CN103942857A - Electronic lock with light sensing function - Google Patents
Electronic lock with light sensing function Download PDFInfo
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- CN103942857A CN103942857A CN201310029575.1A CN201310029575A CN103942857A CN 103942857 A CN103942857 A CN 103942857A CN 201310029575 A CN201310029575 A CN 201310029575A CN 103942857 A CN103942857 A CN 103942857A
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Abstract
The invention discloses an electronic lock with light sensing function. The electronic lock comprises a power supply, a control module, a lock body, one or a plurality of light emitting modules and one or a plurality of light receiving modules, wherein the light receiving modules do not directly receive light emitted by the light emitting modules; the light receiving modules and the light emitting modules are positioned on the same side; the control module actively controls the light emitting modules to emit light with different intensities; the emitting intensities of the light emitting modules are different; the light emitting modules and the light receiving modules detect a distance between a door and a door frame; and the light is modulated. The electronic lock is arranged on the door and is also provided with an alarming device connected with the control module.
Description
Technical field
Patent of the present invention relates to electronic lock, especially the electronic lock with light sensing.
Background technology
Current technology, the infrared transmission module on electronic lock and infrared receiving module be not in the same side, and two modules all need power supply, connect up, and are installing comparatively complicated inconvenience.
The patent of invention of application number 201210182931.9: the chargeable photon door lock of a kind of infrared-sensing type, the infrared inductor in this patent does not comprise transmitter module and receiver module, and infrared inductor is surveyed the infrared spectrum of human body.
The utility model patent of application number 200720183465.0: infrared induction alarm lock; The utility model patent of application number 201220141291.2: electromagnetic infrared wave anti-theft wheel shaft lock; The utility model patent of application number: 02217656.X: Far-infrared digital safety lock; Infrared transmission module in these patents is directly launched infrared ray to infrared receiving module, is not indirectly, is not by being received by infrared remote receiver after other object transmittings.
For addressing the above problem, the object of patent of the present invention is to provide a kind of property easy for installation that can improve infrared module, does not need infrared receiving module to be arranged on the opposite side of infrared transmission module, and infrared receiving module and infrared transmission module are in the same side.Further can use infrared transmission module and infrared receiving module identification whether to have abnormal object to attempt the illegals such as indentation dead bolt, picking lock, the security that has greatly improved electronic lock.
The technical scheme of patent of the present invention is:
Below provide brief overview of the present invention and the basic comprehension of some aspect of the present invention is provided.This general introduction is not exhaustive overview of the present invention.It is not intended to represent key, decisive key element of the present invention or delineates scope of the present invention.Its sole purpose is to provide some concept of the present invention as to the preorder in greater detail providing after a while using simplified form.
With the electronic lock of light sensing, comprise power supply, control module, lock body, light emission module, Optical Receivers.
The lock that electronic lock refers to use battery or uses power supply, as electronic access lock, electromechanical locks, electromagnetic lock, automotive lock, electric vehicle lock, berth lock etc.Power supply comprises battery, direct supply, AC power etc.Light emission module refers to the module with infrared emission electronic devices and components (or ultraviolet ray transmitting components and parts or VISIBLE LIGHT EMISSION components and parts).Optical Receivers refers to the module with infrared reception electronic devices and components (or ultraviolet ray receives components and parts or visible ray receives components and parts).Control module refers to have the electronic integration block of function of the MCU, or has the electronic devices and components of calculation function.
Described light emission module and Optical Receivers are in the same side.Optical Receivers indirectly receives the light of light emission module transmitting, and the light of light emission module transmitting arrives first other objects, and other objects reflect light to Optical Receivers again.
The light of described control module ACTIVE CONTROL light emission module transmitting varying strength, controls size of current or the voltage height of light emission module and realizes different emissive porwers.
Described light emission module, Optical Receivers are one or more, and the emissive porwer between multiple light emission modules is different.In order further to improve security, reliability can be arranged many group light emission modules and Optical Receivers, the emissive porwer between every group can be identical also can be different each other.
Described light emission module with Optical Receivers can be together with lock body.Also can separate, but have electrical connection or radio interactive signal with the control module of lock.
The emissive porwer of described light emission module is what change.Launch different intensity along with time variation.
Distance between described control module, light emission module, Optical Receivers detecting gate and doorframe.
The light that described light emission module sends is through ovennodulation.Can be divided into analog-modulated and Digital Modulation by the form of modulation.Modulate and be called analog-modulated by simulating signal; Be called Digital Modulation with data or digital signal modulated.Can be divided into pulsed modulation, sine wave modulation and intensity modulated (as to incoherent light modulation) etc. by the kind of transferred signal.The carrier wave of modulation is respectively pulse, sine wave and light wave etc.Sine wave modulation has amplitude modulation(PAM), frequency modulation (PFM) and three kinds of basic modes of phase-modulation, and both are collectively referred to as angular modulation afterwards.In addition also has the modulation of some variations, as AM single-side-band, vestigial sideband amplitudemodulation etc.Pulsed modulation also can be by similar classification.In addition also have complex modulated and Multiple Modulation etc.Different modulation systems has different characteristic and performances.Be written into signal specific, after control module comparison is received light with Optical Receivers, whether demodulation signal is out consistent.To prevent that malice from being used light-emitting device to imitate and cracking.
Described electronic lock is installed on door.
Described electronic lock also comprises control module, and described light emission module, Optical Receivers, control module detects that while illegally unblanking, control module is sent instruction, alarm module startup work.Alarm module refers to the module with warning functions such as acousto-optic-electrics, is one or more the combination in acousto-optic-electric.
The beneficial effect of patent of the present invention can make Optical Receivers and light emission module in the same side, easy for installation.Can further detect the illegal unlocking action such as illegal picking lock, further improve the security of lock.
Address related objective for before realizing, contact description and accompanying drawing herein and described some embodiment.But these aspects only represent wherein can to adopt a few in the variety of way of the principle of the invention, and theme of the present invention is intended to comprise all these aspects and equivalents thereof.According to the detailed description of considering below in conjunction with accompanying drawing, advantage of the present invention and novel features are apparent.
Brief description of the drawings
Accompanying drawing 1 is the electronic lock schematic diagram with infrared sensing.
Embodiment
With reference to the accompanying drawings 1, patent of the present invention is carried out detailed narration.
Electronic lock 1 with infrared sensing, comprises power supply, single-chip microcomputer, alarm module, lock body, infrared transmission module 101, infrared receiving module 102.
Infrared transmission module 101 and infrared receiving module 102 are in the same side.Infrared receiving module 101 does not directly receive the infrared ray of infrared transmission module 102, infrared transmission module 101 sends infrared ray, be transmitted into other objects, as doorframe 104 or the illegal picklock inserting, infrared ray reflexes to infrared receiving module 102 through doorframe 104.Electronic lock 1 with infrared sensing is installed on door 103.
Distance between control module, infrared transmission module 101, infrared receiving module 102 detecting gates 103 and doorframe 104, mainly by mode as described below.
Control module ACTIVE CONTROL infrared transmission module 101 is launched the infrared ray of varying strength.The emissive porwer of infrared transmission module 101 is what change.By the different current drives infrared transmission module 101 of control module control.Be divided into 20%, 40%, 60%, 80%, more than 100% rated power circulation transmitting, normal condition is when infrared transmission module 101 is in the time that certain more than performance number is launched, as more than 40%, infrared receiving module 102 receives the infrared ray of doorframe reflection.If this transmission power level departs from, as become more than 20% or more than 60%, and electronic lock 1 is or not the time of normal unlocking condition, and there are abnormal conditions in control module judgement, perhaps have other objects to insert between door 103 and doorframe 104, control module sends instructions and reports to the police to alarm module.
The infrared light that infrared transmission module 101 sends is through ovennodulation, has been written into signal specific, and after control module comparison is received infrared ray with infrared receiving module, whether demodulation signal is out consistent.To prevent that malice from being used infrared transmitting set to imitate and cracking.
Above-describedly comprise example of the present invention.Certainly each combination that can contemplate that will describe composing method for describing object of the present invention is impossible, but those of ordinary skill in the art can recognize that many further combinations and displacement are possible, therefore the present invention is intended to contain this class change, amendment and distortion all in the spirit and scope that drop on claims.
Claims (9)
1. the electronic lock with light sensing, comprises power supply, control module, lock body, light emission module, Optical Receivers, it is characterized in that, Optical Receivers does not directly receive the light that light emission module is launched.
2. the electronic lock with light sensing according to claim 1, is characterized in that, described Optical Receivers and light emission module are in the same side.
3. the electronic lock with light sensing according to claim 1, is characterized in that, the light of described control module ACTIVE CONTROL light emission module transmitting varying strength.
4. the electronic lock with light sensing according to claim 1, is characterized in that, described light emission module, Optical Receivers are one or more, and the emissive porwer between multiple light emission modules is different.
5. the electronic lock with light sensing according to claim 1, is characterized in that, the emissive porwer of described light emission module is what change.
6. the electronic lock with light sensing according to claim 1 or 5, is characterized in that the distance between described light emission module, Optical Receivers detecting gate and doorframe.
7. the electronic lock with light sensing according to claim 1, is characterized in that, the light that described light emission module sends is through ovennodulation.
8. the electronic lock with light sensing according to claim 1, is characterized in that, described electronic lock is installed on door.
9. the electronic lock with light sensing according to claim 1, is characterized in that, described electronic lock, also with alarm module, is connected with control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029575.1A CN103942857A (en) | 2013-01-23 | 2013-01-23 | Electronic lock with light sensing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310029575.1A CN103942857A (en) | 2013-01-23 | 2013-01-23 | Electronic lock with light sensing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103942857A true CN103942857A (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310029575.1A Pending CN103942857A (en) | 2013-01-23 | 2013-01-23 | Electronic lock with light sensing function |
Country Status (1)
| Country | Link |
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| CN (1) | CN103942857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017341A (en) * | 2020-07-17 | 2020-12-01 | 北京大学 | Thing networking access control system based on contrary reflective visible light communication |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107717A (en) * | 1985-11-13 | 1987-05-27 | 西泽润一 | The anchor clamps of band semiconductor illuminator |
| CN2479150Y (en) * | 2001-05-28 | 2002-02-27 | 林江 | Electronic laser lock |
| CN1504626A (en) * | 2002-12-03 | 2004-06-16 | 笙泉科技股份有限公司 | Optical door lock safety identification device |
| CN2668771Y (en) * | 2003-09-03 | 2005-01-05 | 陈金英 | Light-colour identifying lock |
| CN100999961A (en) * | 2006-01-14 | 2007-07-18 | 姜仁忠 | New Sci & Tech. cipher lock and design method of key thereof |
| CN201209346Y (en) * | 2008-06-17 | 2009-03-18 | 段小虎 | Double pick-proof monitoring alarm unit for door lock |
| CN102222378A (en) * | 2011-06-23 | 2011-10-19 | 高椿明 | Modulated reflecting type optical access control system |
| CN203038348U (en) * | 2013-01-23 | 2013-07-03 | 章玺 | Electronic lock with light sensing function |
-
2013
- 2013-01-23 CN CN201310029575.1A patent/CN103942857A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86107717A (en) * | 1985-11-13 | 1987-05-27 | 西泽润一 | The anchor clamps of band semiconductor illuminator |
| CN2479150Y (en) * | 2001-05-28 | 2002-02-27 | 林江 | Electronic laser lock |
| CN1504626A (en) * | 2002-12-03 | 2004-06-16 | 笙泉科技股份有限公司 | Optical door lock safety identification device |
| CN2668771Y (en) * | 2003-09-03 | 2005-01-05 | 陈金英 | Light-colour identifying lock |
| CN100999961A (en) * | 2006-01-14 | 2007-07-18 | 姜仁忠 | New Sci & Tech. cipher lock and design method of key thereof |
| CN201209346Y (en) * | 2008-06-17 | 2009-03-18 | 段小虎 | Double pick-proof monitoring alarm unit for door lock |
| CN102222378A (en) * | 2011-06-23 | 2011-10-19 | 高椿明 | Modulated reflecting type optical access control system |
| CN203038348U (en) * | 2013-01-23 | 2013-07-03 | 章玺 | Electronic lock with light sensing function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017341A (en) * | 2020-07-17 | 2020-12-01 | 北京大学 | Thing networking access control system based on contrary reflective visible light communication |
| CN112017341B (en) * | 2020-07-17 | 2021-08-17 | 北京大学 | Thing networking access control system based on contrary reflective visible light communication |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140723 |
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| RJ01 | Rejection of invention patent application after publication |