Light atomization device and lighting system

Abstract

The embodiment of the present application discloses a light atomization device and a lighting system, wherein the light atomization device is separately arranged with the lamp, and comprises an atomization film, a control circuit, a wireless charging circuit and a driving circuit; the atomization film is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the atomization degree so as to change the degree of diffusion of light emitted by the lamp; the wireless charging circuit is configured to be close to the lamp to generate a power supply voltage and transmit an atomization signal sent by the lamp to the control circuit; at the same time, the control circuit is configured to control the driving circuit to generate an AC voltage with a dynamic voltage amplitude using the power supply voltage based on the atomization signal, and then the wireless charging circuit can be used to communicate with the lamp under wireless power supply, so as to realize real-time adjustment of the atomization intensity of the atomization film so as to meet the needs of different application scenarios, thereby solving the technical problem that the effect of the atomization film in lamp application is relatively single.

Description

Technical Field

[0001] The present application relates to the field of lighting technology, and in particular to a light atomization device and a lighting system. Background Art

[0002] In stage lamps, atomized film is used to improve lighting effects. For example, by designing an atomizer at the front end of the focusing lens, a soft light spot effect can be achieved, avoiding the glare problem caused by uneven light spots in traditional lamps.

[0003] However, the atomizing film in the application of lamps only focuses on realizing the switching of the atomizing film between transparent and opaque states, resulting in a relatively simple effect of the atomizing film in the application of lamps. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present application provides a light atomization device and a lighting system, which aim to solve the technical problem that the atomization film in the prior art has a relatively single effect in lamp applications.

[0005] In a first aspect, the present application provides a light atomization device, which is separately arranged with a lamp, and the light atomization device includes: A mist film is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the mist degree so as to change the diffusion degree of the light emitted by the lamp; Control circuit; A wireless charging circuit is electrically connected to the control circuit; the wireless charging circuit is configured to be close to the lamp to generate a power supply voltage and transmit an atomization signal sent by the lamp to the control circuit; A driving circuit, electrically connected to the atomizing film, the wireless charging circuit and the control circuit respectively; The control circuit is configured to control the driving circuit to generate an AC voltage with a dynamic voltage amplitude using a power supply voltage based on the atomization signal.

[0006] In one embodiment, the light atomization device further includes a boost circuit; The boost circuit is electrically connected to the driving circuit and the wireless charging circuit respectively, and is configured to boost the power supply voltage to a preset first power supply voltage; The control circuit is configured to control the driving circuit to generate an AC voltage with a dynamic voltage amplitude by using a first power supply voltage based on the atomization signal.

[0007] In one embodiment, the boost circuit is electrically connected to the control circuit; The control circuit is configured to output a voltage regulation signal to the boost circuit based on the atomization signal; the boost circuit is configured to boost the power supply voltage to the first power supply voltage based on the voltage regulation signal.

[0008] In one embodiment, the control circuit is further configured to output a boost control signal to the boost circuit; the boost circuit is configured to boost the power supply voltage to the first power supply voltage based on the boost control signal and the voltage regulation signal.

[0009] In one embodiment, the light atomization device further includes a first detection circuit; The first detection circuit is electrically connected to the control circuit, and is configured to detect the power supply voltage to output a first detection signal to the control circuit; the control circuit is configured to output a boost control signal according to the first detection signal.

[0010] In one embodiment, the boost circuit includes a Boost module, a first inductor, a first diode and a first capacitor; Among them, the Boost module is provided with a first input terminal, an enable terminal, a feedback terminal and a first output terminal; the first input terminal is electrically connected to one end of the first inductor and is configured to input a power supply voltage; the enable terminal is configured to input a boost control signal, the feedback terminal is configured to input a voltage regulation signal, and the first output terminal is electrically connected to the other end of the first inductor, one end of the first diode and one end of the first capacitor, respectively, and the other end of the first diode and the other end of the first capacitor are both electrically connected to the drive circuit.

[0011] In one embodiment, the boost circuit further includes a second detection circuit; Among them, the second detection circuit is configured to detect the first power supply voltage to output a second detection signal to the control circuit; the control circuit is configured to control the drive circuit to use the first power supply voltage to generate an AC voltage with a dynamic voltage amplitude based on the second detection signal and the atomization signal.

[0012] In one embodiment, the control circuit is provided with a power supply terminal, and the power supply terminal is configured to be connected to a power supply voltage.

[0013] In one embodiment, the light atomization device further includes an LDO circuit; Among them, one end of the LDO circuit is electrically connected to the wireless charging circuit, and the other end of the LDO circuit is electrically connected to the power supply end of the control circuit; the LDO circuit is configured to convert the power supply voltage into a preset second power supply voltage, and the power supply end is configured to access the second power supply voltage.

[0014] In one embodiment, the wireless charging circuit includes a voltage modulation module and a wireless coil; The voltage modulation module is electrically connected to the control circuit and the wireless coil respectively, the wireless coil is configured to obtain the induced voltage, and the voltage modulation module is configured to modulate the induced voltage into a power supply voltage.

[0015] In one embodiment, the driving circuit includes a driving module, a second inductor and a second capacitor; Among them, the driving module includes a second input terminal, a third input terminal, a second output terminal and a third output terminal; the second input terminal is electrically connected to the wireless charging circuit, the third input terminal is electrically connected to the control circuit, the second output terminal is electrically connected to one end of the second inductor, the other end of the second inductor is electrically connected to the atomization film and one end of the second capacitor respectively, and the other end of the second capacitor is electrically connected to the third output terminal.

[0016] In a second aspect, the present application further provides a lighting system, which includes a lamp and the light atomization device provided in the first aspect; the light atomization device and the lamp are separately arranged, and are electrically connected and communicated wirelessly.

[0017] The light atomization device provided in the present application is separately arranged with the lamp, and includes an atomization film, a control circuit, a wireless charging circuit and a driving circuit; the atomization film is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the atomization degree so as to change the diffusion degree of the light emitted by the lamp; the wireless charging circuit is configured to be close to the lamp to generate a power supply voltage and transmit the atomization signal sent by the lamp to the control circuit; at the same time, the control circuit is configured to control the driving circuit to generate an AC voltage with a dynamic voltage amplitude using the power supply voltage based on the atomization signal, and then the wireless charging circuit can be used to communicate with the lamp under wireless power supply to realize real-time adjustment of the atomization intensity of the atomization film to meet the needs of different application scenarios, thereby solving the technical problem that the effect of the atomization film in the application of lamps is relatively single, and at the same time, it can also save the wiring harness winding between the light atomization device and the lamp, thereby increasing the waterproof performance of the light atomization device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A first schematic block diagram of a light atomization device provided in an embodiment of the present application; Figure 2 A second schematic block diagram of the light atomization device provided in an embodiment of the present application; Figure 3 A third schematic block diagram of the light atomization device provided in an embodiment of the present application; Figure 4 A circuit diagram of a control circuit provided in an embodiment of the present application; Figure 5 A circuit diagram of a first detection circuit provided in an embodiment of the present application; Figure 6A circuit diagram of a boost circuit provided in an embodiment of the present application; Figure 7 A circuit diagram of a wireless charging circuit provided in an embodiment of the present application; Figure 8 A circuit diagram of an LDO circuit provided in an embodiment of the present application; Fig. 9 A circuit diagram of a driving circuit provided in an embodiment of the present application; Fig.10 A schematic block diagram of a lighting system provided in an embodiment of the present application.

[0020] Reference numerals: 1. Lighting system; 10. Light atomization device; 100. Atomization film; 110. Control circuit; 120. Wireless charging circuit; 130. Drive circuit; 140. Boost circuit; 141. First diode; 142. Second detection circuit; 150. First detection circuit; 160. LDO circuit; 20. Lamp. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0022] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0023] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0024] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0025] In addition, in this application, unless otherwise clearly specified or limited in the embodiments, the terms "installed", "connected", "connected" and "fixed" etc. appearing in the embodiments should be understood in a broad sense. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection. It can be understood that it can also be a mechanical connection, an electrical connection, etc.; of course, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements, or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific implementation situation.

[0026] Atomized film, also known as dimming film, is a special film that can adjust the state of light passing through. Its working principle is based on liquid crystal technology, and it mainly switches between a scattering state and a transparent state.

[0027] Atomized film can be used to make electrically controlled atomized glass with adjustable transparency, which is composed of one or more layers of thin film materials sandwiched between two pieces of glass, including a dimming layer containing liquid crystal molecules. In the off-state, the liquid crystal molecules in the dimming layer are randomly distributed. When light passes through, it cannot penetrate in a straight line due to scattering and refraction, causing the glass to appear opaque or translucent, and look like frosted glass. When powered on, that is, after applying AC voltage, the liquid crystal molecules are arranged in an orderly manner along the direction of the electric field under the action of the electric field, allowing the originally scattered light to pass smoothly, thus making the glass completely transparent, and the internal scene can be clearly seen from the outside.

[0028] Atomized film can quickly switch between transparent and atomized states to achieve dynamic light and shadow effects. For example, by covering the surface of a lamp with atomized film, the driver can be controlled to quickly switch between the power-on and power-off states to create unique light and shadow changes. This effect can be used in decorative lamps, such as chandeliers, wall lamps, etc., to add an artistic feel to the interior space.

[0029] At the same time, the change in transparency of the atomized film can be used to realize the intelligent dimming function. It can be combined with sensors and single-chip microcomputers to automatically adjust the transparency according to the intensity of ambient light, thereby controlling the brightness of the lamp, which not only saves energy but also provides a more comfortable lighting experience. In addition, in some places where privacy protection is required, such as offices and conference rooms, the atomized film can be installed on the lamp. When privacy protection is required, the atomized film becomes opaque, and the lamp can provide soft background light, which not only meets the privacy needs, but also provides the necessary lighting.

[0030] However, the atomizing film in the application of lamps only focuses on realizing the switching of the atomizing film between transparent and opaque states, resulting in a relatively simple effect of the atomizing film in the application of lamps.

[0031] To this end, the present application provides a light atomization device and a lighting system, wherein the light atomization device is separated from the lamp and comprises an atomization film, a control circuit, a wireless charging circuit and a driving circuit; the atomization film is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the atomization degree so as to change the degree of diffusion of light emitted by the lamp; the wireless charging circuit is configured to be close to the lamp to generate a power supply voltage and transmit an atomization signal sent by the lamp to the control circuit; at the same time, the control circuit is configured to control the driving circuit to generate an AC voltage with a dynamic voltage amplitude using the power supply voltage based on the atomization signal, and then the wireless charging circuit can be used to communicate with the lamp under wireless power supply to achieve real-time adjustment of the atomization intensity of the atomization film to meet the needs of different application scenarios, thereby solving the technical problem that the effect of the atomization film in the application of lamps is relatively single, and at the same time, the wiring harness winding between the light atomization device and the lamp can be eliminated, thereby increasing the waterproof performance of the light atomization device.

[0032] See also Figure 1 and Fig.10 , Figure 1 A first schematic block diagram of a light atomization device 10 provided in an embodiment of the present application; Fig.10 Schematic block diagram of the lighting system 1 provided in the embodiment of the present application. Figure 1 and Fig.10 As shown, the present application provides a light atomization device 10, which is separated from the lamp 20 and includes: The atomizing film 100 is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the atomization degree so as to change the diffusion degree of the light emitted by the lamp 20; Control circuit 110; The wireless charging circuit 120 is electrically connected to the control circuit 110 ; the wireless charging circuit 120 is configured to be close to the lamp 20 to generate a power supply voltage and transmit the atomization signal sent by the lamp 20 to the control circuit 110 ; The driving circuit 130 is electrically connected to the atomizing film 100 , the wireless charging circuit 120 and the control circuit 110 ; The control circuit 110 is configured to control the driving circuit 130 to generate an AC voltage with a dynamic voltage amplitude using a power supply voltage based on the atomization signal.

[0033] In this embodiment, the wireless charging circuit 120 can be close to the lamp 20 to generate an induced voltage from the lamp 20 and receive an atomization signal sent by the lamp 20 from the lamp 20. The induced voltage can be transmitted to the driving circuit 130 in the form of a power supply voltage. At the same time, the atomization signal can be transmitted to the control circuit 110 via the wireless charging circuit 120. The driving circuit 130 can be controlled by the control circuit 110, and after the control circuit 110 receives the atomization signal transmitted by the wireless charging circuit 120, the driving circuit 130 is controlled to use the power supply voltage to generate an AC voltage with a dynamic voltage amplitude. The AC voltage with a dynamic voltage amplitude can be applied to the atomization film 100. The atomization film 100 can adjust the atomization degree by the AC voltage with a dynamic voltage amplitude to achieve stepless adjustment of the atomization degree of the atomization film 100, thereby changing the degree of diffusion of the light emitted by the lamp 20.

[0034] Specifically, the AC voltage with dynamic voltage amplitude can be understood as the voltage amplitude of the AC voltage being in an adjustable state. The AC voltage with dynamic voltage amplitude can be composed of multiple AC voltages with different voltage amplitudes, and the frequencies between the AC voltages with different voltage amplitudes can be the same or different.

[0035] The power supply voltage may be a 5V DC voltage, and the voltage amplitude of the AC voltage refers to the maximum change value of the AC signal from zero point to a positive peak value or a negative peak value in one cycle, which is usually expressed in volts (V).

[0036] The haze of the atomizing film 100 is an important indicator to measure its light shielding effect in the non-powered state, and is usually expressed as haze. Haze refers to the proportion of light scattering when passing through the material. The higher the haze, the better the atomizing effect of the material and the lower the transparency.

[0037] At the same time, the AC voltage with dynamic voltage amplitude provided by the present application can have 128 AC voltages with different voltage amplitudes, so that the degree of atomization of the atomizing film 100 can also be adjusted to 128 levels. Among them, the higher the voltage amplitude of the AC voltage, the more transparent the atomizing film 100 will be after it is applied to the atomizing film 100; the lower the voltage amplitude of the AC voltage, the more atomized the atomizing film 100 will be after it is applied to the atomizing film 100.

[0038] The light atomization device 10 provided in the present application is separated from the lamp 20 and includes an atomization film 100, a control circuit 110, a wireless charging circuit 120 and a driving circuit 130; the atomization film 100 is configured to apply an AC voltage with a dynamic voltage amplitude to adjust the atomization degree so as to change the diffusion degree of the light emitted by the lamp 20; the wireless charging circuit 120 is configured to be close to the lamp 20 to generate a power supply voltage and transmit the atomization signal sent by the lamp 20 to the control circuit 110; and the control circuit 110 is It is configured to control the driving circuit 130 to generate an AC voltage with a dynamic voltage amplitude based on the atomization signal using the power supply voltage, and then can use the wireless charging circuit 120 to communicate with the lamp 20 under wireless power supply, so as to realize real-time adjustment of the atomization intensity of the atomization film 100 to meet the needs of different application scenarios, solve the technical problem that the effect of the atomization film 100 in the application of the lamp 20 is relatively single, and at the same time, it can also save the wiring harness between the light atomization device 10 and the lamp 20, thereby increasing the waterproof performance of the light atomization device 10.

[0039] In some embodiments, Figure 2 As shown, the light atomization device 10 also includes a boost circuit 140; wherein the boost circuit 140 is electrically connected to the drive circuit 130 and the wireless charging circuit 120, respectively, and is configured to boost the power supply voltage to a preset first power supply voltage; the control circuit 110 is configured to control the drive circuit 130 to use the first power supply voltage to generate an AC voltage with a dynamic voltage amplitude based on the atomization signal.

[0040] In this embodiment, a boost circuit 140 may be further configured between the wireless charging circuit 120 and the driving circuit 130. The boost circuit 140 may boost the power supply voltage output by the wireless charging circuit 120 to a first power supply voltage. At the same time, the control circuit 110 may control the driving circuit 130 to modulate the first power supply voltage into an AC voltage with different voltage amplitudes, i.e., an AC voltage with a dynamic voltage amplitude, based on the atomization signal sent by the wireless charging circuit 120, so as to infinitely adjust the atomization degree of the atomizing film 100, thereby achieving the purpose of changing the diffusion degree of the light emitted by the lamp 20. The first power supply voltage may be a DC voltage of 30V.

[0041] It should be noted that the boost circuit 140 can directly boost the DC voltage during the process of boosting the DC voltage, namely, DC / DC boost conversion; at the same time, the boost circuit 140 can also be controlled by the control circuit 110 to boost and convert the DC voltage into a different DC voltage.

[0042] In some embodiments, Figure 2As shown, the boost circuit is electrically connected to the control circuit 110; wherein the control circuit 110 is configured to output a voltage regulation signal to the boost circuit 140 based on the atomization signal; the boost circuit 140 is configured to boost the power supply voltage to the first power supply voltage based on the voltage regulation signal.

[0043] In this embodiment, the control circuit 110 can be configured to output a voltage adjustment signal to the boost circuit 140 based on the atomization signal to control the boost circuit 140 to boost the power supply voltage to a plurality of first power supply voltages with different voltage values, so that the drive circuit 130 can use the first power supply voltages with different voltage values ​​for voltage conversion to convert them into AC voltages with different voltage amplitudes, i.e., AC voltages with dynamic voltage amplitudes. Among them, the AC voltages with each voltage amplitude can be configured to drive the atomizing film 100 to achieve the effect of infinitely adjusting the atomizing degree of the atomizing film 100 when the atomizing film 100 is in a state of different atomization degrees.

[0044] Specifically, the control circuit 110 may be Figure 4 The provided MCU (Microcontroller Unit) chip has a pin PA0, and can output a 20kHz frequency signal PWM-ADJ with different duty cycles, i.e., a voltage regulation signal, through the pin PA0 to control the boost circuit 140 to boost the power supply voltage to a first power supply voltage with different voltage values.

[0045] Furthermore, if Figure 4 As shown, the control circuit 110 can be an MCU chip, and the MCU chip is also provided with pins PA7 and pins PA8, and pins PA7 and pins PA8 are electrically connected to the drive circuit 130 to realize that the control circuit 110 is electrically connected to the drive circuit 130, and then the MCU chip can output signals IN1 and IN2 through pins PA7 and pins PA8, that is, conversion signals, to control the drive circuit 130 to convert the first power supply voltage Boos-Vout with different voltage values ​​into AC voltages with different voltage amplitudes.

[0046] Furthermore, the wireless charging circuit 120 can use an IIC (Inter-Integrated Circuit) interface to transmit the atomization signal to the control circuit 110. After receiving the atomization signal, the control circuit 110 can generate a voltage adjustment signal so that the boost circuit 140 can boost the power supply voltage to the first power supply voltage according to the voltage adjustment signal. The atomization signal can be understood as an instruction for the lamp 20 to adjust the atomization degree of the atomization film 100.

[0047] Specifically, Figure 4 , Figure 6 and Figure 7As shown, the control circuit 110 may be an MCU chip, the Boost module U1 of the boost circuit 140 may be a Boost boost chip, and the voltage modulation module U2 of the wireless charging circuit 120 may be a power management chip. The MCU chip may also be provided with pins PA0, PA4, PA5, and PA6, the Boost boost chip may also be provided with a pin FB, and the power management chip may also be provided with pins SDA, SCL, and IRQ.

[0048] Among them, pin SDA, pin SCL and pin IRQ can be electrically connected to pins PA4, PA5 and PA6 through the IIC interface to realize the transmission of the atomization signal. At the same time, pin SDA is electrically connected to pin VDD of the MCU chip through resistor R2, pin SCL is electrically connected to pin R3, and pin IRQ is electrically connected to pin VDD of the MCU chip through resistor R4 to pull up the power supply end of the MCU chip to ensure that the MCU chip can still work normally when the power supply is unstable or not fully powered on, while reducing power consumption and improving the reliability of the MCU chip.

[0049] At the same time, pin PA0 is electrically connected to pin FB through resistors R6, R7 and R10 connected in series, so as to input a voltage regulation signal to the Boost chip. Among them, resistors R6 and R7 are connected to ground GND through capacitor C8, and resistors R7 and R10 are connected to ground GND through capacitor C10. A detection circuit is provided between resistor R6 and pin FB, which may be composed of resistors R8 and R9. One end of resistor R8 is electrically connected to the cathode of diode D3, and the other end of resistor R8 is electrically connected to pin FB, resistor R6 and one end of resistor R9, respectively. The other end of resistor R9 is connected to ground GND. Then, the first power supply voltage output by boost circuit 140 may be calculated through resistors R8 and R9, and the calculation formula may be: first power supply voltage = 0.6V* (1+R8 / R9).

[0050] In some embodiments, Figure 4 As shown, the control circuit 110 is further configured to output a boost control signal to the boost circuit 140; the boost circuit 140 is configured to boost the power supply voltage to the first power supply voltage based on the boost control signal and the voltage regulation signal.

[0051] In this embodiment, the control circuit 110 can be an MCU chip, and the MCU chip is also provided with a pin PA2, and the pin PA2 is electrically connected to the boost circuit 140. The MCU chip can output a boost control signal Boost-EN to the boost circuit 140 through the pin PA2. At the same time, the MCU chip can output a signal PWM-ADJ with a frequency of 20kHz and a different duty cycle through the pin PA0, that is, a voltage regulation signal, so as to control the boost circuit 140 to boost the power supply voltage VCC to the first power supply voltage Boos-Vout through the boost control signal Boost-EN and the signal PWM-ADJ (voltage regulation signal).

[0052] It can be understood that the boost circuit 140 can use the boost control signal alone to convert the power supply voltage VCC into a fixed first power supply voltage Boos-Vout, or it can combine the signal PWM-ADJ (voltage adjustment signal) when using the boost control signal for boost conversion to boost the power supply voltage VCC into a different first power supply voltage Boos-Vout, that is, a dynamic first power supply voltage Boos-Vout.

[0053] In some embodiments, Figure 3 As shown, the light atomization device also includes a first detection circuit 150; wherein the first detection circuit 150 is electrically connected to the control circuit 110, and the first detection circuit 150 is configured to detect the power supply voltage to output a first detection signal to the control circuit 110; the control circuit 110 is configured to output a boost control signal according to the first detection signal.

[0054] In this embodiment, the control circuit 110 can determine whether it is necessary to output a boost control signal to the boost circuit 140 through the first detection circuit 150. The first detection circuit 150 can output a first detection signal to the control circuit 110. The control circuit 110 determines whether the power supply voltage VCC exceeds a preset voltage value, such as 4.5V, through the first detection signal. If it exceeds the preset voltage value, the control circuit 110 can output a boost control signal to the boost circuit 140.

[0055] Furthermore, in some embodiments, Figure 4 and Figure 5 As shown, the control circuit 110 can be an MCU chip, and the MCU chip is also provided with a pin PA3. The first detection circuit 150 includes a resistor R13 and a resistor R14. One end of the resistor R13 is electrically connected to the voltage input end of the boost circuit 140, that is, the input end of the power supply voltage VCC input to the boost voltage, and the other end of the resistor R13 is electrically connected to the pin PA3 and one end of the resistor R14 respectively, and the other end of the resistor R14 is grounded GND.

[0056] Furthermore, the MCU chip can obtain the first detection signal VIN-ADC through pin PA3, and determine whether to output a boost control signal to the boost circuit 140 by judging whether the power supply voltage VCC exceeds a preset voltage value, thereby controlling the boost circuit 140 to perform a boost conversion.

[0057] In some embodiments, Figure 6 As shown, the boost circuit 140 includes a Boost module U1, a first inductor L1, a first diode 141 and a first capacitor C1; wherein the Boost module U1 is provided with a first input terminal, an enable terminal, a feedback terminal and a first output terminal; the first input terminal is electrically connected to one end of the first inductor L1 and is configured to input a power supply voltage VCC; the enable terminal is configured to input a boost control signal, the feedback terminal is configured to input a voltage adjustment signal, the first output terminal is electrically connected to the other end of the first inductor L1, one end of the first diode 141 and one end of the first capacitor C1, respectively, and the other end of the first diode 141 and the other end of the first capacitor C1 are both electrically connected to the drive circuit 130.

[0058] In this embodiment, the boost circuit 140 can be a Boost voltage doubling circuit, which can achieve higher conversion efficiency by optimizing the duty cycle and control strategy, and is suitable for a variety of input voltage ranges and output voltage requirements. At the same time, compared with other boost solutions, its cost is lower.

[0059] The Boost module U1 can be a Boost boost chip, and the Boost boost chip can be provided with a pin IN, a pin EN, two pins LX, a pin FB and a pin GND. The pin IN can be used as the first input terminal of the Boost module U1, and the pin IN is electrically connected to one end of the first inductor L1. At the same time, the pin IN can be connected to the ground GND through two parallel capacitors C5 and C12 to perform filtering to ensure the stability of the power supply voltage VCC input to the boost circuit 140. The pin EN can be used as the enable terminal of the Boost module U1, which can be electrically connected to Figure 4 Pin PA2 of the MUC chip in the Boost module is used to receive the boost control signal input by the MCU chip, and pin EN is grounded to GND through resistor R1; the two pins LX can be used as the first output end of the Boost module U1, which can be electrically connected to the other end of the first inductor L1 and grounded to GND through a capacitor C3 and a resistor R5 connected in series; pin GND is grounded to GND.

[0060] Specifically, the first diode 141 may include a diode D1 and a diode D2, the anode of the diode D1 may serve as one end of the first diode 141 and be electrically connected to one end of the first capacitor C1, the cathode of the diode D1 may be electrically connected to the anode of the diode D2, and the cathode of the diode D1 may be grounded GND through capacitors C4 and C6 connected in parallel, and the cathode of the diode D2 may serve as the other end of the first diode 141 and be electrically connected to the other end of the first capacitor C1.

[0061] Meanwhile, the cathode of diode D2 is electrically connected to driving circuit 130 through diode D3. Specifically, the cathode of diode D2 is electrically connected to the anode of diode D3, and the cathode of diode D3 is electrically connected to driving circuit 130 and grounded GND through capacitors C9 and C11 connected in parallel.

[0062] In some embodiments, Figure 7 As shown, the wireless charging circuit 120 includes a voltage modulation module U2 and a wireless coil L3; wherein the voltage modulation module U2 is electrically connected to the boost circuit 140 and the wireless coil L3 respectively, the wireless coil L3 is configured to obtain an induced voltage, and the voltage modulation module U2 is configured to modulate the induced voltage into a power supply voltage VCC.

[0063] In this embodiment, the voltage modulation module U2 can be a power management chip, and the power management chip can be provided with pin SW1, pin SW2, and pin VOUT. Pin SW1 and pin SW2 can be electrically connected to the two ends of the wireless coil L3 respectively. The wireless coil L3 can be configured to obtain the induced voltage and input it into the voltage modulation module U2, and after being modulated by the voltage modulation module U2, a stable output power supply voltage VCC is output through pin VOUT.

[0064] In some embodiments, the control circuit 110 is provided with a power supply terminal, and the power supply terminal is configured to receive a power supply voltage.

[0065] In this embodiment, the wireless charging circuit 120 is also configured to supply power to the control circuit 110. Specifically, the control circuit 110 is provided with a power supply terminal, which is configured to access a power supply voltage, so that the control circuit 110 can be powered by the power supply voltage.

[0066] Specifically, the power supply voltage output by the wireless charging circuit 120 may be modulated into a power supply voltage VDD-MCU of the control circuit 110 , and the power supply voltage VDD-MCU may be input into the control circuit 110 to power the control circuit 110 .

[0067] Furthermore, in some embodiments, Figure 3As shown, the light atomization device 10 also includes an LDO circuit 160; wherein, one end of the LDO circuit 160 is electrically connected to the wireless charging circuit 120, and the other end of the LDO circuit 160 is electrically connected to the control circuit 110; the LDO circuit 160 is configured to convert the voltage output by the wireless charging circuit 120 into a power supply voltage VDD-MCU of the control circuit 110, that is, a second power supply voltage.

[0068] The LDO (Low Drop-Out Regulator) circuit converts the input voltage into a stable output voltage, and the output voltage can be kept constant even if the input voltage fluctuates. The working principle of the LDO circuit 160 is based on a negative feedback mechanism, and the output current is controlled by a regulating tube (usually PMOS or NMOS) to achieve voltage regulation.

[0069] In this embodiment, the power supply voltage output by the wireless charging circuit 120 can be converted by the LDO circuit 160 to stably output the power supply voltage VDD-MCU of the control circuit 110. Specifically, the 5V power supply voltage can be converted into a 3.3V power supply voltage VDD-MCU to power the control circuit 110.

[0070] Specifically, Figure 4 and Figure 8 As shown, the LDO circuit 160 includes a low-voltage dropout regulator U4, a capacitor C13 and a capacitor C15. The low-voltage dropout regulator U4 may be provided with a pin IN, a pin EN, a pin GND and a pin OUT. The control circuit 110 may be an MCU chip, and the MCU chip is also provided with a pin VDD. Among them, after the pin IN and the pin EN of the low-voltage dropout regulator U4 are connected, the power supply voltage VCC output by the wireless charging circuit 120 can be received, and the ground GND is also connected through the capacitor C13; the pin GND, the pin IN and the pin EN of the low-voltage dropout regulator U4 are grounded; the pin OUT of the low-voltage dropout regulator U4 can output the power supply voltage VDD-MCU to the pin VDD of the MCU chip to power the control circuit 110, and the pin OUT of the low-voltage dropout regulator U4 is grounded GND through the capacitor C15. At the same time, the pin VDD of the MCU chip is grounded GND through the capacitor C14, and is grounded with the pin GND of the MCU chip.

[0071] In some embodiments, Figure 6 As shown, the boost circuit 140 also includes a second detection circuit 142; wherein the second detection circuit 142 is configured to detect the voltage output by the boost circuit 140 to the drive circuit 130 to output a second detection signal to the control circuit 110; the control circuit 110 is configured to output a voltage adjustment signal according to the second detection signal and the atomization signal.

[0072] In this embodiment, the second detection circuit 142 may include a resistor R11 and a resistor R12, and the connection point between the resistor R11 and the resistor R12 can output a second detection signal to the control circuit 110, and then when the atomizing film 100 needs to be infinitely adjusted, that is, after the control circuit 110 receives the atomizing signal, the control circuit 110 can determine the first power supply voltage currently output by the boost circuit 140 according to the second detection signal, and determine the first power supply voltage that the boost circuit 140 needs to output according to the atomizing signal, that is, combine the second detection signal and the atomizing signal to output a voltage adjustment signal to generate a voltage adjustment signal, and input the generated voltage adjustment signal into the boost circuit 140 to control the boost circuit 140 to output the required first power supply voltage, thereby ensuring that the AC voltage finally converted by the drive circuit 130 can drive the atomization degree of the atomizing film 100 to reach the target value.

[0073] Specific, combined Figure 4 and Figure 6 The control circuit 110 may be an MCU chip, and the MCU chip is further provided with a pin PA1, which is electrically connected to a connection point between the resistor R11 and the resistor R12, and receives a second detection signal Boost-ADC. After the second detection signal Boost-ADC is input into the MCU chip, the MCU chip may determine the first power supply voltage currently output by the boost circuit 140 according to the second detection signal Boost-ADC, and determine the first power supply voltage that the boost circuit 140 needs to output according to the atomization signal, that is, combine the second detection signal Boost-ADC and the atomization signal to output a voltage adjustment signal to generate a voltage adjustment signal, and input the generated voltage adjustment signal into the boost circuit 140 to control the boost circuit 140 to output the required first power supply voltage, thereby ensuring that the AC voltage finally converted by the drive circuit 130 can drive the atomization degree of the atomization film 100 to reach the target value.

[0074] It should be noted that the second detection circuit 142 provided in the present application can actually be arranged outside the boost circuit, and it can be used as a separate circuit module to detect the voltage output by the boost circuit 140 to the drive circuit 130, so as to output a second detection signal to the control circuit 110.

[0075] In some embodiments, Fig. 9 As shown, the driving circuit 130 includes a driving module U3, a second inductor L2 and a second capacitor C2; wherein the driving module U3 includes a second input terminal, a second output terminal and a third output terminal; the second input terminal is configured to input a dynamic first power supply voltage Boos-Vout, the second output terminal is electrically connected to one end of the second inductor L2, the other end of the second inductor L2 is electrically connected to the atomizing film 100 and one end of the second capacitor C2 respectively, and the other end of the second capacitor C2 is electrically connected to the third output terminal.

[0076] In this embodiment, the driving circuit 130 is electrically connected to the atomizing film 100 via the interface P1. The driving module U3 may be a driving chip. The driving chip is provided with pins IN1, IN2, VM, OUT1, OUT2, ISEN, GND and PAD. Pins IN1 and IN2 of the driving chip may be used as the second input terminal of the driving module U3, which may be electrically connected to the control circuit 110 so as to receive the conversion signal output by the control circuit 110 to execute the conversion of the dynamic first power supply voltage Boos-Vout into an AC voltage with a dynamic voltage amplitude. ; The pin VM of the driving chip can input the dynamic first power supply voltage Boos-Vout and be grounded GND through the capacitor C7; the pin OUT1 of the driving chip can be used as the second output terminal of the driving module U3, which is electrically connected to one end of the second inductor L2; the pin OUT2 of the driving chip can be used as the third output terminal of the driving module U3, which is electrically connected to the other end of the second capacitor C2 and electrically connected to the pin 2 of the interface P1, and the other end of the second inductor L2 is respectively electrically connected to one end of the second capacitor C2 and the pin 1 of the interface P1; the pin ISEN, pin GND and pin PAD of the driving chip are grounded.

[0077] Furthermore, the driver chip is also provided with a pin VREF, which is electrically connected to the power supply end of the control circuit 110, and specifically electrically connected to the pin VDD of the MCU chip. The pin VREF is pulled up together with the pin VDD of the MCU chip, thereby ensuring that the driver chip can still work normally when the power supply is unstable or not fully powered on, while reducing power consumption and improving the reliability of the driver chip.

[0078] In some embodiments, Fig.10 As shown, the present application also provides a lighting system 1, which includes a lamp 20 and a light atomization device 10 provided in the present application; the light atomization device 10 and the lamp 20 are separately arranged, and are electrically connected and communicated wirelessly.

[0079] The lighting system 1 provided in the present application, after adopting the light atomization device 10 provided in the embodiment of the present application, can not only communicate with the lamp 20 using the wireless charging circuit 120 under wireless power supply, but also realize real-time adjustment of the atomization intensity of the atomization film 100 to meet the needs of different application scenarios, thereby solving the technical problem that the effect of the atomization film 100 in the application of the lamp 20 is relatively single, but also eliminates the entanglement of the wire harness between the light atomization device 10 and the lamp 20, thereby increasing the waterproof performance of the light atomization device 10.

[0080] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A light atomization device (10), characterized in that: The light atomizing device (10) and the lamp (20) are arranged separately, and the light atomizing device (10) comprises: An atomizing film (100) is configured to apply an alternating voltage with a dynamic voltage amplitude to adjust the degree of atomization, so as to change the degree of diffusion of light emitted by the lamp (20); Control circuit (110); a wireless charging circuit (120) electrically connected to the control circuit (110); the wireless charging circuit (120) is configured to be close to the lamp (20) to generate a power supply voltage and transmit an atomization signal sent by the lamp (20) to the control circuit (110); A driving circuit (130) electrically connected to the atomizing film (100), the wireless charging circuit (120) and the control circuit (110), respectively; The control circuit (110) is configured to control the drive circuit (130) to generate an AC voltage with the dynamic voltage amplitude using the power supply voltage based on the atomization signal.

2. The light atomization device (10) according to claim 1, characterized in that: The light atomization device (10) further comprises a voltage boost circuit (140); The boost circuit (140) is electrically connected to the drive circuit (130) and the wireless charging circuit (120), respectively, and is configured to boost the power supply voltage to a preset first power supply voltage; The control circuit (110) is configured to control the drive circuit (130) to generate an AC voltage with the dynamic voltage amplitude using the first power supply voltage based on the atomization signal.

3. The light atomization device (10) according to claim 2, characterized in that: The boost circuit (140) is electrically connected to the control circuit (110); The control circuit (110) is configured to output a voltage regulation signal to the boost circuit (140) based on the atomization signal; and the boost circuit (140) is configured to boost the power supply voltage to the first power supply voltage based on the voltage regulation signal.

4. The light atomization device (10) according to claim 3, characterized in that: The control circuit (110) is further configured to output a boost control signal to the boost circuit (140); the boost circuit (140) is configured to boost the power supply voltage to the first power supply voltage based on the boost control signal and the voltage adjustment signal.

5. The light atomization device (10) according to claim 4, characterized in that: The light atomization device (10) further comprises a first detection circuit (150); The first detection circuit (150) is electrically connected to the control circuit (110), and the first detection circuit (150) is configured to detect the power supply voltage to output a first detection signal to the control circuit (110); and the control circuit (110) is configured to output the boost control signal according to the first detection signal.

6. The light atomization device (10) according to claim 4, characterized in that: The boost circuit (140) comprises a Boost module (U1), a first inductor (L1), a first diode (141) and a first capacitor (C1); The Boost module (U1) is provided with a first input terminal, an enable terminal, a feedback terminal and a first output terminal; the first input terminal is electrically connected to one end of the first inductor (L1) and is configured to input the power supply voltage; the enable terminal is configured to input the boost control signal, the feedback terminal is configured to input the voltage regulation signal, the first output terminal is electrically connected to the other end of the first inductor (L1), one end of the first diode (141) and one end of the first capacitor (C1), respectively; the other end of the first diode (141) and the other end of the first capacitor (C1) are both electrically connected to the drive circuit (130).

7. The light atomization device (10) according to claim 2, characterized in that: The boost circuit (140) further includes a second detection circuit (142); The second detection circuit (142) is configured to detect the first power supply voltage to output a second detection signal to the control circuit (110); the control circuit (110) is configured to control the drive circuit (130) to generate an AC voltage with the dynamic voltage amplitude using the first power supply voltage according to the second detection signal and the atomization signal.

8. The light atomization device (10) according to any one of claims 1 to 7, characterized in that: The control circuit (110) is provided with a power supply terminal, and the power supply terminal is configured to be connected to the power supply voltage.

9. The light atomization device (10) according to claim 8, characterized in that: The light atomization device (10) further comprises an LDO circuit (160); One end of the LDO circuit (160) is electrically connected to the wireless charging circuit (120), and the other end of the LDO circuit (160) is electrically connected to a power supply end of the control circuit (110); the LDO circuit (160) is configured to convert the power supply voltage into a preset second power supply voltage, and the power supply end is configured to be connected to the second power supply voltage.

10. The light atomization device (10) according to any one of claims 1 to 7, characterized in that: The wireless charging circuit (120) comprises a voltage modulation module (U2) and a wireless coil (L3); The voltage modulation module (U2) is electrically connected to the control circuit (110) and the wireless coil (L3), respectively; the wireless coil (L3) is configured to obtain an induced voltage; and the voltage modulation module (U2) is configured to modulate the induced voltage into the power supply voltage.

11. The light atomization device (10) according to any one of claims 1 to 7, characterized in that: The driving circuit (130) comprises a driving module (U3), a second inductor (L2) and a second capacitor (C2); The driving module (U3) comprises a second input terminal, a third input terminal, a second output terminal and a third output terminal; the second input terminal is electrically connected to the wireless charging circuit (120), the third input terminal is electrically connected to the control circuit (110), the second output terminal is electrically connected to one end of the second inductor (L2), the other end of the second inductor (L2) is electrically connected to the atomizing film (100) and one end of the second capacitor (C2), respectively, and the other end of the second capacitor (C2) is electrically connected to the third output terminal.

12. A lighting system (1), characterized in that: It comprises a lamp (20) and a light atomization device (10) according to any one of claims 1 to 11; the light atomization device (10) and the lamp (20) are arranged separately and are electrically connected and communicated with each other in a wireless manner.

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