CN215182311U - Control device for doorbell - Google Patents

Control device for doorbell Download PDF

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CN215182311U
CN215182311U CN202120980242.7U CN202120980242U CN215182311U CN 215182311 U CN215182311 U CN 215182311U CN 202120980242 U CN202120980242 U CN 202120980242U CN 215182311 U CN215182311 U CN 215182311U
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electrically connected
doorbell
diode
input
microcontroller
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CN202120980242.7U
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吴启洪
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Savekey Technology Ltd
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Savekey Technology Ltd
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Abstract

The utility model discloses a control device for a doorbell, which comprises a microcontroller, an indicator light module and a doorbell module, wherein the doorbell module is electrically connected with a first output end of the microcontroller; the indicating lamp module comprises a plurality of indicating lamp groups, the indicating lamp groups are powered by an alternating current power supply, and each indicating lamp group comprises a live wire connecting end, a zero line connecting end and a ground wire connecting end; the indicating lamp set is electrically connected with the first input end of the microcontroller through a conversion circuit, and the conversion circuit comprises a photoelectric coupler and a three-way input circuit electrically connected with the input end of the photoelectric coupler. Implement the utility model discloses be favorable to making the personnel in the room avoid receiving the interference of doorbell response at rest or during operation.

Description

Control device for doorbell
Technical Field
The utility model relates to a control technical field especially relates to a controlling means for doorbell.
Background
The doorbell system can provide convenience for visitors and persons in the house simultaneously, and therefore the doorbell system is more and more widely applied. And for certain application scenarios, such as hotels, for doorbell controls. In particular, the doorbell control device in a hotel needs to avoid the interference of doorbell response (e.g. the doorbell makes a prompt sound when the doorbell switch outside the house is triggered) to the personnel in the house during rest or work.
Therefore, it is necessary to develop a control device for a doorbell to facilitate the personnel in the house to avoid the interference of the response of the doorbell during the rest or work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a controlling means for doorbell is provided, be favorable to making the interior personnel of room at rest or during operation, avoid receiving the interference of doorbell response.
In order to solve the technical problem, the utility model discloses a control device for a doorbell, which comprises a microcontroller, an indicator light module and a doorbell module,
the doorbell module is electrically connected with a first output end of the microcontroller;
the indicating lamp module comprises a plurality of indicating lamp groups, the indicating lamp groups are powered by an alternating current power supply, and each indicating lamp group comprises a live wire connecting end, a zero line connecting end and a ground wire connecting end;
the indicating lamp set is electrically connected with the first input end of the microcontroller through a conversion circuit, the conversion circuit comprises a photoelectric coupler and a three-way input circuit electrically connected with the input end of the photoelectric coupler, wherein,
one end of the first input circuit is electrically connected with the live wire connecting end, and the other end of the first input circuit is electrically connected with the first input end of the photoelectric coupler;
one end of a second input circuit is electrically connected with the zero line connecting end, and the other end of the second input circuit is electrically connected with a second input end of the photoelectric coupler;
one end of a third input circuit is electrically connected with the ground wire connecting end, and the other end of the third input circuit is electrically connected with a second input end of the photoelectric coupler;
the first output end of the photoelectric coupler is electrically connected with the first input end of the microcontroller, and the second output end of the photoelectric coupler is grounded.
It can be seen, the utility model discloses in, this a controlling means for doorbell is favorable to making personnel in the room at rest or during operation, avoid receiving the interference of doorbell response, in particular, converting circuit's setting, the signal of telecommunication that is favorable to realizing the break-make/break-make of pilot lamp group turns into the high efficiency of the signal of telecommunication of transmission to microcontroller's first input, on the other hand is favorable to reducing the microcontroller who is connected with this photoelectric coupler's first output electricity and receives the undulant risk that interferes from the fluctuation of the signal of telecommunication of break-make/break-make of pilot lamp group, further be favorable to this a controlling means for doorbell reliability of operation.
As an optional implementation manner, in the present invention, the first input circuit is provided with a first diode and a first resistor, an anode of the first diode is electrically connected to the live wire connection end, and a cathode of the first diode is electrically connected to the first input end of the photoelectric coupler through the first resistor;
the second input circuit is provided with a second diode and a second resistor, the cathode of the second diode is electrically connected with the zero line connecting end, and the anode of the second diode is electrically connected with the second input end of the photoelectric coupler through the second resistor;
the third input circuit is provided with a third diode and a third resistor, the cathode of the third diode is electrically connected with the ground wire connecting end, and the anode of the third diode is electrically connected with the second connecting end of the photoelectric coupler through the third resistor.
As an optional implementation manner, in the present invention, the conversion circuit further includes a fourth diode, a cathode of the fourth diode is electrically connected to the first input terminal of the photoelectric coupler, and an anode of the fourth diode is electrically connected to the second input terminal of the photoelectric coupler.
As an alternative embodiment, in the present invention, the doorbell module comprises a doorbell, an electromagnetic relay, and a drive circuit, wherein,
one contact end of the electromagnetic relay is electrically connected with one end of the doorbell, and the other contact end of the electromagnetic relay is electrically connected with a live wire of the alternating current power supply;
the other end of the doorbell is electrically connected to a zero line of the alternating current power supply;
one end of an electromagnet of the electromagnetic relay is electrically connected with one end of a direct-current power supply, and the other end of the electromagnet of the electromagnetic relay is electrically connected with a first output end of the microcontroller through the driving circuit.
As an alternative embodiment, in the present invention, the driving circuit includes a triode and a fifth diode connected in parallel with the electromagnet of the electromagnetic relay, wherein,
the grid electrode of the triode is electrically connected with the first output end of the microcontroller, the emitting electrode of the triode is grounded, and the source electrode of the triode is electrically connected with the anode of the fifth diode.
As an optional implementation manner, the present invention is characterized in that the control device further comprises an RS-485 communication module electrically connected to the I/O terminal of the microcontroller, and the RS-485 communication module is provided with an RS-485 transceiver.
As an optional implementation manner, in the present invention, the control device further includes a touch module electrically connected to the second input terminal of the microcontroller, and the touch module includes a touch key and a touch chip electrically connected to the touch key.
As an optional implementation manner, in the present invention, the indicator light set includes a red indicator light, a blue indicator light and a green indicator light, wherein the red indicator light, the blue indicator light and the green indicator light are respectively electrically connected to the corresponding ground of the three second outputs of the microcontroller.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control device for a doorbell according to an embodiment of the present invention;
fig. 2 is a circuit schematic diagram of a conversion circuit according to an embodiment of the present invention;
fig. 3 is the utility model discloses doorbell module's circuit schematic diagram.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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 terms "first," "second," and the like in the description and in the claims, are used for distinguishing between different objects and not necessarily for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1, a control device for a doorbell according to an embodiment of the present invention includes a microcontroller, an indicator light module, and a doorbell module,
the doorbell module is electrically connected with a first output end of the microcontroller;
the indicating lamp module comprises a plurality of indicating lamp groups, the indicating lamp groups are powered by an alternating current power supply, and each indicating lamp group comprises a live wire connecting end, a zero line connecting end and a ground wire connecting end;
the indicator light set is electrically connected to the first input terminal of the microcontroller through a switching circuit, as shown in fig. 2, the switching circuit includes a photocoupler U1 and a three-way input circuit electrically connected to the input terminal of the photocoupler U1, wherein,
one end of the first input circuit 100 is electrically connected with the live wire connecting end PLW, and the other end of the first input circuit 100 is electrically connected with a first input end of a photoelectric coupler U1;
one end of the second input circuit 200 is electrically connected with the zero line connecting end N, and the other end of the second input circuit 200 is electrically connected with a second input end of the photoelectric coupler U1;
one end of the third input circuit 300 is electrically connected to the ground connection terminal DGND, and the other end of the third input circuit 300 is electrically connected to the second input terminal of the photocoupler U1;
the first output end of the photoelectric coupler U1 is electrically connected with the first input end PLW _ OUT of the microcontroller, and the second output end of the photoelectric coupler U1 is grounded GND.
The embodiment of the utility model provides an in, the pilot lamp module includes a plurality of pilot lamp group, when the pilot lamp group of difference lights, can be used for showing the situation in the room, for example, do not disturb, please clear up, please wait later. Specifically, the pilot lamp group can set up outside the door, just to visitor's position, and this is convenient for visitor according to the corresponding condition of lighting up of pilot lamp group, learns the situation in the room to be favorable to avoiding visitor's trigger doorbell switch family and disturbing personnel in the room, further, to the application scene in hotel, also can avoid the waiter to use the spare key to open the door and when carrying out daily cleanness, disturb personnel in the room.
The embodiment of the utility model provides an in, the pilot lamp group passes through converting circuit, be connected with microcontroller's first input electricity, converting circuit includes photoelectric coupler U1 and the three routes input circuit of electricity at photoelectric coupler U1's input, wherein, first input circuit 100 is used for realizing that the live wire link PLW of pilot lamp group is connected with photoelectric coupler U1's first input electricity, second input circuit 200 is used for realizing that the zero line link N of pilot lamp group is connected with the electricity of photoelectric coupler U1's second input, third input circuit 300 is used for realizing that the bottom line link of pilot lamp group is connected with the electricity of photoelectric coupler U1's second input. The conversion circuit is used for converting an electric signal representing the on/off of the indicator light set into an electric signal transmitted to a first input end of the microcontroller, wherein the electric signal at the input end of the photoelectric coupler U1 is converted into a light-emitting signal of the light source in the photoelectric coupler U1, so that a photosensitive transistor arranged in the photoelectric coupler U1 corresponding to the light source is conducted, and the light-emitting signal is converted into an electric signal to be output.
The embodiment of the utility model provides an in, microcontroller can be according to the circumstances of the power-on/power-off of pilot lamp group to whether this doorbell module of control is in usable condition, specifically, to in the application scene of hotel, when the circumstances of the power-on/power-off of pilot lamp group represents the situation that is in "do not disturb" in the room, this doorbell module can be controlled to this microcontroller and is in unusable state (promptly after the doorbell switch outside the door triggers, the doorbell does not respond). Optionally, the microcontroller may be an ATMEGA48P model control chip. The control program of the inside required operation of microcontroller that above-mentioned process related to does not belong to the utility model discloses a category, here, the utility model discloses what protect is in the controlling means who is used for the doorbell, the circuit connection relation between microcontroller, pilot lamp module and the doorbell module.
It is visible, in the embodiment of the utility model, this a controlling means for doorbell is favorable to making the interior personnel of room at rest or during operation, avoid receiving the interference of doorbell response, in particular, converting circuit's setting, be favorable to realizing the high efficiency that the signal of telecommunication of the power on/off of pilot lamp group turned into the signal of telecommunication of transmission to microcontroller's first input, on the other hand is favorable to reducing the microcontroller who is connected with the first output electricity of this optoelectronic coupler U1 receives the undulant and the risk of interference of the signal of telecommunication of the power on/off of pilot lamp group, further be favorable to this a controlling means for doorbell reliability of operation.
In the embodiment of the present invention, optionally, as shown in fig. 1, the control device further includes an RS-485 communication module electrically connected to the I/O terminal of the microcontroller, and the RS-485 communication module is provided with an RS-485 transceiver. Further optionally, the RS-485 transceiver may be of the VP3082 type. The communication between the control device and the external control system based on the RS-485 communication protocol is facilitated, and therefore the overall management of the control device by the external control system is facilitated.
In the embodiment of the present invention, optionally, as shown in fig. 1, the control device further includes a touch module electrically connected to the second input terminal of the microcontroller, and the touch module includes a touch key and a touch chip electrically connected to the touch key. Further alternatively, the touch key may be provided outside the door. Further optionally, the touch chip may be of a TS01S model. The visitor outside the door can input an electric signal indicating that the doorbell module is triggered to the microcontroller through the touch module, and further, the doorbell module responds when the doorbell module is in a usable state.
The embodiment of the utility model provides an in, it is optional, this pilot lamp group includes red pilot lamp, blue pilot lamp and green pilot lamp, and wherein, red pilot lamp, blue pilot lamp and green pilot lamp correspond ground electric connection with microcontroller's three second output respectively. Further optionally, the microcontroller may output PWM signals with specific duty ratios to the red indicator light, the blue indicator light, and the green indicator light, respectively, so that the red indicator light, the blue indicator light, and the green indicator light respectively exhibit a plurality of colors under the superposition of the red light, the green light, and the blue light, in alternation of on-and-off states at specific frequencies.
In some embodiments of the present invention, as shown in fig. 2, the first input circuit 100 is provided with a first diode D2 and a first resistor R4, an anode of the first diode D2 is electrically connected to the live wire connection end PLW, and a cathode of the first diode D2 is electrically connected to a first input end of the photocoupler U1 through the first resistor R4;
the second input circuit 200 is provided with a second diode D3 and second resistors R1 and R10, the cathode of the second diode D3 is electrically connected with the neutral connection end N, and the anode of the second diode D3 is electrically connected with the second input end of the photocoupler U1 through the second resistors R1 and R10;
the third input circuit 300 includes a third diode D4 and a third resistor R5, a cathode of the third diode D4 is electrically connected to the ground connection DGND, and an anode of the third diode D4 is electrically connected to a second connection terminal of the photocoupler U1 through the third resistor R5.
In this embodiment, the three input circuits in the conversion circuit are respectively provided with the first diode D2, the second diode D3 and the third diode D4, which is beneficial to limiting the direction of the current on the corresponding input circuit, so as to reduce the risk of damage to the electrical components caused by the reverse current on the corresponding input circuit; the three-way input circuit in the conversion circuit is respectively provided with the first resistor R4, the second resistor R1, the R10 and the third resistor R5, and the current limiting function is realized on the corresponding input circuit, so that the risk of damage to electric elements caused by overlarge current on the corresponding input circuit is reduced.
In this embodiment, the conversion circuit further includes a fourth diode D11, a cathode of the fourth diode D11 is electrically connected to the first input terminal of the photocoupler U1, and an anode of the fourth diode D11 is electrically connected to the second input terminal of the photocoupler U1.
In this embodiment, the fourth diode D11 is provided to limit the current direction between the first input terminal and the second input terminal of the photocoupler U1, so as to reduce the risk of damage to the photocoupler U1 caused by reverse current.
In other embodiments of the present invention, the doorbell module comprises a doorbell, an electromagnetic relay, and a drive circuit, wherein, as shown in figure 3,
one contact terminal COM1 of the RELAY RELAY1 is electrically connected with one end of the doorbell, and the other contact terminal NO1 of the RELAY RELAY1 is electrically connected with the live wire of the alternating current power supply;
the other end of the doorbell is electrically connected to a zero line of an alternating current power supply;
one end of the electromagnet of the RELAY RELAY1 is electrically connected with one end of the DC power supply, namely +12V, and the other end of the electromagnet of the RELAY RELAY1 is electrically connected with a first output end D3 of the microcontroller through a driving circuit.
In this embodiment, the microcontroller may control the electromagnet to be energized through the driving circuit, so that the doorbell module is in a usable state, and when two contacts of the RELAY1 are closed, a passage is formed between the doorbell and the ac power supply, and the doorbell is started.
In this embodiment, further, the driving circuit includes a transistor Q1 and a fifth diode D1 connected in parallel with the electromagnet of the RELAY1, wherein,
the gate of the transistor Q1 is electrically connected to the first output D3 of the microcontroller, the emitter of the transistor Q1 is grounded, and the source of the transistor Q1 is electrically connected to the anode of the fifth diode D1.
In this embodiment, the fifth diode D1 is beneficial to limiting the current output by the dc power supply to be transmitted to the source of the transistor Q1 through the electromagnet, so as to reduce the risk of damage to the transistor Q1 caused by the direct connection between the dc power supply and the source of the transistor Q1. Specifically, the transistor Q1 may be an NPN transistor Q1, and when the microcontroller outputs a high level to the source of the transistor Q1, the transistor Q1 is turned on, so that a path is formed between the electromagnet and the dc power source, i.e., the electromagnet is energized.
Finally, it should be noted that: the control device for a doorbell disclosed in the embodiments of the present invention is only a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (8)

1. A control device for a doorbell is characterized by comprising a microcontroller, an indicator light module and a doorbell module,
the doorbell module is electrically connected with a first output end of the microcontroller;
the indicating lamp module comprises a plurality of indicating lamp groups, the indicating lamp groups are powered by an alternating current power supply, and each indicating lamp group comprises a live wire connecting end, a zero line connecting end and a ground wire connecting end;
the indicating lamp set is electrically connected with the first input end of the microcontroller through a conversion circuit, the conversion circuit comprises a photoelectric coupler and a three-way input circuit electrically connected with the input end of the photoelectric coupler, wherein,
one end of the first input circuit is electrically connected with the live wire connecting end, and the other end of the first input circuit is electrically connected with the first input end of the photoelectric coupler;
one end of a second input circuit is electrically connected with the zero line connecting end, and the other end of the second input circuit is electrically connected with a second input end of the photoelectric coupler;
one end of a third input circuit is electrically connected with the ground wire connecting end, and the other end of the third input circuit is electrically connected with a second input end of the photoelectric coupler;
the first output end of the photoelectric coupler is electrically connected with the first input end of the microcontroller, and the second output end of the photoelectric coupler is grounded.
2. The control device for a doorbell of claim 1 wherein,
the first input circuit is provided with a first diode and a first resistor, the anode of the first diode is electrically connected with the live wire connecting end, and the cathode of the first diode is electrically connected with the first input end of the photoelectric coupler through the first resistor;
the second input circuit is provided with a second diode and a second resistor, the cathode of the second diode is electrically connected with the zero line connecting end, and the anode of the second diode is electrically connected with the second input end of the photoelectric coupler through the second resistor;
the third input circuit is provided with a third diode and a third resistor, the cathode of the third diode is electrically connected with the ground wire connecting end, and the anode of the third diode is electrically connected with the second connecting end of the photoelectric coupler through the third resistor.
3. The control device for a doorbell of claim 2, wherein the switching circuit further comprises a fourth diode, a cathode of the fourth diode being electrically connected to the first input of the optocoupler, and an anode of the fourth diode being electrically connected to the second input of the optocoupler.
4. The control device for a doorbell of claim 1 wherein the doorbell module comprises a doorbell, an electromagnetic relay, and a drive circuit, wherein,
one contact end of the electromagnetic relay is electrically connected with one end of the doorbell, and the other contact end of the electromagnetic relay is electrically connected with a live wire of the alternating current power supply;
the other end of the doorbell is electrically connected to a zero line of the alternating current power supply;
one end of an electromagnet of the electromagnetic relay is electrically connected with one end of a direct-current power supply, and the other end of the electromagnet of the electromagnetic relay is electrically connected with a first output end of the microcontroller through the driving circuit.
5. The control device for a doorbell of claim 4, wherein the drive circuit comprises a transistor and a fifth diode in parallel with an electromagnet of the electromagnetic relay, wherein,
the grid electrode of the triode is electrically connected with the first output end of the microcontroller, the emitting electrode of the triode is grounded, and the source electrode of the triode is electrically connected with the anode of the fifth diode.
6. The control device for a doorbell according to any one of the claims 1 to 5, further comprising an RS-485 communication module electrically connected to the I/O terminal of the microcontroller, said RS-485 communication module being provided with an RS-485 transceiver.
7. The control device for the doorbell of any one of claims 1 to 5, further comprising a touch module electrically connected to the second input of the microcontroller, the touch module comprising a touch key and a touch chip electrically connected to the touch key.
8. The control device for a doorbell according to any one of claims 1 to 5, wherein the set of indicator lights comprises a red indicator light, a blue indicator light and a green indicator light, wherein the red indicator light, the blue indicator light and the green indicator light are electrically connected to the respective three second outputs of the microcontroller.
CN202120980242.7U 2021-05-08 2021-05-08 Control device for doorbell Active CN215182311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120980242.7U CN215182311U (en) 2021-05-08 2021-05-08 Control device for doorbell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120980242.7U CN215182311U (en) 2021-05-08 2021-05-08 Control device for doorbell

Publications (1)

Publication Number Publication Date
CN215182311U true CN215182311U (en) 2021-12-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120980242.7U Active CN215182311U (en) 2021-05-08 2021-05-08 Control device for doorbell

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CN (1) CN215182311U (en)

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