CN203577214U - Fire extinguishing agent gas pressure network monitoring system of gas fire extinguishing system bottle group - Google Patents

Fire extinguishing agent gas pressure network monitoring system of gas fire extinguishing system bottle group Download PDF

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Publication number
CN203577214U
CN203577214U CN201220618624.6U CN201220618624U CN203577214U CN 203577214 U CN203577214 U CN 203577214U CN 201220618624 U CN201220618624 U CN 201220618624U CN 203577214 U CN203577214 U CN 203577214U
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China
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chip
module
chip microcomputer
fire extinguishing
gas
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Expired - Fee Related
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CN201220618624.6U
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Chinese (zh)
Inventor
邓红
陈方正
赵庆平
杨屹茂
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ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co Ltd
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ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co Ltd
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Priority to CN201220618624.6U priority Critical patent/CN203577214U/en
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Abstract

The utility model discloses a fire extinguishing agent gas pressure network monitoring system of gas fire extinguishing system bottle groups. The fire extinguishing agent gas pressure network monitoring system comprises a gas fire extinguishing system bottle group local module, a network transmission module and a remote monitoring module, wherein the gas fire extinguishing system bottle group local module is connected with the remote monitoring module through the network transmission module. By adopting the fire extinguishing agent gas pressure network monitoring system, each bottle group of the gas fire extinguishing system can be remotely monitored and an alarm may be given (through the internet) through an intelligent network monitoring alarming system with a function for inquiring the name and address of a fault unit and with a geological position guide function; when the project pressure is lower than a stipulated value, the alarm is automatically issued, so that the remote monitoring and alarming is realized through the internet. By developing and utilizing the gas fire extinguishing system bottle group pressure network monitoring system, the requirement of people on the firefighting system can be well met.

Description

The extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group
Technical field
The utility model relates to the extinguishing chemical gas pressure network monitoring system of gas extinguishing system (comprise take all extinguishing devices and the gas that punching press gas is pumped (conveying) medium) bottle group.
Background technology
Gas extinguishing system can be puted out a fire to save life and property and can cut off the gas fire of source of the gas before electrical fire, solid, liquid fire and fire extinguishing, is especially applicable to charged expensive device place and must not has the place of water damage; Be widely used in computer floor, communication machine room, central control room, treasure room, bank certificate storehouse, archive office, library, museum, Allocation transformer chamber, Generators in industry and civil buildings, and the safety on railway, subway, tunnel, airport, signal control room etc.; The fire-extinguishing apparatus two large divisions that gas extinguishing system is carried by the control system of surveying, reporting to the police and extinguishing chemical reservoir bottle group, pipe network forms, and fire-extinguishing apparatus part extinguishing chemical reservoir bottle group pressure (carbon dioxide fire extinguishing system is weight) is that gas extinguishing system is crucial.According to GB25972-2010 < < gas extinguishing system and parts > > and GB16668-2010 < < powder extinguishing system and parts general technical specifications > > national Specification, each bottle of group must have leakage detection apparatus (pressure display unit or weighing device), in order to check storage pressure (promoting fire extinguishing to guard plot) and extinguishing chemical leakage rate, when storage pressure reduces 5% lower than minimum operating pressure or extinguishing chemical weight, should be supplemented in time, just can guarantee that fire extinguishing system effectively puts out a fire, at present domestic to the regularly manually inspection one by one of the extinguishing chemical bottle group of dress pressure display unit, can not find in time to exceed the bottle group of leakage rate, especially start the storage pressure of bottle group, because of the minimizing of leakage build-up of pressure, lower than minimum, likely cause extinguishing chemical bottle group not start or partly do not start, can not put out the fire of guard plot, and cause heavy losses, this is in industry, to be badly in need of the technical problem of solution.
Along with expanding economy, need the high-end place of flameproof protection constantly to increase, more and more higher to the reliability of fire extinguishing system, safety requirements, require the fault of fire-extinguishing apparatus and alarm, got rid of in time, guarantee fire-extinguishing apparatus safe and reliable operation.My company determines gas extinguishing system bottle group pressure (weight) network monitoring system of research and development, to each fire extinguishing system, each fire extinguisher bottle group is when pressure or the loss in weight reach prescribed minimum and alarm (at Subscriber Unit) and long-distance monitoring and alarming, very first time signal is sent to equipment manufacturers or maintaining unit, takes measures in time, fixes a breakdown.Domestic gas is stopped fire extinguishing system bottle group extinguishing chemical leakage rate and the pressure loss adopts Pressure gauge mostly, stipulate that minimum working pressure and maximum working (operation) pressure (MWP) pressure range are Green Zone, for allowed band, lower than minimum pressure, need to supplement extinguishing chemical or pressurized gas (nitrogen), pressure inspection need manually be made regular check on, can not pinpoint the problems in time, and mostly adopt at present switching regulator pressure inspection body, Pressure gauge is without demonstration at ordinary times, during inspection, open switch, Pressure gauge shows pressure, check out closing switch, bleed off again Pressure gauge internal gas pressure and make Pressure gauge back to zero, inspection is wasted time and energy.The most Pressure gauges of external product directly show, the bottle group of heptafluoro-propane (FM-200) gas extinguishing system of fire-fighting company of the safe section (TYCO) of the external famous fire-fighting enterprise U.S. is except with pressure display unit, pressure monitor switch is also housed, the bottle group pressure loss is arrived to minimum, can be to FAS system transmission dry contact signal, without long-distance monitoring and alarming technology.
Utility model content
For above-mentioned technological deficiency, the utility model proposes the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
The extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group, comprise that gas extinguishing system bottle organizes local module, network transmission module and far-end monitoring modular, described gas extinguishing system bottle is organized local module and is connected described far-end monitoring modular by described network transmission module.
Further, described gas extinguishing system bottle is organized local module and is comprised data processing single-chip microcomputer, sensor and RS485 bus driver chip; The signal output of described sensor is connected with the input of described data processing single-chip microcomputer through photoelectrical coupler, signal shaping and filtering chip, resistor group; Described data processing single-chip microcomputer is connected with the input of trigger through reverser, triode, relay; 5V transformation chip respectively with data processing single-chip microcomputer voltage input end, fire extinguisher bottle group signal voltage input, the voltage input end of reverser, the voltage input end of signal shaping and filtering chip, the voltage input end of the voltage input end of photoelectrical coupler, relay, the voltage input end of triode and the voltage input end of RS485 bus driver chip are connected; The first port of RS485 bus driver chip is connected with the communication serial ports of data processing single-chip microcomputer, the second port of RS485 bus driver chip is connected with RS485 bus by RS485 EBI, data processing single-chip microcomputer is connected with clock chip by I2C bus, 3.3V transformation chip is powered to clock chip, and data processing single-chip microcomputer leaves the first program debugging interface and is connected with outside.
Further, the 3rd port of RS485 bus driver chip is also connected with the communication serial ports of display module single-chip microcomputer, described display module single-chip microcomputer is connected with 5th ~ 17 pins and the 21st pin in keyboard processing module, 21 faller gill lines respectively, and display module single-chip microcomputer is connected with the input of trigger by resistance, triode, relay; Display module single-chip microcomputer leaves the second program debugging interface and is connected with outside.
Further, described network transmission module comprises RS485 EBI, Ethernet serial ports modular converter; RS485 bus first end is received RS485 EBI, the second end is received the first end of Ethernet serial ports modular converter, RS485 bus protocol is converted into TCP/IP format protocol through Ethernet serial ports modular converter, and is transferred to far-end monitoring modular by Ethernet.
Further, an access 5V transformation chip of input+24V power supply, the voltage of 24V is become to the dc source output of 5V, the 5V power supply of output enters into by electrochemical capacitor C1, C2, commutation diode D1, inductance H1, magnetic bead inductance L 1, capacitor C 3, filtering and shaping circuit that C4 forms carry out filtering and Shape correction, shaping and filtered 5V power supply are working power, another access 3.3V transformation chip of input+24V power supply, the voltage of 24V is become to the dc source output of 3.3V, the 3.3V power supply of output enters into by electrochemical capacitor C5, C6, commutation diode D2, inductance H2, magnetic bead inductance L 2, capacitor C 7, filtering and shaping circuit that C8 forms carry out filtering and Shape correction, the working power of 3.3V is provided.
Further, when fire extinguisher bottle state changes, switch on power, through by resistance R 11, after R6 dividing potential drop, be linked into the input of photoelectrical coupler chip, the signal collecting is carried out to photoelectricity isolation, signal process after isolation is by resistance R 36, be input to signal shaping and filtering microarray biochip signal is carried out after Shape correction, signal, after resistor group, is linked into data processing single-chip microcomputer.
The beneficial effects of the utility model are: this design realizes long-range (passing through internet) monitoring, reports to the police and can inquire about trouble unit title, address by arranging each bottle of group of all gas fire extinguishing system, and has the intelligent network monitoring and alarming system of geographical position guiding function; This project pressure, lower than setting automatic alarm, is realized by internet long-distance monitoring and alarming.The exploitation of gas extinguishing system bottle group pressure network monitoring system and application are just well positioned to meet the requirement of people to fire-fighting system.Therefore, the exploitation of gas extinguishing system bottle group pressure network monitoring system and the market prospects of application are very good.
Accompanying drawing explanation
Fig. 1 is gas extinguishing system pressure network monitoring system schematic diagram;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the circuit diagram of the utility model embodiment power module;
Fig. 4 is the circuit diagram that the utility model embodiment monitors primary module I2C serial bus communication circuit module;
Fig. 5 is that the utility model embodiment is the circuit diagram of fire extinguisher bottle group circuit module;
Fig. 6 is that the utility model embodiment is fire extinguisher bottle group state signal collecting circuit;
Fig. 7 is that the utility model embodiment is the communication circuit module of primary module;
Fig. 8 is that the utility model embodiment is primary module and the communication circuit module of expanding module
Fig. 9 is that the utility model embodiment is the communication circuit module of expansion module;
Figure 10 is that the utility model embodiment is Ethernet conversion module;
Figure 11 is that the utility model embodiment is for showing and keyboard processing module;
Figure 12 is the utility model embodiment display module starting-up interface;
Figure 13 is the utility model embodiment monitoring function interface;
Figure 14 is that the utility model embodiment parameter arranges interface;
Figure 15 is the hardware configuration schematic diagram of the utility model embodiment node module;
Figure 16 is the interface of the utility model embodiment far-end software supervision.
Description of reference numerals:
Towards its feature of fire-suppression bottle group network monitoring system, comprise and analyze and process primary module a, keyboard Graphics Processing module b, expansion module c and ethernet communication module d form.
1, primary module data processing single-chip microcomputer C8051F021; 2, fire extinguisher bottle group signal 3, photoelectrical coupler; 4, signal shaping and filtering chip; 5, reverser; 6, triode; 7, relay; 8, battery; 9, real-time clock DS1302; 10 ,+24V input interface; 11, power protection; 12 ,+5V voltage-stabilized power supply; 13, RS485 communication interface; 14, IS762 communication interface; 15, RS485 bus;
16, RS485 conversion chip; 17, LPC2138 processor; 18, push-button array; 19, report to the police and export; 20, LCDs; 21,3.3V Voltage stabilizing module; 22, protection chip; 23, DC24V input interface; 24, JTAG debugging interface;
25, the second road RS485 bus; 26, RS485 drives chip; 27, power supply voltage stabilizing chip; 28, STC11XE060 processor; 29, sensor input interface; 30, interlock output interface;
31, RS485 communication interface chip; 32, ethernet module; 33, DC24 input interface; 34 ,+3.3V voltage stabilizing chip.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Whole scheme Design
Extinction using gas bottle network monitoring system is mainly comprised of three parts: gas extinguishing system bottle is organized local module, Internet Transmission and three parts of far-end monitoring, as shown in Figure 1.
Gas extinguishing system bottle is organized local module by gas extinguishing system bottle group, pressure sensor (such as: pressure switch) and pressure monitor transport module form.Pressure sensor is connected in gas extinguishing system bottle group, and the signal end of pressure sensor is connected with pressure monitor transport module, feeds back at any time the pressure condition of fire extinguisher bottle group to pressure monitor transport module.Pressure monitor transport module can, by the mode of poll, be monitored the pressure condition of a plurality of gas extinguishing system bottle groups, and at times monitor data be passed by Ethernet interface.
Internet Transmission is mainly comprised of two parts of Inside and outside network.Pressure monitor transport module is transferred to network server end by monitored data by Intranet, by the webserver, is shone upon, and the monitored data of Intranet is transferred to public network (Ethernet), for remote equipment, connects and data interaction.
Far-end monitoring utilizes monitoring of software by far-end computer, by Ethernet, controls data acquisition and the reception that gas extinguishing system bottle is organized local module.How far-end monitoring of software can monitor the gas pressure situation of a plurality of gas extinguishing system bottle groups by the mode of poll.When there are abnormal conditions, far-end monitoring of software can automatic alarm, and automatic access internet, downloads and obtain the map of corresponding accident spot and go to path simultaneously, for staff's local gas extinguishing system bottle group of safeguarding that accidents happened of rushing in time.
Gas extinguishing system bottle group gas pressure monitoring module (slave computer)
Shown in following Fig. 2-Figure 11 of detailed structure of the design.Wherein, the master-plan explanation that Fig. 1 is node module, Fig. 3-Figure 11 is the detailed design explanation of each part of node module.
As shown in Figure 2, the signal of sensor output (2) is connected with the input of primary module data processing single-chip microcomputer C8051F021 (1) through photoelectrical coupler TLP512 (3), signal shaping and filtering chip LP2091N (4), resistor group RESPACK4-4 in fire extinguisher bottle group circuit module; Primary module data processing single-chip microcomputer C8051F021 (1) is connected through reverser 74HC04 (5), triode S9013 (6), relay R ELAY-SPST (7) control end; 5V transformation chip LM2575 (15) respectively with single-chip microcomputer C8051F021 (1) voltage input end, fire extinguisher bottle group signal voltage input (2), the voltage input end of the voltage input end of reverser 74HC04 (5), signal shaping and filtering chip LM2091N (4), the voltage input end of photoelectrical coupler TLP512 (3), the voltage input end of relay R ELAY-SPST (7), the voltage input end of triode S9013 (6); The input and output such as the input of RS485 bus driver chip MAX485 (13) is connected are connected with processor; Data processing single-chip microcomputer C8051F021 (1) is connected with IS16C762 (14) by spi bus; First group of being connected with expansion module by RS485 bus driver chip MAX3485 of IS16C762; Second group of being connected with Ethernet expansion module by RS485 bus driver chip MAX3485 of IS16C762; Primary module data processing single-chip microcomputer C8051F021 (1) is connected with clock chip DS1302 by I2C bus, battery (8) is as clock chip DS1302(9) stand-by power supply, primary module data processing single-chip microcomputer C8051F021 leaves program debugging interface and is connected with outside.Ethernet converter and business information services device module: RS485 bus first end is received RS485 EBI, the second end is received the first end of intelligent embedded type Ethernet serial ports modular converter (32), RS485 bus protocol is converted into TCP/IP format protocol through Ethernet modular converter, and is transferred to business data server (14) by Ethernet (13).The port of RS485 bus driver chip MAX3485 (13) and display module RS3485 interface chip are realized communication connection by RS485 bus (15) with the single-chip microcomputer LPC2138 (17) of display module; IS16C762(14) the first port is connected with expansion module with RS485 bus (25) by RS485 bus driver chip MAX3485.IS16C762(14) the second port is connected with expansion module (C) with RS485 bus by RS485 bus driver chip MAX3485.
As shown in Figure 3, power module.Be input to system+one of 24V power supply access LM2575 transformation chip, the voltage of 24V is become to the dc source output of 5V, the 5V power supply of output enters into the filtering and the shaping circuit that electrochemical capacitor C1, C2, commutation diode D1, inductance H1, magnetic bead inductance L 1, capacitor C 3, C4, consist of and carries out filtering and Shape correction, and shaping and filtered 5V power supply are system works power supply.An access LM2575 transformation chip, the voltage of 24V is become to the dc source output of 3.3V, the 3.3V power supply of output enters into the filtering and the shaping circuit that electrochemical capacitor C5, C6, commutation diode D2, inductance H2, magnetic bead inductance L 2, capacitor C 7, C8, consist of and carries out filtering and Shape correction, and the working power of 3.3V is provided.
As shown in Figure 4, be monitoring primary module I2C serial bus communication circuit module.The P0.2 of primary module data processing single-chip microcomputer C8051F021 (1) and P0.3 pin form I2C communication bus, be connected to the I2C bus input end of clock chip DS1302, realize the data communication between primary module data processing single-chip microcomputer C8051F021 (1) and DS1302.The sheet that the P1.7 pin of primary module data processing single-chip microcomputer C8051F021 (1) is linked into DS1302 selects input, forms the chip selection signal of clock chip DS1302.
As shown in Figure 5, be fire extinguisher bottle group circuit module.Primary module single-chip microcomputer C8051F021 (1) by pin P2.4, unlatching that oppositely chip 74HC04 (5) and current-limiting resistance R17 control triode S9013 (6) whether.When three utmost point S9013 open, utilize the circuit amplification principle of triode, can cross larger electric current at the coil midstream of relay R ELAY-SPST, the switch of relay top thereby generation magnetic force closes, connect the turning circuit of trigger, wherein diode D11 forms the discharge circuit of relay; When P2.4 useful signal, do the used time, light emitting diode conducting is luminous.
As shown in Figure 6, be fire extinguisher bottle group state signal collecting circuit.When fire extinguisher bottle state changes, switch on power, first pass through by resistance R 11, R6 dividing potential drop, is then linked into the input of photoelectrical coupler chip TLP521 (3), and the signal collecting is carried out to photoelectricity isolation.Signal process after isolation is by resistance R 36, being input to signal shaping and filtering chip LP2901N (4) chip carries out after Shape correction signal, signal, after resistor group RESPACK4-4, is linked into the P3.1 pin of primary module single-chip microcomputer C8051F021 (1); Can You Shi road Acquisition Circuit on primary module, and can expand, when inputting, one-chip machine port adds pull-up resistor, and corresponding indication point is lighted.
As shown in Figure 7, be the communication circuit module of primary module.It is exactly RS485 bus communication circuit module, the TXD of primary module data processing single-chip microcomputer C8051F021 (1) is connected with the port of RS485 bus driver chip MAX485 (9) with the serial ports that RXD pin forms primary module single-chip microcomputer, the P0.7 of primary module data processing single-chip microcomputer C8051F021 (1) is connected to the sheet choosing end that drives chip MAX485 (9), forms its chip selection signal.Form the communication between primary module data processing single-chip microcomputer C8051F021 (1) and RS485 bus (11).Resistance R 1, R2 and R3 form the terminal regulating circuit of RS485 bus; Capacitor C 3, C4, resistance R 5, R4, diode D2, D3, D4 form voltage stabilizing and the filter circuit of MAX485.
As shown in Figure 8, for the communication circuit module of primary module with expansion module, the P0.6 of primary module data processing single-chip microcomputer C8051F021 (1) is as the chip selection signal of chip SC16IS752, P0.2 is as the clock signal of chip SC16IS752, P0.3, P0.4 is as data transfer signal, a port of chip SC16IS752 is done the connection of expansion module by RS485 bus driver chip MAX485, one end is connected with intelligent embedded type Ethernet serial ports modular converter by RS485 bus driver chip MAX485, they are by resistance R 1, R2 and R3 form the terminal regulating circuit of RS485 bus, capacitor C 3, C4, resistance R 5, R4, diode D2, D3, D4 form voltage stabilizing and the filter circuit of MAX485.
As shown in Figure 9, the communication circuit module of expansion module.It is exactly RS485 bus communication circuit module, the TXD of expansion module data processing single-chip microcomputer STC11F60XE is connected with the port of RS485 bus driver chip MAX485 with the serial ports that RXD pin forms expansion module single-chip microcomputer, the P3.2 of expansion module data processing single-chip microcomputer STC11F60XE is connected to the sheet choosing end that drives chip MAX485, forms its chip selection signal.Form the communication between expansion module data processing single-chip microcomputer STC11F60XE and RS485 bus.Resistance R 1, R2 and R3 form the terminal regulating circuit of RS485 bus; Capacitor C 3, C4, resistance R 5, R4, diode D2, D3, D4 form voltage stabilizing and the filter circuit of MAX485.
As shown in figure 10, Ethernet conversion module.The TXD of conversion module ZNE-100TL is connected with the port of RS485 bus driver chip MAX485 with RXD pin, and 8 pin of ZNE-100TL are connected to the sheet choosing end that drives chip MAX485, form its chip selection signal.Form the communication between expansion module data processing single-chip microcomputer STC11F60XE and RS485 bus.Resistance R 1, R2 and R3 form the terminal regulating circuit of RS485 bus; Capacitor C 3, C4, resistance R 5, R4, diode D2, D3, D4 form voltage stabilizing and the filter circuit of MAX485.
As shown in figure 11, demonstration and keyboard processing module.The output of push-button array is connected with P1_22-P1_25 port of keystroke handling single-chip microcomputer LPC2138; 10th ~ 17 pins of P0_10-P0_17 port of keystroke handling single-chip microcomputer LPC2138 by 21 faller gill lines are connected and are connected with the data input pin of LCDs; The reading and writing data signal of LCDs is connected with P0_19 port by 5th ~ 6 pins of 21 faller gill lines and the P0_20 of keystroke handling single-chip microcomputer LPC2138; The sheet choosing end of LCDs is connected with the P0_18 of keystroke handling single-chip microcomputer LPC2138 by the 7th pin of 21 faller gill lines.
Display module is for showing the situation of the pressure monitor of gas extinguishing system bottle group.Wherein, as shown in figure 13, parameter arranges interface as shown in figure 14 to display module starting-up interface (showing 3 seconds) at monitoring function interface as shown in figure 12.
The hardware pictorial diagram of node module is illustrated in fig. 15 shown below: have primary module, expansion module and transport module three parts form.Primary module carries out the acquisition and processing of data, and expansion module carries out the collection of data, and transport module is connected with Ethernet, and the data after acquisition and processing are passed by Ethernet.
After node module powers on, primary module and expansion module have the indicator lamp of pressure detecting input signal end and leakage and eruption, when there is the situation of leakage or eruption, and corresponding green light; Primary module has the indicator lamp of transfer of data, and primary module gathers primary module and expansion module in the mode of poll, the pressure detecting signal of each input, and when transfer of data, transfer of data indicator lamp blinking red lamp; Transport module connects Ethernet, the indicator lamp that has network to connect.When Ethernet successful connection, the green light of Internet Transmission.
Native system adopts hardware bayonet socket to install, external 24V dc source, and volume is little, and antijamming capability is strong, is applicable to being placed on for a long time various places, for example, in factory building, in warehouse etc.Wherein display screen can be arranged separately in the correct position of extinction using gas bottle group.
The host computer monitoring software of gas extinguishing system bottle group gas pressure
The interface of far-end software supervision as shown in figure 16.Monitoring software interface mainly contains four major parts: communication state, warning message, various user's action buttons in miscommunication address and the lower right corner.
Communication state: display network connection status, if the IP address of adding can be communicated with, shows that communication is normal; If connect normal and have warning, showing " warning of xx bar "; If there is IP to connect, show " server refusal connects ".
Add record: IP: if Intranet is used, IP fills in IP address of internal network; If outer net is used, IP fills in outer net IP address.Port numbers: 4001.Module sequence number: primary module is 0, expansion module is 1,2 ... increase progressively successively.Period in module: be load-carrying numbering in same module, 0 is Base Serial Number.Steel cylinder number: inoperative.Project information: can freely fill in.Positional information: the address informations such as province, city, county are used for determining monitoring place position.
Warning message inquiry: it is just passable that warning message inquiry now need to stop software, final version can be carried out warning message inquiry in monitoring.Click " inquiry of reporting to the police ".
Record queries: when opening, cannot inquire about by software, and need to inquiry before operation.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, without departing from the concept of the premise utility; can also make some improvements and modifications, these improvements and modifications also should be considered as in the utility model protection domain.

Claims (5)

1. the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group, it is characterized in that, comprise that gas extinguishing system bottle organizes local module, network transmission module and far-end monitoring modular, described gas extinguishing system bottle is organized local module and is connected described far-end monitoring modular by described network transmission module, and described gas extinguishing system bottle is organized local module and comprised data processing single-chip microcomputer, sensor and RS485 bus driver chip; The signal output of described sensor is connected with the input of described data processing single-chip microcomputer through photoelectrical coupler, signal shaping and filtering chip, resistor group; Described data processing single-chip microcomputer is connected with the input of trigger through reverser, triode, relay; 5V transformation chip respectively with data processing single-chip microcomputer voltage input end, fire extinguisher bottle group signal voltage input, the voltage input end of reverser, the voltage input end of signal shaping and filtering chip, the voltage input end of the voltage input end of photoelectrical coupler, relay, the voltage input end of triode and the voltage input end of RS485 bus driver chip are connected; The first port of RS485 bus driver chip is connected with the communication serial ports of data processing single-chip microcomputer, the second port of RS485 bus driver chip is connected with RS485 bus by RS485 EBI, data processing single-chip microcomputer is connected with clock chip by I2C bus, 3.3V transformation chip is powered to clock chip, and data processing single-chip microcomputer leaves the first program debugging interface and is connected with outside.
2. the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group according to claim 1, it is characterized in that, the 3rd port of RS485 bus driver chip is also connected with the communication serial ports of display module single-chip microcomputer, described display module single-chip microcomputer is connected with 5th ~ 17 pins and the 21st pin in keyboard processing module, 21 faller gill lines respectively, and display module single-chip microcomputer is connected with the input of trigger by resistance, triode, relay; Display module single-chip microcomputer leaves the second program debugging interface and is connected with outside.
3. the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group according to claim 1, is characterized in that, described network transmission module comprises RS485 EBI, Ethernet serial ports modular converter; RS485 bus first end is received RS485 EBI, the second end is received the first end of Ethernet serial ports modular converter, RS485 bus protocol is converted into TCP/IP format protocol through Ethernet serial ports modular converter, and is transferred to far-end monitoring modular by Ethernet.
4. the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group according to claim 1, it is characterized in that, an access 5V transformation chip of input+24V power supply, the voltage of 24V is become to the dc source output of 5V, the 5V power supply of output enters into by electrochemical capacitor C1, C2, commutation diode D1, inductance H1, magnetic bead inductance L 1, capacitor C 3, filtering and shaping circuit that C4 forms carry out filtering and Shape correction, shaping and filtered 5V power supply are working power, another access 3.3V transformation chip of input+24V power supply, the voltage of 24V is become to the dc source output of 3.3V, the 3.3V power supply of output enters into by electrochemical capacitor C5, C6, commutation diode D2, inductance H2, magnetic bead inductance L 2, capacitor C 7, filtering and shaping circuit that C8 forms carry out filtering and Shape correction, the working power of 3.3V is provided.
5. the extinguishing chemical gas pressure network monitoring system of gas extinguishing system bottle group according to claim 1, it is characterized in that, when fire extinguisher bottle state changes, switch on power, process is by resistance R 11, after R6 dividing potential drop, be linked into the input of photoelectrical coupler chip, the signal collecting is carried out to photoelectricity isolation, and the signal after isolation, through by resistance R 36, is input to signal shaping and filtering microarray biochip signal is carried out after Shape correction, signal, after resistor group, is linked into data processing single-chip microcomputer.
CN201220618624.6U 2012-11-19 2012-11-19 Fire extinguishing agent gas pressure network monitoring system of gas fire extinguishing system bottle group Expired - Fee Related CN203577214U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974064A (en) * 2012-11-19 2013-03-20 浙江信达可恩消防实业有限责任公司 Fire-extinguishing agent gas pressure network monitoring system of gas fire-extinguishing system bottle unit
CN104466936A (en) * 2014-10-30 2015-03-25 成都众山科技有限公司 Rainfall signal processing circuit with isolation and locking functions
GB2540418A (en) * 2015-07-17 2017-01-18 Graviner Ltd Kidde Aircraft fire suppression system with addressable bottle valve
US10195469B2 (en) 2015-07-17 2019-02-05 Kidde Graviner Limited Fire suppression control system for an aircraft

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102974064A (en) * 2012-11-19 2013-03-20 浙江信达可恩消防实业有限责任公司 Fire-extinguishing agent gas pressure network monitoring system of gas fire-extinguishing system bottle unit
CN102974064B (en) * 2012-11-19 2015-04-22 浙江信达可恩消防实业有限责任公司 Fire-extinguishing agent gas pressure network monitoring system of gas fire-extinguishing system bottle unit
CN104466936A (en) * 2014-10-30 2015-03-25 成都众山科技有限公司 Rainfall signal processing circuit with isolation and locking functions
GB2540418A (en) * 2015-07-17 2017-01-18 Graviner Ltd Kidde Aircraft fire suppression system with addressable bottle valve
US10195469B2 (en) 2015-07-17 2019-02-05 Kidde Graviner Limited Fire suppression control system for an aircraft
US10220228B2 (en) 2015-07-17 2019-03-05 Kidde Graviner Limited Aircraft fire suppression system with addressable bottle valve

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