CN204204162U - Gas leakage auto-breaking gas-cutting off device - Google Patents
Gas leakage auto-breaking gas-cutting off device Download PDFInfo
- Publication number
- CN204204162U CN204204162U CN201420701654.2U CN201420701654U CN204204162U CN 204204162 U CN204204162 U CN 204204162U CN 201420701654 U CN201420701654 U CN 201420701654U CN 204204162 U CN204204162 U CN 204204162U
- Authority
- CN
- China
- Prior art keywords
- gas
- triode
- chip microcomputer
- chip
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Emergency Alarm Devices (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
Gas leakage auto-breaking gas-cutting off device, comprise single-chip microcomputer, Power Entry Module, coal gas detection module, fuel gas shutoff circuit, alarm module, tripping operation topworks, temperature sensor and internal battery, tripping operation topworks comprises relay K M1 and triode Q1; Fuel gas shutoff circuit comprises relay K M2 and triode Q2; Described internal battery provides working power for described acoustic-optic alarm.The utility model can after gas leakage auto-breaking; It can be not only that power-off is died at gas leakage, also can die and power-off, fully ensure that safety after temperature sensor detects temperature when breaking out of fire; It has internal battery, and warning device can also work on after a loss of power, and reliability is high.
Description
Technical field
The utility model relates to combustion (coal) gas leakage protective device, specifically a kind of gas leakage auto-breaking gas-cutting off device.
Background technology
Because existing combustion (coal) gas leakage detects protective device, just automatically cutting off the supply of combustion (coal) gas when firing (coal) gas leakage, solving because combustion (coal) gas is revealed and the explosion issues of initiation.But combustion (coal) gas user forgets to close sometimes fires (coal) gas, and then cause the hidden danger of initiation fire; Moreover after gas leakage, indoor power supply does not still cut off, can there is the fried danger of certain initiation combustion (coal) gas explosion in the startup of household electrical appliance such as refrigerator.Existing combustion (coal) gas leakage detects protective device and there is following shortcoming: one is simply cut off gas supply; Two is to cut off the electricity supply, and can not eliminate because combustion (coal) gas is revealed and the explosion danger of initiation; Three is due to simple detection gas leakage, reliably might not cut off gas supply, and then or cause fire to aggravate further due to adding of combustion gas during breaking out of fire.
Utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is to provide one not only can die and power-off when combustion gas (coal) is leaked, and also can die in case of fire and the gas leakage auto-breaking gas-cutting off device of power-off.
In order to solve the problem, the utility model is by the following technical solutions: gas leakage auto-breaking gas-cutting off device, comprise single-chip microcomputer, Power Entry Module, coal gas detection module, fuel gas shutoff circuit and alarm module, described coal gas detection module comprises gas security and sensor circuit, the signal output part of described coal gas detection module is electrically connected with described single-chip microcomputer, described alarm module is electrically connected with single-chip microcomputer, it is characterized in that, also comprise tripping operation topworks, temperature sensor and internal battery, described tripping operation topworks comprises relay K M1 and triode Q1, the normally closed contact of described relay K M1 is serially connected on indoor live wire, the base stage of described triode Q1 is connected with described single-chip microcomputer, for driving relay K M1, described fuel gas shutoff circuit comprises relay K M2 and triode Q2, and the normally opened contact of described relay K M2 is serially connected on the power circuit of gas pipeline magnetic valve, and the base stage of described triode Q2 is connected with described single-chip microcomputer, for driving relay K M2, described temperature sensor is electrically connected with single-chip microcomputer, described Power Entry Module comprises 220v and turns 5v step-down chip and 220v turns 9v step-down chip, described internal battery provides working power for described acoustic-optic alarm.
Further, described alarm module comprises hummer, LED, triode Q3 and triode Q4, and described triode Q3 drives hummer and LED after being connected with described single-chip microcomputer respectively with the base stage of triode Q4 respectively.
Further, described sensor circuit comprises CD4053B analog switch, LMV321 amplifier chip, LP3965 voltage stabilizing chip and sensor connector, the output terminal of described LP3965 voltage stabilizing chip is connected with described sensor connector, the public input end of described CD4053B analog switch is connected with sensor connector, output end signal is sent to single-chip microcomputer after LMV321 amplifier chip, and the control end of CD4053B analog switch is connected with single-chip microcomputer.
The beneficial effects of the utility model are: have tripping operation topworks, can after gas leakage auto-breaking; It can be not only that power-off is died at gas leakage, also can die and power-off, fully ensure that safety after temperature sensor detects temperature when breaking out of fire; It has internal battery, and warning device can also work on after a loss of power, and reliability is high.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is circuit diagram of the present utility model;
Fig. 2 is Power Entry Module circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated:
As depicted in figs. 1 and 2, this gas leakage auto-breaking gas-cutting off device comprises single-chip microcomputer, Power Entry Module, coal gas detection modules A 1, fuel gas shutoff circuit A2, tripping operation topworks A3, temperature sensor A4, alarm module A5 and internal battery.Single-chip microcomputer adopts STC12C5A60S2 single-chip microcomputer.
Described coal gas detection modules A 1 comprises gas security and sensor circuit, and described sensor circuit comprises CD4053B analog switch, LMV321 amplifier chip, LP3965 voltage stabilizing chip and sensor connector P3.Gas security does not draw in the drawings, and during use, it is connected on sensor connector P3.The described output terminal VOUT of LP3965 voltage stabilizing chip is connected with the contact 4 of described sensor connector, wherein, after Y end connects swept resistance R12, then is connected with the contact 3 of sensor connector after resistance in series R5.Public input end X with Y of described CD4053B analog switch is connected with sensor connector, and output end signal is sent to single-chip microcomputer P0.4 and P0.5 pin after LMV321 amplifier chip, and control end A with B of CD4053B analog switch is connected with the P0.6 pin of single-chip microcomputer.For sensor circuit, the utility model also merely provides an embodiment, emphasis of the present utility model does not lie in and this sensor circuit itself, because those skilled in the art can have various ways to realize, therefore, those skilled in the art replace circuit in the utility model with existing sensor circuit or the change made when not separating sensor circuit essence to the utility model generally speaking not what material alterations, the change of therefore replacing circuit in the utility model with existing sensor circuit or make when not separating sensor circuit essence also belongs to protection domain of the present utility model.
Described alarm module A5 is electrically connected with single-chip microcomputer, it comprises hummer FM, LED D1, triode Q3 and triode Q4, described triode Q3 and the base stage of triode Q4 are distinguished series resistor R66 and are connected with the P1.1 pin of described single-chip microcomputer and P1.3 pin with after resistance R44, triode Q3 is connected hummer FM and LED D1 respectively with the collector of triode Q4, for driving hummer FM and LED D1.
Described tripping operation topworks A3 comprises relay K M1 and triode Q1, and the normally closed contact of described relay K M1 is serially connected on indoor 220v live wire, is connected, for driving relay K M1 after the base stage series resistor R55 of described triode Q1 with described single-chip microcomputer.Described fuel gas shutoff circuit A2 principle is identical with tripping operation topworks A3, and comprise relay K M2 and triode Q2, the normally opened contact of described relay K M2 is serially connected on the 9v power circuit of gas pipeline magnetic valve, and connection terminal P22 is used for connected electromagnetic valve.The base stage of described triode Q2 is connected, for driving relay K M2 with described single-chip microcomputer P3.3 pin.
Described temperature sensor adopts DS18B20, and its DQ pin is electrically connected with the P4.1 pin of single-chip microcomputer.Described Power Entry Module comprises 220v and turns 5v step-down chip T1 and 220v and turn 9v step-down chip T2, turns 5v step-down chip and 220v turns 9v step-down chip for 220v, and its selectable kind is more, here no longer illustrates.Described internal battery provides working power for described acoustic-optic alarm.
Principle of work of the present utility model is: after gas security has detected gas leakage, signal reaches single-chip microcomputer through sensor circuit, the relay work of Micro Controller Unit (MCU) driving tripping operation topworks A3 and fuel gas shutoff circuit A2, circuit and combustion gas are all cut-off, simultaneously, alarm module sends sound and light alarm, owing to being provided with internal battery in this device, so alarm module still can work after cutting off circuit.After temperature is too high, signal is sent to single-chip microcomputer by temperature sensor, and single-chip microcomputer carries out having a power failure and dying equally, ensure that the fire preventing gas leakage from causing worsens.
Claims (3)
1. gas leakage auto-breaking gas-cutting off device, comprise single-chip microcomputer, Power Entry Module, coal gas detection module, fuel gas shutoff circuit and alarm module, described coal gas detection module comprises gas security and sensor circuit, the signal output part of described coal gas detection module is electrically connected with described single-chip microcomputer, described alarm module is electrically connected with single-chip microcomputer, it is characterized in that, also comprise tripping operation topworks, temperature sensor and internal battery, described tripping operation topworks comprises relay K M1 and triode Q1, the normally closed contact of described relay K M1 is serially connected on indoor live wire, the base stage of described triode Q1 is connected with described single-chip microcomputer, for driving relay K M1, described fuel gas shutoff circuit comprises relay K M2 and triode Q2, and the normally opened contact of described relay K M2 is serially connected on the power circuit of gas pipeline magnetic valve, and the base stage of described triode Q2 is connected with described single-chip microcomputer, for driving relay K M2, described temperature sensor is electrically connected with single-chip microcomputer, described Power Entry Module comprises 220v and turns 5v step-down chip and 220v turns 9v step-down chip, described internal battery provides working power for acoustic-optic alarm.
2. gas leakage auto-breaking gas-cutting off device according to claim 1, it is characterized in that, described alarm module comprises hummer, LED, triode Q3 and triode Q4, and described triode Q3 drives hummer and LED after being connected with described single-chip microcomputer respectively with the base stage of triode Q4 respectively.
3. gas leakage auto-breaking gas-cutting off device according to claim 1, it is characterized in that, described sensor circuit comprises CD4053B analog switch, LMV321 amplifier chip, LP3965 voltage stabilizing chip and sensor connector, the output terminal of described LP3965 voltage stabilizing chip is connected with described sensor connector, the public input end of described CD4053B analog switch is connected with sensor connector, output end signal is sent to single-chip microcomputer after LMV321 amplifier chip, and the control end of CD4053B analog switch is connected with single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420701654.2U CN204204162U (en) | 2014-11-20 | 2014-11-20 | Gas leakage auto-breaking gas-cutting off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420701654.2U CN204204162U (en) | 2014-11-20 | 2014-11-20 | Gas leakage auto-breaking gas-cutting off device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204162U true CN204204162U (en) | 2015-03-11 |
Family
ID=52662097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420701654.2U Expired - Fee Related CN204204162U (en) | 2014-11-20 | 2014-11-20 | Gas leakage auto-breaking gas-cutting off device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204204162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796024A (en) * | 2017-05-14 | 2018-03-13 | 王文义 | Kitchen protector |
| CN110056700A (en) * | 2019-03-25 | 2019-07-26 | 路越 | A kind of gas valve automatic closing system |
-
2014
- 2014-11-20 CN CN201420701654.2U patent/CN204204162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107796024A (en) * | 2017-05-14 | 2018-03-13 | 王文义 | Kitchen protector |
| CN110056700A (en) * | 2019-03-25 | 2019-07-26 | 路越 | A kind of gas valve automatic closing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203478359U (en) | Timing flameout control device of gas stove | |
| CN203311597U (en) | Intelligent combustion gas leakage detector | |
| CN204204162U (en) | Gas leakage auto-breaking gas-cutting off device | |
| CN204554902U (en) | A kind of kitchen range flameout control circuit and adopt the kitchen range of this circuit | |
| CN104332028A (en) | Gas leakage control system | |
| CN201749358U (en) | Automatic processing controller of kitchen | |
| CN204178520U (en) | Gas leak disposal system | |
| CN203812058U (en) | A household energy management controller | |
| CN204390439U (en) | A kind of gas safe control system | |
| CN202032300U (en) | Household electronic coal gas inductive switch | |
| CN206145731U (en) | Gas safety control device | |
| CN204517052U (en) | A kind of safety patch board | |
| CN205279170U (en) | Safe gas -cooker of high -efficient intelligence warning | |
| CN204404267U (en) | A kind of battery allowance alarm set for gas-cooker | |
| CN204129922U (en) | Gas leak supervisory system | |
| CN203809823U (en) | Electromagnetic quick disconnection valve assembly | |
| CN203104810U (en) | Heating device for preventing dry heating | |
| CN204390438U (en) | Safety interaction fuel gas alarm | |
| CN202917756U (en) | Plug with temperature control module | |
| CN204178519U (en) | Gas leak control system | |
| CN207797131U (en) | A kind of large stove extinguishing protection control system | |
| CN104318722A (en) | Coal gas leakage processing system | |
| CN204129921U (en) | gas leak detection system | |
| CN203785022U (en) | Starting device of gas stove alarming circuit | |
| CN204421091U (en) | A kind of gas range anti-dry automatic cut off device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |