Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6 -tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: Disclosed are an activation control method and apparatus for a railway train. The method includes that: at least one activation request sent by at least one motorman controller of a railway train is received; a number of at least one motorman controller sending the at least one activation request is determined; when there are a plurality of motorman controllers sending the at least one activation request, the railway train is controlled to perform an emergency braking; and when there is one motorman controller sending the at least one activation request, it is determined that a target motorman controller has a permission to control the railway train, wherein the target motorman controller is a unique motorman controller sending the at least one activation request. The present disclosure solves the problem in the related art of potential safety hazard of a double-vehicle activation processing method.

Abstract: Disclosed are an activation apparatus of a railway vehicle and a railway vehicle having activation apparatus. The activation apparatus being disposed in each carriage of the railway vehicle containing a plurality of marshallings, the activation apparatus comprising: a target power supply, connected with an activation busbar through a first branch, wherein the activation busbar runs through the railway vehicle containing the plurality of marshallings; and a circuit switch, configured to control a state of the first branch, wherein the state comprising one of the followings: a disconnection state and a connection state. The present disclosure solves the technical problem in the related art in which a current railway vehicle activation mode cannot allow all control carriages to activate and control a corresponding railway vehicle.

Abstract: A method, system and device for controlling a door of a railway vehicle are provided. The method comprises: a door control instruction sent by a transponder is received when a railway vehicle draws into the station, wherein the door control instruction is used for determining a door of the railway vehicle at a platform side; and the railway vehicle is controlled to open the door of the railway vehicle at the platform side according to the door control instruction, thereby solving the technical problem that the door of a railway vehicle at the non-platform side may be opened by mistake by a driver due to human factors because the door of the railway vehicle at the platform side is manually opened when the railway vehicle stops.

Abstract: Disclosed are an activation control method and apparatus for a railway train. The method includes that: at least one activation request sent by at least one motorman controller of a railway train is received; a number of at least one motorman controller sending the at least one activation request is determined; when there are a plurality of motorman controllers sending the at least one activation request, the railway train is controlled to perform an emergency braking; and when there is one motorman controller sending the at least one activation request, it is determined that a target motorman controller has a permission to control the railway train, wherein the target motorman controller is a unique motorman controller sending the at least one activation request. The present disclosure solves the problem in the related art of potential safety hazard of a double-vehicle activation processing method.

Abstract: A train includes: a body, a pantagraph current collector and an ice scraper, wherein the pantagraph current collector is provided on the body; and the ice scraper is mounted on the pantagraph current collector, and the ice scraper is in contact with a power supply rail, so as to remove ice on the power supply rail during the movement of the body. Thus, it is ensured that the pantagraph current collector can be in effective contact with the power supply rail during the running of the train, and normal power supply of the train is ensured. The problem in the conventional art in which the current receiving performance of a current receiver of a train is greatly reduced when a power supply rail is frozen or suffers from heavy snow is solved.

Abstract: Disclosed are an activation apparatus of a railway vehicle and a railway vehicle having activation apparatus. The activation apparatus being disposed in each carriage of the railway vehicle containing a plurality of marshallings, the activation apparatus comprising: a target power supply, connected with an activation busbar through a first branch, wherein the activation busbar runs through the railway vehicle containing the plurality of marshallings; and a circuit switch, configured to control a state of the first branch, wherein the state comprising one of the followings: a disconnection state and a connection state. The present disclosure solves the technical problem in the related art in which a current railway vehicle activation mode cannot allow all control carriages to activate and control a corresponding railway vehicle.

Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6 -tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: The present invention relates generally to vinylidene chloride polymer compositions. In one embodiment, a vinylidene chloride polymer composition comprises (a) a vinylidene chloride polymer formed from a monomer mixture comprising from 60 to 99 weight percent vinylidene chloride monomer and from 40 to 1 weight percent of a monoethylenically unsaturated monomer copolymerizable therewith; (b) 0.3 to 5 weight percent of an acrylic polymer based on the total weight of the polymer composition; and (c) 0.2 to 7 weight percent of at least one additive comprising (i) at least one wax in an amount of from 0.01 to 2 weight percent based on the total weight of the polymer composition, (ii) at least one polyethylene having a density greater than 0.940 g/cm3 in an amount of from 0.1 to 5 weight percent based on the total weight of the polymer composition, or combinations thereof.

Abstract: Disclosed is an alarming and unlocking device. The alarming and unlocking device is installed in a passenger carriage and includes a control switch (10), a communication device, and a locking device, wherein the control switch (10) is provided with an alarming position (11) and an unlocking position (12); the control switch (10) is in signal connection with the communication device; when the control switch (10) is located at the alarming position (11), the communication device is started to receive and send a voice signal; the locking device is installed on a door so as to control the door to lock or unlock; the control switch (10) is in signal connection with the locking device; and when the control switch (10) is located at the unlocking position (12), the locking device performs an unlocking operation. According to the alarming and unlocking device, the problem that a structure for an alarming and unlocking device on a vehicle is relatively complex in the conventional art is solved.

Abstract: A method, device and system for controlling a fuel cell and a rail vehicle are provided. The method includes: an operating power of a target object is detected, wherein the target object is powered by at least two fuel cells (S102); when it is detected that the operating power of the target object is lower than a predetermined power, at least one fuel cell is turned off or a cell component in any one or more fuel cells is turned off according to a gas conversion range corresponding to the fuel cell (S104), wherein the gas conversion range is an output power range value, of the fuel cell, corresponding to a preset range value of a hydrogen conversion rate of the fuel cell.

Abstract: A method and a device for transmitting signals among compartments of a train are provided. The method comprises: receiving a first signal transmitted via a jumper cable, and extracting first data carried in the first signal; receiving a second signal transmitted wirelessly corresponding to the first signal, and extracting second data carried in the second signal; and determining whether the first data is identical with the second data, and outputting the first signal in a case that it is determined that the first data is identical with the second data, or outputting the second signal in a case that it is determined that the first data is not identical with the second data. The method and the device improve the reliability of transmission of signals among compartments of a train.

Abstract: A method, system and device for controlling a door of a railway vehicle are provided. The method comprises: a door control instruction sent by a transponder is received when a railway vehicle draws into the station, wherein the door control instruction is used for determining a door of the railway vehicle at a platform side; and the railway vehicle is controlled to open the door of the railway vehicle at the platform side according to the door control instruction, thereby solving the technical problem that the door of a railway vehicle at the non-platform side may be opened by mistake by a driver due to human factors because the door of the railway vehicle at the platform side is manually opened when the railway vehicle stops.

Abstract: Disclosed is an alarming and unlocking device. The alarming and unlocking device is installed in a passenger carriage and includes a control switch (10), a communication device, and a locking device, wherein the control switch (10) is provided with an alarming position (11) and an unlocking position (12); the control switch (10) is in signal connection with the communication device; when the control switch (10) is located at the alarming position (11), the communication device is started to receive and send a voice signal; the locking device is installed on a door so as to control the door to lock or unlock; the control switch (10) is in signal connection with the locking device; and when the control switch (10) is located at the unlocking position (12), the locking device performs an unlocking operation. According to the alarming and unlocking device, the problem that a structure for an alarming and unlocking device on a vehicle is relatively complex in the conventional art is solved.

Abstract: The present invention relates generally to methods of preparing vinylidene chloride polymer compositions. In one embodiment, a method of preparing a vinylidene chloride polymer composition comprises (a) adding a first dispersion comprising a wax, a polyolefin or a combination thereof to an aqueous dispersion comprising vinylidene chloride polymer particles; (b) adding an acrylic polymer latex to the aqueous dispersion; and (c) coagulating the wax, the polyolefin, or the combination of the wax and polyolefin, and the acrylic polymer on the surface of the polymer particles.

Abstract: Polyolefin photovoltaic (PV) backsheets comprise a polypropylene layer stabilized with (A) at least one hindered amine with 2,2,6,6-tetraalkylpiperdine or 2,2,6,6-tetraakylpiperazinone, either or both in combination with a triazine moiety, (B) a thioester, and, optionally, (C) at least one hindered hydroxybenzoate, and/or (D) an ortho hydroxyl triazine compound. These PV backsheets exhibit a low flame spread index of <100 without the use of FR agents, and the polypropylene layer exhibits good weatherability while providing the required long term heat aging performance necessary for PV modules.

Abstract: PV modules with improved volume resistivity comprise an encapsulant film and a polyolefin backsheet at least one of which comprises organoclay.

Abstract: A switching circuit for implementing coupling at a random end of a train includes a coupling change-over switch which includes a switching position, a normal position, and a disconnected position. The coupling change-over switch includes a group of terminals A, B, C, D, E, F, G, and H that are related to a train running direction signal. The terminals A and C are connected to each other, as well as the terminals E and G, the terminals B and H and the terminals D and F. The pair terminals A and C and the pair of terminals E and G act as terminals of forward and backward running signal train control lines respectively. The pair of terminals B and H and the pair of terminals D and F are connected to terminals of forward and backward running signal wires of a train electric coupler connector respectively.