CN103824367B - Ultrasonic Intelligent gate inhibition inductor - Google Patents
Ultrasonic Intelligent gate inhibition inductor Download PDFInfo
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- CN103824367B CN103824367B CN201410080656.9A CN201410080656A CN103824367B CN 103824367 B CN103824367 B CN 103824367B CN 201410080656 A CN201410080656 A CN 201410080656A CN 103824367 B CN103824367 B CN 103824367B
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Abstract
The present invention proposes a kind of Ultrasonic Intelligent gate inhibition inductor, for authentication and entrance guard management, comprise as lower part: ultrasonic listening module, MCU module, power module, output module.Compared with prior art, the present invention can detect in advance to human body, and change passive detection is active probe, and result of detection can be fed back to other system in time, provides time guarantee for other system realizes pre-judgement, pre-execution etc.As gate inhibition's voice instruction, the guiding of gate inhibition's pilot lamp etc.With low cost, cost performance is high, and can be widely used in all kinds of passageway gate machine.
Description
Technical field
The present invention relates to authentication and the entrance guard management of public place, particularly a kind of Ultrasonic Intelligent gate inhibition inductor.
Background technology
Authentication and entrance guard management is passed in and out along with increasing field, shop, garden and building etc. use passageway gate machine to carry out personnel, in passageway gate machine, the infrared emission inductor that uses realizes detecting human body passage situation more, thus realizes preventing following, passing through the functions such as counting.Particularly wing lock, the application of pendulum lock are comparatively extensively, and the design of triroller gate due to himself physical construction and the use of limit switch, make it not need can realize counting by other devices and prevent following function.
Infrared emission inductor is made up of transmitting element and receiving element, whether receives by receiving element the existence that infrared light that transmitter unit sends carrys out sense object.If receiving element receives infrared light, then represent that object does not block; If receiving element fails to receive infrared light, then represent that object just blocks, thus trigger alarm, show that someone passes through.Therefore the investigative range of infrared inductor to be only emitter between straight line on, can not realize detecting in advance the arrival of human body.
Infrared emission inductor must mounted in pairs in application process, and need to the direction of inductor, regulate highly accurately when installing, and Installation and Debugging efficiency all cannot ensure, adds human cost.
Infrared emission inductor is due to by the restriction of its principle of work, and along with the growth of service time, optical sender device and comparatively fast circuit aging, the stability of work and validity can significantly decline.
When outdoor sports is applied, infrared emission inductor, under the direct projection or oblique fire of sunlight, because containing infrared light in sunlight simultaneously, can cause wrong report, and rate of false alarm is higher.
Therefore, there is following defect in existing passageway gate machine: can not detect in advance human body, must could detect, can not carry out active probe when human body blocks infrared light; Cost is high, and cost performance is low; Necessary mounted in pairs, Installation and Debugging bother, Installation and Debugging inefficiency; During outdoor sports application, during by sunshine direct projection or oblique fire, easily there is wrong report; Investigative range is extremely limited, belongs to directed passive detection sensor.
In order to overcome above-mentioned defect, being necessary to propose a kind of new gate inhibition's inductor, realizing accurately and efficiently the detection by human body.
Summary of the invention
The present invention, in order to solve the defect of existing passageway gate machine, provides a kind of Ultrasonic Intelligent gate inhibition inductor, for authentication and entrance guard management, it is characterized in that, comprise as lower part: ultrasonic listening module, MCU module, power module, output module; Wherein, ultrasonic listening module, for the instruction according to MCU module, carries out real-time detection, and sound wave send and receive time point foldback level signal to MCU module; MCU module, for according to foldback level signal timing determination sound wave passing time, MCU module calculates according to sound wave passing time the distance that is detected object and carries out logical operation, after MCU module computing completes, control signal is delivered to output module, output module performs corresponding instruction, realizes opening a sluice gate or playing voice; Power module, is made up of integrated power supply module, diode (U2), diode (U3), and the positive pole of U2 connects+12V power supply, and negative pole connects the Single port of A3; The negative pole of U3 connects+12V power supply, and plus earth, connects the Two-port netwerk of A3 simultaneously, the three port output voltages of A3; Output module is made up of relay K 5, resistance R19, resistance R20, triode V5, light emitting diode H5, diode U4.
According to an aspect of the present invention, ultrasonic listening unit is made up of ultrasonic listening module (U8), resistance (R7), resistance (R8), and wherein R7, R8 are current limiting safeguard resistor.
According to an aspect of the present invention, MCU module can adopt the chip microcontroller of STC12C5A08S2 model, electric capacity C2, electric capacity C3, electric capacity C5, resistance R23, resistance R24, resistance R25, electric capacity C7, electric capacity C8, crystal oscillator G1 are its peripheral cell, wherein C5, R24 form rc reset circuit, R23, R25 form voltage detecting reset circuit, C7, C8, G1 form crystal oscillating circuit, for single-chip microcomputer provides clock signal.
The invention allows for a kind of Ultrasonic Intelligent gate inhibition inducing method, for authentication and entrance guard management, it is characterized in that, comprise following steps: the first step, MCU sends probe instructions; Second step, sensor sends sound wave and returns level signal; 3rd step, MCU timing starts, and waits for; 4th step, sensor receives sound wave and returns level signal; 5th step, MCU timing completes, and calculates sound wave passing time t; 6th step, MCU calculates and is detected object distance S1; 7th step, compare S1 and trigger thresholding S2, as S1≤S2, output switching signal, as S1>S2, turns back to the first step.
Compared with prior art, the present invention can detect in advance to human body, and change passive detection is active probe, and result of detection can be fed back to other system in time, provides time guarantee for other system realizes pre-judgement, pre-execution etc.As gate inhibition's voice instruction, the guiding of gate inhibition's pilot lamp etc.With low cost, cost performance is high, and can be widely used in all kinds of passageway gate machine.
Accompanying drawing explanation
In conjunction with accompanying drawing subsequently, above-mentioned and other object of the present invention, feature and advantage apparently can be drawn from detailed description below.In the accompanying drawings:
Fig. 1 shows the schematic diagram of the infrared emission inductor according to the embodiment of the present invention.
Fig. 2 shows the schematic diagram of the ultrasonic sensing device according to the embodiment of the present invention.
Fig. 3 shows the composition frame chart of the Ultrasonic Intelligent gate inhibition inductor according to the embodiment of the present invention.
Fig. 4 shows the workflow diagram of the Ultrasonic Intelligent gate inhibition inductor according to the embodiment of the present invention.
Fig. 5 shows the circuit theory diagrams of the Ultrasonic Intelligent gate inhibition inductor according to the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention adopts ultrasonic sensing device to identify passing through of human body.See accompanying drawing 3, Ultrasonic Intelligent gate inhibition inductor of the present invention comprises following comprising modules: ultrasonic listening module 3-1, MCU3-2, power module 3-4, output module 3-3.
Ultrasonic listening module is according to MCU instruction, carry out real-time detection, and sound wave send and receive time point foldback level signal to MCU, MCU is according to foldback level signal timing determination sound wave passing time, and MCU calculates according to sound wave passing time the distance that is detected object and carries out logical operation.After MCU computing completes, control signal is delivered to output module, output module performs corresponding instruction, as opened a sluice gate, voice etc.
Fig. 4 shows the workflow diagram of the Ultrasonic Intelligent gate inhibition inductor according to the embodiment of the present invention.The method of described Ultrasonic Intelligent gate inhibition induction, for authentication and entrance guard management, comprise following steps: the first step, MCU sends probe instructions; Second step, sensor sends sound wave and returns level signal; 3rd step, MCU timing starts, and waits for; 4th step, sensor receives sound wave and returns level signal; 5th step, MCU timing completes, and calculates sound wave passing time t; 6th step, MCU calculates and is detected object distance S1; 7th step, compares S1 and triggers thresholding S2, and as S1≤S2, output switching signal, switching signal can be triggering voice, control to open a sluice gate, and as S1>S2, turns back to the first step.
See accompanying drawing 5, power module is made up of integrated power supply modules A 3, diode U2, diode U3.The positive pole of U2 connects+12V power supply, and negative pole connects the Single port of A3; The negative pole of U3 connects+12V power supply, and plus earth, connects the Two-port netwerk of A3 simultaneously, the three port output voltages of A3, and power module provides stable voltage to whole system, and wherein diode U3 is for preventing positive and negative reversal connection.Integrated power supply modules A 3 can adopt LM2596S to realize.
MCU is single-chip microcomputer U12, can adopt the chip microcontroller of STC12C5A08S2 model.Electric capacity C2, electric capacity C3, electric capacity C5, resistance R23, resistance R24, resistance R25, electric capacity C7, electric capacity C8, crystal oscillator G1 are its peripheral cell.Wherein C5, R24 form rc reset circuit, and R23, R25 form voltage detecting reset circuit, and C7, C8, G1 form crystal oscillating circuit, for single-chip microcomputer provides clock signal.
38 pin of U12 are connected to the VCC pin of U8 by resistance R4,42 pin of U12 are connected to the TRIG pin of U8 by resistance R7, and 8 pin of U12 are connected to the ECHO pin of U8 by resistance R8.One end of electric capacity C2 and C3 is connected to three ports of A3, and the other end is connected to ground.Three ports of A3 are connected to 38 pin of U12.One end of resistance R23 is connected to three ports of A3, and the other end is connected to 29 pin of U12, and one end of resistance R25 is connected to 29 pin of U12, and the other end is connected to ground.The positive pole of C5 is connected to+5V, and the other end is connected to 4 pin of U12, and one end of resistance R24 is connected to 4 pin of U12, other end ground connection.One end of electric capacity C7 is connected to 14 pin of U12, other end ground connection.One end of electric capacity C8 is connected to 15 pin of U12, other end ground connection.Crystal oscillator G1 is connected between 14 pin of U12 and 15 pin.
Output module is made up of relay K 5, resistance R19, resistance R20, triode V5, light emitting diode H5, diode U4.One end of resistance R19 is connected to 32 pin of U12, and the other end is connected to the positive pole of light emitting diode H5, the minus earth of H5.One end of resistance R20 is connected to 32 pin of U12, and the other end is connected to the base stage of triode V5, the transmitter ground connection of V5, and collector connects the positive pole of diode U4, and the negative pole of U4 is connected to+5V.The collector of one end connecting triode V5 of relay K 5, two end connection+5V.
Ultrasonic listening unit is made up of ultrasonic listening module U8 (model can adopt us100), resistance R7, resistance R8, and R7, R8 are current limiting safeguard resistor.
Single-chip microcomputer U12 sends pulse signal in real time by 42 pin, ultrasonic detector U8 is made to carry out detection range, high level signal is sent to 8 pin of single-chip microcomputer by ECHO pin when ultrasonic detector sends sound wave, single-chip microcomputer timing starts, until low level signal is led to 8 pin sending single-chip microcomputer to when ultrasonic detector receives sound wave, single-chip microcomputer timing completes, computing obtains sound wave passing time t, single-chip microcomputer calculates detecting object distance according to time t, and compare with setting threshold values, judge that effectively, single-chip microcomputer U12 exports high level signal by 32 pin, lightening LED lamp H5, and drive the actuating of relay by triode V5, export normal ON signal, thus provide switching signal for other peripherals.
See Fig. 1 and Fig. 2, be respectively infrared emission inductor and the example of ultrasound wave gate inhibition inductor in triroller gate is applied.
In the embodiment of infrared emission inductor, comprise triroller gate 1-1, triroller gate 1-2, infrared transmitter 1-3, infrared remote receiver 1-4.Principle of induction is: the trigger alarm when the infrared light launched can not be received by the receiver.The distance of induction is the distance between infrared transmitter and infrared remote receiver.
In the embodiment of ultrasound wave gate inhibition inductor, comprise triroller gate 2-1, triroller gate 2-2 and ultrasonic sensing device 2-3.Principle of induction is: ultrasonic sensing device 2-3 calculates the distance of object, triggers distance by control software design patterns.The scope of induction is about ultrasound wave median vertical line 15 degree, adjustable in apart from 15 meters.
When human body enters in induction range, gate inhibition's inductor can obtain human body distance, when human body distance is less than the triggering distance of setting, and gate inhibition's inductor output switching signal, according to actual needs, switching signal can triggering voice, take pictures, LED instruction and triroller gate open a sluice gate.
The invention has the advantages that:
1, can detect in advance human body, change passive detection is active probe, and result of detection can be fed back to other system in time, provides time guarantee for other system realizes pre-judgement, pre-execution etc.As gate inhibition's voice instruction, the guiding of gate inhibition's pilot lamp etc.
2, hyperacoustic transmitting-receiving, sound wave passing time calculate, testee distance calculates, threshold values compares etc. performs by single-chip microcomputer, therefore according to the difference of field condition, can revise corresponding quantitative parameter, thus reach the various environmental demand of adaptation.As, change trigger threshold S2, adjustable distance of reaction.
3, induction range is wide, fan-shaped induction range: air line distance 2cm to 4.5m, covers angle 30 degree as shown in Figure 1.
4, not by the impact of sunshine, possesses high sensitivity simultaneously.
5, inductor is independently installed, and debugs easy
6, with low cost, cost performance is high.Infrared emission inductor cost is about 3 times of ultrasonic sensing device.
7, all kinds of passageway gate machine can be widely used in.
According to a specific embodiment of the present invention, when human body enters in ultrasound weight range, sound wave passing time t=0.01s, t is that ultrasound wave sends and the mistiming received, according to being 340M/S under the aerial transmission speed v(normal temperature of sound wave), Single Chip Microcomputer (SCM) program setting trigger threshold S2=4M, the distance S1=v*t=340*0.01=3.4m of human body distance ultrasonic detector can be calculated thus, S1<S2, therefore can trigger single-chip microcomputer and export control signal.
Illustrate: the aerial transmission speed v of sound wave understands Yin Wendu and changes, and ultrasonic wave module carries temperature measurement function can obtain scene temperature, by formula: v=331.5+0.607T, revises sound wave transmission speed, and temperature T is Celsius temperature.
Because the instructions of patent of invention will disclose fully, therefore, the pin relation in the circuit of above-mentioned revision also needs to provide concrete clear and definite differentiation, and also will have sign in the accompanying drawings.
Although describe embodiment of the present invention and various functional module thereof in a particular embodiment, but be to be understood that, can realize embodiment of the present invention with hardware, software, firmware, middleware or their combination, and embodiment of the present invention can be used in multiple systems, subsystem, assembly or its sub-component.Each embodiment of the present invention can combine mutually with the device in other embodiment, instead of isolated, single embodiment, can mutually merge and form new embodiment or different solutions between all embodiments.Although the present invention have employed different embodiments and solves corresponding technical matters, but, these different embodiments are not isolated for solving single technical matters, can be combined these different embodiments the technical barrier jointly solving and need in mining device to overcome, cooling device in different embodiment and different medium-high voltage frequency converters can be combined mutually, to obtain good cooling performance, so that operating personnel better complete the work in every under mine.
The above; be only patent of the present invention preferably embodiment; but the protection domain of patent of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope of patent diselosesll of the present invention; the change that can expect easily or replacement, within the protection domain that all should be encompassed in patent of the present invention.
In addition, other advantages and amendment can apparently be drawn for the person of ordinary skill of the art.Therefore, the present invention with more extensive areas is not limited to shown and described illustrating and exemplary embodiment here.Therefore, when not departing from the spirit and scope of the general inventive concept defined by claim and equivalents thereof subsequently, various amendment can be made to it.
Claims (3)
1. a Ultrasonic Intelligent gate inhibition inductor, for authentication and entrance guard management, is characterized in that, comprises as lower part:
Ultrasonic listening module, MCU module, power module, output module; Wherein,
Ultrasonic listening module, for the instruction according to MCU module, carries out real-time detection, and sound wave send and receive time point foldback level signal to MCU module;
MCU module, for according to foldback level signal timing determination sound wave passing time, MCU module calculates according to sound wave passing time the distance that is detected object and carries out logical operation, after MCU module computing completes, control signal is delivered to output module, output module performs corresponding instruction, realizes opening a sluice gate or playing voice;
Power module, be made up of integrated power supply module (A3), the first diode (U2), the second diode (U3), the positive pole of the first diode (U2) connects+12V power supply, and the negative pole of the first diode (U2) connects the Single port of integrated power supply module (A3); The negative pole of the second diode (U3) connects+12V power supply, plus earth, connects the Two-port netwerk of integrated power supply module (A3), three port output voltages of integrated power supply module (A3) simultaneously;
Output module is made up of relay (K5), the first resistance (R19), the second resistance (R20), triode (V5), light emitting diode (H5), the 3rd diode (U4); Wherein, one end of the first resistance (R19) is connected to 32 pin of single-chip microcomputer (U12), and the other end is connected to the positive pole of light emitting diode (H5), the minus earth of light emitting diode (H5); One end of second resistance (R20) is connected to 32 pin of single-chip microcomputer (U12), the other end is connected to the base stage of triode (V5), the grounded emitter of triode (V5), collector connects the positive pole of the 3rd diode (U4), and the negative pole of the 3rd diode (U4) is connected to+5V; The collector of one end connecting triode (V5) of relay (K5), two end connection+5V.
2. Ultrasonic Intelligent gate inhibition inductor as claimed in claim 1, is characterized in that:
Ultrasonic listening unit is made up of ultrasonic listening module (U8), the 3rd resistance (R7), the 4th resistance (R8), and wherein the 3rd resistance (R7), the 4th resistance (R8) are current limiting safeguard resistor.
3. Ultrasonic Intelligent gate inhibition inductor as claimed in claim 1, is characterized in that:
MCU module can adopt the single-chip microcomputer (U12) of STC12C5A08S2 model to realize, first electric capacity (C2), second electric capacity (C3), 3rd electric capacity (C5), 3rd resistance (R23), 4th resistance (R24), 5th resistance (R25), 4th electric capacity (C7), 5th electric capacity (C8), crystal oscillator (G1) is its peripheral cell, wherein the 3rd electric capacity (C5), 4th resistance (R24) forms rc reset circuit, 3rd resistance (R23), 5th resistance (R25) forms voltage detecting reset circuit, 4th electric capacity (C7), 5th electric capacity (C8), crystal oscillator (G1) forms crystal oscillating circuit, for single-chip microcomputer (U12) provides clock signal, wherein, one end of the first electric capacity (C2) and the second electric capacity (C3) is connected to three ports of integrated power supply module (A3), and the other end is connected to ground.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018006343A1 (en) * | 2016-07-07 | 2018-01-11 | 深圳企管加企业服务有限公司 | Intelligent entrance guard management method and system based on ultrasonic wave |
| CN111161430A (en) * | 2019-12-25 | 2020-05-15 | 杭州中威电子股份有限公司 | Real-name self-service ticket selling and checking integrated device and method |
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| CA1137615A (en) * | 1979-02-01 | 1982-12-14 | Gregory Lekhtman | Sensor and system for fast teller lines |
| CN2146816Y (en) * | 1992-12-26 | 1993-11-17 | 陈敏生 | Supersonic electronic switching |
| CN2356355Y (en) * | 1998-11-10 | 1999-12-29 | 华中理工大学 | Ultrasonic distance measurer |
| CN202650103U (en) * | 2012-05-24 | 2013-01-02 | 杭州华韵天略电子科技有限公司 | Remote induction access control system |
| CN103527030A (en) * | 2012-07-04 | 2014-01-22 | 现代自动车株式会社 | System and method for operating gate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9201556D0 (en) * | 1992-05-15 | 1992-05-15 | Metallteknik Met O Matic Ab | ENTRY SYSTEM WITH OPEN-SUSTAINABLE SAVING DEVICES FOR STORE LOCATIONS |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1137615A (en) * | 1979-02-01 | 1982-12-14 | Gregory Lekhtman | Sensor and system for fast teller lines |
| CN2146816Y (en) * | 1992-12-26 | 1993-11-17 | 陈敏生 | Supersonic electronic switching |
| CN2356355Y (en) * | 1998-11-10 | 1999-12-29 | 华中理工大学 | Ultrasonic distance measurer |
| CN202650103U (en) * | 2012-05-24 | 2013-01-02 | 杭州华韵天略电子科技有限公司 | Remote induction access control system |
| CN103527030A (en) * | 2012-07-04 | 2014-01-22 | 现代自动车株式会社 | System and method for operating gate |
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