CN216905402U

CN216905402U - Touch circuit applied to magnetic suspension lamp

Info

Publication number: CN216905402U
Application number: CN202220108022.XU
Authority: CN
Inventors: 罗祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-05
Anticipated expiration: 2032-01-14

Abstract

The application relates to a be applied to touch-control circuit of magnetic levitation lamp, include: the input detection unit comprises a touch key and a first processing chip electrically connected with the touch key, the touch key is used for sensing touch to generate a touch signal to the first processing chip U1, and the first processing chip U1 outputs a touch control signal after processing; the output control unit comprises a second processing chip U2 and a field effect transistor Q1 connected with the second processing chip U2, and the second processing chip U2 generates a PWM control signal to the field effect transistor Q1 after receiving the touch control signal; the power supply input unit is used for supplying power to a coil of the magnetic suspension lamp; the field effect transistor Q1 is further connected to the coil L1_ TP1 of the magnetic suspension lamp and the power input unit, and is used for controlling the power on/off of the coil L1_ TP1 of the magnetic suspension lamp according to the PWM control signal.

Description

Touch circuit applied to magnetic suspension lamp

Technical Field

The application belongs to the technical field of lamps and lanterns, a touch control circuit who is applied to magnetic levitation lamp is related to.

Background

At present, most of bulbs used in most families are wired, such as table lamps, energy-saving lamps and the like, the bulbs are fixed by special lamp holders or brackets, and with the continuous improvement of living standard of people, the requirements of people on decoration and appreciation of the lamps are higher and higher.

Some magnetic suspension lamps are available in the market, and the magnetic suspension lamps suspend lamp caps of lamps in a half-air space by using a magnetic suspension technology. Still use the switch of mechanical type to the switch and the adjustting of the lighteness of suspension lamp to carry out operation control, use this kind of traditional control mode, need the structure outward appearance of product to fix and install, user experience is extremely poor.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a be applied to touch circuit of magnetic levitation lamp, can control the bright of magnetic levitation lamp and go out through the control mode of touch.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the technical scheme of this application provides a be applied to touch-control circuit of magnetic levitation lamp, includes:

the input detection unit comprises a touch key and a first processing chip electrically connected with the touch key, the touch key is used for sensing touch to generate a touch signal to the first processing chip U1, and the first processing chip U1 outputs a touch control signal after processing;

the output control unit comprises a second processing chip U2 and a field effect transistor Q1 connected with the second processing chip U2, and the second processing chip U2 generates a PWM control signal to the field effect transistor Q1 after receiving the touch control signal;

the power supply input unit is used for supplying power to a coil of the magnetic suspension lamp;

the field effect transistor Q1 is further connected to the coil L1_ TP1 of the magnetic suspension lamp and the power input unit, and is used for controlling the power on/off of the coil L1_ TP1 of the magnetic suspension lamp according to the PWM control signal.

The technical effect of the technical scheme is that the on and off of the suspension lamp are controlled by the control mode of the touch key; the product can be adapted to different product forms, and the universality is better; the second processing chip U2 adjusts the coil L1_ TP1 of the magnetic suspension lamp by controlling the field effect transistor Q1, thereby realizing the control of the on and off of the suspension lamp.

Optionally, the 1 st pin of the first processing chip U1 is connected to the touch key through the resistor R1 to receive a touch signal of the touch key; the pin 3 of the first processing chip U1 is connected to the second processing chip U2 to output the TOUCH control signal, which is the level signal TOUCH _ OUT, to the second processing chip U2.

Optionally, pin 2 of a processing chip U1 is connected to ground VSS, and pin 6 is connected to ground VSS through a resistor R2; the 5 th pin is connected to the power source terminal VCC through the resistor R3, and to the ground terminal VSS through the capacitor C3, and the capacitor C1 and the capacitor C2 are connected between the 5 th pin and the 4 th pin.

Optionally, the 1 st pin of the second processing chip U2 is connected to the first processing chip U1 through the resistor R5 to receive the TOUCH control signal of the first processing chip, which is the level signal TOUCH _ OUT, and is connected to the ground terminal VSS through the capacitor C6; the 2 nd pin is connected to a ground terminal VSS; the 5 th pin is connected with a power supply terminal VCC and a ground terminal VSS through a capacitor C7; the 6 th pin is connected with a field effect transistor Q1 to output a PWM control signal.

Optionally, the G-pole of the fet Q1 is connected to the 6 th pin of the second processor chip U2 via the pin R6, and is connected to the ground terminal VSS via the resistor R7; the S pole is connected to the ground terminal VSS; the D pole of the capacitor is connected with one end of a coil L1_ TP1, the other end of the coil L1_ TP1 is connected with a 12V power supply end, and meanwhile, the coil L1_ TP1 is also connected with a capacitor C8 in parallel.

Optionally, the power input unit includes an input interface CN1, a pin 6 of the input interface CN1 is connected to a ground terminal VSS through a capacitor C5, and meanwhile, the pin is used as an output power terminal VCC through a resistor R4, and the power terminal VCC is further connected to the ground terminal VSS through a diode D1 and a capacitor C4, respectively.

Optionally, the 1 st pin of the input port CN1 is connected to the network TOUCH _ KEY to supply power to the TOUCH KEY, the 2 nd pin thereof is connected to the network 1.2V, the 3 rd pin thereof is connected to the network S-4, the 4 th pin thereof is connected to the network GND, the 5 th pin thereof is connected to the network VSS, the 7 th pin thereof is connected to the network LL +, and the 8 th pin thereof is connected to the network LL-.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic levitation lamp in an embodiment of the present application.

Fig. 2 is a schematic block diagram of a touch circuit in an embodiment of the present application.

Fig. 3 is a schematic circuit diagram of an input detection unit in an embodiment of the present application.

Fig. 4 is a schematic circuit diagram of an output control unit in an embodiment of the present application.

Fig. 5 is a schematic circuit diagram of a power input unit in an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, a schematic structural diagram of a magnetic levitation lamp is shown, a wireless power transmission assembly, a first levitation magnet and a coil L1_ TP1 are arranged inside a lamp socket, a wireless power reception assembly and a second levitation magnet are arranged inside a bulb, when no power is supplied to the coil L1_ TP1, under the magnetic action of the first levitation magnet and the second levitation magnet, a magnetic field is generated to suspend the bulb after power is supplied to the coil L1_ TP1, and the bulb is lighted by the lamp socket through wireless power supply.

Referring to fig. 2-5, the present embodiment provides a touch circuit applied to a magnetic levitation lamp, including:

Optionally, the 1 st pin of the first processing chip U1 is connected to the touch key through a resistor R1 to receive a touch signal of the touch key; the pin 3 of the first processing chip U1 is connected to the second processing chip U2 to output the TOUCH control signal, which is the level signal TOUCH _ OUT, to the second processing chip U2.

Optionally, pin 2 of the first processing chip U1 is connected to the ground terminal VSS, and pin 6 thereof is connected to the ground terminal VSS through the resistor R2; the 5 th pin is connected to the power source terminal VCC through the resistor R3, and to the ground terminal VSS through the capacitor C3, and the capacitor C1 and the capacitor C2 are connected between the 5 th pin and the 4 th pin.

Optionally, the pin 1 of the second processing chip U2 is connected to the first processing chip U1 via a resistor R5, to receive the TOUCH control signal of the first processing chip, which is the level signal TOUCH _ OUT, and is connected to the ground terminal VSS via a capacitor C6; the 2 nd pin is connected to the ground terminal VSS; the 5 th pin is connected with a power supply terminal VCC and a ground terminal VSS through a capacitor C7; the 6 th pin is connected with a field effect transistor Q1 to output a PWM control signal.

Optionally, the G-pole of the fet Q1 is connected to the 6 th pin of the second processor chip U2 via the pin R6, and to the ground terminal VSS via the resistor R7; the S pole is connected to the ground terminal VSS; the D pole of the capacitor is connected with one end of a coil L1_ TP1, the other end of the coil L1_ TP1 is connected with a 12V power supply end, and meanwhile, the coil L1_ TP1 is also connected with a capacitor C8 in parallel.

Optionally, the power input unit includes an input interface CN1, the 6 th pin of the input interface CN1 is connected to a ground terminal VSS through a capacitor C5, and meanwhile, the pin is used as an output power terminal VCC through a resistor R4, and the power terminal VCC is further connected to the ground terminal VSS through a diode D1 and a capacitor C4, respectively.

The input detection unit circuit of the embodiment processes the detected touch electric signal through the first processing chip U1, and outputs the signal to the first processing chip U2, and the second processing chip U2 processes the electric signal received from the first processing chip U1, and finally the second processing chip U2 adjusts the coil L1_ TP1 through the control field effect transistor Q1, so as to realize the control of on and off of the floating lamp.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Be applied to touch-control circuit of magnetic levitation lamp, its characterized in that includes:

2. The touch control circuit applied to the magnetic suspension lamp as claimed in claim 1, wherein the 1 st pin of the first processing chip U1 is connected to the touch button through a resistor R1 to receive a touch signal from the touch button; the pin 3 of the first processing chip U1 is connected to the second processing chip U2 to output the TOUCH control signal, which is the level signal TOUCH _ OUT, to the second processing chip U2.

3. The touch control circuit applied to a maglev lamp of claim 2, wherein the pin 2 of the first processing chip U1 is connected to a ground terminal VSS, and the pin 6 thereof is connected to the ground terminal VSS through a resistor R2; the 5 th pin is connected to the power source terminal VCC through the resistor R3, and to the ground terminal VSS through the capacitor C3, and the capacitor C1 and the capacitor C2 are connected between the 5 th pin and the 4 th pin.

4. The TOUCH control circuit applied to the maglev lamp of claim 2, wherein a 1 st pin of the second processing chip U2 is connected to the first processing chip U1 through a resistor R5, so as to receive the TOUCH control signal of the first processing chip as a level signal TOUCH _ OUT, and is connected to a ground terminal VSS through a capacitor C6; the 2 nd pin is connected to the ground terminal VSS; the 5 th pin is connected with a power supply terminal VCC and a ground terminal VSS through a capacitor C7; the 6 th pin is connected with a field effect transistor Q1 to output a PWM control signal.

5. The touch control circuit applied to the magnetic suspension lamp as claimed in claim 4, wherein the G electrode of the field effect transistor Q1 is connected to the 6 th pin of the second processing chip U2 through an electrical pin R6, and is connected to a ground terminal VSS through a resistor R7; the S pole is connected to the ground terminal VSS; the D pole of the capacitor is connected with one end of a coil L1_ TP1, the other end of the coil L1_ TP1 is connected with a 12V power supply end, and meanwhile, the coil L1_ TP1 is also connected with a capacitor C8 in parallel.

6. The touch control circuit applied to the maglev lamp of claim 5, wherein the power input unit comprises an input interface CN1, a pin 6 of the input interface CN1 is connected to a ground terminal VSS through a capacitor C5, and is used as an output power terminal VCC through a resistor R4, and the power terminal VCC is further connected to the ground terminal VSS through a diode D1 and a capacitor C4, respectively.

7. The TOUCH control circuit applied to the maglev lamp as claimed in claim 6, wherein the pin 1 of the input port CN1 is connected to the network TOUCH _ KEY to supply power to the TOUCH KEY, the pin 2 thereof is connected to the network 1.2V, the pin 3 thereof is connected to the network S-4, the pin 4 thereof is connected to the network GND, the pin 5 thereof is connected to the network VSS, the pin 7 thereof is connected to the network LL +, and the pin 8 thereof is connected to the network LL-.