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50results about How to "Increase or decrease in size" patented technology

Semiconductor device

A semiconductor device includes a source region and a drain region disposed in a substrate wherein the source and drain regions have a first type of dopant; a gate electrode formed on the substrate interposed laterally between the source and drain regions; a gate spacer disposed on the substrate and laterally between the source region and the gate electrode, adjacent a side of the gate electrode; and a conductive feature embedded in the gate spacer.
Owner:TAIWAN SEMICON MFG CO LTD

Qos sceduling method for wlans with heterogenous applications

A wireless system (100) includes at least one power-save wireless station (PS STA)(102). A method of wireless includes allocating deterministic time intervals (206,207) to the PS-STAs.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV

Energy feedback shock absorber with damping stiffness changing along with road condition

ActiveCN104405812ARealize cycle power generationSolve the problem of unequal volume changeSpringsMachines/enginesVehicle frameEngineering
The invention discloses an energy feedback shock absorber with damping stiffness changing along with a road condition. The energy feedback shock absorber adopts a combined piston structure, through the combination of a first bent circuit throttle oil way and a second bent circuit throttle oil way, oil liquid in the upper cavity of a cylinder barrel is connected with a hydraulic system through the first bent circuit throttle oil way and the first oil way of a piston rod, oil liquid in the lower cavity of the cylinder barrel is connected with the hydraulic system through the second bent circuit throttle oil way and the second oil way of the piston rod, pressure oil flow circulation generation is realized, and the vibration energy of the shock absorber is converted into storable electric energy; a gas bag arranged at the bottom of the cylinder barrel is communicated with an oil-gas separation pressure balance type energy accumulator gas cavity, the volume of the gas bag is increased or decreased through the elastic deformation of the gas bag, and the problem that the changes for the volumes of the upper cavity and the lower cavity of the cylinder barrel are unequal when the piston slides is effectively solved; a control device appropriately delays the opening time of a related electromagnetic check valve according to pressure jump feedback obtained by a first pressure sensor and a second pressure sensor, and the adaptive control that the damping stiffness of the shock absorber changes along with the road condition is realized, so that the frequency and amplitude of vibration between a frame and an axle is reduced, and the frame can be effectively protected from being damaged.
Owner:INNER MONGOLIA NORTH HAULER

Material-gripping device for paint transportation

The invention discloses a material-gripping device for paint transportation. The material-gripping device for paint transportation comprises a conveyor belt and a gripping jaw. A ratchet is connected to the conveyor belt. A first swinging rod is arranged below the ratchet. A rotating rod is arranged on the first swinging rod. The first swinging rod is connected to the rotating rod in a sliding mode. A pawl is hinged to the rotating rod. A first elastic piece is connected to the pawl. A second swinging rod is arranged on the left side of the first swinging rod. A second elastic piece is arranged between the first swinging rod and the second swinging rod. A fixed sliding groove is formed above the second swinging rod and internally provided with a rack. A pulling rod is hinged to the rack and connected to the second swinging rod in a sliding mode. The rack is engaged with a gear. The gripping jaw is connected to the gear. A cavity is formed in the right side of the first swinging rod. The upper portion of the cavity communicates with an air bag. A stopping block is connected to the bottom of the cavity in a sliding mode. A pushing block is arranged on the left side of the second swinging rod. A linkage rod is hinged to the pushing block. A crank is hinged to the linkage rod. A pushing rod is connected to the pushing block and connected with the stopping block. According to the material-gripping device for paint transportation, the structure is simplified due to air cylinder control and the connected structure, so that the matching difficulty is reduced.
Owner:CHONGQING HENGO SCHILLER DECORATION ENG CO LTD

Glasses and method for detecting myopic number of degrees

The invention relates to glasses and a method for detecting myopic number of degrees, belonging to the technical field of vision detection. A first mirror body and a second mirror body in the glassesare connected to form an accommodating cavity in a front-back sliding manner, an elastic transparent airbag is arranged in the accommodating cavity, two sides of the elastic transparent airbag are respectively fit with the first mirror body and the second mirror body, and a liquid injection transmission mechanism for injecting focusing liquid into the elastic transparent airbag and adjusting the volume of the accommodating cavity is arranged in a mirror bracket. The glasses have the beneficial effects that the first mirror body, the second mirror body and the elastic transparent airbag filledwith the focusing liquid are taken as an equivalent concave lens, the distance between the first mirror body and the second mirror body is adjusted through changing the volume of the focusing liquid in the elastic transparent airbag, and the required number of degrees of the glasses is determined according to the position of the liquid injection transmission mechanism, so that the detection of thenumber of the degrees is accurate and continuous, the operation process is convenient and rapid, the detection cost is low, the detection of the number of the degrees can be finished by one people, the glasses can meet the current configuration demands of myopic glasses, and the configuration cost is lowered.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE

Air-gap iron core current transformer measurement structure

The invention belongs to the technical field of current transformer measurement, and particularly relates to an air-gap iron core current transformer measurement structure. The air-gap iron core current transformer measurement structure provided by the invention is small in size and wide in measurement range. The air-gap iron core current transformer measurement structure comprises an electromagnetic coil and an iron core, wherein the iron core is formed by buckling two half-frame iron cores. One of the buckling ends of the two half-frame iron cores is placed at the inner side of the electromagnetic core, and the other end is sleeved by a sheath. A conducting bar of a measured circuit steers by the inner ring sheath end of the iron core, and the inner side of the conducting bar is connected with the sheath. Key points of the structure are that an insulating air gap pad is arranged between the buckling ends of the two half-frame iron cores arranged at the inner side of the electromagnetic coil; an output end of the electromagnetic coil is connected with an input end of a current signal setting unit, an output end of the current signal setting unit is connected with a signal input end of a microprocessor unit, and a control signal output port of the microprocessor unit is connected with a control signal input port of a current protection device of the measured circuit.
Owner:李蕊名

Energy feedback shock absorber

InactiveCN104315062ARealize circulating pressure oil flowIncrease or decrease in sizeSpringsResilient suspensionsHigh pressurePiston rod
The invention discloses an energy feedback shock absorber which comprises a dust cover, a cylinder barrel, a combined piston, a piston rod, a single lug ring, an air bag, an air bag protection cover, an end cover, an energy accumulator, a first high-pressure oil pipe, a second high-pressure oil pipe and a high-pressure air pipe. By the aid of a combined piston structure, a first curved throttling oil channel and a second curved throttling oil channel are formed, oil in an upper cavity of the cylinder barrel passes the first curved throttling oil channel, a first piston rod oil channel is connected with a hydraulic system through the first high-pressure oil pipe, oil in a lower cavity of the cylinder barrel passes the second curved throttling oil channel, a second piston rod oil channel is connected with the hydraulic system through the second high-pressure oil pipe, circulating pressure oil flow needed by power generation can be realized, the air bag arranged at the bottom of the cylinder barrel is communicated with the energy accumulator and timely generates elastic deformation, the size of the air bag is increased or decreased, and the energy feedback shock absorber effectively solves the problem of unequal volume change of the upper cavity and the lower cavity of the cylinder barrel when the piston slides.
Owner:KUNMING UNIV

Automatic dedusting and demoulding agent brushing device for tunnel steel trolley

ActiveCN104594916AIncrease or decrease in the number of installsIncrease or decrease in sizeUnderground chambersTunnel liningWire brushSteel tube
The invention provides an automatic dedusting and demoulding agent brushing device for a tunnel steel trolley. The device is characterized in that the device is composed of an automatic dedusting device and an automatic demoulding agent brushing device and is of a portal-shaped frame structure, and the automatic demoulding agent brushing device is arranged behind the automatic dedusting device and is fixed to an inner wall of a tunnel through a fixing and adjusting device; an automatic dedusting and demoulding device for the tunnel steel trolley is arranged in advance, a pump machine or a sprayer and all angle grinders with steel wire brushes as angle grinding pieces are started when the trolley is moved in place, and accordingly the steel trolley passes through the automatic dedusting device firstly in the moving process, a steel trolley formwork is ground and dedusted through the angle grinding pieces of the angle grinders in the passing process, then the steel trolley passes through the automatic demoulding agent brushing device, demoulding agents are continuously pressed into rolling cotton brushes through steel tubes by means of the pump machine or the sprayer in the automatic demoulding agent brushing device, and the rolling cotton brushes roll due to friction force of the trolley and finish demoulding agent brushing construction of the steel trolley formwork.
Owner:云南省水利水电工程有限公司

Experimental system and method for SWTBLI unsteady characteristic research

The invention discloses an experimental system and method for SWTBLI unsteady characteristic research, the experimental system comprises an experimental test section and an ultrahigh frame frequency flow field measurement system, and the ultrahigh frame frequency flow field measurement system comprises a multi-cavity laser, an array CCD camera, a synchronous controller, a photoelectric signal acquisition and data processing device and a nanoparticle generator. According to the method, a sequence fine flow structure image and wall surface pressure distribution in the SWTBLI process within a certain incident shock wave intensity range can be measured, and blowing and suction flow control on a shock wave induction separation position and the size of a separation area can be realized, so that the size of the separation area is enhanced or weakened, the effect of shock waves on a boundary layer is changed, and the separation effect is improved. The characteristic time scale and the characteristic frequency of large-scale structures such as separation bubbles in an interference area can be analyzed through the image, so that the time evolution process of the SWTBLI flow structure, the experimental research on unsteady motion characteristics and the like can be favorably carried out; the blank that SWTBLI unsteady characteristic analysis is not synchronously carried out on the basis of image, pressure and blowing and sucking flow control at present in China is filled.
Owner:NAT UNIV OF DEFENSE TECH

Method for forming semiconductor structure

The present invention provides a method for forming a semiconductor device structure. The method includes forming a material layer over a substrate and forming a resist layer over the material layer.The resist layer includes an inorganic material and an auxiliary. The inorganic material includes a plurality of metallic cores and a plurality of first linkers bonded to the metallic cores. The method includes exposing a portion of the resist layer. The resist layer includes an exposed region and an unexposed region. In the exposed region, the auxiliary reacts with the first linkers. The method also includes removing the unexposed region of the resist layer by using a developer to form a patterned resist layer. The developer includes a ketone-based solvent having a formula (a), wherein R1 islinear or branched C1-C5 alkyl, and R2 is linear or branched C3-C9 alkyl.
Owner:TAIWAN SEMICON MFG CO LTD

Adjustable ring

The invention relates to jewelry, and provides an adjustable ring. The adjustable ring comprises an annular finger ring and a decoration section arranged on the finger ring. The finger ring has a head end and a tail end disconnected with the head end. The decoration section comprises a connection base which is arranged on the finger ring and can adjust the tail end and the head end of the finger ring to move relatively and a rotation base arranged on the connection base and used for driving the connection base to rotate to drive the tail end and the head end of the finger ring to move relatively. A diamond is embedded in the connection base and a gemstone is embedded in the rotation base. The rotation base covers the diamond and is connected with the connection base detachably. The rotation base is rotated to drive the connection base to rotate, furthermore the head end of the tail end of the finger ring move relatively, adjustment of the finger ring size is achieved, therefore the ring can be worn by fingers with different sizes, which is convenient, furthermore, a wearer can install or dismount the rotation base on the connection base according to personal preference, thus the gemstone or the diamond is exposed, a gemstone ring or a diamond ring is formed, and the selectivity is high.
Owner:深圳市名饰传承珠宝有限公司

Front suspension system and vehicle

The invention discloses a front suspension system and a vehicle, and belongs to the technical field of automobile suspensions. The front suspension system includes: a knuckle; an upper control arm; and an auxiliary frame assembly which comprises a left longitudinal beam, a right longitudinal beam, a front cross beam and a rear cross beam, wherein the front cross beam and the rear cross beam are connected with the left longitudinal beam and the right longitudinal beam in a welded mode, wherein first welding seams are formed between the front cross beam and the left longitudinal beam and between the front cross beam and the right longitudinal beam, and included angles are formed between the first welding seams and the vertical plane; a first lower control arm and a secondlower control arm, wherein one end of the first lower control arm is connected with the auxiliary frame assembly, the other end of the first lower control arm is connected with the steering knuckle through a ball pin, one end of the second lower control arm is connected with the auxiliary frame assembly, and the other end of the second lower control arm is also connected with the steering knuckle through a ball pin, the intersection point of the axes of the first lower control arm and the second lower control arm is a virtual main pin lower point, and the virtual main pin lower point is lower than the auxiliary frame assembly; and a front sliding column assembly. The front suspension system and the vehicle are high in applicability, easy to form and high in deformation resistance.
Owner:CHINA FIRST AUTOMOBILE

Image sensor, forming method thereof and camera module

The invention discloses an image sensor, a forming method thereof and a camera module. The image sensor comprises a device substrate, a carrier substrate and a first piezoelectric structure, wherein the device substrate comprises a pixel area and an edge logic area which surrounds the pixel area; the carrier substrate is arranged to be opposite to the device substrate; the first piezoelectric structure is located between the edge logic area of the device substrate and the carrier substrate, surrounds the pixel area and is used for increasing the size in a first direction after obtaining a voltage signal; and the first direction is parallel to a normal direction on the surface of the center of the pixel area. The performance of the image sensor is improved.
Owner:ICLEAGUE TECH CO LTD

Method for preparing HPAA compounded pH response type bentonite

The invention provides a method for preparing HPAA compounded pH response type bentonite. The method comprises the steps: (1) carrying out primary modification on bentonite by taking citric acid as amodifier; (2) subjecting the primary-modified mixture and a silane coupler to ultrasonic compounding; (3) centrifuging the complete-compounded mixture, washing precipitates by water until the precipitates are neutral, drying and crushing the precipitates until the grain size is 500nm to 800nm, so as to obtain activated bentonite; and (4) subjecting the activated bentonite to an in-situ copolymerization reaction with alpha-cyanoacrylate, acrylic acid, methacrylic acid, methyl methacrylate and 2-cyanoacrylic acid, and carrying out centrifugation, washing and drying sequentially after the reaction ends up. The invention further provides an application of the pH response type bentonite in treatment of non-conventional water-sensitive shale. According to the pH response type bentonite providedby the invention, equivalently, HPAA molecules are compounded by bentonite, basic plugging strength is guaranteed, meanwhile, the flexibility of bentonite particles is enhanced, and the imbedding in irregular nano-micron rock pores is facilitated.
Owner:SOUTHWEST PETROLEUM UNIV

Trace oil injection device

The invention provides a trace oil injection device and belongs to the technical field of oil injection equipment. The trace oil injection device comprises an oil tank (5), an oil pump (4), an oil outlet nozzle (2) and a control device, wherein an oil inlet hole of the oil pump (4) is communicated with the bottom of the oil tank (5), an oil outlet hole of the oil pump (4) is communicated with an oil inlet hole of the oil outlet nozzle (2), and a plunger (16) of the oil pump (4) is connected with an electromagnet (14) pushing the plunger to move axially. The device is further provided with a detection unit used for detecting to-be-lubricated equipment, and the electromagnet (14) and the detection unit are both connected with the control device. The trace oil injection device is provided with the detection unit, the detection unit can detect equipment where oil is to be injected and uploads signals to the control device, the control device controls the oil pump to be started and stopped, the electromagnet pushes the plunger to move, the oil injection frequency is controlled by the electromagnet, high-frequency oil injection can be realized, besides, the oil injection frequency is convenient to adjust, and accordingly, intermittent oil injection can be realized according to motions of the equipment where oil is to be injected.
Owner:山东朗鑫机械设备有限公司

Universal stopper

The invention discloses a general bottle stopper. An internally concave bottle mouth accommodation groove is formed in the lower end surface of a casing of the bottle stopper, a bottle stopper part of an external aerated air bag and an air pressing part of an internal aerated air bag are arranged in a through hole in the bottom part of the accommodation groove, an air flow control piece is arranged on each of two sides of the air pressing part of the aerated air bag, a positioning guide pin I penetrates through and is connected with the air flow control pieces and then the top end of the positioning guide pin is left in a guiding hole of a driving plate, a clamping connection part of each air flow control piece is clamped in a clamping groove of the driving plate, three clamping claws connected through a positioning guide pin II in a penetrating way are arranged on the lower end surface of the driving plate, one end of each clamping claw is in clamped connection with the driving plate and the other locking end of the clamping claw is telescopically arranged in a guiding-out hole formed in the side wall of the accommodation groove, two ends of an elastic ring are fixedly connected to the driving plate and a connecting seat, a push rod drives the driving plate to rotate so that the clamping claws lock the bottle mouth, and simultaneously the air flow control pieces push the air pressing part of the aerated air bag to unequally and radially expand the volume of the bottle plug part of the aerated air bag in the bottle mouth, and therefore the bottle mouth is tightly plugged and sealed.
Owner:淮安市清江浦区市场监管综合服务中心

Automatic expanding-type tool mold for vacuum assisted square cabin forming process

The invention discloses an automatic expanding-type tool mold for a vacuum assisted square cabin forming process. The automatic expanding-type tool mold for the vacuum assisted square cabin forming process comprises a mold base and a mold body. The mold body comprises a bottom mold, a front mold, a rear mold, a left mold and a right mold, and a forming cavity is formed by enclosing the front mold,the rear mold, the left mold and the right mold on bottom mold. The bottom mold is fixed to the mold base, the front mold, the left mold, and the right mold all provided with outward turning strokeson the bottom mold, and the rear mold is provided with a stroke which moves forward and backward on the bottom mold. The volume of the forming cavity is increased or decreased with the movement of therear mold. Mold-closing and mold splitting are simple and convenient in operation, and the automatic expanding-type tool mold is suitable for the production of square cabins of different lengths; andmeanwhile, the automatic expanding-type tool mold is high in degree of automation, convenient to operate, safe and reliable, has own heating function and is high in overall strength, the reinforcement time is shortened, and mass production efficiency is high.
Owner:NINGBO SHUXIANG NEW MATERIAL

Universal bottle stopper

The invention discloses a general bottle stopper. An internally concave bottle mouth accommodation groove is formed in the lower end surface of a casing of the bottle stopper, a bottle stopper part of an external aerated air bag and an air pressing part of an internal aerated air bag are arranged in a through hole in the bottom part of the accommodation groove, an air flow control piece is arranged on each of two sides of the air pressing part of the aerated air bag, a positioning guide pin I penetrates through and is connected with the air flow control pieces and then the top end of the positioning guide pin is left in a guiding hole of a driving plate, a clamping connection part of each air flow control piece is clamped in a clamping groove of the driving plate, three clamping claws connected through a positioning guide pin II in a penetrating way are arranged on the lower end surface of the driving plate, one end of each clamping claw is in clamped connection with the driving plate and the other locking end of the clamping claw is telescopically arranged in a guiding-out hole formed in the side wall of the accommodation groove, two ends of an elastic ring are fixedly connected to the driving plate and a connecting seat, a push rod drives the driving plate to rotate so that the clamping claws lock the bottle mouth, and simultaneously the air flow control pieces push the air pressing part of the aerated air bag to unequally and radially expand the volume of the bottle plug part of the aerated air bag in the bottle mouth, and therefore the bottle mouth is tightly plugged and sealed.
Owner:淮安市清江浦区市场监管综合服务中心

An energy-feeding shock absorber whose damping stiffness varies with road conditions

ActiveCN104405812BRealize cycle power generationSolve the problem of unequal volume changeSpringsMachines/enginesVehicle frameEngineering
The invention discloses an energy feedback shock absorber with damping stiffness changing along with a road condition. The energy feedback shock absorber adopts a combined piston structure, through the combination of a first bent circuit throttle oil way and a second bent circuit throttle oil way, oil liquid in the upper cavity of a cylinder barrel is connected with a hydraulic system through the first bent circuit throttle oil way and the first oil way of a piston rod, oil liquid in the lower cavity of the cylinder barrel is connected with the hydraulic system through the second bent circuit throttle oil way and the second oil way of the piston rod, pressure oil flow circulation generation is realized, and the vibration energy of the shock absorber is converted into storable electric energy; a gas bag arranged at the bottom of the cylinder barrel is communicated with an oil-gas separation pressure balance type energy accumulator gas cavity, the volume of the gas bag is increased or decreased through the elastic deformation of the gas bag, and the problem that the changes for the volumes of the upper cavity and the lower cavity of the cylinder barrel are unequal when the piston slides is effectively solved; a control device appropriately delays the opening time of a related electromagnetic check valve according to pressure jump feedback obtained by a first pressure sensor and a second pressure sensor, and the adaptive control that the damping stiffness of the shock absorber changes along with the road condition is realized, so that the frequency and amplitude of vibration between a frame and an axle is reduced, and the frame can be effectively protected from being damaged.
Owner:INNER MONGOLIA NORTH HAULER

Wire tapping control system and trolley pole with system

The invention discloses a wire tapping control system and relates to the technical field of trolley bus control. The wire tapping control system comprises a cylinder set, a recentralizing system and a swinging system, wherein the cylinder set is composed of cylinders which are back-to-back connected with each other; an air circuit output of the swinging system is merged into an output air circuit of the recentralizing system; an output terminal of the recentralizing system is communicated with a rod chamber and a rod-less chamber of the cylinders; the recentralizing system and the swinging system are in parallel connection on the output air circuit of an air source; and the recentralizing system is capable of independently controlling the route of the cylinder set or jointly controlling with the swinging system. The invention also relates to a trolley pole with the system. The system can be utilized to realize the swinging of the trolley pole, reduce the requirements for the stopping positions of the vehicle and the wire grid and increase the intelligent effect.
Owner:SUZHOU KAIBO YIKONG DRIVE TECH CO LTD

A device for moving and loading trays of an automatic chip inserter

The invention discloses a device for transferring a pallet of an automatic inserting machine, comprising several transferring devices and a transfer bar connecting them, the transfer bar has a multi-layer structure, and the transfer bar includes a bar main body, The outer side of the strip main body is a contact part, the inner side of the strip main body is a wear-resistant layer, the transfer device includes an outer frame, the inner bottom of the outer frame is provided with an I-shaped plate, and an I-shaped plate is arranged above the I-shaped plate , above the two ends of the bar are provided with side fixing blocks, between the two side fixing blocks is provided with a horizontal angle support frame, the side of the horizontal angle support frame is provided with a vertical angle support frame, above the vertical angle support frame Two bearings are fixed through the upper arc plate, and the bearings are sleeved at both ends of the grooved roller. The inside of the grooved roller is provided with a carbon fiber rod. The outline of the wear-resistant layer is semicircular. The outer surface of the contact part The circle is a plane. The automatic sheet inserting machine transfers the pallet device, has good bearing capacity, and the pallet structure is stable and reliable, and is suitable for popularization and use.
Owner:江苏泰明易自动化设备有限公司

Device used for smart city and capable of automatically controlling atmospheric quality according to environment

The invention relates to the technical field of smart cities, and discloses a device used for smart city and capable of automatically controlling atmospheric quality according to the environment. Thedevice comprises a mounting base, wherein the lower surface of the mounting base is rotatably connected with a support column; the left and right sides of the mounting base are both movably connectedwith arc-shaped plates; the interiors of the arc-shaped plates are movably connected with V-shaped bases; compression springs are movably connected to the inner sides of the V-shaped bases; extrusionrods are movably connected to the side surfaces of the V-shaped bases; elastic bases are movably connected to the side surfaces of the extrusion rods; elastic springs are arranged in and movably connected with the elastic bases; liquid outlet holes are formed in the elastic bases; liquid storage bags are movably connected to the inner sides of the elastic bases; the inner sides of the V-shaped bases are movably connected with meshing rods; and one ends of the meshing rods are movably connected with stretching rods. The device can achieve the effect of automatically adsorbing harmful particlesaccording to the external environment, realizes energy conservation and environment protection, and brings beneficial effects to construction of smart cities.
Owner:陆小燕

Miniature intelligent buoy

The invention discloses a miniature intelligent buoy. The design of the waterproof shell and the metal supporting body with the variable shape is adopted, the upper shell and the lower shell are mutually nested through the waterproof rubber ring to form the closed containing cavity, the metal supporting body is arranged in the closed containing cavity, and the buoy is small in overall size, convenient to carry and capable of being rapidly thrown and laid; when the steering engine rotates, the screw rod is driven to rotate forwards / reversely, so that the metal supporting body is extended / shortened, and the closed accommodating cavity formed by the waterproof upper shell and the waterproof lower shell is enlarged or reduced, and therefore, the buoyancy of the miniature intelligent buoy is increased or reduced, and the buoy can move in the vertical direction to complete the movement postures such as ascending, diving and hovering; water body profile data (temperature, depth and salinity), biological information and current GPS position information at different depths are obtained.
Owner:HAINAN UNIVERSITY

A Measuring Structure of Iron Core Current Transformer with Air Gap

The invention belongs to the technical field of current transformer measurement, and particularly relates to an air-gap iron core current transformer measurement structure. The air-gap iron core current transformer measurement structure provided by the invention is small in size and wide in measurement range. The air-gap iron core current transformer measurement structure comprises an electromagnetic coil and an iron core, wherein the iron core is formed by buckling two half-frame iron cores. One of the buckling ends of the two half-frame iron cores is placed at the inner side of the electromagnetic core, and the other end is sleeved by a sheath. A conducting bar of a measured circuit steers by the inner ring sheath end of the iron core, and the inner side of the conducting bar is connected with the sheath. Key points of the structure are that an insulating air gap pad is arranged between the buckling ends of the two half-frame iron cores arranged at the inner side of the electromagnetic coil; an output end of the electromagnetic coil is connected with an input end of a current signal setting unit, an output end of the current signal setting unit is connected with a signal input end of a microprocessor unit, and a control signal output port of the microprocessor unit is connected with a control signal input port of a current protection device of the measured circuit.
Owner:李蕊名

A device for automatic dust cleaning and coating release agent for tunnel steel formwork trolley

ActiveCN104594916BIncrease or decrease in the number of installsIncrease or decrease in sizeUnderground chambersTunnel liningAngle grinderBrush device
The invention provides an automatic dedusting and demoulding agent brushing device for a tunnel steel trolley. The device is characterized in that the device is composed of an automatic dedusting device and an automatic demoulding agent brushing device and is of a portal-shaped frame structure, and the automatic demoulding agent brushing device is arranged behind the automatic dedusting device and is fixed to an inner wall of a tunnel through a fixing and adjusting device; an automatic dedusting and demoulding device for the tunnel steel trolley is arranged in advance, a pump machine or a sprayer and all angle grinders with steel wire brushes as angle grinding pieces are started when the trolley is moved in place, and accordingly the steel trolley passes through the automatic dedusting device firstly in the moving process, a steel trolley formwork is ground and dedusted through the angle grinding pieces of the angle grinders in the passing process, then the steel trolley passes through the automatic demoulding agent brushing device, demoulding agents are continuously pressed into rolling cotton brushes through steel tubes by means of the pump machine or the sprayer in the automatic demoulding agent brushing device, and the rolling cotton brushes roll due to friction force of the trolley and finish demoulding agent brushing construction of the steel trolley formwork.
Owner:云南省水利水电工程有限公司
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