CN217588251U - Non-contact doorbell control circuit - Google Patents

Abstract

The utility model discloses a non-contact doorbell control circuit, which comprises a non-contact module and a first controller, wherein the non-contact module is used for outputting a detection signal when detecting that an object and/or a human body approaches; the first controller is connected with the non-contact module and used for receiving the detection signal and controlling output according to the detection signal so as to control and send out a prompt signal in a wired and/or wireless mode. Therefore, when the visitor needs to inform the householder to open the door, the visitor needs to approach the hands to the non-contact module, the movement information of the visitor can be movably detected through the non-contact module, the visitor can know the family members through the first controller, the contact between the hands of the visitor and the doorbell is avoided as much as possible, and therefore the probability of mutual infection of infectious diseases caused by the contact is reduced.

Description

Non-contact doorbell control circuit

Technical Field

The utility model relates to a doorbell technical field especially relates to a non-contact doorbell control circuit.

Background

When the prior doorbell is used for caller announcement, a guest needs to directly contact and press a button, and the contact between the hand of the guest and the doorbell is avoided as much as possible under the ring of the pandemic, so that the probability of infectious diseases mutual infection caused by contact is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a contactless doorbell control circuit.

In order to achieve the above object, an embodiment of the present invention provides a non-contact doorbell control circuit, including:

the non-contact module is used for outputting a detection signal when detecting that an object and/or a human body approaches;

and the first controller is connected with the non-contact module and used for receiving the detection signal, controlling output according to the detection signal and controlling to send out a prompt signal in a wired and/or wireless mode.

Further, according to an embodiment of the present invention, the non-contact module includes:

a proximity sensor;

and the proximity controller is connected with the proximity sensor to sample signals of the proximity sensor and generate the detection signals according to the sampled signals.

Further, according to the utility model discloses an embodiment, non-contact doorbell control circuit still includes:

and the sensitivity adjusting circuit is connected with the adjusting control end of the proximity controller so as to adjust and control the sensitivity of the proximity controller.

Further, according to an embodiment of the present invention, the sensitivity adjustment circuit includes:

one end of the resistor R318 is connected with the adjusting control end of the proximity controller;

and a digital-to-analog conversion end of the second controller is connected with the other end of the resistor R318 to output a voltage regulation signal to regulate and control the sensitivity of the proximity controller.

Further, according to an embodiment of the present invention, the sensitivity adjustment circuit further includes:

one end of the resistor R316 is connected with the adjusting control end of the proximity controller, and the other end of the resistor R316 is connected with a power supply;

and one end of the resistor R317 is connected with the adjusting control end of the proximity controller, and the other end of the resistor R317 is connected with the reference ground.

Further, according to the utility model discloses an embodiment, first controller sends cue signal through WIFI wireless communication control suggestion equipment.

Further, according to the utility model discloses an embodiment, non-contact doorbell control circuit still includes:

a first connector connected with the proximity controller;

and the first controller and the second controller are respectively connected with the first connector through the second connector.

Further, according to the utility model discloses an embodiment, non-contact doorbell control circuit still includes:

the camera module is connected with the first controller to acquire image information.

Further, according to the utility model discloses an embodiment, non-contact doorbell control circuit still includes:

and the loudspeaker module is connected with the first controller so as to output an audio prompt signal under the control of the first controller.

The embodiment of the utility model provides a non-contact doorbell control circuit, when being used for detecting that there is an object and/or human body to approach through the non-contact module, output the detection signal; the first controller is connected with the non-contact module and used for receiving the detection signal and controlling output according to the detection signal so as to control and send out a prompt signal in a wired and/or wireless mode. Therefore, when the visitor needs to inform the householder to open the door, the visitor needs to approach the hands to the non-contact module, the movement information of the visitor can be movably detected through the non-contact module, the visitor can know the family members through the first controller, the contact between the hands of the visitor and the doorbell is avoided as much as possible, and therefore the probability of mutual infection of infectious diseases caused by the contact is reduced.

Drawings

Fig. 1 is a block diagram of a contactless doorbell control circuit according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a non-contact module and a first connector according to an embodiment of the present invention;

fig. 3 is a circuit block diagram of a second controller and a second connector provided in the embodiment of the present invention;

fig. 4 is a circuit structure diagram of a first controller according to an embodiment of the present invention.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

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 may be combined with other embodiments.

Referring to fig. 1 to 4, a contactless doorbell control circuit includes: the device comprises a non-contact module and a first controller U4, wherein the non-contact module is used for outputting a detection signal when detecting that an object and/or a human body approaches; as shown in fig. 1 and 2, the non-contact module may include: a proximity sensor and a proximity controller U20, wherein the proximity controller U20 is connected with the proximity sensor to sample the signal of the proximity sensor and generate the detection signal according to the sampled signal. When the wireless sensor is used, a wireless signal is sent to the outside through the proximity sensor. After the wireless signal hits an obstacle (for example, a palm of a visitor), the wireless signal returns, the return signal is output through the proximity sensor, when an obstacle approaches, the input signal of the proximity controller U20 is converted into a variable level voltage due to an originally fixed level voltage, and whether an obstacle such as a finger approaches can be acquired by detecting an output dynamic level voltage of the proximity sensor through the proximity controller U20.

The first controller U4 is connected with the non-contact module and used for receiving the detection signal and controlling output according to the detection signal so as to control and send out a prompt signal in a wired and/or wireless mode. Whether obstacles such as fingers approach or not can be detected through the proximity controller U20, when the obstacles such as the finger lamp approach is detected, a corresponding signal can be output to the first controller U4, and the finger approach operation of the user can be responded through the first controller U4. For example, when a finger of a visitor approaches the proximity sensor, the finger is detected by the proximity controller U20, and a signal is output to the first controller U4, and the first controller U4 responds to the signal accordingly. For example, a signal can be sent to a host mobile phone in a WIFI wireless mode, and people outside the house are informed of visiting. In some other embodiments, the doorbell module may also be controlled to send out the doorbell prompt signal in a wired manner.

The embodiment of the utility model provides a non-contact doorbell control circuit, when being used for detecting that there is an object and/or human body to approach through the non-contact module, output the detection signal; the first controller U4 is connected with the non-contact module and used for receiving the detection signal and controlling output according to the detection signal so as to control and send out a prompt signal in a wired and/or wireless mode. Therefore, when the visitor needs to inform the householder to open the door, the visitor needs to approach the hands to the non-contact module, the movement information of the visitor can be movably detected through the non-contact module, the family members can be informed through the first controller U4, the contact between the hands of the visitor and the doorbell is avoided as much as possible, and therefore the probability of infectious disease mutual infection caused by the contact is reduced.

Referring to fig. 1, the contactless doorbell control circuit further comprises: and the sensitivity adjusting circuit is connected with the adjusting control end of the proximity controller U20 so as to adjust and control the sensitivity of the proximity controller U20. As shown in fig. 1, the proximity controller U20 can be sensitivity-adjusted by the sensitivity adjustment circuit. In some applications, the proximity controller U20 may be adjusted to be more sensitive so that when the finger is moved a further distance from the proximity sensor, an obstacle may also be detected. Further avoiding contact between the visitor's finger and the proximity sensor. Thereby further reducing the phenomenon of bacterial or viral transmission due to contact.

Referring to fig. 2 and 3, the sensitivity adjustment circuit includes: the device comprises a resistor R318 and a second controller U8, wherein one end of the resistor R318 is connected with the adjusting control end of the proximity controller U20; the digital-to-analog conversion end of the second controller U8 is connected to the other end of the resistor R318 to output a voltage adjustment signal for adjusting and controlling the sensitivity of the proximity controller U20. As shown in fig. 3, the second controller U8 outputs an analog voltage signal through a digital-to-analog conversion interface P1_6 (DAC interface), and outputs the analog voltage signal to the regulation control terminal of the proximity controller U20 through a resistance R318 and a resistance R312 through a sense _ adjust signal terminal. The second controller U8 outputs different voltage values, so that the voltage sampling sensitivity of the proximity controller U20 can be adjusted and controlled.

Referring to fig. 2, the sensitivity adjustment circuit further includes: one end of the resistor R316 is connected with the adjusting control end of the proximity controller U20, and the other end of the resistor R316 is connected with a power supply SYS _3V 3; one end of the resistor R317 is connected with the adjustment control end of the proximity controller U20, and the other end of the resistor R317 is connected with a reference ground. As shown in fig. 2, the resistor R316 and the resistor R317 form a voltage dividing circuit, so that the power supply SYS _3V3 is divided and then output to the adjustment control terminal of the proximity controller U20. Thereby providing the proximity controller U20 with an initial voltage that provides the proximity controller U20 with a relatively suitable operational sensitivity to ensure that the proximity controller is operating properly. When, during use, the sensitivity of the proximity controller U20 needs to be further adjusted, the control can be further adjusted by said second controller U8.

Further, in an embodiment of the utility model, first controller U4 sends the prompt signal through WIFI wireless communication control suggestion equipment. The utility model discloses an embodiment, the suggestion equipment can be cell-phone or doorbell module, first controller U4 is connected with cell-phone or doorbell module through wireless mode, like this, when detecting that there is the visitor to arrive, accessible WIFI's mode suggestion householder. In other embodiments, the doorbell module may also be controlled by wire to sound a doorbell to prompt the homeowner.

Referring to fig. 2 and 3, the contactless doorbell control circuit further comprises: a first connector J12 and a second connector J7, the first connector J12 being connected with the proximity controller U20; as shown in fig. 2, the control interface of the proximity controller U20 can be led out through the first connector J12 to facilitate electrical connection with other controllers.

The first controller U4 and the second controller U8 are connected to the first connector J12 through the second connector J7, respectively. As shown in fig. 3, part of the control interfaces of the first controller U4 and the second controller U8 can be led out through the second connector J7. In use, the input/output signal terminals of the proximity controller U20 and the output/output signal terminals of the first connector J12 and the second connector J7 are connected by connecting the first connector J12 and the second connector J7 to each other. By the detachable connection of the first connector J12 and the second connector J7, the mounting and dismounting between the non-contact module and the first controller U4 and the second controller U8 can be facilitated.

Referring to fig. 1, the contactless doorbell control circuit further comprises: and the camera module is connected with the first controller U4 to acquire image information. As shown in fig. 3, the first controller U4 may be a digital signal processor DSP. In this way, the video image signal can be better processed. Through the camera module, the image information of the corresponding position of the non-contact module can be collected, so that a householder can conveniently obtain the image information of a visitor.

Referring to fig. 1, the contactless doorbell control circuit further comprises: and the loudspeaker module is connected with the first controller U4 so as to output an audio prompt signal under the control of the first controller U4. The sound can be sent to the visitor through the loudspeaker module so as to prompt the visitor.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalent substitutions can be made on the technical solutions described in the foregoing embodiments or some technical features thereof. All utilize the equivalent structure that the content of the utility model discloses a specification and attached drawing was done, direct or indirect application is in other relevant technical field, all is in the same way the utility model discloses within the patent protection scope.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention.

Claims (9)

1. A contactless doorbell control circuit, comprising:

the non-contact module is used for outputting a detection signal when detecting that an object and/or a human body approaches;

and the first controller is connected with the non-contact module and used for receiving the detection signal, controlling output according to the detection signal and sending out a prompt signal in a wired and/or wireless mode.

2. The contactless doorbell control circuit of claim 1, wherein the contactless module comprises:

a proximity sensor;

the proximity controller is connected with the proximity sensor to sample signals of the proximity sensor and generate the detection signals according to the sampled signals.

3. The contactless doorbell control circuit of claim 2, further comprising:

and the sensitivity adjusting circuit is connected with the adjusting control end of the proximity controller so as to adjust and control the sensitivity of the proximity controller.

4. The contactless doorbell control circuit of claim 3, wherein the sensitivity adjustment circuit comprises:

one end of the resistor R318 is connected with the adjusting control end of the proximity controller;

and a digital-to-analog conversion end of the second controller is connected with the other end of the resistor R318 to output a voltage regulation signal so as to regulate and control the sensitivity of the proximity controller.

5. The contactless doorbell control circuit of claim 4, wherein the sensitivity adjustment circuit further comprises:

one end of the resistor R316 is connected with the adjusting control end of the proximity controller, and the other end of the resistor R316 is connected with a power supply;

and one end of the resistor R317 is connected with the adjusting control end of the proximity controller, and the other end of the resistor R317 is connected with the reference ground.

6. The contactless doorbell control circuit of claim 2, wherein the first controller controls the prompting device to emit the prompting signal via WIFI wireless communication.

7. The contactless doorbell control circuit of claim 4, further comprising:

a first connector connected with the proximity controller;

and the first controller and the second controller are respectively connected with the first connector through the second connector.

8. The contactless doorbell control circuit of claim 1, further comprising:

the camera module is connected with the first controller to acquire image information.

9. The contactless doorbell control circuit of claim 8, further comprising:

and the loudspeaker module is connected with the first controller so as to output an audio prompt signal under the control of the first controller.

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