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46results about How to "Increase the number of windings" patented technology

Fixed adjustable transformer framework

The invention discloses a fixed adjustable transformer framework which comprises a rectangular coil frame, two end plates, a plurality of fixing blocks, a plurality of pins and two protection shells. The coil frame is transversely arranged, the middle of the coil frame is provided with a check ring, the two ends of the coil frame are respectively and fixedly provided with a fixing ring, the two ends plates are arranged on the upper portions of the outer surfaces of the two fixing rings respectively, each end plate is provided with a groove, the bottom of a fixing plate is provided with a sliding rod, the sliding rod penetrates through the groove and is matched with the groove in a sliding mode, the sliding rod is provide with threads and is locked through a nut, the bottoms of the inner surfaces of the fixing rings and the bottoms of two surfaces of the check ring are respectively provided with a transverse sliding groove, each protection shell is composed of a substrate and two sub-plates, the two ends of the substrate of each protection shell are hinged to the two corresponding sub-plate respectively, the sub-plates are of an L-type structure, the substrates of the two protection shells are matched with the sliding groove in one face of the check ring and the sliding groove of the corresponding fixing ring respectively in a sliding mode, and the two sub-plates of each protection shell rotate upwards and are buckled at the top of the coil frame. The fixed adjustable transformer framework has the advantages of being good in overall use effect and suitable for being used and popularized.
Owner:HEFEI PHILEX ELECTRONICS TECH

Multifunctional trolley with double-layer platform

The invention discloses a multifunctional trolley with a double-layer platform, and belongs to the field of carrying tools. The trolley comprises an upper-layer platform body, a bottom-layer platformbody and a pushing hand, the pushing hand is fixed at the rear portion of the bottom-layer platform body, the upper-layer platform body is installed over the bottom-layer platform body through a scissor-type lifting mechanism, and the scissor-type lifting mechanism is further internally provided with an upper-layer locking air spring; the bottom-layer platform body comprises a bottom-layer platform fixing frame and a bottom-layer platform retractable frame which are retractably matched, the rear portion of the bottom-layer platform fixing frame and the front portion of the bottom-layer platform retractable frame are provided with rolling wheels, a bottom-layer retractable air spring for keeping the bottom-layer platform retractable frame elastically extending out is arranged between the bottom-layer platform fixing frame and the bottom-layer platform retractable frame, and the rear portion of the bottom-layer platform fixing frame is provided with a linkage mechanism for driving the bottom-layer platform retractable frame to retract back. By means of the trolley, the flexible use of the double-layer platform can be achieved; the loading capacity of the double-layer trolley is improved, and the trolley is flexible and convenient to use and easier to operate.
Owner:CHANGZHOU INST OF TECH

Multi-functional wheelbarrow

The invention discloses a multi-functional wheelbarrow and belongs to the field of carrying tools. The multi-functional wheelbarrow comprises an upper-layer platform, a bottom-layer platform and handlebars, the handlebars are fixed to the rear part of the bottom-layer platform, and the upper-layer platform is installed on vertical arms of the handlebars through a vertical lifting mechanism; the bottom-layer platform comprises a bottom-layer platform fixed frame and a bottom-layer platform retractable frame which are matched in a retractable mode, the front part of the bottom-layer platform retractable frame is provided with front wheels, the rear part of the bottom-layer platform fixed frame is provided with rear wheels, an elastic mechanism is further arranged between the bottom-layer platform fixed frame and the bottom-layer platform retractable frame, and a linkage mechanism which ascends along with the upper-layer platform to drive the bottom-layer platform retractable frame to retract is further arranged between the upper-layer platform and the bottom-layer platform retractable frame. The loading capability of the multi-functional wheelbarrow is improved, thus the wheelbarrowhas multiple functions, the upper-layer platform and the bottom-layer platform are combined organically through the linkage mechanism, the functions are coordinating, the usage is more flexible, the operation is easier, and the work efficiency is improved.
Owner:CHANGZHOU INST OF TECH

Transformer framework with height of pins capable of being adjusted

The invention discloses a transformer framework with the height of pins capable of being adjusted. The transformer framework comprises a coil rack in a rectangular body, two end plates, a plurality of fixed blocks, a plurality of pins and two protective casings, wherein the coil rack is horizontally arranged; a check ring is arranged in the middle of the coil rack; fixed rings are respectively fixed at two ends of the coil rack; the two end plates are respectively arranged in the two fixed rings; a plurality of fixed blocks are arranged on each end plate; a vertical channel is vertically arranged beside the fixed blocks; the part of each pin, which is positioned in the fixed block, is provided with a sliding rod; the sliding rod penetrates through the channel and is locked through a nut; horizontal sliding grooves are formed in bottoms of inner surfaces of the fixed rings and bottoms on two surfaces of the check ring; each protective casing comprises a base plate and two sub plates; two ends of the base plate are respectively hinged to the two sub plates; the base plates of the two protective casings are respectively in sliding fit with the sliding groove on one surface of the check ring and the sliding groove of corresponding fixed ring; the two sub plates rotate upward and are buckled at the top of the coil rack. The transformer framework has the beneficial effects that the overall use effect is good, and the transformer framework is suitable for promotion and application.
Owner:HEFEI PHILEX ELECTRONICS TECH

High voltage power supply

The invention discloses a high voltage power supply. The high voltage power supply comprises an isolation transformer bank, wherein the isolation transformer bank is used for realizing electric isolation and carrying out boosting treatment on electric supply voltage; a power supply module comprises a plurality of serially connected power supply units; each power supply unit is provided with a switch tube; each switch tube is used for controlling the output voltage of corresponding power supply unit; and the output voltages of the power supply units are converted between zero and a unit level by adjusting the switching states of the switch tubes. The output voltage of the high voltage power supply is the sum of the output voltages of all the power supply units, and required high voltage output can be generated by adjusting the quantity of the power supply units in conducting states. The power supply units are driven by adopting two stages of transformer banks, the structures of the transformer banks are simplified, the transformation ratios of the two stages of transformer banks are different, so that the power supply units are of different output voltages; therefore, when the high voltage power supply works, the switch tubes of the power supply units work in on-off states mainly, so that the switching frequency of the switch tubes and the complexity of control signals are reduced; and simultaneously, the electromagnetic interference is reduced, and high-precise output of the power supply is realized by using a simple control method.
Owner:HUAZHONG UNIV OF SCI & TECH

Elevator traction system

The invention discloses an elevator traction system, which comprises a shaftway, a lift car guide rail, a counterweight guide rail, a lift car, a counterweight, a traction host machine, an installing cross beam, a counterweight rope head, a lift car rope head, a counterweight lateral guide wheel, a lift car lateral guide wheel and a pull rope, wherein the traction host machine, the counterweight rope head, the lift car rope head and the counterweight lateral guide wheel are respectively arranged on the cross beam, the lift car lateral guide wheel is arranged on the lift car guide rail or the side wall of the shaftway, the pull rope sequentially bypasses a first lift car pulley, a second lift car pulley, the lift car lateral guide wheel, a third lift car pulley, a fourth lift car pulley, a traction wheel, a first counterweight pulley, the counterweight lateral guide wheel and a second counterweight pulley, and the two ends of the pull rope are respectively connected with the counterweight rope head and the lift car rope head. The elevator traction system has the advantages that the system capability of the traction host machine can be reduced, the effects of energy saving and environment protection are favorably realized, in addition, the dimension of the traction host machine can be relatively reduced, the shaftway arrangement and the shaftway installation and maintenance are convenient, the lift car and counterweight balance is favorably realized, the installation and the maintenance of the elevator traction system by operators are convenient, and the work efficiency is high.
Owner:HITACHI ELEVATOR CHINA

Detachable transformer frame with adjustable fixing blocks

The invention discloses a detachable transformer frame with adjustable fixing blocks. The detachable transformer frame comprises a coil rack, two end plates, the plurality of fixing blocks, a plurality of pins and two protection casings; the coil rack is horizontally arranged and the middle of the coil rack is provided with a retainer ring; a fixing ring is fixed at each end of the coil rack; each end plate is arranged on the upper portion of the outer surface of the corresponding fixing ring; each end plate is provided with the plurality of fixing plates; every pin is inserted into the upper surface of the corresponding fixing block; each end plate is provided with a groove channel; the bottom of every fixing block is provided with a sliding rod which penetrates the corresponding groove channel in a sliding match mode; every sliding rod is provided with threads which are locked through a nut; the inner surface of each fixing ring and the upper portion and the lower portion of each side of the retainer ring are provided with a lateral sliding groove respectively; the left side and the right side of each fixing ring are provided with a longitudinal sliding groove respectively; each protection casing comprises four sub-plates; two sides of every sub-plate are matched with the sliding rings of the corresponding fixing ring and the sliding grooves of the corresponding retainer ring in a sliding mode; every sub-plate is fixedly connected with the adjacent sub-plates. The detachable transformer frame with the adjustable fixing blocks has the advantages of being good in integral use effect and suitable for popularization and utilization.
Owner:HEFEI PHILEX ELECTRONICS TECH

Stator assembly, motor and electrical equipment

The invention provides a stator assembly, a motor and electrical equipment. The stator assembly comprises a stator iron core which comprises a yoke part, a first main tooth and a second main tooth, wherein the first main tooth and the second main tooth are arranged on the yoke part; the first main tooth comprises a first tooth boot and at least two first auxiliary teeth arranged on the first tooth boot, and a first groove is formed between every two adjacent first auxiliary teeth; the second main tooth comprises a second tooth boot and at least two second auxiliary teeth arranged on the second tooth boot, and a second groove is formed between every two adjacent second auxiliary teeth; wherein the angular bisector of the included angle formed between the first main tooth and the second main tooth is a reference line, and the first tooth boot and the second tooth boot are asymmetrically arranged relative to the datum line. According to the invention, the first tooth boot and the second tooth boot are asymmetrically arranged relative to the reference line, so that non-uniform distribution of air gap magnetic conductance is realized, and the number of air gap magnetic conductance cycles is reduced, thereby obtaining more working harmonics to improve the output torque of the motor.
Owner:WELLING WUHU MOTOR MFG +1

Detachable transformer bobbin with adjustable pin height

The invention discloses a detachable transformer frame with adjustable pin height, which includes a coil frame, two end plates, multiple fixing blocks, multiple pins, two protective shells, the coil frame is provided with retaining rings, and the two ends of the coil frame are respectively fixed For the fixed ring, the two end plates are respectively arranged on the upper part of the outer surfaces of the two fixed rings, and a plurality of fixed blocks are arranged on the two end plates, and pins are inserted on the upper surface of each fixed block, and the side of the fixed block is provided with The vertical channel, the pin is provided with a slide bar to pass through the channel, the slide bar is provided with a thread and locked by a nut, the inner surface of the fixed ring and the two sides of the retaining ring are provided with horizontal slide grooves at the upper and lower parts. The left part and the right part are provided with longitudinal chute. The two protective shells include four sub-boards. The two sides of each sub-board are slidingly matched with the chute of the fixed ring and the chute of the corresponding retaining ring. Adjacent sub-boards are fixedly connected. The beneficial effect of the present invention is that the overall use effect is better, and it is suitable for popularization and use.
Owner:HEFEI PHILEX ELECTRONICS TECH

A double platform multifunctional trolley

The invention discloses a multifunctional trolley with a double-layer platform, and belongs to the field of carrying tools. The trolley comprises an upper-layer platform body, a bottom-layer platformbody and a pushing hand, the pushing hand is fixed at the rear portion of the bottom-layer platform body, the upper-layer platform body is installed over the bottom-layer platform body through a scissor-type lifting mechanism, and the scissor-type lifting mechanism is further internally provided with an upper-layer locking air spring; the bottom-layer platform body comprises a bottom-layer platform fixing frame and a bottom-layer platform retractable frame which are retractably matched, the rear portion of the bottom-layer platform fixing frame and the front portion of the bottom-layer platform retractable frame are provided with rolling wheels, a bottom-layer retractable air spring for keeping the bottom-layer platform retractable frame elastically extending out is arranged between the bottom-layer platform fixing frame and the bottom-layer platform retractable frame, and the rear portion of the bottom-layer platform fixing frame is provided with a linkage mechanism for driving the bottom-layer platform retractable frame to retract back. By means of the trolley, the flexible use of the double-layer platform can be achieved; the loading capacity of the double-layer trolley is improved, and the trolley is flexible and convenient to use and easier to operate.
Owner:CHANGZHOU INST OF TECH

A kind of coating method for growing second generation high temperature superconducting tape barrier layer composite film

The invention provides a coating method for growing a barrier layer composite film of a second-generation high-temperature superconducting strip, comprising the following steps: S1, installing the base tape on a drive system, and adjusting the vacuum degree of the coating environment; S2, turning on the drive system, Carry out forward tape running; open the cathode system, prepare the first barrier layer after target washing and coating, and close the cathode system and drive system after completion; S3, open the drive system, and carry out reverse tape running; open the cathode system, wash After target and coating, the second barrier layer is made, and the cathode system and drive system are closed after completion. The invention effectively reduces the friction of the system, increases the coating area of ​​the strip, improves the production efficiency, and reduces the manufacturing cost of the strip; at the same time, the preparation of the composite film layer through the reciprocating motion reduces the evacuation time; one cavity realizes the preparation of two materials , greatly reducing the equipment footprint. Therefore, it is more suitable for large-scale industrial production of the second-generation high-temperature superconducting tape barrier layer composite film.
Owner:SHANGHAI SUPERCONDUCTOR TECH CO LTD
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