Abstract: The present disclosure provides a feedback circuit for monitoring a heating loop, comprising a sample input module, a voltage conversion module and a main control chip. The sample input module has an input terminal coupled to the heating loop and configured to collect a voltage signal from the heating loop, and an output terminal electrically coupled to an input terminal of the voltage conversion module. The voltage conversion module has an output terminal coupled to an input terminal of the main control chip, and is configured to convert the voltage signal received from the sample input module into a voltage signal that the main control chip can withstand. The main control chip is configured to send a sample control signal to the heating loop, and calculate and output magnitude of the voltage signal inputted to the sample input module according to the voltage signal outputted by the voltage conversion module.

Abstract: An ultrasonic liquid electronic cigarette atomizer and an ultrasonic liquid electronic cigarette are disclosed. The ultrasonic liquid electronic cigarette atomizer comprises an atomization core, a suction nozzle and an air outlet tube. A bottom end of the air outlet tube is communicated with an atomization chamber of the atomization core. A top end of the air outlet tube is communicated with the suction nozzle. The top end of the air outlet tube is communicated with a bottom end of the suction nozzle through a liquid blocking chamber, and the diameter of a top end of the liquid blocking chamber is greater than the diameter of the bottom end of the suction nozzle. The atomizer further comprises a connecting seat between the liquid blocking chamber and the suction nozzle.

Abstract: Embodiments of the present invention disclose an atomizer of electronic cigarette, comprising an ultrasonic atomization piece, wherein one surface of the ultrasonic atomization piece is in contact with a tobacco tar storage piece; the tobacco tar storage piece communicates with a tobacco tar cavity; the tobacco tar storage piece communicates with an airflow passage; and the tobacco tar storage piece and the ultrasonic atomization piece are sequentially provided along a smoke outflow direction.

Abstract: An ultrasonic electronic cigarette is disclosed. The electronic cigarette includes a housing (1) provided with an atomization sheet assembly (2) and a cartridge (3) therein. The atomization sheet assembly (2) comprises an ultrasonic atomization sheet (4) and an atomization seat (5) for supporting and fixing the ultrasonic atomization sheet (4). A top cover (7) is connected to the top end of the housing (1). A suction nozzle (8) is connected to the top cover (7). A press plate (9) and a locking mechanism (10) for controlling the press plate (9) to be opened or closed are also disposed in the housing (1). The cartridge (3) is fixed in the press plate (9). When the top cover (7) is closed and the locking mechanism (10) is locked, the press plate (9) and/or the cartridge (3) abut against the atomization sheet assembly (2).

Abstract: Embodiments of the present invention disclose an electronic cigarette atomizer, including an outer sleeve and a suction nozzle connected with one end of the outer sleeve, wherein a tobacco tar cavity and an atomization core are provided in the outer sleeve; the atomization core comprises two ultrasonic atomization components, and atomization surfaces of the two ultrasonic atomization components are provided oppositely; a gap is provided between the two atomization surfaces; the gap communicates with the suction nozzle; the two atomization surfaces are in contact with a first tobacco tar storage body and a second tobacco tar storage body respectively; and both of the first tobacco tar storage body and the second tobacco tar storage body communicate with the tobacco tar cavity.

Abstract: An electronic cigarette, comprising a housing and a suction nozzle, the housing provided with a support. The electronic cigarette further comprises a top cover capable of covering an opening of the housing, the suction nozzle is disposed at the top of the top cover, one end of the top cover is connected to the support through a rotating shaft, a clamping rib is disposed at the bottom of the top cover, and a locking mechanism connected to the clamping rib by locking and an elastic mechanism for opening the top cover when the locking mechanism is separated from the clamping rib are also disposed in the housing; the locking mechanism comprises a key handle, a transmission and a first spring, and one end of the key handle is connected to the transmission.

Abstract: An ultrasonic electronic cigarette atomizer are disclosed. The atomizer includes an ultrasonic atomization sheet (1), an atomization cotton (3), a liquid chamber (2), an air inlet tube (6), an air outlet channel (7), and a suction nozzle (8). The atomization cotton (3) is communicated with the liquid chamber (2) and is in contact with an atomization surface of the ultrasonic atomization sheet (1). An inlet of the air inlet tube (6) is communicated with the outside. The air inlet tube (6), an atomization region of the ultrasonic atomization sheet (1), the air outlet channel (7), and the suction nozzle (8) are communicated in sequence. An outlet of the air inlet tube (6) is opposite to the atomization region of the ultrasonic atomization sheet (1).

Abstract: An ultrasonic electronic cigarette atomizer and electronic cigarette are disclosed. The atomizer includes an e-liquid storage assembly and an atomization core detachably connected to the e-liquid storage assembly. The atomization core includes an ultrasonic atomization sheet. The e-liquid storage assembly includes an e-liquid chamber and an e-liquid outlet for communicating an atomization surface of the ultrasonic atomization sheet with the e-liquid chamber. The e-liquid storage assembly further includes a moving assembly that can move in the direction of assembling/disassembling the atomization core to open/close the e-liquid outlet. When the atomization core is connected with the e-liquid storage assembly, the atomization core drives the moving assembly to move and open the e-liquid outlet. When the atomization core is disconnected from the e-liquid storage assembly, the moving assembly is reset and closes the e-liquid outlet.

Abstract: This application provides a voltage control circuit, method and device, and a storage medium. The voltage control circuit includes: a controller and a voltage adjustment circuit both coupled to a power supply terminal for providing a power supply voltage. The controller is configured to: acquire a power supply voltage value at the power supply terminal; determine whether the acquired power supply voltage value deviates from a target power supply voltage value; and determine, in response to the acquired power supply voltage value deviating from the target power supply voltage value, a target control signal associated with the target power supply voltage value; and provide the target control signal to the voltage adjustment circuit. The voltage adjustment circuit is configured to adjust the power supply voltage value at the power supply terminal to the target power supply voltage value according to the target control signal.

Abstract: A circuit for an ultrasonic electronic cigarette and the ultrasonic electronic cigarette are disclosed. The ultrasonic electronic cigarette includes an ultrasonic atomization sheet, a control circuit, a first drive oscillation circuit, a second drive oscillation circuit, and a power circuit. The control circuit is electrically connected to a first end of the ultrasonic atomization sheet through the first drive oscillation circuit, and the control circuit is electrically connected to a second end of the ultrasonic atomization sheet through the second drive oscillation circuit. The circuit for the ultrasonic electronic cigarette further includes a detection circuit. An output end of the detection circuit is electrically connected to the control circuit. And a detection end of the detection circuit is connected between the ultrasonic atomization sheet and the first drive oscillation circuit, or between the ultrasonic atomization sheet and the second drive oscillation circuit.

Abstract: The present application provides an output voltage adjustable circuit, a voltage adjustment method and a display apparatus. The output voltage adjustable circuit includes a DC voltage output sub circuit, configured to output a DC voltage. The output voltage adjustable circuit further includes a resistor-adjustable sub circuit, coupled to the DC voltage output sub circuit, and configured to adjust a resistance of a resistor connected to the DC voltage output sub circuit so that a DC voltage output by the DC voltage output sub circuit is adjustable according to the resistance of the resistor connected to the DC voltage output sub circuit.

Abstract: An ultrasonic electronic cigarette atomizer is disclosed, comprising including an atomization core, an atomizer housing, and a liquid bin. When liquid is filled into the liquid bin, the liquid passing hole is closed and the air outlet channel is closed, to avoid leakage or immersion of liquid, the atomizer is clean and sanitary, waste is avoided, and cost is saved. The whole operation is very simple, the atomization core is convenient to replace, hands are not stained with liquid, and the liquid is convenient to fill. The cigarette liquid is unlikely to flow out through the liquid filling hole, and large granular cigarette liquid generated in atomization can be recycled.

Abstract: The present disclosure discloses a selection and output circuit, and a display device, and the selection and output circuit includes: a first control sub-circuit, a second control sub-circuit, a first output sub-circuit, and a second output sub-circuit, where the first control sub-circuit, the second control sub-circuit, the first output sub-circuit, and the second output sub-circuit are arranged so that the first output sub-circuit and the second output sub-circuit are controlled by the first control sub-circuit and the second control sub-circuit to operate in such a way that only one of the sub-circuits outputs a signal, and the other sub-circuit outputs no signal.

Abstract: Disclosed are an inclined ultrasonic atomizing sheet structure, an atomizer and an electronic cigarette. The inclined ultrasonic atomizing sheet structure comprises atomization cotton and an ultrasonic atomizing sheet. The ultrasonic atomizing sheet is obliquely arranged relative to the horizontal plane, and two ends of the atomization cotton are used for connecting to tobacco tar in a tobacco tar cavity via tobacco tar guide cotton, or the two ends of the atomization cotton are directly arranged in the tobacco tar cavity. A lower surface of the atomization cotton is in contact with an atomization surface of the ultrasonic atomizing sheet. The ultrasonic atomizing sheet structure can prevent the ultrasonic atomizing sheet from being soaked in the tobacco tar and thus prevent the situation that smoke cannot be produced by atomization.

Abstract: The present invention discloses an oscillation control circuit for an ultrasonic atomization sheet, and an ultrasonic electronic cigarette. The oscillation control circuit includes a DC boost module, a separately excited excitation module, and a microcontroller. A power module is connected to the ultrasonic atomization sheet through the DC boost module and the separately excited excitation module, and the separately excited excitation module is electrically connected to the microcontroller.

Abstract: The present invention discloses an ultrasonic atomizer and electronic cigarette. The ultrasonic atomizer includes an atomization piece and a liquid guide structure, which guides liquid onto an upper surface of the atomization piece; the liquid guide structure communicates with a liquid storage cavity; the upper surface of the atomization piece communicates with an airflow passage; and the atomization piece comprises a piezoelectric ceramic layer and an electric conductor, which drives vibration of the piezoelectric ceramic layer. No micropore needs to be provided in the atomization piece of the present invention to eject the atomized gas, thereby being free of the situation that the micropore is blocked by larger atomized gas particles, resulting in that the atomized gas cannot be ejected, and meanwhile the situation of liquid leakage of the atomizer can be better prevented.

Abstract: A signal source for electromagnetic interference test of display devices, comprising: a housing capable of attenuating an electromagnetic signal; a parameter receiving module located within the housing and configured to receive related parameters of a signal required for testing a display device; a signal generating module located within the housing and configured to generate a signal required for testing the display device in accordance with the parameters received by the parameter receiving module; and an output interface located on the housing and configured to output the signal generated by the signal generating module. Adopting this signal source to perform EMI test on display devices can eliminate the influence of the signal source, thus reduce the complexity of the test, and make the test become simple and efficient.

Abstract: This application provides a voltage control circuit, method and device, and a storage medium. The voltage control circuit includes: a controller and a voltage adjustment circuit both coupled to a power supply terminal for providing a power supply voltage. The controller is configured to: acquire a power supply voltage value at the power supply terminal; determine whether the acquired power supply voltage value deviates from a target power supply voltage value; and determine, in response to the acquired power supply voltage value deviating from the target power supply voltage value, a target control signal associated with the target power supply voltage value; and provide the target control signal to the voltage adjustment circuit. The voltage adjustment circuit is configured to adjust the power supply voltage value at the power supply terminal to the target power supply voltage value according to the target control signal.

Abstract: An atomizer and an electronic cigarette with an atomizer are disclosed. The atomizer includes an atomizer body, in which the atomizer body includes a shell, a suction nozzle assembly mounted at the top of the shell, a liquid chamber and an atomization core disposed in the shell. An electronic cigarette with the atomizer is disclosed as well. The electronic cigarette can prevent liquid accumulation caused by long-time static placement and various misoperations. Furthermore, cigarette liquid does not leak during injection. The components of the atomizer such as the suction nozzle or the base do not need to be disassembled, so that the cigarette liquid is convenient to inject, and the user experience is good.

Abstract: Embodiments of the present invention disclose an ultrasonic atomizer and electronic cigarette. The ultrasonic atomizer comprises a liquid storage cavity and a piezoelectric ceramic piece both are provided in an outer sleeve the plane where the piezoelectric ceramic piece is located is parallel to the axial line of the outer sleeve; at least one surface of the piezoelectric ceramic piece is in contact with a liquid storage body; the liquid storage body communicates with the liquid storage cavity; and an atomization surface of the piezoelectric ceramic piece communicates with an air passage.