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101results about How to "Solve difficulty" patented technology

Semiconductor device and manufacturing method thereof

The invention provides a semiconductor device and a manufacturing method thereof. The manufacturing method comprises the following steps: providing two wafers to be mixed and bonded; forming a bonding layer; etching the metal layer of the first wafer to enable the surface of the metal layer to be lower than the surface of the dielectric layer; forming a nano bridge metal layer on the surface of the metal layer of the first wafer; forming a nano bridge dielectric layer; bonding the first wafer and the second wafer; leading out a metal connecting piece; and applying voltage by using the metal connecting pieces so as to conduct the nano-bridge dielectric layer between the metal layers. According to the invention, the nanometer bridge structure is formed in the metal bonding area of the first wafer and the second wafer, so that metal bonding is realized by using the nanometer bridge structure under a power-on condition, metal layers do not need to be bonded by using annealing thermal expansion, and the height of the metal layers relative to a dielectric layer and the surface pattern of the metal layers do not need to be strictly controlled; and high-temperature annealing is not needed, so that the process difficulty is reduced, the performance of the device is ensured, and the problems of high difficulty and influence on the performance of the device in the existing mixed bonding process method are solved.
Owner:SHANGHAI MICROWELL ELECTRONIC TECH CO LTD

Household electricity consumption analysis method based on non-intrusive load monitoring and related equipment

The invention belongs to the field of non-intrusive load monitoring, and discloses a household electricity consumption analysis method based on non-intrusive load monitoring and related equipment, firstly, non-intrusive monitoring is realized by using household total electricity meter data instead of a single equipment electricity meter, and the complexity and cost of household electricity consumption data collection are reduced; secondly, an unsupervised learning method is adopted to cluster the power load state data, data does not need to be marked in advance, and different load events are automatically identified and classified, so that the problems of load type diversity and high identification difficulty are effectively solved, and the accuracy and efficiency of load event detection are improved; in combination with a depth-first search algorithm and load event constraint conditions, fine search is carried out on load event labels, an undetermined event sequence set is generated, the logicality and continuity of event sequences are enhanced, electricity utilization behavior analysis of the electric equipment is deeper and finer, home users can better understand and optimize own electricity utilization modes, and the user experience is improved. And energy conservation, emission reduction and efficient utilization of energy are promoted.
Owner:STATE GRID BEIJING ELECTRIC POWER CO +1

Beverage production method and device, beverage machine and storage medium

PendingCN119655620AAvoid repeated accuracy verificationAvoid accuracy verificationBeverage vesselsProcess engineeringIndustrial engineering
The embodiment of the invention discloses a beverage production method and device, a beverage machine and a storage medium. The method comprises the following steps: a first single-path production step: under the condition that a current target beverage adopts a first target verification pipeline, controlling only one first target verification pipeline to perform single-path production; a multi-path production step: controlling a first specific pipeline required by the current target beverage to perform multi-path production; an integral accumulation verification step: when the difference value between the actual production quantity after the multi-path production step and the preset production quantity meets the production error requirement, accumulating the integral of each first specific pipeline of the multi-path production step; and verifying whether the production precision of the first target verification pipeline of each first single-path production step meets a preset precision requirement or not. According to the scheme, precision verification can be automatically triggered through pipeline integration, and the problems that the difficulty of manual judgment of pipelines with poor production precision is large, and consumed time is long are effectively solved.
Owner:SUZHOU MEGAROBO TECH CO LTD

A processing fixture for producing shirt sleeve butterflies

The present invention discloses a processing fixture for producing butterfly sleeves of shirts, which relates to the technical field of garment production and processing, and comprises a fixing plate, one end of which is fixedly connected to one end of one side of a supporting plate, the other end of which is fixedly connected to a positioning plate, a through hole is provided on the positioning plate, a groove is provided in the middle of the fixing plate, telescopic rods are provided at both upper and lower ends of the groove, one end of the telescopic rod is fixedly connected to a limited block, the other end of the telescopic rod passes through the fixing plate and is fixedly connected to a clamping plate, a pulley is movably connected to the inner side of the clamping plate, and a compression spring is sleeved in the middle of the telescopic rod. The processing fixture for producing butterfly sleeves of shirts, by providing a positioning plate, facilitates sleeves to be sleeved on the positioning plate, and plays a positioning role; by providing a clamping plate, the sleeves can be clamped after being positioned, and plays a fixing role; by providing a telescopic rod and a compression spring, a pulling force is exerted on the clamping plate, so that the clamping plate has a clamping force.
Owner:HUZHOU 1024 CLOTHING CO LTD

Edge computing device control circuit and edge computing device

ActiveCN224732396Ureduce manufacturing costsolve design problems
The application relates to the field of communication and discloses an edge computing device control circuit and an edge computing device. The edge computing device control circuit comprises a first processor and a second processor, a micro control unit connected with the first processor and the second processor, and a switching device connected with the micro control unit. The switching device is connected with a timing pin of the micro control unit, the first processor is connected with a first control pin of the micro control unit, and the second processor is connected with a second control pin of the micro control unit. The timing pin is used for recording the closing duration of the switching device, the micro control unit is used for controlling the first processor through the first control pin when the closing duration is less than a set duration and controlling the second processor through the second control pin when the closing duration is greater than or equal to the set duration. The application solves the technical problems of increased difficulty in design and maintenance and high cost of the edge computing device in the prior art.
Owner:BEIJING SENSORO CO LTD

Magnetic bar antenna structure

The invention discloses a magnetic bar antenna structure, which belongs to the technical field of communication, and comprises a connecting seat and three magnetic bar antennas, the magnetic bar antennas are magnetic bars which are orthogonal in pairs and are wound with coils, and the magnetic bar antennas are fixed on the connecting seat made of a non-magnetic material; the magnetic bar antennas are externally connected with resonance circuits respectively. Each resonance circuit comprises a resonance capacitor and a resonance inductor. The communication method of the magnetic bar antenna structure comprises the following steps: determining communication parameters according to communication requirements, and obtaining structure parameters of a magnetic bar antenna; the communication parameters comprise the minimum frequency bandwidth; calculating the distributed inductance of the magnetic rod antenna according to the obtained structural parameters; calculating a frequency bandwidth according to the calculated distributed inductance; judging whether the structural parameters of the magnetic bar antenna meet communication requirements or not according to the calculated frequency bandwidth; and when the calculated frequency bandwidth is greater than the obtained minimum frequency bandwidth, determining that the structural parameters of the magnetic bar antenna meet communication requirements. The problem that an existing communication coil is unstable in structure or high in manufacturing difficulty can be solved.
Owner:KUNMING UNIV OF SCI & TECH

Floating type photovoltaic platform and photovoltaic power station

The utility model discloses a floating type photovoltaic platform and a photovoltaic power station. The floating type photovoltaic platform comprises a first operation and maintenance walkway extending along a first direction and a second operation and maintenance walkway extending along a second direction, the first operation and maintenance aisles are formed by sequentially connecting a plurality of first floating bodies end to end in the first direction, and a plurality of first rod pieces used for installing photovoltaic modules are connected between every two adjacent first operation and maintenance aisles; each second operation and maintenance aisle comprises a plurality of second floating bodies which are arranged in parallel and are sequentially arranged at intervals in the second direction, and the second floating bodies on the same second operation and maintenance aisle are connected through second rod pieces; wherein the first floating body and the second floating body are constructed into universal floating bodies of the same specification. The floating body framework only needs the universal floating bodies of one specification, so that the specification number of the floating bodies is greatly reduced, and the problems of high management cost and high installation difficulty caused by multiple types of materials of a floating type photovoltaic platform are effectively solved.
Owner:SUNGROW FPV SCI & TECH CO LTD

Omnibearing adjusting and supporting system suitable for special-shaped curved roof and mounting method of omni-bearing adjusting and supporting system

According to the all-dimensional adjusting and supporting system suitable for the special-shaped curved roof and the mounting method of the all-dimensional adjusting and supporting system, the problems that machining and mounting difficulty of adapters among components of an existing curtain wall is large, and mounting precision is difficult to control are solved. The connecting structure comprises main keels, secondary keels and adapters, the adapters are formed by fixedly connecting base plates and bosses arranged in the middles of the base plates, the bosses are embedded in the splicing positions of every two adjacent main keels, screw rods penetrate through long-strip-shaped holes of the main keels and the bosses and are locked and fixed together, the base plates are connected to connecting base plates of keel supports through bolts, the keel supports are connected to supporting purlins, and the supporting purlins are connected to the secondary keels through bolts. The secondary keels are in bolted connection with the main keels. The installation method comprises the steps that the coordinates of the keel support are determined, positioning and installation are conducted on site, the adapter is embedded between the two adjacent main keels, the screws penetrate through the main keels and the long-strip-shaped holes of the bosses and are locked and fixed together, the base plate is connected to the connecting base plate through bolts, and the keel support is connected to the supporting purline.
Owner:SHANGHAI BUILDING DECORATION ENG GRP CO LTD

Toughened and modified oxygen barrier material and flexible PE-RT oxygen barrier pipe

The invention discloses a toughened modified oxygen barrier material and a flexible PE-RT oxygen barrier pipe. The oxygen barrier material is prepared from LLDPE, POE, modified dolomite powder, a coloring agent, an antioxidant and an ethylene-vinyl alcohol copolymer according to a certain ratio. The PE-RT oxygen barrier pipe is formed by co-extrusion of an inner plastic layer, a hot melt adhesive layer and an oxygen barrier outer layer, the inner plastic layer is formed by extrusion of raw materials including 100 parts by mass of PE-RT and 1-3 parts by mass of color master batch, the hot melt adhesive layer is formed by extrusion of PE hot melt adhesive, and the oxygen barrier outer layer is formed by extrusion of the toughened and modified oxygen barrier material. According to the prepared oxygen barrier pipe, the bending performance of the oxygen barrier layer is improved, the bending modulus is reduced, the problems that a PE-RT oxygen barrier pipe is difficult to bend, large in construction difficulty and the like are effectively solved, and meanwhile the oxygen barrier performance of the oxygen barrier pipe is further improved.
Owner:WUHAN KINGBULL ECONOMIC DEV

Low-power-consumption deflectometer system

The utility model provides a low power consumption deflectometer system, which comprises a deflectometer, an LORA communication module and a plurality of infrared targets, the LORA communication module is connected with a micro-control circuit board in the deflectometer through a serial port, a radio frequency unit is arranged in the LORA communication module, the deflectometer is used for monitoring the plurality of infrared targets, the infrared targets are connected with a power supply module, and the power supply module is connected with the power supply module. An LORA controller is arranged between the power supply module and the infrared target, the LORA controller is used for controlling power supply of the infrared target, the LORA communication module is connected with the LORA controller through a radio frequency unit, the power supply module comprises a photovoltaic panel, and the photovoltaic panel is used for providing electric energy. By arranging the LORA communication module and the LORA controller, power supply of the active infrared target can be controlled, energy consumption is greatly reduced, meanwhile, the LORA technology adopted in the LORA communication module has the advantages of being low in power consumption and long in transmission distance, the power consumption of the deflection instrument system is further reduced, by arranging the power supply module, a photovoltaic panel is arranged in the power supply module, and the power consumption of the deflection instrument system is reduced. And the consumption of traditional energy can be further reduced.
Owner:JIANGXI FASHION TECH

Automobile air conditioner outlet pipe

The utility model provides an automobile air conditioner outlet pipe which comprises an air conditioner outlet pipe body, and the two ends of the air conditioner outlet pipe body are detachably connected with a first filtering assembly and a second filtering assembly respectively. The first filtering assembly comprises a mounting cylinder and a connecting cylinder, the mounting cylinder and the connecting cylinder are slidably arranged at one end of the air conditioner outlet pipe body, one end of the connecting cylinder is fixedly connected with one end of the mounting cylinder, filtering pieces are arranged at the ends, away from each other, of the mounting cylinder and the connecting cylinder, and two spiral grooves formed in the same direction are formed in the inner wall of the connecting cylinder. According to the automobile air conditioner outlet pipe, a double-layer filtering detachable structure is adopted, airflow can be guided to rotate and flow in the axial direction, the radial speed component is reduced, vortex formation is restrained, the air speed of an air outlet is more uniform, energy consumption is reduced, a turbulent noise source can be eliminated when vortex formation is restrained, and noise of the air outlet of an air conditioner in an automobile is lowered.
Owner:XINCHANG COUNTY JINANKE AUTO PARTS CO LTD

A dust collector with filter self-cleaning function

This utility model discloses a dust collector with a self-cleaning filter element function, including a housing. An air inlet is provided at the upper end of the housing. A horizontal plate is fixedly connected inside the housing, and a vertical plate is fixedly connected to the lower end of the horizontal plate. The horizontal and vertical plates divide the internal space of the housing into an air intake chamber, a filter chamber, and an installation chamber. An opening is provided at the rear side of the installation chamber. A suction assembly is installed at the upper end of the horizontal plate, and the air outlet of the suction assembly communicates with the filter chamber. Four filter elements are installed in the filter chamber. Each filter element includes a first circular opening on the vertical plate, a second disc rotatably connected to the first circular opening, and three horizontal bars fixedly connected to the front side of the second disc. This utility model can quickly remove dust from the airflow using four dust collectors, and facilitates the installation and disassembly of the filter element body. Furthermore, the horizontal pipes and transmission assembly can blow off and collect dust from the filter element body.
Owner:SHANGHAI RUOTONG MACHINERY EQUIPMENT CO LTD

Method and device for recovering TDD control signal of remote terminal of remote system by using MCU

The invention belongs to the technical field of 5G. The invention provides a method for recovering a TDD (Time Division Duplexing) control signal of a remote terminal of a remote system by utilizing an MCU (Microprogrammed Control Unit). The method comprises the following steps of: 1, initializing and capturing a TDD synchronous signal interruption pin, an LNA (Low Network Alliance) control signal pin and a PA (Power Amplification) control Step 2, the MCU detects a 5G wireless frame, and initializes a timer according to a 5G wireless frame period; step 3, the MCU captures an edge flipping signal in the TDD synchronization signal, when the edge flipping signal is a falling edge, a timestamp t1 is recorded, and the edge flipping signal continues to be detected; when the edge flipping signal is a rising edge, recording a timestamp t2, controlling the signal pin to pull up the level by the LNA, controlling the signal pin to pull down the level by the PA, and starting a timer according to the time difference between the timestamp t2 and the timestamp t1; and step 4, when timer interruption arrives, the LNA controls the signal pin to pull down the level, the PA controls the signal pin to pull up the level, and the timer is stopped, so that complete TDD uplink and downlink synchronization signals are generated. And the recovery of two paths of control signals of the LNA and the PA is realized by adopting an MCU timing mode.
Owner:BEIJING KAIBO WIRELESS TECH CO LTD

Single-coordinate positioning method and device based on UWB and nine-axis gyroscope

The invention provides a single-coordinate positioning method and device based on UWB and a nine-axis gyroscope. A positioning base point with reference coordinates of a preset coordinate system is arranged in a positioning space. The method comprises the following steps: firstly, accurately acquiring distance information between a positioning base point and a positioned point by using a UWB technology, and calculating attitude information of the positioned point in a preset coordinate system according to key parameters of a gyroscope of the positioned point; and locking the spherical surface of the positioned point by means of the distance information, fusing the attitude information to determine the relative coordinate of the positioned point on the spherical surface relative to the positioning base point, and finally superposing the relative coordinate and the reference coordinate to obtain the absolute coordinate. According to the method, UWB distance measurement and nine-axis gyroscope navigation are ingeniously fused, and more than four base stations required by traditional three-dimensional positioning are reduced to one base station. The method greatly reduces the cost and construction difficulty, plays an important role in the fields of safety monitoring and the like, can efficiently and accurately position a target, meets the multi-scene positioning requirements, powerfully pushes the development of a positioning technology, and provides reliable positioning support for related applications.
Owner:SICHUAN ZHONGXIN TIANCHENG TECH CO LTD

A hybrid construction system of reinforced concrete block and steel interior frame

This invention relates to the field of low-rise and multi-story buildings, and more particularly to a hybrid structural building system of reinforced masonry blocks and steel internal frames, comprising: reinforced masonry block walls, a steel frame, floor slabs, and connecting nodes. The reinforced masonry block walls include standard blocks, L-shaped sawn blocks, sawn single pieces, and blocks of equal specifications. Inserts are provided within the holes of the blocks, and reinforcing bars are provided in the horizontal mortar joints or tie beams. Concrete is poured into the holes to form core columns. The steel frame is formed by rigidly connecting steel columns and steel beams. The steel beams include beam members, the distal ends of which rest on the reinforced masonry block walls. This invention achieves an organic unity of high seismic performance, good sound and heat insulation, and flexible large-span interior space arrangement. It solves the problems of existing pure steel frame structures, such as large steel consumption, high cost, poor sound and heat insulation, and difficulty in concealing steel columns, as well as the shortcomings of pure reinforced masonry structures, such as dense interior load-bearing walls, limited space layout, and difficulty in later demolition and modification.
Owner:ENROTECH (BEIJING) ENG TECH CO LTD

Eccentric thin-wall structural part, forming cavity combined structure and preparation method

The invention relates to the technical field of aluminum-based composite materials, in particular to an eccentric thin-wall structural part, a forming cavity combined structure and a preparation method. The structural member is prepared by the preparation method. The preparation method comprises the following steps: building a forming cavity combined structure; a release agent is sprayed to the inner wall face of the forming cavity; the aluminum alloy powder with the target component proportion is filled into the forming cavity in batches, and a blank is obtained through cold pressing in passes; wherein the aluminum alloy powder comprises a reinforcing phase with the mass percentage of 40%-70%; performing hot pressing sintering treatment to obtain a pre-finished product; and the forming cavity is disassembled, a pre-finished product is taken out, and the eccentric thin-wall structural part is obtained through aftertreatment. According to the method, the eccentric thin-wall structural part with high tensile strength can be obtained, the material utilization rate can be greatly increased, the machining time and the machining cost are remarkably reduced, the problem that cracks and even breakage occur due to the fact that stress concentration is likely to be generated during blank demolding is solved, and the problems that the machining allowance is large and the machining difficulty is large are solved.
Owner:HUNAN JINTIAN ALUMINUM HI TECH CO LTD +1

Force measuring tool for spring with large length-diameter ratio

The invention discloses a force measuring tool for a spring with a large length-diameter ratio, and belongs to the technical field of spring detection, the tool comprises an upper pressure head and a base, the upper pressure head comprises a thin-wall plate and a guide cylinder which are fixedly connected, the outer edge of the thin-wall plate is larger than the outer diameter of the spring to be measured, and the outer diameter of the guide cylinder is smaller than the inner diameter of the spring to be measured; the base comprises a bottom plate and a core rod which are fixedly connected, the guide cylinder and the core rod are in clearance fit and can slide mutually in the axial direction, the guide cylinder and the core rod are each of a hollow structure and interact with each other, the mass of the measuring tool pressed on a spring is greatly reduced, the measuring mode capable of obtaining an accurate result is simplified, the structure is simple, and the cost is low. The influence of the measuring tool on the spring measuring result is reduced as much as possible.
Owner:SHENYANG AEROSPACE XINGUANG GRP

Instant bird's nest production capping device

The utility model belongs to bird's nest production technical field, and disclose a kind of instant bird's nest production capping device, including packaging station, the top of packaging station is provided with transfer conveying table, the side of transfer conveying table is equipped with several transfer conveying grooves of uniform distribution, the inside movable embedding of packaging station has feeding belt and discharging belt, one end of feeding belt and discharging belt extends to the bottom of transfer conveying groove, the top of packaging station is fixedly connected with the protective baffle of transfer conveying table, feeding belt and discharging belt outside.The utility model because of the setting of transfer conveying groove, make the tank body and tank cover after buckling move to between transfer conveying table and rotary frame, and make it be located in the directly below of corresponding one packaging screwing mechanism, to make it when transferring between feeding belt and discharging belt be able to make the tank cover and tank body corresponding under it screwing of packaging screwing mechanism, without stopping, effectively improve the processing efficiency of tank cover screwing.
Owner:GUANGDONG TAISHENG PHARM CO LTD

Inverted cold-bending curled steel composite beam structure

ActiveCN222332455UConvenient and quick to read concatenationsolve difficultyBridge structural detailsBridge materialsBridge deckComposite beams
The utility model provides an inverted cold-bending curled steel composite beam structure which comprises a composite beam unit and a concrete bridge deck arranged on the composite beam unit, the composite beam unit comprises a plurality of cold-bending curled steel beams which are arranged in parallel, each cold-bending curled steel beam comprises an upper flange plate, two webs and two lower flange plates, the two lower flange plates are horizontally rolled outwards along the bottom ends of the webs, the upper flange plate, the two webs and the two lower flange plates define a hollow steel beam structure with an inverted-U-shaped cross section, a plurality of bolt penetrating holes are formed in the two lower flange plates of each cold-bent edge-rolled steel beam, and every two adjacent cold-bent edge-rolled steel beams are connected through a plurality of inter-beam lacing bars. According to the utility model, the cold-bending curled steel beams are designed into inverted structures, so that bending and torsional stress can be better resisted, the separated cold-bending curled steel beams can be conveniently and quickly connected through the lacing bars between the beams, and the construction difficulty and risk are greatly reduced.
Owner:CHANGAN UNIV +1

A single-carrier photodiode wafer structure

The application discloses a single-carrier photodiode wafer structure, which comprises a first contact layer, a barrier layer, an absorption layer, a first interval layer, a second interval layer, a third interval layer, a collection layer, a sub-collection layer, a first stop layer, a second contact layer, a second stop layer and a substrate arranged in sequence from top to bottom; the substrate is made of indium phosphide-based silicon material; the first contact layer, the barrier layer, the absorption layer, the first interval layer, the second interval layer and the third interval layer are doped with zinc material; the collection layer, the sub-collection layer, the first stop layer, the second contact layer and the stop layer are doped with selenium material; the doping concentration of the selenium material is 8E15-8E19 / cm ‑3 The selenium is used to replace silicon, and high doping is carried out on a plurality of semiconductor wafer layers, so that the difficulty of single-carrier photodiode wafer manufacturing process is reduced, the cost is lowered, and efficient, fast and low-cost sources are provided for large-scale industrial application of the single-carrier photodiode.
Owner:MAGNESIUM KRYPTON (SICHUAN) MICROSYSTEM TECHNOLOGY CO LTD

Object control type game operation method and device, equipment and storage medium

The invention discloses an object control type game operation method and device, equipment and a storage medium. The method comprises the steps that game resources of an object control type game are loaded, and an event response component in the game resources is initialized; according to a hypertext markup language file and a cascading style file in the game resource, rendering a first container and a second container in a game interface of the object control type game; binding the style attributes of the second container, the first object and the second object with the type of the target touch event through an event binding mechanism of the event response component; when the target touch event is monitored, adjusting style attributes of the second container, the first object and the second object according to touch data of the target touch event; generating a key frame animation according to the adjusted style attribute of the second container and the second object, generating a sequence frame animation according to the adjusted style attribute of the first object, and rendering an animation that the object carried by the second container flows to the first container on a game interface according to the key frame animation and the sequence frame animation.
Owner:GUANGZHOU YINGFENG NETWORK TECH CO LTD

Landing support device for deep hole boring machine

The utility model relates to the field of deep hole boring machine, specifically is a kind of deep hole boring machine lift support device, including support slide rail, the support slide rail top is provided with adjusting support block, the adjusting support block top contact has L-shaped plate, the bottom side of adjusting support block end is fixedly connected with rectangular plate one, the sidewall of rectangular plate one bottom is fixedly connected with connecting block, the middle part of L-shaped plate bottom is rotatably connected in the outer wall of connecting block, L-shaped plate sidewall is provided with sliding block, sliding block sidewall rotatably connects with connecting plate, the sidewall of connecting plate bottom is rotatably connected in the sidewall of rectangular plate one, connecting plate sidewall is fixedly connected with fixed block, and fixed block outer wall rotatably connects with electric telescopic rod;The utility model through L-shaped plate, rectangular plate one, connecting plate, sliding slot one, sliding block, electric telescopic rod, fixed block and the cooperation of connecting block, can remove the clamping assembly of fixed product to support slide rail bottom side, need not to rely on other tools to sling when feeding, reduce processing cost and operation difficulty, improve practicality.
Owner:QINGDAO GANGWEI HONGSHENG MASCH EQUIP CO LTD

Disassembling and assembling tool for counter weight of driving head

The utility model provides a driving head counterweight dismounting tool, and relates to the technical field of mechanical equipment. The driving head counterweight dismounting and mounting tool comprises a first connecting piece used for being stably connected with a part to be dismounted or mounted; the second connecting piece is provided with a first surface, and the first connecting piece is connected to the first surface; the abutting part is perpendicular to the first surface and rotationally connected with the second connecting piece, and the first end of the abutting part is located on the side, provided with the first surface, of the second connecting piece; the first end can advance or retreat towards the second surface, opposite to the first surface, of the first connecting piece through rotation of the abutting part relative to the second connecting piece. According to the technical scheme, in the dismounting or mounting process, contact and separation between the first connecting piece and the to-be-dismounted part can be controlled by rotating the abutting part, and the technical problems that in the existing dismounting process, operation is inconvenient, the safety risk is large, and efficiency is low can be solved.
Owner:CHINA BLUECHEMICAL LTD +1

Range hood

ActiveCN224694593Usolve difficultySolve the cumbersome assemblyMechanical engineeringMechanics
The utility model discloses a range hood, include: range hood main part, range hood main part has the inner wind box of suction panel and the inboard of suction panel, and the suction panel is set up with the air inlet, and the inner wind box is equipped with the smoke collecting cavity and the overflow port, and the overflow port communicates the smoke collecting cavity with the air inlet, the air inlet and the overflow port are narrow and long, and the overflow port sets up around the air inlet to avoid the air inlet, the side of overflow port is equipped with the flow -guiding spare, and the flow -guiding spare sets up around the overflow port, and the flow -guiding spare is used for guiding the wind and / or guiding the oil. The utility model discloses a range hood solves the problem that the flow -guiding spare, suction panel and inner wind box three assembly difficulties are big and the assembly process is complicated in traditional range hood. Through the flow -guiding spare is directly set up in the side of overflow port, and makes it set up around the overflow port, has realized the integration design of flow -guiding spare and inner wind box. This design has simplified the assembly process, has reduced the number of independent parts, and has reduced the assembly difficulty.
Owner:FOSHAN JINGWEI TECH CO LTD

Welding positioning tool for urea box support

According to the welding positioning tool for the urea box support, a pull lug positioning assembly used for positioning pull lugs on the two sides of the urea box support is arranged on the front end plate face of the upper end face of a base plate, and a side vertical plate rear positioning assembly used for positioning and fixing the rear ends of two side vertical plates in the urea box support is arranged on the rear end plate face of the upper end face of the base plate; a limiting support positioning assembly is arranged between the pull lug positioning assembly and the side vertical plate rear positioning assembly, the lower end of the limiting support positioning assembly is fixed to the base plate, and the limiting support positioning assembly is used for positioning and supporting a limiting support in the urea box support. A positioning plate set used for conducting adaptive positioning on two side vertical plates and a bottom plate in the urea box support is fixed to the upper end face of the base plate. The welding quality and the welding efficiency of the urea box support are improved, the problems that the welding difficulty of all parts of the urea box support is large and the welding efficiency is low are solved, the positioning precision is high, the supporting stability is good, it is guaranteed that the welding precision of the urea box support is improved, and batch welding machining of the urea box support is facilitated.
Owner:SHAANXI DELI TIANCHENG IND & TRADE CO LTD

Efficient multifunctional spraying maintenance trolley for tunnel secondary lining construction and maintenance method

The invention relates to an efficient multifunctional spraying maintenance trolley for tunnel secondary lining construction and a maintenance method, the efficient multifunctional spraying maintenance trolley comprises a supporting frame, the outline of the supporting frame is matched with the section shape of a tunnel, the supporting frame is provided with multiple layers of distributed operation platforms in the height direction, and the middle of the supporting frame is provided with a through channel for a construction vehicle to pass through; the spraying system comprises a water retaining structure arranged in the circumferential direction of the supporting frame, a plurality of spraying units arranged on the water retaining structure and a first water storage tank arranged on the supporting frame and used for supplying water to the spraying units; through the fluid recovery system integrating the first collection device and the second collection device, redundant spray water can be automatically collected, filtered and recycled. The problems that water resources are seriously wasted, the environment is wet and slippery due to water flowing and the cleaning difficulty is large are solved, and meanwhile the water using cost is reduced.
Owner:CHINA RAILWAY FIFTH GROUP SECOND ENGINEERING CO LTD

Game intelligent box data interaction circuit and corresponding intelligent communication box

The utility model provides a game intelligent box data interaction circuit and a corresponding intelligent communication box, a communication chip module is connected with a chip module, and the communication chip module can carry out wireless communication with a server. One end of the first interface module is connected with the coin collector or the card reader, and the other end of the first interface module is connected with the chip module. The first interface module collects a first coin collector signal or a first card reader signal, and the chip module generates data information of the coin collector based on the first coin collector signal. Or the chip module generates data information of the card reader based on the first card reader signal, and the first interface module, the chip module and the communication chip module establish a first data transmission channel. One end of the second interface module is connected with the chip module, the other end of the second interface module is connected with the game machine mainboard, and the first interface module, the chip module and the second interface module establish a first signal transmission channel.
Owner:GUANGZHOU WAHLAP TECH

Efficient recirculating aquaculture system and method constructed by using granular zoogloea

The invention discloses an efficient recirculating aquaculture system and method constructed by using granular zoogloea, and belongs to the technical field of freshwater aquaculture wastewater treatment. The high-efficiency circulating water culture system comprises aquaculture equipment, a circulating water tank and a circulating water tank, wherein the aquaculture equipment comprises a culture barrel; the nitrification and denitrification equipment comprises a reactor and an activated sludge unit, and the activated sludge unit is located in the reactor; the oxygen increasing equipment comprises an oxygen increasing machine; wherein the bottom of the aquaculture equipment is in pipeline communication with the bottom of the reactor through a water pump; the top of the aquaculture equipment is communicated with the reactor through a pipeline provided with an electromagnetic valve; then, the system is utilized, and water feeding, aerobic aeration, standing, anaerobic reaction and drainage are used as a complete operation cycle for recirculating aquaculture. By means of the circulating water culture system and method, the concentration of ammonia nitrogen, nitrite and nitrate difficult to remove in the aquaculture circulating water system can be effectively reduced.
Owner:PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI

Welding positioning tool for supporting bracket assembly

According to the welding positioning tool for the supporting bracket assembly, a vertical plate which is flush with the right edge of a bottom plate and used for positioning a lower supporting plate in the supporting bracket assembly is fixed to the upper end face of the bottom plate, and supporting frames with the lower ends fixedly connected with the bottom plate are arranged on the left edge of the upper end face of the bottom plate and the left side of the vertical plate; the left end and the right end of a platform plate used for positioning a transition plate in the supporting bracket assembly are fixed to the supporting frames at the corresponding ends, the right end of the platform plate is matched with the upper ends of the supporting frames, the right edge of the platform plate is flush with the right side wall of the vertical plate, the lower end of a bent pipe makes contact with the upper plate face of a bent plate at the lower end of the lower supporting plate for positioning, and the vertical section of the bent pipe is matched with the lower supporting plate. And the horizontal section of the bent pipe is matched with the corresponding position of the transition plate. The support bracket assembly welding fixture solves the problems of high welding difficulty and low welding efficiency of parts of a support bracket assembly, is high in positioning precision and good in support stability, ensures the welding precision of the support bracket assembly, is convenient for batch welding of the support bracket assembly, and has higher use value.
Owner:SHAANXI DELI TIANCHENG IND & TRADE CO LTD

Multi-time deep drawing forming machining method for soft magnetic alloy micro-radius box-shaped part

According to the multi-time drawing forming machining method for the soft magnetic alloy small-radius box-shaped part, based on the structural characteristics of the part, a plurality of sets of drawing dies and a set of correction die are designed, and a plate-shaped blank is machined into the small-radius box-shaped part in a multi-time drawing and correction combined machining mode; the soft magnetic alloy micro-radius box-shaped part is convenient to machine and form, the problems that the soft magnetic alloy micro-radius box-shaped part is complex in machining procedure and large in machining difficulty are solved, the size and appearance quality of products are guaranteed, the qualified rate of the products is effectively increased, the machining cost is reduced, and conditions are provided for continuously optimizing the machining technology of similar parts.
Owner:SHAANXI BAOCHENG AVIATION INSTR