CN207302301U - A kind of gas leakage alarming device of Parameter adjustable - Google Patents

A kind of gas leakage alarming device of Parameter adjustable Download PDF

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Publication number
CN207302301U
CN207302301U CN201721372887.2U CN201721372887U CN207302301U CN 207302301 U CN207302301 U CN 207302301U CN 201721372887 U CN201721372887 U CN 201721372887U CN 207302301 U CN207302301 U CN 207302301U
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microprocessor
combustion gas
gas
gas leakage
transmission line
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CN201721372887.2U
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周孜宁
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Abstract

A kind of gas leakage alarming device of Parameter adjustable, including microprocessor, to the multiple gas securities being connected with microprocessor signals being arranged on combustion gas transmission line and the multiple audible-visual annunciators being connected with microprocessor signals, the audible-visual annunciator includes voice guard and visual alarm, it is characterized in that, each gas security is respectively connected by an adjustable threshold module with microprocessor signals, the adjustable threshold module includes rheostat and twin voltage comparator, the rheostatic output terminal is connected with an input terminal of twin voltage comparator, the output terminal of gas security is connected with another input terminal of twin voltage comparator, the output terminal of twin voltage comparator is connected with microprocessor signals.The warning device can be detected for different combustion gas, reduce use cost, and have effect easy to use and safe.

Description

A kind of gas leakage alarming device of Parameter adjustable
Technical field
It the utility model is related to gas leakage monitoring technical field, and in particular to a kind of gas leakage alarm of Parameter adjustable Device.
Background technology
At present, gas leakage becomes household safe major hidden danger, and how timely to gas leakage, accurate monitoring becomes people The major issue be concerned about.
The shortcomings that traditional gas leakage alarming device, is a lack of the ability to various gas leakage monitoring at the same time;User is not Monitoring state can be understood in real time;Audible alarm cannot be closed independently, influence service personnel.
Utility model content
The main purpose of the utility model is that providing the gas leakage alarming device and method of a kind of Parameter adjustable, pass through Parameter is adjusted, leak detection can be carried out to different combustion gas and is alarmed in time.
To achieve the above objectives, the technical solution adopted in the utility model is:A kind of gas leakage alarm of Parameter adjustable Device, including microprocessor, the multiple combustion gas being connected with microprocessor signals to be arranged on combustion gas transmission line sense Device and the multiple audible-visual annunciators being connected with microprocessor signals, the audible-visual annunciator include voice guard and light report Alert device, it is characterised in that each gas security is respectively connected by an adjustable threshold module with microprocessor signals, it is described can Threshold module is adjusted to include rheostat and twin voltage comparator, an input of the rheostatic output terminal and twin voltage comparator End is connected, and the output terminal of gas security is connected with another input terminal of twin voltage comparator, the output of twin voltage comparator End is connected with microprocessor signals.
Preferably, further include the solenoid valve in normally open being arranged on combustion gas transmission line, the solenoid valve with Microprocessor signals connect, and when microprocessor is judged as combustion gas transmission line gas leakage, microprocessor controls solenoid valves are closed.
Preferably, further include by steering engine interface be connected with microprocessor signals opening the door in space where combustion gas Or the opening of doors and windows mechanism of window, when microprocessor is judged as combustion gas transmission line gas leakage, microprocessor control opening of doors and windows machine Structure opens door or window.
Preferably, the ventilating fan being connected with microprocessor signals is further included, when microprocessor is judged as combustion gas transmission line Gas leakage, microprocessor control ventilating fan are opened.
Preferably, the Internet of Things module being connected with microprocessor signals is further included, the microprocessor can be by described Data that Internet of Things module and cloud server are communicated and then can detect gas security and combustion gas transmission line The cloud server that combustion gas transmission state uploads to.
Preferably, the display screen being connected with microprocessor signals is further included.
The utility model additionally provides a kind of alarm method based on above-mentioned warning device, it is characterised in that including as follows Step:
1) data by gas security detection enter microprocessor after adjustable threshold resume module;
2) the data V of the sensor detection after adjustable threshold resume moduleiCompared with standard value set in advance, if 3) Vi >=standard value, then enter step;
3) alert program is started;
The step 3) specifically comprises the following steps:
(1) microprocessor is opened by steering engine Interface Controller opening of doors and windows mechanism;
(2) microprocessor control ventilating fan is opened;
(3) microprocessor controls solenoid valve to close by data-interface;
(4) microprocessor opens audible-visual annunciator, while microprocessor judges whether self-lock switch is opened, and according to self-locking The state of switching on determines whether to open voice guard;
(5) warning message is reached cloud server by microprocessor by Internet of Things module;
(6) microprocessor control display screen display alarm information.
Preferably, in step 2), if microprocessor detects Vi<Standard value and alert program has been turned on, then microprocessor Device cancels alert program, cancels alert program and specifically comprises the following steps:
(1) microprocessor closes door or window by steering engine Interface Controller opening of doors and windows mechanism;
(2) microprocessor closes audible-visual annunciator;
(3) microprocessor opens solenoid valve.
Preferably, in step 2), if microprocessor detects Vi<Standard value and alert program is not actuated, then enter step It is rapid 1).
Preferably, need to set adjustable threshold module for different combustion gas before step 1) operation.
Compared with prior art, the utility model has the advantages that:
1) warning device can detect the transmission of different combustion gas by using adjustable threshold module by varying setting value Circuit whether gas leakage, it is not necessary to select specific equipment for each combustion gas, reduce use cost, facilitate volume production;
2) warning device is also equipped with self-lock switch, and microprocessor can determine whether according to whether self-lock switch is opened Voice guard is opened, so voice guard can be closed when maintenance personal is carrying out maintenance gas leakage scene, avoid sound Sound disturbs maintenance personal;
3) warning device is also equipped with opening of doors and windows mechanism, solenoid valve, ventilating fan, can be in time when gas leakage occurs Eliminate danger.
Brief description of the drawings
Fig. 1 is the schematic diagram of a preferred embodiment according to the present utility model;
Fig. 2 is the circuit diagram of the twin voltage comparator LM393 of a preferred embodiment according to the present utility model;
Fig. 3 is the work flow diagram of the warning device of a preferred embodiment according to the present utility model.
Embodiment
It is described below for disclosing the utility model so that those skilled in the art can realize the utility model.Retouch below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
A kind of gas leakage alarming device of Parameter adjustable as shown in Figure 1, including microprocessor 4, being arranged on combustion Multiple gas securities 1 being connected with 4 signal of microprocessor on gas transmission line and it is connected with 4 signal of microprocessor more A audible-visual annunciator 8, the microprocessor 4 can judge combustion gas transmission line according to the data that multiple gas securities 1 detect Whether road leaks and controls audible-visual annunciator 8 to send alarm signal.The microprocessor 4, gas security 1 are using existing There is technology, be no longer described in detail herein.
Since the concentration of different combustion gas is different, in order to make microprocessor 4 can adapt to different combustion gas, each combustion Gas sensor 1 is signally attached to microprocessor 4 by an adjustable threshold module 2, and the adjustable threshold module 2 can be adjusted The critical value that gas security 1 exports during gas leakage in microprocessor 4, and then microprocessor 4 can judge difference exactly Whether the combustion gas of concentration leaks in combustion gas transmission line, and then the warning device can carry out leakage inspection to various gas Survey, while also can be suitably used for same combustion gas, but the different situation in position of test point, position is different, and concentration is not during gas leakage Together.
Specifically, adjustable threshold module is by rheostat and twin voltage comparator LM393 (its circuit diagram is as shown in Figure 2) group Into the output terminal of gas security 1 is connected with an input terminal of twin voltage comparator LM393, and rheostat is compared with twin voltage Another input terminal of device LM393 is connected, and the output terminal of twin voltage comparator LM393 is connected with microprocessor 4, when combustion gas senses When the output voltage of device 1 is less than rheostatic output voltage, twin voltage comparator LM393 outputs are 0, and microprocessor 4 is at this time not Alarm signal is sent, when the output voltage of gas security 1 is more than rheostatic output voltage, twin voltage comparator LM393 Export and send alarm signal for non-zero values (can also be specific numerical value), the audible-visual annunciator 8 of the control of microprocessor 4 at this time. Since rheostatic resistance value can be adjusted, its voltage exported can change, and this makes it possible to regulating gas sensing Microprocessor 4 sends alarm signal when device output voltage reaches how many.
The audible-visual annunciator 8 is connected by data-interface 7 with 4 signal of microprocessor.The audible-visual annunciator 8 includes sound Sound alarm and visual alarm, the microprocessor 4 individually can be controlled voice guard and visual alarm, i.e., Voice guard only can be made a sound, only visual alarm can also be made to send light.
The warning device further includes the solenoid valve 9 in normally open being arranged on combustion gas transmission line, the electricity Magnet valve 9 is connected by data-interface 7 with 4 signal of microprocessor, when the microprocessor 4 judges that combustion gas leaks, micro- place Reason device 4 except control audible-visual annunciator 8 send alarm signal, also control solenoid valve 9 close so that cut off combustion gas transmission line with Prevent the further leakage of combustion gas.Position of the solenoid valve 9 on combustion gas transmission line can be according to actual conditions or warp Test and be determined.
The warning device further includes the opening of doors and windows mechanism 11 being connected by steering engine interface 10 with 4 signal of microprocessor, The opening of doors and windows mechanism 11 with gas leakage position place space in door or window be sequentially connected, and then work as micro- place Reason device 4 judges that combustion gas can control opening of doors and windows mechanism 11 to open door or window so that combustion gas to be discharged from room when leaking.
The warning device further includes the ventilating fan (not shown) being connected with 4 signal of microprocessor, and the ventilating fan is set Gas leakage position place space in exhaust outlet at, when microprocessor 4 judges that combustion gas opens air draft after leaking Fan to accelerate the combustion gas by leakage to be discharged out of room.The ventilating fan is used in conjunction with solenoid valve 9, opening of doors and windows mechanism 11 When, more preferable effect can be reached.
The warning device further includes the self-lock switch 3 being connected with 4 signal of microprocessor, and the self-lock switch 3 is to hand It is dynamic to close voice guard, i.e., operate self-lock switch 3 when maintenance personal reaches scene and close voice guard, specifically, institute State self-lock switch and use the prior art.The microprocessor 4 can control audible-visual annunciator 8 according to the state of self-lock switch 3, I.e. when microprocessor 4 detects that self-lock switch 3 is under opening, in alarm, 4 control visual alarms of microprocessor Open, when microprocessor 4 detects that self-lock switch is closed, in alarm, microprocessor 4 control visual alarm and Voice guard is opened at the same time.After can so avoiding maintenance personal from reaching scene, the acoustic impacts that voice guard is sent are tieed up Repair normal communication and the maintenance of personnel.Specifically, the self-lock switch uses the prior art.
The warning device, which further includes, passes through I2The display screen 6 that C buses are connected with 4 signal of microprocessor, passes through display screen 6 Be capable of displaying alarm working status and warning device acquired in combustion gas transmission line on combustion gas transmission state, example Whether the concentration of such as combustion gas, leak.
The warning device further includes the Internet of Things module 12 being connected with 4 signal of microprocessor, the Internet of Things module 12 It is connected using GPRS or WIFI etc. with internet 13 and above-mentioned working status and combustion gas transmission state can be uploaded to high in the clouds Server, maintenance personal or administrative staff above-mentioned working status can be inquired about by network terminals such as mobile phones and shape is transmitted in combustion gas State.
As shown in figure 3, the work step of the warning device is as follows:
1) by the data that gas security 1 detects microprocessor 4 is entered after the processing of adjustable threshold module 2;
2) the data V that the gas security 1 after the processing of adjustable threshold module 2 detectsiIt is being converted into the institute of microprocessor 4 After the digital signal that can be identified compared with standard value 128 set in advance, if Vi>=128, then enter step 3);If Vi< 128 and Alert program is in starting state, then enters step 4);If Vi1) < 128 and alert program is not actuated, then enter step;
3) alert program is started:
(1) microprocessor 4 controls opening of doors and windows mechanism 11 to open by steering engine interface 10;
(2) microprocessor 4 controls ventilating fan to open;
(3) microprocessor 4 controls solenoid valve 9 to close gas supply by data-interface 7;
(4) microprocessor 4 judges whether self-lock switch 3 is opened, if opened, light warning is opened by data-interface 7 Device, close voice guard, into next step;If self-lock switch 3 is not turned on, light report is opened by data-interface 7 Alert device, open voice guard, into next step;
(5) warning message is reached cloud server by Internet of Things module 12 and pushes to cell phone customer by microprocessor 4 End;
(6) microprocessor 4 passes through I2C buses 5 are by 6 clear screen of display screen;
(7) microprocessor 4 passes through I2C buses 5 are by 6 display alarm information of display screen.
4) alert program is cancelled:
(1) microprocessor 4 controls opening of doors and windows mechanism 11 to close door or window by steering engine interface 10;
(2) microprocessor 4 closes visual alarm by data-interface 7, closes voice guard;
(3) microprocessor 4 passes through I2Display screen 6 is shown normal monitoring information by C buses 5.
In the step 1), microprocessor 4 is by the V of acquisitioniValue shown in display screen 6 and by ViValue pass through Internet of Things module 12 uploads to cloud server.
Also need to set adjustable threshold module 2 according to different combustion gas before the step 1).It is also, above-mentioned Step 1)-step 8) is run repeatedly with certain frequency.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Simply the utility model principle, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model Protection domain defined by appended claims and its equivalent.

Claims (6)

1. a kind of gas leakage alarming device of Parameter adjustable, including microprocessor, being arranged on combustion gas transmission line The multiple gas securities being connected with microprocessor signals and the multiple audible-visual annunciators being connected with microprocessor signals, it is described Audible-visual annunciator includes voice guard and visual alarm, it is characterised in that each gas security is respectively adjustable by one Threshold module is connected with microprocessor signals, and the adjustable threshold module includes rheostat and twin voltage comparator, the variable resistance The output terminal of device is connected with an input terminal of twin voltage comparator, and the output terminal of gas security is another with twin voltage comparator One input terminal is connected, and the output terminal of twin voltage comparator is connected with microprocessor signals.
2. the gas leakage alarming device of a kind of Parameter adjustable according to claim 1, it is characterised in that further include setting The solenoid valve in normally open on combustion gas transmission line, the solenoid valve are connected with microprocessor signals, work as microprocessor Device is judged as combustion gas transmission line gas leakage, and microprocessor controls solenoid valves are closed.
3. the gas leakage alarming device of a kind of Parameter adjustable according to claim 2, it is characterised in that further include and pass through Steering engine interface be connected with microprocessor signals to open the door in space where combustion gas or the opening of doors and windows mechanism of window, when micro- Processor is judged as combustion gas transmission line gas leakage, microprocessor control opening of doors and windows mechanism opening door or window.
A kind of 4. gas leakage alarming device of Parameter adjustable according to claim 3, it is characterised in that further include with it is micro- The ventilating fan of processor signal connection, when microprocessor is judged as combustion gas transmission line gas leakage, microprocessor control ventilating fan is opened Open.
A kind of 5. gas leakage alarming device of Parameter adjustable according to claim 4, it is characterised in that further include with it is micro- The Internet of Things module of processor signal connection, the microprocessor can be carried out by the Internet of Things module and cloud server The high in the clouds that communication and then the data and the combustion gas transmission state of combustion gas transmission line that can detect gas security upload to takes Business device.
A kind of 6. gas leakage alarming device of Parameter adjustable according to claim 5, it is characterised in that further include with it is micro- The display screen of processor signal connection.
CN201721372887.2U 2017-10-24 2017-10-24 A kind of gas leakage alarming device of Parameter adjustable Active CN207302301U (en)

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Application Number Priority Date Filing Date Title
CN201721372887.2U CN207302301U (en) 2017-10-24 2017-10-24 A kind of gas leakage alarming device of Parameter adjustable

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Application Number Priority Date Filing Date Title
CN201721372887.2U CN207302301U (en) 2017-10-24 2017-10-24 A kind of gas leakage alarming device of Parameter adjustable

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108629951A (en) * 2018-05-21 2018-10-09 浙江千亿家和智慧能源科技有限公司 A kind of Intelligent combustible gas alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108629951A (en) * 2018-05-21 2018-10-09 浙江千亿家和智慧能源科技有限公司 A kind of Intelligent combustible gas alarm system

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