CN2174745Y - Remote-control door bell - Google Patents

Abstract

The utility model relates to a remote control doorbell which is composed of a remote controller, a doorbell main body and a press key component. A doorbell circuit which forms the doorbell main body and the press key component comprises a receiver, an amplifying and shaping circuit, a voice circuit, a timing circuit and a power supply. After the doorbell sends out a sound, indoor people can send out a response as required. The utility model is especially suitable for offices and hotels, and is also suitable for modern families.

Description

Remote-control door bell

The utility model is relevant with the remote control doorbell, and is especially relevant with a doorbell remote control, that have voice answer-back.

The most frequently used doorbell is an electronic door bell at present, and it is made up of button, indoor call pronunciation circuit.This doorbell only has the call effect, and the visitor can't obtain owner's instruction.The electronic door bell of a kind of auto answer of development is as long as owner sets the position of switch at any time, can work as owner the time send automatically that come in; Owner not the time send automatically owner not voice, the weak point of this doorbell is 1, along with owner is in and stays out, to stir switch constantly, if inadvertent will disorderly be given voice, 2, when owner is in, as not thinking temporarily that for some reason the visitor enters, but doorbell still sends the voice that come in automatically, and is therefore very inconvenient.

The purpose of this utility model is to design a kind of remote control doorbell that can conveniently indicate the visitor according to owner's wish.

The remote control doorbell of the utility model design is made up of telepilot, doorbell.Doorbell comprises doorbell main body and key component two parts.Telepilot is made up of the radiating circuit of installing in the enclosure, and it comprises power supply, teleswitch, oscillatory circuit and transducer.The transmitting terminal of teleswitch one end and transducer all fits in the installation through hole of shell.Doorbell is formed by being installed in two doorbell circuits in the shell.Doorbell circuit is made up of receiver, amplification and rectification circuit, sound circuit, timing circuit and power supply.Sound circuit comprises button, speech chip, two triodes, loudspeaker.Speech chip has two kinds of voice at least, as ding-dong sound and come in sound.Ding-dong sound can replace with the various music sounds, and other also can increase please wait a moment the voice of Denging, when having three kinds of voice, should add selector switch.Key component comprises the button in the sound circuit, and remainder is the doorbell main body.The remote signal that telepilot sends can be a ultrasonic signal, infrared ray or radio-frequency signal, therefore transducer wherein can be sonac, infrared transmitting tube and radio frequency antenna, receiver in the doorbell main body should correspond to ultrasonic receiver respectively, infrared remote receiver and radio frequency receiver.Oscillatory circuit is exported corresponding oscillation frequency.Amplifying circuit can adopt various amplifying circuits, can be that one-level is amplified, and also can adopt secondary to amplify.The employing secondary amplifies then can extend remote control distance and raising sensitivity, and timing circuit can adopt normally used various wiring diagram.The button that pushes button in the parts promptly triggers sound circuit, make loudspeaker send the sound, open timing circuit simultaneously, make the complete machine power connection, at timing circuit in the on time, after receiver is received the signal that telepilot sends, through amplify, shaping, trigger sound circuit and send the voice that come in or please wait a moment.For making the visitor can not hear replying of owner, also can be provided with loudspeaker in the key component.

The remote control doorbell of the utility model design has following advantage:

1. do not leave under the situation at seat owner, or in indoor arbitrfary point, can ask the visitor to enter house according to actual needs or wait a moment, maybe will not reply.

2. can shut down automatically, not only power saving but also anti-tampering.

The composition synoptic diagram of the remote control doorbell that Fig. 1 designs for the utility model.

Fig. 2 is the circuit block diagram of doorbell.

Fig. 3 is the circuit block diagram of doorbell telepilot.

Fig. 4 is the circuit diagram of telepilot.

Fig. 5 is the circuit diagram of doorbell.

Below in conjunction with accompanying drawing embodiment of the present utility model and effect thereof are further described.

Fig. 1 is the composition diagram of the doorbell of the utility model design, and it is made up of telepilot 1, doorbell main body 2 and key component 3.Connect with lead 4 between doorbell main body 2 and the key component 3.Telepilot 1 is made up of the radiating circuit of installing in the enclosure, and radiating circuit comprises power supply 5, teleswitch 6, oscillatory circuit 7 and transducer 8(see Fig. 3).The transmitting terminal 9 of the end of teleswitch 6 and transducer 8 all fits in the installation through hole of shell, and exposes shell, so that operation.Form the electric bell circuit of doorbell by doorbell main body 2 and key component 3 and form (see figure 2) by receiver 10, amplification and rectification circuit 11, sound circuit 12, timing circuit 13 and power supply 14.The reception head of receiver fits in the installation through hole of shell.

The design's remote control doorbell can adopt various remote control modes, as ultrasonic remote control, infrared remote control or radio frequency remote control.It depends on the transducer selected for use and adaptive with it receiver and oscillation frequency.Select for use during ultrasonic remote control sonac as transducer and ultrasound wave receiving sensor as receiver, then be infrared transmitting tube and infrared receiving tube during infrared remote control.Radio frequency emitting antenna and radio frequency receiving antenna are then selected in the radio frequency remote control for use.These all are that the electronics professional and technical personnel very easily accomplishes.Oscillatory circuit, amplification and rectification circuit and timing circuit all can adopt normally used related circuit.

What Fig. 4 provided is a kind of wiring diagram that utilizes the telepilot of ultra-sonic remote control.Wherein K1 is a teleswitch.T is a transducer, adopts HTC type sonac.By time base circuit U1(NE555), resistance R 1, potentiometer VR and capacitor C 2 constitute oscillatory circuit, potentiometer VR is used to regulate oscillation frequency, and the K1 that pushes button can export the ultrasonic signal of the square wave drive ultrasonic emitting sensor T of 40KHZ to spatial emission 40KHZ by 3 ends of NE555.

Fig. 5 is the wiring diagram with a kind of doorbell of Fig. 4 assembly.Wherein timing circuit is by time base circuit U2(NE555), two triode Q1, Q2 form.After button K2 presses connection, the CE terminal shortcircuit of Q1, the U2 power connection, power supply charges to C1 by R4, R5; The 3 ends output high level of U2, the Q2 conducting, the Q1 conducting forms self-locking; Power to whole receiving circuit by Q1.When the voltage of C1 is raised to greater than 2/3 supply voltage, the upset of 3 ends, output voltage is 0V, and Q2 turn-offs, and it is that timing arrives that Q1 turn-offs, the complete machine power remove.Amplification and rectification circuit is by triode Q3, U1(4069) and two diode D1, D2, capacitor C 5, resistance R 13 form, adopt secondary to amplify.The 40kHz ultrasound wave that is received by ultrasound wave receiving sensor 40R amplifies through Q3 sends into U1(4069) the amplifying circuit of forming by preceding four reverser U1A, U1B, U1C, U1D amplify once more, through D1, the detection of D2 multiplication of voltage, R13, C5 rectification become DC voltage, two reverser U1E, U1F in addition through 4069 isolate, the output trigger pip.Sound circuit by button K2, speech chip YYB, selector switch SW, two triode Q5, Q4, and two loudspeaker SP1, SP2 form.When pressing K2,5 pin of speech chip are high triggering level, and speech chip sends " ding-dong ", output to two loudspeaker SP1, SP2 through Q5, Q4 amplification and send doorbell " ding-dong " sound.R14, R15 are the required resistance of speech chip.At this moment, ultrasound wave receiving sensor 40R receives the 40kHz ultrasonic signal of emission sensor emission after amplify and form trigger pip, and this signal is delivered to speech chip 7 pin or 9 human hair combing wastes go out " come in " or " please wait a moment " voice through selector switch SW.SW is a selector switch, to select the voice of output " come in " or " please wait a moment ".Button K2 in the sound circuit and loudspeaker SP2 are installed in and constitute key component in the shell, are installed in outdoors; Remainder is installed in and constitutes the doorbell main body in another shell, is installed in an interior appropriate location, and both connect with lead, preferably use telephone cable.

When need using, earlier key component is installed in appropriate location outdoors, is installed in an interior appropriate location as the doorbell main body of receiving unit, both connect with telephone cable.Telepilot is a separate piece, generally is placed near the user.When having the people to come to visit outdoors, K switch 2 pushes button, at this moment, the CE terminal shortcircuit of triode Q1, time base circuit U2(NE555) power connection, power supply charges to capacitor C 1 by resistance R 4, R5, the 3 ends output high level of time base circuit U2, triode Q2 conducting, triode Q1 conducting forms self-locking, powers to whole receiving circuit by Q1; Simultaneously 5 pin of speech chip YYB are high triggering level, and speech chip sends " ding-dong ", amplify through triode Q5, Q4 to output to loudspeaker SP1 and SP2 sends doorbell ding-dong sound, and wherein resistance R 14, R15 are the required resistance value of speech chip.As unmanned within doors, or from the ding-dong sound during above setting-up time (as 15 seconds), also promptly when the voltage on the capacitor C 1 is raised to greater than 2/3 supply voltage, the 3 ends upset of U2, output voltage is 0V, this moment, Q2 turn-offed, Q1 turn-offs, and timing arrives, the complete machine power remove.As rising at the ding-dong sound to setting-up time (as 15 seconds) people is arranged within doors, and wish that the visitor enters, the remote keying K1 on then can remote controller, telepilot can be to the ultrasound wave of spatial emission setpoint frequency (as 40KHz).After the ultrasonic receiver in the receiving unit is received this ultrasonic signal, this signal amplifies through triode Q3 sends into time base circuit U1(4069) the amplifying circuit of forming by preceding four reverser U1A, U1B, U1C, U1D amplify once more, and through diode D1, the detection of D2 multiplication of voltage, R13, C5 rectification become DC voltage, again through U1(4069) in addition two reverser U1E, U1F isolate the output trigger pip.This signal goes out the voice of " come in " or " please wait a moment " through 7 pin or 9 human hair combing wastes that selector switch SW delivers to speech chip YYB.The visitor can enter or waits a moment by this indication.

This remote control doorbell is fit to home dwelling, office and hotel to be used.Especially being fit to office and hotel uses.Do not exist as owner, then do not reply.Exist as owner, do not want again to allow the visitor enter, also do not reply, when wanting to ask someone into, but then remote controller is sent corresponding voice.Owing to adopt two-stage to amplify, so remote control distance can reach more than 8 meters; Timing circuit can in time turn-off the complete machine power supply, so both can save power supply, can reduce interference again; The doorbell that two loudspeaker are set all has the clearly sound inside and outside more can making door, makes that owner needn't shout in the room, and the visitor just knows response content.

Claims (6)

1, a kind of remote control doorbell comprises key component and the doorbell main body that is attached thereto, and it is characterized in that:

(1) said remote control doorbell also comprises telepilot,

(2) said telepilot is made up of the radiating circuit of installing in the enclosure, said radiating circuit comprises power supply, teleswitch, oscillatory circuit and transducer, the said doorbell circuit that is made of key component and doorbell main body is made up of receiver, amplification and rectification circuit, sound circuit, timing circuit and power supply, said sound circuit comprises button, speech chip, two triodes, loudspeaker, and said button is installed and constituted key component in the enclosure.

2, by the said remote control doorbell of claim 1, it is characterized in that said amplification and rectification circuit is the secondary amplification and rectification circuit.

3, by claim 1 or 2 said remote control doorbells, it is characterized in that also establishing in the said key component loudspeaker.

4,, it is characterized in that said timing circuit is by time base circuit U2(NE555 by the said remote control doorbell of claim 3), two triodes form, said amplification and rectification circuit is by triode, six not gate U1(4069) and two diodes form.

5, by the said remote control doorbell of claim 3, it is characterized in that said speech chip has three kinds of voice, also comprises selector switch in the said sound circuit.

6, by the said remote control doorbell of claim 4, it is characterized in that said speech chip has three kinds of voice, also comprises selector switch in the said sound circuit.

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