18results about "Transformers/coils connectors" patented technology

A high-frequency transformer assembly test production line disclosed by the present invention comprises a bearing frame, a feeding conveyor belt machine and a shell seat member, the upper end of the bearing frame is provided with an alternating disc capable of intermittently rotating through a servo motor assembly fixedly connected in the bearing frame, and a bracket of the bearing frame is provided with a test mechanism used for high-frequency transformer inspection. The feeding conveying belt machine and the discharging conveying belt machine are respectively provided with a feeding and taking mechanism used for automatic feeding of the high-frequency transformer and a feeding and taking mechanism used for automatic taking and placing of the high-frequency transformer, and the shell base piece is provided with a communication mechanism used for protection type indirect butt joint between pins of the high-frequency transformer and the testing mechanism. According to the high-frequency transformer assembling and testing production line, pins of the high-frequency transformer can be inserted easily without hindering, deformation and bending caused by hindering due to angle deviation of the pins are avoided, the pins are prevented from being damaged in the testing process through protection type indirect butt joint, and the accuracy of the testing effect is guaranteed.

The invention relates to a self-locking connecting device and a connecting method thereof.The self-locking connecting device comprises a cable, a base, a clamping block, a first adjusting bolt, a clamping device and an insulating box, the cable comprises an insulating layer and a copper wire wrapped in the insulating layer, a mounting groove is formed in the base, the clamping block is arranged in the mounting groove, and the first adjusting bolt is arranged in the mounting groove; a first wavy curved surface is arranged on the inner wall of the mounting groove, a second wavy curved surface is arranged on the surface of the clamping block, the first wavy curved surface and the second wavy curved surface are oppositely arranged, a clamping space is defined by the first wavy curved surface and the second wavy curved surface jointly, and the first adjusting bolt is in threaded connection with the base to achieve rotary mounting. One end of the first adjusting bolt is rotationally connected with the clamping block, the clamping device is installed on the upper side of the base and used for clamping the column head of the transformer, and the insulation box is detachably arranged outside the base in a sleeving mode; the contact area between the device and the cable is increased, the friction force and the clamping force are improved, and the overload capacity can be improved.

The present invention discloses a press-fit connector and a wireless charging coil module, the press-fit connector is connected to a package module, the package module can be inserted and matched with an external module, wherein the press-fit connector comprises: a connector housing having at least one press-fit terminal disposed thereon, the press-fit terminal being formed with a plug end protruding from the connector housing; and a flexible adjustment member connected between the connector housing and the package module, the flexible adjusting member being capable of adjusting an interface position of each plug end and each inserting slot of the external module in a state that the package module is interfaced with the external module. With the press-fit connector and the wireless charging coil module of the present invention, it is possible to save the welding process cost of at client side and facilitate plug and play by the client.

This invention discloses a transformer lead fixing device with deformation self-compensation function, relating to the field of transformer technology. The invention includes a fixing plate fixed to the transformer housing, a lead fixing component, a deformation self-compensation mechanism, and a pin mechanism. The deformation self-compensation mechanism includes a clamping component fixed to the end of the lead and multiple stops disposed on the fixing plate. The clamping component has a multi-segmented bent elastic structure, and the stops have inclined abutment surfaces. The pin mechanism adjustably mounts the lead fixing component to the fixing plate. When the lead fixing component is driven to move closer to the transformer housing, the clamping component and the inclined abutment surfaces of the stops abut against each other, generating elastic deformation and achieving electrical contact between the clamping component and the terminal block. This invention, through the multi-segmented bent elastic structure of the clamping component and the unidirectional displacement adjustment of the pin mechanism, achieves adaptive compensation for deformation caused by thermal expansion and contraction and vibration, ensuring long-term stable electrical contact between the terminal block and the lead, and facilitating subsequent maintenance and adjustment.

The invention relates to a cable unit designed for connecting a gradient coil, which is designed to generate a magnetic field gradient in one spatial direction, to a power amplifier, comprising at least one supply line, wherein the supply line comprises at least two cable elements in at least sections, wherein the at least two cable elements are electrically connected in parallel.

The application discloses a 10kV pole-mounted transformer low-voltage post head large-current protection device, and relates to the technical field of transformers, which comprises a base body, a plurality of groups of wiring terminals and a plurality of groups of low-voltage post heads on a mounting plate and a table top; and a current leading part comprising a current leading plate, a support plate and a leading terminal; the current leading plate can lead the current of the low-voltage post head to the end thereof. The application has the beneficial effects that the heat generation of the low-voltage post head is reduced by prolonging the current path. The long-distance design of the current leading plate disperses the heat during the transmission of the current, avoids the local overheating phenomenon and prolongs the service life of the device. The design of the support plate and the support column ensures the stable transmission of the current and reduces the safety hazards. The insulation performance of the support plate prevents the current leakage and improves the safety of the whole device. The design of the leading terminal and the fixing part ensures the firmness and reliability of the wire connection and reduces the faults caused by poor connection.

The invention discloses a lead wire device for three-phase short circuit of a transformer, and relates to the technical field of lead wires, the lead wire device comprises an operating rod and a clamping mechanism, the clamping mechanism comprises an insulating rod, a screw rod, a fixed chuck and a movable chuck, the fixed chuck is fixedly installed at the top of the screw rod, the movable chuck is slidably sleeved on the screw rod, and the insulating rod is connected with the operating rod. The insulating rod is in threaded connection and cooperation with the screw rod through the threaded sleeve so as to drive the movable chuck and the fixed chuck to be opened and closed. The operating rod and the insulating rod are rotationally connected through a swing mechanism so as to adjust the angle of the clamping mechanism. By rotating the operating rod, the movable chuck can abut against the grading ring upwards, the movable chuck and the fixed chuck are matched to lock and clamp the grading ring, connection is firm and stable, the problems of swinging, slipping, virtual connection and the like are solved, wire leading operation can be conducted on the ground, and safety is high; and the operating rod and the insulating rod are connected through the swing mechanism, so that the clamping angle of the clamping mechanism can be adjusted, and the grading ring can be clamped conveniently.

The invention discloses a wiring device used on a transformer, and relates to the field of transformer wiring, the wiring device comprises a transformer body and a metal wiring device installed on a wiring stud of the transformer body, the metal wiring device comprises a fixing block and a wiring block, the fixing block is provided with a metal sleeve, and the wiring block is provided with a wiring hole. The metal sleeve is connected to the wiring stud in a threaded fit mode, a first groove and a second groove are formed in the inner wall of the metal sleeve, the metal sleeve rotates downwards, the grinding block can move in a matched mode along the track of a threaded groove firstly, the threaded groove of the wiring stud is ground, protrusions and burrs on the threaded groove are removed, and after the grinding block moves, the metal sleeve is fixed to the wiring stud. The silver block moves along the moving track of the polishing block, due to the fact that the material of the silver block is soft, when the silver block encounters a concave part in the thread groove, the silver block rubs with the concave part, and therefore the concave part is filled with silver scraps falling off through friction, and the conductive effect is enhanced.

The invention discloses a tool-wiring-free transformer power-off protection device and a use method thereof, and relates to the technical field of transformer power-off protection, the tool-wiring-free transformer power-off protection device comprises a shell, a state lamp arranged on one side of the top of the shell, a power-off switch arranged on one side of the middle of the shell and used for executing a power-off protection action, and a wiring mechanism arranged at the bottom of the shell, the wiring mechanism is connected with a cable, and the wiring mechanism is used for electrically connecting the cable with the power-off switch. The exposed wire core part of the cable is connected and fixed through the wire core connecting mechanism, then the wire core connecting mechanism is placed in the connecting sleeve, then the connecting sleeve is fixed to the fixing sleeve through cooperation of the elastic assembly and the fixing assembly, and the power connection sub-end and the power connection main end are made to be in contact and powered on. According to the design, cable connection can be achieved without any auxiliary tool, connection operation is simple and convenient, and the cable connector can be suitable for a limited operation space.

The invention relates to the technical field of metering combined mutual inductors, in particular to a modular metering 10kV combined mutual inductor which comprises a mutual inductor body, a mounting seat fixed at the bottom end of the mutual inductor body and a junction box body fixed outside the mutual inductor body. When the 10kV combined mutual inductor for modular metering is used, rapid opening and closing of the junction box cover can be achieved without disassembling screws one by one, the outdoor installation and maintenance process is greatly simplified, the 10kV combined mutual inductor is particularly suitable for aerial work scenes, fixing or unlocking of the junction box cover can be completed only by controlling the rotating direction of the rotating block, the hidden danger that the screws fall off and are lost is avoided, and the working efficiency is improved. And the installation and maintenance efficiency of the junction box cover is obviously improved. And meanwhile, through the arrangement of a limiting rod and an extrusion positioning assembly, a wiring bolt in the wiring box body can be propped against and limited after the wiring box cover is closed, so that looseness caused by factors such as vibration and temperature change in the use process is avoided, and the connection stability is guaranteed.

The present invention discloses a lead wire structure and an electric transformer containing the same, belonging to the technical field of transformers. It comprises a lead seat, a first lead terminal, a second lead terminal and a connector. After the connector rotates, the first lead terminal is pushed to be deformed by force, the first lead terminal is kept in contact with the second lead terminal, and the second lead terminal is kept restricted on the first lead terminal. The lead wire structure adopts an inserting structure, and by rotating the connector, the first lead terminal is kept under force, deformed, and in contact with the second lead terminal to achieve electrical connection. At the same time, when the first lead terminal is connected to the transformer body, it is only necessary to rotate the rotating part, ensuring that the electrical connection components are connected together before and after installation, and do not need to be disassembled and installed separately. It can effectively improve the connection strength and conductive performance between the first lead terminal and the transformer body, reduce the risk of parts falling during installation, and improve the installation efficiency of the lead wire structure.

The present invention discloses a press-fit connector and a wireless charging coil module, the press-fit connector is connected to a package module, the package module can be inserted and matched with an external module, wherein the press-fit connector comprises: a connector housing having at least one press-fit terminal disposed thereon, the press-fit terminal being formed with a plug end protruding from the connector housing; and a flexible adjustment member connected between the connector housing and the package module, the flexible adjusting member being capable of adjusting an interface position of each plug end and each inserting slot of the external module in a state that the package module is interfaced with the external module. With the press-fit connector and the wireless charging coil module of the present invention, it is possible to save the welding process cost of at client side and facilitate plug and play by the client.

The present application relates to the technical fields of metering combined mutual inductor, in particular to a modular metering 10kV combined mutual inductor, which comprises a mutual inductor body, a mounting seat fixed at the bottom end of the mutual inductor body, and a terminal box body fixed outside the mutual inductor body. By setting the opening and closing assembly, the modular metering 10kV combined mutual inductor can realize the quick opening and closing of the terminal box cover without disassembling the screws one by one, greatly simplifying the outdoor installation and maintenance process, especially suitable for high-altitude operation scenes. By controlling the rotating direction of the rotating block, the terminal box cover can be fixed or unlocked, avoiding the hidden danger of screw loss, and significantly improving the installation and maintenance efficiency of the terminal box cover. At the same time, by setting the limiting rod and the extrusion positioning assembly, the terminal box body inside the terminal box cover can be limited after being closed, avoiding loosening caused by factors such as vibration and temperature change during use, and ensuring the connection stability.

The invention discloses a transformer lead fixing device with a deformation self-compensation function, and relates to the technical field of transformers. The device comprises a fixed plate fixed on a transformer shell, a lead fixing piece, a deformation self-compensation mechanism and a bolt mechanism, the deformation self-compensation mechanism comprises a clamping piece fixed at the end part of the lead and a plurality of stop blocks arranged on the fixed plate, the clamping piece is provided with a multi-section bent elastic structure, and the stop blocks are provided with inclined propping surfaces; the lead fixing piece is adjustably installed on the fixing plate through the plug pin mechanism, when the lead fixing piece is driven to move in the direction close to the transformer shell, the clamping piece abuts against the inclined abutting face of the check block to generate elastic deformation, and electric contact between the clamping piece and the wiring terminal is achieved. Through the multi-section bending elastic structure of the clamping piece and one-way displacement adjustment of the bolt mechanism, self-adaptive compensation of deformation caused by thermal expansion, cold contraction and vibration is achieved, long-term stable electric contact between the wiring terminal and the lead is ensured, and later maintenance and adjustment are facilitated.

Devices may include an electrically insulating interface body including a first end portion, a second, opposite end portion, and an intermediate portion therebetween. An electrically conductive connector may be positioned at least partially within the interface body and may extend from the first end portion toward the second end portion. An opening may be in the intermediate portion of the interface body. The connector may include a first coupling feature configured to electrically couple to a conductive cable, a second coupling feature configured to electrically couple to a transformer electrical connector post, and an electrical connection point between the first coupling feature and the second coupling feature. The opening of the interface body may expose the electrical connection point. Various other related devices, systems, and methods may employ such features.

The invention discloses a transformer production lead assembling device and an assembling method thereof, and relates to the technical field of transformer production, the transformer production lead assembling device comprises a sleeve and a limiting assembly, the limiting assembly is arranged on one side of the sleeve, the limiting assembly comprises a slot, the slot is formed in the outer wall of the sleeve, and a limiting plate is arranged in the slot; one side of the limiting plate is connected with a threaded sleeve, the inner side of the threaded sleeve is in threaded connection with a threaded rod, the periphery of the sleeve is symmetrically connected with limiting springs, one end of each limiting spring is connected with a pressing plate, and the two sides of the pressing plate are symmetrically and slidably connected with limiting rods. During use, the cutting depth of the cutter can be limited, damage to an internal wire harness during stripping of an insulating layer of a lead is avoided, in the stripping process after cutting is completed, conductive paste and an aluminum armor tape can be immediately smeared and wrapped on the wire harness, the smearing uniformity can be guaranteed, and the stripping efficiency is improved. And the adverse effect on the conductive effect caused by non-uniform coating of the conductive paste is avoided.

A cable unit designed for connecting a gradient coil, which is embodied to generate a magnetic field gradient in one spatial direction, to a power amplifier, having at least one feed line, wherein the feed line comprises at least two cable elements at least in sections, and the at least two cable elements are connected electrically in parallel.