429results about How to "Reduce the number of openings" patented technology

The invention discloses a cloud remotely-controlled electric vehicle charging station system. The charging station system comprises a charging pile host machine and a charging pile subordinate machine; the charging pile host machine comprises a charging module, a control module, a statistical module, a detection module, a processor, a storage module and a first communication module; the charging pile subordinate machine comprises a charging module, a control module, a statistical module, a detection module, a storage module and a second communication module; the charging pile host machine is in signal connection with the charging pile subordinate machine and a cloud server through the first communication module; and the charging pile subordinate machine is in signal connection with the charging pile host machine through the second communication module. According to the charging station system, statistics on the working states of each charge station can be carried out rapidly; and the charging piles in faults can be handled promptly, so that efficient dynamic management of the charging stations can be realized and the operational cost can be lowered.

The invention provides a jet combustion device and method for super-critical water oxidization of organic matter. The device comprises an inner sleeve and an outer sleeve which are arranged together in a coaxial sleeving manner; a coaxial jet combustor extending into the reactor inner sleeve is coaxially installed at the top of the reactor inner sleeve; the coaxial jet combustor is of a three-layer coaxial sleeve structure, an auxiliary heat source access channel is located on the innermost layer, an oxidant access annular channel is located on the middle layer, and a waste liquid access annular channel is located on the outermost layer; and a process water jacket region, a super-critical water oxidization region and a subcritical water region capable of dissolving inorganic salt are formed in a reactor.

The invention belongs to the technical field of display, and particularly relates to a pixel structure and a preparation method thereof and a display device. The pixel structure comprises multiple sub-pixels which are first sub-pixels, second sub-pixels and third sub-pixels. The first sub-pixels, the second sub-pixels and the third sub-pixels are cyclically arranged in turn in a row direction. The same sub-pixels of every two adjacent rows are arranged in a spacing way in a column direction, and the same sub-pixels of the adjacent rows are arranged in a mirror symmetry way in the column direction. Each second sub-pixel is arranged on the center line between each first sub-pixel and each third sub-pixel of the adjacent row. Each second sub-pixel and one third sub-pixel and one first sub-pixel which are arranged in the adjacent row of the second sub-pixel and adjacent to the second sub-pixel form a pixel unit. The pixel structure is better in display chromaticity uniformity; besides, the hole number of a high-precision metal mask plate can be reduced, the manufacturing difficulty of the metal mask plate can be reduced and the high-resolution OLED product can be easier to prepare.

The embodiment of the invention provides a semiconductor device and a manufacturing method thereof. The semiconductor device comprises a semiconductor layer, a plurality of source electrodes, a plurality of grid electrodes, a plurality of drain electrodes, a source pad, a grid pad and a drain pad, a grounding electrode, a first through hole and a second through hole, and is characterized in that the semiconductor layer is prepared at one surface of a substrate, and the semiconductor layer comprises an active region and a passive region which is located beyond the active region; the plurality of source electrodes, the plurality of grid electrodes and the plurality of drain electrodes are located in the active region; the source pad is connected with the source electrodes; the grid pad is connected with the grid electrodes; the drain pad is connected with the drain electrodes; the first through hole is located in the passive region, penetrates through the substrate and the semiconductor layer and enables the grounding electrode to be electrically connected with the source pod; and the second through hole is located in the active region, penetrates through the substrate and the semiconductor layer and enables the grounding electrode to be electrically connected with the source electrodes. The embodiment of the invention can reduce the overall parasitic inductance of the device, alleviate adverse effects imposed on device heat dissipation by centralized hole opening of an existing semiconductor device and be conducive to improving the gain and the output power of the device.

The invention discloses an electrothermal copper-smelting slag depleted furnace, which comprises a furnace body, supports, an oxygen lance and electrodes; the furnace body comprises a furnace shell defining a furnace chamber and a refractory material layer arranged on the inner wall of the furnace shell, the furnace body is provided with a feed inlet for feeding copper-smelting slag and vulcanizing agent into the furnace chamber, a siphon inlet for discharging copper matte, a waste slag-discharging outlet, electrode plugholes, a smoke outlet and an oxygen lance plughole, wherein the oxygen lance plughole is formed at the bottom of the furnace shell; the furnace body is supported by the supports; the oxygen lance is plugged into the oxygen lance plughole; and the electrodes are plugged into the furnace body via the electrode plugholes. When the electrothermal copper-smelting slag depleted furnace is used for bottom-blowing electrothermal copper-smelting slag depletion, the copper content in waste slag can be reduced, and electricity consumption can be decreased.

The invention provides a mobile terminal, which comprises a card holder and a key, wherein the key is arranged on the card holder; a side face of the mobile terminal is provided with an open groove; the card holder is inserted into the open groove; and the key is positioned at the opening of the open groove. The invention also provides a card holding device. Through the technical scheme, the card holder can be combined with a side edge key of the terminal in the terminal design, so that the number of holes formed in the side edge of a terminal shell is reduced, the production and manufacturing cost is reduced, and meanwhile, a practical and beautiful effect is achieved.

The invention discloses a lithology identification based mechanical-hydraulic combined rock breaking TBM real-time tunneling method. The method comprises the following steps that mechanical-hydrauliccombined rock breaking cutterhead TBM construction prepares are made; construction is started; TBM cutterhead propulsion is carried out; a mechanical cutter pushes and presses the face; a module detection hobbing cutter device applies detection pushing force; cutter laser ranging and timing and sensor lithology index feedback are carried out; a TBM rear end control processor processes information;a TBM cutterhead control center makes responses; a hydraulic cutting hobbing cutter acquires and adjusts parameters; and a TBM cutterhead breaks rock. The method has the advantages of being energy-saving, efficient, high in rock breaking efficiency and small in cutterhead consumption.

The invention provides a front-mounted camera brightness compensation method and device. The method comprises following steps of firstly, obtaining brightness of a current environment; then judging whether the brightness is smaller than a light compensation starting threshold value or not; calculating compensation brightness if the brightness is smaller than the light compensation starting threshold value; judging whether the compensation brightness is smaller than a screen brightness compensation extreme value or not; and starting the screen and adjusting the brightness of the screen to the compensation brightness if the compensation brightness is smaller than the screen brightness compensation extreme value. According to the scheme, compensation is carried out by exclusively using a screen or a front-mounted flashlight; when the brightness compensation demand cannot be satisfied; the screen and the front-mounted flashlight can be used at the same time, thus satisfying the compensation demand; the current brightness can be compensated to the greatest extent; and therefore, the better photographing effects can be obtained under a disadvantaged photographing condition.

The application provides a shell structure, a mobile terminal, and a sound adjustment method of the mobile terminal. The shell structure provided by the application includes a shell body; the shell body is provided with an accommodating hole for accommodating a data interface, and the hole mouth of the accommodating hole is connected to the outside of the shell body; a sound chamber for setting aspeaker is provided in the shell body; the accommodating hole is connected to the sound chamber and serves as a sound emission hole of the speaker. The shell structure uses the accommodating hole foraccommodating the data interface as the sound emission hole of the speaker; therefore, the number of holes on the shell structure is reduced, and the design difficulty of waterproofing is reduced.

The invention discloses a device and a method for collecting storage tank discharged gas. The device comprises more than one storage tanks A for storing a medium A, and more than one storage tanks B for storing a medium B; breather valves, emergent release valves, pressure transducers and cutting valves are respectively arranged at the tops of the storage tanks; the cutting valves of the storage tanks A are communicated with storage tank A gas phase pipes through storage tank A pipe fire stoppers; the other ends of the storage tank A gas phase pipes are respectively connected with one end of a storage tank A gas phase gathering pipe; the cutting valves of the storage tanks B are communicated with storage tank B gas phase pipes through storage tank B pipe fire stoppers; the other ends of all the storage tank B gas phase pipes are respectively connected with one end of a storage tank B gas phase gathering pipe; the other end of the storage tank A gas phase gathering pipe and the other end of the storage tank B gas phase gathering pipe are respectively connected with one end of a storage tank gas phase gathering pipe main pipe; and the other end of the storage tank gas phase gathering pipe main pipe is connected with a dirty oil collecting system. The device can reduce the loss caused by direct discharge of oil into the atmosphere, and reduces the probability of generating potential safety hazards by feeding a lot of air into the tanks.

The invention provides a device for insulating material surface flashover experiment in SF6. Compared with a previous single-pole-pair or multi-pole-pair connecting rod type experimental cavity, the device of the invention can be used to simultaneously study the experiment characteristics of surface flashover under the same atmospheric pressure and different electrode distances and the experiment characteristics of surface flashover under the same flashover distance and different gas pressures, thus realizing the study of multiple insulating samples in a single experiment. Therefore, the number of opening times of the experimental cavity can be reduced, the experimental time and cost are saved, and the use and leakage of SF6 gas are reduced. The device of the invention has the advantages of simple structure, convenient operation, cost saving, high repeatability, and the like.

The invention provides a new method for mining an open-pit mine sidewall mineral below construction. The new method comprises: dividing each ore layer of the open-pit mine sidewall mineral below construction into a plurality of linear mining caverns along the inclination or trend of an ore body according to set width and height, and numbering in sequence; using mining equipment to first mine odd or even mining caverns, reserving odd or even mining caverns between even or odd mining caverns as ore pillars, performing mining-filling parallel operation on even or odd mining caverns, and filling the mined mining caverns in sequence after satisfying a filling space; when fillings in two adjacent mining caverns are solidified, then mining a mining cavern between the two adjacent mining caverns,and also performing mining-filling parallel operation on mining caverns to be mined later until multi-segment mining and filling of the various layers and thick ore bodies are completed. The mining method provided by the invention improves the strength of supporting a sidewall, reduces the risk of sidewall collapsing and landslide, has a high mineral recovery rate, and reduces pollution to environments such as atmosphere and soil.

The invention relates to a grouting method for a blast furnace, aiming to enhance the grouting success rate of the blast furnace. In the invention, the temperature of a furnace shell of the blast furnace is measured by using infrared imaging scanning and an infrared temperature measuring instrument to find out the position with relative high temperature; the position is taken as a datum point, holes are bored at vertical or transverse interface parts between two cooling walls or among three cooling walls which are adjacently installed at the upper side, the lower side, the left side and the right side; a hollow drill is used to drill through the furnace shell firstly, then drill through fillers between the furnace shell and the cooling wall, continuously drill a hole forwards to drill through the cooling wall, and then drill through unshaped ramming materials or pouring materials between a brick lining and the cooling wall; a drilling channel is cleaned; a grouting channel is dredged,lubricated and preheated; and an amount upper limit value of grouting is controlled to be 60 kg to 120 kg; proper grouting pressure is ensured, when the brick size of the brick lining is small and isnot provided with a brick locking groove, the grouting pressure is relative low to be generally controlled to be 1.0 MPa-1.5 MPa, and when the brick size of the brick lining is large and is provided with the brick locking groove, the grouting pressure is relative high to be generally controlled to be 1.0-3.0 MPa.

The invention relates to a fully-electrically-driven hydraulic excavator power system. The fully-electrically-driven hydraulic excavator power system comprises hydraulic execution components, two-way constant-displacement pumps, servo motors, a frequency converter, a controller and a clutch controller, wherein the clutch controller is used for receiving power supply signals of a plug-in mode or a battery mode; the controller is used for receiving signals input by a driver via a handle and used for controlling speed of each hydraulic execution component, calculating control signals of each hydraulic execution component and transmitting the signals to the frequency converter; and the frequency converter is used for taking electricity from the plug-in mode or the battery mode via the clutch controller, converting the electricity into voltage of each servo motor connected to the frequency converter, controlling size and direction of rotation speed of each servo motor, controlling size and direction of output flow of the two-way constant-displacement pumps connected to the frequency converter and finally controlling the speed of each hydraulic execution component. Through the fully-electrically-driven hydraulic excavator power system, internal combustion engines which are widely used at present are eliminated; the advantage of high power of a hydraulic system is exerted; and through adoption of a volume control mode, the effective combination of energy conservation and emission reduction is achieved.

The invention discloses a terminal device and a camera kit thereof. The camera kit comprises a protection cover and an opening and closing apparatus of a camera, wherein the protection cover is arranged at the outside of the camera of the terminal device; the opening and closing apparatus is arranged on a mobile terminal housing on the periphery of the camera; and the protection cover moves with the cooperation of of the opening and closing apparatus to cover or expose the camera. The terminal device comprises the camera and the camera kit. When the camera is used, the protection cover in the camera kit is opened, and when the camera is not used, the protection cover is closed, so that the camera is protected from being worn via the camera kit.

The present invention discloses a task processing method, the method is applied to a task processing server, and the method includes: when the current task of any thread in the task processing server is completed, the thread executes the preset task queue Scanning, the task queue is used to store tasks to be executed; when there is a task to be executed in the task queue, the thread takes a task to be executed from the task queue for processing. The thread of the present invention will not be released immediately after the current task processing is completed, but will actively access the task list after the current task processing is completed, and take out new tasks from the task list to perform a new round of task processing. The invention can reduce the number of thread releases and starts, thereby improving the processing efficiency of tasks.

The invention discloses a sewage treatment system. The sewage treatment system is characterized in that a sludge adjusting pond is connected with an inlet pipeline of a first-order neutralization reaction tank through a lift pump; an outlet pipeline of the first-order neutralization reaction tank is connected with the inlet pipeline of a primary thickener; a sludge outlet of the primary thickener is connected with a sludge concentrating pond through the lift pump; the outlet pipeline of the primary thickener is connected with the inlet pipeline of a second-order neutralization reaction tank; the outlet pipeline of the second-order neutralization reaction tank is connected with the inlet pipeline of a secondary thickener; the sludge outlet of the secondary thickener is connected with the sludge concentrating pond through the lift pump; a supernate pipe orifice on the sludge concentrating pond is connected with the sludge adjusting pond; the sludge outlet of the sludge concentrating pond is connected with a filter press through a mortar pump; a liquid outlet of the filter press is connected with the sludge concentrating pond; the outlet pipeline of the secondary thickener is connected with a recycling pool. By adopting the sludge treatment system, the handling capacity of the filter press is greatly reduced; the sludge treatment cost is also reduced.

The invention discloses an electric vehicle charging station based on electricity generation by reforming hydrogen production fuel cells. The electric vehicle charging station includes a total storagedevice, a centralized liquid supply system and a plurality of fuel cell electricity generation systems. The total storage device is used for storing hydrogen-containing fuel in the charging station,and the centralized liquid supply system is used for conveying the hydrogen-containing fuel stored by the total storage device to a hydrogen production system to produce hydrogen. Each fuel cell electricity generation system includes a fuel cell generator set and an electric vehicle charging pile. The fuel cell generator sets use the hydrogen produced by the hydrogen production system to perform electrochemical reactions to generate electricity, and the electric vehicle charging piles store generated electric energy which is used for charging electric vehicles. Through layout of the charging station which use hydrogen compounds as raw materials and use the fuel cell generator sets to generate the electricity, charging for the battery-based home electric vehicles without the need to re-laya dedicated transmission network in a large area is realized, and initial investment costs and construction time are saved; and the problem of inconvenient charging during long-distance travel of theelectric vehicles is solved.

The invention provides a display device and a driving method thereof. The display device comprises a display screen and a backlight module group. The backlight module group comprises a first backlight module group used to provide backlight for the full display are of the display screen and a second backlight module group used to provide the backlight for the partial display area of the display screen. The first backlight module group is used to emit light along a first direction, and the second backlight module is used to emit the light along a second direction, and in addition, the first direction is vertical to the second direction. The display device and the driving method are advantageous in that a normal display mode and an AOD display mode adopts different backlight module groups for providing the backlight, and the partition of every backlight module group is not required, and the multipath control over the backlight is not required, and in addition, the uniformity of the backlight control during the display is improved; by adopting the modularization control of the backlight module group, the control is easier during the normal display and the AOD function display; without affecting the AOD display, a number of switched-on LED lamps is reduced, and an object of reducing the power consumption during the use of the AOD function is further achieved.

The invention discloses a power module, which comprises an IGBT module group, IGBT driving boards, a radiator of the IGBT module group, DC busbars connected with IGBT modules, AC copper bars connected with the IGBT modules in parallel, a capacitor group, positive and negative bus copper bars and an intermediate insulating layer, and is characterized in that the IGBT modules, the IGBT driving boards, the DC busbars and the AC copper bars are symmetrically arranged at two sides of the radiator, and the DC busbars, the positive and negative bus copper bars and the intermediate insulating layer are connected into an integral whole together through an output terminal of the capacitor group. The power module disclosed by the invention can reduce stray inductance of the IGBT modules and can reduce turn-off overvoltage of the IGBT modules; the IGBT modules can be arranged at two sides of the radiator, thereby being more compact in structure, and improving the power density; and the AC copper bars are identical in path, so that IGBT current sharing is more excellent, and the reliability is higher.

The invention provides an image generation method based on an electronic device and the electronic device. The electronic device at least comprises a flash lamp, a first image acquisition unit and a second image acquisition unit. The image generation method comprises obtaining the light intensity parameter of the current shooting scene; opening the first image acquisition unit and the second image acquisition unit when the light intensity parameter is determined to be smaller than or equal to a first preset brightness value; opening the flash lamp when the light intensity parameter is smaller than or equal to a second preset brightness value, wherein the second preset brightness value is smaller than the first preset brightness value; employing the first image acquisition unit and the second image acquisition unit to take photos of a target object, and obtaining a first image and a second image corresponding to the target object; and synthesizing the first image and the second image to obtain a target image of the target object. According to the invention, the opening number of times of the flash lamp can be reduced, the equipment resource is saved, and the service life of the flash lamp is prolonged.

The invention provides a camera device and a mobile terminal. The camera device comprises a lens group, a light guide tube and a photosensitive sensor. The light guide tube is arranged at the periphery of a light incident hole of the lens group. The light guide tube is connected with the photosensitive sensor. The photosensitive sensor is connected with a circuit board of the lens group. Through application of the camera device provided by the embodiment of the invention, holes do not need to be set for the photosensitive sensor and the camera device respectively on the panel of the mobile terminal and only a camera hole needs to be set, so the number of the holes on the panel of the mobile terminal can be reduced and the appearance beauty of the complete machine is improved.