CN2679677Y - Leakage monitoring and warning device of home gas - Google Patents
Leakage monitoring and warning device of home gas Download PDFInfo
- Publication number
- CN2679677Y CN2679677Y CN200420025411.8U CN200420025411U CN2679677Y CN 2679677 Y CN2679677 Y CN 2679677Y CN 200420025411 U CN200420025411 U CN 200420025411U CN 2679677 Y CN2679677 Y CN 2679677Y
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- chip microcomputer
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000002737 fuel gas Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Alarm Systems (AREA)
Abstract
The utility model discloses a leakage monitoring and warning device of home gas, which is used to monitor the content of the carbon monoxide (the main component in the gas) in the air at home or the restaurant and alarm that the content of the monoxide is beyond the standard. The leakage monitoring and warning device of home gas comprises a single-chip computer, signal acquisition and a processing circuit. The output end of a gas sensor (1) is connected with the input end of an amplifying circuit (2), the output end of the amplifying circuit (2) is connected with the input end of an A/D switching circuit (3), and the output end of the A/D switching circuit (3) is connected with the input end of a single-chip computer (4). As the data input of the single-chip computer (4), the single chip computer (4) is also respectively connected with an LED display device (5), an alarm circuit (6), a keyboard input circuit (7), a serial interface and a switching circuit (9). The utility model is a set of leakage monitoring and warning system of gas, and the utility model can automatically detect and display the content of the carbon monoxide at home or the restaurant on spot, alarming the that the content of the monoxide is beyond the standard.
Description
Technical field
The utility model is a kind of device that carbon monoxide (Main Ingredients and Appearance in the coal gas) content in family or the restaurant air is monitored and exceeded standard and report to the police, and belongs to the technical field of monitoring gas leak.
Background technology
Along with development of times, the progress of society, almost gas appliance has all been used by each family, it brings convenience, simultaneously efficiently to people, because pipe problems, kitchen range problem, especially user's improper use often causes gas leak and can not in time be found, brings disaster to people's life, brings about great losses to national economy.
Summary of the invention
Technical matters: goal of the invention of the present utility model provides a kind of household fuel gas leakage monitoring and alarm, and this device can detect automatically to carbon monoxide content in family or the restaurant, the scene shows, warning exceeds standard.
Technical scheme: this household fuel gas leakage monitoring and warning system are linked to each other and form with some extension sets (8031 single-chip microcomputer) system by serial interface circuit RS485 by a main frame (IBM-PC).The number of subordinate machine system is by resident family's number decision in this building.
Household fuel gas leakage monitoring of the present utility model and warning device, formed by one-chip computer and signals collecting and treatment circuit, the input end of the output termination amplifying circuit of gas sensor, the input end of the output termination A/D change-over circuit of amplifying circuit, the output terminal of A/D change-over circuit connects the input end of single-chip microcomputer, as the data input of single-chip microcomputer, single-chip microcomputer also connects light-emitting diode display and warning circuit, keyboard input circuit, serial interface circuit respectively.Concrete is connected to: the output terminal of gas sensor is that the input end of the output termination amplifying circuit of sensor " SP-1104 " is the input end of amplifier " ADOP-07 "; The output terminal of amplifying circuit is the output terminal " V of amplifier " ADOP-07 "
OUT" input end that connects the A/D change-over circuit is " IN0 " end of A/D conversion chip " ADC0809 "; The output terminal of A/D change-over circuit is that " D0-D7 " end of A/D conversion chip " ADC0809 " is that the data port " P0.0-P0.7 " of single chip circuit " 8031 " links to each other with single-chip microcomputer, and single-chip microcomputer is that " P3.0, P3.1 " terminated serial interface circuit of single chip circuit " 8031 " promptly connects serial interface circuit " RS485 ".
Its gas sensor of subordinate machine system of the present utility model " SP-1104 " is sent into measured signal its output behind amplifying circuit at the IN0 end of mould/number conversion chip " ADC0809 ", mould/number conversion chip " ADC0809 " links to each other the 8 bit digital quantity D0-D7 that this analog signal conversion becomes with data port " P0.0-P0.7 " end of single-chip microcomputer " 8031 ", " PC0, the PC1 " in A mouth " PA0-PA7 " in the parallel I/O mouth of the parallel I of system extension/O interface chip " 8155 " and the C mouth is as the control mouth of keyboard; " PA0-PA3 " in " PB0-PB7 " in the B mouth and the A mouth is as the control mouth of light-emitting diode display." P1.0 " termination hummer, warning is used to exceed standard; " P3.0, P3.1 " connects serial interface circuit " RS485 ", is used for communicating by letter with host computer.
Beneficial effect: the utility model is a monitoring of cover gas leak and a warning system.This device can detect automatically to carbon monoxide content in family or the restaurant, the scene shows, warning exceeds standard.
When this device detects the carbon monoxide gas body burden and surpasses a certain fixed value and reach certain hour by electrochemical means, in the time of onsite alarming, also can will the information of exceeding standard be sent to the PC at property management center by serial interface circuit.The on-the-spot monitoring alarmer of a cover is installed by each resident family in the residential area, and links to each other with the PC at property management center, in case stop family man nobody the time in time notify the property management center.Subordinate machine system can off line work alone.
Description of drawings
Fig. 1 is a general structure synoptic diagram of the present utility model.Gas sensor circuit 1, amplifying circuit 2, A/D change-over circuit 3, single-chip microcomputer 4, light-emitting diode display 5, warning circuit 6, keyboard input circuit 7, PC 8, serial line interface and change-over circuit 9 are wherein arranged.
Fig. 2 is the circuit theory diagrams of the utility model A/D change-over circuit 3, single-chip microcomputer 4, serial line interface and change-over circuit 9.
The circuit theory diagrams of Fig. 3 the utility model gas sensor circuit 1, amplifying circuit 2.
The circuit theory diagrams of Fig. 4 the utility model light-emitting diode display 5.
Specific embodiments
Household fuel gas leakage monitoring and warning system are linked to each other and form with some extension sets (8031 single-chip microcomputer) system by serial interface circuit RS485 by a main frame (IBM-PC).The number of subordinate machine system is by resident family's number decision in this building.
Subordinate machine system is made up of one-chip computer and signals collecting and treatment circuit, the input end of the output termination amplifying circuit 2 of gas sensor 1, the input end of the output termination A/D change-over circuit 3 of amplifying circuit 2, the output terminal of A/D change-over circuit 3 connects the input end of single-chip microcomputer 4, as the data input of single-chip microcomputer 4, the output terminal of single-chip microcomputer 4 connects light-emitting diode display 5 and warning circuit 6, keyboard input circuit 7, serial line interface and change-over circuit 9 respectively.
Concrete method of attachment is that the output terminal of gas sensor 1 is that the input end of the output termination amplifying circuit 2 of sensor " SP-1104 " is the input end of amplifier " ADOP-07 "; The output terminal of amplifying circuit 2 is the output terminal " V of amplifier " ADOP-07 "
OUT" input end that connects A/D change-over circuit 3 is " IN0 " end of A/D conversion chip " ADC0809 "; The output terminal of A/D change-over circuit 3 is that " D0-D7 " end of A/D conversion chip " ADC0809 " is that the data port " P0.0-P0.7 " of single chip circuit " 8031 " links to each other with single-chip microcomputer 4, and single-chip microcomputer 4 is that " P3.0, P3.1 " the terminated serial interface and the change-over circuit 9 of single chip circuit " 8031 " promptly connects serial interface circuit " RS485 ".
The concrete course of work of the utility model subordinate machine system is: gas sensor " SP-1104 " is sent measured signal its output signal behind amplifying circuit into A/D change-over circuit chip " ADC0809 " " IN0 " end, A/D change-over circuit chip " ADC0809 " links to each other the 8 bit digital quantity D0-D7 that this analog signal conversion becomes with the data port " P0.0-P0.7 " of single-chip microcomputer " 8031 ", " PA0-PA3 " in the parallel I/O mouth of the parallel I of system extension/O interface chip " 8155 " in " PA0-PA7 " of A mouth and the A mouth is as the control mouth of keyboard; " PC0, PC1 " in " PB0-PB7 " in the B mouth and the C mouth is as the control mouth of light-emitting diode display." P1.0 " mouth connects hummer, and warning is used to exceed standard; " P3.0, P3.1 " mouth connects serial interface circuit " RS485 ", is used for communicating by letter with host computer.
The utility model household fuel gas leakage monitoring and alarm are cover security alerting systems that designs for family or restaurant.When on-the-spot (resident family's family) reports to the police, unmanned for preventing resident family's family, can also notify the property management center, to guarantee timely warning.
Claims (2)
1, a kind of household fuel gas leakage monitoring and warning device, formed by one-chip computer and signals collecting and treatment circuit, the input end that it is characterized in that the output termination amplifying circuit (2) of gas sensor (1), the input end of the output termination A/D change-over circuit (3) of amplifying circuit (2), the output terminal of A/D change-over circuit (3) connects the input end of single-chip microcomputer (4), as the data input of single-chip microcomputer (4), single-chip microcomputer (4) also connects light-emitting diode display (5) and warning circuit (6), keyboard input circuit (7), serial line interface and change-over circuit (9) respectively.
2, household fuel gas leakage monitoring according to claim 1 and warning device, the output terminal that it is characterized in that gas sensor (1) are that the input end of the output termination amplifying circuit (2) of sensor " SP-1104 " is the input end of amplifier " ADOP-07 "; The output terminal of amplifying circuit (2) is that the input end that the output terminal " VOUT " of amplifier " ADOP-07 " connects A/D change-over circuit (3) is " IN0 " end of A/D conversion chip " ADC0809 "; The output terminal of A/D change-over circuit (3) is that " D0-D7 " end of A/D conversion chip " ADC0809 " is that the data port " P0.0-P0.7 " of single chip circuit " 8031 " links to each other with single-chip microcomputer (4), and single-chip microcomputer (4) is that " P3.0, P3.1 " the terminated serial interface and the change-over circuit (9) of single chip circuit " 8031 " promptly connects serial interface circuit " RS485 ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420025411.8U CN2679677Y (en) | 2004-03-16 | 2004-03-16 | Leakage monitoring and warning device of home gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420025411.8U CN2679677Y (en) | 2004-03-16 | 2004-03-16 | Leakage monitoring and warning device of home gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679677Y true CN2679677Y (en) | 2005-02-16 |
Family
ID=34583513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200420025411.8U Expired - Fee Related CN2679677Y (en) | 2004-03-16 | 2004-03-16 | Leakage monitoring and warning device of home gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679677Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465637C (en) * | 2006-09-14 | 2009-03-04 | 清华大学 | Wireless monitoring device for oxygen content in essential safety energy-saving type coke-oven gas |
| CN104020263A (en) * | 2014-06-25 | 2014-09-03 | 李丹 | Indoor harmful gas detection system |
| CN107633660A (en) * | 2016-07-15 | 2018-01-26 | 湖南百里目科技有限责任公司 | A kind of household gas-leakage alarm device |
-
2004
- 2004-03-16 CN CN200420025411.8U patent/CN2679677Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465637C (en) * | 2006-09-14 | 2009-03-04 | 清华大学 | Wireless monitoring device for oxygen content in essential safety energy-saving type coke-oven gas |
| CN104020263A (en) * | 2014-06-25 | 2014-09-03 | 李丹 | Indoor harmful gas detection system |
| CN107633660A (en) * | 2016-07-15 | 2018-01-26 | 湖南百里目科技有限责任公司 | A kind of household gas-leakage alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |