CN105374146A - Household cabinet intelligent antitheft alarm system - Google Patents
Household cabinet intelligent antitheft alarm system Download PDFInfo
- Publication number
- CN105374146A CN105374146A CN201510743359.2A CN201510743359A CN105374146A CN 105374146 A CN105374146 A CN 105374146A CN 201510743359 A CN201510743359 A CN 201510743359A CN 105374146 A CN105374146 A CN 105374146A
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- Prior art keywords
- photodiode
- signal
- resistance
- operational amplifier
- module
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Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a household cabinet intelligent antitheft alarm system, comprising a luminescence module, a raster, a photoelectric diode transducer array module, a processor and an acousto-optic alarm module, wherein the photoelectric diode transducer array module comprises a plurality of photodiodes and a signal processing module; the signal processing module comprises a plurality of signal processing circuits respectively in connection with the photodiodes; the processor comprises a timing unit, a receiving unit, a prestoring unit and a comparison unit; the signal processing circuits comprise first to fourth resistors, a first capacitor, a second capacitor and an operational amplifier. When a cabinet door is open, the alarm system can timely give an alarm, and has the characteristics of simple structure, convenient use and low cost.
Description
Technical field
The present invention relates to home furnishings intelligent technical field, particularly a kind of Intelligent anti-theft alarm system of household cupboard.
Background technology
Home furnishings intelligent take house as platform, utilize comprehensive wiring technology, the network communications technology, Smart Home-system design scheme security precautions technology, automatic control technology, audio frequency and video technology by integrated for facility relevant for life staying idle at home, build the management system of efficient housing facilities and family's schedule affairs, promote house security, convenience, comfortableness, artistry, and realize the living environment of environmental protection and energy saving.
Home furnishings intelligent is that thing connectionization embodies under the impact of Internet of Things.Various equipment (as audio & video equipment, illuminator, curtain control, airconditioning control, safety-protection system, Digital Theater System, network home appliance and three tables are made a copy for) in family are connected together by technology of Internet of things by Smart Home, provide several functions and the means such as the control of home wiring control, Lighting control, curtain, remote control using telephone, indoor and outdoor remote control, burglar alarm, environmental monitoring, HVAC control, infrared forwarding and programmable Timer control.Compared with common household, Smart Home not only has traditional inhabitation function, have both building, network service, information household appliances, equipment automatization, efficient, comfortable, safety, facility that collecting system, structure, service, management are integrated, the living environment of environmental protection, omnibearing information interaction function is provided, family is helped to keep information interchange unimpeded with outside, optimize the life style of people, people are helped effectively to arrange the time, strengthen the security of life staying idle at home, even economize on the use of funds for various energy expenditure.
Along with the continuous progress of society and the development of science and technology, the quality of life of people is improved day by day, to the antitheft requirement also corresponding lifting of living environment.Especially at home, the high-tech product of many costlinesses is more and more universal, and existing proof box all carrys out interlocking by mechanical lock or electronic lock, and when running into the situation of picking lock, its proof box will be destroyed, cause capsule information or article stolen, security is low.In privacy protection cabinet general at present, general is all only be equipped with the electric mortise lock of fingerprint module control and the mechanical lock of key control, two kinds of locks are opened simultaneously and could be opened cupboard, or have outfit monitoring backstage, the mode of direct physical connection is sent to the on off state of cupboard on host computer, but this has limitation again, needs user in real time in the other state of checking cupboard of host computer, take manpower, and inconvenient.
Application people be Tianjin photoelectricity Science and Technology Ltd. remote in proposition on Dec 1st, 2014 is a kind of can the patented claim of cupboard privacy device of Real-Time Monitoring cupboard on off state and abnormal motion state, can Real-Time Monitoring cupboard on off state and abnormal motion state but complex structure.
Liu Lei, Sun Xiaofei, Zhang Yu interim bedroom Intelligent anti-theft alarm system disclosed based on GSM of the 38th volume the 5th in " electronic measurement technique ", this system solves university student bedroom property safety problem, based on the bedroom Intelligent anti-theft alarm system of gsm module and infrared emission sensor, take STM32 as main control chip, gather coming from the sensor signal being placed in the multiple cabinet door in bedroom and judge, once note abnormalities, at once carry out sound and light alarm, judge cabinet number simultaneously and send the corresponding owner of short message prompt; Owner can be deployed troops on garrison duty by SMS control processor or withdraw a garrison oneself cabinet door.This system realizes simple, easy for installation; But still there is following defect: could report to the police when larger change occurs the relative position of power valve and receiving tube, namely can not warning reminding in time when cabinet door is unlocked slight distance.
Summary of the invention
Technical matters to be solved by this invention is the Intelligent anti-theft alarm system overcoming the deficiencies in the prior art and provide a kind of household cupboard, the present invention when cabinet door is opened can and alarm, structure is simple, easy to use and cost is low.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
According to the Intelligent anti-theft alarm system of a kind of household cupboard that the present invention proposes, comprise light emitting module, grating, photodiode sensor array module, processor and acousto-optic alarm module, wherein, described photodiode sensor array module comprises several photodiodes and signal processing module, described signal processing module comprises several signal processing circuits be connected one by one respectively with photodiode, and processor comprises timing unit, receiving element, pre-storing unit and comparing unit, described signal processing circuit comprises first to fourth resistance, the first electric capacity, the second electric capacity and operational amplifier, wherein, the positive pole of photodiode and one end of the first resistance, the in-phase input end of operational amplifier connects respectively, the other end of the first resistance is connected to ground, the negative pole of photodiode and one end of the first electric capacity, one end of second electric capacity, one end of second resistance connects respectively, the other end of the first electric capacity, the other end of the second electric capacity is connected to ground respectively, the other end of the second resistance and power supply, the positive power source terminal of operational amplifier connects respectively, the negative-phase input of operational amplifier and the 3rd resistance, one end of 4th resistance connects respectively, the other end of the 3rd resistance is connected to ground, the negative power end of operational amplifier is connected with negative supply, the other end of the 4th resistance is connected with the output terminal of operational amplifier,
Light emitting module, is arranged on cabinet door interior plate, for exporting directional light to grating;
Grating, is arranged in the middle of light emitting module and photodiode; For by directional light after its transmission, output optical signal is to photodiode;
Photodiode, is arranged on the cabinet back side panel relative with cabinet door, exports signal processing module to for receiving optical signals is converted to electric signal;
Signal processing module, exports receiving element, pre-storing unit to after being amplified by the electric signal of reception;
Timing unit, for exporting the first start signal to pre-storing unit within the time period of presetting, exports the second start signal to receiving element after the time period of presetting;
Pretreatment unit, for the storing initial amplification signal when receiving the first start signal;
Receiving element, for when receiving the second start signal, exports the electric signal after the amplification received to comparing unit;
Comparing unit, obtain changing value for the electric signal after amplification and initial amplification signal are compared analysis, when changing value exceedes max-thresholds, output abnormality signal is to sound and light alarm module;
Sound and light alarm module, receives abnormal signal alarm for working as.
As the further prioritization scheme of Intelligent anti-theft alarm system of a kind of household cupboard of the present invention, several photodiodes described are equally spaced lines up photodiode array, and the length that photoelectricity two closes pipe diode array is greater than the cycle of grating.
As the further prioritization scheme of Intelligent anti-theft alarm system of a kind of household cupboard of the present invention, described light emitting module comprises LED light source and lens.
As the further prioritization scheme of Intelligent anti-theft alarm system of a kind of household cupboard of the present invention, described photodiode is PIN photodiode.
As the further prioritization scheme of Intelligent anti-theft alarm system of a kind of household cupboard of the present invention, described operational amplifier is AD8001 operational amplifier.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) native system device is arranged in locker, and safety is concealed, does not subject to thief and destroys in advance, can reduce the stolen probability in bedroom to greatest extent;
(2) this system availability is strong, the present invention when cabinet door is opened can and alarm, structure is simple, easy to use and cost is low.
Accompanying drawing explanation
Fig. 1 is structure of the detecting device schematic diagram of the present invention.
Fig. 2 is signal processing circuit.
Reference numeral in figure is interpreted as: 1-LED light source, 2-lens, 3-grating, 4-photodiode array.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
Those skilled in the art of the present technique are understandable that, unless expressly stated, singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in instructions of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or couple.Wording "and/or" used herein comprises one or more arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Be the Intelligent anti-theft alarm system of structure of the detecting device schematic diagram of the present invention, a kind of household cupboard as shown in Figure 1, comprise light emitting module, grating 3, photodiode sensor array module, processor and acousto-optic alarm module; Wherein, described photodiode sensor array module comprises several photodiodes and signal processing module, described signal processing module comprises several signal processing circuits be connected one by one respectively with photodiode, and processor comprises timing unit, receiving element, pre-storing unit and comparing unit;
Light emitting module, is arranged on cabinet door interior plate, for exporting directional light to grating;
Grating, is arranged in the middle of light emitting module and photodiode; For by directional light after its transmission, output optical signal is to photodiode;
Photodiode, is arranged on the cabinet back side panel relative with cabinet door, exports signal processing module to for receiving optical signals is converted to electric signal;
Signal processing module, exports receiving element, pre-storing unit to after being amplified by the electric signal of reception;
Timing unit, for exporting the first start signal to pre-storing unit within the time period of presetting, exports the second start signal to receiving element after the time period of presetting;
Pretreatment unit, for the storing initial amplification signal when receiving the first start signal;
Receiving element, for when receiving the second start signal, exports the electric signal after the amplification received to comparing unit;
Comparing unit, obtain changing value for the electric signal after amplification and initial amplification signal are compared analysis, when changing value exceedes max-thresholds, output abnormality signal is to sound and light alarm module;
Sound and light alarm module, receives abnormal signal alarm for working as.
Several photodiodes described are equally spaced lines up photodiode array 4, and the length that photoelectricity two closes pipe diode array is greater than the cycle of grating.
Described light emitting module comprises LED light source 1 and lens 2.
Fig. 2 is signal processing circuit, and described signal processing circuit comprises first to fourth resistance R1-R4, the first electric capacity C1, the second electric capacity C2 and operational amplifier, wherein, the positive pole of photodiode and one end of the first resistance, the in-phase input end of operational amplifier connects respectively, the other end of the first resistance is connected to ground, the negative pole of photodiode and one end of the first electric capacity, one end of second electric capacity, one end of second resistance connects respectively, the other end of the first electric capacity, the other end of the second electric capacity is connected to ground respectively, the other end of the second resistance and power supply, the positive power source terminal of operational amplifier connects respectively, the negative-phase input of operational amplifier and the 3rd resistance, one end of 4th resistance connects respectively, the other end of the 3rd resistance is connected to ground, the negative power end of operational amplifier is connected with negative supply, the other end of the 4th resistance is connected with the output terminal of operational amplifier.
Described photodiode is PIN photodiode, and described operational amplifier is AD8001 operational amplifier.Signal processing circuit converts voltage to the light signal that photodiode detects, light intensity then voltage is high, and the weak then voltage of light is low.Grating is light and dark, and when bright fringe is before photodiode, then output voltage is high; When dark fringe then output LOW voltage before photodiode.The cycle design of grating is that the length L of 4 photodiodes shown on such as Fig. 1 is a little bit smaller just.
Those skilled in the art of the present technique are understandable that, the various operations discussed in the present invention, method, measure, scheme can be replaced, change, combine or delete.Further, there is various operations, other steps in method, measure, the scheme discussed in the present invention also can be replaced, change, reset, decompose, combine or delete.Further, of the prior art have also can be replaced with the step in operation various disclosed in the present invention, method, flow process, measure, scheme, changed, reset, decomposed, combined or deleted.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deductions can also be made or substitute, all should be considered as belonging to protection scope of the present invention.
Claims (5)
1. an Intelligent anti-theft alarm system for household cupboard, is characterized in that, comprises light emitting module, grating, photodiode sensor array module, processor and acousto-optic alarm module, wherein, described photodiode sensor array module comprises several photodiodes and signal processing module, described signal processing module comprises several signal processing circuits be connected one by one respectively with photodiode, and processor comprises timing unit, receiving element, pre-storing unit and comparing unit, described signal processing circuit comprises first to fourth resistance, the first electric capacity, the second electric capacity and operational amplifier, wherein, the positive pole of photodiode and one end of the first resistance, the in-phase input end of operational amplifier connects respectively, the other end of the first resistance is connected to ground, the negative pole of photodiode and one end of the first electric capacity, one end of second electric capacity, one end of second resistance connects respectively, the other end of the first electric capacity, the other end of the second electric capacity is connected to ground respectively, the other end of the second resistance and power supply, the positive power source terminal of operational amplifier connects respectively, the negative-phase input of operational amplifier and the 3rd resistance, one end of 4th resistance connects respectively, the other end of the 3rd resistance is connected to ground, the negative power end of operational amplifier is connected with negative supply, the other end of the 4th resistance is connected with the output terminal of operational amplifier,
Light emitting module, is arranged on cabinet door interior plate, for exporting directional light to grating;
Grating, is arranged in the middle of light emitting module and photodiode; For by directional light after its transmission, output optical signal is to photodiode;
Photodiode, is arranged on the cabinet back side panel relative with cabinet door, exports signal processing module to for receiving optical signals is converted to electric signal;
Signal processing module, exports receiving element, pre-storing unit to after being amplified by the electric signal of reception;
Timing unit, for exporting the first start signal to pre-storing unit within the time period of presetting, exports the second start signal to receiving element after the time period of presetting;
Pretreatment unit, for the storing initial amplification signal when receiving the first start signal;
Receiving element, for when receiving the second start signal, exports the electric signal after the amplification received to comparing unit;
Comparing unit, obtain changing value for the electric signal after amplification and initial amplification signal are compared analysis, when changing value exceedes max-thresholds, output abnormality signal is to sound and light alarm module;
Sound and light alarm module, receives abnormal signal alarm for working as.
2. the Intelligent anti-theft alarm system of a kind of household cupboard according to claim 1, is characterized in that, several photodiodes described are equally spaced lines up photodiode array, and the length that photoelectricity two closes pipe diode array is greater than the cycle of grating.
3. the Intelligent anti-theft alarm system of a kind of household cupboard according to claim 1, it is characterized in that, described light emitting module comprises LED light source and lens.
4. the Intelligent anti-theft alarm system of a kind of household cupboard according to claim 1, is characterized in that, described photodiode is PIN photodiode.
5. the Intelligent anti-theft alarm system of a kind of household cupboard according to claim 1, is characterized in that, described operational amplifier is AD8001 operational amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743359.2A CN105374146A (en) | 2015-11-05 | 2015-11-05 | Household cabinet intelligent antitheft alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743359.2A CN105374146A (en) | 2015-11-05 | 2015-11-05 | Household cabinet intelligent antitheft alarm system |
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| Publication Number | Publication Date |
|---|---|
| CN105374146A true CN105374146A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510743359.2A Pending CN105374146A (en) | 2015-11-05 | 2015-11-05 | Household cabinet intelligent antitheft alarm system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292491A (en) * | 2016-08-24 | 2017-01-04 | 无锡卓信信息科技股份有限公司 | A kind of Intelligent anti-theft alarm system of lorry packaging chest |
| CN106274802A (en) * | 2016-08-24 | 2017-01-04 | 无锡卓信信息科技股份有限公司 | A kind of Intelligent anti-theft alarm system of lorry packaging chest based on stabilized power source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904142Y (en) * | 2005-08-31 | 2007-05-23 | 陈圣俞 | Multifunction raster set anti-theft device |
| CN101042789A (en) * | 2006-03-24 | 2007-09-26 | 玺瑞股份有限公司 | Counter monitoring system and apparatus thereof |
| US20080068163A1 (en) * | 2006-09-12 | 2008-03-20 | Alpha Security Products, Inc. | Theft deterrent device for use with sliding doors |
| CN101488270A (en) * | 2008-01-15 | 2009-07-22 | 蒋磊 | Light beam directly receiving type grating lighting receiving system |
| CN103886702A (en) * | 2014-03-04 | 2014-06-25 | 国家电网公司 | Laser alarm rail |
-
2015
- 2015-11-05 CN CN201510743359.2A patent/CN105374146A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904142Y (en) * | 2005-08-31 | 2007-05-23 | 陈圣俞 | Multifunction raster set anti-theft device |
| CN101042789A (en) * | 2006-03-24 | 2007-09-26 | 玺瑞股份有限公司 | Counter monitoring system and apparatus thereof |
| US20080068163A1 (en) * | 2006-09-12 | 2008-03-20 | Alpha Security Products, Inc. | Theft deterrent device for use with sliding doors |
| CN101488270A (en) * | 2008-01-15 | 2009-07-22 | 蒋磊 | Light beam directly receiving type grating lighting receiving system |
| CN103886702A (en) * | 2014-03-04 | 2014-06-25 | 国家电网公司 | Laser alarm rail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292491A (en) * | 2016-08-24 | 2017-01-04 | 无锡卓信信息科技股份有限公司 | A kind of Intelligent anti-theft alarm system of lorry packaging chest |
| CN106274802A (en) * | 2016-08-24 | 2017-01-04 | 无锡卓信信息科技股份有限公司 | A kind of Intelligent anti-theft alarm system of lorry packaging chest based on stabilized power source |
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Application publication date: 20160302 |
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