CN203706335U - Infrared mutual emitting alarm for theft prevention of building site - Google Patents
Infrared mutual emitting alarm for theft prevention of building site Download PDFInfo
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- CN203706335U CN203706335U CN201420100731.9U CN201420100731U CN203706335U CN 203706335 U CN203706335 U CN 203706335U CN 201420100731 U CN201420100731 U CN 201420100731U CN 203706335 U CN203706335 U CN 203706335U
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Abstract
The utility model discloses an infrared mutual emitting alarm for theft prevention of a building site. The infrared mutual emitting alarm comprises a power supply circuit, an AT89S52 type single-chip microcomputer, a 74LS14D type inverter, an infrared emission circuit, an infrared receiver circuit and an audible-visual annunciator. The power supply circuit respectively supplies power to the AT89S52 type single-chip microcomputer, the infrared emission circuit and the infrared receiver circuit; the infrared emission circuit emits infrared signals; the infrared receiver circuit receives the infrared signals; the output end of the infrared receiver circuit is connected with the input end of the 74LS14D type inverter; the output end of the 74LS14D type inverter is connected with the input end of the AT89S52 type single-chip microcomputer; the output end of the AT89S52 type single-chip microcomputer is connected with input end of the infrared emission circuit; and the control signal output end of the AT89S52 type single-chip microcomputer is connected with the control signal input end of an audible-visual annunciator circuit. The infrared mutual emitting alarm provided by the utility model solves the problem of incapability of correct alarm or inaccurate alarm which is caused by severe environment or quite large noise at the building site.
Description
Technical field
The utility model relates to a kind of alarm, particularly relates to a kind of for the antitheft infrared emission alarm in building site.
Background technology
Alarm is a kind of for preventing or preventing certain event that the consequence causing occurs, and reminds or warn us and should take the electronic product of certain action with forms such as sound, light, air pressure.Alarm (alarm), is divided into mechanical alarm device and electronic alarm.Along with scientific and technological progress, mechanical alarm device is replaced by advanced electronic alarm more and more, is often applied to the fields such as the system failure, safety precaution, communications and transportation, medical aid, emergency disaster relief, induction detection, inseparable with social production.Alarm (alarm), is a kind of for preventing or preventing certain event that the consequence causing occurs, and reminds or warn us and should take the electronic product of certain action with forms such as sound, light, air pressure.Along with scientific and technological progress, mechanical alarm device is substituted by advanced electronic alarm more and more, is widely used in the fields such as the system failure, safety precaution, communications and transportation, medical aid, emergency disaster relief, induction detection, inseparable with social production.As: door magnetic inductor and coal gas induction alarm device.
The host machine wired wireless defence area of multi-functional, alarming control (eight roads are wireless four wired defence areas, tunnel): can connect wired probe, wired magnetic, wired gas detectors.(if expand four wireless defence areas, can use a teleswitch and operate, can carry out radio alarming or relief whenever and wherever possible) multiple mode of operation: can use telephone set to operate system; Also can operate with phone elsewhere; Can in time various alerting signals be reached to alarm center with digital form; Six road telephone numbers can be set.Possesses advanced anti-interference, anti-lightning strike characteristic.If there is illegal burglary person, on-the-spot by the high-decibel loudspeaker of main frame or the warning of the alarming horn of connection at once, outwards send alerting signal simultaneously.
Because environment is severe and the larger reason of noise, traditional a lot of alarms all can not use on-site, and the degree of accuracy height that wants to reach warning is not easy more.
Utility model content
The purpose of this utility model is to provide a kind of for the antitheft infrared emission alarm in building site in order to address the above problem.
The utility model is achieved through the following technical solutions:
A kind of for the antitheft infrared emission alarm in building site, comprise power circuit, AT89S52 type single-chip microcomputer, 74LS14D type phase inverter, infrared transmitting circuit, infrared receiving circuit and audible-visual annunciator, described power circuit is respectively described AT89S52 type single-chip microcomputer, described infrared transmitting circuit and the power supply of described infrared receiving circuit, described infrared transmitting circuit transmitting infrared signal, described infrared receiving circuit receives infrared signal, the output terminal of described infrared receiving circuit is connected with the input end of described 74LS14D type phase inverter, the output terminal of described 74LS14D type phase inverter is connected with the input end of described AT89S52 type single-chip microcomputer, the output terminal of described AT89S52 type single-chip microcomputer is connected with the input end of described infrared transmitting circuit, the control signal output terminal of described AT89S52 type single-chip microcomputer is connected with the control signal input end of described sound light alarming circuit.
Particularly, described sound light alarming circuit comprises the first resistance, the second resistance, the 3rd resistance, light emitting diode, diode, triode and hummer, the negative pole of described light emitting diode is connected with the control signal output terminal of described AT89S52 type single-chip microcomputer, the positive pole of described light emitting diode is connected with the first end of described the first resistance and the first end of described the second resistance respectively, the second end of described the first resistance is connected with the first end of described the 3rd resistance, the second end of described the second resistance is connected with the negative pole of described diode and the first end of described hummer respectively, the second end of described hummer is connected with the collector of described triode, the base stage of described triode is connected with the positive pole of described diode and the second end of described the 3rd resistance respectively, the grounded emitter of described triode.
As preferably, described the first resistance is 4.7K Ω, and described the 3rd resistance is 1K Ω, and described diode is IN4148 type diode, and described triode is KST2222A type triode.
The beneficial effects of the utility model are:
The utility model is a kind of for the antitheft infrared emission alarm in building site, has solved on-site because the accurate not problem of cannot correctly reporting to the police or report to the police that environment is severe and the larger reason of noise causes has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model for the antitheft infrared emission alarm in building site;
Fig. 2 is the circuit diagram of audible-visual annunciator described in the utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail:
As shown in Figure 1, the utility model is a kind of for the antitheft infrared emission alarm in building site, comprise power circuit, AT89S52 type single-chip microcomputer, 74LS14D type phase inverter, infrared transmitting circuit, infrared receiving circuit and audible-visual annunciator, power circuit is respectively AT89S52 type single-chip microcomputer, infrared transmitting circuit and infrared receiving circuit power supply, infrared transmitting circuit transmitting infrared signal, infrared receiving circuit receives infrared signal, the output terminal of infrared receiving circuit is connected with the input end of 74LS14D type phase inverter, the output terminal of 74LS14D type phase inverter is connected with the input end of AT89S52 type single-chip microcomputer, the output terminal of AT89S52 type single-chip microcomputer is connected with the input end of infrared transmitting circuit, the control signal output terminal of AT89S52 type single-chip microcomputer is connected with the control signal input end of sound light alarming circuit.
As shown in Figure 2, sound light alarming circuit comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, LED, diode D, triode VT and hummer HA, the negative pole of LED is connected with the control signal output terminal of AT89S52 type single-chip microcomputer, the positive pole of LED is connected with the first end of the first resistance R 1 and the first end of the second resistance R 2 respectively, the second end of the first resistance R 1 is connected with the first end of the 3rd resistance R 3, the second end of the second resistance R 2 is connected with the negative pole of diode D and the first end of hummer HA respectively, the second end of hummer HA is connected with the collector of triode VT, the base stage of triode VT is connected with the positive pole of diode D and the second end of the 3rd resistance R 3 respectively, the grounded emitter of triode VT.The first resistance R 1 is 4.7K Ω, and the 3rd resistance R 3 is 1K Ω, and diode D is IN4148 type diode, and triode VT is KST2222A type triode.
The pin P1.2--P1.7 of AT89S52 single-chip microcomputer is delivery outlet, and P3.0--3.5 is input port.P1 mouth connects infrared transmitting circuit, when P1 mouth is low level, infrared transmitting circuit conducting, normal transmission infrared ray, the input of P3 mouth is through infrared receiving circuit reception and by the anti-phase level of 74LS14D type phase inverter, when level arrives after singlechip CPU, if each mouthful is low level, CPU does not do any reaction, does not now report to the police; Now when infrared ray is considered to block and infrared receiving circuit cannot be received, P3 input port will input high level, now in the time detecting that within the regular hour light beam that is positioned at diverse location is blocked, by P3.7 mouth output alarm signal, drive sound light alarming circuit to report to the police.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within being all included in protection scope of the present invention.
Claims (3)
1. one kind for the antitheft infrared emission alarm in building site, comprise power circuit, it is characterized in that: also comprise AT89S52 type single-chip microcomputer, 74LS14D type phase inverter, infrared transmitting circuit, infrared receiving circuit and audible-visual annunciator, described power circuit is respectively described AT89S52 type single-chip microcomputer, described infrared transmitting circuit and the power supply of described infrared receiving circuit, described infrared transmitting circuit transmitting infrared signal, described infrared receiving circuit receives infrared signal, the output terminal of described infrared receiving circuit is connected with the input end of described 74LS14D type phase inverter, the output terminal of described 74LS14D type phase inverter is connected with the input end of described AT89S52 type single-chip microcomputer, the output terminal of described AT89S52 type single-chip microcomputer is connected with the input end of described infrared transmitting circuit, the control signal output terminal of described AT89S52 type single-chip microcomputer is connected with the control signal input end of described sound light alarming circuit.
2. according to claim 1 for the antitheft infrared emission alarm in building site, it is characterized in that: described sound light alarming circuit comprises the first resistance, the second resistance, the 3rd resistance, light emitting diode, diode, triode and hummer, the negative pole of described light emitting diode is connected with the control signal output terminal of described AT89S52 type single-chip microcomputer, the positive pole of described light emitting diode is connected with the first end of described the first resistance and the first end of described the second resistance respectively, the second end of described the first resistance is connected with the first end of described the 3rd resistance, the second end of described the second resistance is connected with the negative pole of described diode and the first end of described hummer respectively, the second end of described hummer is connected with the collector of described triode, the base stage of described triode is connected with the positive pole of described diode and the second end of described the 3rd resistance respectively, the grounded emitter of described triode.
3. according to claim 2 for the antitheft infrared emission alarm in building site, it is characterized in that: described the first resistance is 4.7K Ω, described the 3rd resistance is 1K Ω, and described diode is IN4148 type diode, and described triode is KST2222A type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100731.9U CN203706335U (en) | 2014-03-06 | 2014-03-06 | Infrared mutual emitting alarm for theft prevention of building site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100731.9U CN203706335U (en) | 2014-03-06 | 2014-03-06 | Infrared mutual emitting alarm for theft prevention of building site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706335U true CN203706335U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100731.9U Expired - Fee Related CN203706335U (en) | 2014-03-06 | 2014-03-06 | Infrared mutual emitting alarm for theft prevention of building site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706335U (en) |
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2014
- 2014-03-06 CN CN201420100731.9U patent/CN203706335U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610021, No. four, No. nine, South Ring Road, Sichuan, Chengdu, attached No. five Patentee after: Sichuan Wan Sheng Intelligent Technology Co., Ltd. Address before: 610021, No. four, No. nine, South Ring Road, Sichuan, Chengdu, attached No. five Patentee before: CHENGDU WONSEN ELECTRON SYSTEM INTEGRATION CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170306 |