CN2741115Y - Intelligent door bell device - Google Patents

Abstract

The utility model provides an intelligent doorbell device, which consists of a ringing device, a switching device and a recording and playback device; one end of a switch K is connected to the 24th pin of IC1, and the other end is connected to the ground; IC1 and IC2 are ISD1420, IC3 is 74LS74, one end of S1 is connected to C1, and the other end is connected to C2, the 18th pin of IC1 is connected to the other end of C1, the 17th pin of IC1 is connected to the other end of C2, one end of S2 is connected to C3, and the other end is connected to C4, the 18th pin of IC2 is connected to the other end of C3, and the 17th pin of IC2 is connected to the other end of C4; one end of K1 is connected to the 27th pin of IC1, and the other end is connected to the ground, one end of K3 is connected to the 24th pin of IC2, and the other end is connected to the ground, the positive pole of LED3 is connected to the 9th pin of IC3, and the negative pole is connected to the ground, the 10th pin of IC3 is connected to the 27th pin of IC2, and the 13th pin of IC3 is connected to the 24th pin of IC2. In addition to the ringing function, there is a message function; users can set their working status by switching the device; change the content of the prompt language, and there is a prompt light when recording.

Description

Smart doorbell device

technical field

The utility model relates to an intelligent doorbell device with the functions of language prompt, recording and playing.

Background technique

The traditional electronic doorbell is composed of a switch and a ringing device. When a guest comes to visit, press the switch, and the ringing device will sound. It only plays the role of knocking on the door. If the owner is not at home, the guest's visit information cannot be left. This kind of doorbell that only has a single sound brings a lot of inconvenience to all aspects.

Contents of the invention

The purpose of this utility model is to provide an intelligent doorbell device with added voice prompts and recording and playback functions, which can solve the problem in the prior art that it can only make a single sound and cannot leave visitor information.

The purpose of this utility model is achieved like this: the intelligent doorbell device is made up of a ringing device, a switching device and a recording and playback device; one end of the switch K is connected to the 24 pins of IC1, and the other end is connected to the ground; IC1, IC2 are ISD1420, IC3 That is 74LS74, one end of S1 is connected to C1, the other end is connected to C2, the 18 pins of IC1 are connected to the other end of C1, the 17 pins of IC1 are connected to the other end of C2, one end of S2 is connected to C3, the other end is connected to C4, IC2 The 18 pins of IC2 are connected to the other end of C3, the 17 pins of IC2 are connected to the other end of C4; The 9 pins of IC3 and the negative pole are connected to the ground, the 10 pins of IC3 are connected to the 27 pins of IC2, and the 13 pins of IC3 are connected to the 24 pins of IC2.

The advantages of the smart doorbell of the utility model are: 1. In addition to the ringing function, there is a message function; 2. The user can set its working state through the switching device: the doorbell function, or realize the message function; 3. Only one switch is needed outside the door The device can start the ringing device or the recording and playback device, which is simple and in line with people's habitual thinking; 4. The user can change the content of the prompt language according to the needs, which is flexible; 5. When recording, there is a prompt light prompt; 6. The user You can judge whether there is a message according to the message indicator light; 7. The power supply is 220v AC, and there is no need to replace the battery, which is more convenient and environmentally friendly.

Description of drawings

Provide embodiments of the present utility model below in conjunction with accompanying drawing:

Fig. 1 is a schematic cross-sectional view of the utility model installed in the door M, mainly indicating the positions of the external device 1 and the internal device 2 on the door M;

Fig. 2 is the left view of Fig. 1, which mainly shows the door device 1, which includes a doorbell button 7, a speaker 6 for prompting language, a recording button 3 for a visitor's message, a recording indicator light 4 for entering a visitor's message, and a key for entering a visitor's message. The installation form of microphone 5;

Fig. 3 is the right side view of Fig. 1, mainly shows the device 2 inside the door, which includes a bell horn 14, a switch 9, a recording button 13 for entering the prompt language, a recording indicator 12 for the user to enter the prompt language, and a microphone for entering the prompt language 11. Message indicator light 15, message playing speaker 16, message playing button 8, battery 10 installation form;

Fig. 4 is a schematic diagram of the system frame of the present utility model, which mainly indicates that switching device A is divided into two gears of "work" and "rest" and the circuit connection forms with switch device B, bell device C, and sound recording and playback device D respectively;

Fig. 5 is a schematic diagram of the power supply circuit of the present invention, in which IC4 is 7805, and the input is 220v AC voltage.

Fig. 6 is a schematic circuit diagram of the utility model.

Detailed ways

The intelligent doorbell device of the utility model is composed of a ringing device, a switching device and a sound recording and playback device; one end of the switch K is connected to the 24 pin of IC1, and the other end is connected to the ground; IC1, IC2 are ISD1420, IC3 is 74LS74, and one end of S1 Connect to C1, the other end to C2, the 18 pins of IC1 to the other end of C1, the 17 pins of IC1 to the other end of C2, one end of S2 to C3, the other end to C4, the 18 pins of IC2 to C3 On the other end, IC2's 17 pin is connected to the other end of C4; one end of K1 is connected to IC1's 27 pin, the other end is connected to the ground, one end of K3 is connected to IC2's 24 pin, the other end is connected to the ground, and the positive pole of LED3 is connected to IC3's 9 pin and the negative pole Connect to ground, IC3's 10 pins connect to IC2's 27 pins, IC3's 13 pins connect to IC2's 24 pins.

Detailed description of the circuit principle diagram of the utility model: after the power supply VCC is connected in series with the capacitor C11, it is respectively connected with the IC1 pins 1-13 of the integrated block, and the IC1 pins 14-15 of the integrated block are connected in parallel with the speaker L1; the power supply VCC is respectively connected with the integrated block IC1 pins 28, 16 are connected, IC1 pin 26 is grounded, pins 20-21 are connected in parallel with capacitor C13; IC1 pin 27 is connected in series with switch K1, and at the same time, capacitor C12 and resistor R11 are respectively connected in parallel between IC1 pin 27 and power supply VCC; Block IC1 pin 25 series resistor R1, light-emitting diode LED1 connected to power supply VCC, meanwhile, integrated block IC1 pin 25 series capacitor CB, resistor R12 connected to power supply VCC; integrated block IC1 pin 25 series resistor R14, capacitor C1 connected IC1 pin 18; R12, The CB node series resistor R13 and capacitor C2 are connected to IC1 pin 17; C1 and R14 nodes are connected to one end of microphone S1, and C2 and R13 nodes are connected to the other end of microphone S1; power supply VCC series resistor R15 is connected to integrated block IC1 pin 24; integrated block IC1 pin 24 series switch K is grounded; Manifold IC1 pin 19 series capacitor CA is grounded, resistor R16 is connected in parallel with capacitor CA;

The power supply VCC is connected in series with the capacitor C21 and connected with pins 1-13 of the integrated block IC2 respectively, the pins 14-15 of the integrated block IC2 are connected in parallel with the speaker L2, the pin 28 of the integrated block IC2 is connected with the power supply VCC, the pin 26 is grounded, and the pins 20-21 are connected in parallel with the capacitor C23; Manifold IC2 pin 27 series switch K2 is grounded, and at the same time, capacitor C22 and resistor R21 are connected in parallel between Manifold IC2 pin 27 and power supply VCC; 25 series capacitor CE, resistor R22 connected to power supply VCC, integrated block IC2 pin 25 series resistor R24, capacitor C3 connected to IC2 pin 18, R22, CE node series resistor R23, capacitor C4 connected to IC2 pin 17; C3, R24 node connected to the microphone S2 end , C4, R23 nodes are connected to the other end of the microphone S2; the integrated block IC2 pin 24 series switch K3 is grounded; the integrated block IC2 pin 19 series capacitor CD is grounded, and the resistor R26 is connected in parallel with the capacitor CD;

Power supply VCC series resistor R25 is connected to pin 24 of IC2, pin 24 of IC2 is connected to pin 13 of IC3, pin 14 of IC3 is connected to power VCC; pin 10 of IC3 is connected to pin 27 of IC2, pin 9 of IC3 The LED3 connected in series is grounded, and the pin 7 is grounded.

When in use, switch the switching device inside the door to the "rest" gear, press the switch K outside the door, and the doorbell will ring. When the user is inconvenient to respond, the switching device can be switched to the "working" file to start the recording and playback device. Press the switch K outside the door, the language prompts, you can leave a message. Wherein, the language prompt can be changed according to different needs of users. Press the prompt language recording button to record. Visitors can leave a message by pressing the recording button outside the door, and the recording work indicator light is on at the same time to show that recording is in progress. At the same time, the built-in prompt light of the door is on, telling the user that a visitor has visited, and there is a message. The owner presses the play button to play the message, and the red indicator light goes out at the same time.

Recording and playback device, among them, IC1 and IC2 are ISD1420, IC3 is 74LS74, one end of S1 is connected to C1, the other end is connected to C2, IC1’s 18 pins are connected to the other end of C1, IC1’s 17 pins are connected to the other end of C2, S2 One end of IC2 is connected to C3, the other end is connected to C4, IC2’s 18 pin is connected to the other end of C3, IC2’s 17 pin is connected to the other end of C4, one end of K1 is connected to IC1’s 27 pin, the other end is connected to ground, and one end of K3 is connected to The 24 pin of IC2, the other end is connected to the ground, the positive pole of LED1 is connected to the power supply, the negative pole is connected to R1, the other end of R1 is connected to the 25 pin of IC1, the positive pole of LED2 is connected to the power supply, the negative pole is connected to R2, the other end of R2 is connected to the 25 pin of IC1, and the positive pole of LED3 Connect the 9 pins of IC3, connect the negative pole to the ground, connect the 10 pins of IC3 to the 27 pins of IC2, connect the 13 pins of IC3 to the 24 pins of IC2.

The two ends of the switch K of the switching device are respectively connected into the circuit of the ringing device and the circuit of the recording and playback device, and are used to control which circuit is closed, that is, the function of switching is completed. The sound recording and playback device is composed of a voice chip, a loudspeaker, a microphone, a trigger and ancillary components. The voice chip can use ISD1420 and a chip that can realize the function of recording and playback.

Bell device is that traditional doorbell button 7, bell horn 14, battery 10 are originally set on the door M. The loudspeaker 6 for playing sound and the loudspeaker 16 for playing messages are respectively loudspeakers L1-2 in the circuit. Indicator lamps 4, 12, 15 are respectively light-emitting diodes LED1-3 in the circuit. The switch K in the circuit is a traditional doorbell button 7; the switch K1 in the circuit is the recording button 13 for entering the prompt language; the switch K2 in the circuit is the recording button 3 for the visitor to leave a message;

The technical parts not described in detail in the utility model are all known technologies.

The technical solutions described in the utility model are not limited to the implementations described in this example, and other implementations are also possible to complete the technical solutions of the utility model.

Claims (1)

1, intelligent doorbell device is characterized in that being made up of jingle bell device, switching device shifter and recording and playing device; 24 pin of one termination IC1 of K switch, the other end connect ground; IC1, IC2 are ISD1420, IC3 is 74LS74, the end of S1 links to each other with C1, the other end links to each other with C2,18 pin of IC1 connect the other end of C1,17 pin of IC1 connect the other end of C2, the end of S2 links to each other with C3, the other end links to each other with C4, and 18 pin of IC2 connect the other end of C3, and 17 pin of IC2 connect the other end of C4; 27 pin, the other end that the end of K1 connects IC1 connect ground, and the end of K3 connects 24 pin of IC2, the other end connects ground, and 9 pin, the negative pole of the anodal IC3 of company of LED3 connect ground, and 10 pin of IC3 connect 27 pin of IC2, and 13 pin of IC3 connect 24 pin of IC2.

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