher. When the fire judgment mark is the second preset data, a fire prompt message can be sent to remind workers that the target distribution box is abnormal, and a fire disaster can occur.
Optionally, when the fire judgment mark is the first preset data, the fire judgment mark is transmitted to the fire extinguishing execution module, and the fire extinguishing execution module can realize automatic fire extinguishing of the target distribution box. The fire-extinguishing execution module is used for extinguishing fire to the target distribution box through the fire extinguisher.
In summary, firstly, when the more likely the block terminal will take place the condition of a fire, the more the inside temperature of block terminal tends to be high, and when the block terminal takes place the condition of a fire, often can produce smog to the inside temperature of block terminal is compared with smog concentration, has more timeliness to the judgement of condition of a fire. Therefore, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time of the target distribution box in the preset time period are obtained, the target temperature sequence and the target smoke concentration sequence corresponding to each preset time can be conveniently and comprehensively analyzed later, and accordingly the accuracy of judging the follow-up fire condition can be improved. Then, because the target temperature and the target smoke concentration tend to be relatively stable when the target distribution box normally works, the change analysis processing is carried out on the preset moment based on the target temperature sequence and the target smoke concentration sequence, so that whether the target distribution box normally works or not can be conveniently judged. Then, the accuracy of the initial ignition index determination can be improved by comprehensively considering the temperature change characteristic and the smoke change characteristic, and the reference temperature and the reference smoke concentration which are acquired in advance. And then, comprehensively considering the initial ignition index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment, and improving the accuracy of determining the target ignition index corresponding to the current moment. Then, based on the target fire index, the accuracy of generating the fire judgment mark corresponding to the current moment can be improved. Finally, the fire judgment mark is transmitted to the automatic fire extinguishing module, so that automatic fire extinguishing of the target distribution box can be realized. Therefore, the invention can detect the fire condition of the target distribution box in real time, comprehensively considers the target temperature sequence and the target smoke concentration sequence, improves the accuracy of fire condition judgment, and reduces the potential safety hazard of the distribution box.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention and are intended to be included within the scope of the invention.
Claims (4)
1. A data transmission system for a power distribution box having an automatic fire extinguishing function, the system comprising:
the data acquisition module is used for acquiring a target temperature sequence and a target smoke concentration sequence corresponding to each preset time in a preset time period of the target distribution box, wherein the last preset time in the preset time period is the current time;
the change analysis processing module is used for carrying out change analysis processing on the preset time according to the target temperature sequence and the target smoke concentration sequence corresponding to each preset time to obtain a temperature change characteristic and a smoke change characteristic corresponding to the preset time;
The initial determining module is used for determining an initial ignition index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period and the reference temperature and the reference smoke concentration which are obtained in advance;
the target determining module is used for determining a target fire index corresponding to the current moment according to the initial fire index, the temperature change characteristic and the smoke change characteristic corresponding to the current moment;
the generation and transmission module is used for generating a fire judgment mark corresponding to the current moment according to the target fire index and transmitting the fire judgment mark to the automatic fire extinguishing module;
the method comprises the steps of carrying out change analysis processing on preset time according to a target temperature sequence and a target smoke concentration sequence corresponding to each preset time to obtain a temperature change characteristic and a smoke change characteristic corresponding to the preset time, and comprises the following steps:
determining the temperature change characteristics corresponding to the preset time according to the target temperature sequence corresponding to the preset time;
determining smoke change characteristics corresponding to the preset moment according to the target smoke concentration sequence corresponding to the preset moment;
The formula corresponding to the temperature change characteristics corresponding to the preset time is determined as follows:
wherein, the liquid crystal display device comprises a liquid crystal display device,is the first in a preset time periodiThe temperature change characteristics corresponding to the preset moments,ais a preset coefficient greater than zero, < ->Is the first in a preset time periodiThe number of target temperatures in the target temperature sequence corresponding to the preset moments, < >>Is the first in a preset time periodiThe first of the target temperature sequences corresponding to the preset momentskTarget temperature->Is the first in a preset time periodiThe first of the target temperature sequences corresponding to the preset momentsk-1 target temperature, < > f>Is the first in a preset time periodiThe first of the target temperature sequences corresponding to the preset momentskAcquisition time of individual target temperatures, < >>Is the first in a preset time periodiThe first of the target temperature sequences corresponding to the preset momentsk-1 acquisition time of target temperature, +.>Is thatIs used for the control of the absolute value of (a),iis a serial number at a preset time,kis the first in a preset time periodiSequence numbers of target temperatures in the target temperature sequences corresponding to the preset moments;
the determining the initial ignition index corresponding to the current time according to the temperature change characteristic and the smoke change characteristic corresponding to each preset time in the preset time period and the reference temperature and the reference smoke concentration obtained in advance comprises the following steps:
Normalizing the difference value of the target temperature and the reference temperature at each preset time which is obtained in advance to obtain an initial temperature deviation corresponding to the preset time;
determining a target temperature deviation corresponding to the current moment according to the initial temperature deviation corresponding to each preset moment in the preset time period, wherein the initial temperature deviation corresponding to each preset moment in the preset time period is positively correlated with the target temperature deviation;
normalizing the difference value of the target smoke concentration and the reference smoke concentration at each preset time which is obtained in advance to obtain an initial smoke deviation corresponding to the preset time;
determining a target smoke deviation corresponding to the current moment according to the initial smoke deviation corresponding to each preset moment in the preset time period, wherein the initial smoke deviation corresponding to each preset moment in the preset time period is positively correlated with the target smoke deviation;
determining a first reference index according to the target temperature deviation and the target smoke deviation, wherein the target temperature deviation and the target smoke deviation are positively correlated with the first reference index;
determining a second reference index corresponding to the current moment according to the temperature change characteristics and the smoke change characteristics corresponding to each preset moment in the preset time period;
And determining an initial ignition index corresponding to the current moment according to the first reference index and the second reference index, wherein the first reference index and the second reference index are positively correlated with the initial ignition index.
2. The data transmission system of a power distribution box with an automatic fire extinguishing function according to claim 1, wherein the determining the second reference index corresponding to the current time according to the temperature change characteristic and the smoke change characteristic corresponding to each preset time in the preset time period includes:
combining the temperature change characteristic and the smoke change characteristic corresponding to each preset moment into characteristic coordinates corresponding to the preset moment;
for every two adjacent preset moments in the preset time period, determining the distance between the feature coordinates corresponding to the two preset moments as a feature difference index between the two preset moments;
and determining the second reference index according to the characteristic difference index between each adjacent preset moment in the preset time period, wherein the characteristic difference index between each adjacent preset moment in the preset time period and the second reference index are positively correlated.
3. The data transmission system of a power distribution box with an automatic fire extinguishing function according to claim 1, wherein the determining the target fire indicator corresponding to the current time according to the initial fire indicator, the temperature change characteristic corresponding to the current time and the smoke change characteristic comprises:
determining a temperature abnormality index according to the initial ignition index and the temperature change characteristic corresponding to the current moment, wherein the initial ignition index and the temperature change characteristic corresponding to the current moment are positively correlated with the temperature abnormality index;
determining a smoke abnormality index according to the initial ignition index and the smoke change characteristics corresponding to the current moment, wherein the initial ignition index and the smoke change characteristics corresponding to the current moment are positively correlated with the smoke abnormality index;
and determining the target ignition index according to the temperature abnormality index and the smoke abnormality index, wherein the temperature abnormality index and the smoke abnormality index are positively correlated with the target ignition index.
4. The data transmission system of a power distribution box with an automatic fire extinguishing function according to claim 1, wherein the generating the fire judgment mark corresponding to the current time according to the target fire index comprises:
When the target fire index is greater than or equal to a first preset fire threshold, determining first preset data as a fire judgment mark;
when the target fire index is smaller than a first preset fire threshold and larger than or equal to a second preset fire threshold, determining second preset data as a fire judgment mark;
and when the target fire index is smaller than a second preset fire threshold, determining third preset data as a fire judgment mark.
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