CN113870517A - Electrical fire monitoring system and monitoring method thereof - Google Patents

Electrical fire monitoring system and monitoring method thereof Download PDF

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Publication number
CN113870517A
CN113870517A CN202111291680.3A CN202111291680A CN113870517A CN 113870517 A CN113870517 A CN 113870517A CN 202111291680 A CN202111291680 A CN 202111291680A CN 113870517 A CN113870517 A CN 113870517A
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China
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electrical fire
monitoring
chip microcomputer
communication circuit
fire monitoring
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奚焕君
宗寿松
马君
任晨耀
吴若菡
袁杰
严杰
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Acrel Co Ltd
Jiangsu Acrel Electrical Manufacturing Co Ltd
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Acrel Co Ltd
Jiangsu Acrel Electrical Manufacturing Co Ltd
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Priority to CN202111291680.3A priority Critical patent/CN113870517A/en
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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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

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  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)

Abstract

本发明涉及的一种电气火灾监控系统及其监控方法，它包括电气火灾监控设备和多个集中显示单元以及多个一体式互感器，所述电气火灾监控设备分别连接多个集中显示单元，每个集中显示单元连接多个一体式互感器，所述集中显示单元分别连接温度传感器和漏电流互感器，所述一体式互感器分别连接温度传感器和漏电流互感器；所述电气火灾监控设备1包括单片机，单片机与人机交互界面、RS232通讯电路、网口通讯电路、二总线通讯电路和RS485通讯电路数据互连，人机交互界面包括按键、指示灯、液晶显示屏等，所述单片机还连接有USB接口和SD卡数据存储模块；单片机连接开关量输出；开关电源连接单片机，输出电压供电。本发明应用于小型场所，便捷高效。

Figure 202111291680

The present invention relates to an electrical fire monitoring system and a monitoring method, comprising electrical fire monitoring equipment, a plurality of centralized display units and a plurality of integrated transformers, wherein the electrical fire monitoring equipment is respectively connected with a plurality of centralized display units, each Each centralized display unit is connected to a plurality of integrated transformers, the centralized display units are respectively connected to temperature sensors and leakage current transformers, and the integrated transformers are respectively connected to temperature sensors and leakage current transformers; the electrical fire monitoring equipment 1 Including single-chip microcomputer, single-chip computer and human-computer interaction interface, RS232 communication circuit, network port communication circuit, two-bus communication circuit and RS485 communication circuit data interconnection, human-computer interaction interface includes buttons, indicator lights, liquid crystal display screen, etc. The single-chip microcomputer also A USB interface and an SD card data storage module are connected; the single-chip microcomputer is connected to the switching output; the switching power supply is connected to the single-chip computer, and the output voltage is supplied for power supply. The invention is applied to small places and is convenient and efficient.

Figure 202111291680

Description

Electrical fire monitoring system and monitoring method thereof
Technical Field
The invention relates to the technical field of fire monitoring systems, in particular to an electrical fire monitoring system applied to small and miniature places and a monitoring method thereof.
Background
With the rapid development of the modern technology level, the pace of the social and national urbanization development is rapidly advancing. In the process, electric energy is very important energy, so that the current society cannot be powered on at all, human beings cannot be powered on at all, and the utilization rate of the electricity by the human beings tends to increase every year. Therefore, it is important to use electricity safely and regularly in life and production. With the increase of human power consumption consciousness, dangerous events caused by non-standard power consumption are reduced every year, frequent occurrence of fire and electricity cannot be checked without daily potential safety hazards, and fire fighting and control become the most important safety work in order to avoid electrical fire.
At present, most of electric fire monitoring equipment in the market is matched with two hosts, namely a piano desk type host and a wall-mounted host, or the electric fire monitoring system and the monitoring method thereof are set up only by the wall-mounted host in small places.
The piano-desk type product market is generally a metal cabinet, which comprises parts such as an industrial personal computer, a communication circuit board and the like; the data of the lower-end wall-mounted monitoring extension is collected through network cable connection, and the electric fire monitoring system and the monitoring method thereof on the industrial personal computer display the data of residual current, temperature, fault arc, electric energy and the like collected by the terminal; in general, the functions are very powerful and complete; one table main machine can be connected with 32 extension machines at least, one extension machine can be connected with 256 point positions at most, and the table main machine is generally applied to large group buildings.
However, in some small and micro places and single buildings, the equipment connected with the terminal is not at many points, so that the waste of host resources is caused; and the host computer of the desk-top of musical instrument and hanging extension are all very expensive, to the wasting of resources of user.
The market also has an electric fire system applied to small-size monomer building, and data of a wall-mounted host computer is collected through RS485 communication terminal equipment, and information is displayed for the user on the display screen of the wall-mounted host computer, and the wall-mounted host computer generally comprises parts such as a display screen (an android screen, a dot matrix liquid crystal screen and the like), a switching power supply, a circuit board, a printer, a lead-acid battery or a lithium battery and the like. This application has two disadvantages. Firstly, the wall-mounted host has large volume and light weight, and meets certain requirements for installation of customers; second, the cost of wall-mounted hosts is also high.
Disclosure of Invention
The invention aims to overcome the defects and provides an electrical fire monitoring system and a monitoring method thereof, and the electrical fire monitoring system and the monitoring method thereof applied to small and miniature places are provided.
The purpose of the invention is realized as follows:
an electrical fire monitoring system and a monitoring method thereof comprise electrical fire monitoring equipment, a plurality of centralized display units and a plurality of integrated transformers, wherein the electrical fire monitoring equipment is respectively connected with the centralized display units, each centralized display unit is connected with the plurality of integrated transformers, the centralized display units are respectively connected with a temperature sensor and a leakage current transformer, and the integrated transformers are respectively connected with the temperature sensor and the leakage current transformer; the electric fire monitoring equipment 1 comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface, an RS232 communication circuit, a network port communication circuit, a two-bus communication circuit and an RS485 communication circuit, the human-computer interaction interface comprises keys, an indicator lamp, a liquid crystal display screen and the like, and the single chip microcomputer is also connected with a USB interface and an SD card data storage module; the singlechip is connected with the switching value output; the switch power supply is connected with the singlechip and outputs voltage for power supply.
Furthermore, the centralized display unit comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface, an RS232 communication circuit, a network port communication circuit, a two-bus communication circuit and an RS485 communication circuit, the human-computer interaction interface comprises keys, an indicator lamp, a liquid crystal display screen and the like, and the single chip microcomputer is also connected with a USB interface and an SD card data storage module; the singlechip is connected with the switching value output; the switch power supply is connected with the singlechip and outputs voltage for power supply.
Furthermore, the integrated mutual inductor comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface and two bus communication circuits, and the single chip microcomputer is further connected with a temperature sampling module and an electric leakage sampling module.
A monitoring method of an electrical fire monitoring system comprises the following steps:
the electric fire monitoring system is adopted;
the method comprises the following monitoring alarm items:
a. residual current failure: a failed cell attribute;
b. and (3) temperature overtemperature alarm: a failed cell attribute;
the fault alarm items comprise:
a. a communication connecting line between the monitoring equipment and the detector is broken or short-circuited;
b. the connecting lines among the detector, the residual current sensor and the temperature sensor are broken or short-circuited;
the method comprises the following self-checking items:
a. and (3) checking an indicator light: alarming, failure and operation;
b. display screen inspection and sound inspection;
the event record comprises the following events:
a. recording the content: recording the type, the occurrence time, the detector number, the area and the fault description;
b. recording and inquiring: inquiring according to conditions such as date and type of records;
comprises the following steps:
a. daily class: monitoring the real-time state and inquiring event records;
b. monitoring the operation level: monitoring real-time state, inquiring event record, remotely resetting a detector and self-checking equipment;
c. a system management level: the method comprises the steps of real-time state monitoring, event record inquiry, remote detector resetting, equipment self-checking, monitoring equipment system parameter inquiry, independent detection of each module of the monitoring equipment, and addition and deletion of operators.
Further, the monitoring alarm response time does not exceed 10 seconds.
Further, the fault alarm response time does not exceed 100 seconds.
Further, the self-test project takes no more than 60 seconds.
Further, the alarm control output of the electrical fire monitoring system is: two groups of normally open passive contacts are arranged; the contact point capacity is AC 220V/1A, DC 30V/1A.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an electrical fire monitoring system and a monitoring method thereof, wherein an electrical fire monitoring host and a centralized display unit are designed into the same appearance size as an instrument, RS485 bus communication is adopted, and monitoring equipment can monitor 32 monitoring units (detectors) at most; can be connected with an ARCM series monitoring detector; compared with the large size of the electrical cabinet of the existing monitoring system, the electrical cabinet is small and convenient in appearance; the installation mode can support the guide rail and wall-mounted installation. The invention reduces the cost of the monitoring system, the market price of the existing set of host computers is at least 2 ten thousand yuan, and the cost of the monitoring system of the invention is estimated within two thousand yuan.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of an electrical fire monitoring apparatus of the present invention.
Fig. 3 is a functional block diagram of an electrical fire monitoring apparatus of the present invention.
Fig. 4 is a front view of the centralized display unit of the present invention.
FIG. 5 is a functional block diagram of a centralized display unit of the present invention.
Fig. 6 is a functional block diagram of the integrated instrument transformer of the present invention.
Wherein:
the system comprises an electrical fire monitoring device 1, a centralized display unit 2, an integrated transformer 3, a temperature sensor 4 and a leakage current transformer 5.
Detailed Description
For a better understanding of the technical aspects of the present invention, reference will now be made in detail to the accompanying drawings. It should be understood that the following specific examples are not intended to limit the embodiments of the present invention, but are merely exemplary embodiments of the present invention. It should be noted that the description of the positional relationship of the components, such as the component a is located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1:
referring to fig. 1-6, fig. 1 depicts a schematic of the structure of the present invention. As shown in the figures, the electrical fire monitoring system comprises an electrical fire monitoring device 1, a plurality of centralized display units 2 and a plurality of integrated transformers 3, wherein the electrical fire monitoring device 1 is respectively connected with the three centralized display units 2, each centralized display unit 2 is connected with the plurality of integrated transformers 3, the centralized display units 2 are respectively connected with a temperature sensor 4 and a leakage current transformer 5, and the integrated transformers 3 are respectively connected with the temperature sensor 4 and the leakage current transformer 5.
The electric fire monitoring equipment 1 comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface, an RS232 communication circuit, a network port communication circuit, a two-bus communication circuit and an RS485 communication circuit, the human-computer interaction interface comprises keys, an indicator lamp, a liquid crystal display screen and the like, and the single chip microcomputer is also connected with a USB interface and an SD card data storage module; the singlechip is connected with the switching value output; the switch power supply is connected with the singlechip and outputs voltage for power supply.
The rated working voltage of the switching power supply is AC 220V (85% -110%);
the electrical fire monitoring equipment 1 works for 24 hours;
the communication mode of the electrical fire monitoring equipment 1 comprises RS485 bus communication, a Modbus-RTU communication protocol and a transmission distance of 1Km, and the communication transmission distance can be prolonged through a repeater;
monitoring capacity of the electrical fire monitoring apparatus 1: the monitoring equipment can monitor 32 monitoring units (detectors) at most; an ARCM series monitoring detector can be connected.
Monitoring alarm items of the electrical fire monitoring apparatus 1:
(1) residual current failure (leakage): failure unit attributes (location, type);
(2) temperature alarm (overtemperature): failure unit attributes (location, type);
(3) monitoring alarm response time: less than or equal to 10s
(4) Monitoring alarm sound pressure level (a weighted): not less than 70 dB/Im
(5) Monitoring alarm light display: red LED indicator light, red light alarm signal should be kept until manual reset
(6) Monitoring an alarm sound signal: can be manually eliminated, and can be started again when an alarm signal is input again.
Failure alarm items of the electrical fire monitoring apparatus 1:
(1) a communication connecting line between the monitoring equipment and the detector is broken or short-circuited;
(2) the connecting lines among the detector, the residual current sensor and the temperature sensor are broken or short-circuited;
(3) fault alarm response time: less than or equal to 100 s;
(4) monitoring alarm sound pressure level (a weighted): more than or equal to 70 dB/Im;
(5) monitoring alarm light display: a yellow LED indicator light, wherein a yellow light alarm signal is required to be kept until the fault is eliminated;
(6) fault alarm sound signal: the alarm signal can be manually eliminated, and can be started again when the alarm signal is input again;
(7) during a fault, normal operation of the non-faulted loop is not affected.
The control output of the electrical fire monitoring apparatus 1:
and (3) alarm control output: 2 groups of normally open passive contacts; the contact point capacity is AC 220V/1A, DC 30V/1A.
The self-checking project of the electrical fire monitoring equipment 1 is as follows:
(1) and (3) checking an indicator light: alarming, failure and operation;
(2) display screen inspection and sound inspection;
(3) the self-checking time is less than or equal to 60 s.
Event logging of the electrical fire monitoring device 1:
(1) recording the content: record type, time of occurrence, probe number, zone, fault description, etc.
(2) Recording and inquiring: and inquiring according to conditions such as date and type of records.
The operation of the electrical fire monitoring apparatus 1 is classified:
(1) daily class: monitoring the real-time state and inquiring event records;
(2) monitoring the operation level: monitoring real-time state, inquiring event record, remotely resetting a detector and self-checking equipment;
(3) a system management level: the method comprises the steps of real-time state monitoring, event record inquiry, remote detector resetting, equipment self-checking, monitoring equipment system parameter inquiry, individual detection of each module of the monitoring equipment, and addition and deletion of operators.
The centralized display unit 2 comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface, an RS232 communication circuit, a network port communication circuit, a two-bus communication circuit and an RS485 communication circuit, the human-computer interaction interface comprises keys, an indicator lamp, a liquid crystal display screen and the like, and the single chip microcomputer is also connected with a USB interface and an SD card data storage module; the singlechip is connected with the switching value output; the switch power supply is connected with the singlechip and outputs voltage for power supply.
The integrated mutual inductor 3 comprises a single chip microcomputer, the single chip microcomputer is in data interconnection with a human-computer interaction interface and two bus communication circuits, and the single chip microcomputer is connected with a temperature sampling module and an electric leakage sampling module.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (8)

1.一种电气火灾监控系统，其特征在于：它包括电气火灾监控设备和多个集中显示单元以及多个一体式互感器，所述电气火灾监控设备分别连接多个集中显示单元，每个集中显示单元连接多个一体式互感器，所述集中显示单元分别连接温度传感器和漏电流互感器，所述一体式互感器分别连接温度传感器和漏电流互感器；所述电气火灾监控设备1包括单片机，单片机与人机交互界面、RS232通讯电路、网口通讯电路、二总线通讯电路和RS485通讯电路数据互连，人机交互界面包括按键、指示灯、液晶显示屏等，所述单片机还连接有USB接口和SD卡数据存储模块；单片机连接开关量输出；开关电源连接单片机，输出电压供电。1. An electrical fire monitoring system is characterized in that: it comprises electrical fire monitoring equipment and a plurality of centralized display units and a plurality of integrated transformers, and the electrical fire monitoring equipment is connected with a plurality of centralized display units respectively, and each centralized display unit. The display unit is connected to a plurality of integrated transformers, the centralized display unit is respectively connected to a temperature sensor and a leakage current transformer, and the integrated transformer is respectively connected to a temperature sensor and a leakage current transformer; the electrical fire monitoring equipment 1 includes a single-chip microcomputer , the data interconnection between the single-chip microcomputer and the human-computer interaction interface, the RS232 communication circuit, the network port communication circuit, the two-bus communication circuit and the RS485 communication circuit, the human-computer interaction interface includes buttons, indicator lights, liquid crystal display screens, etc. The USB interface and SD card data storage module; the single-chip microcomputer is connected to the switch output; the switching power supply is connected to the single-chip computer, and the output voltage is supplied. 2.根据权利要求1所述的一种电气火灾监控系统，其特征在于：所述集中显示单元包括单片机，单片机与人机交互界面、RS232通讯电路、网口通讯电路、二总线通讯电路和RS485通讯电路数据互连，人机交互界面包括按键、指示灯、液晶显示屏等，所述单片机还连接有USB接口和SD卡数据存储模块；单片机连接开关量输出；开关电源连接单片机，输出电压供电。2. An electrical fire monitoring system according to claim 1, characterized in that: the centralized display unit comprises a single-chip microcomputer, a single-chip computer and a man-machine interface, an RS232 communication circuit, a network port communication circuit, a two-bus communication circuit and an RS485 Communication circuit data interconnection, human-computer interaction interface includes buttons, indicator lights, liquid crystal display, etc., the single-chip microcomputer is also connected with a USB interface and SD card data storage module; the single-chip microcomputer is connected to the switch output; the switching power supply is connected to the single-chip microcomputer, and the output voltage supplies power . 3.根据权利要求1所述的一种电气火灾监控系统，其特征在于：所述一体式互感器包括单片机，单片机与人机交互界面和二总线通讯电路数据互连，所述单片机还连接温度采样模块和漏电采样模块。3. An electrical fire monitoring system according to claim 1, characterized in that: the integrated transformer comprises a single-chip microcomputer, the single-chip microcomputer is interconnected with the human-computer interface and the two-bus communication circuit data, and the single-chip microcomputer is also connected to the temperature Sampling module and leakage sampling module. 4.一种如权利要求1所述的电气火灾监控系统的监控方法，其特征在于，包括以下内容：4. The monitoring method of the electrical fire monitoring system as claimed in claim 1, is characterized in that, comprises the following content: 采用上述电气火灾监控系统；Adopt the above-mentioned electrical fire monitoring system; 包含如下监控报警项目：It includes the following monitoring and alarm items: a、剩余电流故障：故障单元属性；a. Residual current fault: attribute of faulty unit; b、温度超温报警：故障单元属性；b. Temperature over-temperature alarm: attribute of faulty unit; 包含如下故障报警项目：Contains the following fault alarm items: a、监控设备与探测器之间的通讯连接线发生断路或短路；a. The communication cable between the monitoring equipment and the detector is open or short-circuited; b、探测器与剩余电流传感器、温度传感器之间连接线发生断路或短路；b. The connection line between the detector and the residual current sensor and temperature sensor is open or short-circuited; 包含如下自检项目：The following self-check items are included: a、指示灯检查：报警、故障、运行；a. Indicator light inspection: alarm, fault, operation; b、显示屏检查、音响检查；b, display screen inspection, sound inspection; 包含如下事件记录：Contains the following event records: a、记录内容：记录类型、发生时间、探测器编号、区域和故障描述；a. Record content: record type, occurrence time, detector number, area and fault description; b、记录查询：根据记录的日期、类型等条件查询；b. Record query: query according to the date, type and other conditions of the record; 包含如下操作分级：Contains the following operational classifications: a、日常值班级：实时状态监视、事件记录查询；a. Daily duty class: real-time status monitoring, event record query; b、监控操作级：实时状态监视、事件记录查询、探测器远程复位、设备自检；b. Monitoring operation level: real-time status monitoring, event record query, detector remote reset, equipment self-check; c、系统管理级：实时状态监视、事件记录查询、探测器远程复位、设备自检、监控设备系统参数查询、监控设备各模块单独检测、操作员添加与删除。c. System management level: real-time status monitoring, event record query, detector remote reset, equipment self-inspection, monitoring equipment system parameter query, separate monitoring of each module of monitoring equipment, operator addition and deletion. 5.根据权利要求4所述的一种电气火灾监控系统的监控方法，其特征在于：所述监控报警响应时间不超过10秒。5 . The monitoring method for an electrical fire monitoring system according to claim 4 , wherein the monitoring and alarm response time does not exceed 10 seconds. 6 . 6.根据权利要求4所述的一种电气火灾监控系统及其监控方法，其特征在于：所述故障报警响应时间不超过100秒。6 . The electrical fire monitoring system and monitoring method thereof according to claim 4 , wherein the fault alarm response time does not exceed 100 seconds. 7 . 7.根据权利要求4所述的一种电气火灾监控系统及其监控方法，其特征在于：所述自检项目耗时不超过60秒。7 . An electrical fire monitoring system and monitoring method thereof according to claim 4 , wherein the self-checking item takes no more than 60 seconds. 8 . 8.根据权利要求4所述的一种电气火灾监控系统及其监控方法，其特征在于：所述电气火灾监控系统的报警控制输出：设置两组常开无源触点；触点容量AC 220V/1A ，DC 30V/1A。8. An electrical fire monitoring system and monitoring method thereof according to claim 4, characterized in that: the alarm control output of the electrical fire monitoring system: two groups of normally open passive contacts are provided; the contact capacity is AC 220V /1A, DC 30V/1A.
CN202111291680.3A 2021-11-03 2021-11-03 Electrical fire monitoring system and monitoring method thereof Pending CN113870517A (en)

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Application publication date: 20211231