CN201170917Y - Alarm system for monitoring combustible gas - Google Patents
Alarm system for monitoring combustible gas Download PDFInfo
- Publication number
- CN201170917Y CN201170917Y CNU2007200976438U CN200720097643U CN201170917Y CN 201170917 Y CN201170917 Y CN 201170917Y CN U2007200976438 U CNU2007200976438 U CN U2007200976438U CN 200720097643 U CN200720097643 U CN 200720097643U CN 201170917 Y CN201170917 Y CN 201170917Y
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- alarm
- inflammable gas
- bus
- display
- flammable gas
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Abstract
The utility model relates to a flammable gas monitoring alarm system, which is composed of flammable gas detection probes, on-spot alarm displays, an upper alarm display, a communication transmission bus and an oil depot control system monitoring station; wherein, the flammable gas detection probes are connected with the on-spot alarm displays by adopting a branching connection method; the on-spot alarm displays are connected together by the bus and transmit signals to the upper alarm display through the bus; the upper alarm display transmits the signals to the oil depot control system monitoring station by the method of bus communication; the flammable gas detection probes are placed at the related spots where flammable gas may leak out; on-spot alarms are installed in the operation rooms of the related spots. The flammable gas monitoring alarm system has the following advantages: the flammable gas detection alarms can thoroughly monitor the flammable gas of the whole depot area; an oil depot control system records the historical curve of gas values at different moments; the alarm messages of the alarms can be centralized in a fire management department for alarming.
Description
(1) technical field:
The utility model belongs to a kind of monitor and alarm system, particularly a kind of inflammable gas monitor and alarm system.
(2) background technology:
For a long time, because the oil depot reservoir area of petroleum industry has stored petroleum productss such as big petrol, easily volatilization produces inflammable gass such as isobutane, acetylene, if the system that inflammable gas is in time monitored and reported to the police not will constitute great hidden danger to reservoir area safety.
(3) summary of the invention:
The purpose of this utility model is to design a kind of inflammable gas detection alarm system, adopt field bus type total digitalization system, just can obtain and write down on-the-spot different combustion gas values constantly from the computing machine automatically, report to the police from trend administration of the prevention and control department when having realized the real-time monitoring of on-the-spot inflammable gas and unexpected the generation.
The technical solution of the utility model: a kind of inflammable gas monitor and alarm system is characterized in that it is to be made of inflammable gas detection probe, onsite alarming display, upper attention display, communication transfer bus and oil depot control system monitoring station; Said inflammable gas detection probe adopts the connected mode of line-disparting type to insert the onsite alarming display, the onsite alarming display connects in the mode of bus, and signal being passed to upper attention display according to bus, upper attention display is delivered to oil depot control system monitoring station in the mode of bus communication with signal; Said inflammable gas detection probe is placed in the relevant scene that inflammable gas may leak, and the onsite alarming device is installed in relevant execute-in-place chamber.
Above-mentioned said onsite alarming display adopts 16 passage combustible gas alarm displays, the probe that this alarm can no more than 16 points of number of connection.
Above-mentioned said upper attention display adopts bus input and output formula combustible gas alarm display, places the fire watch chamber.
Above-mentioned said communication transfer bus adopts the RS485 transfer bus.
Above-mentioned said inflammable gas detection probe adopts the probe of 4-20mA standard signal output.
The relevant scene that above-mentioned said inflammable gas may leak is gasoline irrigated area, oil unloading pump house, hair oil booth, trestle, pump canopy or gasoline unloading pump group.
Above-mentioned said oil depot control system monitoring station comprises main frame, should have the accident memory function, can write down the combustion gas value simultaneously at difference history curve constantly; The inflammable gas detection probe can be carried out sound and light alarm by main frame and be shown.
The principle of work of the present utility model and the course of work: the on-the-spot detected combustable gas concentration of probe is sent to the onsite alarming device by the standard signal that probe converts 4-20mA to, after reaching the setting value of alarm, alarm can send sound and light alarm, and outputing to level alarm by RS485 bus secondary, alarm is also delivered to oil depot control system monitoring station by the RS485 bus with alerting signal simultaneously.The Monitoring Data of each probe can be carried out record in real time in monitoring station, and the variation range of the on-the-spot combustable gas concentration of curve display that can describe by computing machine.
Superiority of the present utility model is: 1, flammable gas-detecting alarm device can be realized the comprehensive monitoring to whole reservoir area inflammable gas; 2, main frame has the accident memory function, can write down the combustion gas value simultaneously at difference history curve constantly; 3, spot sensor and alarm adopt bus connecting mode, and each alarm can concentrate on warning message administration of the prevention and control department and report to the police.
(4) description of drawings:
Accompanying drawing 1 is the overall construction drawing of the related a kind of inflammable gas monitor and alarm system of the utility model.
(5) embodiment:
Embodiment: a kind of inflammable gas monitor and alarm system (see figure 1) is characterized in that it is to be made of inflammable gas detection probe, onsite alarming display, upper attention display, communication transfer bus and oil depot control system monitoring station; Said inflammable gas detection probe adopts the connected mode of line-disparting type to insert the onsite alarming display, the onsite alarming display connects in the mode of bus, and signal being passed to upper attention display according to bus, upper attention display is delivered to oil depot control system monitoring station in the mode of bus communication with signal; Said inflammable gas detection probe is placed in the relevant scene that inflammable gas may leak, and the onsite alarming device is installed in relevant execute-in-place chamber.
Above-mentioned said onsite alarming display (see figure 1) adopts 16 passage combustible gas alarm displays, the probe that this alarm can no more than 16 points of number of connection; Adopt 2 onsite alarming display EA-201 and EA-201 in this programme, interconnect by the RS485 bus.
Above-mentioned said upper attention display (see figure 1) adopts bus input and output formula combustible gas alarm display, places the fire watch chamber.
Above-mentioned said communication transfer bus (see figure 1) adopts the RS485 transfer bus.
Above-mentioned said inflammable gas detection probe (see figure 1) adopts the probe of 4-20mA standard signal output; Adopt two groups of inflammable gas detection probe in this programme, one group of T101, T102, T103, T104, T303, T304 totally 6 probes are connected with a field attention display EA-101 line-disparting type; Two groups of hair oil booth 1#, hair oil booth 2#, hair oil booth 3#, gasoline stripping pump, gasoline unloading pump totally 5 probes are connected with an attention display EA-201 line-disparting type.
The relevant on-the-spot (see figure 1) that above-mentioned said inflammable gas may leak is gasoline irrigated area, oil unloading pump house, hair oil booth, trestle, pump canopy or gasoline unloading pump group.
Above-mentioned said oil depot control system (see figure 1) monitoring station comprises main frame, should have the accident memory function, can write down the combustion gas value simultaneously at difference history curve constantly; The inflammable gas detection probe can be carried out sound and light alarm by main frame and be shown.
System equipment type selecting: the inflammable gas probe of equipment choosing Beijing Dean scientific ﹠ technical corporation, alarm.
1, inflammable gas detection probe technical indicator:
Detect principle: carrier catalysis formula (catalytic combustion type); Explosive-proof grade: d П CT6 (containing acetylene); Sensing range: 0～100%LEL: precision: ± 3%; Response time:＜30S; Operating voltage: DC 24V ± 15%; Ambient humidity :≤92%; Working current: 35mA; Working method: fixed installation, diffusion sample introduction, operation continuously for a long time naturally; Power :≤3W; Detection radius: 5～6m; On line mode: two power leads, two signal wires (signal wire must be selected twisted-pair feeder for use); The demarcation of dispatching from the factory: with the calibrating gas demarcation of isobutane with air; Environment temperature :-40～70 degree; Transmission range:＜=1.2KM
2, attention display technical indicator
Dish dress card insert type is installed, and probe is installed and adopted the three-wire system mode of connection; High and low limit secondary is reported to the police and is exported; Has the RS-485 interface; Numeral, the two demonstrations of light beam; The on-the-spot alarming value of setting; The keypad lock function; Black box function; Fault alarm; Sensing range: 0～100%LEL; Precision: ± 3%; Transmission range :≤1.2km; Work is counted: 1～4 point; Time of fire alarming :≤30S; Environment temperature: 0～40 ℃; Ambient humidity :≤93%; Concentration shows: liquid crystal display; Operating voltage: AC220V; Power: 30W; Power backup: 24V, 4AH (accumulator is joined outward); Weight: 5Kg; Overall dimensions: 270 * 248 * 135mm; Contact output: 2 groups of passive normal opened contacts of every card.
Claims (6)
1, a kind of inflammable gas monitor and alarm system is characterized in that it is to be made of inflammable gas detection probe, onsite alarming display, upper attention display, communication transfer bus and oil depot control system monitoring station; Said inflammable gas detection probe adopts the connected mode of line-disparting type to insert the onsite alarming display, the onsite alarming display connects in the mode of bus, and signal being passed to upper attention display according to bus, upper attention display is delivered to oil depot control system monitoring station in the mode of bus communication with signal; Said inflammable gas detection probe is placed in the relevant scene that inflammable gas may leak, and the onsite alarming device is installed in relevant execute-in-place chamber.
2,, it is characterized in that said onsite alarming display adopts 16 passage combustible gas alarm displays, the probe that this alarm can no more than 16 points of number of connection according to the said a kind of inflammable gas monitor and alarm system of claim 1.
3,, it is characterized in that said upper attention display adopts bus input and output formula combustible gas alarm display, places the fire watch chamber according to the said a kind of inflammable gas monitor and alarm system of claim 1.
4,, it is characterized in that said communication transfer bus adopts the RS485 transfer bus according to the said a kind of inflammable gas monitor and alarm system of claim 1.
5,, it is characterized in that said inflammable gas detection probe adopts the probe of 4-20mA standard signal output according to the said a kind of inflammable gas monitor and alarm system of claim 1.
6, according to the said a kind of inflammable gas monitor and alarm system of claim 1, it is characterized in that said oil depot control system monitoring station comprises main frame, should have the accident memory function, can write down the combustion gas value simultaneously at difference history curve constantly; The inflammable gas detection probe can be carried out sound and light alarm by main frame and be shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200976438U CN201170917Y (en) | 2007-11-09 | 2007-11-09 | Alarm system for monitoring combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200976438U CN201170917Y (en) | 2007-11-09 | 2007-11-09 | Alarm system for monitoring combustible gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170917Y true CN201170917Y (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200976438U Expired - Lifetime CN201170917Y (en) | 2007-11-09 | 2007-11-09 | Alarm system for monitoring combustible gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN201170917Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142181A (en) * | 2011-03-02 | 2011-08-03 | 安徽泓瑞医用设备工程有限公司 | Medical gas warning system |
| CN103247152A (en) * | 2013-05-09 | 2013-08-14 | 济南市长清计算机应用公司 | Inflammable gas alarm controller |
| CN103578232A (en) * | 2013-11-01 | 2014-02-12 | 上海翼捷工业安全设备股份有限公司 | Bus type gas monitoring and alarming control system and method |
| CN108230627A (en) * | 2018-02-13 | 2018-06-29 | 东莞三江港口储罐有限公司 | A kind of combustible gas monitoring system for oil depot |
-
2007
- 2007-11-09 CN CNU2007200976438U patent/CN201170917Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142181A (en) * | 2011-03-02 | 2011-08-03 | 安徽泓瑞医用设备工程有限公司 | Medical gas warning system |
| CN102142181B (en) * | 2011-03-02 | 2016-10-12 | 安徽泓瑞医用设备工程有限公司 | Medical gas warning system |
| CN103247152A (en) * | 2013-05-09 | 2013-08-14 | 济南市长清计算机应用公司 | Inflammable gas alarm controller |
| CN103578232A (en) * | 2013-11-01 | 2014-02-12 | 上海翼捷工业安全设备股份有限公司 | Bus type gas monitoring and alarming control system and method |
| CN103578232B (en) * | 2013-11-01 | 2016-09-07 | 上海翼捷工业安全设备股份有限公司 | Bus-type gas-monitoring and alarm control system and method |
| CN108230627A (en) * | 2018-02-13 | 2018-06-29 | 东莞三江港口储罐有限公司 | A kind of combustible gas monitoring system for oil depot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081224 |