A droplet delivery device with an ejector mechanism and fluid reservoir includes an accelerometer to determine and communicate optimized mixing of fluid in the reservoir for inhalation of droplets, such as into the lungs, from the droplet delivery device.

A droplet delivery device with an ejector mechanism and fluid reservoir includes an accelerometer to determine and communicate optimized mixing of fluid in the reservoir for inhalation of droplets, such as into the lungs, from the droplet delivery device.

Disclosed are a full-wave drive circuit for an ultrasonic atomizing sheet and an ultrasonic electronic cigarette. In an embodiment, the ultrasonic atomizing sheet full-wave drive circuit comprises a power supply module, a microprocessor, a high-frequency square wave generation circuit, an NMOS transistor and a resonance circuit configured to convert, on the basis of the NMOS transistor, a voltage signal outputted by the high-frequency square wave generation circuit into a full-wave oscillation signal, so as to drive the ultrasonic atomizing sheet to perform full-wave oscillation. A disclosed embodiment has low requirements for a boost module, low loss of the boost module, high power conversion efficiency, small volume, low loss of NMOS transistor and low cost, is easy for debugging, and has high reliability and good atomization effect.

Disclosed are a full-wave drive circuit for an ultrasonic atomizing sheet and an ultrasonic electronic cigarette. In an embodiment, the ultrasonic atomizing sheet full-wave drive circuit comprises a power supply module, a microprocessor, a high-frequency square wave generation circuit, an NMOS transistor and a resonance circuit configured to convert, on the basis of the NMOS transistor, a voltage signal outputted by the high-frequency square wave generation circuit into a full-wave oscillation signal, so as to drive the ultrasonic atomizing sheet to perform full-wave oscillation. A disclosed embodiment has low requirements for a boost module, low loss of the boost module, high power conversion efficiency, small volume, low loss of NMOS transistor and low cost, is easy for debugging, and has high reliability and good atomization effect.

The invention relates to an ultrasonic mist inhaler (100), comprising a liquid reservoir structure (2) comprising a liquid chamber (21) adapted to receive liquid to be atomized, a sonication chamber (22) in fluid communication with the liquid chamber (21); wherein the liquid reservoir structure (2) comprises the sonication chamber (22).

The invention relates to an ultrasonic mist inhaler (100), comprising a liquid reservoir structure (2) comprising a liquid chamber (21) adapted to receive liquid to be atomized, a sonication chamber (22) in fluid communication with the liquid chamber (21); wherein the liquid reservoir structure (2) comprises the sonication chamber (22).

The invention relates to an ultrasonic mist inhaler (100), comprising: a mouthpiece (1) for inhaling the mist, a liquid reservoir structure (2) comprising a liquid chamber (21) adapted to receive liquid to be atomized, a sonication chamber (22) in fluid communication with the liquid chamber (21), wherein at least part of the liquid reservoir structure (2) and the mouthpiece (1) form the sonication chamber (22).

The invention relates to an ultrasonic mist inhaler (100), comprising: a mouthpiece (1) for inhaling the mist, a liquid reservoir structure (2) comprising a liquid chamber (21) adapted to receive liquid to be atomized, a sonication chamber (22) in fluid communication with the liquid chamber (21), wherein at least part of the liquid reservoir structure (2) and the mouthpiece (1) form the sonication chamber (22).

An ultrasonic atomization type electronic cigarette includes an ultrasonic atomizer having an ultrasonic atomization sheet, an electronic cigarette housing, an upper cover assembly, and a locking structure. The angle α between the ultrasonic atomization sheet and the central axis of the electronic cigarette is 5° to 85°, preferably 15° to 55°. The housing is provided with an air inlet groove. A first support in the housing includes a receiving cavity for receiving the ultrasonic atomizer. The upper cover assembly may be used for opening the receiving cavity, and the locking structure may be used for locking the upper cover assembly. A liquid guide structure in the atomizer may include a liquid guide body in which a side of a first liquid guide layer is sandwiched between a side of a second liquid guide layer and an ultrasonic atomization surface.

An ultrasonic atomization type electronic cigarette includes an ultrasonic atomizer having an ultrasonic atomization sheet, an electronic cigarette housing, an upper cover assembly, and a locking structure. The angle α between the ultrasonic atomization sheet and the central axis of the electronic cigarette is 5° to 85°, preferably 15° to 55°. The housing is provided with an air inlet groove. A first support in the housing includes a receiving cavity for receiving the ultrasonic atomizer. The upper cover assembly may be used for opening the receiving cavity, and the locking structure may be used for locking the upper cover assembly. A liquid guide structure in the atomizer may include a liquid guide body in which a side of a first liquid guide layer is sandwiched between a side of a second liquid guide layer and an ultrasonic atomization surface.