Abstract: Some embodiments of the present disclosure provide a slide valve for a compressor and a screw compressor with the slide valve. The slide valve for the compressor includes a slide valve main body (10), the slide valve main body (10) is provided with a gas replenishing chamber (11) therein, a surface, facing to a compression chamber of the compressor, of the slide valve main body (10) is provided with a gas replenishing outlet hole (12), and the gas replenishing outlet hole (12) is in communication with the gas replenishing chamber (11).

Abstract: A power conversion method, apparatus, and device, and a medium. The power conversion apparatus includes a configurable input interface, a power conversion circuit, and a configurable output interface. The configurable input interface is provided to configure a first electrical connection mode between an input power supply and the power conversion circuit, and to electrically connect the input power supply to the power conversion circuit. The configurable output interface is provided to configure a second electrical connection mode between a load and the power conversion circuit, and to electrically connect the load to the power conversion circuit. The power conversion circuit is provided to perform corresponding power conversion according to a parameter of the input power supply and a parameter of the load. The embodiments resolve at least the problem in the related art of poor general applicability of a power conversion apparatus, thereby improving the general applicability of the power conversion apparatus.

Abstract: A charging apparatus, a charging system, and a charging control method are provided. The charging apparatus includes: a transforming element and output interfaces, and further includes a charging control element and a maximum output power control element. The charging control element is connected with the maximum output power control element, and the charging control element identifies a target charging mode selected by a user and sends the target charging mode to the maximum output power control element. The maximum output power control element is connected with the transforming element, and the maximum output power control element determines a target maximum output power corresponding to the target charging mode according to a pre-saved correspondence relationship between each charging mode and each maximum output power.

Abstract: A method and device for displaying icon are disclosed. The method includes: receiving an instruction for displaying icon by a mobile terminal, and determining, for each first icon to be displayed, a target duration corresponding to each first icon according to a first time of receiving the instruction for displaying icon and a second time stored for each first icon, wherein the second time is the time when a first application program corresponding to each first icon is used for the last time; determining, according to the target duration corresponding to each first icon and a pre-stored corresponding relation between a duration and an identifier, a first target identifier corresponding to each first icon; and displaying, on a desktop, each first icon carrying a corresponding first target identifier.

Abstract: Disclosed is a multi-stage compressor, including a gas supplement structure, a low-pressure stage chamber and a high-pressure stage chamber. The gas supplement structure includes a gas supplement inlet and a perforated member wherein the gas supplement inlet is arranged at an upstream location of an exhaust gas flow of the low-pressure stage chamber; the perforated member is arranged at a downstream location of the exhaust gas flow of the low-pressure stage chamber; a liquid refrigerant sprayed from the gas supplement inlet is mixed with exhaust gas of the low-pressure stage chamber to impact on the perforated member; the liquid refrigerant is dispersed, the dispersed liquid refrigerants are re-mixed with the exhaust gas of the low-pressure stage chamber and enter the high-pressure stage chamber.

Abstract: A heat exchange assembly and a heat exchange device. The heat exchange assembly includes a heat exchanger and a fan; the heat exchanger and the fan are spaced apart, and the heat exchanger is located in an air intake direction or an air outgoing direction of the fan; the fan includes an air opening; a shortest distance H between the air opening of the fan facing the heat exchanger and the heat exchanger and a diameter D of an impeller of the fan should meet 2H/D>1.05. A problem in the prior art of increased air intake resistance caused by an improperly arranged distance between the heat exchanger and the fan is solved.

Abstract: The disclosure provides a filter element assembly and a water purifier. The filter element assembly includes a filter bottle, an interface mechanism and a connector. The interface mechanism is provided on the filter bottle; the connector is connected to the interface mechanism to form a water passage to communicate with the filter bottle; a blocking member is movably provided on a mechanism body and has a first position for closing the water passage and a second position for opening the water passage; a magnetic member is provided on the mechanism body and produces a magnetic force to the blocking member, for driving the blocking member to move towards the first position; the connector is inserted into the water passage to push the blocking member to the second position.

Abstract: Some embodiments of the disclosure provide a bearing installation and fixation structure and a compressor. The bearing installation and fixation structure includes: a rotatable shaft (7); a bearing (6), provided on the rotatable shaft (7) in a sleeving manner; and an axial locating member, provided on the rotatable shaft (7) in a sleeving manner and including a fixing connecting section (1) and an axial locating section (2) that are integrated with each other; the fixing connecting section (1) is detachably fixed on the rotatable shaft (7); and the axial locating section (2) limits a position of the bearing (6) axially.

Abstract: An authority configuration method and device are provided. The method includes: when a user logs in a system, a privacy information acquisition request is sent to the user; and an authority of the user is configured according to response information of the privacy information acquisition request. Prior to acquisition of privacy information of the user, the user chooses whether a system is permitted to collect the privacy information, and an authority of the user is configured according to the privacy information permitted by the user. A user is provided with a corresponding operation authority while privacy of the user can be protected from being infringed, and the privacy of the user can be prevented from being leaked.

Abstract: Disclosed are a power supply network design method and apparatus, and a storage medium.

Abstract: A power consumption control device includes: a voltage detection circuit configured to detect whether an input power supply of a magnetic levitation system to be controlled is turned off; and a comparison unit configured to detect an operating parameter of a motor of the magnetic levitation system during an operation of the motor as a generator, and compare the operating parameter with a set parameter to obtain a comparison result; a motor controller of the magnetic levitation system controls the motor of the magnetic levitation system to operate as the generator in a case that the input power supply is turned off, a bearing controller of the magnetic levitation system adjusts a magnitude of a bearing bias current of the magnetic levitation system according to the comparison result, to control a power consumption of a magnetic levitation bearing of the magnetic levitation system within a set range.

Abstract: The present disclosure provides an energy transmission method, an energy router and an operation control device thereof, and a storage medium, and relates to the field of energy network technology. The energy router of the present disclosure includes a plurality of ports configured to perform at least one of receiving or sending energy and PLC data, energy transmission switches, each of the energy transmission switches is configured to control open and closed states of one port of, and a routing processor configured to determine an energy transmission path according to the PLC data and stored routing information, determine a corresponding port associated with the energy transmission path, and turn on an energy transmission switch of the corresponding port, for the energy outputting from the corresponding port.

Abstract: A double glass module, including a front panel glass (10), a first adhesive film (20), a solar cell pack group (30), a second adhesive film (40), aluminum foil (50), a third adhesive film (60) and a rear panel glass (70) successively stacked. The aluminum foil is added in front of the rear panel glass of a double glass module, and since the aluminum foil has a high light reflectivity, the reflection effect for transmitted light energy is improved, so that the power of the double glass module is significantly enhanced. Meanwhile, since the aluminum foil has a better heat conductivity, the heat generated by the solar cell pack group can be conducted and dissipated in time, so that the temperature of the double glass module is reduced in time, thereby reducing a temperature coefficient impact factor, and prolonging a daily mean efficient power output time of the double glass module.

Abstract: A heat pump air conditioner assembly for an electric vehicle and a control method thereof, and an electric vehicle with the heat pump air conditioner assembly for the electric vehicle are provided. The heat pump air conditioner assembly includes a heat pump air conditioning system and a HVAC box body. An in-vehicle heat exchanger of the heat pump air conditioning system is located in the HVAC box body. An auxiliary heater is also arranged in the HVAC box body. The auxiliary heater is located at a leeward side of the in-vehicle heat exchanger. The heat pump air conditioning system is provided with a defrosting branch connecting with a refrigerant outlet of an external heat exchanger and a suction port of a compressor. When the heat pump air conditioning system is in a defrosting mode, the HVAC box body supplies air to the vehicle, the auxiliary heater is turned on.

Abstract: The present disclosure relates to the technical field of terminals, and particularly relates to a method and device for terminal-based object recognition, and an electronic device. The method includes: receiving a function instruction for simulated magnifier input to a terminal by a user; activating a camera of the terminal according to the function instruction for simulated magnifier; determining an object to be recognized based on an object photographed by the camera; acquiring a physical distance between the object to be recognized and the camera, and acquiring a preset focal length corresponding to the physical distance; generating, according to the preset focal length, a first image corresponding to the object to be recognized, and displaying the first image; performing image processing and image recognition on the first image; and displaying information of the object to be recognized at the terminal according to a result of image processing and image recognition.

Abstract: The present disclosure relates to an oil line structure of a compressor and compressor, wherein the oil line structure of a compressor including: a spindle, an upper flange and a rolling bearing, wherein an interior of the rolling bearing encloses a cylinder cavity for performing compression, and the rolling bearing comprises a rolling body; wherein the spindle is internally provided with a spindle oil hole, and the upper flange is provided with an upper oil groove which is in communication with the spindle oil hole to guide an oil into the rolling body so as to lubricate the same. In this way, the heat generated by friction of the rolling body is discharged in time, so as to prevent a temperature rise in the bearing and reduce the wear, thereby improving the energy efficiency value of the compressor and ensuring normal operation of the compressor.

Abstract: A counterweight of washing machine, a washing machine and a counterweighting method for the washing machine relates to the technical field of washing machines. The counterweight of washing machine includes at least one counterweight cavity and at least one pressured water structure; a water entering port for connecting a water entering pipeline and a water draining port for connecting a water draining pipeline are formed on a wall of each of the at least one counterweight cavity; the at least one water pressurizing structure is disposed in each of the at least one counterweight cavity, and is configured to enable water entering each of the at least one counterweight cavity to be in an air-free sealed cavity. The counterweight of washing machine is mainly configured to reduce vibration and nose of the washing machine in work, and reduce the production and transportation cost of the washing machine.

Abstract: The present invention discloses a motor rotor and a permanent magnet motor. The motor rotor includes a rotor core and a plurality of magnetic poles provided in the rotor core, wherein each magnetic pole includes a first permanent magnet, a second permanent magnet and a third permanent magnet; the first permanent magnet being arranged on a central position of the magnetic pole on which said first permanent magnet is located, the second permanent magnet being arranged at two sides of the first permanent magnet, the third permanent magnet being arranged at one side of the second permanent magnet far away from the first permanent magnet; the coercivity of the first permanent magnet is smaller than that of the second permanent magnet and that of the third permanent magnet; and the third permanent magnet is arranged on a q axis of the motor.

Abstract: The present disclosure relates to a frequency modulation device, a switching power supply and a frequency modulation method thereof. The device includes: a waveform generation unit (10) configured to generate a periodic signal required for performing frequency modulation on a clock signal of a switching power supply to be controlled; a frequency modulation unit (20) configured to perform voltage-current conversion and arithmetic processing based on the periodic signal to obtain a frequency modulation current required for performing the frequency modulation on the clock signal of the switching power supply to be controlled; and an RC oscillation unit (30) configured to perform RC oscillation processing based on the frequency modulation current to obtain a frequency oscillation signal as the clock signal of the switching power supply to be controlled.