CN104200555A - Method and device for finger ring gesture door opening - Google Patents
Method and device for finger ring gesture door opening Download PDFInfo
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- CN104200555A CN104200555A CN201410466559.3A CN201410466559A CN104200555A CN 104200555 A CN104200555 A CN 104200555A CN 201410466559 A CN201410466559 A CN 201410466559A CN 104200555 A CN104200555 A CN 104200555A
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- finger ring
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Abstract
The invention relates to a method and a device for finger ring gesture door opening. A finger ring is used as a key; by virtue of gesture motion detection and Bluetooth communication, a switch of an electric control lock is controlled, and a simple, quick and convenient door opening mode is realized; a sensor in the finger ring sends a motion signal of a finger to a controller; the controller detects a specific gesture signal and transmits a door opening signal to a lock-end singlechip microcomputer through Bluetooth communication; the lock-end singlechip microcomputer controls a relay to be closed after acquiring the door opening signal so as to implement door opening of the electric control lock. The device comprises a finger ring end and an electric control lock end, wherein the finger ring end comprises a sensor module, a controller module and a Bluetooth module; the electric control lock end comprises a Bluetooth module, a singlechip microcomputer module and a relay module. The invention aims at providing the method and the device for finger ring gesture door opening, which are easy to operate, convenient mount and wide in application field, based on a micro chip and the Bluetooth communication.
Description
Technical field
The invention belongs to the application of microchip and bluetooth communication, be specially a kind of contactless dynamic gesture and control the method and apparatus opening the door.
Background technology
Door lock is the necessary article that people live, common door lock assembly is all metal key and lock, in life, people usually need to wear a lot of keys now, particularly some houseparents, storekeeper even go here and there and hang dozens or even hundreds of key, to people's life, bring very large inconvenience, the modern times have also newly occurred that Fingerprint Lock, the IC that utilizes electromagnetic induction principle, ID toll bar are prohibited, infrared remote control gate etc. is opened the door, relies in the recognition of face of dependence imageing sensor.These have played the effect of convenience and high-efficiency in specific occasion, and anti-theft feature has improved, but magnetic card class gate inhibition often can only open the door from one direction, and infrared induction is easily interfered, the rule of a simultaneously traditional lock of a key is not still broken, and to people, does not bring more convenient door-opening mode.
Along with the development of electronic technology in recent years, the particularly development of the technology such as microelectric technique and miniature process chip, small-sized wearable device is also occurred in daily life in a large number, as *** glasses in recent years, waist trimmer, detect the bracelet of physical condition etc., but about the product of finger ring seldom, finger ring is worn over the application controlled by gesture on hand still less, document in the past also has detection and the application of the gesture motion based on acceleration transducer, but they are large, multipair motor message has carried out complicated processing, character recognition that gesture writes or the calculating of multiple motion have been gone, make small product size be difficult to carry too greatly, even need computing machine to flow time domain by complete paired data, the calculating of frequency domain etc. and processing.And the present invention has been emphatically simple computation and the differentiation of basic type of sports, adopt novel more small sensing and control chip simultaneously, the size that makes the size of circuit can accomplish a finger ring, easy to carry and use.
The present invention links together finger ring with opening the door, provide a kind of and take finger ring as key, the door lock assembly opening the door by doing gesture, it is a kind of new door-opening mode, compare with door lock assembly in the past, its application is more convenient, and can control a lock by many finger rings, can be applied in easily the occasions such as the classroom of shop company or school and laboratory, and easy for installation and safe.
Summary of the invention
The present invention a kind ofly be take finger ring as key, take automatically controlled lock as lock end, the method and apparatus opening the door by doing gesture.Realize a kind of simple and fast, easily door-opening mode.
The present invention detects this gesture motion, in conjunction with bluetooth, removes to control the switch of electric control lock, realizes a kind of simple and fast, easily door-opening mode.Finger ring inner sensor passes to controller by the motor message of finger, controller passes to enabling signal of lock end single-chip microcomputer by bluetooth communication after detecting specific hand signal, after lock end single-chip microcomputer obtains enabling signal, pilot relay is closed, completes opening the door of electric control lock; Device specifically comprises finger ring end and electric control lock end; Its finger ring end comprises sensor assembly, controller module and bluetooth module, and its electric control lock end comprises bluetooth module, one-chip computer module and relay module.
The circuit of the sensor assembly of finger ring end of the present invention, controller module and bluetooth module is connected successively; The data that sensor assembly changes for detection of gesture, controller module completes the processing of data, detects specific enabling signal, and bluetooth module is for sending the specific enabling signal detecting.The circuit of the bluetooth module of its electric control lock end, one-chip computer module and relay module is connected successively; Bluetooth module is used for receiving enabling signal, and one-chip computer module, for pilot relay, is opened the dead bolt in electric control lock.
Sensor of the present invention adopts the miniature 3-axis acceleration sensor MMA8452Q of Freescale company, its volume is little, low in energy consumption, the acceleration that three axles detected can be exported with digital signal, simplification is communicated by letter with MCU or microprocessor, and can communicate by letter with in SPI bus interface at I2C.It is worn on hand, the different motion direction of finger, sensor is just exported different signals, and the motor message that sensor detects finger passes to controller; Controller of the present invention adopts the miniature STC15L104E single-chip microcomputer of paster, and controller filters out the signal specific of setting according to corresponding program, and controller passes to by bluetooth communication enabling signal of single-chip microcomputer that lock is held after specific gesture being detected; The new micro low-power consumption bluetooth TC35667FTG that finger ring end of the present invention and electric control lock end bluetooth all adopt Toshiba to release, bluetooth is electrically connected by TXD, the RXD of UART serial communication and controller, make controller there is communication function, the single-chip microcomputer of lock end adopts the common 80C52 single-chip microcomputer of two-sided direct plugging-in, lock end bluetooth also adopts UART serial communication with lock end single-chip microcomputer, can accept the signal that the transmission of finger ring end comes, when lock termination is received after the signal opening the door, lock end Single-chip Controlling relay closes, and then electric control lock opens the door.Finger ring end-cell adopts ultra-thin extra small poly-lithium battery, and lock is 12V direct current for end.
Finger ring of the present invention adopts rubber sleeve to add the form of film circuit board, lock end adopts a kind of lock that can be automatically controlled, there is automatically controlled circuit board electric control lock inside, and the dead bolt end of electric control lock has electromagnet, by wiring board, is controlled electromagnet and then is controlled electric control lock dead bolt and open the door.On finger ring, be provided with a master switch and control whole thin film circuit system, and there is pilot lamp to show the pairing situation of finger ring and lock, the design of the master switch on pilot lamp and finger ring is only just worked finger ring when needs open the door, and has reduced finger ring power consumption, has extended battery life.
Finger ring has completed pairing in advance with the bluetooth module of lock end, and its both sides' communication adopts bluetooth communication.Lock end just can be remembered finger ring like this, when next finger ring near when lock finger ring just can automatic matching with lock, and can only complete pairing with the finger ring of pairing, the matching function of bluetooth has increased the security of finger ring lock, and with common phase-locked ratio, the present invention not only wants finger ring supporting with lock, also will be through Bluetooth pairing, and do and just can open the door to correct gesture, so safe, easy to use.
Accompanying drawing explanation
Fig. 1 is circuit system schematic diagram;
Fig. 2 is the overall diagram of finger ring and lock, Fig. 2-1st wherein, finger ring, Fig. 2-2 electric control lock;
Fig. 3 is system module circuit diagram;
Fig. 4 is trace routine basic flow sheet;
Embodiment
By reference to the accompanying drawings, lower mask body makes further instructions the course of work of the present invention.
Requirement because of finger ring size and power consumption, the present invention adopts low-power consumption and microchip, sensor in finger ring in the present invention adopts 3-axis acceleration sensor MMA8452Q, it is typical novel MEMS sensor, it is low-power consumption, compact capacitance type micromechanical accelerometer, there is signal condition, low-pass filter, temperature compensation, test oneself, configurable by interrupt pin INT1 or INT2 detection 0g, can export in real time high-pass filtering data and non-filtering data, and pulse detection is for functions such as Fast Moving Detections, range can pass through 3 acceleration range of command selection.MMA8452Q adopts small-sized 3mm * 3mm * 1mm QFG encapsulation, meets the requirement of finger ring size.
Controller in finger ring adopts the miniature low power processor of STC15L104E, and it has 8 pins, 6 I/O mouths, and inside carries through the reset circuit that shakes, serial communication, external interrupt, and timer T0, T1 etc.Working voltage 3.8V~2.4V, power-down mode electric current is less than 0.4 microampere, and running current is 4 milliamperes, size 4.8mm * 3.8mm * 1.35mm, SOP-8 encapsulation.
Bluetooth module of the present invention adopts the low power consumption integrated circuit TC35667FTG of the support Bluetooth communication of Toshiba's release, be of a size of 6mm * 6mm * 0.5mm, QFN40 encapsulation, this integrated circuit adopts low consumption circuit design, and an integrated efficient DC-DC converter, peak-current consumption can be down to below 6mA, deep-sleep current drain is down to below 100nA, running current consumption is lower than 6.0mA, can extend the service time of small-sized button cell.Available UART is made an excuse in communication, I2C, and SPI, the modes such as GPIO, accept susceptibility for-91dBm.
Electric control lock end adopts general 80C52 single-chip microcomputer to make controller, by bluetooth and finger ring, carries out exchanges data.Pilot relay break-make after single-chip microcomputer receives the next signal of finger ring transmission, and then control electric control lock and open the door.
It is upper that electric control lock is contained in door, and finger ring is worn on hand, in 10 meters, can connect by automatic matching, does and just can open the door to correct gesture.Bluetooth on finger ring and sensor are connected in respectively on the pin of controller, from controller pin, obtain required voltage.The bluetooth module of the bluetooth module on finger ring and lock end is arranged to the communication format of 8 bit data positions, 1 position of rest, no parity, bluetooth module can with a plurality of Bluetooth pairing, and can adapt to different models and specification, bluetooth module on finger ring has pilot lamp, if finger ring and lock are mixed pilot lamp Chang Liang, and then judge that whether finger ring mix rightly with lock, whether can do gesture and open the door.The effect of switch on finger ring only just works finger ring, usually in off-mode when needs open the door.
In Fig. 3, top is divided into finger ring end modular circuit, acceleration transducer detects gesture and changes the data that produce, by I2C bus SDA, SCL end passes to data the P3.2 of controller, P3.3 pin, controller goes out the signal of specific gesture by analyzing Data Detection, after obtaining specific hand signal, controller produces an enabling signal, by UART serial communication, enabling signal is given to the RXD of bluetooth, TXD port, finger ring end bluetooth passes to lock end bluetooth by signal, lock end bluetooth passes to single-chip microcomputer by UART serial communication again, one-chip computer module receives after signal, by P2.4 pin, export a pulse to relay module, relay closes, and then control electric control lock and open the door.
The hand signal opening the door can independently be set, as drawn a circle, horizontal linear, vertical straight line etc. on vertical plane, and detect by programming, the level of the embodiment program detection of take finger move right as signal specific be example, sensor passes is to single-chip microcomputer three columns groups, and three arrays of program definition receive X, Y, data on Z tri-direction of principal axis, are taken as Char X[]=" ", Char Y[]=" " and Char Z[]=" ", the design of threshold value, it is the data sampling when reducing finger ring and do not move, finger ring is worn on hand finger and does level and move right, with general speed motion X-axis numerical fluctuations, all can be greater than 70, and Y, no matter Z axis velocity magnitude value all can be less than 10, X-axis numerical value deducts Y and Z axis numerical value is all greater than 50, can differentiate for tangential movement, in actual experiment, data sampling per second is 200 times, in 200-300 sub-sampling, also be a nearly second many time fingers doing level always and just move right and can meet testing requirement, thereby controller sends signal, pass through bluetooth, the single-chip microcomputer of locking obtains signal, thereby pilot relay is closed, the electric control lock unlocking action of having switched on.All programs are by software programming and write chip and realize.
The dead bolt of this electric control lock is normally open, when lock end is received after the hand signal of unblanking, and relay closes, dead bolt is regained, and completes the action of unblanking, and meanwhile, is provided with the time expand of 10 seconds, has crossed after 10 seconds, and dead bolt is automatic spring again.
In experiment, the present invention respectively to conventional simple level from left to right, vertically from top to bottom, draw clockwise the modes such as circle and test, in actual application, can select forefinger to be inserted in finger ring, keep after horizontal stable, setting in motion, average tangential movement discrimination is 86.7%, the discrimination of vertical motion is 84.9%, the discrimination of circular motion is 81.2%, can substantially meet the requirement of application, for individual, through repeatedly practice, the discrimination detecting after custom also can improve.
So the present invention is the method and apparatus that a kind of a kind of finger ring gesture simple to operate, easy for installation, that application is wide based on microchip and bluetooth communication is opened the door.
Claims (6)
1. the method and apparatus that finger ring gesture is opened the door, is characterized in that, comprising:
Acceleration transducer in finger ring passes to controller by the motor message of finger;
Controller filters out the signal specific of setting according to corresponding program, controller passes to enabling signal of lock end single-chip microcomputer by bluetooth communication after detecting specific hand signal;
After lock end single-chip microcomputer obtains enabling signal, pilot relay is closed, completes opening the door of electric control lock;
Described device comprises finger ring end and electric control lock end, and its finger ring end comprises sensor assembly, controller module and bluetooth module, and its electric control lock end comprises bluetooth module, one-chip computer module and relay module.
2. the method and apparatus that a kind of finger ring gesture according to claim 1 is opened the door, is characterized in that: the circuit of the sensor assembly of its finger ring end, controller module and bluetooth module is connected successively; The data that sensor assembly changes for detection of gesture, controller module completes the processing of data, detects specific enabling signal, and bluetooth module is for sending the specific enabling signal detecting.
3. the method and apparatus that a kind of finger ring gesture according to claim 1 is opened the door, is characterized in that: the circuit of the bluetooth module of its electric control lock end, one-chip computer module and relay module is connected successively; Bluetooth module is used for receiving enabling signal, and one-chip computer module, for pilot relay, is opened the dead bolt in electric control lock.
4. the method and apparatus that a kind of finger ring gesture according to claim 1 is opened the door, is characterized in that: its gesture can independently be set.
5. the method and apparatus that a kind of finger ring gesture according to claim 1 is opened the door, is characterized in that: its acceleration transducer adopts the microsensor MMA8452Q of Freescale company; Controller in its controller module adopts miniature low-power scm STC15L104E.
6. the method and apparatus that a kind of finger ring gesture according to claim 1 is opened the door, is characterized in that: finger ring has completed pairing in advance with the bluetooth module of lock end, and its both sides' communication adopts bluetooth communication.
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CN201410466559.3A CN104200555A (en) | 2014-09-12 | 2014-09-12 | Method and device for finger ring gesture door opening |
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CN201410466559.3A CN104200555A (en) | 2014-09-12 | 2014-09-12 | Method and device for finger ring gesture door opening |
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Cited By (8)
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US9589403B2 (en) | 2015-05-15 | 2017-03-07 | Honeywell International Inc. | Access control via a mobile device |
CN106846825A (en) * | 2017-04-06 | 2017-06-13 | 四川辉通云联数据科技有限公司 | Earth magnetism wagon detector, earth magnetism vehicle detecting system and method |
US9713002B2 (en) | 2015-05-15 | 2017-07-18 | Honeywell International Inc. | Access control via a mobile device |
CN107195053A (en) * | 2017-06-13 | 2017-09-22 | 歌尔科技有限公司 | The method of noncontact door lock, earphone, the system of door lock and noncontact door lock |
CN107610284A (en) * | 2017-08-23 | 2018-01-19 | 移康智能科技(上海)股份有限公司 | A kind of gesture identification method, device and intelligent peephole |
CN108990021A (en) * | 2017-06-05 | 2018-12-11 | 江苏东大集成电路***工程技术有限公司 | A kind of one-to-many data acquisition device of Internet of Things and its method |
CN109347912A (en) * | 2018-09-11 | 2019-02-15 | 深圳市亿兆互联技术有限公司 | A kind of enabling detection system based on LoRa |
CN110148240A (en) * | 2019-05-21 | 2019-08-20 | 河海大学文天学院 | A kind of SCM Based dormitory gesture anti-theft device and its working method |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107610284A (en) * | 2017-08-23 | 2018-01-19 | 移康智能科技(上海)股份有限公司 | A kind of gesture identification method, device and intelligent peephole |
CN109347912B (en) * | 2018-09-11 | 2021-03-19 | 深圳市亿兆互联技术有限公司 | Door opening detection system based on LoRa |
CN109347912A (en) * | 2018-09-11 | 2019-02-15 | 深圳市亿兆互联技术有限公司 | A kind of enabling detection system based on LoRa |
CN110148240A (en) * | 2019-05-21 | 2019-08-20 | 河海大学文天学院 | A kind of SCM Based dormitory gesture anti-theft device and its working method |
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Application publication date: 20141210 |