CN204557714U - A kind of smog warning system based on Internet of Things - Google Patents
A kind of smog warning system based on Internet of Things Download PDFInfo
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- CN204557714U CN204557714U CN201520244997.5U CN201520244997U CN204557714U CN 204557714 U CN204557714 U CN 204557714U CN 201520244997 U CN201520244997 U CN 201520244997U CN 204557714 U CN204557714 U CN 204557714U
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Abstract
The utility model discloses a kind of smog warning system based on Internet of Things, comprise Smoke Detection circuit, air exhauster, wireless messages receiver, main control unit, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button; The output terminal of described Smoke Detection circuit connects main control unit, described main control unit also connects air exhauster, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button respectively, and described Internet of Things wireless terminal also connects wireless messages receiver.The utility model smog warning system adopts the environment of correlation infrared optical sensor to guarded region to detect in real time, there is sound and light alarm, remote alarms, flue gas get rid of and the function of image acquisition, therefore native system have that intelligence degree is high, the advantage of diverse in function and superior performance.
Description
Technical field
The utility model relates to a kind of intelligent safety and defence system, specifically a kind of smog warning system based on Internet of Things.
Background technology
Specify according to existing security against fire, smog warning system is the basic fire fighting device of buildings indispensability.Arrange smog warning system can effectively prevent the generation of fire and spread, play the vital role of protection people life property safety.Common smog warning system generally includes the smoke transducer, alarm and the control end that are arranged at interior of building, but the sensitivity of this smog warning system ubiquity is low, reaction velocity slow, the shortcoming of easily wrong report, and when breaking out of fire, smog can become invisible killer and cause huge injury to disaster-stricken people.
Utility model content
The purpose of this utility model is to provide a kind of smog warning system based on Internet of Things, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of smog warning system based on Internet of Things, comprise Smoke Detection circuit, air exhauster, wireless messages receiver, main control unit, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button, the output terminal of described Smoke Detection circuit connects main control unit, described main control unit also connects air exhauster, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button respectively, and described Internet of Things wireless terminal also connects wireless messages receiver, described Smoke Detection module comprises light emitting diode D1, phototriode VT1 and electric capacity C1, the anode contact resistance R10 of light emitting diode D1 and power supply VCC, the negative electrode of light emitting diode D1 connects the stiff end of potentiometer RP4, the sliding end of potentiometer RP4 and the collector of phototriode VT1, the emitter contact resistance R9 of phototriode VT1 and the anode of diode D2, the other end of another stiff end contact resistance R9 of potentiometer RP4, electric capacity C1, the emitter of triode VT2 ground connection, the negative electrode of diode D2 connects the base stage of electric capacity C1 and triode VT2, the collector contact resistance R11 of triode VT2, the other end of the other end contact resistance R10 of resistance R11 and output signal OUT1.
As further program of the utility model: described display circuit is LED display.
As further program of the utility model: described main control unit is with the signal processing unit of AT89C51 single-chip microcomputer for main core component.
Compared with prior art, the beneficial effects of the utility model are: the utility model smog warning system adopts the environment of correlation infrared optical sensor to guarded region to detect in real time, there is sound and light alarm, remote alarms, flue gas get rid of and the function of image acquisition, therefore native system have that intelligence degree is high, the advantage of diverse in function and superior performance.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the smog warning system based on Internet of Things;
Fig. 2 is the circuit diagram of Smoke Detection circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, 2, in the utility model embodiment, a kind of smog warning system based on Internet of Things, comprise Smoke Detection circuit, air exhauster, wireless messages receiver, main control unit, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button, the output terminal of described Smoke Detection circuit connects main control unit, described main control unit also connects air exhauster respectively, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button, described Internet of Things wireless terminal also connects wireless messages receiver.
Described Smoke Detection module comprises light emitting diode D1, phototriode VT1 and electric capacity C1, the anode contact resistance R10 of light emitting diode D1 and power supply VCC, the negative electrode of light emitting diode D1 connects the stiff end of potentiometer RP4, the sliding end of potentiometer RP4 and the collector of phototriode VT1, the emitter contact resistance R9 of phototriode VT1 and the anode of diode D2, the other end of another stiff end contact resistance R9 of potentiometer RP4, electric capacity C1, the emitter of triode VT2 ground connection, the negative electrode of diode D2 connects the base stage of electric capacity C1 and triode VT2, the collector contact resistance R11 of triode VT2, the other end of the other end contact resistance R10 of resistance R11 and output signal OUT1.
Display circuit is LED display.
Main control unit is with the signal processing unit of AT89C51 single-chip microcomputer for main core component.
Principle of work of the present utility model is: in Smoke Detection circuit, and when in guarded region during non smoke, infrarede emitting diode D1 is luminous with the initial current mixed up in advance.This infrared light makes its internal resistance reduce after being received by phototriode VT1, electric current in infrarede emitting diode D1 and phototriode VT1 series circuit is increased, the corresponding increase of luminous intensity of infrarede emitting diode VD1, phototriode VT1 internal resistance reduces further.Circulation like this just defines strong positive feedback process, until make the electric current in series connection photosensitive circuit reach maximal value, the pressure drop that resistance R1 produces makes triode VT2 conducting through diode D2, and triode VT3 ends, and warning circuit does not work.When the hurried increase of the smog in guarded region, light transmission in air worsens, and the luminous flux that now phototriode VT1 receives reduces, and its internal resistance increases, electric current in series connection photosensitive circuit also reduces thereupon, and the luminous intensity of light emitting diode D1 also weakens thereupon.Circulation like this just defines degenerative process, make the electric current in series connection photosensitive circuit until be reduced to initial current value, voltage on resistance R9 also drops to critical value, make triode VT29 conducting, send alerting signal OUT to Single-chip Controlling center, identical when subsequent treatment mode is reported to the police with said temperature.Two kinds of any one triggerings of mode will trigger alarm circuit, by the coder-decoder of AT89C51 single-chip microcomputer inside, analyzing and processing is carried out to trigger pip, and export to DVR, air exhauster and sound light alarming circuit, sound light alarming circuit sends sound and light alarm, air exhauster is opened and is got rid of the smog in guarded region, control DVR to open simultaneously, the image information of record guarded region, and send to wireless messages receiver by Internet of Things wireless terminal, wireless receiver can be arranged on Surveillance center or fire department, once warning system is triggered, Surveillance center or fire department are in the fire information just understanding guarded region at a distance in time, take effective fire protection in time, storer is for storing trigger message, user can check trigger recording easily by button and display screen.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. the smog warning system based on Internet of Things, comprise Smoke Detection circuit, air exhauster, wireless messages receiver, main control unit, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button, it is characterized in that, the output terminal of described Smoke Detection circuit connects main control unit, described main control unit also connects air exhauster, Internet of Things wireless terminal, DVR, sound light alarming circuit, display circuit, storer and button respectively, and described Internet of Things wireless terminal also connects wireless messages receiver, described Smoke Detection module comprises light emitting diode D1, phototriode VT1 and electric capacity C1, the anode contact resistance R10 of light emitting diode D1 and power supply VCC, the negative electrode of light emitting diode D1 connects the stiff end of potentiometer RP4, the sliding end of potentiometer RP4 and the collector of phototriode VT1, the emitter contact resistance R9 of phototriode VT1 and the anode of diode D2, the other end of another stiff end contact resistance R9 of potentiometer RP4, electric capacity C1, the emitter of triode VT2 ground connection, the negative electrode of diode D2 connects the base stage of electric capacity C1 and triode VT2, the collector contact resistance R11 of triode VT2, the other end of the other end contact resistance R10 of resistance R11 and output signal OUT1.
2. a kind of smog warning system based on Internet of Things according to claim 1, is characterized in that, described display circuit is LED display.
3. a kind of smog warning system based on Internet of Things according to claim 1, is characterized in that, described main control unit is with the signal processing unit of AT89C51 single-chip microcomputer for main core component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244997.5U CN204557714U (en) | 2015-04-22 | 2015-04-22 | A kind of smog warning system based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244997.5U CN204557714U (en) | 2015-04-22 | 2015-04-22 | A kind of smog warning system based on Internet of Things |
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| CN204557714U true CN204557714U (en) | 2015-08-12 |
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| CN201520244997.5U Expired - Fee Related CN204557714U (en) | 2015-04-22 | 2015-04-22 | A kind of smog warning system based on Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223894A (en) * | 2015-11-04 | 2016-01-06 | 安徽理工大学 | A kind of Internet of Things detecting and controlling system and control method thereof |
| CN106781186A (en) * | 2016-11-10 | 2017-05-31 | 国家电网公司 | A kind of high-voltage transforming network fire safety management system |
| CN109410507A (en) * | 2017-08-15 | 2019-03-01 | 广东乐美智家环境科技股份有限公司 | A kind of intelligent radio two-stage smog warning system and its alarm method |
-
2015
- 2015-04-22 CN CN201520244997.5U patent/CN204557714U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105223894A (en) * | 2015-11-04 | 2016-01-06 | 安徽理工大学 | A kind of Internet of Things detecting and controlling system and control method thereof |
| CN106781186A (en) * | 2016-11-10 | 2017-05-31 | 国家电网公司 | A kind of high-voltage transforming network fire safety management system |
| CN109410507A (en) * | 2017-08-15 | 2019-03-01 | 广东乐美智家环境科技股份有限公司 | A kind of intelligent radio two-stage smog warning system and its alarm method |
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| Date | Code | Title | Description |
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| 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: 20150812 Termination date: 20160422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |