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85results about How to "Fully furnished" patented technology

Device for continuously adsorbing and desorbing organic waste gas by using active carbon

The invention relates to the technical field of industrial waste gas treatment and particularly relates to a treatment technology for continuously adsorbing an organic solvent in the industrial waste gas and continuously desorbing the solvent. The invention provides a device for continuously adsorbing and desorbing organic waste gas by using active carbon. The device comprises an adsorbing tower (3), a desorbing tower (6), an active carbon fluidization system, and an organic solvent recycling system. The organic waste gas, including methylene dichloride, methylbenzene, dimethylbenzene, benzene and the like, is continuously adsorbed by using the active carbon. The device has the outstanding characteristics that the adsorbing process and the desorbing process can be continuously and synchronously carried out. The organic waste gas and the active carbon are in inverse contact; the gas distribution is uniform; and the particle mobility is good. The active carbon is circularly used in a dense phase pneumatic transmission manner. The device provided by the invention has a simple and stable technique; and the labor intensity of staff and the environment pollution caused by the powder active carbon can be greatly reduced.
Owner:甘肃银光聚银化工有限公司 +1

Deepwater semi-submerged drilling platform

ActiveCN101954959ASmall footprintConvenient pre-connection workFloating buildingsEngineeringDrilling riser
The invention relates to a deepwater semi-submerged drilling platform, which comprises floating tanks, an upright post, a transverse supporting rod and a main deck, wherein a drilling block is arranged above a moon pool in the middle of the main deck; and a derrick is arranged on the drilling block. The deepwater semi-submerged drilling platform is characterized in that: a half derrick space for pre-connecting a drilling tool is reserved on one side of the derrick; a water isolating pipe, a drilling stem, a blowout preventer and a production tree are arranged on the main deck around the moon pool respectively; and an anchor moored positioning and dynamic positioning combined position system which consists of front and back four groups of anchor gears distributed on the left and right sides of the main deck is adopted, each group of anchor gears are provided with 3 anchor chains, a dynamic positioning system consists of 8 dynamic thrusters capable of rotating 360 degrees at the front and back four corners of the bottom of the two floating tanks. In the deepwater semi-submerged drilling platform, the maximum operation water depth is up to 3,000 meters, the maximum drilling depth is up to 12,000 meters, and the maximum variable load is up to 9,000 tons. The deepwater semi-submerged drilling platform can operate in the South China Sea, Southeast Asian sea area and West Africa sea area with severe sea conditions efficiently and safely.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Coal seam mining induced stress field-seepage field-temperature field coupling testing system and method thereof

InactiveCN106840727ASolve the problem of only setting common single coal rock objectsAdaptableStructural/machines measurementThermal insulationEngineering
The invention discloses a coal seam mining induced stress field-seepage field-temperature field coupling testing system and a method thereof. A fixed top plate is arranged above a bracket. The fixed top plate is provided with a fixing flange. The fixing plate is provided with a vertically arranged oil pressure loading device. The bracket is internally provided with a thermal insulation box. The upper part of the thermal insulation box is provided with a phreatic aquifer water box, and the lower part is provided with an artesian aquifer water box. The phreatic aquifer water box and the artesian aquifer water box are arranged in a facing manner. A coal rock testing object is configured in the thermal insulation box between the phreatic aquifer water box and the artesian aquifer water box. A simulated drilling mechanism can side on a longitudinal side rail. The drill bit of the simulated drilling mechanism is aligned to the coal rock testing object in the thermal insulation box. The coal seam mining induced stress field-seepage field-temperature field coupling testing system and the method thereof settles no coal mining device in a traditional testing device, and problems in manual coal mining. Furthermore the coal seam mining induced stress field-seepage field-temperature field coupling testing system and the method thereof settles problems of unreasonable sensor configuration, individual data gathering and incapability of realizing effective coupling analysis in a traditional testing device.
Owner:SHANDONG UNIV OF SCI & TECH

Method for improving rolling stability of container thin material

The invention relates to a method for improving the rolling stability of a container thin material. By reasonably configuring a rolling plan, optimizing process technical parameters, improving a process schedule, taking temperature control as a principle line and adopting a series of effective technical measures such as strictly controlling a heating mechanism, a rough rolling production process, a finish rolling production process and the like, the rolling stability of the container thin material is improved; head folding, whipping and strip blocking accidents of stripped steel are reduced; punch mark and scratch phenomena of a roller, stripped steel deviation and loop fluctuation in a rolling process are avoided; and the strip shape and the surface quality of the container thin material are improved so that the rolling success ratio is up to 99 percent. Simultaneously, accident processing workload is reduced, rolling mill operating rate and product yield are improved, contract implementation rate is ensured and enterprise goodwill and economic benefit are improved.
Owner:ANGANG STEEL CO LTD

Watertight door device

The invention relates to a watertight door device which is characterized by comprising a door frame, a door plate, a hydraulic power system and a control system. The door frame is connected with the door plate by a hinge, linkage of a closed / open hydro-cylinder and a locked / loosened hydro-cylinder is employed to automatically perform the motions of closing-locking and delocking-opening; the control system is composed of a plurality of regional control cabinets and a centralized-control box, and can carry out centralized monitoring on the state of the watertight door device and remotely or locally control opening and closing. Compared with the traditional manual type watertight door, the watertight door device provided by the invention not only reduces heavy physical strength dissipation, but also is stable and simple in operation and high in safety and reliability. Meanwhile, compared with the traditional hydraulic sliding type watertight door, the watertight door device is compact instructure, light in weight and small in occupied space.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Environment control system and circuit specially used for poultry cultivation

The invention discloses an environment control system specially used for poultry cultivation. The system mainly includes a forage management module, an illumination management module, a padding module, a temperature management module, a humidity management module and a draught-fan management module. The environment control system uses a PLC as a control core of the system to control corresponding hardware devices. The advantages of the PLC control are stable performance, complete supporting, perfect function, high applicability, easy operation and safety. A winch is used to spray padding so as to control humidity of the padding of a pheasantry and thus environment parameters such as humidity and temperature and the like are controlled and at the same time, manpower is also saved. Moreover, the environment control system is convenient to operate and great in application values.
Owner:凤阳县经济发展投资有限公司

Temperature difference power generation device and vehicle-mounted tail gas waste heat temperature difference power generation system

The invention discloses a temperature difference power generation device which comprises a tail gas tank, a cooling water tank assembly, a temperature difference power generation module assembly and a clamping plate. The two ends of the tail gas tank are provided with an intake manifold and an exhaust manifold respectively, and the tail gas tank comprises a gas tank body, a shunt fin, a flow guide fin and an afflux fin; the two ends of the cooling water tank assembly are provided with a water inlet manifold and a water outlet manifold respectively, the cooling water tank assembly comprises multiple cooling water tanks, and each cooling water tank comprises a water tank body and a flow guide plate; the hot end of the temperature difference power generation module assembly is attached to the two sides of the tail gas tank, the cold end of the temperature difference power generation module assembly is attached to one side of the cooling water tank assembly, and the temperature difference power generation module assembly comprises multiple temperature difference power generation modules; the clamping plate is arranged outside the cooling water tank assembly, and the two ends of the clamping plate are locked through bolts. The structure of the temperature difference power generation device is optimized and improved, power generation efficiency is improved, and the aim of improving the energy utilization rate is achieved.
Owner:WUHAN UNIV OF TECH

Wheel hub motor

The invention relates to the technical field of automobiles, and especially relates to a wheel hub motor. The wheel hub motor comprises a motor main body, a motor controller and a decelerator, the motor controller and the decelerator are both arranged inside the motor main body, the motor main body comprises a motor shaft, the motor controller is disposed at the input side of the motor shaft and is connected with the input end of the motor shaft, the decelerator is disposed at the output side of the motor shaft, the input end of the decelerator is connected with the output end of the motor shaft, and the output end of the decelerator is connected with the shaft end of a wheel hub. According to the invention, the motor controller and the decelerator are respectively integrated into the motor main body, the overall construction of a driving system is simplified, the transmission efficiency loss at each stage and waste of energy, caused by many connection relations and complex transmission structures are avoided, energy conservation is facilitated, the transmission efficiency is improved, the driving system is arranged to be simpler and more compact, the composition of a motor driving structure is complete, and driving of a left wheel and a right wheel of a vehicle body can be independently controlled.
Owner:JASMIN INT AUTO RES ANDDEV BEIJING CO LTD

Multifunctional vehicle maintenance space

The invention discloses a multifunctional vehicle maintenance space which comprises a frame body, an automobile lifting table, an automobile lifting driving system, an automobile maintenance device and an operating control console. The automobile lifting table is located in the frame body and can correspondingly bear and position tires on two sides of an automobile, the automobile lifting driving system drives the automobile lifting table to lift, the automobile maintenance device can maintain an automobile, and the operating control console can achieve service item selection and payment and controls the work of the automobile lifting driving system and the automobile maintenance device. The multifunctional vehicle maintenance space can achieve automobile cleaning and maintenance and simple part replacement performed by an automobile owner, the automobile owner selects a maintenance product according to an automobile model by himself / herself to achieve automobile cleaning and maintenance, simple part replacement and other operations, the multifunctional vehicle maintenance space is convenient to operate and complete in matching, the automobile owner does not need to go to a special store for automobile cleaning and maintenance, a large amount of time is saved, and meanwhile the automobile cleaning and maintenance costs are greatly reduced.
Owner:崔海华

Low-energy consumption animal crushing machine

The invention discloses a low-energy consumption animal crushing machine, which comprises a feeding hole, a frame, a hob shaft, a balance wheel, a left fixed knife, a right fixed knife, a screw conveyer, a power transmission device and a feeding mechanism, wherein the feeding mechanism consists of a speed-reducing motor, a coupler, a chain wheel, a chain, a chain transmission shaft, a hopper and a bracket; an inner raceway and a front raceway are formed on an upright post of the bracket; two sides of the hopper are provided with a front roller and a rear roller; a covering cap which is automatically opened and closed on the feeding hole is connected with the hopper through a connecting rod; the screw conveyer is adjacent to the hob shaft and is positioned below the hob shaft; and a rotating axis of the screw conveyer is parallel to an axis of the hob shaft. By the adoption of single-stage crushing of a single hob shaft, the service efficiency is low, and the power supply conditions of a farm can be met; and moreover, the equipment is fully equipped, the feeding and crushing of large animal carcass and crushed material output can be automatically finished.
Owner:大幸(保定)废弃资源利用股份有限公司

Intelligent method for moisture retention spraying curing of concrete through coupling of temperature, humidity and wind speed

ActiveCN107759247AMaintain humidityScientific realization of moisturizing and maintenanceWater-power plantsHydro energy generationCouplingStop time
The invention provides an intelligent method for moisture retention spraying curing of concrete through the coupling of temperature, humidity and wind speed to scientifically realize moisture retention curing of concrete. The intelligent method is characterized by comprising the following steps: 1, arranging a protective layer on the surface of concrete, and selecting and arranging a spraying device; 2, arranging an environment data real-time acquisition system to acquire air temperature, air humidity and wind speed in real time; 3, carrying out intelligent spraying curing: 3-1, determining aspraying time Tk; 3-2, calculating a spraying stop time Tb, receiving the air temperature, the air humidity and the wind speed acquired in the step 2 by a computer, and calculating the spraying stop time Tb based on the air temperature, the air humidity and the wind speed, wherein the minimum value of calculation results in a formula 1 and a formula 2 is selected as the spraying stop time Tb; 3-3,carrying out cyclic curing: adopting computer to control the spraying device to spray according to the spraying time Tk, and control the spraying device to stop spraying according to the spraying stop time Tb, wherein the cyclic curing is carried out continuously until a curing age is reached.
Owner:WUHAN UNIV

Combination type drying machines controller

The invention discloses a combined-type drier controller. The controller comprises electric elements such as a programmable controller, an analog signal conversion module, a minitype man-machine interface, a communication module, an AC contactor, a relay and so on. The combined-type drier controller adopts the programmable controller as a control master machine and uses the minitype man-machine interface to set operating parameters so as to monitor the operating state of a cold drier and a tepid adsorption drier; meanwhile, the controller has stable performance and wide application range, and can conveniently realize automatic control and dew point energy-saving control of a combined-type drier; moreover, the system has the functions of refrigerant high pressure, refrigerant low pressure, compressor overload, phase sequence protection, overtemperature alarm and low air pressure alarm stop; the controller can realize the functions of switching and starting up an A tower and a B tower through remote / local control; and the cold drier and the tepid adsorption drier are capable of independent starting up and operating and can conveniently realize host computer communication. The controller can improve the performance of the prior compressed air combined-type drier, and has the practical characteristics of obvious energy-saving effect, simple structure, low cost and the like.
Owner:广州市汉粤净化科技有限公司

Portable multifunctional sauna/shower equipment

InactiveCN102525316AEasy function switchingEasy to adjust water temperatureBathsDouchesEngineeringControl valves
The invention relates to sauna / shower equipment and discloses portable multifunctional sauna / shower equipment which comprises a sac, a composite expansion seal pipe bundle device, a folding adjustable passage massage multi-chamber pump, a multifunctional heat-insulating water bucket, a gas control valve, a water delivery pipe, a hot water pipe, an air delivery pipe and a hot steam pipe, wherein the sac is connected with the composite expansion seal pipe bundle device and the folding adjustable passage massage multi-chamber pump through the air delivery pipe, the water delivery pipe and the hot steam pipe; and the multifunctional heat-insulating water bucket is connected with the composite expansion seal pipe bundle device and the folding adjustable passage massage multi-chamber pump through the hot water pipe and the water delivery pipe. The multifunctional bath equipment integrates the functions of sauna bath, shower bath, tub bath, massage, beautification and steam bath. The portable multifunctional sauna / shower equipment is complete and perfect as well as safe and comfortable, is convenient to use, has a wide application range, provides convenience for water temperature control, minimizes energy consumption and water consumption, is compatible, and has a simple structure and a low cost.
Owner:陈卫

Method for direct extraction of nucleic acid without tissue grinding

The invention relates to the field of nucleic acid extraction, in particular to a method for direct extraction of nucleic acid without tissue grinding. In order to solve the defects of burdensome operation, long extraction cycle, no realization of automation, contact of toxic reagents and the like, and the technical problems that in the extraction process of a novel nucleic acid extraction instrument, animal tissue samples need grinding, cracking and centrifugation in advance and cannot achieve direct extraction on a machine, the invention provides a method for direct extraction of nucleic acid without tissue grinding. The method adopts a unique cracking reagent and employs a 96-channel nucleic acid extraction instrument for support to realize integration of instrument and consumables, and achieves full-automatic extraction of animal tissue nucleic acid. The reagent is optimized cracking liquid for different samples, and the instrument is nucleic acid extraction instrument, and the extraction conditions can be optimized according to different tissue samples. The method provided by the invention has the advantages of simple steps, full automatic operation, high purity of nucleic acid, short extraction cycle, and no contact with toxic reagent, etc.
Owner:BIOTEKE CORP (WUXI) CO LTD

Built-in laminated pressure cooker with steaming and stewing functions

A pressure adjustable cooker with overlapped 2 or more internal steaming layers for steaming different kinds of food is disclosed, which features that its internal steam pressure can be adjusted as will for saving energy and time.
Owner:黄振强

Self-circulation liquid cooling permanent magnetic motor of high power rate

The invention discloses a self-circulation liquid cooling permanent magnetic motor of high power rate. The motor comprises a stator and a rotor, the stator sleeves the rotor, the rotor comprises a metal rotor and a metal main shaft, the metal rotor sleeves the metal main shaft, the stator is arranged in a liquid pump chamber, a liquid inlet is arranged in the middle portion of the liquid pump chamber, a liquid outlet is arranged in an edge position of the liquid pump chamber, and a pump impeller made of a heat radiation material and connected with the main shaft of the rotor are arranged in the liquid pump chamber. The pump impeller made of the heat radiation material is immersed in the low-temperature environment of the liquid pump chamber, when the motor rotates and works, under the effect of the pump impeller, a liquid coolant circulates continuously to take away heat of the rotor, a permanent magnet is prevented from failure caused by demagnetization, it is ensured that the permanent magnetic motor is long in service life and high in efficiency, the risk of demagnetization of the motor is greatly reduced, the power rate and performance of the motor is greatly improved, and the size, weight and cost of the motor are reduced.
Owner:扬州科光技术发展有限公司

Multi-support multi-roller track component and track

The invention discloses a multi-support multi-roller track component and a track. The track component comprises a track plate, rolling wheels are installed on the track plate, the track plate comprises a plate body, supporting components are arranged on the plate body, track pins are arranged on the two sides of the plate body, the supporting components comprise two rolling wheel supports and a rolling wheel supporting base, wherein the two rolling wheel supports and the rolling wheel supporting base are coaxially and sequentially separated from one another; the two rolling wheels are installed on the supporting components through rolling wheel bolts, the head parts of the rolling wheel bolts are arranged on positioning grooves of the rolling wheel supporting base while the threaded ends of the rolling wheel bolts penetrate through holes of the two rolling wheel supports and then are screwed with locking nuts, the rolling wheels can be rotationally arranged on screw rods of the rollingwheel bolts in a penetrating mode, the rolling wheels form bias angles relative to the track pins, one rolling wheel is arranged between the two rolling wheel supports, and the other rolling wheel isarranged between the rolling wheel supports and the rolling wheel supporting base. The track component has the advantages that the structure is compact, the first time contact of the rolling wheels can be kept, the collision abrasion is small, the service life is long, the noise and vibration are reduced, the adaptability of various road surfaces is high, and the like.
Owner:ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY

Radiator brazing device with roller type conveying mechanism

The invention relates to the technical field of radiator brazing equipment, and provides a radiator brazing device with a roller type conveying mechanism. The radiator brazing device comprises a heating box, and the heating box is internally provided with a conveying mechanism for conveying a radiator core; an induction coil is arranged in an interlayer of the box wall of the heating box; a plurality of rows of nozzles are arranged on the inner wall of the heating box; each row of nozzles are uniformly distributed in the range of 0-180 degrees of the inner wall of the heating box; and the conveying mechanism comprises a plurality of conveying rollers which are arranged on the same horizontal plane in parallel and rotate in the same direction at the same speed. Therefore, the conveying mechanism is formed by the plurality of conveying rollers which are arranged on the same horizontal plane in parallel; and by arranging the nozzles above and below the conveying rollers, brazing flux andbrazing filler metal are sprayed to the radiator core in the upper direction and the lower direction, so that welding flux can be fully arranged at all welding points of the radiator core, the occurrence of desoldering points is greatly reduced or even avoided, the workload of repair welding operation is greatly reduced, and the production efficiency and the product quality are improved.
Owner:WEIFANG HUALONG RADIATOR

Rod type escape device

Relating to the technical field of safety doors, the invention especially relates to a compression bar type escape device, with which a safety door can be opened rapidly by pushing the compression bar, and provides a solution to the problem that present common locksets cannot open the door rapidly through an act when emergencies take place. The device comprises a main lock body, an upper lock body and a lower lock body of the same structure. The device is characterized in that the main lock body is provided with a pedestal and a main lock bolt. A handle is arranged at one end of the pedestal and is connected to the pedestal through a handle shaft, which is provided with a rear rotation plate. One end of the rear rotation plate and one surface of the main lock bolt are positioned on the working face of a front moving plate. A roller is equipped between the main lock bolt tail and the working face of the front moving plate, and the central section of the main lock bolt is provided with a lock bolt shaft. The front moving plate is equipped with a gib matching a moving plate, one end of which is connected to an upper connecting bar. A direction control column is provided at one end of the pedestal having the moving plate. The direction control column is connected to a beak plate that is in connection with the moving plate and is provided with a beak plate pin.
Owner:YUYAO DAERMAN HARDWARE

Layout method of overhaul safety measures for double-bus and double-section power supply system of substation

The invention discloses a layout method of overhaul safety measures for a double-bus and double-section power supply system of a substation. The method comprises the following steps: 11) loop closingand inverting the bus bar; 12) switching that low-voltage alternating current pow supply; 13) switching each switch cabinet of that bus bar to be overhauled to a hot standby state; 14) switching eachswitch cabinet to a cold standby state; 15) switching that voltage transformer to a cold standby state; 16) switching that station transformer to a cold standby state; 17) Installing the ground wire;18) disconnecting that direct current power supply screen to remove the direct current control power circuit breaker and the closing power circuit breaker of the bus bar to be overhaul; 19) Disconnecting the low-voltage alternating current screen and go to the low-voltage alternating current circuit breakers of each switch cabinet of the bus bar to be inspected and repaired. The method for arranging maintenance safety measures of the power supply system has the advantages of fast and efficient switching operation, complete arrangement of maintenance safety measures, and can effectively avoid the occurrence of switching misoperation and personal injury accidents, and ensure the safety of equipment maintenance operation.
Owner:SHANDONG IRON & STEEL CO LTD

Dual-motor integrated driving system of electric vehicle

The invention discloses a dual-motor integrated driving system of an electric vehicle, and belongs to the technical field of driving systems of electric vehicles. The driving system comprises a casing, a dual-motor assembly and a control assembly; the dual-motor assembly includes a motor I and a motor II connected through a synchronizer; the motor I is relatively big in size; the control assemblyis arranged at the top parts of the motor I and the motor II; the control assembly comprises an insulated gate bipolar translator (IGBT) power unit I and an IGBT power unit II correspondingly used forsupplying power for the motor I and the motor II; the IGBT power unit I is arranged above the motor II; and the IGBT power unit II is arranged above the motor I. The driving system has the beneficialeffects that the dual-motor assembly and the control assembly are integrated in the casing, and the structural difference of the dual-motor assembly is fully utilized to arrange the control assembly,so that the space is fully utilized, and the whole vehicle layout is facilitated; and heat emission can be performed simultaneously on the dual-motor assembly and the control assembly through a designed water cooling assembly, so that the integral heat emission efficiency is increased.
Owner:CHERY AUTOMOBILE CO LTD

Multichannel combined aeration tower

The invention discloses a multichannel combined aeration tower which is particularly applicable to an underground water iron and manganese removal process and solves the problems of low oxygen dissolving efficiency, low effluent DO (dissolved oxygen) concentration, large occupied area and high energy consumption of an existing aeration device. The multichannel combined aeration tower comprises a water inlet pipe, a water distribution device, a tower body, a packing group, air pipes, blast aeration devices and a water outlet pipe, a water outlet of the water distribution device is formed in the top of the tower body, a water inlet of the water distribution device is connected with the water inlet pipe, the packing group is arranged inside the tower body, the blast aeration devices are symmetrically arranged on the lower portion of the tower body and connected onto the outer wall of the tower body through the air pipes, the water outlet pipe is arranged at the bottom center of the tower body, and the bottom of the tower body is inclined downwards from the periphery to the center. The multichannel combined aeration tower is used for secondary aeration in a secondary filtering oxidation process with iron and manganese coexistence.
Owner:HARBIN INST OF TECH

Safety protection control device of automatic assembly machine based on safety relay

The invention relates to a safety protection control device of an automatic assembly machine based on a safety relay. The safety protection control device comprises the safety relay, an emergency stop reset button S1, an emergency stop button S2, a safety door cam switch, a relay KA1, a relay KA2, a relay KA3, an electromagnetic brake and an electromagnetic valve, wherein the electromagnetic brake is used for controlling a rotary table to stop, and the electromagnetic valve is used for controlling a total air source. Compared with the prior art, the safety protection control device has the advantages of safety, reliability, wide application range, high practicability, powerful functions and the like.
Owner:MANSHENG PACKAGING SHANGHAI

Novel three-chamber septic tank processed through injection molding and compression molding compounding technology

A novel three-chamber septic tank processed through an injection molding and compression molding compounding technology comprises a septic tank body, the septic tank body is formed through connecting three mutually independent septic tanks, the connecting positions of the septic tanks are sealed through integral sealing strips, the upper portion of every septic tank is provided with a feeding port, and the septic tanks are processed through an injection molding or compression molding technology; and the surface or / the inner wall of every septic tank is provided with reinforcements, and steel bars pass through the reinforcements. The novel three-chamber septic tank made of a mixed wood and plastic material has the advantages of high strength, strong toughness, good sealing performance and no seepage.
Owner:ANHUI PROVINCE RUIDUNCHENGJI CITY FACITIES CO LTD

Multi-band Antenna System for Mobile Terminals with Metal Frame Structure

ActiveCN103346397BMetal Trim Frame Requirements RetainedMeet the needs of metal texture mobile terminal productsSimultaneous aerial operationsAntenna supports/mountingsResonanceCoupling
The invention discloses a multi-frequency antenna system applicable to a mobile terminal with a metal frame structure. The multi-frequency antenna system comprises a metal frame, a PCB and an antenna part. The metal frame is designed to be part of an antenna radiation body, two gaps are formed in the bottom portion of the metal frame, a feeding wiring part and the metal frame together form a T-shaped monopole antenna or an IFA antenna so that the metal frame itself can be used for producing low frequency and high frequency resonance, and other coupling parts can be additionally arranged to be used for adjusting the low frequency and high frequency resonance according to the needs of working frequency bands. The multi-frequency antenna system has the advantages that due to the fact that the gaps of the metal frame are formed in the bottom portion, a user can be prevented from touching the gaps during the actual use process, and the phenomenon that the performance of the antenna is poor when the antenna is held by a hand is avoided; the working frequency bands of the multi-frequency antenna system are 704Mhz-960Mhz and 1710Mhz-2700Mhz, and multi-frequency broadband is realized; compared with a traditional general antenna, the multi-frequency antenna system is multiple in frequency band and broad in frequency width; the antenna structure of the multi-frequency antenna system is small in occupied space, and mutual influence cannot be generated between the antenna structure and surrounding environments.
Owner:SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS CO LTD

Superconductive cavity tuning control system and method based on PLC and touch screen

The invention discloses a superconductive cavity tuning control system and method based on a PLC and a touch screen. The system comprises a PLC substrate. A PLC power module, a CPU module, a position control module, a first simulation input module, a second simulation input module, a simulation output module and a TTL input module are arranged on the PLC substrate. An incident power radio frequency signal lead out end of a superconductive cavity and a radio frequency signal lead out end coupled in the superconductive cavity are connected with two input ends of a phase discriminator. The output end of the phase discriminator is connected with the first simulation input module and the input end of the TTL input module. The second simulation input module and the output end of a displacement sensor are connected with a simulation voltage input end of a piezoelectric ceramic high-voltage power supply. The position control module is connected with a pulse input end of the stepper motor driver. The simulation output module is connected with a simulation input end of the piezoelectric ceramic high-voltage power supply. The CPU module is connected with the touch screen unit. According to the invention, frequency of the superconductive cavity can be automatically searched, captured and locked.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACADEMY OF SCI

Environmental-friendly combustion furnace

InactiveCN103742920AIncrease combustion spaceFully automatic safe and reliable operationIncinerator apparatusCombustion chamberCombustor
The invention discloses an environmental-friendly combustion furnace. The environmental-friendly combustion furnace comprises a barrel-shaped combustion chamber, wherein the combustion chamber is connected with a spiral feeding mechanism through an air supply pipe; an ignition device is arranged on the combustion chamber; a fire outlet nozzle is also formed in the combustion chamber; the combustion chamber comprises a furnace body; a controller is arranged outside the furnace body; and a combustion chamber cover plate is covered on the top. Compared with the conventional furnaces and combustors, the environmental-friendly combustion furnace has the advantages that a large combustion space is formed in the structure design; a fuel oil ignition device is arranged, so that automation of ignition is realized; due to the adoption of automatic control in feeding, combustion and ignition of the combustion chamber, the environmental-friendly combustion furnace is convenient to operate; compared with the conventional furnace, the environmental-friendly combustion furnace is higher in combustion efficiency and lower in smoke exhaust temperature; due to the adoption of efficient insulation material, the surface temperature of a furnace body is low; radiation loss can be ignored; the environmental-friendly combustion furnace is capable of producing according to national norms and standards strictly, energy-saving, environmental-friendly and convenient to mount and use.
Owner:浙江华顺炉业有限公司
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