CN201489617U

CN201489617U - Vibration type electronic music doorbell

Info

Publication number: CN201489617U
Application number: CN2009201701624U
Authority: CN
Inventors: 李智新
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-08-18
Filing date: 2009-08-18
Publication date: 2010-05-26
Anticipated expiration: 2019-08-18

Abstract

The utility model discloses a vibration type electronic music doorbell, which comprises a music amplifying module which consists of a music integrated module, an amplifier and a loudspeaker, a signal receiving module, an amplifying and shaping module, a counting integrated module and a time-delay module, wherein the signal receiving module comprises a pressure sensor, the pressure sensor is installed in a sensor box on a door, the signal receiving module receives a knock vibration wave and a sonic wave, the amplifying and shaping module converts the knock vibration wave and the sonic wave into a pulse electric signal, the counting integrated module receives the pulse electric signal to count the knocking times, and the counting integrated module is respectively connected with the music amplifying module and the time-delay module. The vibration type electronic music doorbell converts the knock vibration wave and the sonic wave into the electric signal, controls the music doorbell to start by counting the knocking times, is convenient in operation, does not need to be provided with any form of switches outside the door, is hardly broken, and has long service life.

Description

Oscillatory type electronic music doorbell

[technical field]

The utility model relates to a kind of doorbell, and is particularly a kind of with the counting oscillatory type electronic music doorbell that the number of times mode opens of knocking at the door.

[background technology]

Present known electronic music doorbell product all is to come the control gate the tinkle of bells ring to open in that multi-form pushbutton switch is installed outdoors, the form that doorbell starts is single, and the button of doorbell is exposed to outdoorly, and artificial destruction or demolition take place easily, button is long service time one, also can be malfunctioning because of wearing and tearing; In addition, the setting height(from bottom) of button is restricted the use of doorbell, when the visitor is wheelchair-bound disabled person or child, can't start doorbell by pressing button.

[utility model content]

The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of oscillatory type electronic music doorbell is provided, this kind doorbell is not fragile, is convenient to operation, opens in the knock at the door mode of number of times of counting.

The purpose of this utility model is achieved in that it comprises by the music integration module, the music amplification module that amplifier and loudspeaker are formed, it is characterized in that: it also comprises signal receiving module, amplify Shaping Module, counting integration module and time delay module, signal receiving module comprises pressure transducer, pressure transducer places in the sensing box that is installed on the door, signal receiving module receives knock at the door vibration wave and sound wave to be changed pulse electrical signal into and inserts the counting integration module counting number of times of knocking at the door through amplifying Shaping Module, and the counting integration module is connected with time delay module with the music amplification module respectively;

In the above-mentioned oscillatory type electronic music doorbell, described pressure transducer adopts piezoelectric ceramic piece;

In the above-mentioned oscillatory type electronic music doorbell, described counting integration module adopts the CD4017 chip.

Than existing doorbell, the beneficial effects of the utility model are: will the knock at the door vibration wave and the sound wave signal transition of knocking at the door are electric signal, control the electronic music door the tinkle of bells and ring to open with the counting number of times mode of knocking at the door, easy to operate, the visitor is not subjected to the restriction of height can open doorbell; Need not any type of switch is being installed outdoors, doorbell is not fragile, long service life; Adopt time delay module can solve stored count doorbell mistake and ring problem.

[description of drawings]

Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail

Fig. 1 is the circuit block diagram of oscillatory type electronic music doorbell of the present utility model

Fig. 2 is a circuit diagram of the present utility model

[embodiment]

As depicted in figs. 1 and 2, oscillatory type electronic music doorbell of the present utility model comprises signal receiving module 1, amplifies Shaping Module 2, counts integration module 3, time delay module 4 and music amplification module 5, signal receiving module 1 inserts counting integration module 3 through amplifying Shaping Module 2, and counting integration module 3 is connected with time delay module 4 with music amplification module 5 respectively.Signal receiving module 1 comprises pressure transducer, pressure transducer places in the sensing box that is installed on the door, the vibration wave that is produced when the visitor knocks at the door and the sound wave of knocking at the door are shaped as pulse electrical signal by sensing amplifying circuit reception amplification and deliver to counting integration module 3 countings, export high level through counting integration module 3 countings and order at each pin, the 4th high level with order output, remove to trigger the integrated module switch trigger end of music, make the work of music integration module, loudspeaker sends the sound, when sending the sound, music integration module work loudspeaker delivers to counting integration module 3 clear terminals with the high level of music integration module output, 3 zero clearings of counting integration module are counted again, solve stored count doorbell mistake with time delay module 4 and ring problem, knock at the door for the second time, time delay module 4 obtains power supply time-delay beginning in the time of three times, in setting-up time, the vibration of knocking at the door involves sound wave and does not reach four times, time delay module 4 is exported high level automatically to counting integration module 3 clear terminals, counting integration module 3 is counted again, and time delay module 4 quits work simultaneously.Design Theory is knocked at the door within a certain period of time and is reached four times, the electronic music doorbell is opened and is sent the sound, firmly vary in size owing to knock at the door and sensing box distance is knocked at the door different, the vibration wave frequency of knocking at the door that sensor is received is inconsistent through the clock frequency that amplification Shaping Module 2 is produced, so design circuit control doorbell sounds when knocking at the door for three to four times.The utility model circuit is by dog days' direct current supply, and in 50 microamperes of the quiescent currents, in 70 milliamperes of the dynamic circuits, circuit is simple, and components and parts are few, and cost is low, economize on electricity.

Resistance R 1 in the oscillatory type electronic music doorbell circuit, resistance R 2, YF-27 type piezoelectric ceramic piece S, triode V1, resistance R 3, capacitor C 1 are formed sensing and are received amplification and rectification circuit and picked up counting to IC1 counting circuit CD4017 pin 14 input end CD4017 by the base electrode output pulse signal of triode V1.By resistance R 4, resistance R 5, capacitor C 2, triode V2 form three second delay circuit, when IC1 counting circuit CD4017 pulse input end receives secondary to three subpulse signal in three times in second, export high level to time delay module 4 power supplies at IC1 counting circuit CD4017 pin 2 or pin 4 orders, triode V2 conducting base electrode output high level to CD4017 clear terminal pin 15 is counted the zero clearing of counting circuit counting again after three seconds, CD4017 pulse input end 14 receptions four subpulse signal CD4017 pin 7 output high level are amplified to loudspeaker through triode V3 and send the ding-dong the tinkle of bells in three times in second, give CD4017 clear terminal pin 15 high level through diode D3 when the IC2 music integrated circuit is opened the output high level, the 3 counting zero clearings of counting integration module are counted again.

Described above only is preferred embodiment of the present utility model; above-mentioned specific embodiment is not to restriction of the present utility model; the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.

Claims

1. oscillatory type electronic music doorbell, it comprises by the music integration module, the music amplification module that amplifier and loudspeaker are formed, it is characterized in that: it also comprises signal receiving module, amplify Shaping Module, counting integration module and time delay module, signal receiving module comprises pressure transducer, pressure transducer places in the sensing box that is installed on the door, signal receiving module receives knock at the door vibration wave and sound wave to be changed pulse electrical signal into and inserts the counting integration module counting number of times of knocking at the door through amplifying Shaping Module, and the counting integration module is connected with time delay module with the music amplification module respectively.

2. oscillatory type electronic music doorbell according to claim 1 is characterized in that: pressure transducer adopts piezoelectric ceramic piece.

3. oscillatory type electronic music doorbell according to claim 1 is characterized in that: the counting integration module adopts the CD4017 chip.