CN105761445A - Gas alarm system and method - Google Patents
Gas alarm system and method Download PDFInfo
- Publication number
- CN105761445A CN105761445A CN201610265281.2A CN201610265281A CN105761445A CN 105761445 A CN105761445 A CN 105761445A CN 201610265281 A CN201610265281 A CN 201610265281A CN 105761445 A CN105761445 A CN 105761445A
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- China
- Prior art keywords
- gas
- gas alarm
- threshold value
- set threshold
- alarm controller
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
Abstract
The embodiment of the invention, which relates to the fuel gas alarm field, provides a gas alarm system and method, so that a technical requirement on a technical staff can be reduced. The system comprises a gas detector, a gas alarm controller, and an alarm device. The gas detector is used for detecting concentration of leaked gas. The gas alarm controller connected with the gas alarm controller by a two-wire-system bus is used for determining the concentration, detected by the gas detector, of the leaked gas exceeds a preset threshold value and starting the alarm device when the detected concentration exceeds the preset threshold value. The alarm device connected with the gas controller by a two-wire-system bus is controlled by the gas alarm controller and is used for sending an alarm signal.
Description
Technical field
The present invention relates to gas alarm field, particularly relate to the system and method for a kind of gas alarm.
Background technology
Along with the development of society, the relation between gas and the mankind is more and more closer.Gaseous species is various, and wherein harmful gas has had a strong impact on work and the life of people.Moreover urbanization paces are increasingly faster now, resident is more and more extensive to the use of combustion gas, therefore, in order to ensure the safety of people's lives and properties, gas safety detection is more and more important, and warning device is because it is safe and reliable, easy to operate, more and more welcomed by the people.Warning system in the market can be divided into line-disparting type and bus type two kinds.Wherein, line-disparting type warning system technology is comparatively ripe, but it can not meet multinode, detect requirement on a large scale.
And although existing bus type warning system can solve above-mentioned line-disparting type warning system Problems existing, but, existing bus type warning system is four-wire system bus, and four-wire system bus is divided into two power lines, two holding wires.Wherein, two power lines are cathode power supply line and anode power cord respectively；Two holding wires are positive signal line and negative signal line respectively.In order to ensure the normal operation of warning system in above-mentioned bus type warning system, it is necessary to warning device correctly accesses power line and holding wire.That is, it is necessary to warning device is when accessing power line, it is impossible to access holding wire, and need the correct cathode power supply line accessing power line and anode power cord.When accessing holding wire, it is impossible to access power line, and need the correct positive signal line accessing holding wire and negative signal line.When the warning device accessed is more, the technology of technical staff is required higher.
Summary of the invention
Embodiments of the invention provide the system and method for a kind of gas alarm, in order to reduce the technology requirement to technical staff.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
Embodiments provide the system of a kind of gas alarm, including: detector, for detecting the concentration of the gas of leakage；The gas alarm controller being connected by two-wire bus with described detector；Described gas alarm controller, for determining that whether the concentration of the gas of leakage that described detector detect is beyond pre-set threshold value, and when beyond pre-set threshold value, startup alarm；With the alarm that described Gas controller is connected by two-wire bus, be controlled by described gas alarm controller, be used for sending alarm signal.
Alternatively, also include: be connected with described gas alarm controller, for warning message is sent the network transmission device to data monitor；Wherein, described warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage；It is connected with described network transmission device, for demonstrating the data monitor of warning message.
Alternatively, described network transmission device is connected with described gas alarm controller and includes: described network transmission device is connected with described gas alarm controller by two-wire bus.
Alternatively, also include: be connected with described gas alarm controller, for controlling the output-controlling device that exhaust fan cuts off the open and close of electromagnetic valve with gas；It is connected with described output-controlling device, and is controlled by exhaust fan and the gas cut-out electromagnetic valve of described output-controlling device.
Alternatively, described output-controlling device is connected with described gas alarm controller and includes: described output-controlling device is connected with described gas alarm controller by two-wire bus.
Alternatively, described gas alarm controller is 96F613RB microprocessor.
Further, a kind of method embodiments providing gas alarm, it is applied to the system of gas alarm described in above-described embodiment, described method includes: the concentration of the gas that detector detection is revealed, and the concentration of the gas of the leakage detected is sent to gas alarm controller by two-wire bus；Described gas alarm controller is according to pre-set threshold value, it is determined that whether the concentration of the gas of the leakage of described detector detection is beyond pre-set threshold value, and when beyond pre-set threshold value, starts alarm.
Alternatively, at described gas alarm controller according to pre-set threshold value, determine that whether the concentration of gas of the leakage that described detector detects is beyond pre-set threshold value, and when beyond pre-set threshold value, after starting alarm, also include: described gas alarm controller sends warning message by network transmission device to data monitor；Described warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage.
Alternatively, at described gas alarm controller according to pre-set threshold value, determine that whether the concentration of gas of the leakage that described detector detects is beyond pre-set threshold value, and when beyond pre-set threshold value, after starting alarm, also include: described gas alarm controller starts exhaust fan by output-controlling device and opens gas cut-out electromagnetic valve.
Embodiments provide the system and method for a kind of gas alarm, including: detector, for detecting the concentration of the gas of leakage；The gas alarm controller being connected by two-wire bus with detector；Gas alarm controller, for determining that whether the concentration of the gas of leakage that detector detect is beyond pre-set threshold value, and when beyond pre-set threshold value, startup alarm；Alarm with Gas controller is connected by two-wire bus, is controlled by gas alarm controller, is used for sending alarm signal.So, the system of gas alarm in the present invention connects gas-detecting device and gas alarm controller by two-wire bus, two-wire bus is without distinguishing power line and holding wire, and two-wire bus is nonpolarity connection, it is without distinguishing positive polarity and negative polarity, greatly reduces the technology requirement to technical staff.Further, the two-wire bus four-wire system bus that compares decreases the bus of use, reduces the cost of the system of gas alarm.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the system of a kind of gas alarm that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the system of the another kind of gas alarm that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the system of the another kind of gas alarm that Fig. 3 provides for the embodiment of the present invention；
The schematic flow sheet of the method for a kind of gas alarm that Fig. 4 provides for the embodiment of the present invention；
The schematic flow sheet of the method for the another kind of gas alarm that Fig. 5 provides for the embodiment of the present invention；
The schematic flow sheet of the method for the another kind of gas alarm that Fig. 6 provides for the embodiment of the present invention；
Accompanying drawing labelling:
10-detector, 11-two-wire bus, 12-gas alarm controller, 13-alarm, 14-data monitor, 15-network transmission device, 16-exhaust fan, 17-gas switching solenoid valve, 18-output-controlling device.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiments provide the system of a kind of gas alarm, as it is shown in figure 1, include:
Detector 10, for detecting the concentration of the gas of leakage.
The gas alarm controller 12 being connected by two-wire bus 11 with detector 10.
Gas alarm controller 12, for determining that whether the concentration of the gas of leakage that detector 10 detect is beyond pre-set threshold value, and when beyond pre-set threshold value, startup alarm 13.
Alarm 13 with Gas controller 12 is connected by two-wire bus 11, is controlled by gas alarm controller 12, is used for sending alarm signal.
Concrete, detector 10 is connected with gas alarm controller 12 by two-wire bus 11, so, when detector 10 detects the gas concentration of leakage, the gas concentration detecting leakage can be sent to gas alarm controller 12 by two-wire bus 11, and then the gas concentration of leakage that detector 10 detects by gas alarm controller 12 is compared with pre-set threshold value, if the gas concentration of the leakage that detector 10 detects is more than pre-set threshold value, then may determine that the gas concentration of the leakage that detector 10 detects is beyond pre-set threshold value, now, gas alarm controller 12 need to start alarm 13, alarm 13 is made to send alarm signal, to inform that user's gas is revealed.
Pre-set according to the actual requirements it should be noted that pre-set threshold value is technical staff.
Further, gas alarm controller 12 is 96F613RB microprocessor.
So, in the system of gas alarm in the present invention, detector 10 is connected by two-wire bus 11 with gas alarm controller 12, and two-wire bus is without distinguishing holding wire and power line, and nonpolarity differentiation, greatly reduce the technology requirement to technical staff.Further, the two-wire bus four-wire system bus that compares decreases the bus of use, reduces the cost of the system of gas alarm.
Further, the system that above-mentioned gas is reported to the police, as in figure 2 it is shown, also include:
It is connected with gas alarm controller 12, for warning message is sent the network transmission device 15 to data monitor 14.It is connected with network transmission device 15, for demonstrating the data monitor 14 of warning message.
Wherein, warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage.
So, gas alarm controller 12 is when determining the concentration of gas of leakage beyond pre-set threshold value, warning message can be sent to network transmission device 15, the warning message received is sent in data monitor 14 by network transmission device 15, in order to manager can pass through data monitor 14 anxious time know gas leakage situation.
Further, network transmission device 15 is connected with gas alarm controller 12 and includes: network transmission device 15 is connected with gas alarm controller 12 by two-wire bus 11.
So, network transmission device 15 and gas alarm controller 12 are connected by two-wire bus 11, owing to two-wire bus 11 is without distinguishing holding wire and power line, and nonpolarity differentiation, reduce further the technology requirement to technical staff.
Further, the system that above-mentioned gas is reported to the police, as it is shown on figure 3, also include:
It is connected with gas alarm controller 12, for controlling the output-controlling device 18 that exhaust fan 16 cuts off the open and close of electromagnetic valve 17 with gas.
It is connected with output-controlling device 18, and is controlled by exhaust fan 16 and the gas cut-out electromagnetic valve 17 of output-controlling device 18.
Concrete, the output-controlling device 18 comprised in the system of gas alarm is connected with gas alarm controller 12, and output-controlling device 18 cuts off electromagnetic valve 17 with exhaust fan 16 and gas and is connected.So, gas alarm controller 12 is when determining the concentration of gas of leakage beyond pre-set threshold value, and gas alarm controller 12 can send to output-controlling device 18 and trigger signal.Such output-controlling device 18 is after receiving triggering signal, it is possible to controls exhaust fan 16 and opens, and controls gas and cut off electromagnetic valve 17 and open so that gas cuts off electromagnetic valve 17 and cuts off the path of gas, and then can block gas and further reveal.
Further, output-controlling device 18 is connected with gas alarm controller 12 and includes: output-controlling device 18 is connected with gas alarm controller 12 by two-wire bus 11.
So, output-controlling device 18 and gas alarm controller 12 are connected by two-wire bus 11, owing to two-wire bus 11 is without distinguishing holding wire and power line, and nonpolarity differentiation, reduce further the technology requirement to technical staff.
Embodiments provide the system of a kind of gas alarm, including: detector, for detecting the concentration of the gas of leakage；The gas alarm controller being connected by two-wire bus with detector；Gas alarm controller, for determining that whether the concentration of the gas of leakage that detector detect is beyond pre-set threshold value, and when beyond pre-set threshold value, startup alarm；Alarm with Gas controller is connected by two-wire bus, is controlled by gas alarm controller, is used for sending alarm signal.So, the system of gas alarm in the present invention connects gas-detecting device and gas alarm controller by two-wire bus, two-wire bus is without distinguishing power line and holding wire, and two-wire bus is nonpolarity connection, it is without distinguishing positive polarity and negative polarity, greatly reduces the technology requirement to technical staff.Further, the two-wire bus four-wire system bus that compares decreases the bus of use, reduces the cost of the system of gas alarm.
A kind of method embodiments providing gas alarm, is applied to the system of gas alarm described in above-described embodiment, said method, as shown in Figure 4, and including:
The concentration of the gas that the detection of step 401, detector is revealed, and the concentration of the gas of the leakage detected is sent to gas alarm controller by two-wire bus.
Step 402, gas alarm controller are according to pre-set threshold value, it is determined that whether the concentration of the gas of the leakage of detector detection is beyond pre-set threshold value, and when beyond pre-set threshold value, starts alarm.
So, the system of gas alarm in the present invention connects gas-detecting device and gas alarm controller by two-wire bus, two-wire bus is without distinguishing power line and holding wire, and two-wire bus is nonpolarity connection, it is without distinguishing positive polarity and negative polarity, greatly reduces the technology requirement to technical staff.Further, the two-wire bus four-wire system bus that compares decreases the bus of use, reduces the cost of the system of gas alarm.
Further, after above-mentioned steps 402, as it is shown in figure 5, also include:
Step 403, gas alarm controller send warning message by network transmission device to data monitor.
Wherein, warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage.
Further, after above-mentioned steps 402, as shown in Figure 6, also include:
Step 404, gas alarm controller start exhaust fan by output-controlling device and open gas cut-out electromagnetic valve.
It should be noted that the order between step 403 and step 404 is not limited by the embodiment of the present invention.Step 403 can be first carried out, then perform step 404；Step 404 can also be first carried out, then perform step 403；Step 403 and step 404 can also be performed simultaneously.Only represent a kind of situation in the example shown.
A kind of method embodiments providing gas alarm, including: the concentration of the gas that its detection of gas detecting is revealed, and the concentration detecting the gas of leakage is sent to gas alarm controller by two-wire bus, gas alarm controller is according to pre-set threshold value, determine that whether the concentration of gas of the leakage that detector detects is beyond pre-set threshold value, and when beyond pre-set threshold value, start alarm.So, the system of gas alarm in the present invention connects gas-detecting device and gas alarm controller by two-wire bus, two-wire bus is without distinguishing power line and holding wire, and two-wire bus is nonpolarity connection, it is without distinguishing positive polarity and negative polarity, greatly reduces the technology requirement to technical staff.Further, the two-wire bus four-wire system bus that compares decreases the bus of use, reduces the cost of the system of gas alarm.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. the system of a gas alarm, it is characterised in that including:
Detector, for detecting the concentration of the gas of leakage；
The gas alarm controller being connected by two-wire bus with described detector；
Described gas alarm controller, for determining that whether the concentration of the gas of leakage that described detector detect is beyond pre-set threshold value, and when beyond pre-set threshold value, startup alarm；
With the alarm that described Gas controller is connected by two-wire bus, be controlled by described gas alarm controller, be used for sending alarm signal.
2. system according to claim 1, it is characterised in that also include:
It is connected with described gas alarm controller, for warning message is sent the network transmission device to data monitor；Wherein, described warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage；
It is connected with described network transmission device, for demonstrating the data monitor of warning message.
3. system according to claim 2, it is characterised in that
Described network transmission device is connected with described gas alarm controller and includes:
Described network transmission device is connected with described gas alarm controller by two-wire bus.
4. system according to claim 1, it is characterised in that also include:
It is connected with described gas alarm controller, for controlling the output-controlling device that exhaust fan cuts off the open and close of electromagnetic valve with gas；
It is connected with described output-controlling device, and is controlled by exhaust fan and the gas cut-out electromagnetic valve of described output-controlling device.
5. system according to claim 4, it is characterised in that
Described output-controlling device is connected with described gas alarm controller and includes:
Described output-controlling device is connected with described gas alarm controller by two-wire bus.
6. the system according to any one of claim 1-5, it is characterised in that
Described gas alarm controller is 96F613RB microprocessor.
7. the method for a gas alarm, it is characterised in that being applied to the system of gas alarm described in any one of the claims 1-6, described method includes:
The concentration of the gas that detector detection is revealed, and the concentration of the gas of the leakage detected is sent to gas alarm controller by two-wire bus；
Described gas alarm controller is according to pre-set threshold value, it is determined that whether the concentration of the gas of the leakage of described detector detection is beyond pre-set threshold value, and when beyond pre-set threshold value, starts alarm.
8. method according to claim 7, it is characterised in that at described gas alarm controller according to pre-set threshold value, determine that whether the concentration of gas of the leakage that described detector detects is beyond pre-set threshold value, and when beyond pre-set threshold value, after starting alarm, also include:
Described gas alarm controller sends warning message by network transmission device to data monitor；Described warning message is indicated for out the concentration information beyond pre-set threshold value of the gas of leakage.
9. method according to claim 7, it is characterised in that at described gas alarm controller according to pre-set threshold value, determine that whether the concentration of gas of the leakage that described detector detects is beyond pre-set threshold value, and when beyond pre-set threshold value, after starting alarm, also include:
Described gas alarm controller starts exhaust fan by output-controlling device and opens gas cut-out electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265281.2A CN105761445A (en) | 2016-04-25 | 2016-04-25 | Gas alarm system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610265281.2A CN105761445A (en) | 2016-04-25 | 2016-04-25 | Gas alarm system and method |
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| CN105761445A true CN105761445A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610265281.2A Pending CN105761445A (en) | 2016-04-25 | 2016-04-25 | Gas alarm system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035712A (en) * | 2018-07-20 | 2018-12-18 | 珠海创安电子科技有限公司 | A kind of gas alarm device using 2 lines |
| US11603720B2 (en) | 2020-09-04 | 2023-03-14 | Sichuan Honghua Petroleum Equipment Co., Ltd. | Methods for tripping a drilling rig or a workover rig |
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| CN202230583U (en) * | 2011-07-11 | 2012-05-23 | 耕者有田科技（北京）有限公司 | Combustible gas safety monitoring system combining bus mode and wireless mode |
| CN102999991A (en) * | 2012-10-09 | 2013-03-27 | 青岛鼎信通讯股份有限公司 | Audible-visual alarm |
| CN204856837U (en) * | 2015-07-07 | 2015-12-09 | 北京刚佳杰利科技有限公司 | Data signal and superimposed two bus gas detection alarm control system of power |
| CN205594846U (en) * | 2016-04-25 | 2016-09-21 | 济南本安科技发展有限公司 | System for gaseous warning |
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2016
- 2016-04-25 CN CN201610265281.2A patent/CN105761445A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100109866A1 (en) * | 2002-12-06 | 2010-05-06 | Marian Gavrila | Hybrid communication terminal - alarm system |
| CN202230583U (en) * | 2011-07-11 | 2012-05-23 | 耕者有田科技（北京）有限公司 | Combustible gas safety monitoring system combining bus mode and wireless mode |
| CN102999991A (en) * | 2012-10-09 | 2013-03-27 | 青岛鼎信通讯股份有限公司 | Audible-visual alarm |
| CN204856837U (en) * | 2015-07-07 | 2015-12-09 | 北京刚佳杰利科技有限公司 | Data signal and superimposed two bus gas detection alarm control system of power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035712A (en) * | 2018-07-20 | 2018-12-18 | 珠海创安电子科技有限公司 | A kind of gas alarm device using 2 lines |
| US11603720B2 (en) | 2020-09-04 | 2023-03-14 | Sichuan Honghua Petroleum Equipment Co., Ltd. | Methods for tripping a drilling rig or a workover rig |
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Application publication date: 20160713 |