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135 results about "One stage" patented technology

RVV1.0 Extension-Based FFT Butterfly Operation Method for Complex Sequences

An RVV1.0 extension-based FFT butterfly operation method for complex sequences includes the following steps: S1, in one stage of an FFT butterfly operation, acquiring data to be processed; S2, based on a standard vector structure of RVV1.0, defining an extended instruction I in a reserved instruction code space of an RISC-V architecture to obtain first data of a multiply-add operation; S3, defining an extended instruction II to obtain second data of the multiply-add operation, and adding the second data and the first data to obtain a multiply-add operation result; S4, defining an extended instruction III to obtain a multiply-subtract operation result; S5, storing a result in a vector register as an operation result of the stage; and S6, if there is a next stage, performing the next stage, and returning to S1; or, if there is not a next stage, ending the FFT butterfly operation.
Owner:JIANGSU HUACHUANG MICROSYSTEM CO LTD

Mushroom sorting device

The utility model relates to the technical field of mushroom sorting, and discloses a mushroom sorting device which comprises a long supporting frame, a short supporting frame is arranged on one side of the long supporting frame, and a top plate is arranged on the upper side of the long supporting frame. The screening structure is arranged in the long supporting frame; the screening structure comprises a screening plate movably connected into the long supporting frame, a baffle fixed to the side face of the screening plate, a gate plate arranged on one side of the baffle, an air cylinder telescopic rod fixed to the gate plate, a feeding box arranged on the lower side of the screening plate, supporting legs fixed to the lower side of the feeding box and screening holes formed in the screening plate. Mushroom located on the sieve plate is screened in a classified mode by forming the sieve holes with different hole diameters, after screening of one stage is completed, the gate plate can be opened to enter the next stage to be screened, and therefore multi-stage screening is conducted on the mushroom so as to deal with screening of the mushroom of different sizes, the mushroom which is not screened cannot be directly pushed to the next screening area through transverse screening, and screening efficiency is greatly improved. And the screening correctness can be ensured.
Owner:HUBEI CHUNRAN FOOD CO LTD

Two-stage evolutionary multi-robot task allocation method in nuclear accident rescue and electronic equipment

The invention relates to the technical field of multi-robot control systems, in particular to a two-stage evolutionary multi-robot task allocation method and electronic equipment in nuclear accident rescue, and the method comprises the following steps: S1, initializing multi-robot and task information; s2, establishing an optimization problem model; s3, multi-robot task allocation; through the two-stage evolutionary algorithm, working time balance distribution between the robots can be comprehensively considered, the maximum radiation accumulation between all the robots and the overall task waiting cost are minimized, and the tasks are distributed to the robots according to the criterion of the minimum comprehensive cost; according to the two-stage evolutionary algorithm used in the method, the population can be quickly converged to the Pareto frontier in the first stage, and the diversity of the solution set is improved in the later stage, so that the algorithm operation time is shortened, and the search efficiency of the globally optimal solution is improved.
Owner:BEIJING INST OF TECH

Upward horizontal layered filling mining method for gently inclined-inclined thick ore body

The invention relates to an upward horizontal layered filling mining method for a gently inclined-inclined thick ore body, which belongs to the field of underground mining methods, and comprises the following steps of: arranging a plurality of sections and a plurality of panels in one stage, arranging a plurality of chambers in the panels, and arranging a plurality of ore beds in each chamber; at the stage, a stage haulage roadway, a segmented stage connection roadway and a segmented haulage roadway are formed in the strike direction of the ore body, and a slope ramp is excavated upwards from the segmented stage connection roadway; the stage haulage roadway is communicated with the draw shaft connection roadway through a draw shaft; tunneling a stope connection roadway, a layered transportation roadway, a cutting roadway, a room air return roadway, a ventilation connection roadway and a pedestrian ventilation filling courtyard in a layered stoping mode from bottom to top to form a stage air return connection roadway of the previous stage; and stopping and filling the whole chamber. The technical problems that the mining preparation workload is large, mining safety and economical efficiency are difficult to consider, and the mining cost is high in a traditional mining method are solved.
Owner:NORTHEASTERN UNIV CHINA

Encoding method, decoding method, and apparatus

PCT designated stageWO2025167976A1Error preventionDecoding methodsModulation order
The present application discloses an encoding method, a decoding method, and an apparatus. The encoding method comprises: on the basis of a first MCS, a first SNR, a first modulation order, or a first encoding rate, determining a bit rate of a component code corresponding to at least one stage in multi-stage encoding of information bits; on the basis of the bit rates of the component codes corresponding to respective stages in the multi-stage encoding, performing the multi-stage encoding on the information bits to obtain encoded bits; and outputting the encoded bits. Because the first MCS, the first SNR, the first modulation order, or the first encoding rate is a parameter related to a channel condition, in embodiments of the present application, the bit rates of the respective stages in the multi-stage encoding are dynamically configured in consideration of the channel condition, thereby reducing decoding complexity of the multi-stage encoding and also improving encoding / decoding performance of the multi-stage encoding.
Owner:HUAWEI TECH CO LTD

A two-stage cylinder control method

The present invention provides a two-stage cylinder control method. When extending, for the first-stage stroke control: the second locking assembly locks the movable rod of the second moving assembly, gas is introduced into the rear end of the cylinder body to push the piston rod of the first moving assembly to extend until the rear end of the piston rod migrates to the front end of the movable rod; for the second-stage stroke control: the restriction of the second locking assembly on the movable rod is released, and the gas introduced into the cylinder body pushes the piston rod and drives the movable rod to extend further forward; when contracting, the gas at the rear end of the cylinder body is released, gas is introduced into the front end of the cylinder body, the gas pushes the piston rod and drives the movable rod to move backward. When the movable rod is locked by the second locking assembly, the gas continues to push the piston rod to move until it contracts to the initial state. When controlling the extension of the piston rod, the movable rod is locked first, so that the piston rod can only extend for one stage. When full extension is required, it is unlocked first to achieve two-stage control.
Owner:NINGBO OUSHI INTELLIGENT TECH CO LTD

Submersible pump with stage erosion control

A technique facilitates long-term operation of a submersible pump which may be used in an electric submersible pumping system. According to an embodiment, the submersible pump comprises at least one stage, e.g. a plurality of stages. Each stage uses an impeller which may be rotated within a diffuser to establish a fluid flow through the pump. Additionally, each stage comprises an erosion control system positioned between the impeller and the diffuser to reduce erosion and / or the effects of erosion so as to extend the life of the submersible pump.
Owner:SCHLUMBERGER TECH CORP

Constant-force pushing device

The utility model relates to a constant force pushing device which comprises a balance weight piece and multiple stages of hydraulic or pneumatic systems which are sequentially arranged, the multiple stages of hydraulic or pneumatic systems at least comprise a bearing hydraulic or pneumatic system and a constant force output hydraulic or pneumatic system, and the second end of a piston rod of the bearing hydraulic or pneumatic system is connected with the balance weight piece. Piston rods of the bearing hydraulic or pneumatic systems extend in the gravity direction of the balance weight piece, and a cylinder body of one stage of hydraulic or pneumatic system is communicated with a cylinder body of the other adjacent stage of hydraulic or pneumatic system through a fluid medium pipeline. Or the second end of the piston rod of one stage of hydraulic or pneumatic system is connected with the second end of the piston rod of the other adjacent stage of hydraulic or pneumatic system. And the second end of the piston rod of the constant-force output hydraulic or pneumatic system outputs constant force.
Owner:ZHONGSHAN ADVANCED CRYOGENIC TECH RES INST

Programming learning system

To enable online programming learning while referring to appropriate information.SOLUTION: In a programming learning system including a first phase for selecting a question and a second phase for answering the selected question, presenting the answer and receiving a scoring result, a screen composed of one or more screen areas is displayed, each of the screen areas corresponds to each of the first stage to the N-th (an integer of two or more) stage, each stage has one or more small screens, the first phase is a phase for gradually selecting a question from the first stage to the M-th (an integer of one or more and less than N) stage, the screen area can display one screen belonging to a corresponding stage in an order determined in advance, the second phase is a phase for gradually generating a construct from the (M+1)-th stage to the N-th stage, the screen area can display a plurality of screens belonging to a corresponding stage, the screens that can be displayed are determined in advance according to a stage, and whether to display a screen that can be displayed is selectable.SELECTED DRAWING: Figure 7
Owner:THE PUBLIC UNIV THE UNIV OF AIZU

Step-type inertial focusing microfluidic chip

A step-type inertial focusing microfluidic chip includes an arc-shaped channel having multiple stages connected in series. At least one stage of the arc-shaped channel is separated into a plurality of sub-channels distributed along a radial direction, one end of the multistage arc-shaped channel is provided with at least one fluid inlet and an inlet channel connecting the end of to the fluid inlet. The other end of the multistage arc-shaped channel is provided with a plurality of fluid outlets and a plurality of outlet channels connecting the other end to the fluid outlets. A radius of curvature of the arc-shaped channel is 2 to 50 mm. A cross-sectional width is 50-5000 microns, the cross-sectional height is 20-2000 microns, and a thickness of a sub-channel separation wall in the arc-shaped channel having the sub-channels is 10 to 1000 microns.
Owner:SHENZHEN GENFLOW TECH CO LTD

Method for controlling the weight of solid tire tire precursors and use thereof

This invention provides a method for controlling the weight of a solid tire carcass and its application, relating to the field of tire carcass technology. The method includes the following steps: (a) weighing the base rubber after molding and comparing it to the standard weight of the base rubber to obtain a weight difference value; (b) correcting the amount of intermediate rubber based on the weight difference value from step (a), weighing the tire carcass after molding the intermediate rubber, and comparing it to the standard weight of the intermediate rubber tire carcass to obtain a weight difference value; (c) correcting the amount of tread rubber used in one stage based on the weight difference value from step (b), weighing the tire carcass after molding the first stage of tread rubber, and comparing it to the standard weight of the first stage of tread rubber tire carcass to obtain a weight difference value; (d) correcting the amount of tread rubber used in the second stage based on the weight difference value from step (c), and molding the tread rubber in two stages to obtain the finished tire carcass. This invention, through segmented weighing and multi-stage correction, gradually offsets the weight errors in each molding stage, achieving a tire carcass weight error of ±0.1 kg, far superior to existing weight control precision.
Owner:GUIZHOU TIRE

Scroll control method for scrollable display area

The invention discloses a scrolling control method for a scrollable display area, which comprises the following steps of: when a mouse roller enters a rolling stopping state or an inertial rolling state from a passive rolling state driven by external force; a scrollable display area of a terminal connected with the mouse enters a simulated second rolling state which is not associated with a real-time physical rolling state of the mouse roller from a first rolling state in which the scrollable display area and the mouse roller synchronously roll, wherein at least one stage of the simulated second rolling state is a decelerating rolling process. According to the invention, the scrollable display area has the first rolling state associated with the real-time physical rolling state of the mouse roller and the simulated second rolling state irrelevant to the real-time physical rolling state of the mouse roller, and the second rolling state is similar to that the mouse roller is gradually decelerated to stop under the inertia effect and accords with the physical law; the user operation efficiency can be improved, and the user experience can be improved.
Owner:CHEERDOTS CO LTD

Game machine

To provide a game machine capable of executing a highly amusing performance.SOLUTION: Performance control means executes a stage change performance that can change in steps during an effective period when input to input means is effective, and executes first performance control changing a stage change performance under execution to a stage equal to or less than a predetermined upper-limit stage according to input to the input means, second performance control executing a predetermined success performance according to a change in a stage change performance up to the upper-limit stage, and third performance control executing an expectation performance for allowing execution of a success performance to be expected during an effective period when input to the input means is effective.SELECTED DRAWING: Figure 67
Owner:SANSEI R&D KK

Electronic device for performing data mapping by performing operation of CNN model with low power, and driving method thereof

According to various embodiments, an electronic device for performing data mapping by performing an operation of a CNN model with low power comprises: a communication interface; a processor; and a memory including a dynamic random access memory (DRAM) in which multiple full multipliers for, when executed by the processor, causing the processor to perform multi-operations enabling simultaneously performing multiple operations, while performing at least one operation related to the CNN model, and a control bit and a 2:1 selector for deactivating a second multiplier that is not required for an operation other than multiple first multipliers required for the operation are stored, wherein the at least one operation comprises the operations of: in a case where at least one input data is acquired from an external electronic device through the communication interface, when a kernel size of the at least one input data is determined to have a value greater than or equal to a preset threshold size value, automatically dividing the kernel size of the at least one input data according to a set size; when the kernel size of the at least one input data has a value smaller than or equal to the threshold size value or is automatically divided, inputting the at least one input data to at least one stage pre-stored in the memory; determining the number of the first multipliers required for a multiplication-accumulation (MAC) operation of the at least one input data in the stage, and when the number of the first multipliers is determined to be equal to or less than the number of the full multipliers, driving the control bit and the 2:1 selector to deactivate the second multiplier; and receiving a global buffer including multiple weight values from each of multiple sub-processors through the communication interface, and inputting and mapping the at least one input data to the first multipliers.
Owner:FOUND FOR RES & BUSINESS SEOUL NAT UNIV OF SCI & TECH

Spring constant variable force sensor and measurement method

To provide a force sensor capable of changing a spring constant.SOLUTION: There is provided a force sensor that has a distorted body and a stage and a variable spring constant. The distorted body has a fixed section, a spring section connected to the fixed body, and a beam connected to the spring section, the beam extends horizontally from the spring section, and one end of the beam has a magnet and the end in the opposite side that does not have the magnet in the beam is a soft actuator. The stage has at least one stage side magnet, and hence the force sensor has a spring constant obtained by adding up the spring constant of the distorted body and a spring constant because of restoration force of the magnet between the stage side magnet and the magnet of the beam. The stage can adjust the distance between the stage side magnet and the magnet of the beam, thus changing the spring constant because of the restoration force of the magnet with the magnet of the beam.SELECTED DRAWING: Figure 5
Owner:KEIO UNIV

Drying method for clothes processing equipment, electronic equipment and clothes processing equipment

The embodiment of the present application discloses a drying method for a clothing processing device, an electronic device, and a clothing processing device, which belong to the field of equipment control. The drying method includes controlling the start-up of the first fan and obtaining the first power of the first fan in at least one stage before the drying temperature rise stage, the drying temperature rise stage, and the drying dehumidification stage; and controlling the working state of the second fan according to the difference between the first power and the preset first power threshold to change the airflow condition in the drying duct. The embodiment of the present application has a technical effect of executing a cleaning strategy on the first filter, so that dander and / or water film can be cleaned, so that the subsequent drying process is not easily affected by dander and water film, the drying time is controlled, and the drying efficiency is guaranteed.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

One-way valve type sealing piece and straw cup

The invention relates to a one-way valve type sealing piece and a straw cup, the one-way valve type sealing piece comprises a body, and the body is provided with a mounting part formed by folding and compressing a protruding part; the protruding part is of a hollow shell wall structure with the top closed and is of an annular body with at least one stage, the diameter of the annular body is gradually reduced from bottom to top, and a water outlet hole is formed in a step of the annular body. The valve part is used for opening or closing the water outlet hole, and the valve part protrudes out of the top of the annular body and is provided with a valve plate with an expanded outer diameter; after the valve part and the protruding part are sequentially and downwards folded and compressed through the deformable folding marks, an installation part used for installing the suction pipe is formed, the suction pipe and the water outlet hole are communicated, a one-way liquid outlet channel is formed, and opening and closing of the channel are controlled by the valve plate so that sealing of the suction pipe can be achieved.
Owner:NINGBO RAFFINI IMPORT & EXPORT CO LTD

Stepped gradually-changing milk lining

The invention discloses a stepped gradually-changing milk lining which comprises a sleeve integrally formed in an extending mode in the X direction of a longitudinal central axis, and a working cavity of the sleeve is used for containing animal nipples. The device is characterized in that a working cavity of the sleeve is divided into at least two stages of conical cavities step by step from top to bottom in the direction of the longitudinal central axis X, each stage of conical cavity is gradually narrowed from top to bottom, the taper angle of each stage of conical cavity is gradually reduced from top to bottom, and the surface of an animal nipple is attached to the inner wall of at least one stage of conical cavity in a sealed mode; the nipples with different diameter sections can be tightly attached to at least one stage of conical section through the taper decreasing design, the air leakage and blow-by risks are eliminated, the sealing performance is improved, the milking efficiency is improved, and breast health is improved.
Owner:胡伟民

Parallel framework variable-speed electric drive assembly

The utility model discloses a parallel framework variable-speed electric drive assembly. A power output sleeve and a middle transmission sleeve which can rotate relative to a main shaft, and a power connecting sleeve and a sliding shifting fork sleeve which synchronously rotate with the main shaft are sequentially sleeved on the main shaft towards the direction far away from a motor shaft, or an internal spline of the shifting fork sleeve is combined with a high-speed gear external spline; or the shifting fork sleeve combination teeth are combined with the low-speed gear combination teeth. By adopting the variable-speed electric drive assembly with the parallel structure, through ingenious matching of the power output sleeve, the middle transmission sleeve, the power connecting sleeve, the low-speed gear transmission sleeve and the shifting fork sleeve which are almost arranged in parallel, compared with an existing low-cost electric drive system, on the premise that the reduction ratio is guaranteed, at least one stage of speed reduction transmission is omitted, and the transmission efficiency is improved. The transmission efficiency is effectively improved, the overall structure is more compact, and the overall appearance size is reduced, so that the requirement for the installation space is lowered, and the applicability is better.
Owner:CHONGQING ZHIZHU TRANSMISSION IND TECH RES INST CO LTD

Signal source circuit and conducted emission signal source

The utility model relates to a signal source circuit and a conducted emission signal source, and the signal source circuit comprises an oscillation circuit which is used for generating an oscillation signal with a set frequency; the signal processing circuit is used for at least amplifying the signal amplitude of the oscillation signal to obtain a comb-shaped signal; the signal processing circuit comprises a first type of phase inverter and a second type of phase inverter, the input end of the first-class inverter is connected with the output end of the oscillating circuit, and the input end of the second-class inverter is connected with the output end of the first-class inverter. Oscillation signals are subjected to primary amplification through the first-class inverter, and the oscillation signals are subjected to secondary amplification through the second-class amplifier, so that signal amplitude amplification is realized, and meanwhile, the circuit structure is simplified. Moreover, the input end of the second type of inverter is connected with the output end of the first type of inverter, so that the oscillation signal returns to an initial state after two times of phase inversion, and the signal can maintain a stable oscillation state.
Owner:ZHEJIANG LEAPMOTOR TECH CO LTD

A method for self-stabilization of tunnels and filling of goaf in coal pillar-free mining

The present invention discloses a method for self-stabilization of tunnels and filling of goafs in pillar-free mining. In the filling method, two bearing devices, namely, a slurry-stopping wall and a pier, are respectively designed. Three cycles are used as one stage, that is, three slurry-stopping walls are pre-designed, and two piers are arranged in each slurry-stopping wall. The interval between the slurry-stopping walls is 20-30m. The existence of the slurry-stopping wall can prevent the filling slurry in the goaf from overflowing to the working face and affecting normal mining. The existence of the pier supports the tunnel roof on the one hand, keeps the tunnel intact, and has filling space. On the other hand, the use of the piers at intervals not only exerts the bearing function of the filling body in the tunnel but also reduces the filling cost.
Owner:BOXIA MINING TECH LTD +1

A program detection method and device

The present invention discloses a program detection method and apparatus, which can input a seed file into a program to be tested for hybrid symbolic execution to determine a seed path. During the hybrid symbolic execution, time series data of basic block execution information is determined and clustered, the target subroutine is divided into at least one stage subroutine, the seed state values of test cases in the at least one stage subroutine are recorded, and the seed state values are input into the program to be tested according to a symbolic execution strategy to carry out symbolic execution testing. The present invention can enable symbolic execution to reach the input-related statement corresponding to the seed state value in a certain stage subroutine in a short time, and can continue to carry out symbolic execution testing from this statement, explore other branch paths for a longer time within a limited time, explore more or deeper paths in the program to be tested within a limited time, improve the code coverage rate of the program to be tested, and improve the program detection efficiency.
Owner:TSINGHUA UNIVERSITY

Volute structure and fan device

The utility model belongs to the technical field of fans, and discloses a volute structure and a fan device.The volute structure comprises a volute body and a volute tongue detachably connected to the volute body, and the volute body comprises a first cover plate, a second cover plate and a side coaming which are connected in a surrounding mode to form an air cavity. The end, located at the air outlet of the air cavity, of the side surrounding plate is provided with at least one stage of installation boss, the installation boss protrudes towards the outer side away from the air cavity, the installation boss comprises a first positioning part and a second positioning part which are arranged in an included angle mode, and the volute tongue is arranged in the air cavity and provided with a first positioning face and a second positioning face. The first positioning face and the second positioning face can abut against the first positioning part and the second positioning part in an attached mode respectively, and the first fastener penetrates through the installation boss and is connected with the volute tongue. According to the volute structure, the volute tongue can be accurately positioned on the volute body and quickly disassembled and assembled on the volute body, the disassembling and assembling actions are not limited by the space of an air cavity, the operation is convenient, the disassembling and assembling efficiency is improved, and the working condition application range of a fan device is wide.
Owner:QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD +2

Accumulator assembly for additive manufacturing

An additive manufacturing apparatus (10) includes a feed module (22) and a take-up module (24) that are configured to operably couple with a foil (26). A stage (18) is configured to hold one or more cured layers of a resin (R) that form a component (12). A radiant energy device (20) is positioned opposite to the at least one stage (18). The radiant energy device (20) is operable to generate and project radiant energy in a predetermined pattern. An actuator (40) is configured to change a relative position of the at least one stage (18) and the foil (26). An accumulator (64) is positioned between the feed module (22) and the take-up module (24). The accumulator (64) is configured to retain an intermediate portion of the foil (26) to allow a first portion of the foil (26) upstream of the accumulator (64) to move at a first speed and a second portion of the foil (26) downstream of the accumulator (64) to move at a second speed during a defined time period.
Owner:GENERAL ELECTRIC CO

One-way valve type sealing piece and straw cup

The utility model relates to a one-way valve type sealing piece and a straw cup, the one-way valve type sealing piece comprises a body, the body is provided with a mounting part, a sealing part and a sealing part, the protruding part is of a hollow shell wall structure with the top closed and is of an annular body with at least one stage, the diameter of the annular body is gradually reduced from bottom to top, and a water outlet hole is formed in a step of the annular body. The valve part is used for opening or closing the water outlet hole, and the valve part protrudes out of the top of the annular body and is provided with a valve plate with an expanded outer diameter; after the valve part and the protruding part are sequentially and downwards folded and compressed through the deformable folding marks, an installation part used for installing the suction pipe is formed, the suction pipe and the water outlet hole are communicated, a one-way liquid outlet channel is formed, and opening and closing of the channel are controlled by the valve plate so that sealing of the suction pipe can be achieved.
Owner:NINGBO RAFFINI IMPORT & EXPORT CO LTD

Multi-modal profiling flow field data acquisition device and data acquisition method

The invention discloses a multi-modal profiling flow field data acquisition device and a data acquisition method, a liquid flow maintaining box is fixed above a workbench of the data acquisition device, a profiling liquid flow table and a jet flow table which are coaxially and reversely connected are arranged in the liquid flow maintaining box, the profiling liquid flow table is located below the jet flow table, and a spiral blade is fixedly arranged on the upper surface of the profiling liquid flow table; at least one stage of flow channel is arranged in the jet flow table, each stage of flow channel extends to the circumferential direction of the jet flow table to form a jet flow opening, a hollow sliding rod is arranged in a center hole of the jet flow table, the upper end of the sliding rod is connected with a liquid supply device through a pipeline, the middle is dynamically sealed with the upper surface of the jet flow table, and the lower end is in threaded connection with the jet flow table. At least one group of liquid outlets are formed in the lower part of the sliding rod, a test plate is fixedly mounted in the liquid flow maintaining box, two groups of pressure sensors are arranged at the joints of the test plate and the left and right ends of the liquid flow maintaining box, and nine or eight distance measuring sensors are uniformly arranged on the test plate. The device can realize a multi-level and multi-mode jet scene.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Phototherapy device

PCT designated stageWO2026094789A1Light therapyHigh-pressure discharge lampsMechanical engineeringLight emission
A phototherapy device (200) is provided with a flash discharge tube (1), and a control device (220) that controls the light emission of the flash discharge tube (1). The flash discharge tube (1) is provided with: a light-transmissive envelope (10) in which an inert gas is enclosed; an anode (20); and a cathode (30). The envelope (10) includes: a quartz glass tube (11); a borosilicate glass material (12) that seals the anode (20); a borosilicate glass material (13) that seals the cathode (30); an intermediate glass material (14) that joins the quartz glass tube (11) and the borosilicate glass material (12); and an intermediate glass material (15) that joins the quartz glass tube (11) and the borosilicate glass material (13). Each of the intermediate glass materials (14, 15) is a glass material consisting of one stage or two stages. The tip portion of the cathode (30) is positioned inside the quartz glass tube (11). The cathode (30) has a sintered pellet (34). The sintered pellet (34) overlaps the intermediate glass material (15) in a side view.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Multi-pile-in-one stage state monitoring device

The invention belongs to the technical field of construction equipment, and discloses a multi-pile-in-one stage state monitoring device which comprises a base and further comprises a lifting mechanism, the lifting mechanism is arranged on the outer wall of the top end of the base, and a transverse plate is arranged on the outer wall of the lifting mechanism; the monitor is arranged on the outer wall of the bottom end of the transverse plate through a mounting mechanism; the fixing ring is arranged outside the lifting mechanism through a spring, and the exterior of the lifting mechanism is fixedly connected with a gravity sensor; the alarm is arranged on the outer wall of the top end of the base; the stabilizing mechanism is arranged in the inner wall of the bottom end of the base; through cooperation of structures such as the movable rod and the fixed rod, the monitor can be driven to move upwards when the sleeve rod is treaded, at the moment, an operator manually supports the monitor to adjust the height of the monitor in a more labor-saving mode, height adjustment does not need to be conducted completely through hand force, and the working intensity is reduced.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD +3

A micro centripetal turbine sealing device

The present invention relates to the field of rotary mechanical seals and discloses a micro centripetal turbine sealing device for use between a housing and a rotating shaft. The device comprises a micro centripetal turbine and a multi-stage sealing element arranged axially. A stage gap is formed between any two adjacent stages of the sealing element. A micro centripetal turbine is disposed within at least one stage gap. The micro centripetal turbine comprises a disk and a plurality of blades. The disk is used to be fixedly mounted on the outer side of the rotating shaft. The outer wall of the disk is a conical structure, and the outer diameter of the end of the disk close to the high-pressure side is larger than the outer diameter of the end of the disk away from the high-pressure side. All blades are disposed on the outer wall of the disk and arranged circumferentially. Each blade can expand and reduce the pressure of the airflow on the high-pressure side, and the end of the disk close to the high-pressure side can shield all blades. Compared with sealing using multi-stage sealing elements, the micro centripetal turbine sealing device can achieve sealing within a shorter axial spacing by utilizing the micro centripetal turbine in conjunction with the sealing element.
Owner:JIMEI UNIV