CN201421649Y - Multi-functional intelligent fuel gas warmer - Google Patents
Multi-functional intelligent fuel gas warmer Download PDFInfo
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- CN201421649Y CN201421649Y CN2009200556159U CN200920055615U CN201421649Y CN 201421649 Y CN201421649 Y CN 201421649Y CN 2009200556159 U CN2009200556159 U CN 2009200556159U CN 200920055615 U CN200920055615 U CN 200920055615U CN 201421649 Y CN201421649 Y CN 201421649Y
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Abstract
The utility model relates to a multi-functional intelligent fuel gas warmer, comprising a power supply circuit, a gas concentration detection circuit with a combustible gas sensor probe, an alarming setting circuit, a microprocessor and an executive circuit, the power supply circuit supplies power for all circuits, the output end of the gas concentration detection circuit is connected with the input end of the alarming setting circuit, the output end of the alarming setting circuit is connected with the input end of the microprocessor, the output end of the microprocessor is connected with theinput end of the executive circuit. The multi-functional intelligent fuel gas warmer is characterized in that: the multi-functional intelligent fuel gas warmer also comprises a sensitivity detectioncircuit and a sensitivity-promotion driving circuit, the output end of the gas concentration detection circuit is connected with the input end of the sensitivity detection circuit, the output end of the sensitivity detection circuit is connected with the microprocessor which improves the sensitivity of the gas concentration detection circuit by the sensitivity-promotion driving circuit; the multi-functional intelligent fuel gas warmer has complete function, greatly improves the using safety and prolongs the service life of the sensor probe.
Description
Technical field:
The utility model relates to the multifunctional intellectual fuel gas alarm.
Background technology:
Existing fuel gas alarm is used to detect the leakage of indoor fuel gas, and its circuit structure generally comprises power circuit, comprises testing circuit, warning circuit, microprocessor and the executive circuit of combustible gas sensor probe, and function is gradually improved.But also there is following deficiency in present fuel gas alarm: the sensitivity meeting progressively reduced after 1) combustible gas sensor of testing circuit probe used a period of time, if untimelyly realize and change probe, user's personal safety was constituted a threat to; 2) though the buzzer alarm circuit of loudspeaker is arranged, there are not voice to come clearly intuitively; 3) the alarm settings circuit has only one-level, a fiducial value promptly only is set, imperfection, poor stability.
Summary of the invention:
The purpose of this utility model is to provide the multifunctional intellectual fuel gas alarm, it is provided with the sensitivity testing circuit and promotes the sensitivity driving circuit, automatically detecting the sensitivity of combustible gas sensor probe also in time makes adjustment, perfect in shape and function, safety in utilization is higher, prolongs sensor probe serviceable life.
The utility model is achieved through the following technical solutions:
A kind of multifunctional intellectual fuel gas alarm, comprise power circuit, the gas concentration testing circuit that comprises the combustible gas sensor probe, the alarm settings circuit, microprocessor and executive circuit, power circuit is the each several part circuit supply, the output terminal of gas concentration testing circuit connects the input end of alarm settings circuit, the output terminal of alarm settings circuit connects the input end of microprocessor, the output terminal of microprocessor connects the input end of executive circuit, it is characterized in that: it also comprises the sensitivity testing circuit and promotes the sensitivity driving circuit, the output terminal of gas concentration testing circuit connects the input end of sensitivity testing circuit, the output terminal of sensitivity testing circuit connects microprocessor, and microprocessor improves the sensitivity of gas concentration testing circuit by promoting the sensitivity driving circuit.
The utility model compared with prior art has the following advantages: it is provided with the sensitivity testing circuit and promotes the sensitivity driving circuit, automatically detecting the sensitivity of combustible gas sensor probe also in time makes adjustment, perfect in shape and function, safety in utilization is higher greatly, prolongs sensor probe serviceable life.
Above-mentioned described alarm settings circuit comprises one-level alarm settings circuit and secondary alarm settings circuit.One-level alarm settings circuit and secondary alarm settings circuit are set the combustion gas warning value of variable concentrations, when indoor fuel gas concentration surpasses the permissible value of one-level alarm settings circuit, notify the microprocessor action at once, when indoor fuel gas concentration surpasses the permissible value of secondary alarm settings circuit, notify the microprocessor action, relatively safety and reliable at once.The output terminal of gas concentration testing circuit also connects the sensor fault testing circuit in addition, and the output terminal of sensor fault testing circuit connects the input end of microprocessor.Can in time investigate and prosecute the fault of combustible gas sensor probe, improve safety in utilization.
The output terminal of above-mentioned described microprocessor also connects sound circuit, and voice alarm circuit is ocular and clear relatively, reminds the user to step up vigilance.
Above-mentioned described one-level alarm settings circuit, secondary alarm settings circuit, sensitivity testing circuit, sensor fault testing circuit all are comparator circuits, and its signal input part all is connected with the output terminal of testing circuit, and circuit structure is simple, low cost of manufacture.
Above-mentioned described executive circuit is the solenoid valve pulse driver unit, or the vent fan electric-motor drive unit, or radio magnet valve driver element, or the robot drives unit.
Above-mentioned described output end of microprocessor also connects the photoelectricity indicating circuit.
Above-mentioned microprocessor input end connects manual analog detection, can the various situation of analog detection, and whether a part of test fuel gas alarm operates normal.
Above-mentioned described microprocessor is single-chip microprocessor MCU or digital signal processor DSP.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is done detailed explanation.
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a part of circuit diagram of Fig. 1 correspondence;
Fig. 3 is another part circuit diagram of Fig. 1 correspondence.
Embodiment:
As Fig. 1, Fig. 2, shown in Figure 3, a kind of multifunctional intellectual fuel gas alarm of the utility model, comprise power circuit 9, the gas concentration testing circuit 2 that comprises combustible gas sensor probe 1, the alarm settings circuit, microprocessor 10 and executive circuit, power circuit 9 is the each several part circuit supply, the output terminal of gas concentration testing circuit 2 connects the input end of alarm settings circuit, the output terminal of alarm settings circuit connects the input end of microprocessor 10, the output terminal of microprocessor 10 connects the input end of executive circuit, it also comprises sensitivity testing circuit 5 and promotes sensitivity driving circuit 6 in addition, the output terminal of gas concentration testing circuit 2 connects the input end of sensitivity testing circuit 5, the output terminal of sensitivity testing circuit 5 connects microprocessor 10, and microprocessor 10 improves 2 sensitivity of gas concentration testing circuit by promoting sensitivity driving circuit 6.The alarm settings circuit comprises one-level alarm settings circuit 3 and secondary alarm settings circuit 4, and the output terminal of gas concentration testing circuit 2 also connects sensor fault testing circuit 15, and the output terminal of sensor fault testing circuit 15 connects the input end of microprocessor 10.The output terminal of microprocessor 10 also connects sound circuit 7.One-level alarm settings circuit 3, secondary alarm settings circuit 4, sensitivity testing circuit 5, sensor fault testing circuit 15 all are comparator circuits, and its signal input part all is connected with the output terminal of gas concentration testing circuit 2.Executive circuit is a solenoid valve pulse driver unit 12, or vent fan driver element 13, or radio magnet valve driver element 11, or robot drives unit 14.Microprocessor 10 output terminals also connect photoelectricity indicating circuit 8.Microprocessor 10 input ends connect manual analog detection.Microprocessor 10 is single-chip microprocessor MCU or digital signal processor DSP.
Function of the present utility model is as follows:
One, power circuit 9:
220VAC converts low pressure AC to through transformer, obtains DC12V again after full-wave rectification, and U3 is DC/DC voltage stabilizing IC, and output DC5V power supply uses for alarm.
Two, the gas concentration testing circuit 2:
S1 is the anti-interference strong combustible gas sensor probe 1 of high-performance low-power-consumption, can accurately detect rock gas, coal gas, liquefied petroleum gas (LPG).
Three, microprocessor 10:
Handling various signals, is the core control element.
Four, transducer sensitivity testing circuit 5 and lifting sensitivity driving circuit 6:
After the sensitivity of sensor dropped to the value of setting, the PIN2 of U1A transferred low level to by high level, outputed to microprocessor and handled accordingly.Promote sensitivity driving circuit 6 and start the sensitivity that Q1 can change S1, after the sensitivity of sensor drops to the value of setting, micro computer will start Q1 automatically, and the sensitivity of sensor is promoted, and prolong the serviceable life of sensor.
Five, one-level alarm settings circuit 3:
After the detection signal of sensor was higher than the value of setting of W1, the PIN1 of U1B transferred low level to by high level, outputed to microprocessor and handled accordingly.
Six, secondary alarm settings circuit 4
After the detection signal of sensor was higher than the value of setting of W2, the PIN14 of U1C transferred low level to by high level, outputed to microprocessor and handled accordingly.
Seven, the sensor fault testing circuit 15:
After signal of sensor was lower than the value of setting, the PIN13 of U1D transferred low level to by high level, outputed to microprocessor and handled accordingly.
Eight, sound circuit 7:
Export voice signal during audio alert continuously: gas leakage please notes.
Nine, the solenoid valve pulse driver unit 12:
During gas leakage alarm, microprocessor control Q2 output DC12V pulse signal drives external closed electromagnetic valve source of the gas.
Ten, the vent fan driver element 13:
During gas leakage alarm, microcomputerized control Q4 driving relay is exported the external vent fan of AC220V startup and is discharged to indoor inflammable gas outdoor.
11, radio magnet valve driver element 11
During gas leakage alarm, microprocessor 10 control Q3 output DC12V signals drive external wireless module, and control radio magnet valve is closed source of the gas.
12, robot drives unit 14:
During gas leakage alarm, microprocessor control Q5 output DC12V signal drives external mechanical arm and closes source of the gas.
13, photoelectricity indicating circuit 8:
Led function: the GRE indication of working, the indication of RED gas leakage alarm, the indication of YEL sensor fault.
Claims (7)
1, a kind of multifunctional intellectual fuel gas alarm, comprise power circuit (9), the gas concentration testing circuit (2) that comprises combustible gas sensor probe (1), the alarm settings circuit, microprocessor (10) and executive circuit, power circuit (9) is the each several part circuit supply, the output terminal of gas concentration testing circuit (2) connects the input end of alarm settings circuit, the output terminal of alarm settings circuit connects the input end of microprocessor (10), the output terminal of microprocessor (10) connects the input end of executive circuit, it is characterized in that: it also comprises sensitivity testing circuit (5) and promotes sensitivity driving circuit (6), the output terminal of gas concentration testing circuit (2) connects the input end of sensitivity testing circuit (5), the output terminal of sensitivity testing circuit (5) connects microprocessor (10), and microprocessor (10) improves gas concentration testing circuit (2) sensitivity by promoting sensitivity driving circuit (6).
2, multifunctional intellectual fuel gas alarm according to claim 1, it is characterized in that: the alarm settings circuit comprises one-level alarm settings circuit (3) and secondary alarm settings circuit (4), the output terminal of gas concentration testing circuit (2) also connects sensor fault testing circuit (15), and the output terminal of sensor fault testing circuit (15) connects the input end of microprocessor (10).
3, multifunctional intellectual fuel gas alarm according to claim 1 is characterized in that: the output terminal of microprocessor (10) also connects sound circuit (7).
4, according to claim 1,2 or 3 described multifunctional intellectual fuel gas alarms, it is characterized in that: one-level alarm settings circuit (3), secondary alarm settings circuit (4), sensitivity testing circuit (5), sensor fault testing circuit (15) all are comparator circuits, and its signal input part all is connected with the output terminal of gas concentration testing circuit (2).
5, multifunctional intellectual fuel gas alarm according to claim 4, it is characterized in that: executive circuit is solenoid valve pulse driver unit (12), or vent fan driver element (13), or radio magnet valve driver element (11), or robot drives unit (14).
6, multifunctional intellectual fuel gas alarm according to claim 4 is characterized in that: microprocessor (10) output terminal also connects photoelectricity indicating circuit (8).
7, multifunctional intellectual fuel gas alarm according to claim 4 is characterized in that: microprocessor (10) is single-chip microprocessor MCU or digital signal processor DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200556159U CN201421649Y (en) | 2009-04-23 | 2009-04-23 | Multi-functional intelligent fuel gas warmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200556159U CN201421649Y (en) | 2009-04-23 | 2009-04-23 | Multi-functional intelligent fuel gas warmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201421649Y true CN201421649Y (en) | 2010-03-10 |
Family
ID=41808310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200556159U Expired - Fee Related CN201421649Y (en) | 2009-04-23 | 2009-04-23 | Multi-functional intelligent fuel gas warmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201421649Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
| CN103593949A (en) * | 2012-08-13 | 2014-02-19 | 长城金点定位测控(北京）有限公司 | Gas alarm method and apparatus |
| CN104332028A (en) * | 2014-11-18 | 2015-02-04 | 成都博盛信息技术有限公司 | Gas leakage control system |
| CN105389951A (en) * | 2015-10-09 | 2016-03-09 | 苏州工业园区清源华衍水务有限公司 | Laboratory gas safety and early warning system |
| CN110648506A (en) * | 2019-07-09 | 2020-01-03 | 深圳市中燃科技有限公司 | Data processing system based on cloud intelligent gateway |
-
2009
- 2009-04-23 CN CN2009200556159U patent/CN201421649Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103593949A (en) * | 2012-08-13 | 2014-02-19 | 长城金点定位测控(北京）有限公司 | Gas alarm method and apparatus |
| CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
| CN104332028A (en) * | 2014-11-18 | 2015-02-04 | 成都博盛信息技术有限公司 | Gas leakage control system |
| CN105389951A (en) * | 2015-10-09 | 2016-03-09 | 苏州工业园区清源华衍水务有限公司 | Laboratory gas safety and early warning system |
| CN110648506A (en) * | 2019-07-09 | 2020-01-03 | 深圳市中燃科技有限公司 | Data processing system based on cloud intelligent gateway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20120423 |