CN211979787U - Intelligent doorbell - Google Patents
Intelligent doorbell Download PDFInfo
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- CN211979787U CN211979787U CN201922435744.7U CN201922435744U CN211979787U CN 211979787 U CN211979787 U CN 211979787U CN 201922435744 U CN201922435744 U CN 201922435744U CN 211979787 U CN211979787 U CN 211979787U
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Abstract
The utility model provides an intelligent doorbell, which comprises a doorbell, a sound acquisition module, a sound identification module, a wireless signal sending module, a wireless signal receiving module and a sensing terminal; the sound acquisition module comprises a sound acquisition circuit; the voice recognition module comprises a voice recognition circuit, the input end of the voice recognition circuit is connected with the output end of the voice acquisition circuit, and the voice recognition circuit is used for comparing and recognizing the audio signal sent by the voice acquisition module; the wireless signal transmitting module comprises a wireless signal transmitting circuit, and the input end of the wireless signal transmitting circuit is connected with the output end of the voice recognition circuit; the wireless signal receiving module comprises a wireless signal receiving circuit, the input end of the wireless signal receiving circuit is wirelessly connected with the output end of the wireless signal sending circuit, and the input end of the sensing terminal is connected with the output end of the wireless signal receiving circuit. The utility model discloses an intelligence doorbell can distinguish doorbell prompt tone and ambient sound, can make the real perception doorbell developments of user, prevents that ambient sound misleads perception terminal response.
Description
Technical Field
The utility model belongs to the technical field of the doorbell, concretely relates to intelligent doorbell.
Background
The traditional doorbell mainly adopts voice prompt, but the application range of the traditional doorbell is greatly limited due to the single voice prompt function. Especially for users with hearing impairment (such as deaf people or old people with hearing attenuation), the users cannot respond in time only by voice prompt, which brings great inconvenience to the interviewees and the users.
The prior art triggers LED lamp and glistens and the buzzer sound production through the promotion sound that detects doorbell production, and the personage's perception visitor of hearing disorder of being convenient for. However, general sound detection can only simply detect whether sound exists or not, or the sound level, due to the influence of the environment, various sounds are transmitted indoors regardless of a home or outdoors, including media music, television sound and speaking sound, even outdoor automobile horn sound, firecracker sound and the like, so that the detection unit detects various mixed sounds, the sounds of a doorbell cannot be distinguished, and a control unit is easy to send out wrong instructions, so that an LED lamp flashes and a buzzer sounds.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an intelligent doorbell.
The utility model discloses a following technical scheme realizes:
an intelligent doorbell comprises a doorbell, a wireless signal receiving module and a sensing terminal; the doorbell alarm device further comprises a sound acquisition module, wherein the sound acquisition module comprises a sound acquisition circuit, and the sound acquisition circuit is used for acquiring audio signals of doorbell prompt tones and environmental sounds;
the voice recognition module comprises a voice recognition circuit, the input end of the voice recognition circuit is connected with the output end of the voice acquisition circuit, and the voice recognition circuit is used for comparing and recognizing the audio signal sent by the voice acquisition module;
the voice recognition device also comprises a wireless signal sending module, wherein the wireless signal sending module comprises a wireless signal sending circuit, and the input end of the wireless signal sending circuit is connected with the output end of the voice recognition circuit;
the voice acquisition circuit, the voice recognition circuit and the wireless signal sending circuit are respectively electrically connected with the power supply, and the power supply can provide electric energy;
the wireless signal receiving module comprises a wireless signal receiving circuit, the input end of the wireless signal receiving circuit is wirelessly connected with the output end of the wireless signal sending circuit, the input end of the sensing terminal is connected with the output end of the wireless signal receiving circuit, and a user, particularly a person with hearing impairment, can sense the dynamics of a doorbell through the sensing terminal;
when the sensing terminal works, the sound acquisition circuit sends acquired audio signals to the sound identification circuit, the sound identification circuit can compare the frequency of the input audio signals with the set frequency of the input audio signals and filter the frequency of the audio signals of environmental sounds, if the frequency of the input audio signals is the same as the set frequency of the input audio signals, the sound identification circuit outputs control signals, the wireless signal sending circuit receives the control signals output by the sound identification circuit and sends wireless signals to the wireless signal receiving module, and the wireless signal receiving module starts the sensing terminal after receiving the signals. This intelligence doorbell can distinguish doorbell prompt tone and environmental sound, can filtering environmental sound's influence, and only when the doorbell sent the prompt tone, the sound identification circuit just sent control signal to wireless signal receiving module through wireless signal sending module, made the perception terminal response.
Further inject, the sound collection module still includes sound amplifier circuit, and sound amplifier circuit's input is connected sound collection circuit's output, and sound identification circuit's input is connected to sound amplifier circuit's output, and sound amplifier circuit can send the audio signal that sound collection circuit sent to sound identification circuit after enlargiing, makes sound identification circuit ability contrast discernment more accurate.
Further defined, the sound collection circuit includes a microphone.
Further defined, the sound amplification circuit includes a sound amplifier.
Further define, the sound identification circuit includes LM567 frequency discrimination chip and study circuit, the study circuit is used for setting up the central frequency bandwidth of LM567 frequency discrimination chip, the input of LM567 frequency discrimination chip is connected respectively to the output of sound amplification circuit's output and study circuit, and the input of wireless signal sending circuit is connected to LM567 frequency discrimination chip's output.
Further, the learning circuit comprises a electrodeless frequency modulation switch, and the electrodeless frequency modulation switch can control the learning circuit to set the central frequency bandwidth of the LM567 frequency discrimination chip.
Further defined, the wireless signal transmitting circuit and the wireless signal receiving circuit respectively comprise a wireless signal transmitter and a wireless signal receiver.
Further in a limited way, the sensing terminal comprises an LED lamp and a buzzer.
According to the above technical scheme, the utility model provides a pair of intelligent doorbell, beneficial effect lies in: the intelligent doorbell can distinguish a doorbell prompt tone from an environmental sound, can filter the influence of the environmental sound, and only when the doorbell gives out the prompt tone, the sound identification circuit sends a control signal to the wireless signal receiving module through the wireless signal sending module so as to enable the sensing terminal to respond; the intelligent doorbell enables a user to truly perceive doorbell dynamics, and prevents environmental sound from misleading perception terminal response.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, an intelligent doorbell comprises a doorbell, a sound collection module, a sound identification module, a wireless signal sending module, a power supply, a wireless signal receiving module and a sensing terminal;
the sound acquisition module comprises a sound acquisition circuit and a sound amplification circuit, the sound acquisition circuit comprises a microphone, the sound amplification circuit comprises a sound amplifier, the microphone is used for acquiring audio signals of doorbell prompt tones and environmental sounds, and the input end of the sound amplifier is connected with the output end of the microphone;
the voice recognition module comprises a voice recognition circuit, the voice recognition circuit comprises an LM567 frequency discrimination chip and a learning circuit, the learning circuit is used for setting the central frequency bandwidth of the LM567 frequency discrimination chip, the output end of the voice amplifier and the output end of the learning circuit are respectively connected with the input end of the LM567 frequency discrimination chip, the LM567 frequency discrimination chip can compare the frequency of an input audio signal with the set central frequency bandwidth, the voice amplifier can amplify an audio signal sent by a microphone and then send the audio signal to the LM567 frequency discrimination chip, and the LM567 frequency discrimination chip can be more accurately compared and recognized;
the learning circuit comprises a electrodeless frequency modulation switch, and the electrodeless frequency modulation switch can control the learning circuit to set the central frequency bandwidth of the LM567 frequency discrimination chip;
the wireless signal transmitting module comprises a wireless signal transmitting circuit, the wireless signal transmitting circuit comprises a wireless signal transmitter, and the input end of the wireless signal transmitter is connected with the output end of the LM567 frequency discrimination chip;
the microphone, the sound amplifier, the LM567 frequency discrimination chip, the learning circuit and the wireless signal transmitter are respectively electrically connected with a power supply, and the power supply can provide electric energy;
the wireless signal receiving module comprises a wireless signal receiving circuit, the wireless signal receiving circuit comprises a wireless signal receiver, the input end of the wireless signal receiver is wirelessly connected with the output end of the wireless signal transmitter, the sensing terminal comprises an LED lamp and a buzzer, the input end of the LED lamp and the input end of the buzzer are respectively connected with the output end of the wireless signal receiver, and users, particularly hearing-impaired people, can sense the dynamics of a doorbell through the LED lamp and/or the buzzer.
The working principle of the embodiment is as follows:
when the intelligent doorbell is installed, the center frequency of an LM567 frequency discrimination chip is preset; specifically, the circuit power is turned on; pressing a learning key of the wireless signal receiver, pressing the learning key of the wireless signal transmitter after the red light is on, transmitting a wireless signal by the wireless signal transmitter, and flashing the red light of the wireless signal receiver to finish code matching; enabling a doorbell to sound, adjusting the electrodeless frequency modulation switch until the LED lamp and the buzzer respond, and stopping adjusting the electrodeless frequency modulation switch, wherein the position at the moment is the position of sound identification and is fixed later, namely the setting of the central frequency bandwidth of the LM567 frequency discrimination chip is finished;
when the microphone works, the microphone collects audio signals in real time, the collected audio signals may include doorbell prompt tones and/or environmental sounds, and the collected audio signals are sent to the sound amplifier; the sound amplifier amplifies the audio signal and sends the amplified audio signal to an LM567 frequency discrimination chip of the sound identification circuit; the LM567 frequency discrimination chip compares the frequency of the input audio signal with the central frequency bandwidth set by the learning circuit and filters the frequency of the audio signal of the environmental sound; if the frequency of the input audio signal is the same as the set central frequency bandwidth, the LM567 frequency discrimination chip outputs a control signal, and if the frequency of the input audio signal is different from the set central frequency bandwidth, the LM567 frequency discrimination chip does not output the control signal; the wireless signal transmitter receives a control signal sent by the LM567 frequency discrimination chip and sends a wireless signal to the wireless signal receiver; after the wireless signal receiver receives the signal, the LED lamp lights, and the buzzer sounds an alarm. The intelligent doorbell can distinguish a doorbell prompt tone from an environmental sound, can filter the influence of the environmental sound, and only when the doorbell gives out the prompt tone, the sound identification circuit sends a control signal to the wireless signal receiving module through the wireless signal sending module so as to enable the sensing terminal to respond; the intelligent doorbell enables a user to truly perceive doorbell dynamics, and prevents environmental sound from misleading perception terminal response.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that the practice of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides an intelligent doorbell, includes doorbell, wireless signal receiving module and perception terminal, its characterized in that: the doorbell alarm device further comprises a sound acquisition module, wherein the sound acquisition module comprises a sound acquisition circuit, and the sound acquisition circuit is used for acquiring audio signals of doorbell prompt tones and environmental sounds;
the voice recognition module comprises a voice recognition circuit, the input end of the voice recognition circuit is connected with the output end of the voice acquisition circuit, and the voice recognition circuit is used for comparing and recognizing the audio signal sent by the voice acquisition module;
the voice recognition device also comprises a wireless signal sending module, wherein the wireless signal sending module comprises a wireless signal sending circuit, and the input end of the wireless signal sending circuit is connected with the output end of the voice recognition circuit;
the voice acquisition circuit, the voice recognition circuit and the wireless signal sending circuit are respectively and electrically connected with the power supply;
the wireless signal receiving module comprises a wireless signal receiving circuit, the input end of the wireless signal receiving circuit is wirelessly connected with the output end of the wireless signal sending circuit, and the input end of the sensing terminal is connected with the output end of the wireless signal receiving circuit.
2. The intelligent doorbell of claim 1, wherein: the voice acquisition module further comprises a voice amplification circuit, the input end of the voice amplification circuit is connected with the output end of the voice acquisition circuit, and the output end of the voice amplification circuit is connected with the input end of the voice recognition circuit.
3. The intelligent doorbell of claim 2, wherein: the sound collection circuit includes a microphone.
4. The intelligent doorbell of claim 2, wherein: the sound amplification circuit includes a sound amplifier.
5. The intelligent doorbell of claim 2, wherein: the voice recognition circuit comprises an LM567 frequency discrimination chip and a learning circuit, the learning circuit is used for setting the central frequency bandwidth of the LM567 frequency discrimination chip, the output end of the voice amplification circuit and the output end of the learning circuit are respectively connected with the input end of the LM567 frequency discrimination chip, and the output end of the LM567 frequency discrimination chip is connected with the input end of the wireless signal sending circuit.
6. The intelligent doorbell of claim 5, wherein: the learning circuit comprises a electrodeless frequency modulation switch.
7. The intelligent doorbell of claim 1, wherein: the wireless signal transmitting circuit and the wireless signal receiving circuit respectively comprise a wireless signal transmitter and a wireless signal receiver.
8. The intelligent doorbell of claim 1, wherein: the perception terminal comprises an LED lamp and a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435744.7U CN211979787U (en) | 2019-12-30 | 2019-12-30 | Intelligent doorbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435744.7U CN211979787U (en) | 2019-12-30 | 2019-12-30 | Intelligent doorbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211979787U true CN211979787U (en) | 2020-11-20 |
Family
ID=73368843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922435744.7U Active CN211979787U (en) | 2019-12-30 | 2019-12-30 | Intelligent doorbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211979787U (en) |
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2019
- 2019-12-30 CN CN201922435744.7U patent/CN211979787U/en active Active
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