169 results about "Outer coil" patented technology

The invention discloses an external coiling device of a constant tension machine. According to the technical scheme, the winding device comprises a winding support assembly, wherein the winding support assembly comprises a first winding support and a second winding support which are oppositely arranged; the two ends of the cloth roller are connected with a driving rotating shaft and a supporting rotating shaft through detachable structures respectively, and the driving rotating shaft and the supporting rotating shaft are oppositely arranged on the first winding support and the second winding support respectively; the driving mechanism drives the cloth roller to rotate through a driving rotating shaft; the tension roller is used for receiving the cloth input from the weaving machine and conveying the cloth to the cloth roller; and the tension detection mechanism detects the tension value of the tension roller in real time through a tension sensor. According to the scheme provided by the utility model, large-package, constant-tension and efficient and synchronous winding operation with a weaving machine can be realized.

The invention relates to the technical field of radio frequency coils, and particularly discloses a device for improving the magnetic field intensity of a partial region of a radio frequency coil, and the device comprises an outer coil which serves as a main magnetic field generation element and is used for generating a basic magnetic field in the internal space of the device; the plurality of metal small rings are uniformly and coaxially distributed in the internal space of the outer side coil in an annular array mode, and each metal small ring has one or two of the following freedom degree adjusting modes at the same time so as to adapt to scanning samples of different sizes: radial stretching: each metal small ring can be independently subjected to stretching adjustment along the radial direction of the metal small ring; and axial rotation: each metal small ring can independently rotate around the tail end of the metal small ring. The method has high adaptability to scanning samples of different sizes and shapes, can achieve the remarkable enhancement of a magnetic field in a specific area, and effectively improves the radio frequency excitation efficiency and the receiving signal-to-noise ratio.

A stator for an electric axial flux machine includes a support structure with two support discs having star extensions, a rotor shaft bearing, and coil units each arranged between two pairs of star extensions following one another in the circumferential direction and are thereby fixed in the circumferential direction. Respective end portions of each laminated core of the coil units project beyond the support structure in the axial direction. Radially external fixing ends of the star extensions project radially outwards beyond the coil units. The coil units are clamped radially in the direction of the rotor shaft bearing by a clamping ring. A stator outer shell is arranged between the support discs and radially surrounds the coil units in the circumferential direction, the stator outer shell being attached to the fixing ends of the star extensions for conjoint rotation.

The invention discloses a coil excitation Hall thruster magnetic circuit structure suitable for a krypton working medium, relates to the technical field of aerospace technology and plasma propulsion, and solves the problems of low ionization efficiency and insufficient characteristic length of an existing Hall thruster after krypton is used. A magnetic conductive inner core is arranged at one end of a bottom plate, and a magnetic conductive cover is arranged at the other end; an inner magnetic pole is arranged at the upper end of the magnetic conductive inner core; an inner coil is arranged between the inner magnetic pole and the bottom plate and corresponds to the outer side of the magnetic conductive inner core; an outer coil is arranged between the outer magnetic pole and the bottom plate and corresponds to the inner side of the magnetic conductive cover; a ceramic channel is arranged between the inner coil and the outer coil; the bottom plate comprises an inner bottom plate and an outer bottom plate, the inner bottom plate and the outer bottom plate are coaxially arranged, and a bottom plate gap is formed between the inner bottom plate and the outer bottom plate. The characteristic length of a magnetic field in a discharge channel can be remarkably prolonged, the krypton ionization efficiency is improved, and meanwhile the structure of the thruster is simplified.

The invention provides a working mode reconfigurable power division chip circuit structure and a working method thereof. The circuit structure comprises an input port tap, two output port taps, a three-wire coupling spiral coil, a grounding pole and two control switches. One input port tap is connected with a middle coil of the three-wire coupling spiral coil to serve as an incident signal input port; the two output port taps are connected with two ends of an outer side coil of the three-wire coupling spiral coil to serve as output signal output ports; the two ends of the grounding pole are connected between the tail ends of the middle coils of the three-wire coupling spiral coils through the control switches respectively. The two control switches are used for switching the working mode of the working mode reconfigurable power division chip circuit structure. According to the power divider, the connection state of the three-wire coupling spiral coil and the grounding pole is changed by switching the on-off state of the control switch, switching of two working modes of power division and balun is achieved in the same compact circuit structure, and efficient utilization of the chip size is achieved.

Disclosed is an electromechanical actuator comprising an electric motor, a coupling element and a monostable clutch (23a). The clutch (23a) comprises a central shaft (43), a mobile member (44) and a coil (45), which generates a magnetic field when this coil is powered, so as to cause the member (44) to move relative to the shaft (43). The shaft (43) comprises a core (46), a ring gear (47) and a ring (52), arranged between the core (46) and the ring gear (47). The core (46) and the ring gear (47) are in contact with the member (44) only in a second position, so as to rotate the shaft (43) as a result of grip. Furthermore, the supply to the coil (45) is implemented continuously, only while the member (44) is moving between a first position and the second position, and while the member (44) is being held in the second position.

The application provides a dust-free heat dissipation micro motor, and belongs to the technical field of micro motors.The dust-free heat dissipation micro motor comprises a shell, an opening is arranged on one side of the shell, and a rotor component is rotatable in the interior of the shell.The rotor component is composed of an even number of winding parts, the even number of winding parts are all fixed on a rotating disc, a heat exchange chamber is arranged in the interior of the winding part, two heat exchange pipelines penetrating through the rotating disc are arranged on the heat exchange chamber, air can enter the interior of the heat exchange chamber from one of the heat exchange pipelines and be discharged from the other heat exchange pipeline when the rotating disc rotates, air can enter the interior of the heat exchange chamber from one of the heat exchange pipelines when the rotating disc rotates, the pressure in the interior of the heat exchange chamber is increased, the air in the interior of the heat exchange chamber is extruded from the other heat exchange pipeline, so that the heat exchange purpose is achieved, and in addition, the coil is wound on the winding part, so that the heat generated by the coil can be cooled, and the service life of the coil is improved.

The utility model discloses a Hall thruster ceramic channel heat dissipation structure, and relates to the field of Hall thruster heat dissipation. The problem that the temperature of the ceramic wall face of a discharge channel of an existing Hall thruster is too high is solved. The device comprises a ceramic discharge channel, an annular heat pipe, an inner magnetic pole, a bottom plate, an inner magnetic screen, an outer magnetic pole, an outer coil frame and an outer magnetic screen. The heat pipe is installed between the ceramic channel and the inner magnetic screen, one end of the heat pipe is directly contacted with the wall surface of the ceramic channel, and the other end is directly contacted with the bottom plate. According to the utility model, the temperature of the ceramic wall surface is conducted to the bottom plate by using the principle of phase change in the heat pipe, and then the bottom plate directly radiates and transfers the heat to space, thereby achieving the purpose of reducing the temperature of the ceramic wall surface.

A design method for a double-layer, double-plane self-shielded coil significantly reduces magnetic field crosstalk and shielding barrel coupling effects, improving magnetic field stability and space utilization. It is suitable for coil design and integration applications in high-precision magnetic field control systems. A target field model is established based on the target magnetic field distribution, and magnetic flux constraints ensure that the external magnetic field of the coil approaches zero, thus achieving self-shielding characteristics. Subsequently, a stream function discretization method is used to obtain the coil winding path, and a mapping relationship and current scaling factor between the inner and outer coil layers are established to ensure that the double-layer coil effectively cancels out the external magnetic field while generating the target magnetic field. To further optimize magnetic field uniformity and energy distribution, this invention introduces a tornado optimization algorithm for global optimization of the coil distribution, thereby obtaining a coil structure with high uniformity and high attenuation performance. Finally, finite element simulation is performed on the coil shape to analyze whether its uniformity and attenuation meet the design requirements.

To provide an oil-immersed transformer with a simple structure that can suppress deformation. [Solution] The oil-filled transformer 1 according to the embodiment comprises a plurality of coils 2 composed of inner coils 12a and outer coils 12b arranged concentrically, an iron core 3 having legs 13 on which the coils 2 are mounted, an upper fitting 4 provided on the upper end side of the iron core 3, a lower fitting 5 provided on the lower end side of the iron core 3, and an inner circumferential support member 6 provided on the inner circumferential side of the coil 2 with its upper end supported by the upper fitting 4 and its lower end supported by the lower fitting 5, and which supports the coil 2 from the inner circumferential side and suppresses deformation by distributing and transmitting the mechanical force generated in the coil 2 to the upper fitting 4 and the lower fitting 5, wherein the upper end of the inner circumferential support member 6 is fixed to the upper fitting 4 in a range below the upper horizontal line (L10), and the lower end is fixed to the lower fitting 5 in a range above the lower horizontal line (L11).

The utility model relates to the technical field of reaction kettles, in particular to an efficient curing agent reaction kettle. According to the technical scheme, the reaction kettle is characterized by comprising a shell, a reaction kettle body is included, a stirring system is arranged on the reaction kettle body, an outer coil pipe is arranged on the outer side of the reaction kettle body, a heat source inlet is formed in the bottom end of the outer coil pipe, a heat source outlet is formed in one side of the outer layer of the outer coil pipe, and supporting angle steel is arranged on one side of the inner wall of the reaction kettle body; connecting angle steel is arranged at the end of the supporting angle steel in the direction parallel to the reaction kettle body, one end of the connecting angle steel is arranged on the reaction kettle body, an inner coil pipe is arranged on the connecting angle steel, an inlet is connected to the upper end of the inner coil pipe, an outlet is formed in the lower end of the inner coil pipe, and a plurality of temperature control mechanisms are further arranged on the connecting angle steel. The utility model provides an efficient curing agent reaction kettle, in order to realize uniform temperature of reaction materials in the reaction kettle and improve the operation efficiency and quality, the efficient curing agent reaction kettle can ensure the heating efficiency and uniform temperature of the reaction materials according to the temperature requirement of a production process, and is beneficial to proceeding of chemical reaction; and in addition, the structure is simple and compact, and the operation is convenient.

According to the high-sensitivity array type abrasive particle detection device, an excitation module is composed of an inner excitation coil, an outer excitation coil and an excitation source, the inner excitation coil and the outer excitation coil are wound in the same direction, and synchronous current is applied to the inner excitation coil and the outer excitation coil, so that a zero-magnetic-flux detection area is constructed between the inner excitation coil and the outer excitation coil; the detection module is a detection array composed of a plurality of induction coils, each induction coil is located in a zero magnetic flux area, when no to-be-detected object passes through the detection area, the induction voltage of the induction coils is zero, and when the to-be-detected object passes through the detection area, the magnetization and eddy current effect of the metal abrasive particles breaks the magnetic field balance, which is represented as the voltage change of the induction coils; the detection channel is located in an inner hole of the induction coil and used for ensuring that the to-be-detected oil sample passes through the detection area. The detection device provided by the invention can realize high-precision rapid detection of the metal abrasive particles in the oil, and is of great significance to fault diagnosis of rotating and reciprocating machinery.

toroidal coil arrangement (10), comprising - a toroidal outer coil (12) with a plurality of electrically interconnected outer windings enclosing an outer coil interior, and - a toroidal inner coil (14) arranged concentrically to the outer coil (12) within the interior of the outer coil, with a plurality of electrically interconnected inner windings, wherein each of the coils (12, 14) has a pair of terminals (121; 141) for its separate electrical contacting, characterized by that the outer coil (12) has two open ring rails (122a,b) running at a constant distance from each other, defining an annular gap (124) between them, which are connected to each other by conductor arcs (123) distributed evenly over their circumference, forming the outer windings.

The transformer comprises a winding framework, an inner coil, an isolating membrane, an outer coil, an upper magnetic block, a lower magnetic block and a guide pin, the winding framework comprises a winding groove and a through hole penetrating through the winding groove, the inner coil, the isolating membrane and the outer coil are sequentially arranged on the winding groove in a sleeved mode, and the upper magnetic block and the lower magnetic block are the same in structure. The upper magnetic block comprises a middle magnetic core and an outer magnetic core, the middle magnetic core is arranged in the through hole, the outer magnetic core is arranged on the side face of the winding framework, and the middle magnetic core and the outer magnetic core form a containing cavity to wrap the inner coil and the outer coil. Only one winding groove is formed in the winding framework of the transformer, the inner coil and the outer coil of the transformer are wound on the winding groove at the same time, the structure is simple, and installation is convenient. And the inner coil and the outer coil are separated through the isolating membrane, so that the inner coil and the outer coil can be conveniently wound, and the safety of the transformer is also improved.

A coil body (32) is provided with substrates (34) which are formed using an insulating material in a shape extending in the radial direction and which are laminated in the axial direction. Furthermore, the coil body (32) has a magnetic field generation unit (80) which is formed on the substrate (34) using a conductive material, and which generates a rotating magnetic field when energized. Furthermore, the coil body (32) has a reinforcing part (70) formed in a region different from the region in which the magnetic field generating part (80) is formed on the surface of the substrate (34) facing the axial direction. The reinforcing part (70) reinforces the substrate (34).

This invention belongs to the field of cable winch technology and discloses a self-buffered braking cable winch, including a control base, a tension-adaptive adjustment winding and unwinding mechanism, a follow-up cable laying mechanism, a follow-up pressing mechanism, and a bidirectional check mechanism. The tension-adaptive adjustment winding and unwinding mechanism includes a winding and unwinding assembly, a diameter-changing assembly, and a tension control assembly. The bidirectional check mechanism is installed on the front and rear sides of the control base and connected to the winding and unwinding assembly. Through this method, the diameter-changing assembly expands outward according to the number of turns of the cable winding and unwinding, providing outward tension to the inner coil of cable on the diameter-changing assembly. This ensures that the inner and outer coils of cable are tightly attached, preventing insufficient cable tension during winding and unwinding, which could cause the inner coil of cable to slip. Furthermore, the transverse pressing assembly provides pressing force to both the inner and outer coils of the cable roll, further improving the quality of cable winding and unwinding.

A magnetically conductive core includes a monolithic multilayer film extending continuously along a length between opposing first and second longitudinal ends of the multilayer film and wound to form a plurality of substantially concentric coil loops. The plurality of substantially concentric coil loops have an average height H1 in the height direction of the core and a maximum lateral dimension D1 in the in-plane direction of the core, where D1 / H1 > = 2. The multilayer film includes a plurality of substantially co-extending layers including at least one magnetically conductive layer and at least one adhesive layer that bonds concentric coil loops to each other. For at least one pair of an inner coil and an outer coil of the plurality of substantially concentric coil loops, the inner coil and the outer coil have a relative permeability that differs by at least 10% at the same frequency in the range of about 10 kHz to about 10 MHz.

The utility model provides a quality enhancing device for communication inside and outside a human body, which comprises a metamaterial signal enhancing device, an in-vivo coil module and an in-vitro coil module, wherein the in-vivo coil module and the in-vitro coil module adopt the metamaterial signal enhancing device to enhance receiving and transmitting of wireless signals. The metamaterial signal enhancement device comprises a dielectric substrate, a metal resonant ring and a compensation capacitor, wherein the in-vivo coil module is implanted in a human body, and the metamaterial signal enhancement device used for enhancing communication signals of the in-vivo coil module is installed on the skin of the body surface of the human body ripped by the implanted in-vivo coil; wherein the in-vivo coil module and the in-vitro coil module are wirelessly connected through magnetic resonance matching by means of a metamaterial signal enhancement device. According to the utility model, the metamaterial is introduced, so that the communication mode effectively enhances the signal strength and improves the stability of signal transmission on the basis of ensuring extremely low path loss, and internal and external communication of a human body is realized.

Inductive charging device for a vehicle charging system comprising: a housing; a flat coil with radially consecutive coil turns wound around a winding axis, having a maximum radial span corresponding to a maximum distance between an innermost portion of an innermost coil turn and an outermost portion of an outermost coil turn; magnetic conductors arranged around the winding axis, comprising corner magnetic conductors (CMC) arranged in housing corner regions each CMC overlapping with the coil turns and protruding inwardly and outwardly; an inward protrusion of a CMC beyond the innermost portion of the innermost coil turn along a diagonal axis is less than / equal to 20 % of the maximum radial span, an outward protrusion of a CMC beyond the outermost portion of the outermost coil turn along a diagonal axis is less than / equal to 10 % of the maximum radial span.

This invention provides a winding method that leads to increased space utilization of motor windings and miniaturization of motors. [Solution] By using removable winding guides 21, 22, and 23 to align and efficiently direct-wind the windings 13 of a fully wound switch reluctance motor SRM, the space utilization ratio within the slot is greatly improved. In addition, the winding connections at the coil ends are grouped and arranged separately in the circumferential direction for each group, making winding easier, reducing the amount of insulating paper, and reducing the axial length of the coil ends. Furthermore, design changes, production of various types of motors, and production of small-lot motors are relatively easy. As a result, it leads to higher efficiency, miniaturization, weight reduction, and lower costs for the motor.

The utility model belongs to the technical field of wireless charging devices, and particularly relates to a wireless charging device, which comprises a wireless transmitting mechanism and a transmitting coil, and further comprises a cabinet in which the wireless transmitting mechanism is detachably arranged; the coil panel is detachably arranged outside the cabinet, a transmitting coil is detachably arranged on the inner side of the coil panel, and the transmitting coil is connected with the wireless transmitting mechanism through a circuit penetrating through the inside and the outside of the cabinet; and the wading frame is detachably arranged below the cabinet. According to the utility model, a modularized integration mode is adopted for installation, the whole body is integrated in the cabinet, the whole body is compact, no extra space is occupied, and the cabinet is more concise and beautiful. According to the utility model, through the design of the wading frame, the overall height of the cabinet is increased, and the risk of water immersion is avoided when the cabinet is used in an outdoor environment.

This utility model belongs to the field of vehicle technology, specifically relating to a drive structure, an electric drive system, and a vehicle. The drive structure includes: an integrated motor comprising a stator, an outer rotor, and an inner rotor, the stator being located between the outer rotor and the inner rotor, the stator having an outer coil and an inner coil, the outer coil being located inside the outer rotor and the inner coil being located outside the inner rotor; and a transmission assembly connected to the outer rotor and the inner rotor, and respectively connected to the wheels on both sides of the vehicle body.

A torque coil (two-layer coil structure) of the disclosed embodiments includes an inner coil formed by spirally winding metal wire, and an outer coil arranged to be in close contact with the outer periphery of the inner coil and formed by spirally winding metal wire. A winding direction of the inner coil and a winding direction of the outer coil are opposite from each other, and when the torque coil is twisted in the circumferential direction in which the diameter of the inner coil is increased, a change amount of the diameter of the outer coil is larger than a change amount of the diameter of the inner coil. The two-layer coil structure has high twisting rigidity, thus suppressing the occurrence of kinks due to rotational resistance.

A stator of a rotating electrical machine comprises three-phase coils and a stator core, which has a tubular yoke and several teeth. The coil of each phase comprises four or more coil former sections formed by a winding that is condensed around every third tooth in the circumferential direction, as well as a connecting wire, a winding start wire, and a winding end wire, which are sections of the winding. All connecting wires of the three-phase coils extend in the same direction circumferentially from one to the other of the two coil former sections that form the coil set. The winding start wires of the three-phase coils or the winding end wires of the three-phase coils are electrically connected to each other to form a neutral point.

The utility model provides a double-stator cooling structure sharing an iron core and a motor. The core-shared dual stator cooling structure may include a stator core and a stator end cap. The stator core comprises a plurality of inner stator slots and a plurality of outer stator slots, inner coils are arranged in the inner stator slots, and outer coils are arranged in the outer stator slots. Oil inlet channels are arranged between the inner stator grooves and the outer stator grooves, and a plurality of oil outlet channels are arranged between the inner stator grooves and between the outer stator grooves. The stator end cover is arranged at one axial end of the stator iron core and forms an annular groove, and the annular groove wraps the structures, protruding out of the stator iron core, of the inner coil and the outer coil. An oil guide part protruding towards the stator core is arranged in the stator end cover, the oil guide part is located between the inner coil and the outer coil in the radial direction of the stator core, and cooling oil can enter the stator end cover at one axial end from the other axial end through the oil inlet channel and then can return to the other axial end of the stator core through the oil outlet channel.

The utility model discloses a double-helix heat exchanger coil pipe, which comprises an inner coil pipe, an outer coil pipe and an inner coil pipe, the outer coil pipe is arranged on the periphery of the inner coil pipe in a surrounding mode, and the top of the outer coil pipe communicates with the upper end of the inner coil pipe through a U-shaped pipe; the thickness and the horizontal height of the inner side end of the inner coil pipe are larger than those of the outer side end of the inner coil pipe, the thickness and the horizontal height of the outer side end of the outer coil pipe are larger than those of the inner side end of the outer coil pipe, and the section structure of the inner coil pipe and the section structure of the outer coil pipe are symmetrically arranged. Wherein a threaded pipe layer is arranged on the outer side of the outer coil pipe, and air holes are formed in the threaded pipe layer. The device has the following beneficial effects that the inner coil pipe and the outer coil pipe are arranged to be bent pipelines, meanwhile, the heat exchange area of the inner coil pipe and the outer coil pipe with heat flow under the same horizontal width is increased through the structural arrangement, and the flowing time and the stopping time of the heat flow in interlayer pipelines are prolonged; and the overall heat exchange capacity of the device is further improved.

The invention relates to a device (1) for winding coils (2) without said coils crossing in a plurality of winding steps for one coil group. The device comprises at least two winding formers (3, 4) which are movable telescopically one inside the other, extend in parallel and rotate about a common axis of rotation (24). Each winding former is equipped with a guide rail (5) on which a first telescopic rail (6) is guided, which in turn bears a second telescopic rail (7). In the first operating position (8), the two telescopic rails (6, 7) are fully retracted, as a result of which a first chamber (9) for winding an inner coil (21) is provided. In a second operating position (11), the first telescopic rail (6) is offset in relation to the guide rail (5) in order to create a second chamber (12) for winding a central coil (22). In the third operating position (41), the second telescopic rail (7) is offset in relation to the first telescopic rail (6), as a result of which a third chamber (13) for winding an outer coil (23) is provided. After the winding process, the coils (21, 22, 23) are arranged concentrically to one another in the device (1).

The technical concept of the present invention provides a substrate processing apparatus for processing a substrate, comprising: a chamber having a processing space inside; a substrate support member supporting a substrate in the processing space; a gas supply member supplying a process gas in the processing space; a plasma source exciting the process gas in the processing space into a plasma state; and a magnetic field forming member disposed on the chamber and configured to form a magnetic field in the region where the plasma is generated inside the processing space, wherein the magnetic field forming member comprises an inner coil wound in a first direction, an outer coil wound in a second direction opposite to the first direction and formed integrally with the inner coil, and a power source supplying power to the inner coil and the outer coil.

The invention provides a current transformer, and belongs to the technical field of transformers. The current transformer provided by the invention comprises a shell, a winding monomer, an outer coil and an outer pin, wherein the axis direction of the shell is a first direction; the winding single bodies are packaged in the shell, the multiple winding single bodies are arranged in a stacked mode in the first direction, and each winding single body comprises an inner coil and an inner pin set connected with the wiring end of the inner coil; the outer coil is wound on the periphery of the shell; the outer pin is connected with the wiring end of the outer coil; the inner pin group and the outer pin group jointly form a pin group, part of the pin group is exposed out of the shell, part of the pin group is packaged in the shell, and the pin group is used for realizing circuit conduction between the outer coil and the inner coil and external equipment. According to the invention, the two terminal studs of the coil are fixed by using the pins, so that the lead-out position of each winding single body can be well distinguished to avoid confusion, and meanwhile, the effect of protecting the coil terminal can also be achieved to avoid pull-apart or scratching.