CN107386933B - A kind of family expenses door mirror based on smart mobile phone - Google Patents

A kind of family expenses door mirror based on smart mobile phone Download PDF

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Publication number
CN107386933B
CN107386933B CN201710808468.7A CN201710808468A CN107386933B CN 107386933 B CN107386933 B CN 107386933B CN 201710808468 A CN201710808468 A CN 201710808468A CN 107386933 B CN107386933 B CN 107386933B
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China
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circuit
mobile phone
smart mobile
analog switch
monostable
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CN107386933A (en
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卢美璇
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Individual
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/28Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30Peep-holes; Devices for speaking through; Doors having windows

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

A kind of family expenses door mirror based on smart mobile phone of the present invention includes doorbell circuit unit, opal, smart mobile phone, circuit unit of spreading its tail, control unit of taking pictures and power supply, the photographic film alignment contact opal of smart mobile phone and fixation, smart mobile phone is connected respectively with circuit unit of spreading its tail, control unit of taking pictures, and circuit unit of spreading its tail is connected respectively with control unit of taking pictures, doorbell circuit unit, power supply.The present invention is combined smart mobile phone with peephole, devises new spread its tail circuit and control circuit of taking pictures, and can use the image of the screen viewing of smart mobile phone outdoors, and automatic camera simultaneously preserves the image taken pictures.The old mobile phone used, waste utilization have saved manpower and cost that the old mobile phone needs of processing expend, have been also beneficial to environmental protection.User can conveniently clearly see the image outside peephole on the screen of smart mobile phone.At home nobody when, smart mobile phone energy automatic camera simultaneously records image, consults, does a great deal of good for home safety at any time.

Description

A kind of family expenses door mirror based on smart mobile phone
Technical field
The invention belongs to door monitoring technology fields, are related to a kind of family expenses door mirror based on smart mobile phone, will intelligence Mobile phone is combined with peephole, with the image of the screen viewing of smart mobile phone outdoors, with the photographic system automatic camera of smart mobile phone simultaneously Preserve the image taken pictures.
Background technology
At present, mostly equipped with peephole on the door of resident family, the opal of peephole is formed by two pieces of lens combinations.When we are from door When seeing from inside to outside, object lens are concavees lens, and eyepiece is convex lens.The focal length of object lens is extremely short, it shortens outdoor people or object into one The upright void of very little falls within the first focus of eyepiece, and eyepiece plays a part of magnifying glass, is finally obtaining an amplification just The vertical virtual image.Between a diameter of 12-35 mm of family expenses peephole.Observer, which must lie prone up, to be seen, there is myopia, long sight or presbyopic eye illness People do not see image outdoors.How to allow user that can conveniently clearly see the image outside peephole, and figure can be recorded Picture is consulted at any time, is that consumers in general expect.
The content of the invention
In order to which user can conveniently clearly see the image outside peephole, and automatic camera and the figure taken pictures can be preserved Picture is consulted at any time, and the present invention provides a kind of family expenses door mirror based on smart mobile phone.
A kind of family expenses door mirror based on smart mobile phone of the present invention, including doorbell circuit unit, opal, intelligent hand Machine, circuit unit of spreading its tail, control unit of taking pictures and power supply, the photographic film alignment contact opal of smart mobile phone and fixation, intelligence Mobile phone is connected respectively with circuit unit of spreading its tail, control unit of taking pictures, spread its tail circuit unit and take pictures control unit, doorbell circuit list Member, power supply connect respectively;Power supply is DC4.5V;
The smart mobile phone is old smart mobile phone, to install Android 4.0.3 system above, to close intelligent hand The original program related with screen locking of machine, and to download and be packed into following third party's unlock software and photograph software:(a)It unlocks soft Part:" automatic unlocking " Ver1.0;(b)Photograph software:" camera 360 " Ver8.8.0;After each shutdown of smart mobile phone or charging again It is secondary when turning back on, to be adjusted to photograph interface;
Described circuit unit of spreading its tail is by the adjustable monostable circuit and analog switch K that interconnect1, interconnect the One delay circuit and the first monostable circuit, the rest-set flip-flop of interconnection and analog switch K2Composition;
Doorbell is using a microswitch there are four contact, it is two groups of switches, and doorbell circuit is applied alone one group, the present invention Other circuits be applied alone one group, press the bell button of doorbell circuit unit, door bell rings, while generate enabling signal an X, X The analog switch K that rising edge passes through normal open2To trigger adjustable monostable circuit, the control of signal all the way of adjustable monostable circuit Analog switch K1, K1By the V of the Micro UBS interfaces of 4.5V voltages access smart mobile phone during connectionBUSEnd, to complete intelligence Mobile phone is spread its tail;The another way signal X of adjustable monostable circuit2It is generated by the first delay circuit and the first monostable circuit The pulse signal X to take pictures3, send to control unit of taking pictures, control taking photograph of intelligent mobile phone and preserve the image taken pictures.
The rest-set flip-flop and analog switch K2(403)Composition one prevents from spreading its tail the circuit unit of pulse broadening, by 1/4 analog switch IC2 4066 and 1/2 double D trigger IC44013 composition, using double D trigger the R ends set to 0 and put 1 S End and Q ends form a rest-set flip-flop, rest-set flip-flop outputWith analog switch K2Control terminal connection, rest-set flip-flop Input S is connected with adjustable monostable circuit output Q, the input R of rest-set flip-flop and the output X of the first monostable circuit3Connection, from The forward position of adjustable monostable circuit output Q exports signal X to the first monostable circuit3Forward position, analog switch K2In this period It should disconnect, forbid any signal from bell button, analog switch K2It is disconnected in the above-mentioned time;
Automatically the principle spread its tail:The Micro USB interfaces of smart mobile phone totally 5 lines, are followed successively by VBUS, D-, D+, ID and GND, wherein VBUS, two lines that GND is power supply, charging or while powering to peripheral hardware uses, usual smart mobile phone screen when standby Curtain is to close, and when USB interface insertion data cable charges to smart mobile phone, smart mobile phone screen can be lighted automatically(Point Bright screen is referred to as spread its tail), the present invention utilize smart mobile phone this function, 4.5V pulses are passed through analog switch K1Access intelligence The V of handset portBUSEnd, when pulse arrives, smart mobile phone will be considered that charging starts, and will spread its tail automatically, but smart mobile phone needs Judge that charger charges or UBS data cables charge, before treating that smart mobile phone confirms, pulse signal is allowed to disappear, intelligent hand The program of machine just rests on photograph interface, and the image outside the screen display peephole of smart mobile phone can light screen, and not enter and fill Electric program cleverly realizes smart mobile phone and spreads its tail automatically, and the peak point current of the pulse of 4.5V is several mA, to the electricity of smart mobile phone Pond does not influence;
The control unit of taking pictures is corresponding to have using line traffic control shooting style, bluetooth shooting style or OTG shooting styles Take pictures circuit, bluetooth of line traffic control takes pictures circuit or OTG takes pictures circuit.
Described control unit of taking pictures is taken pictures circuit using line traffic control, wherein:The photograph software of smart mobile phone is volume key It is arranged to camera function;
Line traffic control take pictures circuit circuit by the line traffic control modules A SC202B and analog switch K that interconnect3It forms, simulation is opened Close K3It is made of 1/4 analog switch IC2 4066, line traffic control control circuit of taking pictures is connected to Mike and ground in 4 pole 3.5mm plugs Between, then the earphone jack plug insertion smart mobile phone, as analog switch K3Once photo taking is completed during connection.
Described control unit of taking pictures is taken pictures circuit using bluetooth, wherein:The photograph software of smart mobile phone is volume key Camera function is arranged to, the bluetooth of smart mobile phone is opened;
Bluetooth takes pictures circuit by bluetooth photo module and analog switch K3It forms, analog switch K3It is formed by 1/4 4066, K3 The hand push button for being equivalent to and pressing remote controller module of taking pictures is connected, remote controller module of taking pictures sends wireless remote control signals, controls intelligence The volume of the volume key of energy mobile phone increases or decreases, since volume key is arranged to camera function by smart mobile phone photograph software, in It is to complete once photo taking.
The control unit of taking pictures is using OTG shooting styles, and the OTG is the abbreviation of On To Go, for difference Connection between equipment or mobile equipment, carries out data exchange.
Using OTG shooting styles, the photograph software of the smart mobile phone is set to touch screen and takes pictures, and smart mobile phone is arranged to OTG connections;
Corresponding spread its tail circuit unit and line traffic control are taken pictures different with the circuit unit of spreading its tail of bluetooth shooting style, are added Second delay circuit, the second monostable circuit, driving circuit and small-sized after device circuit.
The circuit unit of spreading its tail is by adjustable monostable circuit and analog switch K1, the first delay circuit and first monostable State circuit, rest-set flip-flop and analog switch K2, second the second monostable circuit of delay circuit, driving circuit and small-sized after device circuit Composition;The adjustable monostable circuit and analog switch K1Output with the second delay circuit connects, the first delay circuit and First monostable circuit and analog switch K2Output, control unit of taking pictures input be connected, rest-set flip-flop and analog switch K2With can The output of monostable circuit, the output of the first monostable circuit, the output terminal of doorbell is adjusted to be connected, the second delay circuit and simulation Switch K2Export, the input of adjustable monostable circuit is connected, the second monostable circuit, driving circuit and it is small-sized after device circuit and Analog switch K2Output be connected;
Adjustable monostable circuit and analog switch K1The input signal of circuit be not from analog switch K2Output X1, But from second from delay circuitEnd, the first delay circuit and the first monostable circuit input signal are not from X2, and It is from analog switch K2Output;
Second delay circuit is by 1/2 IC14098 compositions, use IC14098 empty the other half are delayed as 1s, second The IC of delay circuit14098 9 feet and the IC of adjustable monostable circuit (401)14098 4 feet are connected, adjustable monostable circuit and Second delay circuit shares same module I C14098。
Second monostable circuit, driving circuit and 3V are small-sized after device circuit K4In the second monostable circuit by 1/2 IC5 4098 compositions, trigger signal carry out analog switch K2Output rising edge, exported by Q to driving circuit, time 5s;Described 1/7 integrated chip ULN2003A of driving circuit, it is opposite relation to output and input, and it is small-sized after device electricity can to directly drive 3V Road K4, usually contact is normal open state, and ULN2003A outputs are low level inch, and 3V is small-sized after device circuit K4Coil be powered, contact It disconnects, the conduction time of coil is very short;
Described control unit of taking pictures is taken pictures circuit using OTG, by analog switch K3 IC2 4066 and three key mouse collection It is connected and composed into chip CS8732, analog switch K3 IC2 4066 the 8th foot, the 9th foot and the 1st of mouse integrated chip CS8732 Foot, the connection of the 4th foot, 1,4 feet correspond to the left button of mouse, are equivalent to analog switch K3Instead of the left button of mouse, mouse collection Into the 5th foot of chip CS8732 and the V of smart mobile phoneBUSConnection, the 7th foot D+, the 8th foot D- connect respectively with D+, D- of smart mobile phone It connects;When ID in the Micro USB interfaces of smart mobile phone is grounded, smart mobile phone passes through VBUSIt is carried to mouse integrated chip CS8732 For 5V power supplys, smart mobile phone and mouse integrated chip CS8732 exchange data by D+, D-, and mouse integrated chip CS8732 is provided Data an arrow, the arrow formed similar to mouse on computer screen are shown on smart mobile phone screen.Believed by doorbell Number rising edge start the first delay circuit and the first monostable circuit, form the pulse signal of 0.7S, make analog switch K3It connects When logical, the left button for pressing mouse is equivalent to, that is, arrow touch screen is once, is taken pictures since smart mobile phone has set touch screen, it is just complete Into once photo taking.
A kind of family expenses door mirror application method based on smart mobile phone of the present invention is as follows:
(1)A kind of smart mobile phone of family expenses door mirror based on smart mobile phone of the present invention charges, with the communication used time The charging of smart mobile phone is identical.
(2)The present invention a kind of family expenses door mirror based on smart mobile phone smart mobile phone in order to save the charging time and Number can shut down.When smart mobile phone turns back on again after shutting down or charge every time, photograph interface is adjusted to;
(3)Ring a doorbell button when door bell rings, while start and spread its tail circuit unit, the screen of smart mobile phone is lighted, into photograph Boundary, indoor people can see the image showed outdoors by the screen definition of smart mobile phone, and circuit unit of spreading its tail Pulse signal it is delayed after start and take pictures control unit, smart mobile phone can automatic camera, the picture storing taken pictures is in intelligent hand In the internal storage device of machine, for having access to afterwards, look at that whom has once came to visit, after the completion of taking pictures, photograph program can be automatic Guan Ping, later smart mobile phone are constantly in holding state, and until next time, there is a ring at the door, repeat above procedure.
Advantageous effect:The present invention provides a kind of family expenses door mirrors based on smart mobile phone, can use smart mobile phone The image of screen viewing outdoors, the image taken pictures with the photographic system automatic camera and preservation of smart mobile phone.
The present invention is solved to be lain prone to peephole opal using family user and looked out, and has the people of the eye illnesses such as myopia, long sight, presbyopic It is the image not seen outdoors.Image magnification can clearly be seen in larger distance now with the screen of mobile phone Scene outdoors.The smart mobile phone situation for the record messenger that takes pictures, for consulting at any time, does a great deal of good to home safety.
Smart mobile phone of the present invention can use the old mobile phone that updates, and waste utilization, having saved the old mobile phone of processing will expend Man power and material, meanwhile, be also beneficial to environmental protection.
The present invention proposes the application mode of the communication of smart mobile phone;The present invention has innovated the voltage pulse of smart mobile phone It spreads its tail method, development is spread its tail circuit, and itself and OTG modes are blended;It is all that electric signal drives work(to spread its tail and take pictures, for not manually Contact action smart mobile phone provides a kind of method.
Description of the drawings
Fig. 1 is a kind of Household mobile phone door mirror structure diagram of the present invention.
Fig. 2 is the circuit block diagram of the circuit unit of spreading its tail of the present invention.
Fig. 3 is adjustable monostable circuit and analog switch K in Fig. 21Circuit diagram.
Fig. 4 is the circuit diagram of the first delay circuit and the first monostable circuit in Fig. 2.
Fig. 5 is rest-set flip-flop and analog switch K in Fig. 22The electricity of the circuit unit of the pulse broadening that prevents from spreading its tail of composition Lu Tu.
Fig. 6 is that the adjustable monostable circuit in Fig. 2 exports, the first delay circuit exports, the first monostable circuit exports, RS TriggerHold the oscillogram of output.
Fig. 7 is take pictures with the line traffic control of the present invention CTIA standards, the OMTP standard headphone plugs of the related 4 grades of 3.5mm of circuit Schematic diagram.
The line traffic control that Fig. 8 is the present invention is taken pictures the circuit diagram of control unit.
The bluetooth that Fig. 9 is the present invention is taken pictures the circuit block diagram of control unit.
Figure 10 is the circuit block diagram of OTG shooting styles.
Figure 11 is the circuit diagram of the second delay circuit in Figure 10.
Figure 12 is the second monostable circuits of Figure 10, driving circuit and the small-sized circuit diagram after device circuit.
Figure 13 is the output waveform figure of each several part circuit in Figure 10.
Embodiment 1 is as shown in Figure 1, a kind of family expenses door mirror based on smart mobile phone includes doorbell circuit unit 1, cat Eye 2, smart mobile phone 3, circuit unit 4 of spreading its tail, control unit of taking pictures 5 and power supply 6, the photographic film alignment contact of smart mobile phone 3 Opal 2 is simultaneously fixed, and smart mobile phone 3 is connected respectively with circuit unit 4 of spreading its tail, control unit of taking pictures 5, and circuit unit 4 of spreading its tail is with clapping It is connected respectively according to control unit 5, doorbell circuit unit 1, power supply 6;Power supply 6 is DC4.5V;
The smart mobile phone 3 is old smart mobile phone, to install Android 4.0.3 system above, to close intelligence The original program related with screen locking of mobile phone 3, and to download and be packed into following third party's unlock software and photograph software:(a)Solution Lock software:" automatic unlocking " Ver1.0;(b)Photograph software:" camera 360 " Ver8.8.0;Shutdown or the charging every time of smart mobile phone 3 When turning back on again afterwards, photograph interface is adjusted to;
Fig. 2 is the circuit block diagram of circuit unit 4 of spreading its tail.The circuit unit 4 of spreading its tail is adjustable monostable by what is interconnected State circuit and analog switch K1401st, the first delay circuit interconnected and the first monostable circuit 402, the RS of interconnection Trigger and analog switch K2403 compositions;
Doorbell is using a microswitch there are four contact, it is two groups of switches, and doorbell circuit is applied alone one group, the present invention Other circuits are applied alone one group, press the bell button of doorbell circuit unit 1, door bell rings, while generate enabling signal an X, X The analog switch K that rising edge passes through normal open2To trigger adjustable monostable circuit, the control of signal all the way of adjustable monostable circuit Analog switch K1, K1By the V of the Micro UBS interfaces of 4.5V voltages access smart mobile phone 3 during connectionBUSEnd, to complete intelligence Mobile phone 3 is spread its tail;The another way signal X of adjustable monostable circuit2Pass through the first delay circuit and the first monostable circuit 402 Generate the pulse signal X to take pictures3It send to control unit 5 of taking pictures and takes pictures and preserve the image taken pictures;
Fig. 3 is adjustable monostable circuit and analog switch K1401 circuit diagram.The adjustable monostable circuit and simulation Switch K1401 adjustable monostable circuit integrates monostable circuit IC by 1/2CMOS14098 are formed, analog switch K1By 1/4 collection Into analog switch IC24066 are formed, analog switch K2Output signal X1Rising edge triggers adjustable monostable circuit, R2、C2Structure Into IC14098 power on clear circuit, due to C2On voltage cannot be mutated, IC14098 RDEnd is zero, determines and powers on Output terminal Q is low level afterwards, when TR- is high level, when having rising edge of a pulse on TR+, and adjustable monostable circuit overturning, output End Q is high level, and the time of temporary stable state is by accessing T1、T2Resistance R1+ Rw and capacitance C1 decisions, time T1=0.7(R1+Rw) C1, for potentiometer Rw for adjusting pulse width, pulsewidth can be transferred to 3.6s from 0.14s, to adapt to the needs that different type of machines is spread its tail, The time of setting is arrived, monostable circuit automatic turning stabilizes state, and output Q is low level;When IC is come in pulse24066 13 feet When, 1 foot and 2 feet turn on, analog switch K14.5V voltages and the V of smart mobile phone 3BUSIt connects, ON time and input pulse Identical completing for smart mobile phone 3 is spread its tail;The another way signal X of adjustable monostable circuit2, access the first delay circuit and the The pulse signal X that the generation of one monostable circuit 402 is taken pictures3It send to control unit 5 of taking pictures.
Fig. 4 is the first delay circuit and the circuit diagram of the first monostable circuit 402.First delay circuit and the first monostable Circuit 402 is by a piece of double monostable chip ICs34098 compositions, form two monostable circuits, and monostable circuit is the One delay circuit, a monostable circuit are the first monostable circuit, adjustable monostable circuit output signal X2Access first is prolonged When circuit 1TR+ input terminals, the first delay circuitThe 2TR+ input terminals of the first monostable circuit are connect, are triggered for rising edge, The 2Q ends output of first monostable circuit generates the pulse signal X to take pictures3, pulse signal X3Forward position ratio in K1On signal Afterwards along backwardness, the time is equal to the pulsewidth T of the first delay circuit pulse2(Waveform is shown in Fig. 6), the time T of delay2Depend on R3C3, R3= 1000k Ω, C3During=47 μ F, T2=33s, the output pulse signal X of the first monostable circuit3It is sent for photographing signals to control of taking pictures Unit 5, time T3Depending on R4C4, R4=100k Ω, C4During=10 μ F, T3For 0.7s, 1RD、2RDThe resistance R of connection5, capacitance C5Structure Into clear circuit is powered on, the output terminal Q for ensureing two monostable original states is low level.
Fig. 5 is rest-set flip-flop and analog switch K2The circuit diagram of the circuit unit of the pulse broadening that prevents from spreading its tail of composition.From Adjustable monostable circuit exports signal Q forward positions to the first monostable circuit output signal X3Forward position, should forbid this period Any signal from bell button, if someone continuously rings a doorbell button, analog switch K2It should disconnect, hinder in the above-mentioned time The only input of follow-up signal, otherwise can generate triggering again for adjustable monostable circuit, and broadening is spread its tail the width of pulse, makes mistake of spreading its tail It loses.
Rest-set flip-flop and analog switch K2403 by 1/4 analog switch IC2 4066 and 1/2 double D trigger IC44013 compositions, Using double D trigger the R ends set to 0 and put 1 S ends and Q ends form a rest-set flip-flop, high level is effective, and double D are touched The D ends and CP ends for sending out device do not have to, and are directly grounded, the resistance R of R ends connection6With capacitance C6Trigger nulling circuit when composition powers on, Since the voltage powered on capacitance in a flash cannot be mutated, R ends are high level, and Q ends start as low level, and S terminations are from adjustable list The output terminal Q of steady-state circuit, when Q ends output voltage for it is high usually, trigger overturning is high level;R end signals are single from first The output X of steady-state circuit3, work as X3For high level when, trigger overturning is low level, analog switch K212 foot of control terminal meet RS TriggerEnd, 11 feet of low level period analog switch and 10 feet be disconnect, this period bell button signal X It cannot input.
Automatically the principle spread its tail:The Micro USB interfaces of smart mobile phone 3 totally 5 lines, are followed successively by VBUS, D-, D+, ID and GND, wherein VBUS, two lines that GND is power supply, charging or while powering to peripheral hardware uses, usual smart mobile phone 3 is when standby Screen is to close, and when USB interface insertion data cable charges to smart mobile phone, smart mobile phone screen can be lighted automatically (Screen is lighted referred to as to spread its tail), the present invention utilize smart mobile phone this function, 4.5V pulses are passed through analog switch K1Access The V of 3 interface of smart mobile phoneBUSEnd, when pulse arrives, smart mobile phone 3 will be considered that charging starts, and will spread its tail automatically, but intelligence Mobile phone 3 needs to judge to be that charger charges or UBS data cables charge, and before treating that smart mobile phone 3 confirms, pulse signal is allowed to disappear It loses, the program of smart mobile phone 3 just rests on photograph interface, and the image outside the screen display peephole of smart mobile phone 3 can light screen Curtain, and do not enter charging procedure, it cleverly realizes mobile phone and spreads its tail automatically, the peak point current of the pulse of 4.5V is several mA, to intelligence The battery of energy mobile phone does not influence;
Fig. 6 is adjustable monostable circuit output, the output of the first delay circuit, and the first monostable circuit exports and rest-set flip-flopHold the oscillogram of output.Waveform 1 is the output of adjustable monostable circuit in K1On signal, the time is adjustable, time 0.14s- 3.6s, trigger signal are doorbell signal X1Rising edge;Waveform 2 for the first delay circuit output signal, time T2For 33s, Trigger signal exports for adjustable monostable circuitForward position;Waveform 3 is the signal X of the first monostable circuit output terminal output3, Time is 0.7s, for the control signal taken pictures;Waveform 4 is rest-set flip-flopThe output signal at end is K2On signal, become Low level is to be subject to adjustable monostable circuit output high level triggering, becomes being to be exported to believe by the first monostable circuit during high level Number X3High level triggering.
The line traffic control that Fig. 8 is the present invention is taken pictures the circuit diagram of control unit.The control unit 5 of taking pictures is taken pictures using line traffic control Circuit 501, wherein:
A1. volume key is arranged to camera function by the photograph software of smart mobile phone 3;
A2. line traffic control take pictures circuit 501 circuit by the line traffic control modules A SC202B and analog switch K that interconnect3It forms, Analog switch K3By 1/4 analog switch IC24066 are formed, and the take pictures circuit of circuit 501 of line traffic control is based on Shou machine Zi Pai Defend circuits Improvement, with analog switch K3Instead of the manual key of Shou machine Zi Pai Defend circuits, line traffic control control circuit 501 of taking pictures is connected to 4 poles In 3.5mm plugs between Mike and ground, then the earphone jack plug insertion smart mobile phone 3, as analog switch K3During connection Complete once photo taking.
Its principle is:Usually the earphone jack access of smart mobile phone 3 is earphone and Mike under normal circumstances, Mike be by Mobile phone power supply, string has resistance R in circuit, and mobile phone A D translation circuits can measure voltage on it, when headset is not inserted into, Its value is 0, and when headset accesses, since the internal resistance of Mike is bigger, the voltage on series resistance R is smaller, but is not certainly 0, mobile phone thinks that headset accesses, the Answer Key on headset connect 200 Ω resistance and Mike it is in parallel, when pressing Answer Key When, can regard series resistance R and 200 Ω partial pressures as, series resistance R points voltage is higher, mobile phone is thought into answer mode, volume It is bonded logical.
Circuit 501 is taken pictures shown in Fig. 8 now instead of headset, when line traffic control takes pictures the no access of circuit 501, smart mobile phone 3 think that headset does not access;When line traffic control take pictures circuit 501 access when, its input resistance is about 10-22k Ω, smart mobile phone 3 Think that headset accesses;As analog switch K3During connection, its input resistance is 200 Ω or so, and smart mobile phone 3 is thought to answer bonded It is logical, therefore volume key is connected, volume key is arranged to take pictures by photograph software as previously described, therefore can complete once photo taking.It claps According to image intelligent mobile phone 3 can automatically save, can have access to later.
A3. line traffic control circuit 501 of taking pictures will be connected with 4 pole 3.5mm headphone plugs, and 4 pole 3.5mm headphone plugs have CTIA marks Quasi- formula and OMTP normal formulas, as shown in fig. 7, line traffic control is taken pictures, circuit is connected between microphone and ground, two kinds of standards just on the contrary, That should be used a kind of, the color of the original-pack headset plug of mobile phone can be looked into, by the black of lines or it is white determine, then suitable circuit The earphone jack of smart mobile phone 3 is accessed by 4 pole 3.5mm headphone plugs.
A4. screen is closed:3 photograph software of smart mobile phone can close screen automatically, close to wait after shielding and ring a doorbell next time, spread its tail again simultaneously It takes pictures.
Control unit 5 of taking pictures described in 2 the present embodiment of embodiment is taken pictures circuit 502 using bluetooth, circuit unit 4 of spreading its tail It is same as Example 1.
Described control unit 5 of taking pictures is taken pictures circuit 502 using bluetooth, wherein:
Volume key is arranged to camera function by the photograph software of smart mobile phone 3, and the bluetooth of smart mobile phone 3 is opened;
The bluetooth that Fig. 9 is the present invention is taken pictures the functional block diagram of circuit 502.Bluetooth circuit 502 of taking pictures is taken pictures remote control by bluetooth Module and analog switch K3It forms, analog switch K3By 1/4 IC24066 are formed, K3Connection, which is equivalent to, presses remote controler mould of taking pictures The hand push button of block, remote controller module of taking pictures send wireless remote control signals, control the volume of the volume key of smart mobile phone 3 increase or It reduces, since volume key is arranged to camera function by 3 photograph software of smart mobile phone, then completes once photo taking;The image taken pictures Smart mobile phone 3 can automatically save, and can have access to later.
Guan Ping:3 photograph software of smart mobile phone can close screen automatically, close to wait after shielding and ring a doorbell next time, spread its tail and clap again According to.
A kind of family expenses door mirror based on smart mobile phone of embodiment 3, using OTG shooting styles, the OTG is On The abbreviation of To Go for the connection between distinct device or mobile equipment, carries out data exchange.
Using OTG shooting styles, the smart mobile phone 3 is arranged to OTG connections, and photograph software is set to touch screen and takes pictures;
Figure 10 is the circuit block diagram of OTG shooting styles.Corresponding circuit unit 4 and the two kinds of shooting styles of front of spreading its tail Circuit unit 4 of spreading its tail is different, add the second delay circuit 404, the second monostable circuit, driving circuit and it is small-sized after device electricity Road 405.
As shown in Figure 10, the circuit unit 4 of spreading its tail is by adjustable monostable circuit and analog switch K1401st, first prolongs When circuit and the first monostable circuit 402, rest-set flip-flop and analog switch K2403rd, the second delay circuit 404 and the second monostable It circuit, driving circuit and small-sized is formed after device circuit 405;The adjustable monostable circuit and analog switch K1401 and second The output connection of delay circuit, the first delay circuit and the first monostable circuit 402 and analog switch K2Output, control of taking pictures The input of unit 503 is connected, rest-set flip-flop and analog switch K2403 and output, the first monostable circuit of adjustable monostable circuit Output, the output signal of doorbell be connected, the second delay circuit 404 and analog switch K2Export, adjustable monostable circuit Input is connected, the second monostable circuit, driving circuit and small-sized after device circuit 405 and analog switch K2Output be connected;
Adjustable monostable circuit and analog switch K in Figure 101Circuit 401 with as shown in Figure 3 it is identical, unlike input Signal is not from analog switch K2Output X1, but from second from delay circuitEnd, the first delay circuit and first Monostable circuit 402 show with such as Fig. 4 it is shown identical, unlike input signal be not from X2But from analog switch K2's Output, rest-set flip-flop and analog switch K2403 as shown in figure 5, the circuit 404 of the second delay circuit by 1/2 IC14098 compositions, Use IC14098 empty the other half, are delayed as 1s.
Figure 11 is the circuit diagram of the second delay circuit 404.Second delay circuit 404 is by 1/2 IC14098 compositions, use IC14098 empty the other half are delayed as 1s, the IC of the second delay circuit 404 of Figure 111The 4098 adjustable list of 9 feet and Fig. 3 The IC of steady-state circuit 40114098 4 feet are connected, adjustable monostable circuit shown in Fig. 3 and the second delay circuit shown in Figure 11 For same module I C14098。
Figure 12 is that the second monostable circuit, driving circuit and 3V are small-sized after device circuit K4405 circuit diagram.Second is monostable State circuit, driving circuit and 3V are small-sized after device circuit K4The second monostable circuit in 405 is by 1/2 IC54098 compositions, triggering Signal carrys out analog switch K2Output rising edge, exported by Q to driving circuit, time 5s;The driving circuit is with 1/7 Integrated chip ULN2003A, it is opposite relation to output and input, and it is small-sized after device circuit K can to directly drive 3V4, usually contact For normal open state, ULN2003A outputs are low level inch, and 3V is small-sized after device circuit K4Coil be powered, contact disconnect, coil Conduction time is very short;
As shown in Figure 10, circuit 503 is taken pictures by analog switch K using OTG3 IC24066 and three key mouse integrated chip CS8732 is connected and composed, analog switch K3 The 8th foot of IC24066, the 1st foot of the 9th foot and mouse integrated chip CS8732, the 4th Foot connects, and 1,4 feet correspond to the left button of mouse, are equivalent to analog switch K3Instead of the left button of mouse, mouse integrated chip The 5th foot of CS8732 and the V of smart mobile phone 3BUSConnection, the 7th foot D+, the 8th foot D-Respectively with the D of smart mobile phone 3+、D-Connection;Intelligence When ID in the Micro USB interfaces of energy mobile phone 3 is grounded, smart mobile phone 3 passes through VBUS5V is provided to mouse integrated chip CS8732 Power supply, smart mobile phone 3 and mouse integrated chip CS8732 pass through D+、D-Data are exchanged, what mouse integrated chip CS8732 was provided Data show an arrow, the arrow formed similar to mouse on computer screen on 3 screen of smart mobile phone.By doorbell signal Rising edge start the first delay circuit and the first monostable circuit, form the pulse signal of 0.7S, make analog switch K3It connects When, the left button for pressing mouse is equivalent to, that is, arrow touch screen is once, smart mobile phone 3 has set touch screen and taken pictures, and just completes once It takes pictures;The image intelligent mobile phone 3 taken pictures can automatically save, and can have access to later.
Guan Ping:3 photograph software of smart mobile phone can close screen automatically, close to wait after shielding and ring a doorbell next time, spread its tail and clap again According to.
The output waveform of each several part is as shown in figure 13 in Figure 10 circuits, and waveform 1 is the output of monostable circuit 2, i.e. K4On Signal, doorbell signal rising edge triggering, time 5s, be relay coil be powered time.Waveform 2 is the second delay electricity Road exports signal, and time 1s is triggered by doorbell signal rising edge, for signal delay of spreading its tail, avoids VBUSUpper output voltage and defeated Enter voltage contention.Waveform 3 is the output of adjustable monostable circuit, this signal is K1On signal, signal of as spreading its tail, by second Delay circuitTriggering, time 0.14s-3.64s.Waveform 4 be the first delay circuit output, time 33s, by doorbell The rising edge triggering of signal.Waveform 5 is the output of the first monostable circuit, and time 0.7s, this signal is K3On signal, be It takes pictures control signal.Waveform 6 is rest-set flip-flopOutput, be K2On signal, during adjustable monostable circuit output high level, Export as low level, the output of the first monostable circuit for high level when,It exports as high level,When signal is low level, doorbell Signal disconnects.

Claims (4)

1. a kind of family expenses door mirror based on smart mobile phone, which is characterized in that including doorbell circuit unit(1), opal(2)、 Smart mobile phone(3), circuit unit of spreading its tail(4), control unit of taking pictures(5)And power supply(6), smart mobile phone(3)Photographic film pair Quasi- contact opal(2)And fixed, smart mobile phone(3)With circuit unit of spreading its tail(4), control unit of taking pictures(5)It connects, spreads its tail respectively Circuit unit(4)With control unit of taking pictures(5), doorbell circuit unit(1), power supply(6)It connects respectively;Power supply(6)It is DC4.5V;
The smart mobile phone(3)It is old smart mobile phone, Android 4.0.3 system above is installed, to close smart mobile phone (3)Original program related with screen locking, and to download and be packed into following third party's unlock software and photograph software:(a)Unlock Software:" automatic unlocking " Ver1.0;(b)Photograph software:" camera 360 " Ver8.8.0;Smart mobile phone(3)Shutdown or charging every time When turning back on again afterwards, photograph interface is adjusted to;
The circuit unit of spreading its tail(4)By the adjustable monostable circuit and analog switch K interconnected1(401), interconnect The first delay circuit and the first monostable circuit(402), interconnect rest-set flip-flop and analog switch K2(403)Composition; Press doorbell circuit unit(1)Bell button, door bell rings, while generate enabling signal an X, X and pass through the simulation that has turned on Switch K2To trigger adjustable monostable circuit, the control analog switch of the signal all the way K of adjustable monostable circuit1, K1It will during connection 4.5V voltages access smart mobile phone(3)Micro UBS interfaces VBUSEnd, to complete smart mobile phone(3)Spread its tail;It is adjustable The another way signal X of monostable circuit2Pass through the first delay circuit and the first monostable circuit(402)Generate the pulse taken pictures Signal X3It send to control unit of taking pictures(5), control smart mobile phone(3)It takes pictures and preserves the image taken pictures;
The rest-set flip-flop and analog switch K2(403)Composition one prevents from spreading its tail the circuit unit of pulse broadening, by 1/4 mould Intend switch IC2 4066 and 1/2 double D trigger IC44013 composition, using double D trigger the R ends set to 0 and put 1 S ends and Q ends form a rest-set flip-flop, rest-set flip-flop outputWith analog switch K2Control terminal connection, the input S of rest-set flip-flop and can Adjust monostable circuit output Q connections, the input R of rest-set flip-flop and the output X of the first monostable circuit3Connection, from adjustable monostable The forward position of state circuit output Q exports signal X to the first monostable circuit3Forward position, rest-set flip-flop Q this period ends open simulation Close K2It disconnects, forbids any signal from bell button;
The control unit of taking pictures(5)It is taken pictures circuit using line traffic control(501), wherein:Smart mobile phone(3)Photograph software Volume key is arranged to camera function;
Line traffic control is taken pictures circuit(501)Circuit by the line traffic control modules A SC202B and analog switch K that interconnect3It forms, simulation is opened Close K3By 1/4 analog switch IC24066 are formed, and line traffic control is taken pictures circuit(501)It is connected to Mike and the ground of 4 pole 3.5mm plugs Between, then plug insertion smart mobile phone(3)Earphone jack, as analog switch K3Once photo taking is completed during connection.
A kind of 2. family expenses door mirror based on smart mobile phone as described in claim 1, which is characterized in that the control of taking pictures Unit processed(5)It takes pictures circuit (501) without line traffic control, is taken pictures circuit using bluetooth(502), wherein:Smart mobile phone(3)Photograph it is soft Volume key is arranged to camera function, smart mobile phone by part(3)Bluetooth open;
Bluetooth is taken pictures circuit(502)By bluetooth photo module and analog switch K3It forms, analog switch K3By 1/4 analog switch IC2 4066 are formed, K3The hand push button for being equivalent to and pressing remote controller module of taking pictures is connected, remote controller module of taking pictures sends wireless remote control Signal controls smart mobile phone(3)The volume of volume key increase or decrease, due to smart mobile phone(3)Software take a picture volume key Camera function is arranged to, then completes once photo taking.
A kind of 3. family expenses door mirror based on smart mobile phone as described in claim 1, which is characterized in that the control of taking pictures Unit processed(5)It takes pictures circuit (501) without line traffic control, using OTG shooting styles;The smart mobile phone(3)Photograph software set It takes pictures for touch screen, smart mobile phone(3)Be arranged to OTG connections;
The circuit unit of spreading its tail(4)By adjustable monostable circuit and analog switch K1(401), the first delay circuit and first Monostable circuit(402), rest-set flip-flop and analog switch K2(403), the second delay circuit(404)With the second monostable circuit, Driving circuit and small-sized after device circuit(405)Composition;The adjustable monostable circuit and analog switch K1(401)Prolong with second When circuit output connection, the first delay circuit and the first monostable circuit(402)With analog switch K2Output, control of taking pictures Unit(503)Input is connected, rest-set flip-flop and analog switch K2(403)Output, the first monostable with adjustable monostable circuit The output of circuit, the output of doorbell are connected, the second delay circuit(404)With analog switch K2Export, adjustable monostable electricity Road input is connected, the second monostable circuit, driving circuit and small-sized after device circuit(405)With analog switch K2Output be connected It connects;
The adjustable monostable circuit and analog switch K that the OTG takes pictures1Circuit(401)Input signal be from second from Delay circuitEnd, the first delay circuit and the first monostable circuit(402)Input signal be from analog switch K2It is defeated Go out;
Second delay circuit(404)By 1/2 IC14098 compositions, use IC14098 empty the other half are delayed as 1s, The second delay circuit(404)IC14098 9 feet and the IC of adjustable monostable circuit (401)14098 4 feet are connected, adjustable Monostable circuit and the second delay circuit are same module I C14098;
Second monostable circuit, driving circuit and 3V are small-sized after device circuit K4(405)In the second monostable circuit by 1/ 2 IC54098 compositions, trigger signal come from analog switch K2Output rising edge, exported by Q to driving circuit, the time is 5s;1/7 integrated chip ULN2003A of the driving circuit, it is opposite relation to output and input, and can directly drive 3V It is small-sized after device circuit K4, usually contact is normal open state, and ULN2003A outputs are low level inch, and 3V is small-sized after device circuit K4Line Circle is powered, and contact disconnects, and the conduction time of coil is very short;
The control unit of taking pictures(5)It is taken pictures circuit using OTG(503), by analog switch K3 IC2 4066 and three key mouse Integrated chip CS8732 is connected and composed, analog switch K3 IC2 4066 the 8th foot, the 9th foot are with mouse integrated chip CS8732's 1st foot, the connection of the 4th foot, 1,4 feet correspond to the left button of mouse, are equivalent to analog switch K3Instead of the left button of mouse, mouse The 5th foot and smart mobile phone of integrated chip CS8732(3)VBUSConnection, the 7th foot D+, the 8th foot D- respectively with smart mobile phone(3) D+, D- connection;Smart mobile phone(3)Micro USB interfaces in ID ground connection when, smart mobile phone(3)Pass through VBUSTo mouse collection 5V power supplys, smart mobile phone are provided into chip CS8732(3)Data, mouse are exchanged by D+, D- with mouse integrated chip CS8732 The data that integrated chip CS8732 is provided are in smart mobile phone(3)An arrow is shown on screen, similar to mouse in computer screen The arrow of upper formation starts the first delay circuit and the first monostable circuit by the rising edge of doorbell signal, forms the arteries and veins of 0.7S Signal is rushed, makes analog switch K3Once photo taking is completed during connection.
4. a kind of family expenses door mirror based on smart mobile phone as described in claim 1,2 or 3, which is characterized in that described Adjustable monostable circuit and analog switch K1(401)Adjustable monostable circuit monostable circuit IC is integrated by 1/2CMOS1 4098 It forms, analog switch K1By 1/4 integrated analog switch IC24066 are formed, analog switch K2Output signal X1Rising edge triggers Adjustable monostable circuit, R2、C2Form IC14098 power on clear circuit, due to C2On voltage cannot be mutated, IC1 4098 RDEnd is zero, determines output terminal Q as low level, adjustable monostable when having rising edge of a pulse on TR+ when TR- is high level State circuit is overturn, and output terminal Q is high level, and the time of temporary stable state is by accessing T1、T2Resistance R1+ Rw and capacitance C1 decisions, when Between T1=0.7(R1+Rw)C1, potentiometer Rw be used for adjust pulse width, to adapt to the needs that different type of machines is spread its tail, arrived setting Time, monostable circuit automatic turning stabilize state, and output Q is low level;When IC is come in pulse2During 4066 13 foot, 1 foot and 2 feet Conducting, analog switch K14.5V voltages and smart mobile phone(3)VBUSIt connects, ON time is identical with input pulse, at this time Smart mobile phone(3)It completes and spreads its tail;The another way signal X of adjustable monostable circuit2, it is monostable through the first delay circuit and first State circuit(402)Generate the pulse signal X to take pictures3It send to control unit of taking pictures(5);
First delay circuit and the first monostable circuit(402)It is by a piece of double monostable chip ICs34098 compositions, structure Into two monostable circuits, a monostable circuit is the first delay circuit, and a monostable circuit is the first monostable circuit, Adjustable monostable circuit output signal X2The 1TR+ input terminals of the first delay circuit are accessed, the first delay circuitIt is single to connect first The 2TR+ input terminals of steady-state circuit trigger for rising edge, and the 2Q ends output of the first monostable circuit generates the pulse letter taken pictures Number X3, pulse signal X3Forward position ratio in K1On signal trailing edge fall behind, the time be equal to the first delay circuit pulse pulsewidth T2, The time T of delay2Depend on R3C3, R3=1000k Ω, C3During=47 μ F, T2=33s, the output pulse signal X of the first monostable circuit3 It is sent for photographing signals to control unit of taking pictures(5), time T3Depending on R4C4, R4=100k Ω, C4During=10 μ F, T3For 0.7s, 1RD、2RDThe resistance R of connection5, capacitance C5Composition powers on clear circuit, and the output terminal Q for ensureing two monostable original states is low Level;
The rest-set flip-flop and analog switch K2(403)The circuit of the circuit unit of the pulse broadening that prevents from spreading its tail of composition, from can Monostable circuit is adjusted to export signal Q forward positions to the first monostable circuit output signal X3Forward position, forbid this period from door Any signal of bell button, analog switch K2It is disconnected in the above-mentioned time, prevents the input of follow-up signal;Rest-set flip-flop and mould Intend switch K2By 1/4 analog switch IC2 4066 and 1/2 double D trigger IC44013 compositions, utilize the R set to 0 of double D trigger The S ends and Q ends for holding and putting 1 form a rest-set flip-flop, and high level is effective, and the D ends and CP ends of double D trigger do not have to, directly Ground connection, the resistance R of R ends connection6With capacitance C6Trigger nulling circuit when composition powers on, due to powering on the electricity on capacitance in a flash Pressure cannot be mutated, and R ends are high level, and Q ends start as low level, and S terminates the output terminal Q from adjustable monostable circuit, when Q ends are defeated Go out voltage for high level when, trigger overturning is high level;Output X of the R end signals from the first monostable circuit3, work as X3For height During level, trigger is overturn as low level, analog switch K212 foot of control terminal connect rest-set flip-flopEnd, in the low level period 11 feet and 10 feet of analog switch are to disconnect, and this period, the signal X of bell button cannot be inputted.
CN201710808468.7A 2017-09-09 2017-09-09 A kind of family expenses door mirror based on smart mobile phone Expired - Fee Related CN107386933B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104702916A (en) * 2015-03-24 2015-06-10 安徽清新互联信息科技有限公司 Intelligent video monitoring system based on smart phone
CN204646034U (en) * 2015-05-27 2015-09-16 陈修志 A kind of can mobile phone remote monitor electronic peephole viewer
CN205142398U (en) * 2015-07-10 2016-04-06 陈修志 A device for control
CN106303419A (en) * 2016-08-15 2017-01-04 福建星网智慧科技股份有限公司 A kind of video frequency monitoring method towards wired home
CN106600874A (en) * 2015-10-20 2017-04-26 中兴通讯股份有限公司 Home security method, system and device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104702916A (en) * 2015-03-24 2015-06-10 安徽清新互联信息科技有限公司 Intelligent video monitoring system based on smart phone
CN204646034U (en) * 2015-05-27 2015-09-16 陈修志 A kind of can mobile phone remote monitor electronic peephole viewer
CN205142398U (en) * 2015-07-10 2016-04-06 陈修志 A device for control
CN106600874A (en) * 2015-10-20 2017-04-26 中兴通讯股份有限公司 Home security method, system and device
CN106303419A (en) * 2016-08-15 2017-01-04 福建星网智慧科技股份有限公司 A kind of video frequency monitoring method towards wired home

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