CN214627441U

CN214627441U - Intelligent switch system

Info

Publication number: CN214627441U
Application number: CN202121186327.4U
Authority: CN
Inventors: 高康艳; 吴鹏飞; 吴敏伟
Original assignee: Hangzhou Zhonggan Electronic Technology Co ltd
Current assignee: Hangzhou Zhonggan Electronic Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-11-05
Anticipated expiration: 2031-05-28

Abstract

The application relates to an intelligent switch system, which relates to the technical field of intelligent household equipment and comprises a load circuit, a switch module, a control module and a power supply module; the switch module is used for switching on or switching off a loop between the load circuit and a live wire of the mains supply; the control module comprises a sending terminal, a first receiving unit and a first controller; the first receiving unit is connected with the first controller, and the switch module is connected with the control end of the first controller; the first controller and the switch module are connected with the power supply module. The application has the following effects: first controller starts according to instruction control switch module, and switch module can cut off the return circuit between load circuit and the commercial power live wire to turn off lamps and lanterns, because directly cut off being connected between load circuit and the commercial power live wire, consequently, there is not electric current to pass through between load circuit and the lamps and lanterns, thereby solved the condition that appears slightly bright after lamps and lanterns turn off, improved user's use and experienced.

Description

Intelligent switch system

Technical Field

The application relates to the technical field of intelligent household equipment, in particular to an intelligent switching system.

Background

With the development of science and technology, smart home has become the first choice for more convenience in life of people.

At present, an intelligent lamp is a common smart home device in life, and mainly includes a switch module and a lamp, where the lamp and the switch module are usually connected in series in a power supply loop. The switch module generally has a communication function, and can be used for receiving an instruction of an external device, such as an infrared instruction of a remote control device, and controlling the switch of the lamp according to the instruction.

However, the above-mentioned intelligent light fixture has certain limitations in practical use. After the lamp is turned off, the phenomenon of 'ghost fire' is easy to occur. The main reasons for this phenomenon are: when the lamp is turned off, the switch module needs to supply power all the time to wait for receiving the instruction of the external device, so that the intelligent lamp is actually in a standby state, that is, a certain current still passes through a loop. And because the lamp is usually a low-current load such as an LED lamp, the lamp is easy to activate, so that the lamp has a micro-bright phenomenon visible to naked eyes in an off state.

With respect to the related art in the above, the inventors consider that: the micro-lighting phenomenon after the intelligent lamp is turned off can influence the experience of a user in daily use.

SUMMERY OF THE UTILITY MODEL

In order to improve the user experience of intelligent lamps and lanterns in daily use, this application provides an intelligent switch system.

The application provides an intelligence switch system adopts following technical scheme:

an intelligent switch system comprises a load circuit, a switch module, a control module and a power supply module; the load circuit is used for driving a load to work; the switch module is used for switching on or switching off a loop between the load circuit and a live wire of a mains supply; the control module comprises a sending terminal for sending a control instruction, a first receiving unit for receiving the control instruction and a first controller for controlling the switch module; the first receiving unit is connected with the first controller, the switch module is connected with the control end of the first controller, and the first controller controls the switch module to be switched on and off according to a corresponding control instruction; the first controller and the switch module are connected with the power supply module.

By adopting the technical scheme, when the sending terminal sends the turn-off instruction, the first receiving unit receives the instruction and conveys the instruction to the first controller, the first controller controls the switch module to be started according to the instruction, the switch module can cut off a loop between the load circuit and the live wire of the mains supply, and therefore the lamp is turned off.

Optionally, the switch module includes a switch tube and a relay, and an input end of the switch tube is connected to a control end of the first controller; the coil of the relay is connected with the output end of the switch tube; and a normally open contact of the relay is connected in series in a loop between the load circuit and a live wire of the mains supply.

By adopting the technical scheme, when the lamp is turned off, the first controller turns off the switch tube, the relay coil is powered off, the normally open contact breaks a loop between the load circuit and a live wire of the mains supply, and the lamp is turned off; when the lamp is turned on, the first controller turns on the switch tube, the relay coil is electrified, the normally open contact is connected with a loop between the load circuit and a live wire of the mains supply, and the lamp is turned on.

Optionally, the switch tube is a triode, and a base of the triode is connected with the control end of the first controller; and the coil of the relay is connected in series in the loop of the input end and the output end of the triode.

By adopting the technical scheme, the first controller sends the corresponding trigger signal to the base electrode of the triode according to the control instruction, so that the triode is controlled to be switched on or off, and the on-off of the relay is controlled.

Optionally, the sending terminal is an infrared remote controller, and the first receiving unit is an infrared receiver.

Through adopting above-mentioned technical scheme, when the user pressed the turn-off button on the infrared remote controller, infrared remote controller can launch infrared signal, and infrared receiver receives this infrared signal and carries to first controller in, and the triode is shut off in the control of first controller, and the relay coil cuts off the power supply for the contact disconnection of relay, thereby cut off the return circuit between load circuit and the commercial power live wire.

Optionally, the power supply module includes a power supply and a rectification module, the power supply is provided by mains supply, and an input end of the rectification module is connected to the power supply; and the coils of the first controller, the triode and the relay are connected with the output end of the rectification module.

By adopting the technical scheme, the power supply is provided by commercial power, and the power supply to each component is realized through the rectifier module, so that other external power supplies are not needed.

Optionally, the first controller is an MCU and/or a DSP processor and/or an ARM processor.

Optionally, a voltage reduction module is connected between the rectification module and the first controller, the voltage reduction module includes a voltage reduction resistor, a voltage regulator tube and a filter capacitor, and the voltage reduction resistor and the voltage regulator tube are connected in series and then connected to an output end of the rectification module; a connection wire is led out between the voltage reduction resistor and the voltage stabilizing tube and is connected with a power supply end of the first controller; the filter capacitor is connected in parallel to two ends of the voltage stabilizing tube.

By adopting the technical scheme, the corresponding voltage reduction resistor and the voltage stabilizing tube are selected for the corresponding chip, so that the rectified voltage is reduced to the required voltage to supply power to the chip.

Optionally, the load circuit includes an IC chip, a second controller and a second receiving unit, the second controller is an MCU, the second receiving unit is an infrared receiver, and the second receiving unit is connected to the second controller; the IC chip is connected with the PWM end of the second controller, and the load is connected with the output end of the IC chip.

By adopting the technical scheme, after the lamp is started, the brightness of the lamp can be adjusted through the infrared remote controller by utilizing the arrangement of the MCU and the IC chip.

To sum up, the beneficial technical effect that this application has does: the switch module is used for cutting off a loop between the load circuit and the live wire of the mains supply, so that the lamp is turned off, and the connection between the load circuit and the live wire of the mains supply is directly cut off, so that no current passes through the load circuit and the lamp, the problem that the lamp is slightly bright after being turned off is solved, and the use experience of a user is improved.

Drawings

FIG. 1 is a block diagram of the overall architecture of the present application;

fig. 2 is a schematic circuit diagram of the present application.

Reference numerals: 1. a load circuit; 11. an IC chip; 12. a second controller; 13. a second receiving unit; 2. a power supply module; 21. a rectification module; 3. a control module; 31. a transmitting terminal; 32. a first receiving unit; 33. a first controller; 4. a switch module; 5. and a voltage reduction module.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

Referring to fig. 1, an embodiment of the present application discloses an intelligent switching system. The intelligent switch system comprises a load circuit 1, a power supply module 2, a control module 3 and a switch module 4.

The load circuit 1 is used for driving a load to work, and the load in this embodiment is a lamp.

Referring to fig. 2, the power supply module 2 includes a power supply and rectification module 21. The power supply is provided by commercial power, so that other external power supplies are not needed. The rectifying module 21 is a bridge rectifying circuit, the input end of the rectifying module 21 is connected with the power supply, and the control module 3 and the switch module 4 are both connected with the output end of the rectifying module 21.

The control module 3 includes a transmitting terminal 31, a first receiving unit 32, and a first controller 33. The transmitting terminal 31 is an infrared remote controller, and the infrared remote controller is provided with a plurality of function keys, such as a power key and a light modulation key. The first receiving unit 32 is an infrared receiver, and the first receiving unit 32 only receives the infrared code sent by the power key. The first controller 33 is an MCU and/or a DSP processor and/or an ARM processor, in this embodiment, an MCU is adopted, and the first receiving unit 32 is connected to an input end of the first controller 33.

The voltage reduction module 5 is connected between the rectification module 21 and the first controller 33. The voltage reduction module 5 comprises a voltage reduction resistor R1, a voltage regulator tube D1 and a filter capacitor C1, wherein the voltage reduction resistor R1 and the voltage regulator tube D1 are connected in series and then are connected into a loop of the output end of the rectification module 21. The voltage regulator tube D1 is a diode, the anode of the voltage regulator tube D1 is connected with the voltage reduction resistor R1, and the cathode of the voltage regulator tube D1 is grounded. A connection wire is led out between the voltage reduction resistor R1 and the anode of the voltage regulator tube D1 and is connected with the power supply end of the first controller 33; the filter capacitor C1 is connected in parallel to two ends of the stabilivolt D1.

And selecting a corresponding voltage reduction resistor R1 and a voltage regulator tube D1 according to a corresponding MCU chip, so that the rectified voltage is reduced to the required voltage to supply power to the chip.

The switch module 4 includes a switch tube and a relay. The switching tube is an NPN type triode Q1, and the base electrode of the triode Q1 is connected with the control pin of the first controller 33; the emitter of the triode Q1 is grounded, and the emitter and the base of the triode Q1 are directly connected with a resistor R2; the collector of the transistor Q1 is connected to the loop of the output of the rectifier module 21. A coil KM1 of the relay is connected in series with a collector of a triode Q1, and a normally open contact KM1-1 of the relay is connected in series with a loop between the load circuit 1 and a live wire of a mains supply.

When the infrared remote controller presses a power key, the first receiving unit 32 receives a corresponding infrared instruction, the first controller 33 controls the triode Q1 to be switched on or switched off according to the instruction, when the triode Q1 is switched off, the relay coil KM1 is powered off, the normally open contact KM1-1 disconnects a loop between the load circuit 1 and a live wire of mains supply, and the lamp is turned off; when the triode Q1 is conducted, the relay coil KM1 is electrified, the normally open contact KM1-1 is communicated with a loop between the load circuit 1 and a live wire of a mains supply, and the lamp is lightened.

The load circuit 1 specifically includes an IC chip 11 of a model MT7860, a second controller 12, and a second receiving unit 13. The second controller 12 is also an MCU, and both the IC chip 11 and the second controller 12 are powered by commercial power after being rectified by a bridge. The second receiving unit 13 is also an infrared receiver, and the second receiving unit 13 only correspondingly receives the infrared code sent by the dimming key of the infrared remote controller, and the second receiving unit 13 is connected with the input end of the second controller 12. The input end of the IC chip 11 is connected to the PWM end of the second controller 12, and the load lamp is connected to the output end of the IC chip 11. After the lamp is turned on, the brightness of the lamp can be adjusted through the infrared remote controller by means of the arrangement of the second controller 12 and the IC chip 11.

The implementation principle of an intelligent switch system in the embodiment of the application is as follows:

when a user turns on the lamp and presses a power key on the infrared remote controller, the infrared remote controller can emit corresponding infrared signals, the infrared receiver receives the infrared signals and transmits the infrared signals to the first controller 33, the triode Q1 is controlled to be conducted by the first controller 33, and the relay coil KM1 is electrified, so that the normally open contact KM1-1 of the relay is closed, and a loop between the load circuit 1 and a live wire of mains supply is switched on. After the lamp is switched on, the user can also adjust the brightness of light and the like by using the infrared remote controller.

When a user closes the lamp and presses a power key on the infrared remote controller, the infrared remote controller can emit corresponding infrared signals, the infrared receiver receives the infrared signals and transmits the infrared signals to the first controller 33, the first controller 33 controls the triode Q1 to be turned off, and the relay coil KM1 is powered off, so that the normally open contact KM1-1 of the relay is disconnected, a loop between the load circuit 1 and a live wire of a mains supply is cut off, and the load circuit 1 and the live wire of the mains supply are directly cut off, so that no current passes between the load circuit 1 and the lamp, and the problem that the lamp is slightly bright after being turned off is solved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An intelligent switch system is characterized by comprising a load circuit (1), a switch module (4), a control module (3) and a power supply module (2); the load circuit (1) is used for driving a load to work; the switch module (4) is used for switching on or switching off a loop between the load circuit (1) and a live wire of a mains supply; the control module (3) comprises a sending terminal (31) used for sending a control instruction, a first receiving unit (32) used for receiving the control instruction and a first controller (33) used for controlling the switch module (4); the first receiving unit (32) is connected with the first controller (33), the switch module (4) is connected with the control end of the first controller (33), and the first controller (33) controls the switch module (4) to be turned on or turned off according to a corresponding control instruction; the first controller (33) and the switch module (4) are connected with the power supply module (2).

2. An intelligent switching system according to claim 1, wherein the switching module (4) comprises a switching tube and a relay, and an input end of the switching tube is connected with a control end of the first controller (33); the coil of the relay is connected with the output end of the switch tube; and a normally open contact of the relay is connected in series in a loop between the load circuit (1) and a live wire of a mains supply.

3. An intelligent switch system according to claim 2, wherein the switch tube is a triode, and the base of the triode is connected with the control terminal of the first controller (33); and the coil of the relay is connected in series in the loop of the input end and the output end of the triode.

4. An intelligent switching system, according to claim 1, wherein said transmitting terminal (31) is an infrared remote control and said first receiving unit (32) is an infrared receiver.

5. An intelligent switching system according to claim 1, wherein the power supply module (2) comprises a power supply and a rectification module (21), the power supply is provided by mains supply, and an input end of the rectification module (21) is connected with the power supply; and the first controller (33), the triode and the coil of the relay are connected with the output end of the rectifying module (21).

6. An intelligent switching system, according to claim 5, wherein said first controller (33) is a MCU and/or DSP processor and/or ARM processor.

7. The intelligent switch system according to claim 6, wherein a voltage reduction module (5) is connected between the rectifier module (21) and the first controller (33), the voltage reduction module (5) comprises a voltage reduction resistor, a voltage regulator tube and a filter capacitor, and the voltage reduction resistor and the voltage regulator tube are connected in series and then connected to the output end of the rectifier module (21); a connection wire is led out between the voltage reduction resistor and the voltage regulator tube and is connected with a power supply end of the first controller (33); the filter capacitor is connected in parallel to two ends of the voltage stabilizing tube.

8. An intelligent switching system according to claim 4, wherein the load circuit (1) comprises an IC chip (11), a second controller (12) and a second receiving unit (13), the second controller (12) is an MCU, the second receiving unit (13) is an infrared receiver, and the second receiving unit (13) is connected with the second controller (12); the IC chip (11) is connected with the PWM end of the second controller (12), and the load is connected with the output end of the IC chip (11).