Provides heating pump cover and heating pump, heating pump cover comprises: cover body, comprising flange plate and sealing piece, sealing piece is outside and integrally connected with flange plate, with cross-section stepped, flange plate comprises first surface and second surface arranged oppositely, first surface is for contacting with liquid, temperature control assembly, arranged on second surface, heating body, arranged on one side of first surface, and end of heating body penetrates flange plate, sealing and connecting flange plate, connecting to temperature control assembly by electric circuit. Arranging sealing piece on outer side of flange plate on cover body, with cross-section stepped, after being installed onto pump body, achieving multi-level snapping and sealing, effectively avoiding situation of liquid leakage happen at connecting portion between cover body and pump body due to aging or not tightly sealing, improving sealing performance and reliability of cover body installation.

Disclosed are a heating pump cover and a heating pump. The heating pump cover comprises a cover body, a temperature control device, a raised part, and a heating body. The cover body has a first surface configured to be in contact with liquid on which the heating body is arranged and a second surface opposite to the first surface on which the temperature control device and the raised part are arranged. The raised part forms grooves on the first surface and the temperature control device is arranged on the raised part. The part of the heating body locates in the grooves has a first region which is in contact with the inner wall of the groove and a second region which is arranged interval with the inner wall of the groove.

An e-vapor apparatus may include a pod assembly and a dispensing body configured to receive the pod assembly. A vaporizer may be disposed in the pod assembly and/or the dispensing body. The pod assembly may include a pre-vapor formulation compartment, a device compartment, and a vapor channel extending from the device compartment and traversing the pre-vapor formulation compartment. The pod assembly is a smart pod configured to receive, store, and transmit information that can be communicated with the dispensing body and/or another electronic device. The proximal portion of the dispensing body includes a vapor passage and a through-hole. The vapor passage may extend from an end surface of the proximal portion to a side wall of the through-hole. The through-hole is configured to receive the pod assembly such that the vapor channel of the pod assembly is aligned with the vapor passage of the dispensing body.

A heater control device includes a triac connected in series between an alternating-current power supply and a heater, the triac including a first main electrode, a second main electrode, and a gate electrode; a phototriac coupler configured to transmit a heater trigger signal to the gate electrode of the triac; a first resistor and a second resistor each of which is connected in series to the phototriac coupler and configured to limit current in accordance with a phase control enable signal indicative of a period of phase control; and a resistor selection circuit configured to select one of the first resistor and the second resistor and connect the selected resistor to the second main electrode of the triac. The first resistor and the second resistor have different rated powers and different breakabilities from each other.

A low-temperature baked vaporizer and a low-temperature baked smoking set are disclosed, the vaporizer includes a sleeve, for receiving vaporizable materials; and a heating element, manufactured by metal materials and sleeved outside the sleeve, configured for heating the sleeve; the heating element includes a plurality of through holes, configured for adjusting resistance of the heating element such that the heating element generates heat evenly. By relying on all kinds of arrays of through holes, they make the whole resistance of the heating element even, with consequently making the current to be even during the vaporizer is working, therefore, the vaporizer generates heat evenly, ensures the tobacco cigarette to be heated evenly, to improve efficiency and stability of vaporizing smoking smog.

Cartridges for vaporizer devices are provided. In one exemplary embodiment, the cartridge can include a reservoir being configured to contain a liquid vaporizable material that includes at least one ionic component, an airflow tube that extends though the reservoir and defines an airflow passageway therethrough, and first and second electrodes. The airflow tube includes a wicking element that is in fluid communication with the reservoir, in which the wicking element is configured to substantially draw at least a portion of the liquid vaporizable material from the reservoir into the airflow passageway. The first and second electrodes are positioned substantially on or adjacent to opposite surfaces of the wicking element, in which the liquid vaporizable material received within the wicking element is substantially vaporized in response to generation of a potential difference between the first and second electrodes. Vaporizer devices are also provided.

A control assembly for an oven that includes an actuator configured to select a function of an oven and to generate an electrical signal identifying the function of the oven selected, and a control unit in communication with the actuator configured to receive the electrical signal generated and identify from the electrical signal the function of the oven selected. The control assembly also includes a rotary position switch configured to be positioned in a plurality of discrete positions, one of the discrete positions being a reference position, so that in each of the positions the rotary position switch activates at least one function of the oven and in the reference position the rotary position switch does not activate any function of the oven. The control device further includes an electric motor configured to rotate the rotary position switch and position it in one of the discrete positions, the control unit being configured to actuate the electric motor until the rotary position switch is positioned in the position corresponding to the selected function.

A control assembly for an oven that includes an actuator configured to select a function of an oven and to generate an electrical signal identifying the function of the oven selected, and a control unit in communication with the actuator configured to receive the electrical signal generated and identify from the electrical signal the function of the oven selected. The control assembly also includes a rotary position switch configured to be positioned in a plurality of discrete positions, one of the discrete positions being a reference position, so that in each of the positions the rotary position switch activates at least one function of the oven and in the reference position the rotary position switch does not activate any function of the oven. The control device further includes an electric motor configured to rotate the rotary position switch and position it in one of the discrete positions, the control unit being configured to actuate the electric motor until the rotary position switch is positioned in the position corresponding to the selected function.

A rotatable wax-melting fragrance lamp comprises a base, a housing, a rotating component, a heating component, a light-emitting component, a control PCB, and a heat-conducting plate. By arranging the rotating component, the whole product can present a rotating effect, which can make the lamp have better lighting effect and decorative effect, and enables the heating component to melt and volatilize wax more uniformly; the heat-conducting plate is detachable, which is convenient for cleaning and replacing the fragrant wax; the PTC heating element or ceramic heating resistor is used in place of open fire heater. The heating of the PTC heating element or the ceramic heating resistor is to realize the heating of the fragrant wax, so that the fragrant wax produces a pleasant fragrance, which spreads around the immediate vicinity. The PTC heating element or ceramic heating resistor requires lower heating power consumption, while the power control is very sensitive.

In an electric water heater having adjustable set point and differential temperatures, upper and lower heating elements, and associated temperature sensors respectively operative to sense upper and lower tank water temperatures, a specially designed control system is provided for controlling the heating elements. The control system is operative to prevent dry firing of the heating elements by measuring temperatures over time with the temperature sensors.