Abstract: A low-heat-loss operation method of a line-focusing heat collection system and the line-focusing heat collection system are provided. The method includes the following steps. Solar energy is utilized to preheat a collector tube in an empty tube state, so that the collector tube is in a preheating mode. After a set preheating temperature is reached, a heat transfer working medium is injected into the collector tube. In the injection process of the heat transfer working medium, an injection section of the collector tube is converted into a focusing mode from a preheating mode. After heat collection is finished, the circulation of the heat transfer working medium is stopped, and the focusing mode of the collector tube is kept. In the drainage process of the heat transfer working medium, an emptying section of the collector tube is converted into a light heat-tracing mode from a focusing mode.

Abstract: A cable holder, a magnetic ring fixing device, and an air conditioner outdoor unit. The cable holder includes a holder body; cable grooves running through a side of the holder body are provided in the holder body; two side groove walls of each cable groove are respectively connected to first clamping arms towards the bottom of the groove at an opening; the distance between the two first clamping arms gradually decreases from the opening of each cable groove to the bottom of the groove; a fixing groove for matching a cable is provided at the bottom of each cable groove. Thus, cables can be conveniently placed in the cable grooves, and the cables cannot easily pass out of the cable grooves; moreover, by arranging the fixing grooves, the cables can be fixed and limited, offset movement of the cables can be reduced, and an anti-falling effect can be better realized.

Abstract: A beam selection method and a communication apparatus are provided, which relate to the field of communication technologies. The method includes: A terminal receives a downlink reference signal from a third beam of a network device on a first beam and a second beam; then, the terminal performs RSRP measurement and MPE measurement on the first beam and the second beam separately to obtain first RSRP, second RSRP, first back-off power, and second back-off power; and when a difference between the first RSRP and the first back-off power is greater than a difference between the second RSRP and the first back-off power, the terminal sends uplink data by using the first beam. In this technical solution, the terminal may select an uplink working beam with reference to the measured back-off power of the first beam and the measured back-off power of the second beam.

Abstract: This application provides a power configuration method and an apparatus, so that a terminal device is enabled to allocate as much uplink transmit power as possible to a first port, and allocate first transmit power as transmit power of a second port, so that total transmit power of the terminal device reaches calculated transmit power indicated by a network device for sending; or both the first port and the second port are enabled to be used to perform sending by using respective maximum transmit power supported by the first port and the second port, so that receive power of the network device to receive an uplink signal is maximized, thereby improving uplink performance.

Abstract: A cell selection method, related to the communications field, includes a terminal device sending a first request to a network device, where the first request is used to request to select a serving cell for the terminal device in an energy efficiency first manner. The terminal device sends first information to the network device, where the first information is used by the network device to select a cell in a first communications system or a cell in a second communications system for the terminal device. The terminal device receives configuration information of a serving cell from the network device, where the serving cell is selected by the network device from the cell in the first communications system or the cell in the second communications system in a manner that energy efficiency of the terminal device is first.

Abstract: A condenser, an air conditioner outdoor unit, and an air-conditioning system. The condenser includes at least one row of heat exchange tubes and a plurality of fins arranged along the heat exchange tubes, where any fin is provided with at least one column of through holes, which correspond to the number of rows of the heat exchange tubes, for the heat exchange tubes to pass through; the fins are evenly divided, in the width direction, into at least one basic unit corresponding to the number of rows of the heat exchange tubes; the width of any basic unit is greater than 18.2 mm; and the center distance between two adjacent through holes from among any column of through holes is less than 21 mm. As a result, the heat exchange efficiency can be improved, and the energy efficiency can also be improved.

Abstract: The present disclosure discloses a liquid crystal panel protective cover includes a cover body and a plurality of protectors. A plurality of limiting portions are provided on the edge of the cover body, the plurality of protectors are respectively fixed in the plurality of limiting portions, the protectors are for abutting a packing tape strapped to the cover body. The disclosure also discloses a liquid crystal panel packaging component, which includes a pallet, a box body and a liquid crystal panel protective cover body, the box is disposed on the pallet, and the liquid crystal panel protective cover body covers the opening of the box. According to the liquid crystal panel protective cover body and the liquid crystal panel packaging component described above, the plurality of protectors are provided on the edge of the cover to prevent the packing tape from sliding on the cover body to prevent the packing tape from damaging the cover.

Abstract: The present disclosure discloses a panel fixing device, including a box, a pressing member and an expansion agent. The inner wall of the frame of the box is provided with a limiting groove, the pressing member is movably disposed in the limiting groove, the frame has a receiving through hole connecting with the limiting groove, the expansion agent is received in the receiving through hole, and the expansion agent is used for pushing the pressing member after being expanded so that the pressing member compresses the panel accommodated in the box. An injection channel of the expansion agent is reserved on the box. After inflating the expansion agent, the pressing member is pushed by the expansion force, so that the pressing member compresses the panel in the box to limit the panel so as to prevent the box from causing a second impact during the dropping process.

Abstract: The present invention discloses a folding shelf for placing a box with a built-in liquid crystal panel in multiple layers, the folding shelf including: a first frame assembly, the first frame assembly including a rectangular first frame assembly body and four first support columns erected at a lower end of the first frame assembly body, the first frame assembly body comprising two first fixing beams and two first connecting beams disposed between the two first fixed beams, wherein the first support column comprises a first cylinder and a second cylinder, the first cylinder is erected at an upper end of the second cylinder, an upper end of the first cylinder is folding connected to a lower end of the first fixed beam, a lower end of the first cylinder is folding connected to the upper end of the second cylinder.

Abstract: The present disclosure discloses a panel fixing device, including a box, a pressing member and an expansion agent. The inner wall of the frame of the box is provided with a limiting groove, the pressing member is movably disposed in the limiting groove, the frame has a receiving through hole connecting with the limiting groove, the expansion agent is received in the receiving through hole, and the expansion agent is used for pushing the pressing member after being expanded so that the pressing member compresses the panel accommodated in the box. An injection channel of the expansion agent is reserved on the box. After inflating the expansion agent, the pressing member is pushed by the expansion force, so that the pressing member compresses the panel in the box to limit the panel so as to prevent the box from causing a second impact during the dropping process.

Abstract: The present disclosure discloses a liquid crystal panel protective cover includes a cover body and a plurality of protectors. A plurality of limiting portions are provided on the edge of the cover body, the plurality of protectors are respectively fixed in the plurality of limiting portions, the protectors are for abutting a packing tape strapped to the cover body. The disclosure also discloses a liquid crystal panel packaging component, which includes a pallet, a box body and a liquid crystal panel protective cover body, the box is disposed on the pallet, and the liquid crystal panel protective cover body covers the opening of the box. According to the liquid crystal panel protective cover body and the liquid crystal panel packaging component described above, the plurality of protectors are provided on the edge of the cover to prevent the packing tape from sliding on the cover body to prevent the packing tape from damaging the cover.

Abstract: A liquid-crystal-glass packing case comprises a case body, which includes a bottom and side walls integrated connecting around the bottom, wherein, a filter screen assembly is fixed on the case body, and the case body is capable of communicating inside and outside by the filter screen assembly. Wherein, a slot is disposed at a gap arranged on the side walls, and the filter screen assembly is interposed in the slot. Also, a hole slot is penetrating from the side walls of the case body to the bottom, and the filter screen assembly is interposed in the hole slot to provide solid supporting efficiency. The invention also provides a moisture-proof packing structure. The invention overcomes a prejudice of moisture-proof and sealing from people, provides a thought of putting into and dispersing out, and applies a utility of liquid-crystal-glass packing case and moisture-proof packing structure to get a better moisture-proof efficiency.

Abstract: A liquid crystal panel packing box and a liquid crystal panel packing method are provided. The packing box is equipped with an elastic retractable member assembled in an accommodating groove thereof. The elastic retractable member is memory metal and can generate stretching and retracting effects with the change of temperature to thereby fix liquid crystal panels disposed in the packing box. Accordingly, in the processes of packing and transporting the liquid crystal panels, the seamless assembling between the liquid crystal panels and the packing box is realized, the damage caused by collision between edges of the liquid crystal panels and a box body of the packing box is avoided, the secondary impact generated resulting from the shift of the liquid crystal panels is eliminated and the safety is improved consequently.

Abstract: The present invention discloses an apparatus for packaging liquid crystal glass substrates, comprising multiple housings, a cover and a unit forming member, wherein the multiple housings are overlapped together in vertical direction, the cover covers the topmost housing of the multiple housings, each housing comprises a cavity for receiving a liquid crystal glass substrate, the unit forming member is configured to clamp at least two housings of the multiple housings together as a housing unit, the unit forming member comprises at least one clamp. According to the present invention, even when there are many layers of housings, the center of gravity of housings can be align with each other, and the risk of overturning can be avoided.

Abstract: The present invention discloses an apparatus for packaging liquid crystal glass substrates, comprising multiple housings, a cover and a unit forming member, wherein the multiple housings are overlapped together in vertical direction, the cover covers the topmost housing of the multiple housings, each housing comprises a cavity for receiving a liquid crystal glass substrate, the unit forming member is configured to clamp at least two housings of the multiple housings together as a housing unit, the unit forming member comprises at least one clamp. According to the present invention, even when there are many layers of housings, the centre of gravity of housings can be align with each other, and the risk of overturning can be avoided.

Abstract: A simulation platform for a high-speed train braking system and an experiment method. The simulation platform for a high-speed train braking system includes a virtual part and a real part. The virtual part includes: a vehicle multi-rigid-body simulation system, a basic braking simulation system, a dynamic braking simulation system, an additional braking simulation system, and a virtual reality terminal. The real part includes: a simulated cab, a braking control apparatus, an air braking system, a wheel-rail adhesion simulation system, and a data collection and conversion interface. The virtual part and the real part perform information exchange by using the data collection and conversion interface.

Abstract: A packaging box for liquid crystal display (LCD) panel components includes a body. A sidewall of the body is configured with a neck. The packaging box further includes clamping pieces. Each of the clamping pieces comprises a first arm, a second arm, and a connecting structure that connects the first area to the second arm. The first arm is inserted into the neck. The second arm is inserted into a gap formed by separation of the LCD panel and the circuit board by a flexible circuit board. The LCD panel is in a completely fixed position in a horizontal direction.

Abstract: A packaging structure for a polarizer is provided. The polarizer includes a light polarization film having two surfaces, a buffering layer attached on one surface of the light polarization film, and a separation layer attached on the other surface of the light polarization film. The buffering layer is a micro-foaming polyethylene (PE) film. The thickness of the micro-foaming polyethylene (PE) film ranges from 0.12 mm to 0.3 mm. The present invention also provides a packaging structure for a liquid crystal glass and a packaging method for packaging multiple liquid crystal glasses into a packaging box. The present invention use micro-foaming polyethylene (PE) film to replace the protection layer of the conventional liquid crystal glass. The fabrication process of the liquid crystal glass is reduced. The packaging material is also reduced such that a function for simultaneously protecting the light polarization film and the liquid crystal glass is achieved.

Abstract: A liquid-crystal-glass packing case comprises a case body, which includes a bottom and side walls integrated connecting around the bottom, wherein, a filter screen assembly is fixed on the case body, and the case body is capable of communicating inside and outside by the filter screen assembly. Wherein, a slot is disposed at a gap arranged on the side walls, and the filter screen assembly is interposed in the slot. Also, a hole slot is penetrating from the side walls of the case body to the bottom, and the filter screen assembly is interposed in the hole slot to provide solid supporting efficiency. The invention also provides a moisture-proof packing structure. The invention overcomes a prejudice of moisture-proof and sealing from people, provides a thought of putting into and dispersing out, and applies a utility of liquid-crystal-glass packing case and moisture-proof packing structure to get a better moisture-proof efficiency.

Abstract: A support frame is provided for packaging a liquid crystal glass panel. The support frame includes four corner pieces, upper connection bars, and lower connection bars. The upper connection bars are connected to top ends of the corner pieces to form an upper sub-frame. The lower connection bars are connected to bottom ends of the corner pieces to form a bottom bracket, which includes a lower sub-frame corresponding to the upper sub-frame and a carriage rack located inside and connected to the lower sub-frame. The support frame is rigid and may reinforce a tray against deformation caused by stacking or handling trays. The support frame is of a knockdown arrangement composed of multiple components in such a way that a portion of the components may be shared for contained products of different sizes so as to reduce the manufacturing cost.