CN113300453A - EPS intelligent fire-fighting emergency power supply system - Google Patents

EPS intelligent fire-fighting emergency power supply system Download PDF

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Publication number
CN113300453A
CN113300453A CN202110576338.1A CN202110576338A CN113300453A CN 113300453 A CN113300453 A CN 113300453A CN 202110576338 A CN202110576338 A CN 202110576338A CN 113300453 A CN113300453 A CN 113300453A
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Prior art keywords
information
eps
module
eps control
control panel
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Chinese (zh)
Inventor
杨亮
黎宏彪
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Ningbo Rongte Electronic Co ltd
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Ningbo Rongte Electronic Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2213/00—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network
    • H02J2213/10—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network using simultaneously two or more different transmission means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses an EPS intelligent fire-fighting emergency power supply system, which comprises a mains supply line, an upper computer, an EPS control panel, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant current charging/inversion driving circuit and a main power circuit, wherein the mains supply line is used for supplying power to the EPS control panel, the mains supply/emergency conversion contactor, the constant current charging/inversion driving circuit and the main power circuit, the upper computer is connected with the EPS control panel in a communication mode and is used for monitoring and displaying information of data collected by the EPS control panel, the LiFePO4 storage battery is electrically connected with the EPS control panel, the constant current charging/inversion driving circuit and the main power circuit, the mains supply/emergency conversion contactor is electrically connected with the fire-fighting emergency lamp, the EPS control panel is electrically connected with the mains supply/emergency conversion contactor, compared with the traditional lead-acid battery, the adoption of a lithium iron phosphate battery effectively solves the problem that the volume of the traditional lead-acid battery is huge, short service life, no environmental pollution and harmful substances.

Description

EPS intelligent fire-fighting emergency power supply system
Technical Field
The invention belongs to the technical field of fire-fighting emergency power supply, and particularly relates to an EPS intelligent fire-fighting emergency power supply system.
Background
EPS (emergency power systems) central integrated emergency power supply system is widely applied to central integrated power supply for fire control, provides standby power supply for emergency lamps and fire-fighting equipment (smoke detector, spray equipment and the like), and carries out information acquisition, data transmission, remote linkage control and running state monitoring on relevant emergency lamps, fire-fighting equipment and the like through communication interfaces such as RS232/RS422/CAN/RS 485/Bluetooth and the like.
At present, in the circulation market, the self-contained emergency lamp is mainly used, the battery is arranged in each lamp, the resource waste is caused, and the battery maintenance becomes abnormal difficulty. In engineering projects, the labor cost for replacing and maintaining the battery is very high, and the EPS is directly used for central power supply, so that the price of a single emergency lamp and the maintenance and replacement cost of the battery can be greatly reduced;
the EPS has a higher technical threshold, and the traditional EPS design scheme is old, large in size and low in output efficiency, once a fault occurs, a technician is required to go to a site to maintain, the whole machine is possibly required to be replaced, the maintenance cost is high, large-scale product popularization is not facilitated, and meanwhile, more than 95% of the EPS at present adopt lead-acid batteries, so that the EPS has the defects of being prominent, large in size, short in service life, not environment-friendly and harmful substances.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an EPS intelligent fire-fighting emergency power supply system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the EPS intelligent fire-fighting emergency power supply system comprises a mains supply line, an upper computer, an EPS control panel, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant-current charging/inversion driving and main power circuit, a wireless communication transmission module, a cloud data acquisition and storage module and a big data analysis module;
the wireless communication transmission module is used for signal transmission among a mains supply line, an upper computer, an EPS control board, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant-current charging/inversion driving circuit and a main power circuit;
the cloud data acquisition and storage module is used for storing operation information in the EPS control panel, wherein the operation information comprises fault information and parameter information;
the big data analysis module is used for acquiring operation information and performing big data analysis and remote monitoring, wherein the big data analysis comprises data cleaning and supplementing of the operation information;
the data cleansing and supplementing comprises:
acquiring data item names, numerical values and time node information in the first screening information, and forming a plurality of subdata sets;
the first screening information of which the corresponding numerical value in each sub-data set is empty is subjected to exception marking and exception filling, specifically,
by passing
Figure RE-GDA0003172328220000021
Obtaining an abnormal fill value, wherein ay1Time node information preceding the time node information corresponding to the missing first screening information, ax1The time node information is the next time node information of the corresponding time node information of the missing first screening information, n is the number of the selected adjacent time node information of the corresponding time node information of the missing first screening information and n is an integer, and A is the number of the calculated adjacent first screening information.
Further, before the data cleaning and supplementing, the method further comprises:
collecting a plurality of operation information and screening to obtain first screening information and second screening information;
inputting a plurality of pieces of operation information, first screening information and second screening information into a deep neural network for learning to obtain a screening model;
and inputting the operation information into a screening model to obtain first screening information.
Further, the remote monitoring comprises:
and forming a plurality of corresponding data analysis graphs according to the first screening information, wherein any data analysis graph corresponds to the operation information and is associated with a corresponding wireless communication transmission module, a cloud data acquisition and storage module, a big data analysis module or an online upgrading module in a hyperlink form.
Further, the upper computer is connected with the EPS control board in a communication mode and is used for monitoring and displaying information of data acquired by the EPS control board;
the mains supply line is used for supplying power to the EPS control board, the mains supply/emergency conversion contactor, the constant-current charging/inversion driving circuit and the main power circuit;
the LiFePO4 storage battery is electrically connected with the EPS control board and the constant-current charging/inversion driving and main power circuit;
the electric power/emergency conversion contactor is electrically connected with the fire-fighting emergency lamp, and the EPS control panel is electrically connected with the electric power/emergency conversion contactor.
Further, the communication mode between host computer and the EPS control panel includes: RS232/RS 422/CAN.
Furthermore, the EPS control board adopts a hardware control framework of DSP28335+ FPGA/CPLD, is responsible for finishing processing of collected data, and finishes calculation of PWM duty ratio and outputs corresponding PWM according to a corresponding algorithm.
Furthermore, the device also comprises an EEROM used for storing key information such as parameters and historical faults of the EPS control board.
Furthermore, the system also comprises an online upgrading module, wherein the online upgrading module is used for upgrading the data of the bottom layer framework in the EPS control panel.
Further, the intelligent terminal also comprises an electric box, wherein the wireless communication transmission module, the cloud data acquisition and storage module, the big data analysis module and the online upgrading module are all installed in the electric box.
Compared with the prior art, the invention has the following technical effects:
1. compared with the traditional lead-acid battery, the lithium iron phosphate battery is adopted, so that the problems of large volume, short service life, environmental pollution and harmful substances of the original lead-acid battery are effectively solved.
2. By arranging the wireless communication transmission module, the cost of laying a line in the traditional information transmission process can be saved, and meanwhile, the communication interruption caused by line faults is reduced;
3. and the big data analysis module is used for acquiring the operation information and carrying out big data analysis and remote monitoring.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic diagram of a power unit connection provided by the present invention;
fig. 2 is a schematic view of an electrical box according to the present invention.
In the figure: 1. an electric box; 2. a heat radiation fan; 3. a liquid crystal touch display module; 4. a door lock is provided.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the concrete.
Example 1
Referring to fig. 1, the EPS intelligent fire-fighting emergency power supply system includes a utility power line, an upper computer, an EPS control board, a LiFePO4 storage battery, a utility power/emergency switching contactor, a fire-fighting emergency lamp, a constant current charging/inversion driving and main power circuit;
the system also comprises a wireless communication transmission module, a cloud data acquisition and storage module and a big data analysis module;
the wireless communication transmission module is used for signal transmission among a mains supply line, an upper computer, an EPS control board, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant-current charging/inversion driving circuit and a main power circuit;
the wireless communication transmission module can save the cost of laying a line in the traditional information transmission process and reduce the communication interruption caused by line faults;
the cloud data acquisition and storage module is used for storing operation information in the EPS control panel, wherein the operation information comprises fault information and parameter information;
the running information in the EPS control board can be stored to analyze the whole running data of the system by combining big data.
The big data analysis module is used for acquiring the operation information and performing big data analysis and remote monitoring, wherein the big data analysis comprises data cleaning and supplementing of the operation information;
the data cleaning and supplementing comprises the following steps:
acquiring data item names, numerical values and time node information in the first screening information, and forming a plurality of subdata sets;
the first screening information with empty corresponding value in each sub-data set is abnormally marked and abnormally filled, specifically,
by passing
Figure RE-GDA0003172328220000041
Obtaining an abnormal fill value, wherein ay1Time node information preceding the time node information corresponding to the missing first screening information, ax1The time node information is the next time node information of the corresponding time node information of the missing first screening information, n is the number of the selected adjacent time node information of the corresponding time node information of the missing first screening information and n is an integer, and A is the number of the calculated adjacent first screening information.
Data volume when carrying out data analysis can reduce big data through carrying out a plurality of subdata sets, increases the response speed of system, can in time investigate out unusual article through unusual mark simultaneously, is convenient for fix a position the fault location fast and maintains.
The method also comprises the following steps before data cleaning and supplementing:
collecting a plurality of operation information and screening to obtain first screening information and second screening information;
inputting a plurality of pieces of operation information, first screening information and second screening information into a deep neural network for learning to obtain a screening model;
and inputting the operation information into the screening model to obtain first screening information.
Through training the neural network model, the operation information can be intelligently classified, so that data needing to be analyzed can be screened out more accurately, and the analysis efficiency is improved.
The remote monitoring comprises the following steps:
and forming a plurality of corresponding data analysis graphs according to any first screening information, wherein any data analysis graph corresponds to the operation information and is associated with a corresponding wireless communication transmission module, a cloud data acquisition and storage module, a big data analysis module or an online upgrading module in a hyperlink form.
Meanwhile, in the specific implementation process,
matching detection of time node information and abnormal marks is carried out on the operation information with the abnormal marks in the first screening information and the corresponding operation information in a preset maintenance storage table;
and if the running information with the abnormal marks in the first screening information is matched with the time node information of the running information with the abnormal marks in the corresponding maintenance storage table, storing the identification information of the wireless communication transmission module or the cloud data acquisition and storage module or the big data analysis module or the online upgrading module corresponding to the running information matched in the first screening information and the corresponding time node information to form a maintenance report, so that the follow-up maintenance and inspection are facilitated.
The upper computer is connected with the EPS control panel in a communication mode and is used for monitoring and displaying information of data acquired by the EPS control panel;
the mains supply circuit is used for supplying power to the EPS control board, the mains supply/emergency switching contactor, the constant-current charging/inversion driving circuit and the main power circuit;
the LiFePO4 storage battery is electrically connected with the EPS control board and the constant current charging/inversion driving and main power circuit,
the commercial power/emergency switching contactor is electrically connected with the fire-fighting emergency lamp, and the EPS control panel is electrically connected with the commercial power/emergency switching contactor.
The communication mode between host computer and the EPS control panel includes: RS232/RS 422/CAN.
The EPS control board adopts a hardware control framework of DSP28335+ FPGA/CPLD, is responsible for finishing processing of collected data, and finishes calculation of PWM duty ratio and outputs corresponding PWM according to a corresponding algorithm.
The control system also comprises an EEROM used for storing key information such as parameters and historical faults of the EPS control board.
The system also comprises an online upgrading module, wherein the online upgrading module is used for upgrading the data of the bottom layer framework in the EPS control panel.
The intelligent cloud platform is characterized by further comprising an electric box 1, wherein the wireless communication transmission module, the cloud data acquisition and storage module, the big data analysis module and the online upgrading module are all installed in the electric box.
In specific implementation, a liquid crystal touch display module 3 is installed on one side surface of the electric box 1, and the liquid crystal touch display module 3 is used for displaying a human-computer interaction interface;
a through hole is formed in one side, perpendicular to the side where the liquid crystal touch display module 3 is installed, of the electric box 1, a heat dissipation fan 2 is embedded in the through hole, and the heat dissipation fan is used for exhausting hot air in the electric box 1 and sucking in external air;
the electric box 1 is further provided with a door lock 4, the door lock 4 and the liquid crystal touch display module 3 are installed on the same side, and the door lock 4 guarantees safe operation of equipment in the electric box 1.
While the material of the electrical box 1 includes, but is not limited to, 43 steel, stainless steel, cast iron, etc.
When the invention is used:
the upper computer interface is mainly compiled by Labview or Fameview software, is a visual human-computer interaction interface, CAN monitor and display system collected data, fault information and the like in communication modes such as RS232/RS422/CAN and the like, and CAN give control instructions according to system requirements, so that the system is convenient to maintain, upgrade and debug;
meanwhile, a liquid crystal touch display module hardware circuit is reserved on the upper computer and is a backup interactive interface of the upper computer.
The upper computer system adopts a hardware control framework of DSP28335+ FPGA/CPLD, is responsible for finishing the processing of the acquired data, and finishes the calculation of PWM duty ratio and outputs corresponding PWM according to a corresponding algorithm.
The commercial power is detected in real time to determine whether the commercial power is normally supplied, so that the working state (charging/inversion) of the system is determined.
The control core is powered by an isolation power supply, when the mains supply is normal, the power grid is used as primary input of the isolation power supply, and when the mains supply is powered off, the lithium battery is switched to be used as the primary input of the isolation power supply in time. When the commercial power is cut off or the commercial power is restored to supply power, the controller needs to switch the contactor and carry out recovery confirmation on the contact state of the contactor. The storage battery module internally comprises a microcontroller, can exchange data with the main controller through the isolation module or the wireless module, and displays the state of the storage battery by the main controller. The PWM is isolated through an optical coupler, and because the driving capability of signals output from the DSP and the FPGA is weak, the signals need to be amplified in power through a corresponding driving amplification unit, and switching tubes such as an IGBT (insulated gate bipolar transistor) and the like are further driven;
in addition, when the battery is charged, the charging current of the battery in different charging states can be intelligently controlled through the PWM signal, so that the service life of the battery is prolonged.
The protection module is divided into software protection and hardware protection;
the software protection configuration is flexible, and an overvoltage/overcurrent threshold value and corresponding trigger protection time can be set to protect corresponding devices;
the real-time performance of hardware protection is higher, and the protection is generally the last protection when the system develops towards the crash direction.
The drive and the detection are the on-machine self-checking functions of the system, including automatic detection of a drive channel, an internal generated reference signal and the like, and are beneficial to normal work and later maintenance of the system. The EEROM is used for storing key information such as system parameters and historical faults, and the like, and is convenient for later maintenance and overhaul of the system. In addition, the controller can detect various states of the emergency system, such as brightness, whether different lamp positions work normally, and the like.
The EPS control board function and hardware support module comprises a function module and a support module;
wherein, the functional module includes:
(1) a Bluetooth receiving function;
(2) a battery charging real-time state display function;
(3) a battery inversion real-time state display function;
(4) function detection setting, service life detection duration and interval duration;
(5) the upper computer has a communication function;
(6) touching liquid crystal display related functions;
(7) a Zigbee wireless communication function;
(8) a system power-on self-checking function;
(9) isolating strong and weak current signals;
(10) a system soft power-on function;
(11) a key information storage function;
(12) power loop control function
The support module includes:
the power supply distribution module: the device comprises a DSP (digital signal processor) and FPGA (field programmable gate array) outer core 3.3V digital and analog power supply, an inner core 1.8V analog power supply, a +/-15V analog conditioning circuit power supply voltage, an isolation driving 15V power supply, an optocoupler secondary 5V isolation power supply, an off-chip AD sampling chip 5V power supply and the like;
minimum system unit: DSP + FPGA and peripheral circuits thereof;
a communication module: RS232 (full duplex)/RS 422 (full duplex)/RS 485 (half duplex)/CAN (generally used in the industrial and automobile fields, and also related to the military field) level conversion circuit;
bluetooth receives relevant hardware circuit: the MCU is used for receiving data uploaded by the MCU built in the battery pack;
a touch liquid crystal display module: the corresponding port and hardware support circuit are used for displaying the state and issuing the control instruction by the display screen when the upper computer is not available;
switching value input/output isolation module: the method is used for sampling and conditioning the isolated analog signals of power tube fault signals, contactor control and auxiliary contact recovery signals, hardware overvoltage and overcurrent signals, external button signals and the like: signals such as voltage and current are subjected to scaling and other processing in a certain proportion and are converted into a level range which can be received by an AD sampling unit;
overvoltage and overcurrent hardware protection module: the voltage and the current exceed the maximum bearing range, and a protection signal is generated at the fastest speed;
storing key data such as fault information: designing a ROM storage module, storing key information such as faults and the like, and providing maintenance personnel for fault positioning or remote data acquisition;
a program loading module: DSP and FPGA program loading interface and circuit;
a soft power-on module: the damage to a battery or other components due to overlarge capacitor charging current is prevented during power-on;
a power driving module: isolating and amplifying a PWM signal sent by a processor, and driving power tubes such as IGBT;
a power unit: the power tube comprises IGBT and other power tubes.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims (9)

  1. The EPS intelligent fire-fighting emergency power supply system comprises a mains supply line, an upper computer, an EPS control panel, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant-current charging/inversion driving circuit and a main power circuit, and is characterized in that:
    the system also comprises a wireless communication transmission module, a cloud data acquisition and storage module and a big data analysis module;
    the wireless communication transmission module is used for signal transmission among a mains supply line, an upper computer, an EPS control board, a LiFePO4 storage battery, a mains supply/emergency conversion contactor, a fire-fighting emergency lamp, a constant-current charging/inversion driving circuit and a main power circuit;
    the cloud data acquisition and storage module is used for storing operation information in the EPS control panel, wherein the operation information comprises fault information and parameter information;
    the big data analysis module is used for acquiring operation information and performing big data analysis and remote monitoring, wherein the big data analysis comprises data cleaning and supplementing of the operation information;
    the data cleansing and supplementing comprises:
    acquiring data item names, numerical values and time node information in the first screening information, and forming a plurality of subdata sets;
    the first screening information of which the corresponding numerical value in each sub-data set is empty is subjected to exception marking and exception filling, specifically,
    by passing
    Figure FDA0003084470500000011
    Obtaining an abnormal fill value, wherein ay1Ax1 is time node information immediately preceding the time node information corresponding to the missing first filtering information, n is the number of selected adjacent time node information of the time node information corresponding to the missing first filtering information and n is an integer, and a is the number of the calculated adjacent first filtering information.
  2. 2. The EPS intelligent fire-fighting emergency power supply system according to claim 1, characterized in that: before the data cleaning and supplementing, the method also comprises the following steps:
    collecting a plurality of operation information and screening to obtain first screening information and second screening information;
    inputting a plurality of pieces of operation information, first screening information and second screening information into a deep neural network for learning to obtain a screening model;
    and inputting the operation information into a screening model to obtain first screening information.
  3. 3. The EPS intelligent fire-fighting emergency power supply system according to claim 1, characterized in that: the remote monitoring comprises:
    and forming a plurality of corresponding data analysis graphs according to the first screening information, wherein any data analysis graph corresponds to the operation information and is associated with a corresponding wireless communication transmission module, a cloud data acquisition and storage module, a big data analysis module or an online upgrading module in a hyperlink form.
  4. 4. The EPS intelligent fire-fighting emergency power supply system according to claim 1, characterized in that: the upper computer is connected with the EPS control panel in a communication mode and is used for monitoring and displaying information of data acquired by the EPS control panel;
    the mains supply line is used for supplying power to the EPS control board, the mains supply/emergency conversion contactor, the constant-current charging/inversion driving circuit and the main power circuit;
    the LiFePO4 storage battery is electrically connected with the EPS control board and the constant-current charging/inversion driving and main power circuit;
    the electric power/emergency conversion contactor is electrically connected with the fire-fighting emergency lamp, and the EPS control panel is electrically connected with the electric power/emergency conversion contactor.
  5. 5. The EPS intelligent fire-fighting emergency power supply system according to claim 4, characterized in that: the communication mode between host computer and the EPS control panel includes: RS232/RS 422/CAN.
  6. 6. The EPS intelligent fire-fighting emergency power supply system according to claim 5, characterized in that: the EPS control board adopts a hardware control framework of DSP28335+ FPGA/CPLD, is responsible for finishing processing of collected data, and finishes calculation of PWM duty ratio and outputs corresponding PWM according to a corresponding algorithm.
  7. 7. The EPS intelligent fire-fighting emergency power supply system according to claim 6, characterized in that: the control system also comprises an EEROM used for storing key information such as parameters and historical faults of the EPS control board.
  8. 8. The EPS intelligent fire-fighting emergency power supply system according to claim 1, characterized in that: the system also comprises an online upgrading module, wherein the online upgrading module is used for upgrading both the data of the bottom layer framework in the EPS control panel.
  9. 9. The EPS intelligent fire-fighting emergency power supply system according to claim 8, characterized in that: the wireless communication transmission module, the cloud data acquisition and storage module, the big data analysis module and the online upgrading module are all installed in the electric box.
CN202110576338.1A 2021-05-26 2021-05-26 EPS intelligent fire-fighting emergency power supply system Pending CN113300453A (en)

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GB202000433D0 (en) * 2019-06-20 2020-02-26 Shenzhen Bendeng Computer Co Ltd A big data server power supply apparatus
CN210355746U (en) * 2019-05-15 2020-04-21 智慧式有限公司 Intelligent fire fighting equipment
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CN213244424U (en) * 2020-09-28 2021-05-18 安徽中星安全技术有限公司 Emergency lighting controller

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9047075B1 (en) * 2013-12-31 2015-06-02 Victor K. J. Lee Uninterruptable power supply system and method
KR101608971B1 (en) * 2015-04-30 2016-04-20 주식회사 제이피케이코리아 Emergency sensing and acting system using LED lighting module
CN208806650U (en) * 2018-08-21 2019-04-30 爱恒能源科技（上海）有限公司 A kind of electrical apparatus electric power optimization system guaranteed for cloud large data center emergency
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Application publication date: 20210824