CN218217766U - Door bell device for building visitors - Google Patents

Door bell device for building visitors Download PDF

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Publication number
CN218217766U
CN218217766U CN202222138064.0U CN202222138064U CN218217766U CN 218217766 U CN218217766 U CN 218217766U CN 202222138064 U CN202222138064 U CN 202222138064U CN 218217766 U CN218217766 U CN 218217766U
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resistor
microcontroller
light
unit
switch
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CN202222138064.0U
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叶超凡
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Shenzhen Security Group Co ltd
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Shenzhen Security Group Co ltd
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Abstract

The utility model relates to a door bell device for building visitors, which comprises a photosensitive unit, a power amplifier unit and a microcontroller; the photosensitive unit and the power amplifier unit are both connected with the microcontroller, and the microcontroller is also connected with a doorbell trigger switch and a plurality of dazzling light units; the photosensitive unit detects the illumination brightness in the building, and the microcontroller controls the light supplementing unit to be turned on or off according to the illumination brightness; the light supplementing unit is connected with the microcontroller, and light emitted by the light supplementing unit irradiates the doorbell trigger switch; when the microcontroller detects that the doorbell trigger switch is pressed down, the power amplification unit is controlled to play the doorbell and the plurality of dazzling light units are controlled to emit dazzling light; the microcontroller is also connected with a ring switch, and the ring switch is used for switching the door ring so as to meet different use requirements; thereby realize opening the light filling unit according to illumination intensity intelligence and shine doorbell trigger switch and carry out the light filling, improved user's experience greatly.

Description

Door bell device for building visitors
Technical Field
The utility model relates to a building doorbell circuit technical field, more specifically say, relate to a building visitor doorbell device.
Background
The "building" is that: buildings and mansions; in some old buildings, because the illuminating lamps are not installed in the corridor in a uniform wiring manner, the illuminating lamps are often in the dark in a large part of the daytime, and when visitors visit, the corresponding visited users are often informed of the visiting by searching for doorplates and doorbell switches through a flashlight of a mobile phone; but the pilot lamp of current doorbell switch often opens for the whole day and can't close alone, and it is long when having the intelligent degree low, then seriously influenced the standby of doorbell when the condition that has a power failure to appear.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a can be according to the building visitor doorbell device of the automatic light filling lamp of opening of illumination intensity is provided.
The utility model provides a technical scheme that its technical problem adopted is:
constructing a building visitor doorbell device which comprises a photosensitive unit, a power amplifier unit and a microcontroller; the intelligent alarm system is characterized in that the photosensitive unit and the power amplifier unit are both connected with the microcontroller, and the microcontroller is also connected with a doorbell trigger switch and a plurality of dazzling light units;
the photosensitive unit is used for detecting illumination brightness in a building, and the microcontroller controls the light supplementing unit to be turned on or off according to the illumination brightness; the microcontroller controls the power amplification unit to play door bells and controls the dazzling light units to emit dazzling light when detecting that the doorbell trigger switch is pressed;
the light supplementing unit is connected with the microcontroller, and light emitted by the light supplementing unit irradiates the doorbell trigger switch; the microcontroller is also connected with a ring switch, and the ring switch is used for switching the door ring.
Building visitor doorbell device, wherein, the photosensing unit includes: the device comprises a photosensitive resistor, an adjustable resistor and a first operational amplifier;
the photosensitive resistor is connected with the equidirectional input end of the first operational amplifier, the other end of the photosensitive resistor is grounded, the reverse input end of the first operational amplifier is also connected with a first resistor, and the other end of the first resistor is connected with the output end of the power supply unit; the reverse input end of the first operational amplifier is connected with pin 2 of the adjustable resistor, pin 1 of the adjustable resistor is connected with the output end of the power supply unit, and pin 3 of the adjustable resistor is grounded;
the output end of the first operational amplifier is connected with the P2.0/A8 end of the microcontroller and is also connected with a second resistor, the other end of the second resistor is connected with the cathode of the first light-emitting diode, and the anode of the first light-emitting diode is connected with the output end of the power supply unit.
Building visitor doorbell device, wherein, the power amplifier unit includes: the second operational amplifier, a polar capacitor, a capacitor and a third resistor;
the equidirectional input end of the second operational amplifier is connected with a fourth resistor and a fifth resistor, the other end of the fourth resistor is connected with the P1.0 end of the microcontroller, and the other end of the fifth resistor is grounded;
the output end of the second operational amplifier is connected with the anode of the polar capacitor and the third resistor, the cathode of the polar capacitor is connected with the first end of the loudspeaker, the other end of the third resistor is connected with the first capacitor, and the other end of the first capacitor is connected with the second end of the loudspeaker and grounded.
Building visitor doorbell device, wherein, dazzle the light unit and include: a second light emitting diode and a sixth resistor;
the sixth resistor is connected with the output end of the power supply unit, the other end of the sixth resistor is connected with the anode of the second light-emitting diode, and the cathode of the second light-emitting diode is the control end of the glare unit and is connected with the rest unused I/O port of the microcontroller;
the control ends of the glare units are connected with the I/O ports of the microcontroller which are not used in a one-to-one mode.
The door bell device for the building visitors, provided by the utility model, wherein the door bell trigger switch is a first inching switch; the ring switch is a second inching switch;
the first actuating switch is connected with a P3.0/RXD end of the microcontroller, and the other end of the first actuating switch is connected with a seventh resistor; the second inching switch is connected with the P3.1/TXD end of the microcontroller, and the other end of the second inching switch is connected with an eighth resistor; the other ends of the seventh resistor and the eighth resistor are both grounded.
Building visitor doorbell device, wherein, the light filling unit includes: a third light emitting diode and a ninth resistor;
the negative electrode of the third light emitting diode is connected with the P2.2/A10 end of the microcontroller, the positive electrode of the third light emitting diode is connected with a ninth resistor, and the other end of the ninth resistor is connected with the output end of the power supply unit.
Building visitor doorbell device, wherein, power supply unit includes: a backup battery and a diode and a power switch;
the negative pole ground connection and the positive pole of stand-by battery respectively with the negative pole of diode with the switch is connected, the positive pole of diode is connected with the positive pole of outside charger, the negative pole ground connection of outside charger, the other end of switch does power supply unit's output and still with microcontroller's VCC end is connected, microcontroller's GND end ground connection.
The beneficial effects of the utility model reside in that: the photosensitive unit detects the illumination brightness in the building, and the microcontroller controls the light supplementing unit to be turned on or turned off according to the illumination brightness; when the microcontroller detects that the doorbell trigger switch is pressed down, the power amplification unit is controlled to play the doorbell and the plurality of dazzling light units are controlled to emit dazzling light; the microcontroller is also connected with a ring switching switch which is used for switching the door ring so as to meet different use requirements; thereby realize opening the light filling unit according to illumination intensity intelligence and shine doorbell trigger switch and carry out the light filling, improved user's experience greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:
fig. 1 is a schematic circuit diagram of a photosensitive unit of a building visitor doorbell device according to a preferred embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a power amplifier unit, a power supply unit, a light supplement unit and a microcontroller of the building visitor doorbell device according to the preferred embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a glare unit of the building visitor doorbell device according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made clearly and completely in conjunction with the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The building visitor doorbell device of the preferred embodiment of the present invention is shown in fig. 1, with reference to fig. 2 to 3; the device comprises a photosensitive unit 100, a power amplifier unit 200 and a microcontroller U1; the light sensing unit 100 and the power amplifier unit 200 are both connected with a microcontroller U1, and the microcontroller U1 is also connected with a doorbell trigger switch K1 and a plurality of glare units 300; wherein the microcontroller is of type AT89C51;
the light sensing unit 100 is used for detecting illumination brightness in a building, and the microcontroller U1 controls the light supplementing unit 210 to be turned on or off according to the illumination brightness; when the microcontroller U1 detects that the doorbell trigger switch K1 is pressed, the power amplification unit 200 is controlled to play the doorbell and the dazzle light units 300 are controlled to emit dazzle light;
the light supplementing unit 210 is connected with the microcontroller U1, and light emitted by the light supplementing unit 210 irradiates the doorbell trigger switch K1; the microcontroller U1 is also connected with a ring switch K2, and the ring switch K2 is used for switching the door ring;
the photosensitive unit 100 detects the illumination brightness in the building, and the microcontroller U1 controls the light supplementing unit 210 to be turned on or off according to the illumination brightness; when the microcontroller U1 detects that the doorbell trigger switch K1 is pressed, the power amplification unit 200 is controlled to play the doorbell and the plurality of colorful light units 300 are controlled to emit colorful light; the microcontroller U1 is also connected with a ring switch K2, and the ring switch K2 is used for switching door rings to meet different use requirements; thereby realize opening light filling unit 210 according to illumination intensity intelligence and shine doorbell trigger switch K1 and carry out the light filling, improved user's experience greatly.
As shown in fig. 1 and 2, the photosensitive unit 100 includes: a light sensing resistor LDR1, an adjustable resistor RV1 and a first operational amplifier U3: A;
the light sensing resistor LDR1 is connected with the same-direction input end of the first operational amplifier U3: A, the other end of the light sensing resistor LDR1 is grounded, the reverse input end of the first operational amplifier U3: A is also connected with a first resistor R18, and the other end of the first resistor R18 is connected with the output end of the power supply unit 220; the reverse input end of the first operational amplifier U3 is connected with a pin 2 of the adjustable resistor RV1, a pin 1 of the adjustable resistor RV1 is connected with the output end of the power supply unit 220, and a pin 3 is grounded;
the output end of the first operational amplifier U3 is connected with the P2.0/A8 end of the microcontroller U1 and is also connected with a second resistor R19, the other end of the second resistor R19 is connected with the cathode of a first light-emitting diode D10D9, and the anode of the first light-emitting diode D10D9 is connected with the output end of the power supply unit 220; wherein, the sensitivity of the light sensing unit 100 for detecting the illumination intensity can be adjusted by adjusting the adjustable resistor RV 1; the first light emitting diode D10D9 is used to correspond to whether the display sensing unit 100 detects day or night.
As shown in fig. 2, the power amplifier unit 200 includes: the circuit comprises a second operational amplifier U2, a polar capacitor C6, a capacitor C7 and a third resistor R4;
the equidirectional input end of the second operational amplifier U2 is connected with a fourth resistor R3 and a fifth resistor R1, the other end of the fourth resistor R3 is connected with the P1.0 end of the microcontroller U1, and the other end of the fifth resistor R1 is grounded;
the output end of the second operational amplifier U2 is connected with the anode of a polar capacitor C6 and a third resistor R4, the cathode of the polar capacitor C6 is connected with the first end of the loudspeaker LS1, the other end of the third resistor R4 is connected with a first capacitor C7, and the other end of the first capacitor C7 is connected with the second end of the loudspeaker LS1 and grounded; so as to form a high-frequency playing circuit to make the sound spread farther; it should be noted that: the power amplifier unit 200 is a pure digital power amplifier circuit which can only play beat sound: for example: can play ding-dong and ding-dong sound, a music score of 'world is good for mother', and the like.
As shown in fig. 2 and 3, the glare unit 300 includes: a second light emitting diode D10D1 and a sixth resistor R5;
the sixth resistor R5 is connected to the output end of the power supply unit 220, and the other end of the sixth resistor R is connected to the anode of the second light emitting diode D10D1, and the cathode of the second light emitting diode D10D1 is connected to the remaining unused I/O port of the microcontroller U1 as the control end of the glare unit 300; the circuit is simple and the cost is low; the second light emitting diodes D10D1 in the multiple glare units 300 may use different colors to improve the glare atmosphere;
the control terminals of the multiple glare units 300 are connected one-to-one with the remaining unused I/O ports of the microcontroller U1; the water-flowing type dazzling can be performed under the control of the microcontroller U1; in addition, a parallel control mode is adopted, and when one of the light emitting diodes D10 breaks down, the work of the rest light emitting diodes D10 is not influenced; the dazzling light unit 300 and the loudspeaker LS1 are located indoors, and acousto-optic reminding is achieved.
As shown in fig. 2, the doorbell trigger switch K1 is a first inching switch K1; the ring switching switch K2 is a second inching switch K2; the doorbell trigger switch K1 and the third light-emitting diode D10D11 are located outdoors to realize light supplement for the doorbell trigger switch K1;
the first ignition switch K1 is connected with the P3.0/RXD end of the microcontroller U1, and the other end of the first ignition switch K1 is connected with a seventh resistor R15; the second inching switch K2 is connected with the P3.1/TXD end of the microcontroller U1, and the other end of the second inching switch K is connected with an eighth resistor R14; the other ends of the seventh resistor R15 and the eighth resistor R14 are both grounded; the circuit is simple and the cost is low; the microcontroller U1 is further connected to a third trigger switch K3 to control the on/off of the glare unit 300, so as to save power and only perform ring alert, and is suitable for the situation where only the standby battery BAT1 is used for power supply.
As shown in fig. 2, the light supplement unit 210 includes: a third light emitting diode D10D11 and a ninth resistor R20;
the negative electrode of the third light emitting diode D10D11 is connected with the P2.2/a10 end of the microcontroller U1, the positive electrode thereof is connected with the ninth resistor R20, and the other end of the ninth resistor R20 is connected with the output end of the power supply unit 220; the circuit is simple and the cost is low.
As shown in fig. 2, the power supply unit 220 includes: a backup battery BAT1, a diode D10, and a power switch SW1;
the negative electrode of the standby battery BAT1 is grounded, the positive electrode of the standby battery BAT1 is connected with the negative electrode of the diode D10 and the switch respectively, the positive electrode of the diode D10 is connected with the positive electrode of an external charger, the negative electrode of the external charger is grounded, the other end of the switch is the output end of the power supply unit 220 and is also connected with the VCC end of the microcontroller U1, and the GND end of the microcontroller U1 is grounded; it should be noted that when the building visitor doorbell device is connected with an external charger, due to the existence of the diode D10, the electric energy of the standby battery BAT1 cannot flow back to the charger, and when the charger is disconnected or power is cut off, the standby battery BAT1 can instantly output the electric energy to provide power supply for a circuit, wherein the standby battery BAT1 should use a battery with a full-automatic stop belt charging protection board, so that long-term connection of the charger for use is realized, and seamless switching is performed when power is cut off; the charging voltage of the external charger should be appropriately larger than the sum of the rated voltage of the secondary battery BAT1 and the voltage drop of the diode D10 to charge the secondary battery, for example: the rated voltage of the standby battery is 4.2V, the voltage drop of the diode is 0.7V, and the charging voltage of the charger of the external charger can be 5V.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims (7)

1. A door bell device for a building visitor comprises a photosensitive unit, a power amplifier unit and a microcontroller; the intelligent alarm system is characterized in that the photosensitive unit and the power amplifier unit are both connected with the microcontroller, and the microcontroller is also connected with a doorbell trigger switch and a plurality of dazzling light units;
the photosensitive unit is used for detecting illumination brightness in a building, and the microcontroller controls the light supplementing unit to be turned on or off according to the illumination brightness; the microcontroller controls the power amplification unit to play door bells and controls the dazzling light units to emit dazzling light when detecting that the doorbell trigger switch is pressed;
the light supplementing unit is connected with the microcontroller, and light emitted by the light supplementing unit irradiates the doorbell trigger switch; the microcontroller is also connected with a ring switching switch, and the ring switching switch is used for switching the door ring.
2. The building visitor doorbell device of claim 1, wherein the light sensing unit comprises: the device comprises a photosensitive resistor, an adjustable resistor and a first operational amplifier;
the photosensitive resistor is connected with the equidirectional input end of the first operational amplifier, the other end of the photosensitive resistor is grounded, the reverse input end of the first operational amplifier is also connected with a first resistor, and the other end of the first resistor is connected with the output end of the power supply unit; the reverse input end of the first operational amplifier is connected with pin 2 of the adjustable resistor, pin 1 of the adjustable resistor is connected with the output end of the power supply unit, and pin 3 of the adjustable resistor is grounded;
the output end of the first operational amplifier is connected with the P2.0/A8 end of the microcontroller and is also connected with a second resistor, the other end of the second resistor is connected with the cathode of the first light-emitting diode, and the anode of the first light-emitting diode is connected with the output end of the power supply unit.
3. The building visitor doorbell device of claim 2, wherein the power amplifier unit comprises: the second operational amplifier, a polar capacitor, a capacitor and a third resistor;
the equidirectional input end of the second operational amplifier is connected with a fourth resistor and a fifth resistor, the other end of the fourth resistor is connected with the P1.0 end of the microcontroller, and the other end of the fifth resistor is grounded;
the output end of the second operational amplifier is connected with the anode of the polar capacitor and the third resistor, the cathode of the polar capacitor is connected with the first end of the loudspeaker, the other end of the third resistor is connected with the first capacitor, and the other end of the first capacitor is connected with the second end of the loudspeaker and grounded.
4. The building visitor doorbell device of claim 3, wherein the glare unit comprises: a second light emitting diode and a sixth resistor;
the sixth resistor is connected with the output end of the power supply unit, the other end of the sixth resistor is connected with the anode of the second light-emitting diode, and the cathode of the second light-emitting diode is the control end of the glare unit and is connected with the rest unused I/O port of the microcontroller;
the control ends of the glare units are connected with the I/O ports of the microcontroller which are not used in a one-to-one mode.
5. A building visitor doorbell device according to claim 4, wherein the doorbell trigger switch is a first toggle switch; the ring switching switch is a second inching switch;
the first actuating switch is connected with a P3.0/RXD end of the microcontroller, and the other end of the first actuating switch is connected with a seventh resistor; the second inching switch is connected with the P3.1/TXD end of the microcontroller, and the other end of the second inching switch is connected with an eighth resistor; the other ends of the seventh resistor and the eighth resistor are both grounded.
6. The building visitor doorbell device of claim 5, wherein the fill-in light unit comprises: a third light emitting diode and a ninth resistor;
the negative electrode of the third light emitting diode is connected with the P2.2/A10 end of the microcontroller, the positive electrode of the third light emitting diode is connected with a ninth resistor, and the other end of the ninth resistor is connected with the output end of the power supply unit.
7. The building visitor doorbell device of claim 6, wherein the power supply unit comprises: a standby battery, a diode and a power switch;
the negative pole ground connection and the positive pole of stand-by battery respectively with the negative pole of diode with the switch is connected, the positive pole of diode is connected with the positive pole of outside charger, the negative pole ground connection of outside charger, the other end of switch does power supply unit's output and still with microcontroller's VCC end is connected, microcontroller's GND end ground connection.
CN202222138064.0U 2022-08-15 2022-08-15 Door bell device for building visitors Active CN218217766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222138064.0U CN218217766U (en) 2022-08-15 2022-08-15 Door bell device for building visitors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222138064.0U CN218217766U (en) 2022-08-15 2022-08-15 Door bell device for building visitors

Publications (1)

Publication Number Publication Date
CN218217766U true CN218217766U (en) 2023-01-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222138064.0U Active CN218217766U (en) 2022-08-15 2022-08-15 Door bell device for building visitors

Country Status (1)

Country Link
CN (1) CN218217766U (en)

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