CN204515960U - A kind of infrared safety protection alarm circuit - Google Patents
A kind of infrared safety protection alarm circuit Download PDFInfo
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- CN204515960U CN204515960U CN201520017247.4U CN201520017247U CN204515960U CN 204515960 U CN204515960 U CN 204515960U CN 201520017247 U CN201520017247 U CN 201520017247U CN 204515960 U CN204515960 U CN 204515960U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Abstract
The utility model discloses a kind of infrared safety protection alarm circuit, comprise power circuit, infrared monitoring circuit, sound light alarming circuit and cut-offing alarming circuit.The utility model alarm uses TX05C type infrared ray transceiving module as emissive source and Signal reception source, it utilizes the sightless infrared ray of human eye, composition wireless surveillance region, add sensing range, and there is extremely strong confidentiality and reliability, add cut-offing alarming circuit in circuit, once burglar's breaking alarm power supply, can warning be sent equally, the alarm that this circuit is made has that structure is simple, monitoring range is wide, the advantage of stable performance and power alarm.
Description
Technical field
The utility model relates to a kind of alarm, specifically a kind of highly sensitive, simple infrared safety protection alarm circuit of structure.
Background technology
Along with the raising of people's living standard, the valuables of family also get more and more, as mobile phone, notebook computer, jewellery etc., therefore also more and more security protection work is paid attention to, and alarm is as the achievement in research of Modern Electronic industry, be applied in various family widely, alarm security facility in the environment such as office, especially Infrared intrusion detector, it uses infrared ray as trigger source, once have people to touch or block infrared ray, just energy trigger alarm device, easy to use, extensively like by people, but traditional Infrared intrusion detector uses infrarede emitting diode as emissive source, light emitting diode poor reliability, sensing range is limited, if and some theft master-hands shift to an earlier date power source of alarm, alarm just cannot work, it is unfavorable greatly to bring to protected working.
Utility model content
The purpose of this utility model is to provide a kind of highly sensitive, simple infrared safety protection alarm circuit of structure, 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 infrared safety protection alarm circuit, comprise power circuit, infrared monitoring circuit, sound light alarming circuit and cut-offing alarming circuit, described power circuit comprises 220V alternating current, transformer W, rectifier bridge T, electric capacity C1 and chip IC 3, described infrared monitoring circuit comprises chip IC 1 and chip IC 2, described sound light alarming circuit comprises chip IC 4, diode D1 and loudspeaker B1, described cut-offing alarming circuit comprises triode VT2, triode VT3, unidirectional thyristor RT and loudspeaker B2;
The primary side of transformer W connects 220V alternating current, the out secondary of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the out secondary of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, 2 ports of rectifier bridge T connect 1 pin and the electric capacity C2 of chip IC 3, 4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, 1 pin of chip IC 1, 1 pin of chip IC 2, 2 pins of chip IC 3, 1 pin of chip IC 4 and the emitter of triode VT1, 3 pins of chip IC 3 connect the other end of electric capacity C3, the other end of electric capacity C4, diode D2 and power supply E1, 2 pin contact resistance R1 of chip IC 1, resistance R2, loudspeaker B1, 3 pins of chip IC 2, 4 pins of chip IC 4 and 8 pins of chip IC 4, the other end of 2 pin contact resistance R1 of chip IC 2, the other end of resistance R2 and 2 pins of chip IC 4, the other end of the other end contact resistance R2 of electric capacity C5, 6 pins of chip IC 4 and 7 pins of chip IC 4, the other end of electric capacity C6 connects 5 pins of chip IC 4, 3 pin contact resistance R3 of chip IC 4, the base stage of the other end connecting triode VT1 of resistance R3, the collector of triode VT1 connects the positive pole of diode D1, the negative pole of diode D1 connects the other end of loudspeaker B1, the positive pole contact resistance R4 of power supply E1, the emitter of resistance R5 and triode VT3, the other end of resistance R4 connects the stiff end of potentiometer RP1, the base stage of triode VT2 and the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 connects electric capacity C8, the other end of electric capacity C8 connects electric capacity C7, loudspeaker B2, the emitter of triode VT2 and the collector of triode VT3, the collector of triode VT2 connects the other end of electric capacity C7 and the base stage of triode VT3, the other end of loudspeaker B2 connects the anode of unidirectional thyristor RT, the pin of unidirectional thyristor RT connects the negative pole of diode D2, the other end of the control pole contact resistance R5 of unidirectional thyristor RT.
As preferred version of the present utility model: described chip IC 1 is TX05C-T type infrared transmission module, chip IC 2 is TX05C-R type infrared receiving module, and chip IC 3 is 7805 type circuit of three-terminal voltage-stabilizing integrated, and chip IC 4 is 555 timers.
As preferred version of the present utility model: 220V voltage is become 12V voltage by a winding of described transformer W and 2 windings of transformer W.
As preferred version of the present utility model: described power supply E1 is 5V direct current.
As preferred version of the present utility model: described diode D1 is light emitting diode.
Compared with prior art, the beneficial effects of the utility model are: alarm uses TX05C type infrared ray transceiving module as emissive source and Signal reception source, it utilizes the sightless infrared ray of human eye, composition wireless surveillance region, add sensing range, and there is extremely strong confidentiality and reliability, cut-offing alarming circuit is added in circuit, once burglar's breaking alarm power supply, can warning be sent equally, the alarm that this circuit is made has that structure is simple, monitoring range is wide, the advantage of stable performance and power alarm.
Accompanying drawing explanation
Fig. 1 is a kind of circuit diagram of infrared safety protection alarm 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, a kind of infrared safety protection alarm circuit, comprise power circuit, infrared monitoring circuit, sound light alarming circuit and cut-offing alarming circuit, described power circuit comprises 220V alternating current, transformer W, rectifier bridge T, electric capacity C1 and chip IC 3, described infrared monitoring circuit comprises chip IC 1 and chip IC 2, described sound light alarming circuit comprises chip IC 4, diode D1 and loudspeaker B1, described cut-offing alarming circuit comprises triode VT2, triode VT3, unidirectional thyristor RT and loudspeaker B2;
The primary side of transformer W connects 220V alternating current, the out secondary of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the out secondary of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, 2 ports of rectifier bridge T connect 1 pin and the electric capacity C2 of chip IC 3, 4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, 1 pin of chip IC 1, 1 pin of chip IC 2, 2 pins of chip IC 3, 1 pin of chip IC 4 and the emitter of triode VT1, 3 pins of chip IC 3 connect the other end of electric capacity C3, the other end of electric capacity C4, diode D2 and power supply E1, 2 pin contact resistance R1 of chip IC 1, resistance R2, loudspeaker B1, 3 pins of chip IC 2, 4 pins of chip IC 4 and 8 pins of chip IC 4, the other end of 2 pin contact resistance R1 of chip IC 2, the other end of resistance R2 and 2 pins of chip IC 4, the other end of the other end contact resistance R2 of electric capacity C5, 6 pins of chip IC 4 and 7 pins of chip IC 4, the other end of electric capacity C6 connects 5 pins of chip IC 4, 3 pin contact resistance R3 of chip IC 4, the base stage of the other end connecting triode VT1 of resistance R3, the collector of triode VT1 connects the positive pole of diode D1, the negative pole of diode D1 connects the other end of loudspeaker B1, the positive pole contact resistance R4 of power supply E1, the emitter of resistance R5 and triode VT3, the other end of resistance R4 connects the stiff end of potentiometer RP1, the base stage of triode VT2 and the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 connects electric capacity C8, the other end of electric capacity C8 connects electric capacity C7, loudspeaker B2, the emitter of triode VT2 and the collector of triode VT3, the collector of triode VT2 connects the other end of electric capacity C7 and the base stage of triode VT3, the other end of loudspeaker B2 connects the anode of unidirectional thyristor RT, the pin of unidirectional thyristor RT connects the negative pole of diode D2, the other end of the control pole contact resistance R5 of unidirectional thyristor RT.
Chip IC 1 is TX05C-T type infrared transmission module, and chip IC 2 is TX05C-R type infrared receiving module, and chip IC 3 is 7805 type circuit of three-terminal voltage-stabilizing integrated, and chip IC 4 is 555 timers.
220V voltage is become 12V voltage by a winding of transformer W and 2 windings of transformer W.
Power supply E1 is 5V direct current.
Diode D1 is light emitting diode.
Principle of work of the present utility model is: circuit access power supply, be placed on the region needing monitoring, when nobody enters people's monitor area, chip IC 2 receives the infrared ray that chip IC 1 is launched, the transistor cutoff of chip IC 2 inside, then 2 pins of chip IC 2 export as high level, the monostable circuit be now made up of chip IC 4 is in reset mode, 3 pin no-outputs of chip IC 4, warning circuit does not work, and loudspeaker B and light emitting diode do not work.People's monitor area is entered if any people, the infrared ray that IC1 sends will be stopped, chip IC 2 does not receive the infrared ray that chip IC 1 sends, then the transistor turns of chip IC 2 inside, and namely trigger end 2 pin of IC4 is subject to low level triggering, chip IC 4 overturns into people's SM set mode, 3 pins of chip IC 4 export high level, and triode VT1 base stage has electric current to flow through, triode VT1 conducting, loudspeaker B and light emitting diode D1 works, and will send sound and light alarm.In addition, be provided with cut-offing alarming circuit in circuit, when circuit has an electricity, unidirectional thyristor RT is in reverse blocking state, and loudspeaker B2 does not work, and when power source of alarm cuts off by burglar, unidirectional thyristor RT forward conduction, loudspeaker B2 sends loud warning.
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 (5)
1. an infrared safety protection alarm circuit, comprises power circuit, infrared monitoring circuit, sound light alarming circuit and cut-offing alarming circuit; It is characterized in that, described power circuit comprises 220V alternating current, transformer W, rectifier bridge T, electric capacity C1 and chip IC 3, described infrared monitoring circuit comprises chip IC 1 and chip IC 2, described sound light alarming circuit comprises chip IC 4, diode D1 and loudspeaker B1, described cut-offing alarming circuit comprises triode VT2, triode VT3, unidirectional thyristor RT and loudspeaker B2;
The primary side of transformer W connects 220V alternating current, the out secondary of transformer W connects 1 port of electric capacity C1 and rectifier bridge T, the other end of the out secondary of transformer W connects the other end of electric capacity C1 and 3 ports of rectifier bridge T, 2 ports of rectifier bridge T connect 1 pin and the electric capacity C2 of chip IC 3, 4 ports of rectifier bridge T connect the other end of electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, 1 pin of chip IC 1, 1 pin of chip IC 2, 2 pins of chip IC 3, 1 pin of chip IC 4 and the emitter of triode VT1, 3 pins of chip IC 3 connect the other end of electric capacity C3, the other end of electric capacity C4, diode D2 and power supply E1, 2 pin contact resistance R1 of chip IC 1, resistance R2, loudspeaker B1, 3 pins of chip IC 2, 4 pins of chip IC 4 and 8 pins of chip IC 4, the other end of 2 pin contact resistance R1 of chip IC 2, the other end of resistance R2 and 2 pins of chip IC 4, the other end of the other end contact resistance R2 of electric capacity C5, 6 pins of chip IC 4 and 7 pins of chip IC 4, the other end of electric capacity C6 connects 5 pins of chip IC 4, 3 pin contact resistance R3 of chip IC 4, the base stage of the other end connecting triode VT1 of resistance R3, the collector of triode VT1 connects the positive pole of diode D1, the negative pole of diode D1 connects the other end of loudspeaker B1, the positive pole contact resistance R4 of power supply E1, the emitter of resistance R5 and triode VT3, the other end of resistance R4 connects the stiff end of potentiometer RP1, the base stage of triode VT2 and the sliding end of potentiometer RP1, another stiff end of potentiometer RP1 connects electric capacity C8, the other end of electric capacity C8 connects electric capacity C7, loudspeaker B2, the emitter of triode VT2 and the collector of triode VT3, the collector of triode VT2 connects the other end of electric capacity C7 and the base stage of triode VT3, the other end of loudspeaker B2 connects the anode of unidirectional thyristor RT, the pin of unidirectional thyristor RT connects the negative pole of diode D2, the other end of the control pole contact resistance R5 of unidirectional thyristor RT.
2. the infrared safety protection alarm circuit of one according to claim 1, it is characterized in that, described chip IC 1 is TX05C-T type infrared transmission module, and chip IC 2 is TX05C-R type infrared receiving module, chip IC 3 is 7805 type circuit of three-terminal voltage-stabilizing integrated, and chip IC 4 is 555 timers.
3. the infrared safety protection alarm circuit of one according to claim 1, is characterized in that, 220V voltage is become 12V voltage by a winding of described transformer W and 2 windings of transformer W.
4. the infrared safety protection alarm circuit of one according to claim 1, is characterized in that, described power supply E1 is 5V direct current.
5. the infrared safety protection alarm circuit of one according to claim 1, is characterized in that, described diode D1 is light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017247.4U CN204515960U (en) | 2015-01-12 | 2015-01-12 | A kind of infrared safety protection alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017247.4U CN204515960U (en) | 2015-01-12 | 2015-01-12 | A kind of infrared safety protection alarm circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204515960U true CN204515960U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520017247.4U Expired - Fee Related CN204515960U (en) | 2015-01-12 | 2015-01-12 | A kind of infrared safety protection alarm circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204515960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093667A (en) * | 2019-06-18 | 2020-12-18 | 宝山钢铁股份有限公司 | Steel wire rope groove jumping warning device for bridge crane |
| WO2024041489A1 (en) * | 2022-08-26 | 2024-02-29 | 扎赉诺尔煤业有限责任公司 | Voice prompt circuit and garbage can |
-
2015
- 2015-01-12 CN CN201520017247.4U patent/CN204515960U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093667A (en) * | 2019-06-18 | 2020-12-18 | 宝山钢铁股份有限公司 | Steel wire rope groove jumping warning device for bridge crane |
| WO2024041489A1 (en) * | 2022-08-26 | 2024-02-29 | 扎赉诺尔煤业有限责任公司 | Voice prompt circuit and garbage can |
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Legal Events
| 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: 20150729 Termination date: 20220112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |