CN214707672U

CN214707672U - 915M frequency band multifunctional wireless switch

Info

Publication number: CN214707672U
Application number: CN202120929999.3U
Authority: CN
Inventors: 叶帆; 谢小益
Original assignee: Suns Electric Zhangzhou Co ltd
Current assignee: Suns Electric Zhangzhou Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-12
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a 915M frequency channel multifunctional wireless switch, which comprises a receiver and a transmitter, wherein the receiver comprises a main control module which is connected with a voltage stabilizing module, a signal indicating lamp circuit, a pairing circuit, a wireless module, an output circuit and a buzzer circuit; the signal indicator lamp circuit comprises an indicator lamp D3, an indicator lamp D4 and an indicator lamp D5, wherein the indicator lamp D3, the indicator lamp D4 and the indicator lamp D5 are respectively and correspondingly provided with a resistor R13, a resistor R12 and a resistor R6 in series. The utility model discloses have multinomial alarming function to can make corresponding suggestion at switch self-checking failure, pairing success grade in-process, the management of being convenient for, thereby reach stable, reliable, quick, convenient purpose.

Description

915M frequency band multifunctional wireless switch

Technical Field

The utility model relates to an electronic switch field specifically indicates to have a 915M multi-functional wireless switch in frequency channel.

Background

The electronic switch is an operation unit for realizing the on-off of a circuit by utilizing an electronic circuit and a power electronic device, and at least comprises a controllable electronic driving device, such as a thyristor, a transistor, a field effect transistor, a controllable silicon, a relay and the like. In daily use, the electronic switch mainly comprises a touch switch, an inductive switch, a voice-operated switch, a wireless switch and the like.

The existing wireless switch generally comprises a receiving end and a transmitting end, and the transmitting end transmits various command signals to the receiving end so as to execute corresponding switch actions. However, due to uncertain factors such as signal interference in an actual use environment, communication between a receiving end and a transmitting end is prone to be problematic, and phenomena such as disconnection and the like occur, and most of existing wireless switches lack corresponding emergency measures.

The utility model discloses a 915M frequency channel multifunctional wireless switch is to the problem design that the aforesaid prior art exists the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a 915M frequency channel multifunctional wireless switch, can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

A915M frequency band multifunctional wireless switch comprises a receiver and a transmitter, wherein the receiver comprises a main control module which is connected with a voltage stabilizing module, a signal indicator lamp circuit, a pairing circuit, a wireless module, an output circuit and a buzzer circuit;

the signal indicating lamp circuit comprises an indicating lamp D3, an indicating lamp D4 and an indicating lamp D5, wherein the indicating lamp D3, the indicating lamp D4 and the indicating lamp D5 are respectively and correspondingly provided with a resistor R13, a resistor R12 and a resistor R6 in series;

the pairing circuit comprises a KEY switch KEY1, and the KEY switch KEY1 is connected with the V3 of the main control module;

the wireless module is composed of a wireless receiver P2, a filter circuit G1 and a group of resistors 8P 4R;

the output circuit comprises an optocoupler relay U2, the control end of the optocoupler relay U2 is connected with PB8 of the main control module, the signal output end of the optocoupler relay is connected with a filter circuit G2, and the filter circuit G2 is composed of a diode D9, a magnetic bead FB1, a capacitor C16 and a capacitor C15;

the buzzer circuit is composed of a triode Q3, a buzzer and a resistor R5; one end of the resistor R5 is connected with the base electrode of the triode Q3, and the other end of the resistor R5 is connected with the PB9 of the main control module; the emitter of the triode Q3 is connected with a buzzer.

Furthermore, a reset key K1 is arranged on the main control module.

Furthermore, the main control module is also connected with a digital analog common ground circuit and a debugging module.

Further, the filter circuit G2 is also provided with a resettable fuse FU1 and a transient suppression diode D6 in series. The technical scheme has the following technical effects:

the utility model discloses utilize the cooperation of three pilot lamp and bee calling organ to can make corresponding suggestion to switch self-checking failure, pair success, transmitter battery power is low, RSSI signal strength low grade process or state, make the administrator can in time handle, reach stable, reliable, quick, convenient purpose.

Secondly, the utility model discloses a receiver still has the function of disconnected automatic disconnection switch to can send the continuous alarm when disconnected for a long time, have certain emergent function of taking precautions against, therefore applicable wide range.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic circuit diagram of the main control module.

Fig. 3 is a schematic circuit diagram of the voltage regulator module.

Fig. 4 is a schematic circuit diagram of a signal indicator light circuit.

Fig. 5 is a schematic circuit diagram of a wireless module.

Fig. 6 is a schematic circuit diagram of the buzzer circuit.

Fig. 7 is a circuit structure diagram of the pairing circuit.

Fig. 8 is a circuit configuration diagram of the output circuit.

Fig. 9 is a schematic circuit diagram of the debug module.

Fig. 10 is a schematic circuit diagram of a digital-analog common ground circuit.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to fig. 1-10, a 915M frequency band multifunctional wireless switch includes a receiver and a transmitter, wherein the receiver includes a main control module, and the main control module is connected with a voltage stabilizing module, a signal indicator light circuit, a pairing circuit, a wireless module, an output circuit and a buzzer circuit; in the embodiment, the emitter is powered by a battery, and the type of the emitted signal comprises a control on/off switch signal, a low-voltage signal and a pairing signal, wherein the low-voltage signal is automatically and continuously emitted by the emitter when the voltage of the power supply battery is too low; the main control module adopts a microcontroller with the model number of STM32F103C8T 6; the voltage stabilizing module is used for converting 10-30 v of direct current power supply into 3.3 v.

The signal indicating lamp circuit comprises an indicating lamp D3, an indicating lamp D4 and an indicating lamp D5, wherein the indicating lamp D3, the indicating lamp D4 and the indicating lamp D5 are respectively and correspondingly provided with a resistor R13, a resistor R12 and a resistor R6 in series; in this embodiment, the indicator light D3, the indicator light D4, and the indicator light D5 respectively display a blue light, a red light, and a yellow light when they are correspondingly turned on, and indicate output, function, and status in turn.

The pairing circuit comprises a KEY switch KEY1, and the KEY switch KEY1 is connected with the V3 of the main control module; in this embodiment, after about 3S of long pressing of the KEY switch KEY1, the receiver enters the pairing state, and then the pairing KEY on the transmitter is pressed to complete pairing and sound two sounds along with the buzzer;

the wireless module is composed of a wireless receiver P2, a filter circuit G1 and a group of resistors 8P 4R; in this embodiment, the wireless module is configured to receive a signal from the transmitter, forward the signal to the main control module, perform signal analysis by a program built in the main control module, and determine to execute corresponding pin output.

The output circuit comprises an optocoupler relay U2, the control end of the optocoupler relay U2 is connected with PB8 of the main control module, the signal output end of the optocoupler relay is connected with a filter circuit G2, and the filter circuit G2 is composed of a diode D9, a magnetic bead FB1, a capacitor C16 and a capacitor C15; in this embodiment, after the main control module analyzes the signal, the PB8 outputs a high level, so that the optocoupler relay is turned on, and simultaneously, the signal output end of the optocoupler relay also outputs a high level, and the indicator light D3 (i.e., a blue light) is turned off; when the main control module does not receive the signal for 3min or receives the signal for 5s, the PB8 outputs a low level, the optical coupling relay is disconnected, the signal output end of the optical coupling relay outputs a low level, and the indicator light D3 (namely a blue light) is turned on.

The buzzer circuit is composed of a triode Q3, a buzzer and a resistor R5; one end of the resistor R5 is connected with the base electrode of the triode Q3, and the other end of the resistor R5 is connected with the PB9 of the main control module; the emitter of the triode Q3 is connected with a buzzer. In this embodiment, the buzzer is connected to the main control module, and can respond when the receiver performs self-check, the RSSI signal strength is low, the battery is at a low voltage, and the receiver is disconnected from the transmitter.

Specifically, the main control module is provided with a reset key K1. In this embodiment, pressing the reset key K1 can reset the main control module.

Specifically, the main control module is further connected with a digital analog common ground circuit and a debugging module. In this embodiment, the debugging module may invoke a part of functions in the system through the serial port debugging assistant.

Specifically, the filter circuit G2 is further provided with a resettable fuse FU1 and a transient suppression diode D6 in series. In this embodiment, the recoverable fuse FU1 controls the circuit current limit 200ma, and the transient suppression diode D6 is used to ensure the output to be stable. Detailed function and principle description of the present invention

Firstly, self-checking:

1. after the power is on, the main control module of the receiver can execute self-checking, the buzzer stops sounding for 500ms to represent that the self-checking is completed, and the buzzer continuously and normally sounds to represent a hardware error.

Secondly, pairing:

1. between the receiver and the transmitter: in the unmatched state, the indicator light D5 (i.e., yellow light) is slowly flashed; when in the paired state, indicator light D5 (i.e., yellow light) flashes; the pairing completion state, and an indicator light D5 (namely a yellow light) is normally on;

2. if the KEY switch KEY1 is pressed for about 3 seconds and then released, the receiver enters a pairing state, and if a pairing signal from the transmitter is received in 30 seconds, pairing is completed and two sounds are sounded along with the buzzer;

3. if the receiver does not receive the pairing signal of the transmitter after 30S in the pairing state, the receiver recovers the previous pairing code;

4. if the KEY switch KEY1 is kept pressed for about 3S and then not released, and the KEY switch KEY1 is continuously pressed for about 8S, the previous pairing code is cleared.

Thirdly, low voltage alarm:

1. when the receiver receives a low voltage signal automatically sent by the transmitter, the indicator light D4 (i.e. red light) is normally on, and the buzzer alarms for 500 ms.

Fourthly, RSSI alarming:

1. the receiver can detect the signal intensity of the received signal, and when the signal intensity is lower than a certain preset threshold value due to external environment interference or too far distance between the emitter and the receiver in the communication process, the buzzer does not sound for three times;

2. when the RSSI alarm and the low-voltage alarm are triggered simultaneously, the RSSI alarm is responded preferentially.

Fifthly, disconnecting the automatic disconnecting switch:

1. when the transmitter sends a switch-on signal and the switch of the receiver is switched on, if the receiver cannot receive the switch-on signal sent by the transmitter again in 5S, the switch of the receiver is automatically switched off.

Sixthly, long-time disconnection alarming:

1. after the receiver and the transmitter are matched, and the receiver is maintained in a switch off state, any signal sent by the transmitter is not received within 3min, the buzzer can give an alarm normally, and the receiver cannot stop receiving the signal sent by the transmitter again.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.

Claims

1. A915M frequency band multifunctional wireless switch comprises a receiver and a transmitter, and is characterized in that: the receiver comprises a main control module, and the main control module is connected with a voltage stabilizing module, a signal indicator lamp circuit, a pairing circuit, a wireless module, an output circuit and a buzzer circuit;

2. The 915M-band multifunctional wireless switch according to claim 1, wherein: and a reset key K1 is arranged on the main control module.

3. The 915M-band multifunctional wireless switch according to claim 2, wherein: the main control module is also connected with a digital analog common ground circuit and a debugging module.

4. The 915M-band multifunctional wireless switch according to claim 3, wherein: the filter circuit G2 is also provided with a recoverable fuse FU1 and a transient suppression diode D6 in series.