CN115442181A - Fire-fighting equipment power monitoring system developed based on An Zhuobing - Google Patents
Fire-fighting equipment power monitoring system developed based on An Zhuobing Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40026—Details regarding a bus guardian
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
Abstract
The invention relates to a An Zhuobing-based developed fire-fighting equipment power supply monitoring system which comprises a fire-fighting equipment power supply state monitor and sensor communication, wherein two buses are adopted for communication, the fire-fighting equipment power supply state monitor is communicated with a power supply state monitoring area extension through a CAN, and the fire-fighting equipment power supply state monitor is connected with a plurality of monitoring sensors through the two buses. The invention increases the coverage area of the system; the regional extension effectively monitors the sensors in local subareas, uploads the state information of the regional extension to the monitor, prolongs the communication distance and expands the system capacity.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a fire-fighting equipment power supply monitoring system developed based on An Zhuobing.
Background
Along with the acceleration of social modernization and urbanization processes, high-rise buildings are emerging continuously, the fire safety precaution of the buildings is paid more and more attention, and the important technical condition that whether automatic fire-fighting facilities (such as a fire alarm system, an automatic spraying system, a fire accident broadcasting system, a telephone, a smoke and smoke prevention and control system, an electrical fire monitoring system, a gas fire extinguishing system, an emergency lighting system, a fire elevator, a fire pump, a roller shutter door and the like) arranged in the buildings can run reliably is taken as, namely the important type and the reliability of fire power supply are naturally concerned, and the state also promulgates the standard of GB 28184-2011 fire-fighting equipment power supply monitoring system for ensuring that the fire-fighting equipment is always in a normal working state before a fire occurs; when a fire breaks out, the fire-fighting protective cover plays a role, and the purposes of protecting life and reducing property loss are achieved.
In the prior art, from the application of the system, the chinese patent 201410095032.4 provides a fire fighting equipment power monitoring system, which has the following disadvantages: (1) The upper computer is arranged at a PC end and is connected with the upper computer and the fire fighting equipment power supply state monitor through the communication module, the overall cost is very high, and the equipment is at least provided with an industrial personal computer and a plurality of communication modules; (2) The communication between the fire-fighting equipment power state monitor and the sensor and the communication between the area extension and the sensor adopt CAN communication; the power supply voltage DC24V of the sensor is supplied out by the fire fighting equipment power state monitor in a centralized way; in field application, 4 wires are needed for power supply and communication of the sensor.
From the product function, the chinese patent No. 201410402578.x provides a fire fighting equipment power supply monitoring system; the following problems exist: (1) The communication mode of the fire-fighting equipment power supply monitor and the sensor is CAN communication, and the economy is not realized; (2) The fire fighting equipment power supply monitor is connected with other standard systems only supporting a Modbus-RTU protocol, and is not strong in compatibility with other platforms; (3) The human-computer interface adopts LCD dot matrix liquid crystal and keys, and the user experience is not friendly enough.
From the product function, the Chinese patent invention 201510307531.X provides a novel fire-fighting equipment power supply monitoring system; the following problems exist: (1) The communication mode of the fire fighting equipment power supply monitor and the sensor adopts RS485 communication, and 4 wires are needed for power supply and communication of the sensor in field application; (2) The CRT in the cancel control room is used for a 7-inch or more-than-10-inch touch display screen, and an operating system is not mentioned in the patent; (3) The wireless communication mode is GPRS/GSM communication technology, the wireless communication technology is widely popularized and applied along with the technical progress, and WIFI and 4G technologies are also widely applied in the industrial control field; (4) The external communication mode is single, and only GPRS/GSM communication is available; other systems need to be accessed in many application occasions, such as a fire alarm system, an intelligent power utilization cloud platform and the like, and particularly, like an EMS solution recently introduced by the company, data of a fire fighting equipment power supply monitoring system needs to be forwarded to the cloud platform, so that the communication speed and the communication mode of the data have certain requirements; (5) In the system, a CRT (picture display device) in a control room is connected with a power state monitor of fire-fighting equipment through a serial port, and the communication mode has short communication distance and is easy to interfere; or the system uses the touch display screen of the fire fighting equipment power state monitor as a CRT (picture display device) of a fire room, and the application mode is not suitable for all users.
Disclosure of Invention
The invention aims to overcome the defects and provides a fire-fighting equipment power supply monitoring system developed based on An Zhuobing, so that the user experience of the whole system is better, the external communication mode is various, the overall cost is lower, and the field construction is more convenient.
The purpose of the invention is realized as follows:
a fire-fighting equipment power supply monitoring system developed based on An Zhuobing comprises a fire-fighting equipment power supply state monitor, a power supply state monitoring area extension and a plurality of sensors, wherein two buses are adopted for communication between the fire-fighting equipment power supply state monitor and the sensors, the fire-fighting equipment power supply state monitor and the power supply state monitoring area extension are communicated through a CAN, and the fire-fighting equipment power supply state monitor is connected with the plurality of monitoring sensors through the two buses;
the fire fighting equipment power supply state monitor comprises a switching power supply, a display screen, a lamp key board, a communication board and a battery, wherein the display screen is connected with the lamp key board, the lamp key board is connected with the communication board, the display screen, the lamp key board and the communication board are respectively connected with the switching power supply, and the switching power supply is connected with the battery;
the display screen adopts An Zhuobing and is provided with an android operating system;
the lamp keypad includes controller MCU, and MCU connects DI circuit and DO circuit respectively, and the DI circuit: 1-path passive input circuit and 1-path active DC24V and DO circuit: 2 paths of passive relay outputs; the MCU is respectively connected with the TTL communication circuit and the serial communication circuit, the TTL communication circuit is used for communicating with the display screen, and the serial communication circuit is used for controlling the printer; the MCU is respectively connected with a signal detection circuit and a control circuit, the signal detection circuit is used for detecting a switching power supply signal, and the control circuit is used for controlling the LED lamp, the key and the buzzer;
the communication board comprises a controller MCU, the MCU is respectively connected with a power conversion circuit and an RS485 circuit, the power conversion circuit provides DC12V, DC V and DC3.3V power, and the RS485 circuit is used for the linkage of evacuation protocols or the connection with a 485 instrument or the connection with a picture display; the MCU is respectively connected with a TTL communication circuit and a CAN communication circuit, the TTL communication circuit is used for data interaction with the display screen, and the CAN communication circuit is used for data interaction with the area extension set; the MCU is respectively connected with two bus communication circuits and a control circuit, the two bus communication circuits are two bus circuits of 2 loops and are used for interacting with instrument data, and the control circuit is used for communicating an indicator light;
the fire-fighting equipment power supply sensor comprises an MCU controller, the MCU controller is connected with the two bus communication circuits, the MCU controller is connected with an electronic switch switching circuit, and the electronic switch switching circuit is connected with a sampling circuit.
Furthermore, the fire fighting equipment power supply state monitor is also provided with an RS485 communication mode, can be connected with products such as an electrical fire detector and a fault arc, and can monitor electrical parameters such as temperature, electric leakage and the fault arc of a terminal power distribution loop.
Furthermore, the power state monitor of the fire fighting equipment is connected with a CRT (cathode ray tube) of a fire control room by RS485 communication.
Furthermore, the fire fighting equipment power supply state monitor can be linked with a fire alarm system, a fire emergency lighting and evacuation indication system and the like by adopting one of active switching value input, passive switching value input, switching value output, RS232 communication or RS485 communication.
Furthermore, the power state monitor of the fire fighting equipment is externally provided with Ethernet communication, 4G communication and WiFi communication, and can meet various networking communication modes.
Furthermore, the fire fighting equipment power supply state monitor is also provided with a TF card and a USB interface, and can be used for copying configuration information of field application.
Further, fire-fighting equipment power supply sensor includes voltage signal sensor, current signal sensor, voltage/current signal sensor, can monitor alternating current-direct current voltage, current signal.
Furthermore, the MCU of the communication board is also connected with an RS232 circuit for linkage of evacuation protocols.
Furthermore, a capacitive screen is adopted as the screen of the display screen.
Further, the lamp key board is also connected with a printer.
Compared with the prior art, the invention has the beneficial effects that:
(1) The display mode of the power supply state monitor of the fire fighting equipment adopts 7 inches or 10.1 inches An Zhuobing, high-definition picture display is realized, the color transition is smooth and fine, the picture display is accurate and natural, and the layering sense is strong; the screen adopts a capacitive screen, and is friendly to human-computer interaction; the android operating system is matched, so that the requirements of intellectualization and some customization can be met;
(2) The fire fighting equipment power state monitor and the fire fighting power sensor, and the area extension and the sensor are communicated by adopting two buses, and the communication is characterized in that the power supply line and the signal line are combined into one, so that the technology of sharing one bus by signals and power supply is realized, compared with a four-wire system (two power supply lines and two communication lines). The second bus saves the construction and cable cost and brings great convenience to site construction and later maintenance; the method is widely applied to the fields of fire fighting, instruments, sensors, industrial control and the like, and has obvious advantages compared with CAN communication and RS485 communication.
(3) The power state monitoring area extension of the invention is connected with a fire fighting equipment power state monitor (CAN communication) and a monitoring sensor (two-bus communication) at the lower part, and the addition of the monitoring sensor is mainly to increase the coverage area of the system; the regional extension is used for effectively monitoring the sensors in the local subareas, uploading the state information of the regional extension to the monitor, prolonging the communication distance and expanding the system capacity;
(4) The two-bus communication mode of the fire fighting equipment power supply state monitor has the advantages that the monitoring capacity per se reaches 128 points, and the communication distance is 500m; the capacity of the equipment can be expanded by the regional extension, and the capacity can be expanded to 1000 points at most.
(5) The power supply state monitor of the fire fighting equipment can be provided with an RS485 communication mode besides two-bus communication, can be connected with products such as an electrical fire detector, a fault arc and the like, and can monitor electrical parameters such as temperature, electric leakage, the fault arc and the like of a terminal power distribution loop;
(6) The monitor for the power state of the fire fighting equipment can adopt RS485 communication when being connected with a CRT (picture display device) in a fire control room;
(7) The power supply state monitor of the fire fighting equipment is externally provided with Ethernet communication, 4G communication and WiFi communication, so that various networking communication modes can be met;
(8) The fire fighting equipment power supply state monitor is externally provided with 4G communication, and when a fault and alarm information exist in a fire fighting equipment power supply system, fire fighting equipment power supply monitoring software installed on the monitor can send the information to operation and maintenance personnel in a short message pushing mode and the like;
(9) The fire fighting equipment power state monitor is also provided with a TF card and a USB interface and can be used for copying configuration information of field application;
(10) The fire fighting equipment power supply sensor comprises a voltage signal sensor, a current signal sensor and a voltage/current signal sensor, and can monitor alternating current and direct current voltage and current signals; one module can monitor 3 three-phase voltages and 1 three-phase current at most.
Drawings
FIG. 1 is a system topology diagram of the present invention.
Fig. 2 is an internal structural view of a fire fighting equipment power status monitor of the present invention.
Fig. 3 is an internal wiring diagram of the fire fighting equipment power status monitor of the present invention.
Fig. 4 is a system resource block diagram of the light keypad of the present invention.
Fig. 5 is a system resource block diagram of the communication board of the present invention.
Fig. 6 is a schematic structural diagram of the fire fighting equipment power supply sensor of the present invention.
Fig. 7 is a system block diagram of a fire apparatus power sensor of the present invention.
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 herein 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. 1-7, fig. 1 is a schematic diagram illustrating a fire fighting equipment power monitoring system developed based on An Zhuobing. As shown in the figure, the fire fighting equipment power supply monitoring system developed based on An Zhuobing comprises a fire fighting equipment power supply state monitor and a plurality of sensors, wherein the fire fighting equipment power supply state monitor is connected with an area extension through a CAN bus, the area extension is connected and installed on the sensors of power utilization loops such as building emergency broadcasting, smoke exhaust fans and emergency lighting through two buses in a communication manner, the fire fighting equipment power supply state monitor is connected with the area extension through another CAN bus, and the area extension is connected and installed on the sensors of the power utilization loops such as fire hydrants, fire fighting water pumps and emergency lighting through two buses in a communication manner; the fire-fighting equipment power state monitor is connected with a plurality of fire-fighting equipment power sensors through a two-bus, the sensors respectively monitor power utilization loops such as a fire elevator, a smoke exhaust fan, an alarm system and emergency lighting, the fire-fighting equipment power state monitor is connected with the plurality of fire-fighting equipment power sensors through another two-bus, and the sensors respectively monitor power utilization loops such as a spray pump, a fire hydrant, a fire-proof roller shutter and emergency lighting.
The fire fighting equipment power supply state monitor comprises a switch power supply, a display screen, a lamp key board, a communication board and a battery, wherein the display screen is connected with the lamp key board, the lamp key board is connected with the communication board, the display screen, the lamp key board and the communication board are respectively connected with the switch power supply, and the switch power supply is connected with the battery; the lamp key board is also connected with a printer.
The display screen is 7 inches or 10.1 inches An Zhuobing, the screen is a capacitive screen, and human-computer interaction is friendly; an android operating system is collocated, and the requirements of intellectualization and some customization can be met.
The lamp keypad includes the controller MCU of STM32F030C8 type, and MCU connects DI circuit and DO circuit respectively, and the DI circuit: 1-path passive input circuit, 1-path active DC24V, DO circuit: 2 paths of passive relay outputs; the MCU is respectively connected with a TTL communication circuit and a serial communication circuit, the TTL communication circuit is used for communicating with the display screen, and the serial communication circuit is used for controlling the printer; the MCU is respectively connected with the signal detection circuit and the control circuit, the signal detection circuit is used for detecting a switching power supply signal, and the control circuit is used for controlling the LED lamp, the key and the buzzer.
The communication board comprises a KF32F330KQT type controller MCU which is respectively connected with a power supply conversion circuit and an RS485 circuit, the power supply conversion circuit provides DC12V, DC V and DC3.3V power supplies, and the RS485 circuit is used for evacuation protocol linkage or 485 instrument connection or image display connection; the MCU is respectively connected with a TTL communication circuit and a CAN communication circuit, the TTL communication circuit is used for data interaction with a display screen, and the CAN communication circuit is used for data interaction with a centralized power supply or an extension set; the MCU is respectively connected with two bus communication circuits and a control circuit, the two bus communication circuits are two bus circuits of 2 loops and used for data interaction with the instrument, and the control circuit is used for communicating the indicator light; and the MCU is also connected with an RS232 circuit and is used for linkage of evacuation protocols.
The fire fighting equipment power supply sensor comprises an MCU controller, the MCU controller is mutually connected with the two bus communication circuits, and the MCU controller is connected with the LED indicator lamp; the MCU controller is connected with the electronic switch switching circuit, the electronic switch switching circuit is connected with the sampling circuit, and the sampling circuit can monitor 3 circuits of three-phase voltage and 1 circuit of three-phase current.
The fire-fighting equipment power supply state monitor can also be provided with an RS485 communication mode, can be connected with products such as an electrical fire detector, a fault arc and the like, and monitors electrical parameters such as temperature, electric leakage, the fault arc and the like of a tail-end power distribution loop;
the monitor for the state of the power supply of the fire fighting equipment is connected with a CRT (picture display device) of a fire control room and can adopt RS485 communication;
the fire-fighting equipment power supply state monitor is linked with a fire alarm system, a fire-fighting emergency lighting and evacuation indicating system and the like, and can be selected by adopting active switching value input, passive switching value input, switching-on light output, RS232 communication and RS485 communication.
The power supply state monitor of the fire fighting equipment is externally provided with Ethernet communication, 4G communication and WiFi communication, so that various networking communication modes can be met;
the fire fighting equipment power supply state monitor is externally provided with 4G communication, and when a fault and alarm information exists in a fire fighting equipment power supply system, fire fighting equipment power supply monitoring software installed on the monitor can send the information to operation and maintenance personnel in a short message pushing mode and the like;
the fire fighting equipment power supply state monitor is also provided with a TF card and a USB interface and can be used for copying configuration information of field application;
the fire fighting equipment power supply sensor comprises a voltage signal sensor, a current signal sensor and a voltage/current signal sensor, and can monitor alternating current and direct current voltage and current signals; one module can monitor 3 three-phase voltages and 1 three-phase current at most.
The fire fighting equipment power supply state monitor of the invention has the following basic functions:
(1) Monitoring function
The monitor receives the voltage and current information and the switch state information of the sensors through the two buses, so that the working state of the power supply of the fire fighting equipment is monitored in real time. When the fault occurs, an acousto-optic fault alarm signal is sent out, meanwhile, other fault indicating lamps on the panel are turned on, the display screen indicates the fault position, the fault type and the fault time, and the acousto-optic signal is kept until the fault is eliminated. Where the sound signal can be manually canceled using a display screen "mute" button.
(2) Controlling output function
When the monitored loop gives an alarm, the output relay is controlled to be closed for controlling the protected circuit or other equipment, and when the fault is eliminated, the output relay is controlled to be released.
(3) Fault alarm function
And (4) system fault alarming: when the main software of the system is not normally started, a yellow system fault indicating lamp on the equipment is turned on, and a fault alarm sound is sent out.
And (4) other fault alarms: when the main power supply or the standby power supply fails, a communication connecting line between the monitor and the sensor is broken or short-circuited, the main power supply of the monitor is under-voltage or power-off, a connecting line between a charger for charging the battery and the battery is broken or short-circuited, and when the power supply monitored by the sensor has voltage faults and current faults, the monitoring equipment can send out sound and light fault alarm signals and display fault information, can enter a corresponding interface to check detailed information, and can relieve fault alarm sound.
(4) Self-checking function
And checking whether all the status indicator lamps, the display screen and the loudspeaker in the equipment are normal.
(5) Event record storage and query function
When overvoltage, undervoltage, phase error and overcurrent fault alarm or communication and power supply faults occur, information of fault alarm positions, fault information, fault alarm time and the like is stored in a database, and when the fault alarm is relieved and eliminated, the information is recorded in the same way. Historical data provides various convenient and quick query methods.
(6) Power supply function
When the main power supply has faults of power failure, undervoltage and the like, the monitoring equipment can be automatically switched to the standby power supply to work, when the main power supply recovers to be normally powered, the main power supply is automatically switched back, and the continuous and stable operation of the monitoring equipment is ensured in the switching process.
(7) Authority control function
In order to ensure the safe operation of the monitoring system, the software operation authority of the monitoring equipment is divided into three levels, and operators at different levels have different operation authorities.
(8) Power supply
Rated working voltage AC220V (85% -110%);
a standby power supply: when the main power supply is under-voltage or has power failure, the working time of the monitoring equipment is maintained to be more than or equal to 8 hours.
(8) The working system comprises the following steps: the system works for 24 hours.
(9) Communication method
The CAN bus and the two buses are communicated, the transmission distance of the two buses CAN reach 500m, the transmission distance of the CAN communication CAN reach 10KM, and the communication transmission distance CAN be prolonged through the regional extension. RS485 communication, 4G communication, wifi communication are optional.
(10) Monitoring capacity
The monitoring equipment can monitor 128 monitoring units (sensors) at most;
can be matched with AFPM3 series sensors.
(11) System fault project
The main program is in failure and the program can not run normally
System fault response time: less than or equal to 10s
System failure sound pressure level (a weighted): more than or equal to 65dB/1m and less than or equal to 115 dB/1m;
and displaying a system fault light: yellow LED indicator light, yellow light fault alarm signal should be kept until manual reset
System fault acoustic signal: can be manually eliminated and can be restarted when a fault signal is input again.
(12) Other fault items
The communication connecting line between the state monitor and the sensor is broken or short-circuited;
the main power supply of the state monitor is under-voltage or powered off;
a connection line between a charger that charges the battery and the battery is opened or short-circuited.
Voltage fault (undervoltage, overvoltage, phase error): failure unit attributes (location, type);
current fault (overcurrent): faulty cell attributes (location, type).
Fault response time: less than or equal to 100s;
monitoring sound pressure level (a weighting): more than or equal to 65dB/1m and less than or equal to 115 dB/1m;
monitoring fault light display: a yellow LED indicator light, wherein a yellow light alarm signal is required to be kept until the fault is eliminated;
other fault acoustic signals: the alarm can be manually eliminated, and can be restarted when an alarm signal is input again;
during a fault, normal operation of the non-faulted loop is not affected.
(13) Control output
And (3) fault alarm control output: 2 groups of normally open passive contacts; capacity: AC220V 3A or DC30V 3A.
(14) Self-checking project
And (3) checking an indicator light: running, power, noise reduction, system fault, other fault indicator lights;
checking a display screen;
checking acoustic devices;
the self-checking time is less than or equal to 60s.
(14) Event logging
Recording the content: recording type, occurrence time, sensor number, area and fault description, wherein not less than 2 thousands of records can be stored;
recording and inquiring: and inquiring according to conditions such as date and type of records.
(15) Operational grading
Daily class: monitoring the real-time state and inquiring event records;
monitoring the operation level: monitoring real-time state, inquiring event record, remotely resetting a sensor and self-checking equipment;
a system management level: the method comprises the steps of real-time state monitoring, event record inquiry, remote sensor reset, equipment self-checking, parameter inquiry of a fire-fighting equipment power supply state monitoring system, individual detection of each module of a fire-fighting equipment power supply state monitor, and addition and deletion of an operator.
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. The technical solutions formed by using equivalent transformation or equivalent substitution are all within the protection scope of the present invention.
Claims (10)
1. A fire-fighting equipment power monitoring system based on An Zhuobing development which characterized in that: the fire fighting equipment power state monitor is communicated with the sensors through two buses, the fire fighting equipment power state monitor is communicated with the power state monitoring area extension through a Controller Area Network (CAN), and the fire fighting equipment power state monitor is communicated with the monitoring sensors through the two buses;
the fire fighting equipment power supply state monitor comprises a switching power supply, a display screen, a lamp key board, a communication board and a battery, wherein the display screen is connected with the lamp key board, the lamp key board is connected with the communication board, the display screen, the lamp key board and the communication board are respectively connected with the switching power supply, and the switching power supply is connected with the battery;
the display screen adopts An Zhuobing and is provided with an android operating system;
the lamp keypad includes controller MCU, and MCU connects DI circuit and DO circuit respectively, and the DI circuit: 1-path passive input circuit, 1-path active DC24V, DO circuit: 2 paths of passive relay outputs; the MCU is respectively connected with a TTL communication circuit and a serial communication circuit, the TTL communication circuit is used for communicating with the display screen, and the serial communication circuit is used for controlling the printer; the MCU is respectively connected with a signal detection circuit and a control circuit, the signal detection circuit is used for detecting a switch power supply signal, and the control circuit is used for controlling the LED lamp, the key and the buzzer;
the communication board comprises a controller MCU, the MCU is respectively connected with a power conversion circuit and an RS485 circuit, the power conversion circuit provides DC12V, DC V and DC3.3V power, and the RS485 circuit is used for the linkage of evacuation protocols or the connection with a 485 instrument or the connection with a picture display; the MCU is respectively connected with a TTL communication circuit and a CAN communication circuit, the TTL communication circuit is used for data interaction with the display screen, and the CAN communication circuit is used for data interaction with the area extension set; the MCU is respectively connected with two bus communication circuits and a control circuit, the two bus communication circuits are two bus circuits of 2 loops and are used for interacting with instrument data, and the control circuit is used for communicating an indicator light;
the fire-fighting equipment power supply sensor comprises an MCU controller, the MCU controller is connected with the two bus communication circuits, the MCU controller is connected with the electronic switch switching circuit, and the electronic switch switching circuit is connected with the sampling circuit.
2. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the fire fighting equipment power supply state monitor is also provided with an RS485 communication mode, can be connected with products such as an electric fire detector and a fault arc, and monitors electric parameters such as temperature, electric leakage and the fault arc of a terminal power distribution loop.
3. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the fire-fighting equipment power state monitor is connected with a CRT (cathode ray tube) of a fire-fighting control room by RS485 communication.
4. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the fire-fighting equipment power supply state monitor is linked with a fire alarm system, a fire-fighting emergency lighting and evacuation indicating system and the like, and can adopt one of active switching value input, passive switching value input, switching-on light output, RS232 communication or RS485 communication.
5. A fire fighting equipment power monitoring system developed based on An Zhuobing as claimed in claim 1, wherein: the power supply state monitor of the fire fighting equipment is externally provided with Ethernet communication, 4G communication and WiFi communication, and can meet various networking communication modes.
6. A fire fighting equipment power monitoring system developed based on An Zhuobing as claimed in claim 1, wherein: the fire fighting equipment power supply state monitor is also provided with a TF card and a USB interface and can be used for copying configuration information of field application.
7. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the fire fighting equipment power supply sensor comprises a voltage signal sensor, a current signal sensor and a voltage/current signal sensor, and can monitor alternating current and direct current voltage and current signals.
8. A fire fighting equipment power monitoring system developed based on An Zhuobing as claimed in claim 1, wherein: and the MCU of the communication board is also connected with an RS232 circuit and is used for linkage of evacuation protocols.
9. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the screen of the display screen adopts a capacitive screen.
10. The fire fighting equipment power supply monitoring system developed based on An Zhuobing of claim 1, wherein: the lamp key board is also connected with a printer.
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| CN202211113357.1A CN115442181A (en) | 2022-09-14 | 2022-09-14 | Fire-fighting equipment power monitoring system developed based on An Zhuobing |
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| CN202211113357.1A CN115442181A (en) | 2022-09-14 | 2022-09-14 | Fire-fighting equipment power monitoring system developed based on An Zhuobing |
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