CN220491386U - Doorbell system based on wireless transmission - Google Patents
Doorbell system based on wireless transmission Download PDFInfo
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- CN220491386U CN220491386U CN202322148168.4U CN202322148168U CN220491386U CN 220491386 U CN220491386 U CN 220491386U CN 202322148168 U CN202322148168 U CN 202322148168U CN 220491386 U CN220491386 U CN 220491386U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 230000005669 field effect Effects 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 13
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- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 description 2
- 102100021298 b(0,+)-type amino acid transporter 1 Human genes 0.000 description 2
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Abstract
The utility model provides a doorbell system based on wireless transmission, which comprises an indoor receiving end and a gate sending end, wherein the indoor receiving end comprises a control module, an audio power amplifier circuit, a radio frequency receiving circuit and a gate sending end comprises a radio frequency sending circuit; the control module is connected with the radio frequency receiving circuit, the audio power amplification circuit is connected with the control module, and the radio frequency receiving circuit receives the data signal sent by the radio frequency sending circuit; the indoor receiving end further comprises an audio switching key and a volume adjusting key, a first end of the audio switching key is connected with the first power input end, and a second end of the audio switching key is connected with the audio power amplifier circuit; the first end of the volume adjusting key is connected with the first grounding end, and the second end of the volume adjusting key is connected with the control module. The user can switch doorbell sound and volume at will through audio frequency switching button and volume adjustment button.
Description
Technical Field
The utility model relates to the field of doorbell systems, in particular to a doorbell system based on wireless transmission.
Background
Traditional doorbell system is wired doorbell mostly, and the gate is provided with doorbell button, and doorbell button passes through signal line transmission data information to indoor set, and indoor set received data information can set up doorbell sound. But wiring of wired doorbell is troublesome, and some doorbell can be buried into the wall with the line when installing, and the installation is very troublesome, and when the circuit ageing, the maintenance is difficult.
The existing wireless doorbell comprises a wireless doorbell outdoor terminal and a wireless doorbell indoor receiver, wherein the wireless doorbell outdoor terminal comprises a doorbell button module, a control module and a wireless transmitting module which are mutually independent; the indoor wireless doorbell receiver comprises a wireless receiving module, a control processing module, an audio module and a sounding unit which are mutually independent, and can receive signals of the outdoor wireless doorbell terminal and send out alarm sounds after receiving the signals. But the wireless doorbell can not switch the doorbell at will and can not adjust the volume, so that the wireless doorbell is inconvenient for users to use.
Disclosure of Invention
A first object of the present utility model is to provide a wireless transmission based doorbell system that can switch the door bells and can adjust the volume.
In order to achieve the first object, the present utility model provides a doorbell system based on wireless transmission, comprising:
the indoor receiving end comprises a control module, an audio power amplifier circuit, a radio frequency receiving circuit and a gate transmitting end, wherein the gate transmitting end comprises a radio frequency transmitting circuit; the control module is connected with the radio frequency receiving circuit, the audio power amplifier circuit is connected with the control module, and the radio frequency receiving circuit receives the data signal sent by the radio frequency sending circuit; the indoor receiving end further comprises an audio switching key and a volume adjusting key, a first end of the audio switching key is connected with the first power input end, and a second end of the audio switching key is connected with the audio power amplifier circuit; the first end of the volume adjusting key is connected with the first grounding end, and the second end of the volume adjusting key is connected with the control module.
According to the scheme, the audio power amplifier circuit stores a plurality of door ring tones, and a user can switch the door ring tones by pressing an audio switching key. The user can adjust the volume through the volume adjusting key, when the user presses the volume adjusting key, the volume is increased, and when the volume is maximum, the user presses the volume adjusting key again, and the volume is minimum. The user can switch doorbell sound and volume at will through audio frequency switching button and volume adjustment button, satisfies user's requirement, increases user's convenience of use.
In a further scheme, the indoor receiving end further comprises a first setting key, a first end of the first setting key is connected with the first grounding end, and a second end of the first setting key is connected with the radio frequency transmitting circuit; the gate sending end comprises a second setting key, a first end of the second setting key is connected with a second grounding end, and a second end of the second setting key is connected with the control module.
It can be seen that the first setting key and the second setting key are used for setting connection between the indoor receiving end and the doorway transmitting end.
In a further scheme, the indoor receiving end further comprises a first battery reverse connection preventing circuit, the first battery reverse connection preventing circuit comprises a first field effect tube, a grid electrode of the first field effect tube is connected with a first battery positive electrode interface, a drain electrode of the first field effect tube is connected with a first battery negative electrode interface, a source stage of the first field effect tube is connected with a first grounding end, and the first battery positive electrode interface is connected with a first power input end.
It follows that the first field effect transistor prevents the first battery from being connected in reverse, which would lead to burning out the circuit.
In a further scheme, the gate sending end further comprises a second battery reverse connection preventing circuit, the second battery reverse connection preventing circuit comprises a second field effect tube, a grid electrode of the second field effect tube is connected with a second battery positive electrode interface, a drain electrode of the second field effect tube is connected with a second battery negative electrode interface, and a source stage of the second field effect tube is connected with the first grounding end.
It follows that the second cell is prevented from being connected in reverse by the second fet, which would lead to burning out of the circuit.
In a further scheme, the second battery positive electrode interface is connected with a voltage conversion circuit, and the voltage conversion circuit is connected with a second power input end.
It can be seen that the voltage of the second battery is converted into the voltage required by the transmitting end of the gate end through the voltage conversion circuit.
In a further scheme, the indoor receiving end further comprises a first prompting circuit, the first prompting circuit comprises a first light emitting diode, the anode end of the first light emitting diode is connected with the first power input end, and the cathode end of the first light emitting diode is connected with the control module.
Therefore, the first light-emitting diode prompts the user that the sending end of the gate has the sending signal or whether the operation of pressing a key is performed or not.
In a further scheme, the gate sending end further comprises a second prompting circuit, the second prompting circuit comprises a second light emitting diode, the anode end of the second light emitting diode is connected with the radio frequency sending circuit, and the cathode end of the second light emitting diode is connected with the second grounding end.
Thus, the user can be prompted to press the second prompting key through the second light emitting diode.
Drawings
Fig. 1 is a system architecture block diagram of an embodiment of a doorbell system based on wireless transmission of the present utility model.
Fig. 2 is a circuit diagram of a radio frequency transmission circuit of a door opening transmitting end of a doorbell system embodiment based on wireless transmission according to the present utility model.
Fig. 3 is a circuit diagram of a second battery anti-reverse circuit of a door opening transmitting end of an embodiment of a doorbell system based on wireless transmission according to the present utility model.
Fig. 4 is a circuit diagram of a voltage conversion circuit of a door opening transmitting end of a doorbell system embodiment based on wireless transmission according to the present utility model.
Fig. 5 is a circuit diagram of a second set button of a door opening transmitting end of a doorbell system embodiment based on wireless transmission according to the present utility model.
Fig. 6 is a circuit diagram of a second prompting circuit of a door opening transmitting end of a doorbell system embodiment based on wireless transmission according to the present utility model.
Fig. 7 is a circuit diagram of a control module of an indoor receiver of an embodiment of a doorbell system based on wireless transmission according to the present utility model.
Fig. 8 is a circuit diagram of an audio power amplifier circuit of an indoor receiving end of a doorbell system embodiment based on wireless transmission.
Fig. 9 is a circuit diagram of a radio frequency receiving circuit of an indoor receiving end of a doorbell system embodiment based on wireless transmission.
Fig. 10 is a circuit diagram of a first battery anti-reverse circuit of an indoor receiver of an embodiment of a doorbell system based on wireless transmission according to the present utility model.
Fig. 11 is a circuit diagram of a key of an indoor receiving end of an embodiment of a doorbell system based on wireless transmission according to the present utility model.
Fig. 12 is a circuit diagram of a first prompting circuit of an indoor receiving end of an embodiment of a doorbell system based on wireless transmission according to the present utility model.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Doorbell system embodiments based on wireless transmission:
referring to fig. 1, fig. 1 is a system architecture block diagram of an embodiment of a doorbell system based on wireless transmission according to the present utility model. The wireless doorbell system of this embodiment includes indoor receiving end 1 and gate sender 2, and indoor set receiving end 1 includes control module 11, radio frequency receiving circuit 12, audio power amplifier circuit 13, first battery prevents reverse connection circuit 14, first suggestion circuit 15, audio frequency switching button 16, volume adjustment button 17 and first setting button 18. The gate transmitting terminal 2 includes a radio frequency transmitting circuit 21, a voltage converting circuit 22, a second battery reverse connection preventing circuit 23, a second prompting circuit 24 and a second setting button 25.
When the guest presses the second setting button 25, the second prompting circuit 24 emits light at this time, the radio frequency transmitting circuit 21 transmits a data signal to the radio frequency receiving circuit 12, the radio frequency receiving circuit 12 transmits the data signal to the control module 11, the control module 11 processes the data signal and then transmits a control signal to the audio power amplifier circuit 13, and the audio power amplifier circuit 13 acquires a doorbell in a memory to amplify and play the doorbell. The first battery anti-reverse connection circuit 14 is connected to the battery for preventing the battery from reverse connection causing burn out of the system circuitry. The second battery anti-reverse connection circuit 23 is connected to the battery for preventing the battery from reverse connection so that the system circuit burns out. The audio switch 16 is used to switch the doorbell of the doorbell, so that the user can switch the doorbell according to his preference. The volume adjustment key 17 is used to adjust the volume. The first prompting circuit 15 and the second prompting circuit 24 can prompt the user about the condition that the indoor receiving end 1 and the gate sending end 2 are connected or prompt the user about whether the key is pressed.
Referring to fig. 2, 3, 4, 5 and 6, the radio frequency transmitting circuit of the doorway transmitting end 2 includes a radio frequency transmitting module U2, a processor is disposed in the radio frequency transmitting module U2, a 7 th pin of the radio frequency transmitting module U2 is connected to a second end of the second setting button SW4, and the second setting button SW4 is connected to a second ground terminal. The 8 th pin of the radio frequency sending module U2 is connected with the anode end of the second light emitting diode D1 of the second prompting circuit, and the cathode end of the second light emitting diode D1 is connected with the second grounding end. The 5 th pin and the 6 th pin of the radio frequency transmission module U2 are connected with a crystal oscillator X1, and the crystal oscillator X1 provides clock signals for the radio frequency transmission module U2. The 3 rd pin of the radio frequency transmitting module U2 is an output end and outputs a data signal.
The gate sending end 2 is further provided with a second battery reverse connection preventing circuit, the second battery reverse connection preventing circuit comprises a second field effect tube Q1, a grid electrode of the second field effect tube Q1 is connected with a second battery positive electrode interface TP-BAT1, a drain electrode of the second field effect tube Q1 is connected with a second battery negative electrode interface TP-GND1, and a source stage of the second field effect tube Q1 is connected with a first grounding end. When the batteries are reversely connected, the anode of the battery is connected with the anode interface TP-BAT1 of the second battery, the anode of the battery is connected with the anode interface TP-GND1 of the second battery, the source and the drain of the second field effect tube Q1 are not conducted, and the battery cannot form a loop at the moment, so that the protection effect on the gate transmitting end is achieved, and the circuit damage of the gate transmitting end is prevented.
The second battery positive electrode interface TP-BAT1 is connected with the input end BAT1 of the voltage conversion circuit U1, and the input end BAT1 of the voltage conversion circuit U1 is the 3 rd pin of the voltage conversion circuit U1. The output end of the voltage conversion circuit U1 is connected with the second power input end VCC, and the output end of the voltage conversion circuit U1 is the 2 nd pin of the voltage conversion circuit U1. The voltage conversion circuit U1 can convert the 15V battery to 3.3V voltage, so that the gate sending end does not damage the circuit due to the overlarge battery voltage.
Referring to fig. 7 to 12, the indoor receiving end 1 includes a first battery reverse connection preventing circuit, the first battery reverse connection preventing circuit includes a first field effect transistor Q5, a gate electrode of the first field effect transistor Q5 is connected to a first battery positive electrode interface TP-BAT, a drain electrode of the first field effect transistor Q5 is connected to a first battery negative electrode interface TP-GND, a source stage of the first field effect transistor Q5 is connected to a first ground terminal, and the first battery positive electrode interface TP-BAT is connected to a first power supply input terminal BAT. When the batteries are reversely connected, the anode of the batteries is connected with the anode interface TP-BAT of the first battery, the anode of the batteries is connected with the anode interface TP-GND of the first battery, the source and the drain of the first field effect transistor Q5 are not conducted, and the batteries cannot form a loop at the moment, so that the indoor receiving end is protected, and the circuit of the indoor receiving end is prevented from being damaged.
The indoor receiving end 1 further comprises a radio frequency receiving circuit, the radio frequency receiving circuit comprises a radio frequency receiving module U626, the radio frequency receiving module U626 can receive data signals sent by the radio frequency sending module U2 from a 2 nd pin, and the data signals can be sent to the control module U628 through a 5 th pin of the radio frequency receiving module U626 after being processed. The 4 th pin of the control module U628 is connected to the 5 th pin of the radio frequency receiving module U626, and receives the data signal processed by the radio frequency receiving module U626.
The 3 rd pin of the control module U628 is connected with the 3 rd pin of the audio power amplification module U627 of the audio power amplification circuit, and the control module U28 outputs a control signal to enable the audio power amplification module U627 to output a door ring to the loudspeaker JP5.
The audio power amplifier module U627 stores a plurality of audio frequencies, and a user can select the audio frequencies according to wish. A first end of the audio switching key SW3 is connected to the first power input end BAT, and a second end of the audio switching key SW3 is connected to the 2 nd pin of the audio power amplifier module U627. When the user wants to switch audio, the door bell can be switched by the audio switching key SW 3.
In the control module U628, the 7 th pin of the control module U628 is connected to the second end of the volume adjustment button SW2, and the first end of the volume adjustment button SW2 is connected to the first ground terminal. When the control module U628 detects that the volume adjustment key SW2 is pressed, a control signal is sent to the audio power amplifier module U627, and the audio power amplifier module U627 adjusts the volume of the played audio.
The indoor receiving end 1 further comprises a first setting key SW1, a first end of the first setting key SW1 is connected with the first grounding end, and a second end of the first setting key SW1 is connected with the control module U628. The first setting key is used for connecting with the gate sending end 2.
The indoor receiving end 1 further comprises a first prompting circuit, the first prompting circuit comprises a first light emitting diode D6, the anode end of the first light emitting diode D6 is connected with the first power input end BAT, and the cathode end of the first light emitting diode D6 is connected with the control module U628.
When the doorway transmitting end 2 and the indoor receiving end 1 are powered on for the first time, the doorway transmitting end and the indoor receiving end are needed to be matched for use. The user needs to press the first setting button SW1 on the gate transmitting end 2 for more than three seconds at first, at this time, the 2 nd pin of the control module U628 receives a low-level pulse signal with a time longer than three seconds, and then the first light emitting diode D6 is controlled to continuously flash, and the first light emitting diode D6 proves that the indoor receiving end is in a pairing state, and at this time, if the radio frequency receiving module receives a data signal, the radio frequency receiving module is paired with the gate transmitting end 2 which transmits the data signal.
When the user sees that the first light emitting diode D6 blinks, the second setting key SW4 is pressed at the door phone transmitting end 2, and then the radio frequency transmitting module U2 controls the second light emitting diode D1 to blink once, and transmits a data signal to the indoor receiving end 1.
After receiving the data signal, the radio frequency receiving module U626 sends the data signal to the control module U628, and the control module U628 records the information of the data signal and simultaneously controls the first light emitting diode D6 to turn off the light, and at this time, the doorway transmitting end 2 and the indoor receiving end 1 are successfully paired. After the gateway sending end 2 is successfully paired, the subsequent pairing is not needed.
After the door transmitting end 2 and the indoor receiving end 1 are successfully paired, when a guest visits, the first setting key SW4 is pressed, at this time, the radio frequency transmitting module transmits a data signal to the indoor receiving end 1, after the radio frequency receiving module U626 of the indoor receiving end 1 receives the data signal, the radio frequency receiving module U626 transmits a processed data signal value control module U628, the control module U628 transmits a control signal to the audio power amplification module U627, and the audio power amplification module U627 plays according to audio selected by the user.
In this embodiment, the user can switch doorbell sound and volume at will through the audio switch button and the volume adjustment button, satisfies user's requirement, increases user's convenience of use.
The foregoing is merely a preferred embodiment of the present utility model, but the inventive design concept is not limited thereto, and many other equivalent embodiments can be included without departing from the scope of the utility model, as will be apparent to those skilled in the art.
Claims (7)
1. A doorbell system based on wireless transmission, comprising:
the indoor receiving end comprises a control module, an audio power amplifier circuit and a radio frequency receiving circuit, and the gate transmitting end comprises a radio frequency transmitting circuit;
the control module is connected with the radio frequency receiving circuit, the audio power amplification circuit is connected with the control module, and the radio frequency receiving circuit receives the data signals sent by the radio frequency sending circuit;
the method is characterized in that:
the indoor receiving end further comprises an audio switching key and a volume adjusting key, a first end of the audio switching key is connected with a first power input end, and a second end of the audio switching key is connected with the audio power amplifier circuit;
the first end of the volume adjusting key is connected with the first grounding end, and the second end of the volume adjusting key is connected with the control module.
2. The wireless transmission-based doorbell system according to claim 1, wherein:
the indoor receiving end further comprises a first setting key, a first end of the first setting key is connected with the first grounding end, and a second end of the first setting key is connected with the control module;
the gate sending end comprises a second setting key, a first end of the second setting key is connected with a second grounding end, and a second end of the second setting key is connected with the radio frequency sending circuit.
3. The wireless transmission-based doorbell system according to claim 1 or 2, wherein:
the indoor receiving end further comprises a first battery reverse connection preventing circuit, the first battery reverse connection preventing circuit comprises a first field effect tube, a grid electrode of the first field effect tube is connected with a first battery positive electrode interface, a drain electrode of the first field effect tube is connected with a first battery negative electrode interface, a source stage of the first field effect tube is connected with a first grounding end, and the first battery positive electrode interface is connected with a first power input end.
4. The wireless transmission-based doorbell system according to claim 1 or 2, wherein:
the gate sending end further comprises a second battery reverse connection preventing circuit, the second battery reverse connection preventing circuit comprises a second field effect tube, a grid electrode of the second field effect tube is connected with a second battery positive electrode interface, a drain electrode of the second field effect tube is connected with a second battery negative electrode interface, and a source stage of the second field effect tube is connected with the first grounding end.
5. The wireless transmission-based doorbell system according to claim 4, wherein:
the second battery anode interface is connected with a voltage conversion circuit, and the voltage conversion circuit is connected with a second power input end.
6. A doorbell system based on wireless transmission according to claim 3, wherein:
the indoor receiving end further comprises a first prompt circuit, the first prompt circuit comprises a first light emitting diode, the anode end of the first light emitting diode is connected with the first power input end, and the cathode end of the first light emitting diode is connected with the control module.
7. The wireless transmission-based doorbell system according to claim 4, wherein:
the gate sending end further comprises a second prompting circuit, the second prompting circuit comprises a second light emitting diode, the anode end of the second light emitting diode is connected with the radio frequency sending circuit, and the cathode end of the second light emitting diode is connected with a second grounding end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148168.4U CN220491386U (en) | 2023-08-09 | 2023-08-09 | Doorbell system based on wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322148168.4U CN220491386U (en) | 2023-08-09 | 2023-08-09 | Doorbell system based on wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220491386U true CN220491386U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322148168.4U Active CN220491386U (en) | 2023-08-09 | 2023-08-09 | Doorbell system based on wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220491386U (en) |
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2023
- 2023-08-09 CN CN202322148168.4U patent/CN220491386U/en active Active
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