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57results about How to "Applicable use requirements" patented technology

Coder interface testing device based on Nios II processor

The invention discloses a coder interface testing device based on a Nios II processor. The device comprises an FPGA (Field Programmable Gate Array) chip, an incremental TTL (Transistor Transistor Logic) interface module, an incremental sine and cosine interface module, an absolute interface module, a display screen and a PS (Poly Styrene) / 2 interface device, wherein the incremental TTL interface module, an incremental sine and cosine interface module, an absolute interface module, a display screen and a PS / 2 (Purple Green) interface device are connected with the FPGA chip; the incremental TTL interface module is used for being connected with the coder of an incremental TTL interface type, the incremental sine and cosine interface module is used for being connected with the coder of an incremental sine and cosine interface type, the absolute interface module is used for being connected with an absolute coder so that a serial digital signal output by the absolute interface module is transformed between a differential signal and a single-end signal, and the FPGA chip comprises a Nios II processor embedded in a chip, and the Nios II processor is used for processing an input signal and realizing the testing of coder interfaces. The Nios II processor-based coder interface testing device can be used for solving the problems that the coder interfaces in the existing coder testing platform can not be mutually compatible and are inconveniently carried, and has the characteristics of low cost, strong function, small volume, compact structure and high integration.
Owner:SUZHOU TIANCHENMA INTELLIGENT EQUIP +1

Single-phase intelligent watt-hour meter with carrier meter reading module

The invention discloses a single-phase intelligent watt-hour meter with a carrier meter reading module to solve the problems that the conventional watt-hour meter cannot settle the bidirectional electric energy, cannot be read remotely and cannot monitor electric energy quality. The watt-hour meter comprises an electric energy signal sampling module, a single-phase three-wire metering unit, and a microcontroller, which are connected in turn; and the microcontroller calculates positive electric energy E1, negative electric energy E2 and net electric energy E. The watt-hour meter also comprises a liquid crystal display (LCD) module, a power module, a real time clock (RTC) and backup battery module, a pulse output module, a positive electric energy storage unit, a negative electric energy storage unit, a net electric energy storage unit and a carrier communication module, which are respectively connected with the microcontroller, wherein the carrier communication module is linked with a remote meter reading device through a carrier communication channel to remotely read the meter. The watt-hour meter has the following functions: the watt-hour meter can respectively accumulatively meter and store positive and negative time-sharing electric energy, has the real-time measuring function, load recording function, remote meter reading function and electric energy quality monitoring and analyzing function, and can provide a household intelligent interface.
Owner:SHANGHAI JINLING INTELLIGENT ELECTRIC METER +2

Single-phase intelligent electrical energy meter with wireless meter reading module

The invention discloses a single-phase intelligent electrical energy meter with a wireless meter reading module, which solves the problems that the conventional electrical energy meter cannot settle the electrical energy of bidirectional power supply, remotely read meter or monitor the quality of the electrical energy. The electrical energy meter comprises an electrical energy signal acquisition module, a single-phase three-wire metering unit and a microcontroller connected in turn, wherein the microcontroller calculates forward electrical energy E1, reverse electrical energy E2 and net electrical energy E; and the electrical energy meter also comprises a liquid crystal display (LCD) module, a power supply module, a real time clock (RTC) and backup battery module, a pulse output module, a forward electrical energy storage, a reverse electrical energy storage, a net electrical energy storage and a wireless communication module connected with the microcontroller respectively, wherein the wireless communication module is linked with a remote meter reading device through a wireless communication channel to realize remote meter reading. The electrical energy meter has the following functions of: respective accumulation and metering of forward and reverse time division electrical energy, real-time measurement, load recording, remote meter reading, monitoring and analysis of electrical energy quality, and supply of household intelligent interfaces.
Owner:SHANGHAI JINLING INTELLIGENT ELECTRIC METER +2

Double-layer pyramid type light vibration reduction metamaterial lattice structure

The invention relates to the technical field of engineering structure vibration reduction, in particular to a double-layer pyramid type light vibration reduction metamaterial lattice structure. The metamaterial lattice structure is composed of unit cells arranged in a two-dimensionally periodic manner, and the unit cells are generatively designed based on a double-layer pyramid type lattice structure. Each unit cell comprises an upper panel, a lower panel, eight double-layer pyramid type sandwich round bars arranged between upper panel and the lower panel, and a spherical resonance unit embedded in the intersection point of the eight double-layer pyramid type sandwich round bars, wherein the upper panel, the lower panel, the double-layer pyramid type sandwich round bars and the spherical resonance unit are all made of a glass fiber reinforced (GFR) nylon material. By embedding the periodically arranged round resonance units into the double-layer pyramid type light vibration reduction metamaterial lattice structure to generate a broadband gap, the purpose of vibration reduction is achieved; and the structure has the advantages of integrating light weight and vibration reduction functions, having a wide vibration reduction frequency range, being easy to manufacture, having good bearing capacity, avoiding changing of the external geometrical characteristics of the structure and the like.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Scindapsus aureus cultivation pot with auxiliary structure

The invention discloses a scindapsus aureus cultivation pot with an auxiliary structure. The scindapsus aureus cultivation pot with the auxiliary structure comprises an inner cultivation pot and an outer cultivation pot. The inner cultivation pot is located in the outer cultivation pot. The upper sides of the left and right ends of the inner cultivation pot are fixedly connected to one side of a connecting sideboard. The middle of the upper end of the sideboard is provided with a bulge. The mutual adjacent ends of the bulge and the sideboard are provided with openings, and an active cavity isformed between two openings. Two sides of the upper end of the outer cultivation pot are fixedly connected to the lower end of an inserting block. The upper end of the inserting block passes through an inserting hole of the lower end of the outer cultivation pot, and the upper end of the inserting block is extended into the active cavity. The middle of the top of the active cavity is fixedly connected to one end of a support rod. One side of the other end of the support rod is fixedly connected to one end of a first rotation shaft, and the other end of the first rotation shaft successively passes through the centers of a first connecting rod and a second connecting rod. The installed first connecting rod and second connecting rod are used for limiting the position of the inserting block. Water in the outer cultivation pot is conveniently replaced, and the growth quality of the scindapsus aureus is improved in the great degree.
Owner:王春丽

Low-frequency vibration reduction light metamaterial lattice structure and manufacturing method thereof

The invention relates to the technical field of engineering structure vibration reduction, in particular to a low-frequency vibration reduction light metamaterial lattice structure and a manufacturingmethod thereof. The metamaterial lattice structure is composed of two-dimensional periodically-arranged unit cells, and each unit cell comprises a base structure and a cuboid resonance unit embeddedinto the base structure, wherein the base body structure comprises an upper panel, a lower panel and an internal pyramid-shaped sandwich structure, the cuboid resonance units are located in the internal pyramid-shaped sandwich structure, each unit is composed of an upper part and a lower part, the upper part is made of a hard metal material, and the lower part is made of a glass fiber reinforced (GFR) nylon material. According to the invention, a broadband gap in a low-frequency range is generated by designing periodically arranged resonance unit structures, so that the purpose of efficient vibration reduction is achieved. The vibration damper has the characteristics that the bearing and vibration damping functions are integrated, the vibration damping frequency range is wide, the externalgeometrical characteristics of the structure are not changed, and the structure vibration can be effectively suppressed in a low-frequency range.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Fabricated steel structure residence system and construction method thereof

PendingCN110439103AApplicable use requirementsStable horizontal lateral resistanceStrutsWallsResidenceVertical load
The invention discloses a fabricated steel structure residence system and a construction method thereof. The fabricated steel structure residence system includes a vertical unit, horizontal beams anda fabricated wall panel; the vertical unit includes a concrete-filled steel tube single column, a corrugated plate shear wall unit and a short-limb special-shaped corrugated plate shear wall unit; thecorrugated plate shear wall unit and the short-limb special-shaped corrugated plate shear wall unit include concrete-filled steel tube stand columns, connecting beams and transverse rib corrugated plates, and restraint frames of corrugated plates are formed by the concrete-filled steel tube columns in the units and the connecting beams at the floor heights; the horizontal beams are connected withvertical members to form an overall structure; and the fabricated wall panel is fixed between the upper layer horizontal beams and the lower horizontal beams by adopting bolts. According to the fabricated steel structure residence system, the small size concrete-filled steel tube columns are adopted as vertical load bearing members, the members are filled with concrete in a factory, and the corrugated plate shear walls provide structural lateral resistance; the fabricated steel structure residence system and the construction method have the beneficial effects that full prefabrication of mainstructural members can be realized, and site construction processes are reduced; the corrugated plate wall can reduce the use amount of steel and ensures lateral resistance; and the vertical members can be hidden in a wall body, and the residence building use demands are met.
Owner:CENT SOUTH UNIV

Single-phase smart electric meter with wireless meter reading function

The invention relates to the technical field of the smart electric meter, to a single-phase smart electric meter with a wireless meter reading function. The single-phase smart electric meter comprises an electric power signal sampling module, a single-phase three-wire metering unit, and a micro controller, wherein the electric power signal sampling module, the single-phase three-wire metering unit, and the micro controller are successively connected; and the micro controller calculates the positive electric energy E1, reverse electric energy E2, and net electric energy E. In addition, the single-phase smart electric meter also includes an LCD display module, a power module, an RTC and backup battery module, a pulse output module, a positive electric energy storage unit, a reverse electric energy storage unit, a net electric energy storage and a wireless communication module, wherein the LCD display module, the power module, the RTC and backup battery module, the pulse output module, the positive electric energy storage unit, the reverse electric energy storage unit, the net electric energy storage and the wireless communication module are connected with the micro controller. The wireless communication module is linked to a remote meter reading device by a wireless communication channel, thereby realizing remote meter reading. According to the invention, respective accumulation, metering, and storage of the positive and reverse time-sharing electric energy as well as functions of real-time measurement, load recording, and remote meter reading and the like can be realized. And problems that the existing electric meter can not carry out bidirectional power supply energy settlement, remote meter reading, and electric energy quality monitoring can be solved.
Owner:河南单点留学中介服务有限公司

Automatic gas stove oil fume adsorption method

The present invention discloses an automatic gas stove oil fume adsorption method. The gas stove comprises a stove body panel and a burner, wherein the middle portion of the stove body panel is provided with a chamber recessing downward and presenting a conical shape, the stove body panel is provided with a U-shaped groove, the chamber is communicated to the outside through the U-shaped groove, the bottom portion of the chamber is provided with the burner, a plurality of oil fume adsorption holes and a fan are arranged, the oil fume adsorption holes are distributed on the inner wall of the chamber in an annular array manner, and the fan is arranged inside the stove body panel. According to the present invention, the chamber recessing downward and presenting the conical shape is arranged on the stove body panel, and is communicated to the outside through the U-shaped groove, the bottom portion of the chamber is provided with the burning system, and the plurality of the oil fume adsorption holes are arranged on the upper edge of the inner wall of the chamber; during the use, the pot is placed on the bottom portion of the chamber, the pot handle can be placed inside the U-shaped groove, the burning system starts strike fire under the adjustment of the switch, and the fan starts the adsorption of the generated oil fume through the plurality of the oil fume adsorption holes; and the arrangement of the separate oil fume exhaust ventilator on the gas stove is eliminated, such that the occupation space is reduced, and the cost is reduced.
Owner:王丰利

Military truck portable elevator and method for material loading and unloading through military truck portable elevator

A military truck portable elevator comprises a door frame and a tail plate and further comprises a truck butt joint frame used for being fixed to the tail of a military truck. The door frame comprisesa beam and two door columns, the rear portion of the beam is detachably connected with the truck butt joint frame, and the two door columns are arranged at the left end and the right end of the beamcorrespondingly. Lower landing legs capable of stretching and contracting up and down are arranged at the lower portions of the door columns, the lower portions of the lower landing legs are detachably connected with wheel frames, and wheels are arranged at the bottoms of the wheel frames. The door frame can be rapidly connected with the military truck or separated from the military truck throughthe truck butt joint frame, the lifting tail plate on the door frame can be used for conducting material loading and unloading for the military truck, welding of the tail plate to the military truck is not needed, and the usage requirement of the military truck is met. The door frame can move, transferring is convenient, and one door frame can be matched with multiple military trucks to be used. After being folded and contracted, the military truck portable elevator is fixed to the rear portion of the military truck, and transportation is conducted along with the military truck.
Owner:LONGHE INTELLIGENT EQUIP MFG CO LTD

Pneumatic valve body

The invention discloses a pneumatic valve body. The pneumatic valve body comprises a shell, at least two cavities communicated with each other are arranged in the shell, communicating pipes used for being inserted into an external air path are arranged on the cavities in a communicating mode, air outlet holes distributed in an array mode are formed in the shell, a circuit piece is arranged in the shell, at least two coil assemblies are arranged on the circuit piece, a valve moving assembly is arranged on each coil assembly, a magnetism isolating film is arranged between each coil assembly and the corresponding valve moving assembly, each valve moving assembly is attracted and separated through power-on and power-off of the corresponding coil assembly, air discharging of the air outlet holes is controlled, the cavities correspond to the coil assemblies in a one-to-one mode, and more air outlet holes are formed in a valve body base per unit length. According to the valve body, the at least two coil assemblies and corresponding air holes are arranged in the shell, the installation space of the pneumatic valve body is reduced, more air outlet holes can be formed in the base of unit length, the installation number of the pneumatic valve body is reduced, and the installation efficiency is improved.
Owner:ANHUI VISION OPTOELECTRONICS TECH

Preparation method of nitrogen trifluoride and nitrogen trifluoride mixed gas

The invention discloses a preparation method of nitrogen trifluoride and nitrogen trifluoride mixed gas. The method disclosed by the invention comprises the following steps: carrying out reaction on ammonia gas and fluorine-containing mixed gas in a fluorination reactor to generate a mixture containing hydrogen fluoride, nitrogen trifluoride and inert gas; the fluorine-containing mixed gas is mixed gas of fluorine gas and inert gas, the inert gas is one or a mixture of more than two of nitrogen gas, helium gas and neon gas, and the mass percentage of the ammonia gas in the mixed gas of the ammonia gas and the fluorine-containing mixed gas is 0-5.2% or 50.2-100%; and condensing and separating the mixture to obtain nitrogen trifluoride. And further mixing the prepared nitrogen trifluoride with fluorine gas to prepare nitrogen trifluoride mixed gas. According to the method, the F element content of the mixed gas can be greatly increased, the F / N atomic ratio of the mixed gas can be flexibly regulated and controlled to be 3.2-5.0, the reaction conversion efficiency is high, complete conversion of ammonia gas can be achieved, meanwhile, few by-products are generated, the generated by-product HF can be returned to the procedure of preparing fluorine through electrolysis, and ordered circulation of materials is achieved.
Owner:XIAN MODERN CHEM RES INST

An automatic water supply system for water purifier testing

The invention discloses an automatic water supply system for testing water purifiers, which mainly includes a pure water source, a steam generator, a liquid storage tank, a refrigeration unit, a water supply tank and a water supply pipeline; the pure water source is connected through a solenoid valve and a flow meter to the water supply tank; the steam generator is connected to the liquid storage tank and the water supply tank through a solenoid valve; the liquid storage tank is connected to the water supply tank through a liquid distribution pump, a solenoid valve, and a flow meter; one side of the water supply tank is connected to the water supply tank through a solenoid valve A refrigeration unit is connected; the water outlet at the bottom of the water supply tank is connected to the water supply pipeline through a water supply pump, a pressure sensor and a temperature sensor in sequence. The invention has the characteristics of regular flushing, steam disinfection, automatic liquid dispensing and closed-loop control, and is suitable for various test items of water purifiers, which can effectively ensure the scientificity of test data, reduce the test cost of water purifiers, and improve the detection of testing personnel efficiency.
Owner:CHINA HOUSEHOLD ELECTRIC APPLIANCE RES INST

A waveguide filter

The invention discloses a waveguide filter, comprising: a first shielding layer with a first through hole; an intermediate support layer with a frame structure arranged on the first shielding layer; a second shielding layer with a There is a second through hole, which is arranged on the intermediate support layer, and forms a waveguide cavity together with the first shielding layer and the intermediate support layer. The left end of the second shielding layer is provided with a signal input port, and the right end of the second shielding layer is provided with a signal input port. Output port; first signal transmission structure, the first end of the first signal transmission structure is set in the signal input port, the second end of the first signal transmission structure extends through the intermediate support layer to the first shielding layer, and is connected with the first The shielding layer is connected; the second signal transmission structure, the first end of the second signal transmission structure is set in the signal output port, the second end of the second signal transmission structure extends through the intermediate support layer to the first shielding layer, and is connected to the first shielding layer A shielding layer is connected. The present invention can be applicable to the use requirement of the terahertz frequency band.
Owner:THE 13TH RES INST OF CHINA ELECTRONICS TECH GRP CORP

On-line monitoring method and system for falling off of leaky cable spreader

The invention discloses an online monitoring method and system for falling off of a leaky coaxial cable hoisting tool. The monitoring method comprises the steps of numbering and storing information, implanting an RFID label on the hoisting tool, transmitting an RFID recognizing signal by an RFID reader-writer through a leaky coaxial cable, receiving the RFID recognizing signal through the RFID label and sending an RFID feedback signal, and screening the fallen-off hoisting tool through the RFID reader-writer based on the received RFID feedback signal. The monitoring system comprises the leaky coaxial cable hoisting cable for implanting the RFID label, monitoring units, field management units, a network management module and a communication chain, wherein the network management module is correspondingly connected to a plurality of field management units; and each field management unit is correspondingly connected to a plurality of monitoring units in the corresponding areas to be monitored. With the adoption of the method and system, the falling off position of the leaky coaxial cable hoisting tool within certain area can be accurately positioned; the monitoring accuracy is high; the monitoring range is wide; and moreover, the method and the system are applicable to monitoring of the leaky coaxial cable hoisting tool with high length under various situations.
Owner:TONGHAO CABLE GRP CO LTD
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