CN116110184A - Building fire early warning circuit, method, equipment and computer storage medium - Google Patents
Building fire early warning circuit, method, equipment and computer storage medium Download PDFInfo
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- CN116110184A CN116110184A CN202310379988.6A CN202310379988A CN116110184A CN 116110184 A CN116110184 A CN 116110184A CN 202310379988 A CN202310379988 A CN 202310379988A CN 116110184 A CN116110184 A CN 116110184A
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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
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/043—Monitoring of the detection circuits of fire detection circuits
Abstract
The invention relates to the field of fire early warning, and discloses a building fire early warning circuit, a method, equipment and a computer storage medium, wherein the circuit comprises a main circuit abnormality detection circuit, an aging processing circuit, a sub-circuit abnormality detection circuit and a fire early warning output circuit which are connected with a system-level control chip, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line; the aging processing circuit receives input parameters, determines an aging parameter set based on the input parameters, the main circuit abnormality detection circuit collects main circuit information of a main input line, the system level control chip determines main abnormality information according to the aging parameter set and the main circuit information, the sub-circuit abnormality detection circuit determines secondary abnormality information based on the main abnormality information, the system level control chip determines target abnormality information according to the aging parameter set and the secondary abnormality information, an early warning instruction is generated, and the fire early warning output circuit carries out fire early warning based on the early warning instruction. The invention improves the accuracy of building fire early warning.
Description
Technical Field
The invention relates to the field of fire early warning, in particular to a building fire early warning circuit, a building fire early warning method, building fire early warning equipment and a computer storage medium.
Background
With the rapid development of electrical technology, various power systems are increasingly used in various fields, and meanwhile, the fire detection of the power systems is also increasingly emphasized.
The traditional building fire early warning mode is to set a specific fuse on a total circuit, further automatically fuse the internal circuit of the fuse when the current or the voltage is abnormal, and prevent the fire risk by disconnecting the circuit. The building fire early warning mode has the advantages that the building fire early warning mode has the defect that the fuse is disconnected due to the fact that current or voltage is instantaneously abnormal, namely, the building fire early warning mode is low in accuracy of building fire early warning detected by the circuit due to the fact that the fuse is caused by the fact that the current or the voltage is instantaneously abnormal.
Disclosure of Invention
The invention mainly aims to provide a building fire early-warning circuit, a method, equipment and a computer storage medium, aiming at improving the accuracy of building fire early-warning.
In order to achieve the above purpose, the invention provides a building fire early-warning circuit, which comprises a main circuit abnormality detection circuit, an aging processing circuit, a system-level control chip, a sub-circuit abnormality detection circuit and a fire early-warning output circuit;
The system-level control chip is respectively connected with the main circuit abnormality detection circuit, the aging processing circuit, the sub-circuit abnormality detection circuit and the fire early warning output circuit, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line;
the system comprises an aging processing circuit, a main circuit abnormality detection circuit, a system level control chip, a sub-circuit abnormality detection circuit, a fire early warning output circuit and a fire early warning output circuit, wherein the aging processing circuit is used for receiving input parameters and determining an aging parameter set based on the input parameters, the main circuit abnormality detection circuit is used for collecting main path information of a main input line, the system level control chip is used for determining main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit is used for determining secondary abnormality information of each secondary input line based on the main abnormality information, the system level control chip is used for determining target abnormality information according to the aging parameter set and the secondary abnormality information and generating early warning instructions, and the fire early warning output circuit is used for carrying out building fire early warning based on the early warning instructions.
Optionally, the main circuit abnormality detection circuit includes a main detection chip, a main current detection chip, a main voltage detection chip and a main temperature sensor,
The input end of the main current detection chip and the input end of the main voltage detection chip are respectively connected with the main input line, the main temperature sensor is arranged on the main input line, the output end of the main current detection chip, the output end of the main voltage detection chip and the main temperature sensor are respectively connected with the main detection chip, and the main detection chip is connected with the system-level control chip;
the main current detection chip is used for collecting main current information of the main input line, the main voltage detection chip is used for collecting main voltage information of the main input line, the main temperature sensor is used for collecting main temperature information of the main input line, and the main detection chip is used for summarizing the main current information, the main voltage information and the main temperature information to obtain main path information.
Optionally, the aging processing circuit comprises an external input unit, a parameter input interface, an aging processing chip and a counter unit, wherein the counter unit comprises a reset switch and a counter;
the external input unit, the parameter input interface, the aging processing chip and the system level control chip are connected in sequence, and the reset switch, the counter and the aging processing chip are connected;
The external input unit is used for inputting user parameters and transmitting the user parameters to the aging processing chip through the parameter input interface, the counter is used for collecting timing information, and the aging processing chip is used for determining the input parameters based on the user parameters and the timing information and determining an aging parameter set corresponding to the input parameters, wherein the input parameters comprise power parameters, current parameters, voltage parameters and temperature parameters.
Optionally, the branch circuit abnormality detection circuit includes a branch circuit selection circuit and a branch circuit detection circuit, the branch circuit selection circuit includes at least one selector, a selection end of the selector is connected with the system level control chip, an input end of the selector is connected with an input end of each secondary input line, an output end of the selector is connected with the branch circuit detection circuit and an output end of each secondary input line, and the selector is used for determining conduction information according to the main abnormality information.
Optionally, the branch detection circuit comprises a secondary detection chip, a secondary current detection chip, a secondary voltage detection chip and a secondary temperature sensor,
the input end of the secondary current detection chip and the input end of the secondary voltage detection chip are respectively connected with the output end of the selector, the secondary temperature sensor is arranged on each secondary input line, the output end of the secondary current detection chip, the output end of the secondary voltage detection chip and the secondary temperature sensor are respectively connected with the secondary detection chip, and the secondary detection chip is connected with the system-level control chip;
The secondary current detection chip is used for determining an acquired target branch based on the conduction information and acquiring secondary current information of the target branch, the secondary voltage detection chip is used for acquiring secondary voltage information of the target branch, the secondary temperature sensor is used for acquiring secondary temperature information of the target branch, and the secondary detection chip is used for summarizing the secondary current information, the secondary voltage information and the secondary temperature information to obtain secondary abnormal information.
Optionally, the fire early warning output circuit comprises an early warning processing chip, a current limiting chip and an early warning lamp;
the early warning processing chip is respectively connected with the system-level control chip, the control end of the current limiting chip and the early warning lamp, the input end of the current limiting chip is connected with the input end of the selector, and the output end of the current limiting chip is connected with the output end of the selector;
the early warning processing chip is used for determining a first current limiting control instruction and a second early warning control instruction according to the early warning instruction, the current limiting chip is used for carrying out current limiting protection according to the first current limiting control instruction, and the early warning lamp is used for carrying out building fire early warning protection according to the second early warning control instruction.
In addition, in order to achieve the above object, the present invention further provides a building fire early-warning method, the building fire early-warning method is applied to the building fire early-warning circuit, and the steps of the converter method include:
acquiring input parameters based on an aging processing circuit, and determining an aging parameter set corresponding to the input parameters;
acquiring main path information acquired by a main circuit abnormality detection circuit, and determining main abnormality information according to the main path information and the aging parameter set through the system level control chip;
secondary abnormal information acquired by a sub-circuit abnormal detection circuit is acquired, and target abnormal information is determined through the system level control chip according to the main circuit information and the aging parameter set;
and generating a corresponding early warning instruction based on the target abnormal information, and carrying out building fire early warning based on the early warning instruction.
Optionally, the step of determining, by the system level control chip, main anomaly information according to the main path information and the aging parameter set includes:
determining a temperature threshold value in the aging parameter set in the system-level control chip, and determining a temperature value of the main path information;
if the temperature value is not smaller than the temperature threshold value, determining an early warning voltage threshold value, an early warning current threshold value and an early warning power threshold value in the aging parameter set, and determining a voltage value, a current value and a power value in the main path information;
If the voltage value, the current value and the power value are larger than the early warning voltage threshold value, the early warning current threshold value and the early warning power threshold value, and the duration is larger than a preset time threshold value;
and determining that the main channel information has abnormal information as main abnormal information.
In addition, in order to achieve the above purpose, the present application further provides a building fire early-warning device, where the building fire early-warning device includes a memory, a processor, and a building fire early-warning program stored in the memory and capable of running on the processor, and the building fire early-warning program when executed by the processor implements the steps of the building fire early-warning method.
In addition, in order to achieve the above purpose, the present application further provides a computer storage medium, where a building fire early-warning program is stored on the computer storage medium, and the building fire early-warning program is executed by a processor to implement the steps of the building fire early-warning method.
The invention provides a building fire early-warning circuit, which comprises a main circuit abnormality detection circuit, an aging processing circuit, a system-level control chip, a sub-circuit abnormality detection circuit and a fire early-warning output circuit, wherein the main circuit abnormality detection circuit is connected with the aging processing circuit; the system-level control chip is respectively connected with the main circuit abnormality detection circuit, the aging processing circuit, the sub-circuit abnormality detection circuit and the fire early warning output circuit, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line; the system comprises an aging processing circuit, a main circuit abnormality detection circuit, a system level control chip, a sub-circuit abnormality detection circuit, a fire early warning output circuit and a fire early warning output circuit, wherein the aging processing circuit is used for receiving input parameters and determining an aging parameter set based on the input parameters, the main circuit abnormality detection circuit is used for collecting main path information of a main input line, the system level control chip is used for determining main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit is used for determining secondary abnormality information of each secondary input line based on the main abnormality information, the system level control chip is used for determining target abnormality information according to the aging parameter set and the secondary abnormality information and generating early warning instructions, and the fire early warning output circuit is used for carrying out building fire early warning based on the early warning instructions.
In addition, the building fire early warning method obtains input parameters based on an aging processing circuit and determines an aging parameter set corresponding to the input parameters; acquiring main path information acquired by a main circuit abnormality detection circuit, and determining main abnormality information according to the main path information and the aging parameter set through the system level control chip; secondary abnormal information acquired by a sub-circuit abnormal detection circuit is acquired, and target abnormal information is determined through the system level control chip according to the main circuit information and the aging parameter set; and generating a corresponding early warning instruction based on the target abnormal information, and carrying out building fire early warning based on the early warning instruction.
And generating an aging parameter set through the input parameters, detecting the whole circuit based on the main circuit abnormality detection circuit, detecting each secondary circuit through the sub-circuit abnormality detection circuit after abnormality occurs, determining target abnormality information and generating an early warning instruction so as to realize early warning of the whole electric fire. Therefore, the phenomenon that the fuse is disconnected due to instantaneous abnormality of current or voltage in the prior art is avoided, an aging parameter set is generated through input parameters, the whole circuit is detected based on the main circuit abnormality detection circuit, the accuracy of detection basis can be guaranteed according to aging, the secondary circuits are detected through the sub-circuit abnormality detection circuit, target abnormality information is determined, an early warning instruction is generated, the specific branch is warned, the whole detection is intelligentized, and the accuracy of the whole detection is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a building fire early warning circuit according to the present invention;
FIG. 2 is a schematic diagram of a building fire early warning device in a hardware operating environment according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a main circuit anomaly detection circuit of the building fire early warning circuit of the present invention;
FIG. 4 is a schematic diagram of an aging circuit of the building fire early warning circuit of the present invention;
FIG. 5 is a schematic diagram of a circuit for detecting a sub-circuit abnormality of a building fire early warning circuit according to the present invention;
FIG. 6 is a schematic diagram of a fire early warning output circuit of the building fire early warning circuit of the present invention;
FIG. 7 is a flow chart of a building fire early warning method according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a building fire early warning circuit according to an embodiment of the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
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| 10 | Main circuit |
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| 30 | Circuit for detecting abnormality of |
40 | System |
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| 50 | Fire early |
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| 12 | Main |
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| | Reset switch | 31 | |
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| 3B | Secondary detection chip | 3C | Secondary |
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| 3D | Secondary voltage detection chip | 3E | |
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| 3F | Output end of |
3G | Input terminal of |
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| 51 | Early |
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| 53 | Current limiting |
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0003 | Processor and method for controlling the same | |
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0005 | Memory device |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
For clarity and conciseness of the following description of the embodiments, a brief description of a building fire early warning circuit is first provided:
With the development of electrical technology and various electrical appliances and large-scale electrical appliances, electrical fire also becomes an increasingly common fire factor, and thus, higher requirements are put forward for electrical safety and prevention of electrical fire, the existing building fire early warning mode generally sets a specific fuse on a total circuit, and then automatically fuses an internal circuit of the fuse when current or voltage is abnormal, and prevents fire risks by disconnecting a circuit, or periodically overhauls circuits and instruments of the whole building to realize fire prevention, or overhauls related circuits to prevent when a user finds a machine fault or a circuit fault, and the above fire prevention mode has the problem that the fire prevention is inaccurate due to the fact that a large amount of manpower is required to be invested to realize fire prevention or the use of the fuse, for example, as the circuit or the electrical appliance ages, the fuse fuses due to the increase of current or voltage, or the fuse melting point approaches to normal current, and then the fuse fuses have low accuracy of the whole fire prevention or influence on the electricity of the whole system and the use of other instruments when the current is in an upward range, so that the use of the fuse has a great influence on the use experience of the circuit is greatly reduced.
The scheme provides a building fire early warning circuit which comprises a main circuit abnormality detection circuit, an aging processing circuit, a system level control chip, a sub-circuit abnormality detection circuit and a fire early warning output circuit; the system-level control chip is respectively connected with the main circuit abnormality detection circuit, the aging processing circuit, the sub-circuit abnormality detection circuit and the fire early warning output circuit, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line; the system comprises an aging processing circuit, a main circuit abnormality detection circuit, a system level control chip, a sub-circuit abnormality detection circuit, a fire early warning output circuit and a fire early warning output circuit, wherein the aging processing circuit is used for receiving input parameters and determining an aging parameter set based on the input parameters, the main circuit abnormality detection circuit is used for collecting main path information of a main input line, the system level control chip is used for determining main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit is used for determining secondary abnormality information of each secondary input line based on the main abnormality information, the system level control chip is used for determining target abnormality information according to the aging parameter set and the secondary abnormality information and generating early warning instructions, the fire early warning output circuit is used for carrying out fire early warning based on the early warning instructions, so that the phenomenon that a fuse is disconnected due to instantaneous abnormality of current or voltage in the prior art is avoided, the aging parameter set is generated through the input parameters, the detection of the whole circuit is further ensured to ensure the accuracy of detection basis according to aging based on the detection of the main circuit abnormality detection circuit, the target abnormality information is further determined by the sub-circuit abnormality detection circuit, and then the target abnormality information is further generated, the early warning instruction is further to the specific branch is further early warning, and the whole intelligent detection is further improved.
The invention provides a building fire early warning circuit.
In an embodiment of the present invention, as shown in fig. 1, fig. 1 is a schematic diagram of a structural framework of a building fire early-warning circuit, where the building fire early-warning circuit includes a main circuit abnormality detection circuit 10, an aging processing circuit 20, a system level control chip 40, a sub-circuit abnormality detection circuit 30, and a fire early-warning output circuit 50;
the system-level control chip 40 is respectively connected with the main circuit abnormality detection circuit 10, the aging processing circuit 20, the sub-circuit abnormality detection circuit 30 and the fire early warning output circuit 50, the main circuit abnormality detection circuit 10 is connected with a main input line 60, and the sub-circuit abnormality detection circuit 30 is connected with each sub-input line 70;
the aging processing circuit 20 is configured to receive input parameters and determine an aging parameter set based on the input parameters, the main circuit abnormality detection circuit 10 is configured to collect main path information of the main input line 60, the system level control chip 40 is configured to determine main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit 30 is configured to determine secondary abnormality information of each of the secondary input lines 70 based on the main abnormality information, the system level control chip 40 is configured to determine target abnormality information according to the aging parameter set and the secondary abnormality information, and generate an early warning command, and the fire early warning output circuit 50 is configured to perform building fire early warning based on the early warning command.
In this embodiment, based on the connection mode of the circuits inside the whole building fire early warning circuit and the control and flow direction of the corresponding circuits, the ageing processing circuit 20 receives the input parameters, determines the ageing parameter set based on the input parameters, where the input parameters refer to the threshold parameters of the input parameters of the users, and may include space analog, for example, first-level ageing space (no influence or small influence on environment), second-level ageing space (moderate influence on environment) and third-level ageing space (big influence on environment), and may also refine according to the actual situation, if the same coefficient is used to determine that there is an error, and if the parameter value of the dust-free space is 80% of the actual ageing parameter, the parameter value of the corrosive gas is the actual ageing parameter, then the parameter value of the spatial variation of the corrosive gas is the actual ageing parameter, so that building fire early warning of different spaces is processed differently, and thus the accuracy of building fire early warning can be ensured, where the input parameters refer to the threshold parameters of the users, and may include space analog, for example, first-level ageing space (no influence on environment or small influence), second-level ageing space (moderate influence on environment) and third-level ageing space (big influence on environment) may also be refined according to the actual situation, the ageing parameter set refers to that each circuit branch may include at least the main branch and the main branch circuit parameters. Temperature threshold, voltage threshold, current threshold, etc. may be included. The threshold value is compared with the threshold value of the existing fuse, the threshold value is changed and changed along with time and environment, and therefore the accuracy of detecting electric fire can be guaranteed. Next, the main circuit abnormality detection circuit 10 collects main circuit information of the main input line 60, and determines main abnormality information in the system level control chip 40 according to the aging parameter set and the main circuit information, that is, detects whether the main circuit has a fire abnormality, and determines according to the aging parameter set in the system level control chip 40, the main circuit information is information such as various circuit parameter information and temperature of the main circuit, and the main abnormality information is information indicating whether the main circuit has a fire cause. When the main anomaly information has the anomaly information of the fire disaster, the secondary anomaly information of each secondary input line 70 is determined by the circuit-dividing anomaly detection circuit 30, and then the secondary anomaly information is detected in the shunt, and then the primary-stage shunt is downwards used for determining the target anomaly information in the system-level control chip 40 according to the aging parameter set and the secondary anomaly information, and an early warning instruction is generated. The secondary abnormal information is information of each branch, the information of each branch is compared with the aging parameter set to determine target abnormal information, the target abnormal information is information of an abnormal branch with fire hidden danger, and the early warning instruction is a building fire early warning instruction. Building fire early warning is finally performed in the fire early warning output circuit 50 based on the early warning instruction. And then realize whole early warning flow, guarantee the detection accuracy of different environment according to ageing during early warning, detect through the main road and then refine the detection at the branch road, and then can greatly reduced the manpower input, use system-in-a-chip or other internal clock cycle that detect or control the chip simultaneously shorter, can accomplish a lot of at 1S and detect, and then can improve the detection accuracy greatly.
Referring to fig. 8, fig. 8 is a schematic diagram of an embodiment of a building fire early warning circuit, where a dotted line is a primary input line, a solid line is a secondary input line, a primary circuit abnormality detection circuit 10 is connected to the primary input line, and a sub circuit abnormality detection circuit 30 is connected to the secondary input line. When the main circuit abnormality detection circuit 10 detects that the main input line is abnormal, the sub-circuit abnormality detection circuit 30 is controlled to sequentially detect, whether ac, ab and ad are abnormal (taking an abnormality of one sub-line as an example) is detected, when only ac is abnormal, ab and ad (here, the sub-circuit abnormality detection circuit 30 detects dg, dh, di and dj) are determined to have no fire risk, the sub-circuit abnormality detection circuit 30 detects ce and cf, and if both are not abnormal, the fire risk of a branch of an extension line of ac is determined, and the branch is processed, so that the intelligence of the whole processing can be ensured, and building fire early warning can be realized without inputting a large amount of manpower.
The embodiment provides a building fire early-warning circuit, which comprises a main circuit abnormality detection circuit, an aging processing circuit, a system-level control chip, a sub-circuit abnormality detection circuit and a fire early-warning output circuit; the system-level control chip is respectively connected with the main circuit abnormality detection circuit, the aging processing circuit, the sub-circuit abnormality detection circuit and the fire early warning output circuit, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line; the system comprises an aging processing circuit, a main circuit abnormality detection circuit, a system level control chip, a sub-circuit abnormality detection circuit, a fire early warning output circuit and a fire early warning output circuit, wherein the aging processing circuit is used for receiving input parameters and determining an aging parameter set based on the input parameters, the main circuit abnormality detection circuit is used for collecting main path information of a main input line, the system level control chip is used for determining main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit is used for determining secondary abnormality information of each secondary input line based on the main abnormality information, the system level control chip is used for determining target abnormality information according to the aging parameter set and the secondary abnormality information and generating early warning instructions, the fire early warning output circuit is used for carrying out fire early warning based on the early warning instructions, so that the phenomenon that a fuse is disconnected due to instantaneous abnormality of current or voltage in the prior art is avoided, the aging parameter set is generated through the input parameters, the detection of the whole circuit is further ensured to ensure the accuracy of detection basis according to aging based on the detection of the main circuit abnormality detection circuit, the target abnormality information is further determined by the sub-circuit abnormality detection circuit, and then the target abnormality information is further generated, the early warning instruction is further to the specific branch is further early warning, and the whole intelligent detection is further improved.
Further, in still another embodiment of the building fire early warning circuit of the present application, referring to fig. 3, fig. 3 is a schematic frame diagram of a main circuit abnormality detection circuit of the building fire early warning circuit, the main circuit abnormality detection circuit 10 includes a main detection chip 11, a main current detection chip 12, a main voltage detection chip 13 and a main temperature sensor 14,
the input end of the main current detection chip 12 and the input end of the main voltage detection chip 13 are respectively connected with the main input line 60, the main temperature sensor 14 is arranged on the main input line 60, the output end of the main current detection chip 12, the output end of the main voltage detection chip 13 and the main temperature sensor 14 are respectively connected with the main detection chip 11, and the main detection chip 11 is connected with the system-level control chip 40;
the main current detection chip 12 is configured to collect main current information of the main input line 60, the main voltage detection chip 13 is configured to collect main voltage information of the main input line 60, the main temperature sensor 14 is configured to collect main temperature information of the main input line 60, and the main detection chip 11 is configured to aggregate the main current information, the main voltage information, and the main temperature information to obtain main path information.
In the present embodiment, the main circuit abnormality detection circuit 10 mainly detects whether or not there is an abnormality in the circuit parameters of the main circuit, and at least detects the circuit parameters of the main circuit by means of the main current detection chip 12, the main voltage detection chip 13, the main temperature sensor 14, and the like. It should be noted that the various detection chips may be integrated on the same chip, for example, the current and voltage may be directly output to the system-level control chip 40 for processing, or more fire fewer devices may be included to implement the main circuit detection function. The main current detection chip 12, the main voltage detection chip 13 and the main temperature sensor 14 are used for collecting current, voltage and temperature, and collected information is summarized to obtain main path information. The main circuit information is information summary including at least temperature, current and voltage, the main voltage information is related information of main circuit voltage, the main current information is related information of main circuit current, the main temperature information is related information of main circuit temperature, voltage, current and temperature can be directly compared in the main circuit abnormality detection circuit 10, and further other detection processes such as power detection, heat detection and the like can be performed in the system level control chip 40 (which may be a multi-functional integrated single chip microcomputer chip) after meeting the requirements. The method can provide detection basis for the whole fire detection.
In yet another embodiment, referring to fig. 4, fig. 4 is a schematic frame diagram of an aging circuit of a building fire early warning circuit, the aging circuit 20 includes an external input unit 21, a parameter input interface 22, an aging chip 23, and a counter unit 24, and the counter unit 24 includes a reset switch 2B and a counter 2A;
the external input unit 21, the parameter input interface 22, the burn-in processing chip 23 and the system-in control chip 40 are sequentially connected, and the reset switch 2B, the counter 2A, which may be a timer, and the burn-in processing chip 23, which may be a multifunctional monolithic chip, are connected;
the external input unit 21 is configured to input a user parameter, and the user parameter is transmitted to the aging processing chip 23 through the parameter input interface 22, the counter 2A is configured to collect timing information, and the aging processing chip 23 is configured to determine an input parameter based on the user parameter and the timing information, and determine an aging parameter set corresponding to the input parameter, where the input parameter includes a power parameter, a current parameter, a voltage parameter, and a temperature parameter.
In this embodiment, the aging processing circuit 20 is configured to input user parameters through the external input unit 21 based on different environments or actual situations, the external input unit 21 may be a keyboard, a user terminal, etc. connected to the building fire early warning circuit, the parameter input interface 22 may be a data line interface, a wireless interface, etc., and the user parameters may include parameters input by the user, including environmental factors (progress-related coefficients of aging), currents, voltage and temperature thresholds, and time-varying change factors, such as for the currents, the change of the threshold current is i=ai+bt, where a is the environmental factor, I is an initial threshold current, B is a change factor, T is a time of use of an electric wire or an instrument, and so on. The counter 2A collects timing information, the timing information refers to the service time of the main circuit line of the whole circuit, the reset switch 2B can be pressed down to perform re-timing after the main circuit line is replaced, and finally input parameters are determined based on user parameters and the timing information, so that the input parameters at least comprise power parameters, current parameters, voltage parameters and temperature parameters, namely thresholds corresponding to the parameters, further, aging parameters of the main circuit and the branch circuit are determined based on the input parameters and serve as aging parameter sets, further, different parameters can be defined based on aging, and accuracy of whole fire detection is guaranteed. When the time of the counter reaches the replacement threshold time, a replacement instruction is output to remind a user to replace, wherein the replacement threshold time is the replacement time of the line set by the user, so that the intelligence of replacement reminding is ensured.
In an embodiment of the present invention, as shown in fig. 5, fig. 5 is a schematic diagram of a circuit for detecting a circuit abnormality of a branch circuit of a building fire early warning circuit, the circuit for detecting a circuit abnormality of a branch circuit 30 includes a branch circuit selecting circuit 31 and a branch circuit detecting circuit 32, the branch circuit selecting circuit 31 includes at least one selector 3A, a selecting end of the selector 3A is connected to the system level control chip 40, an input end of the selector 3A is connected to an input end of each of the secondary input lines 70, an output end of the selector 3A is connected to the branch circuit detecting circuit 32 and an output end of each of the secondary input lines 70, and the selector 3A is used for determining conduction information according to the primary abnormality information.
Specifically, the branch detection circuit 32 includes a sub-detection chip 3B, a sub-current detection chip 3C, a sub-voltage detection chip 3D and a sub-temperature sensor 3E,
the input end of the secondary current detection chip 3C and the input end of the secondary voltage detection chip 3D are respectively connected with the output end 3F of the selector 3A, the secondary temperature sensor 3E is arranged on each secondary input line 70, the output end of the secondary current detection chip 3C, the output end of the secondary voltage detection chip 3D and the secondary temperature sensor 3E are respectively connected with the secondary detection chip 3B, and the secondary detection chip 3B is connected with the system-level control chip 40;
The secondary current detection chip 3C is configured to determine an collected target branch based on the conduction information, collect secondary current information of the target branch, the secondary voltage detection chip 3D is configured to collect secondary voltage information of the target branch, the secondary temperature sensor 3E is configured to collect secondary temperature information of the target branch, and the secondary detection chip 3B is configured to aggregate the secondary current information, the secondary voltage information and the secondary temperature information to obtain secondary abnormal information.
In the present embodiment, the detection principle of the divided circuit abnormality detection circuit 30 is identical to that of the main circuit abnormality detection circuit 10, except that the threshold value used in the sub-circuit detection is a threshold value corresponding to the sub-circuit. Through secondary current detection chip 3C, the current detection chip can be the chip that gathers the electric current also can be comparison current chip, secondary voltage detection chip 3D, and the voltage detection chip can be the chip that gathers the voltage also can be comparison voltage chip, carries out electric current, voltage and temperature acquisition with secondary temperature sensor 3E, and then gathers the information that gathers and obtain secondary abnormal information. The selector 3A may be set according to the number of branches, and a specific high-low level number is output by the system-level control chip 40 for line gating. The secondary abnormal information is information summary including at least temperature, current and voltage, the secondary voltage information is information related to secondary path voltage, the secondary current information is information related to secondary path current, the secondary temperature information is information related to secondary path temperature, and voltage, current and temperature can be directly compared in the circuit-division abnormal detection circuit 30, and further other detection processes such as power detection, heat detection and the like can be performed in the system-level control chip 40 (which may be a multi-functional integrated single chip microcomputer chip) after meeting the requirements. The anomaly of the branch can be precisely determined for the entire fire detection. Also distinguished is that: the main circuit abnormality detection circuit 10 only needs to detect a main circuit, while the sub-circuit abnormality detection circuit 30 sequentially detects each branch circuit when the main circuit detects an abnormality, mainly based on at least one selector 3A in the branch circuit selection circuit 31, which may be a two-by-one selector, and the number of the selectors needs to correspond to the number of the branch circuits, for example, ac, ab and ad need 3 two-by-one selectors, and the detection ac switches ac into the branch circuit detection circuit 32 and other switches off; then sequentially selecting other accesses until all main paths are detected; the device can also be a multiple selector, and has the advantages that only one selector is needed, and disconnection during detection is not needed. And then can realize the detection of all branches, guarantee to be accurate to which branch has the detection of conflagration risk, and need not set for a detection circuit to every branch, and when the branch is connecting the instrument, can also be directly be connected with the check out test set of instrument, and then judge according to the check out test set's of instrument detection information, and then refine the circuit of specific instrument with whole conflagration detection, because the chip cycle is short and then improved the efficiency of detection when reducing manual detection.
In yet another embodiment, referring to fig. 6, fig. 6 is a schematic diagram of a fire early warning output circuit of a building fire early warning circuit, the fire early warning output circuit 50 includes an early warning processing chip 51, a current limiting chip 53, and an early warning lamp 52;
the early warning processing chip 51 is respectively connected with the system level control chip 40, the control end of the current limiting chip 53 and the early warning lamp 52, the input end of the current limiting chip 53 is connected with the input end 3G of the selector 3A, and the output end of the current limiting chip 53 is connected with the output end 3F of the selector;
the early warning processing chip 51 is used for determining a first current limiting control instruction and a second early warning control instruction according to the early warning instruction, the current limiting chip 53 is used for performing current limiting protection according to the first current limiting control instruction, and the early warning lamp 52 is used for performing building fire early warning protection according to the second early warning control instruction.
In this embodiment, the fire early warning output circuit 50 includes an early warning processing chip 51, which may be an integrated single chip, a current limiting chip 53, which may be a chip for fixing current limiting at B amperes or C volts, and an early warning lamp 52, which may be a diode or an LED lamp, so as to implement at least two processing modes for secondary abnormal information, on the one hand, the input end of the current limiting chip 53 is connected with the input end 3G of the selector 3A, and the output end of the current limiting chip 53 is connected with the output end 3F of the selector, so that a first current limiting control instruction in the early warning instruction can be determined, and further current limiting is performed on the branch, where the first current limiting control instruction refers to an instruction for limiting current, and also the voltage limiting instruction can be determined at the connection voltage limiting chip to perform voltage limiting. And then can guarantee that each instrument that has the conflagration risk normally works basically, guaranteed user experience, and then can avoid the user to stop work suddenly in the use, cause the work progress of user to be interrupted the phenomenon. On the other hand, the second early warning control instruction is determined, and then the early warning lamp 52 is controlled to perform early warning through the second early warning control instruction, wherein the second early warning control instruction is an instruction for controlling the early warning lamp 52 to work and fire to be lighted, and then personnel can be reminded to perform timely maintenance.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 2, fig. 2 is a schematic structural diagram of building fire early warning equipment in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 2, the building fire early warning apparatus may include: processor 0003, e.g. central processing unit (Central Processing Unit, CPU), communication bus 0001, fetch interface 0002, processing interface 0004, memory 0005. Wherein a communication bus 0001 is used to enable connected communication between these components. Acquisition interface 0002 may comprise an information acquisition system, an acquisition unit such as a computer, and optional acquisition interface 0002 may also comprise a standard wired interface, a wireless interface. Processing interface 0004 may optionally comprise a standard wired interface, a wireless interface. The Memory 0005 may be a high-speed random access Memory (RandomAccess Memory, RAM) or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 0005 may alternatively be a memory system separate from the aforementioned processor 0003.
It will be appreciated by those skilled in the art that the structure shown in fig. 2 is not limiting of the building fire early warning apparatus and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
As shown in fig. 2, an operating system, an acquisition interface module, a processing interface module, and a building fire warning program may be included in a memory 0005 as a computer storage medium.
In the building fire early warning apparatus shown in fig. 2, the communication bus 0001 is mainly used to realize connection communication between components; the acquisition interface 0002 is mainly used for connecting a background server and carrying out data communication with the background server; the processing interface 0004 is mainly used for connecting a deployment end (user end) and carrying out data communication with the deployment end; the processor 0003 and the memory 0005 in the building fire early-warning device can be arranged in the building fire early-warning device, and the building fire early-warning device calls the building fire early-warning program stored in the memory 0005 through the processor 0003 and executes the building fire early-warning method provided by the embodiment of the invention.
The embodiment of the building fire early warning method is provided based on the embodiment of the building fire early warning circuit.
Referring to fig. 7, fig. 7 is a flow chart of an embodiment of a building fire early warning method according to the present invention. As shown in fig. 7, the building fire early warning method of the present invention includes the steps of:
step S10, acquiring input parameters based on an aging processing circuit, and determining an aging parameter set corresponding to the input parameters;
Step S20, main circuit information acquired by a main circuit abnormality detection circuit is acquired, and main abnormality information is determined through the system level control chip according to the main circuit information and the aging parameter set;
in this embodiment, the input parameters input by the aging processing circuit are obtained, and the aging parameter set corresponding to the input parameters is determined. And main circuit information acquired by the main circuit abnormality detection circuit is used for determining main abnormality information according to the main circuit information and the aging parameter set through the system level control chip. The input parameters are threshold parameters of parameters input by a user, the aging parameter set is a circuit threshold parameter set of a branch circuit and a main circuit, the main circuit information is information related to a circuit of the main circuit, the main abnormal information is judgment of whether the main circuit is abnormal or not, and whether the branch circuit is detected or not can be determined according to the judgment of whether the main circuit is abnormal or not, so that the detection cost can be greatly reduced. The step of determining main abnormal information by the system level control chip according to the main path information and the aging parameter set comprises the following steps:
step S21, determining a temperature threshold value in the aging parameter set in the system-level control chip, and determining a temperature value of the main path information;
Step S22, if the temperature value is not smaller than the temperature threshold value, determining an early warning voltage threshold value, an early warning current threshold value and an early warning power threshold value in an aging parameter set, and determining a voltage value, a current value and a power value in the main circuit information;
step S23, if the voltage value, the current value and the power value are larger than the early warning voltage threshold value, the early warning current threshold value and the early warning power threshold value, and the duration is larger than a preset time threshold value;
step S24, determining that the main path information contains abnormal information as main abnormal information.
In this embodiment, the temperature threshold value in the aging parameter set is determined in the system level control chip, the temperature value of the main path information is determined, and when the temperature value is not less than the temperature threshold value, the early warning voltage threshold value, the early warning current threshold value and the early warning power threshold value are determined, and meanwhile, the voltage value, the current value and the power value in the main path information are determined. The temperature threshold value refers to the maximum temperature value of the main path, the temperature value refers to the temperature value of the main path, the early warning voltage threshold value, the early warning current threshold value and the early warning power threshold value refer to the maximum voltage, the current and the power value of the main path, and further when the current, the voltage and the power are all out of compliance, or both are out of compliance, or a specific detection current is out of compliance, abnormal information in main path information is determined to be used as main abnormal information, that is, fire risk of the main path information is determined, and further the next detection is performed.
Step S30, secondary abnormal information acquired by a sub-circuit abnormal detection circuit is acquired, and target abnormal information is determined through the system level control chip according to the main circuit information and the aging parameter set;
and step S40, generating a corresponding early warning instruction based on the target abnormal information, and carrying out building fire early warning based on the early warning instruction.
In this embodiment, when secondary circuit detection is required, secondary abnormality information acquired by the sub-circuit abnormality detection circuit is acquired, and target abnormality information is determined by the system level control chip according to main circuit information and the aging parameter set. The step of determining the target abnormal information according to the main path information and the aging parameter set by the system level control chip is consistent with the step of determining the main abnormal information according to the main path information and the aging parameter set, but the judgment basis is a threshold value of a secondary path voltage, a current threshold value and the like, and other judgment modes can be adopted when the judgment is performed, for example, the heat productivity is judged according to the collected current and voltage, and the judgment is not limited. The secondary abnormal information refers to information of each branch, and the target abnormal information refers to information of a branch whose branch information satisfies fire risk. When the secondary abnormal information is acquired, the selector is controlled to sequentially check each branch, and the selector can ensure that current limiting or voltage limiting treatment is performed when a plurality of branches are abnormal at the same time by using two choices. Finally, corresponding early warning instructions are generated based on the target abnormal information, building fire warning is conducted based on the early warning instructions, the early warning instructions control instructions of the current limiting chip 53 and the early warning lamp 52, and then a plurality of current limiting chips 53 can exist so as to limit current to a plurality of branches, and further the whole detection and processing efficiency can be guaranteed.
The embodiment provides a building fire early warning method, which is based on an aging processing circuit to acquire input parameters and determine an aging parameter set corresponding to the input parameters; acquiring main path information acquired by a main circuit abnormality detection circuit, and determining main abnormality information according to the main path information and the aging parameter set through the system level control chip; secondary abnormal information acquired by a sub-circuit abnormal detection circuit is acquired, and target abnormal information is determined through the system level control chip according to the main circuit information and the aging parameter set; generating corresponding early warning instructions based on the target abnormal information, carrying out building fire early warning based on the early warning instructions, generating an aging parameter set through input parameters, detecting the whole circuit based on a main circuit abnormal detection circuit, detecting each secondary circuit through a sub-circuit abnormal detection circuit after the abnormality occurs, further determining the target abnormal information and generating early warning instructions, and realizing early warning of the whole electric fire. Therefore, the phenomenon that the fuse is disconnected due to instantaneous abnormality of current or voltage in the prior art is avoided, an aging parameter set is generated through input parameters, the whole circuit is detected based on the main circuit abnormality detection circuit, the accuracy of detection basis can be guaranteed according to aging, the secondary circuits are detected through the sub-circuit abnormality detection circuit, target abnormality information is determined, an early warning instruction is generated, the specific branch is warned, the whole detection is intelligentized, and the accuracy of the whole detection is improved.
The application also provides building fire early warning equipment.
The application device comprises: the system comprises a memory, a processor and a building fire early-warning program which is stored in the memory and can run on the processor, wherein the building fire early-warning program realizes the steps of the building fire early-warning method when being executed by the processor.
In one embodiment, the building fire early-warning device comprises a main board, wherein the building fire early-warning circuit is arranged on the main board and is connected with the main input line and each secondary input line;
in an embodiment, the building fire early-warning device comprises a main circuit main board and a branch circuit main board, wherein a main circuit abnormality detection circuit, an aging processing circuit and a fire early-warning output circuit in the building fire early-warning circuit are arranged on the main circuit main board and are connected with the main input line, and a secondary circuit abnormality detection circuit in the building fire early-warning circuit is arranged on the branch circuit main board and is connected with each secondary input line.
The application also provides a computer storage medium.
The building fire early-warning program is stored on the computer storage medium, and the steps of the building fire early-warning method are realized when the building fire early-warning program is executed by the processor.
The method implemented when the building fire early-warning program running on the processor is executed may refer to various embodiments of the building fire early-warning method of the present application, which are not described herein again. It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. The building fire early-warning circuit is characterized by comprising a main circuit abnormality detection circuit, an aging processing circuit, a system-level control chip, a sub-circuit abnormality detection circuit and a fire early-warning output circuit;
the system-level control chip is respectively connected with the main circuit abnormality detection circuit, the aging processing circuit, the sub-circuit abnormality detection circuit and the fire early warning output circuit, the main circuit abnormality detection circuit is connected with a main input line, and the sub-circuit abnormality detection circuit is connected with each secondary input line;
the system comprises an aging processing circuit, a main circuit abnormality detection circuit, a system level control chip, a sub-circuit abnormality detection circuit, a fire early warning output circuit and a fire early warning output circuit, wherein the aging processing circuit is used for receiving input parameters and determining an aging parameter set based on the input parameters, the main circuit abnormality detection circuit is used for collecting main path information of a main input line, the system level control chip is used for determining main abnormality information according to the aging parameter set and the main path information, the sub-circuit abnormality detection circuit is used for determining secondary abnormality information of each secondary input line based on the main abnormality information, the system level control chip is used for determining target abnormality information according to the aging parameter set and the secondary abnormality information and generating early warning instructions, and the fire early warning output circuit is used for carrying out building fire early warning based on the early warning instructions.
2. The building fire early warning circuit according to claim 1, wherein the main circuit abnormality detection circuit includes a main detection chip, a main current detection chip, a main voltage detection chip, and a main temperature sensor,
the input end of the main current detection chip and the input end of the main voltage detection chip are respectively connected with the main input line, the main temperature sensor is arranged on the main input line, the output end of the main current detection chip, the output end of the main voltage detection chip and the main temperature sensor are respectively connected with the main detection chip, and the main detection chip is connected with the system-level control chip;
the main current detection chip is used for collecting main current information of the main input line, the main voltage detection chip is used for collecting main voltage information of the main input line, the main temperature sensor is used for collecting main temperature information of the main input line, and the main detection chip is used for summarizing the main current information, the main voltage information and the main temperature information to obtain main path information.
3. The building fire early warning circuit of claim 2, wherein the aging processing circuit comprises an external input unit, a parameter input interface, an aging processing chip, and a counter unit, the counter unit comprising a reset switch and a counter;
The external input unit, the parameter input interface, the aging processing chip and the system level control chip are connected in sequence, and the reset switch, the counter and the aging processing chip are connected;
the external input unit is used for inputting user parameters and transmitting the user parameters to the aging processing chip through the parameter input interface, the counter is used for collecting timing information, and the aging processing chip is used for determining the input parameters based on the user parameters and the timing information and determining an aging parameter set corresponding to the input parameters, wherein the input parameters comprise power parameters, current parameters, voltage parameters and temperature parameters.
4. The building fire early warning circuit according to claim 3, wherein the branch circuit abnormality detection circuit includes a branch circuit selection circuit and a branch circuit detection circuit, the branch circuit selection circuit includes at least one selector, a selection end of the selector is connected to the system level control chip, an input end of the selector is connected to an input end of each of the secondary input lines, an output end of the selector is connected to the branch circuit detection circuit and an output end of each of the secondary input lines, and the selector is configured to determine conduction information according to the main abnormality information.
5. The building fire early warning circuit of claim 4, wherein the branch detection circuit comprises a secondary detection chip, a secondary current detection chip, a secondary voltage detection chip and a secondary temperature sensor,
the input end of the secondary current detection chip and the input end of the secondary voltage detection chip are respectively connected with the output end of the selector, the secondary temperature sensor is arranged on each secondary input line, the output end of the secondary current detection chip, the output end of the secondary voltage detection chip and the secondary temperature sensor are respectively connected with the secondary detection chip, and the secondary detection chip is connected with the system-level control chip;
the secondary current detection chip is used for determining an acquired target branch based on the conduction information and acquiring secondary current information of the target branch, the secondary voltage detection chip is used for acquiring secondary voltage information of the target branch, the secondary temperature sensor is used for acquiring secondary temperature information of the target branch, and the secondary detection chip is used for summarizing the secondary current information, the secondary voltage information and the secondary temperature information to obtain secondary abnormal information.
6. The building fire early warning circuit of claim 5, wherein the fire early warning output circuit comprises an early warning processing chip, a current limiting chip and an early warning lamp;
The early warning processing chip is respectively connected with the system-level control chip, the control end of the current limiting chip and the early warning lamp, the input end of the current limiting chip is connected with the input end of the selector, and the output end of the current limiting chip is connected with the output end of the selector;
the early warning processing chip is used for determining a first current limiting control instruction and a second early warning control instruction according to the early warning instruction, the current limiting chip is used for carrying out current limiting protection according to the first current limiting control instruction, and the early warning lamp is used for carrying out building fire early warning protection according to the second early warning control instruction.
7. A building fire early-warning method, characterized in that the building fire early-warning method is applied to the building fire early-warning circuit of any one of claims 1 to 6, the steps of the building fire early-warning method comprising:
acquiring input parameters based on an aging processing circuit, and determining an aging parameter set corresponding to the input parameters;
acquiring main path information acquired by a main circuit abnormality detection circuit, and determining main abnormality information according to the main path information and the aging parameter set through the system level control chip;
secondary abnormal information acquired by a sub-circuit abnormal detection circuit is acquired, and target abnormal information is determined through the system level control chip according to the main circuit information and the aging parameter set;
And generating a corresponding early warning instruction based on the target abnormal information, and carrying out building fire early warning based on the early warning instruction.
8. The building fire early warning method of claim 7, wherein the step of determining main anomaly information by the system level control chip according to the main road information and the aging parameter set comprises:
determining a temperature threshold value in the aging parameter set in the system-level control chip, and determining a temperature value of the main path information;
if the temperature value is not smaller than the temperature threshold value, determining an early warning voltage threshold value, an early warning current threshold value and an early warning power threshold value in the aging parameter set, and determining a voltage value, a current value and a power value in the main path information;
if the voltage value, the current value and the power value are larger than the early warning voltage threshold value, the early warning current threshold value and the early warning power threshold value, and the duration is larger than a preset time threshold value;
and determining that the main channel information has abnormal information as main abnormal information.
9. A building fire early warning device, characterized in that the building fire early warning device comprises: a memory, a processor and a building fire early warning program stored on the memory and operable on the processor, which when executed by the processor, implements the steps of the building fire early warning method of any one of claims 7 to 8.
10. A computer storage medium, wherein a building fire early warning program is stored on the computer storage medium, and when executed by a processor, the building fire early warning program implements the steps of the building fire early warning method according to any one of claims 7 to 8.
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