Abstract: The present disclosure relates to a device and a system for testing flatness. The device for testing flatness includes a base, a testing platform, and a ranging sensor. The testing platform is assembled on the base. The testing platform includes a supporting structure. The supporting structure is disposed on the side of the testing platform away from the base and is used to support a to-be-tested board. The structure matches the structure of the to-be-tested board. The ranging sensor is disposed on the side of the testing platform away from the base. After the to-be-tested board is placed on the testing platform, the ranging sensor is used to test distances between a number N of to-be-tested positions on the to-be-tested board and the ranging sensor, to obtain N pieces of distance information, and the N pieces of distance information are used to determine the flatness of the to-be-tested board, where N is an integer greater than 2.

Abstract: Disclosed in the present invention is a special container for battery transport, including a container body and a fire extinguishing system. The fire extinguishing system is used for extinguishing a fire in the container. The fire extinguishing system includes a connection device and a firefighting pipeline. The firefighting pipeline conveys a fire extinguishing agent into each container body and discharges the fire extinguishing agent from the container body. An end of the connection device is fixedly connected to a container body wall of the container body. The connection device communicates the firefighting pipeline between two vertically adjacent container bodies. Beneficial effects: A series fire extinguishing mode among each column of stacked containers is implemented through the innovation of a connection device.

Abstract: Disclosed in the present invention is a prevention and control method of nitrogen protection and multi-region level-by-level detection for an energy storage power station. The prevention and control method of nitrogen protection and multi-region level-by-level detection for an energy storage power station includes two modes: a normal operating mode and an abnormal mode. In the two modes, fire extinguishing measures of different levels are adopted for a battery pack, a battery cluster, a battery compartment, and a device compartment with reference to early warning thresholds of different levels. Further disclosed is a prevention and control system of nitrogen protection and multi-region level-by-level detection for an energy storage power station.

Abstract: A method of treating cardiac hypertrophy and/or heart failure in a subject includes administering to the subject a therapeutically effective amount of a REV-ERB? agonist.

Abstract: An OLED device, including: an anode (100), a cathode (300), and a first light-emitting unit (200) located between the anode (100) and the cathode (300). The first light-emitting unit (200) comprises a hole functional unit (210) and a light-emitting layer (220) that are sequentially stacked. The hole functional unit (210) is located between the anode (100) and the light-emitting layer (220). The hole functional unit (210) comprises a first functional layer (211) for transporting electrons, a second functional layer (212) for injecting holes, and a third functional layer (213) for transporting holes, which are sequentially stacked. The first functional layer (211) comprises an electron transport material on which one or more among an active metal and an active metal compound is doped.

Abstract: The present invention discloses a fire extinguishing system for a battery pack, including a detection control apparatus, a fire suppression apparatus, and a hydrant water extinguishing apparatus. The detection control apparatus is disposed inside or outside a battery pack. The fire suppression apparatus and the hydrant water extinguishing apparatus are disposed outside the battery pack. The detection control apparatus is connected to the fire suppression apparatus. The hydrant water extinguishing apparatus is connected to the fire suppression apparatus. Beneficial effects: It is ensured that initial fire can be suppressed and later reignition can be resolved, so that fire extinguishing is adequate. Fire is directly extinguished at a core position inside the battery pack. An exhaust filter device gains valuable time after initial fire extinguishing.

Abstract: The present invention discloses an exhaust filter system for a battery pack, including an explosion-proof valve and a filter apparatus. One end of the explosion-proof valve is connected to a battery pack. The other end of the explosion-proof valve is connected to the filter apparatus. The filter apparatus includes an introduction port, a discharge port, a housing, and a filter mechanism. The introduction port and the discharge port are separately disposed at two ends of the housing. The filter mechanism is disposed inside the housing. The filter mechanism is provided with a plurality of filter holes. The present invention has the following beneficial effects: by optimal design of a novel explosion-proof valve and a novel filter apparatus, the applicability of technical solutions of this application is made more extensive. The problem of fire induced by thermal runaway can be satisfactorily solved for both high-capacity batteries and small-capacity batteries.

Abstract: The present invention discloses a battery pack charging system, comprising battery packs and a charging cabinet, a nitrogen replacement device is arranged inside the charging cabinet, the charging cabinet provides charging and nitrogen filling for the battery packs, wherein: there is a gas-filling protective device arranged between the nitrogen replacement device and the battery packs, and the gas-filling protective device is used to regulate the gas-filling flow of nitrogen automatically. Also disclosed is a charging method of the battery pack charging system.

Abstract: The present disclosure relates to a device and a system for testing flatness. The device for testing flatness includes a base, a testing platform, and a ranging sensor. The testing platform is assembled on the base. The testing platform includes a supporting structure. The supporting structure is disposed on the side of the testing platform away from the base and is used to support a to-be-tested board. The structure matches the structure of the to-be-tested board. The ranging sensor is disposed on the side of the testing platform away from the base. After the to-be-tested board is placed on the testing platform, the ranging sensor is used to test distances between a number N of to-be-tested positions on the to-be-tested board and the ranging sensor, to obtain N pieces of distance information, and the N pieces of distance information are used to determine the flatness of the to-be-tested board, where N is an integer greater than 2.

Abstract: A method of treating cardiac hypertrophy and/or heart failure in a subject includes administering to the subject a therapeutically effective amount of a REV-ERB? agonist.

Abstract: The present invention discloses a fire extinguishing system for a battery pack, including a detection control apparatus, a fire suppression apparatus, and a hydrant water extinguishing apparatus. The detection control apparatus is disposed inside or outside a battery pack. The fire suppression apparatus and the hydrant water extinguishing apparatus are disposed outside the battery pack. The detection control apparatus is connected to the fire suppression apparatus. The hydrant water extinguishing apparatus is connected to the fire suppression apparatus. Beneficial effects: It is ensured that initial fire can be suppressed and later reignition can be resolved, so that fire extinguishing is adequate. Fire is directly extinguished at a core position inside the battery pack. An exhaust filter device gains valuable time after initial fire extinguishing.

Abstract: The present disclosure provides a gas-solid separation structure including: a feeding pipeline including a first feeding part, a second feeding part and a first valve disposed between the first and second feeding parts; a discharge pipeline having a first opening and a second opening opposite to each other, the second feeding part extending into the discharge pipeline via the first opening; wherein an exhaust channel is formed between the second feeding part and the discharge pipeline, exhaust holes are formed in a portion of the discharge pipeline opposite to the second feeding part, and the exhaust channel is in communication with the exhaust holes. The present disclosure further provides a feeding device and an electrochemical deposition apparatus. The present disclosure can improve the problem of interference with medicine powder release caused by gases entering the discharge pipeline.

Abstract: A method of treating cardiac hypertrophy and/or heart failure in a subject includes administering to the subject a therapeutically effective amount of a REV-ERB? agonist.

Abstract: There are provided a backlight scanning method and a device thereof. The method comprises: dividing an edge lighting type backlight source into an upper side optical region and a lower side optical region; turning on the light sources at the upper and lower sides respectively after the response of the liquid crystal corresponding to the pixels in the last row of the upper and lower side optical regions is stationary; turning off the light sources at the upper and lower sides respectively when the next response period of the liquid crystal corresponding to the pixels in the first row of the upper and lower side optical regions starts. The method solves the difficulties of applying the scanning backlight to the edge lighting type backlight source by respectively controlling the timings of turning on and off the light sources at the upper and lower sides, whereby the application scope of the scanning backlight is broadened.

Abstract: The backlight according to the present disclosure may include a monochromatic laser diode, a reflector and a beam-expanding prism. The monochromatic laser diode and the beam-expanding prism may be arranged on the reflector, and monochromatic laser beams from the monochromatic laser diode may be expanded after being reflected by the beam-expanding prism.

Abstract: The present invention provides a method for driving a liquid crystal display panel and a liquid crystal display so that the power consumption for driving a 3D liquid crystal display panel can be reduced. The method includes steps of: determining that it is needed to input data to the black matrix sub-pixels when displaying a 3D image; and inputting a control signal to a 3D black screen data control module, the 3D black screen data control module, based on the received control signal, makes two data lines which are connected therewith and are of opposite polarities be electrically conducted.

Abstract: A quantum dot color filter is used for a liquid crystal panel comprising a plurality of pixels. Each pixel has a plurality of sub-pixels. Each sub-pixel corresponds to one color. The color filter includes subregions disposed in one to one correspondence with the sub-pixels. At least one subregion is formed of a quantum dot material and the quantum dot material generates light of the same color as a corresponding sub-pixel after excitation.

Abstract: Method, apparatus, and system for controlling three dimensional displays are provided. The method comprises: acquiring a current time when a liquid crystal raster device is driven by a AC driving voltage signal; shutting down a backlight source when the current time is within a setting period of time included in an input period of the AC driving voltage signal, wherein the setting period of time refers to a period during which a polarity of the AC driving voltage signal changes such that an image crosstalk is generated when the backlight source is in a normal-open state. Since the backlight source is shut down and stops providing backlight to the panel when the current time is within the setting period, the panel displays black thereby left eye and right eye images are prevented from entering into error regions of view, the image crosstalk is reduced and a display quality is improved.

Abstract: The disclosed technology discloses a backlight scanning method for controlling a backlight of a liquid crystal display panel, the backlight comprising light groups on left and right sides. The method comprises steps of: determining a time period for turning on and off the light groups on the left and right sides in accordance with a control signal for pixels in the liquid crystal display panel; and in scanning, turning on and off the light groups on the left and right sides alternately in sets, and during the course of scanning one frame, turning on or off the light groups on the left and right sides at least two times.

Abstract: The present invention provides a method for driving a liquid crystal display panel and a liquid crystal display so that the power consumption for driving a 3D liquid crystal display panel can be reduced. The method includes steps of: determining that it is needed to input data to the black matrix sub-pixels when displaying a 3D image; and inputting a control signal to a 3D black screen data control module, the 3D black screen data control module, based on the received control signal, makes two data lines which are connected therewith and are of opposite polarities be electrically conducted.