Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

65results about How to "Adequate isolation" patented technology

Oxygen sensor

The invention provides an oxygen sensor. The oxygen sensor comprises a sensing element, a sensor base and a shell, wherein one end of the shell is connected with the sensor base, and the other end of the shell is connected with a sealing terminal; a ceramic body is arranged at the other end of the shell; the sensing element is positioned in a cavity body formed by the sensor base and the shell; the opening end of the sensing element is pressed against the ceramic body, and the other end of the sensing element is closed; metal platinum serving as electrodes is coated on the inner surface and the outer surface of the sensing element, and the electrodes are contacted with a signal terminal respectively; a protection cover is arranged outside the closed end of the sensing element; an air vent is formed in the protection cover; a protection cover is arranged outside the shell; a waterproof ventilating film is arranged between the protection cover of the shell and the shell; and a soapstone block and a gasket are arranged among the second corner of the sensing element, the sensor base and the shell. The oxygen sensor has a novel structure and good sealing, water prevention and heat dissipation effects, is easy in installation, simple in structure and manufacturing process and low in cost, and can prolong the service life greatly.
Owner:SHANGHAI SAISAI AUTO TECH SERVICE

Remained small coal pillar comprehensive mechanized coal mining supporting structure and construction method

The invention discloses a remained small coal pillar comprehensive mechanized coal mining supporting structure and a construction method. The remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method comprises a narrow coal pillar arranged between a current stope working face and an adjacent stope working face, one side of the narrow coal pillar is provided with a filling body, and the adjacent stope working face is also provided with a roof presplitting cutting line; the construction method of the remained small coal pillar comprehensivemechanized coal mining comprises the following steps that before the coal mining, an air return way, a haulage gate, and an auxiliary haulage gate are constructed; the roof presplitting cutting line of the current stope working face is constructed in the auxiliary haulage gate; then the filling body is constructed synchronously with a head coal mining. The remained small coal pillar comprehensivemechanized coal mining supporting structure and the construction method solves the problems of gangue darting into a lane in a worked out section, roof bolting accident of the auxiliary transport chute, and the leakage of the narrow coal pillar in the current stope working face; and the mining influence to the auxiliary transport chute caused by the stope working face is weakened, cost of maintenance of the lane is reduced, and recovery coefficient of coal resource is enhanced; and the remained small coal pillar comprehensive mechanized coal mining supporting structure and the construction method can be applied to most geological mining conditions and has a great significance to promote and achieve safe and efficient mining of coal mine.
Owner:SHAANXI COAL & CHEM TECH INST

Cross-well electromagnetism logging instrument emitter and emitting antenna thereof

The invention provides a cross-well electromagnetism logging instrument emitter which is strong in stability, high in emitting efficiency and strong in quality factor of an emitting antenna and the emitting antenna thereof. The emitting antenna comprises an antenna assembly arranged in a fiberglass shell of the emitter, and the antenna assembly comprises a magnetic core, a mandrel arranged inside the magnetic core in a penetrated mode, an antenna framework which covers outside the magnetic core and an emitting coil and an alignment coil which are winded on the antenna framework in a sectional mode; the magnetic core is fastened in the antenna framework through a magnetic core upper fixing sleeve and a magnetic core lower fixing sleeve which are arranged at the two ends of the magnetic core; the emitting coil and the alignment coil are both winded on the antenna framework through multiple strands of silvering paint lapping monolayers in a symmetric mode. The emitter comprises the fiberglass shell, the emitting antenna of any scheme which is arranged inside the fiberglass shell and an upper sealing body and a lower sealing body which are arranged at the two ends of the fiberglass shell; a pretension device is arranged between the lower sealing body and the emitting antenna, and a balance system is arranged at the free end of the lower sealing body.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Communication systems

A transmission method for use in a two-hop wireless communication system, the system comprising a source apparatus, a destination apparatus and an intermediate apparatus, said source apparatus being operable to transmit information along two links forming a communication path extending from the source apparatus to the destination apparatus via the intermediate apparatus, and the intermediate apparatus being operable to receive information from the source apparatus and to transmit the received information to the destination apparatus, the system having access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said format defining a plurality of transmission windows within such an interval, each window occupying a different part of that interval and having a frequency bandwidth profile within said available transmission frequency bandwidth over its part of that interval, each said window being assignable for such a transmission interval to said source or intermediate apparatus for use in transmission, the method comprising: employing said format to transmit information along the path as two successive transmission signals, link by link, said signals being transmitted using different transmission windows of a particular such transmission interval.
Owner:FUJITSU LTD

Shear type fireproof door lifting mechanism

The invention discloses a shear type fireproof door lifting mechanism. The shear type fireproof door lifting mechanism comprises two inorganic cloth folding cabins, a double-row track and a shear typelifting mechanism, inorganic fireproof cloth is mounted in the inorganic cloth folding cabins, and sliding strips matched with the double-row track are separately mounted on two sides of the inorganic cloth. The shear type lifting mechanism comprises a shear type lifting frame, sliding blocks matched with the double-row track are fixedly mounted at two ends of a lifting plate, the water outlet end of a water tank communicates with a spraying rod through a pipeline, a plurality of spraying heads are fixedly mounted on the spraying rod, and the spraying rod is mounted on the inner side of the inorganic fireproof cloth. According to the shear type fireproof door lifting mechanism, a screw rod motor is mounted on the lifting plate, the difficulty in maintenance is reduced, the lifting mechanism provides a supporting framework for the inorganic fireproof cloth, spray water is sprayed to a middle area of the two inorganic fireproof cloth, the fireproof cloth is cooled sufficiently, invalidation caused by being damaged under the high temperature is prevented, and sufficient isolation of a fire area is guaranteed.
Owner:BENGBU COLLEGE

Kitchen oily water collecting device

The invention discloses a kitchen oily water collecting device and relates to the field of kitchen garbage handling. The kitchen oily water collecting device is used for solving the problem of how to collect kitchen oily water and comprises a first box body, a second box body, a third box body and a fourth box body which are arranged side by side and sequentially communicated with one another, wherein each box body is provided with a storage tank, adjacent box bodies are connected through fully-automatic oil-water separation connectors, and the fully-automatic oil-water separation connectors are arranged at different altitudes from the first box body to the fourth box body. According to the device, oil-water separation is conducted for four times through the four box bodies arranged side by side and sequentially communicated with each other, oil and water in the kitchen oily water can be separated, the oil recovering rate is high, environment pollution is avoided, and no energy is consumed; due to the fact that the fully-automatic oil-water separation connectors are arranged at different altitudes from the first box body to the fourth box body, grease and scum can be separated from sediment more fully with the grease and scum on the upper layer and the sediment on the bottom of the box, and sufficient process and time are guaranteed for particle sedimentation.
Owner:GANSU RUIXIANG ENVIRONMENTAL ENERGY

Wall-mounted fresh air conditioner all-in-one machine with dust magnetization protection function

The invention discloses a wall-mounted fresh air conditioner all-in-one machine with a dust magnetization protection function. The wall-mounted fresh air conditioner all-in-one machine structurally comprises a fresh air ventilator, a condensing unit, an electric control cover plate, a condensing water drain pipe, a distribution filter cover plate, a fresh air opening, a fresh air electrically operated valve, a return air inlet and an air supply outlet. The wall-mounted fresh air conditioner all-in-one machine has the beneficial effects that a dust magnetization structure is arranged, a sectorplate is in an electromagnetic state, and dust particles are likely to be adsorbed on an electron, so that dust which is about to enter in a room through the fresh air opening is adsorbed in a concentrated manner, dust isolation is realized, purified air in the room is prevented from being polluted to cause human respiratory infection, hydrogel paste is used to adsorb dust covering the surface ofthe sector plate to enable the section plate to be sufficiently isolated from dust, and meanwhile, sticking and scraping strips are made of a mosquito repellent silica gel material, and mosquitoes near a fresh air channel are repelled to avoid the condition that the mosquitoes enter the device along with fresh air, so that stink exists in fresh air flow, and damages purified fresh air.
Owner:广西自贸区见炬科技有限公司 +1

Optical measuring system used for measuring field intensity of direct-current electric field

The invention relates to an optical measuring system used for measuring field intensity of a direct-current electric field and belongs to the technical field of direct-current electric field measuring. In the optical measuring system, an output end of a laser source is connected with an input end of an integrated electric field sensor based on common path interference through an input polarization maintaining optical fiber, and optical signals modulated through the electric field are photoelectrically converted by an optical fiber transmission-in detector; an air source after entering an electromagnetic reversing valve gates airflow of two air ways and is input into a rotating device to drive a drum to rotate bidirectionally; a driving circuit drives an electromagnetic valve to realize current conversion. The rotating device at the front end is made by a nonmetal material, so that distortion to a to-be-measured field is reduced; all devices in the optical measuring system are connected flexibly, so that flexibility in measuring mode is improved; a control circuit, the driving circuit and the optical measuring system are isolated fully, so that the optical measuring system is less prone to electromagnetic interference, and accuracy and reliability of measuring results are improved. By the optical measuring system, direct-current electric field distribution on the surface of an object can be measured nearly, so that range of electric fields which can be measured is expanded.
Owner:TSINGHUA UNIV

Multifunctional cool storage air conditioner

The invention discloses a multifunctional cool storage air conditioner. The multifunctional cool storage air conditioner comprises a compressed air generator, a cool generator, a cool storage device and a cool discharging device, wherein the compressed air generator communicates with the cool storage device through a compressed air guide pipe; the cool storage device communicates with the cool discharging device; a cool generating part of the cool generator sleeves the outer side of the compressed air guide pipe; a first heat recycling device sleeves the outer side of a heat dissipating part; a second heat recycling device sleeves the outer side of the compressed air guide pipe between the cool generator and the compressed air generator. Through the multifunctional cool storage air conditioner, the heat of the high-temperature compressed air generated by the compressed air generator is absorbed by the second heat recycling device and the cool generator in sequence when the power consumption reaches low peak so as to generate low-temperature compressed air; the low-temperature compressed air is introduced into the cool storage device for later use and can be used when the power consumption reaches high peak; the absorbed heat can also be recycled and reused by the first heat recycling device and the second heat recycling device; the effect of cooling the compressed air is obviously improved; and the waste of energy is greatly reduced.
Owner:江苏亚龙特种钢丝有限公司

Novel n-stage inductance energy storage type large current source circuit topological structure

The invention belongs to the technical field of electromagnetic emission, and provides a novel n-stage inductance energy storage type large current source circuit topological structure which comprisesa primary power supply, an n-stage inductance series charging and parallel discharging basic loop topological structure and an electromagnetic rail gun load structure. According to the novel inductance energy storage type large current source circuit structure provided by the invention, the thyristor is adopted as a switching device in a switching part, and reverse voltage is applied to the switching device through the reverse diode connected with the switching device in parallel, so that reliable turn-off of the thyristor can be realized, and the controllable performance of a system is effectively improved. An optimized backward diode is added to a control part in the topological structure of the circuit to fully isolate a charging loop, so that the linear rise of inductive current and the stability of capacitor voltage in the charging process are ensured. Ripples of the capacitor and the inductor are avoided, and the charging efficiency of the power supply is improved. Besides, then-stage inductance energy storage type large current source circuit topological structure provided by the circuit is relatively simple in structure and has relatively good expansion performance.
Owner:DALIAN UNIV OF TECH

A millimeter wave single-channel control tr component

The invention discloses a millimeter-wave single-channel control TR component, which includes a component body. The upper side of the component body includes multiple groups of VM chips, TR chips and transmission line structures electrically connected to each other. A sub-board and a radio frequency power supply board are arranged on the lower side. A connector is arranged on the board, a DAC chip is arranged on the radio frequency power supply board, and the daughter board is electrically connected to the radio frequency power supply board; the upper side is opposite to the lower side. Corresponding to each group of radio frequency structures, a set of insulators are provided from the upper side of the component body to the lower side. The radio frequency power supply board is electrically connected to one end of each insulator, and the other end of each insulator is respectively connected to the VM chip and the corresponding radio frequency structure. The TR chip is electrically connected. The channel isolation, transceiver isolation, power supply and control signal and radio frequency signal isolation of TR components in this design can improve the control accuracy and operational reliability of TR components, save design space and production costs, and have good electromagnetic compatibility.
Owner:CHENGDU THUNDER MICROCRYSTALLINE TECH CO LTD

Millimeter wave single-channel control TR assembly

The millimeter wave single-channel control TR assembly comprises an assembly body, the upper side of the assembly body comprises a plurality of groups of VM chips, TR chips and transmission line structures which are electrically connected with one another, the lower side of the assembly body is provided with a daughter board and a radio frequency power supply board, the daughter board is provided with a connector, the radio frequency power supply board is provided with a DAC chip, and the daughter board is electrically connected with the radio frequency power supply board; the upper side and the lower side are opposite. Corresponding to each group of radio frequency structures, a group of insulators are arranged from the upper side to the lower side of the assembly body in a penetrating manner, the radio frequency power supply board is electrically connected with one end of each insulator, and the other end of each insulator is electrically connected with the VM chip and the TR chip of the corresponding radio frequency structure. According to the TR assembly, isolation between channels, transceiving isolation and isolation between power supply and control signals and radio-frequency signals are achieved, the control precision and the operational reliability of the TR assembly can be improved, the design space and the manufacturing cost are saved, and the electromagnetic compatibility is good.
Owner:CHENGDU THUNDER MICROCRYSTALLINE TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products