Abstract: The present application provides a composition of oral soluble film and application thereof. The composition includes a film-forming agent, a plasticizing agent, and a target releasing substance. The film-forming agent includes pectin and polysaccharide backbones. The flexibility and mechanical strength of the oral soluble film may meet the production requirements during cutting and packaging processes, the adhesion force, the dissolving time limit, and the dissolving rate of the active components may also meet usage needs.

Abstract: A multi-stage micro-decomposition swirl burner with an ammonia-doped fuel, and a low NOx control method are provided. A natural gas central pipe, a primary air pipe and a burner housing are nested from inside to outside in sequence to form a primary air duct and an over-fire air channel which are isolated from each other. Natural gas is ejected from the natural gas central pipe, and swirl vanes are arranged in the primary air duct, such that the primary air can be mixed with the central natural gas in a swirl state, and then a diffusion flame is formed under the action of an ignition device. Therefore, a pilot flame with sustainable combustion is formed at the center of an injection end of the burner.

Abstract: A method for generating a set of cleanable perimeter segments of an area to be cleaned by a robotic cleaner. Each cleanable perimeter segment defines a path to be followed by the robotic cleaner around an edge of the area to be cleaned. The method includes receiving an occupancy grid map of the area to be cleaned; generating a contiguous accessible area grid map of the area to be cleaned based on the occupancy grid map; determining an outer boundary of each contiguous inaccessible region in the occupancy grid map; and generating the set of cleanable perimeter segments by extracting the outer boundary of each contiguous inaccessible region as a separate perimeter segment. Each perimeter segment includes a plurality of sequential grid elements defining the path to be followed by the robotic cleaner around an edge of the area to be cleaned.

Abstract: Disclosed are a method and a device for balancing crankshaft deformation e, a crankshaft with counterweights determined according to the method, and a scroll compressor using the crankshaft. The method includes: determining a component centrifugal force required by a counterweight to overcome the crankshaft deformation caused by both an orbiting scroll centrifugal force and a gas force; and determining the counterweight according to the component centrifugal force. The counterweight is arranged on the crankshaft.

Abstract: The present disclosure discloses a shielded insulating shell and an electronic device. The shielded insulating shell includes a shell body provided with a first cavity, with an inner shielding layer near the first cavity and an outer shielding layer far away from the first cavity being formed on the shell body; a first structure formed on the first cavity, and formed by assembling to comprise at least a first shielding layer, a first insulating layer, a first air gap layer, a second insulating layer, and a second shielding layer arranged sequentially from an inner side to an outer side of the first cavity; and an assembling gap formed on the first structure, which cooperates with the first air gap layer to form a creepage path on the first structure that extends from the inner shielding layer to the outer shielding layer.

Abstract: The present disclosure provides a transformer including at least one magnetic core each having at least one window; one primary side winding passing through the at least one window, a wire forming the primary side winding being sequentially covered with a first solid insulating layer, a grounded shielding layer and a second solid insulating layer from inside to outside along a radial direction of the wire, the grounded shielding layer being connected to a reference ground; and at least one secondary side winding, each passing through the at least one window, the primary side winding having a first voltage with respect to the reference ground, the secondary side winding having a second voltage with respect to the reference ground, and the second voltage being greater than 50 times of the first voltage.

Abstract: Embodiments of the present disclosure provide an insulation monitoring device applied to a power system and a power system. The power system includes at least one power electronic converter module. The insulation monitoring device includes an insulation component, a signal source, an impedance module, and a monitoring module. The insulation component at least partially wraps around the power electronic converter module. The signal source is electrically coupled to a circuit node in the power electronic converter module, the impedance module is connected between the signal source and the insulation component, and the monitoring module is configured to monitor an insulation resistance value of the insulation component, so that an insulation state of the power electronic converter module may be determined.

Abstract: The present disclosure provides a mixing circuit with high harmonic suppression ratio, including: a multi-phase generation module, which receives a first input signal and generates eight first square wave signals with a phase difference of 45°; a quadrature phase generation module, which receives a second input signal and generates four second square wave signals with a phase difference of 90°; a harmonic suppression module, connected with an output end of the quadrature phase generation module to filter out higher order harmonic components in the second square wave signals; and a mixing module, connected with output ends of the multi-phase generation module and the harmonic suppression module to mix output signals of the multi-phase generation module and the harmonic suppression module. The mixing circuit with high harmonic suppression ratio adds a harmonic suppression module on the basis of multi-phase mixing, thereby improving the harmonic suppression ratio of the output signal.

Abstract: The present disclosure provides a power module and a solid-state transformer system. The power module includes: a circuit module, having a voltage level; and a cabin, configured to wrap the circuit module by bending or splicing, where the cabin has a shielding structure, the shielding structure including: a first conductor layer, located at a side close to the circuit module and equipotentially connected to the circuit module; a second conductor layer, arranged apart from the first conductor layer and located at a side away from the circuit module; and a solid insulating layer, provided between the first conductor layer and the second conductor layer for electrically isolating the first conductor layer and the second conductor layer. The power module provided by the present disclosure has good insulation performance and is easy to assemble.

Abstract: A transformer includes a primary coil unit including a primary winding, a first insulating portion and a shielding layer, wherein the first insulating portion wraps the primary winding, the shielding layer covers an outer surface of the first insulating portion, the shielding layer includes an opening, and a part of the first insulating portion is exposed at the opening; an outgoing wire terminal in the opening and having a first portion and a second portion connected with each other, the first portion coupled to the primary winding and wrapped by the first insulating portion, the second portion being exposed out of the first insulating portion; a connecting wire having a first end connected to the second portion of the outgoing wire terminal; and an insulating sleeve partially wrapping the connecting wire, and a second end of the connecting wire being exposed out of the insulating sleeve, (FIG. 17).

Abstract: The present disclosure related to routing methods. One example method includes configuring a first path and a second path in charge of load sharing for a data flow, and configuring a third path in charge of reroute protection. A first group entry is generated for instructing the forwarding device to use the first path and the second path as load-sharing paths and use the third path to perform reroute protection on the first path and the second path. A flow entry for instructing to perform an operation of going to the first group entry is generated.

Abstract: An insulation device includes an insulating part, and at least one conductive part located on at least one surface of the insulating part, wherein the at least one surface of the insulating part facing the at least one conductive part has central concave shape. A longitudinal section of the at least one conductive part includes a straight portion in the middle and two curved portions extending outwardly from both ends of the straight portion. The curved portions satisfy: { x = A ? ( ? + 1 2 ? ( e ( ? + i ? ? ) + e ( ? - i ? ? ) ) ) y = A ? ( ? + 1 2 ? i ? ( e ( ? + i ? ? ) - e ( ? - i ? ? ) ) ) ? .

Abstract: Disclosed are a method and a device for balancing crankshaft deformation e, a crankshaft with counterweights determined according to the method, and a scroll compressor using the crankshaft. The method includes: determining a component centrifugal force required by a counterweight to overcome the crankshaft deformation caused by both an orbiting scroll centrifugal force and a gas force; and determining the counterweight according to the component centrifugal force. The counterweight is arranged on the crankshaft.

Abstract: Disclosed is a sterilizable facial cleaning instrument, which comprises a main apparatus, and a driving motor, a first control board and a rechargeable battery that are provided in the main apparatus, and further comprises an apparatus seat provided with a sterilization cavity, wherein an ultraviolet germicidal lamp is provided in the sterilization cavity; the main apparatus is detachably provided at the apparatus seat and at least a part of a brush head is positioned in the sterilization cavity, so that bristles positioned in the sterilization cavity can be sterilized by ultraviolet irradiation. The sterilizable facial cleaning instrument provided by the present invention can sterilize and disinfect the brush head completely when the main apparatus is combined with the separable designed apparatus seat, thereby ensuring the health and safety of users.

Abstract: An OpenFlow protocol-based resource control method and system, and an apparatus are provided, to resolve a problem that forwarding resources are not fully used. The method provided by the present invention may include: sending, by a controller, a resource allocation request message to a forwarder, where an OpenFlow interface is established between the controller and the forwarder; receiving, by the controller, a resource configuration message that is sent by the forwarder in response to the resource allocation request message, where the resource configuration message includes an idle forwarding resource obtained by the forwarder from total forwarding resources; and allocating, by the controller according to the idle forwarding resource, a service-accessible forwarding resource to an already created service on the controller, where the service-accessible forwarding resource is some or all resources in idle forwarding resources.

Abstract: The present disclosure provides a mixing circuit with high harmonic suppression ratio, including: a multi-phase generation module, which receives a first input signal and generates eight first square wave signals with a phase difference of 45°; a quadrature phase generation module, which receives a second input signal and generates four second square wave signals with a phase difference of 90°; a harmonic suppression module, connected with an output end of the quadrature phase generation module to filter out higher order harmonic components in the second square wave signals; and a mixing module, connected with output ends of the multi-phase generation module and the harmonic suppression module to mix output signals of the multi-phase generation module and the harmonic suppression module. The mixing circuit with high harmonic suppression ratio adds a harmonic suppression module on the basis of multi-phase mixing, thereby improving the harmonic suppression ratio of the output signal.

Abstract: Embodiments of the present disclosure provide an insulation monitoring device applied to a power system and a power system. The power system includes at least one power electronic converter module. The insulation monitoring device includes an insulation component, a signal source, an impedance module, and a monitoring module. The insulation component at least partially wraps around the power electronic converter module. The signal source is electrically coupled to a circuit node in the power electronic converter module, the impedance module is connected between the signal source and the insulation component, and the monitoring module is configured to monitor an insulation resistance value of the insulation component, so that an insulation state of the power electronic converter module may be determined.

Abstract: Disclosed is a sterilizable facial cleaning instrument, which comprises a main apparatus, and a driving motor, a first control board and a rechargeable battery that are provided in the main apparatus, and further comprises an apparatus seat provided with a sterilization cavity, wherein an ultraviolet germicidal lamp is provided in the sterilization cavity; the main apparatus is detachably provided at the apparatus seat and at least a part of a brush head is positioned in the sterilization cavity, so that bristles positioned in the sterilization cavity can be sterilized by ultraviolet irradiation. The sterilizable facial cleaning instrument provided by the present invention can sterilize and disinfect the brush head completely when the main apparatus is combined with the separable designed apparatus seat, thereby ensuring the health and safety of users.

Abstract: Provided is a mounting method for an extensible reaming self-anchoring anchor rod, which is especially applicable to roadway construction in coal mines. A big helical structure is arranged on two rod sections of a sectional type anchor rod, a simple drill bit drills and reams a bore and cuts the coal mass in one operation, the outer diameter of the simple drill bit is smaller than the outer diameter of the big helical rod body, and the big helical structure accomplishes secondary reaming, self-drilling and self-anchoring in the drilling process; the big helical structure inhibits propagation and development of sheet cracks of the coal wall in the radial direction, and is embedded in the coal mass through a self-stabilization process of the rock mass.

Abstract: A transformer includes a primary coil unit including a primary winding, a first insulating portion and a shielding layer, wherein the first insulating portion wraps the primary winding, the shielding layer covers an outer surface of the first insulating portion, the shielding layer includes an opening, and a part of the first insulating portion is exposed at the opening; an outgoing wire terminal in the opening and having a first portion and a second portion connected with each other, the first portion coupled to the primary winding and wrapped by the first insulating portion, the second portion being exposed out of the first insulating portion; a connecting wire having a first end connected to the second portion of the outgoing wire terminal; and an insulating sleeve partially wrapping the connecting wire, and a second end of the connecting wire being exposed out of the insulating sleeve.