CN105608843A - Combustible gas alarm control system - Google Patents
Combustible gas alarm control system Download PDFInfo
- Publication number
- CN105608843A CN105608843A CN201410669454.8A CN201410669454A CN105608843A CN 105608843 A CN105608843 A CN 105608843A CN 201410669454 A CN201410669454 A CN 201410669454A CN 105608843 A CN105608843 A CN 105608843A
- Authority
- CN
- China
- Prior art keywords
- module
- combustible gas
- main controller
- control system
- alarm control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a combustible gas alarm control system comprising eight detector modules used for acquiring the concentration of combustible gas of a site in real time, a branching interface module used for receiving combustible gas concentration signals transmitted by the eight detector modules at 4-20ma and converting the combustible gas concentration signals into voltage signals, and a main controller module used for receiving the voltage signals output by the branching interface module and judging the concentration of combustible gas of the site according to data acquired in real time. The output end of the main controller module is connected with a display module, an acousto-optic alarm module and an optical coupling isolation module. The output end of the optical coupling isolation module is connected with a linkage module. The main controller module is connected with a communication module for communicating with a principal computer. The combustible gas alarm control system further comprises a main power supply module and a standby power supply module. The combustible gas alarm control system has high stability and strong anti-interference ability, and facilitates real-time observation of the complex condition of the site.
Description
Technical field
The present invention relates to a kind of alarm control system, be specifically related to a kind of combustible gas alarm control systemSystem.
Background technology
Along with social development, the relation between gas and the mankind is more and more closer. Gaseous species is various,Wherein pernicious gas has had a strong impact on people's work and has lived in order to ensure the peace of people's lives and propertiesEntirely, add that present urbanization paces are more and more faster, resident is more and more extensive to the use of combustion gas, combustion gasSafety detection is more and more important, and alarm is because it is safe and reliable, easy to operately more carrys out to be also more subject to peopleWelcome, warning system in the market can be divided into 2 kinds of line-disparting type and EBIs. Line-disparting type canCombustion gas body alarm control system is widely used in by force gas station with its reliable and stable antijamming capabilityDeng life and industrial every aspect. Because a lot of line-disparting type detectors can not be seen by host computerExamine on-the-spot gas concentration real-time status, interlock output also not interlock output equipment (forceful electric power) andSeparately, so design a energy, by host computer, Test Field is dense in real time for control module (light current)Degree information and relevant alarm failure information, interlock output equipment (forceful electric power) and control module (light current)Fuel gas detection alarm control system is separately necessary.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of fuel gas report is providedAlert control system. Reasonable in design of the present invention, good stability, antijamming capability is strong, safe and reliable,Be convenient to the complex situations at Real Time Observation scene, be convenient to promote the use of.
For achieving the above object, the technical solution used in the present invention is: a kind of combustible gas alarm controlSystem, is characterized in that: comprise the combustable gas concentration Ba road detector for Real-time Collection sceneModule, the fuel gas transmitting with 4 to 20ma form for receiving described eight road detector modulesConcentration signal also converts described combustable gas concentration signal to separated time interface module, the use of voltage signalIn receive the voltage signal of described separated time interface module output and according to Real-time Collection to data sentenceThe main controller module of disconnected tested on-the-spot combustable gas concentration, the output of described eight road detector modulesJoin with the input of separated time interface module, the output of described separated time interface module and master controller mouldThe input of piece joins, and the output of described main controller module is connected to for can by described tested sceneThe combustion display module that shows of gas concentration value and reaching for the concentration when tested on-the-spot fuel gasDuring to certain concentration, point out the sound and light alarm module of warning message, the output of described main controller moduleEnd is also connected to light-coupled isolation module, and the output of described light-coupled isolation module is connected to interlocking module; DescribedMain controller module is connected to the communication module for communicating with host computer; This combustible gas alarm controlSystem processed also comprises that in the time that main piezoelectric voltage is normal, being respectively modules provides the main power supply mould of voltagePiece and the standby power supply module of voltage is provided for modules in the time that main electric power work is undesired.
Above-mentioned a kind of combustible gas alarm control system, is characterized in that: described main controller moduleInput be connected to the key-press module for the parameter of main controller module is arranged.
Above-mentioned a kind of combustible gas alarm control system, is characterized in that: described main controller moduleAdopt STM32F103VET6 single-chip microcomputer.
Above-mentioned a kind of combustible gas alarm control system, is characterized in that: described sound and light alarm moduleAdopt four tones of standard Chinese pronunciation alarm voice chip CK9561.
Above-mentioned a kind of combustible gas alarm control system, is characterized in that: described communication module adoptsRS485 communication module.
The present invention compared with prior art has the following advantages:
1, reasonable in design: comprise main power supply module, standby power supply module, detector module,Separated time interface module, main controller module, display module, key-press module, sound and light alarm module, lightCoupling isolation module, interlocking module, RS485 communication module, upper computer module.
2, good stability, antijamming capability is strong: adopt line-disparting type three-wire system 4 to 20ma to transmit existingField gas concentration information.
3, safe and reliable: in the time of main electric cisco unity malfunction, can to automatically switch to stand-by power supply power supplyState, that piece of interlocking module has also adopted light-coupled isolation that weakness and forceful electric power are separated, and driver module is adoptedMeet requirement of explosion proof with alternating current-direct current solid-state relay.
4, be convenient to Real Time Observation: host computer can be dense by the real-time Test Field of RS485 communication moduleDegree information and relevant alarm failure information.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-eight road detector modules; 2-separated time interface module; 3-main controller module;
4-display module; 5-key-press module; 6-sound and light alarm module;
7-light-coupled isolation module; 8-interlocking module; 9-communication module;
10-host computer.
Detailed description of the invention
A kind of combustible gas alarm control system as shown in Figure 1, comprises for Real-time Collection sceneCombustable gas concentration Ba road detector module 1, for receiving described eight road detector modules 1 with 4The combustable gas concentration signal transmitting to the form of 20ma is also changed described combustable gas concentration signalBecome the separated time interface module 2 of voltage signal, the voltage of exporting for receiving described separated time interface module 2Signal and according to Real-time Collection to data judge the master controller of tested on-the-spot combustable gas concentrationModule 3, the input of the output of described eight road detector modules 1 and separated time interface module 2 joins,The input of the output of described separated time interface module 2 and main controller module 3 joins, described master controlThe output of device module 3 processed is connected to for described tested on-the-spot combustable gas concentration value shownDisplay module 4 and when reach certain concentration when the concentration of tested on-the-spot fuel gas prompting report to the policeThe sound and light alarm module 6 of information, the output of described main controller module 3 is also connected to light-coupled isolation mouldPiece 7, the output of described light-coupled isolation module 7 is connected to interlocking module 8; Described main controller module 3Be connected to the communication module 9 for communicating with host computer 10; This combustible gas alarm control system alsoComprise that in the time that main piezoelectric voltage is normal, being respectively modules provides the main power supply module of voltage and work as mainThe standby power supply module of voltage is provided for modules when electricity power work is undesired.
As shown in Figure 1, the input of described main controller module 3 is connected to for to main controller moduleThe key-press module 5 that 3 parameter arranges.
In the present embodiment, described main controller module 3 adopts STM32F103VET6 single-chip microcomputer. DescribedSound and light alarm module 6 adopts four tones of standard Chinese pronunciation alarm voice chip CK9561. Described communication module 9 adopts RS485Communication module.
Specific works process of the present invention is: first main controller module 3 and each chip initialized,After showing start interface of main menu and postponing 120S, system starts. After system starts, master controller mouldPiece 3 gathers detector data on each node by separated time interface module 2. Main controller module 3 will be adoptedCollection to data and its data storehouse in data compare, process after, whether judge gas concentrationExceed standard. If exceeded standard, start corresponding interlocking module 8 and undertaken by sound and light alarm module 6Sound and light alarm; In the time detecting that the concentration of fuel gas reaches lower bound concentration, carry out the moving of lower boundDo: detector lower bound alarm lamp is bright, and loudspeaker are pointed out the sound of low warning, Control air draftBlower fan action (switching signal). In the time detecting that the concentration of fuel gas reaches high limit concentrationCarry out the action of high limit: the high limit of detector alarm lamp is bright, the sound that the high limit of loudspeaker prompting is reported to the police,Control stop valve action (pulse signal). If short circuit also has spy as open circuit power failureLoudspeaker prompting knocking noise while surveying the short circuit of device open circuit. Main controller module 3 by RS485 interface andHost computer communication, user can be realized main controller module 3 is carried out to Long-distance Control by host computer, andMonitoring concentration information in real time. If gas concentration does not exceed standard, 3 of main controller modules continue poll and adoptThe concentration information of the each detector node of sample.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions, allAny simple modification, change and the equivalence of above embodiment being done according to the technology of the present invention essenceStructural Transformation, all still belongs in the protection domain of technical solution of the present invention.
Claims (5)
1. a combustible gas alarm control system, is characterized in that: comprise for Real-time Collection existingCombustable gas concentration Ba road detector module (1), for receiving described No. eight detector mouldsPiece (1) is with the combustable gas concentration signal of 4 to 20ma forms transmission and by dense described fuel gasDegree signal converts the separated time interface module (2) of voltage signal to, described in receiving, divides line interface mouldThe voltage signal of piece (2) output and according to Real-time Collection to data judge tested on-the-spot combustible gasThe main controller module (3) of bulk concentration, output and the separated time of described eight road detector modules (1)The input of interface module (2) joins, output and the main control of described separated time interface module (2)The input of device module (3) joins, and the output of described main controller module (3) is connected to for inciting somebody to actionThe display module (4) that described tested on-the-spot combustable gas concentration value shows and tested existing for working asWhen reaching certain concentration, the concentration of fuel gas points out the sound and light alarm module (6) of warning message,The output of described main controller module (3) is also connected to light-coupled isolation module (7), described optocoupler everyBe connected to interlocking module (8) from the output of module (7); Described main controller module (3) is connected toBe used for the communication module (9) communicating with host computer (10); This combustible gas alarm control systemSystem also comprise when main piezoelectric voltage is normal, be respectively main power supply module that modules provides voltage withThe standby power supply module of voltage is provided for modules in the time that main electric power work is undesired.
2. a kind of combustible gas alarm control system according to claim 1, is characterized in that:The input of described main controller module (3) is connected to for the parameter of main controller module (3) is enteredThe key-press module (5) that row arranges.
3. a kind of combustible gas alarm control system according to claim 1, is characterized in that:Described main controller module (3) adopts STM32F103VET6 single-chip microcomputer.
4. a kind of combustible gas alarm control system according to claim 1, is characterized in that:Described sound and light alarm module (6) adopts four tones of standard Chinese pronunciation alarm voice chip CK9561.
5. a kind of combustible gas alarm control system according to claim 1, is characterized in that:Described communication module (9) adopts RS485 communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669454.8A CN105608843A (en) | 2014-11-20 | 2014-11-20 | Combustible gas alarm control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669454.8A CN105608843A (en) | 2014-11-20 | 2014-11-20 | Combustible gas alarm control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105608843A true CN105608843A (en) | 2016-05-25 |
Family
ID=55988749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410669454.8A Pending CN105608843A (en) | 2014-11-20 | 2014-11-20 | Combustible gas alarm control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105608843A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290747A (en) * | 2016-11-04 | 2017-01-04 | 上海翼捷工业安全设备股份有限公司 | There is gas alarm controller and the control method thereof of multi-channel module structure |
| CN107966544A (en) * | 2017-12-26 | 2018-04-27 | 重庆光可巡科技有限公司 | Avoid the correction system of the combustible gas probe of manual synchronizing |
-
2014
- 2014-11-20 CN CN201410669454.8A patent/CN105608843A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290747A (en) * | 2016-11-04 | 2017-01-04 | 上海翼捷工业安全设备股份有限公司 | There is gas alarm controller and the control method thereof of multi-channel module structure |
| CN107966544A (en) * | 2017-12-26 | 2018-04-27 | 重庆光可巡科技有限公司 | Avoid the correction system of the combustible gas probe of manual synchronizing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103839383A (en) | Gas alarm | |
| CN103839381A (en) | Household gas safety detection and alarm system | |
| CN206639364U (en) | A kind of long-range uninterrupted gas alarm device and system in real time | |
| CN204204163U (en) | A kind of combustible gas alarm control system | |
| CN201184899Y (en) | Monitor for electric fire | |
| CN203759455U (en) | Household water leakage detection device | |
| CN203179238U (en) | Detection and alarm safety device for flammable gas leakage | |
| CN204390401U (en) | A kind of smog autoalarm | |
| CN105608843A (en) | Combustible gas alarm control system | |
| CN201917998U (en) | Stand-alone anti-explosion alarm for inflammable gas | |
| CN204044963U (en) | A kind of petrochemical plant safety monitoring based on WSN network and warning system | |
| CN101051409A (en) | Embedded gas surge warning instrument and its working method | |
| CN209928588U (en) | Domestic natural gas leakage alarm device | |
| CN201867920U (en) | Intelligent detection and control device for electric fires | |
| CN202126464U (en) | High-voltage approaching alarm system | |
| CN102682567A (en) | Fireproof and antitheft system of transformer substation | |
| CN203658872U (en) | Swimming pool temperature and liquid level monitoring and alarm instrument | |
| CN202103691U (en) | Intelligent household apparatus based on 3G mobile communication network | |
| CN202632466U (en) | Fire and theft prevention system for substation | |
| CN202549037U (en) | Household wireless alarm device | |
| CN104318720A (en) | STC89C52-based smoke and gas alarm system | |
| CN201725409U (en) | Intelligent gas alarm | |
| CN204650700U (en) | A kind of supervisory system of energy-conserving and environment-protective | |
| CN209570851U (en) | A kind of cab signal collector detection device | |
| CN203069712U (en) | Fault indication apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |