1996results about "Rotary current collector" patented technology

A retractable slip ring transmission mechanism is disclosed, including a housing, a connecting wire, a telescopic component, and a transmitting component. The connecting wire is wrapped around the telescopic component, and the telescopic component is rotatably provided in the housing. The telescopic component includes a first fixed part, an elastic part and a second fixed part. The second fixed part is provided with a holding compartment on one side for placing the elastic part, and the holding compartment is provided with an opening. One end of the elastic part is provided on the outside of the holding compartment, and the other end of the elastic part is coiled within the holding compartment through the opening. Through improvement of the transmitting component, the structure is optimized, which not only can reduce the production process and lower the production cost, but also can increase the power transmission of the product.

A pedal includes a pedal body, a force detection module, a rotation shaft, an insulating sleeve, electrically conductive rings, and contact elements. The pedal body has a first accommodating space and a second accommodating space. The force detection module is disposed in the first accommodating space. The rotation shaft passes through the pedal body. Annular accommodating regions and wire perforations are recessed from a surface of the rotation shaft. Transmission wires pass through the wire perforations. The insulating sleeve is sleeved on the rotation shaft. Annular insulating regions are recessed from a surface of the insulating sleeve and correspondingly cover the annular accommodating regions. The electrically conductive rings are respectively sleeved on surfaces of the annular insulating regions, and the transmission wires are correspondingly coupled to the electrically conductive rings. The contact elements abut against the electrically conductive rings, respectively.

The invention discloses a grounding device for a driving shaft of a motor. The grounding device comprises a motor shell and the driving shaft, the rubber pad is arranged at the top of the motor shell; the grounding assembly is arranged at the top of the rubber pad and comprises a conductive part, a pressurizing part is arranged in the conductive part, a second dismounting part is arranged in the conductive part, when the driving shaft rotates, the conductive outer ring and the conductive inner ring are driven to rotate, and the conductive block is limited by the L-shaped conductive plate and the conductive rod and cannot rotate; a conductive block is in contact with a conductive inner ring to form closing of a conductive circuit, meanwhile, a first spring pulls a conductive piece leftwards, and then a conductive rod and an L-shaped conductive plate are pulled, so that the conductive block makes contact with the inner wall of the conductive inner ring all the time, and even if abrasion is generated between the conductive block and the conductive inner ring, the conductive circuit is closed. And the conductive block can still move in a first spring pulling mode, and it is guaranteed that the conductive block makes contact with the inner wall of the conductive inner ring all the time.

The invention relates to a rotary connector, in particular to a rolling type rotary connector which comprises a supporting frame, a rotary shaft rotationally arranged in the supporting frame and a contact assembly arranged between the supporting frame and the rotary shaft. The contact assembly comprises an outer insulating ring arranged on the inner wall of the supporting frame, an outer conducting ring arranged on the inner wall of the outer insulating ring, an inner insulating ring arranged on the outer wall of the rotating shaft and an inner conducting ring arranged on the outer wall of the inner insulating ring, and an elastic ring is nested between the inner wall of the outer conducting ring and the outer wall of the inner conducting ring; and a hole for increasing the elasticity of the elastic ring is formed in the wall body of the elastic ring. The plurality of holes are distributed on the wall body of the elastic ring in the rolling type rotary connector, so that the elasticity of the elastic ring can be increased, the processing difficulty can be reduced, and the contact stability of the elastic ring and the inner and outer conducting rings can be improved on the premise of not changing the wall thickness of the elastic ring.

To ensure a stable conductive path with higher conductivity.SOLUTION: A brush unit 20 abuts against an axial conductive portion 10 provided on a rotating shaft 2 to electrically connect a housing 4 and the axial conductive portion 10. The brush unit 20 includes: a holder 21; a brush 22 abutting against the axial conductive portion 10 through a first opening H21a provided in the holder 21; a spring 23; a cylindrical sleeve 24 that holds the brush 22; an electrode 25; and a wiring 26 that connects the brush 22 and the electrode 25. The electrode 25 is sandwiched between a second protruding portion 21b of the holder 21 and the sleeve 24.SELECTED DRAWING: Figure 1

A rotating brush assembly for an electric motor, including a commutator and a plurality of brushes, each of the brushes rotatingly mounted on an axle disposed between arms coupled to respective first and second brush holders, wherein the brush holders are urged toward said commutator with a spring, and wherein the brushes rotate in a direction opposite the direction in which the commutator rotates.

The invention discloses an anti-interference system for a slip ring communication technology, and belongs to the technical field of communication. Aiming at the problems of electromagnetic interference, mechanical vibration and unstable contact of monocrystalline silicon furnace equipment, a collaborative solution is provided. The system comprises a conductive slip ring assembly, a dynamic shielding module, an asymmetric differential transmission module, an intelligent filtering module, an environment sensing module and a contact impedance compensation module, and real-time cooperative control is realized through a bus controller. The dynamic shielding module adopts a liquid metal micro-channel layer and a piezoelectric driving layer, the shielding density is dynamically reconstructed according to the electromagnetic interference frequency band and the vibration intensity, and broadband noise is suppressed; the asymmetric differential transmission eliminates common-mode interference through dynamic phase compensation; the intelligent filtering module adaptively adjusts parameters of a band elimination filter based on a deep learning model, and accurately suppresses time-varying interference; the carbon nanotube composite electric brush stabilizes contact impedance through a pressure feedback mechanism. The system is obviously superior to a traditional static shielding and fixed filtering scheme, and reliable communication requirements are guaranteed.

Presented are separately excited motor (SEM) drive systems, methods for making / using such systems, and vehicles equipped with such systems. A motor drive system includes a rechargeable battery unit and a multilevel power factor correction (PFC) device interposed between and electrically connecting the battery unit and an electric power source. The battery unit and PFC device are electrically connected via a traction inverter module (TIM) device and a multilevel power transfer circuit (PTC) device. The TIM contains multiple pairs of TIM switches, and the PTC device contains multiple PTC switches. An SEM unit contains a rotor assembly, which includes a rotor core bearing a rotor winding, and a stator assembly, which includes a stator core bearing multiple stator windings electromagnetically paired with the rotor winding. Each stator winding is electrically connected to a respective pair of TIM switches, whereas the rotor winding is electrically connected to the PTC switches.

The invention discloses a power supply system of a brush holder on-line monitoring device. The power supply system comprises an electrical connecting piece, a first contact, a third contact and a second contact, the two electric connecting pieces are arranged on the bottom surface of the brush holder, one end of each electric connecting piece is connected with a power supply interface on a conductive ring of the brush holder, the other end of each electric connecting piece is connected with two first contacts, the first contacts penetrate through the brush holder, the corresponding connecting ends of the first contacts extend out of the top surface of the brush holder, and each first contact is provided with a telescopic structure; the two second contacts are arranged on the brush holder, the two third contacts are arranged on the brush holder, the third contacts are respectively connected with the two second contacts through conductive structures, and the brush holder on-line monitoring device is arranged in a handle of the brush holder and is electrically connected with the third contacts; and when the brush holder is inserted and fixed on the brush seat, the two first contacts are respectively connected with the two third contacts through the telescopic structure in a propping manner. Through the structural arrangement of the application, the on-off of the power supply of the on-line monitoring device is synchronized with the plugging of the brush holder, no additional action is needed, the risk of misoperation is reduced, and the workload is reduced.

The invention discloses a motor brush material for intelligent household appliances and a preparation method thereof, and the preparation method comprises the following steps: mixing matrix graphite powder with a composite binder to prepare mixed particles, and crushing, screening and mixing to prepare brush matrix powder; the method comprises the following steps: preparing powder into a brush green body through compression molding, roasting the green body under the protection of a combined atmosphere of nitrogen and hydrogen to prepare a brush cooked body with a porous structure, and carrying out negative pressure dipping treatment on the brush cooked body to prepare the brush material. The prepared electric brush material has the advantages of being long in service life, good in reversing performance, low in spark grade, low in noise, capable of reducing heating during motor operation, capable of improving energy efficiency and the like.

The present application discloses a conductive slip ring and a semiconductor process device. The disclosed conductive slip ring is applied to a process chamber of the semiconductor process device. The conductive slip ring comprises a housing, a fixed electrical connection part, and a rotating electrical connection part. The housing is provided with a housing cavity and a first mounting hole in communication with the housing cavity, and the housing is used to be sealingly connected to the process chamber, so that the housing cavity is in sealed communication with a chamber space of the process chamber. The fixed electrical connection part is in sealing fit with the first mounting hole, a first end portion of the fixed electrical connection part extends into the housing cavity and is relatively rotatably electrically connected to the rotating electrical connection part, and a second end portion of the fixed electrical connection part is located outside of the housing and is used to be electrically connected to a power supply. The rotating electrical connection part is rotatably disposed in the housing and is used to be electrically connected to an electrical device in the process chamber. According to the solution, the problem in the related art of a poor sealing effect due to use of a magnetic fluid structure in a process chamber for implementing sealing between the process chamber and the external environment of the process chamber can be solved.

The utility model discloses a commutator pressing position finding device. The device is arranged on a rack, a rotating disc assembly is rotationally arranged on the rack, the rotating disc assembly comprises a rotating disc body and a plurality of explorators which are arranged on the peripheral side of the rotating disc body and used for magnetically attracting rotors, and a commutator downward-pressing position finding device is arranged to be in butt joint with the moving paths of the explorators; the device comprises a mounting seat, a positioning mechanism and a rotary pressing mechanism, the positioning mechanism is arranged on the mounting seat, is parallel to the explorator, and is used for being matched with the explorator to fix the rotor; and the rotary pressing mechanism is connected to the mounting seat, is relatively arranged above the explorator, and is used for driving the commutator pre-pressed on the rotor to rotate and press downwards, and is matched with the explorator to complete the assembly between the commutator and the rotor. According to the technical scheme, after the rotor is positioned through the positioning mechanism, the commutator is driven by the rotary pressing mechanism to rotate and press downwards, the commutator is gradually aligned with the rotor in the process, and assembling is completed. The structure is simple, and installation efficiency and installation precision can be improved.

The invention discloses a non-contact multi-channel photoelectric device slip ring, and relates to the technical field of slip rings, the non-contact multi-channel photoelectric device slip ring comprises a slip ring stator and a slip ring rotor which are not in contact with each other, and through the specific design of a multi-channel photoelectric device, the multi-channel photoelectric device is set as an outer ring channel and an inner ring channel; the distance between the slip ring stator and the slip ring rotor is determined according to the included angle formed by the light of the laser transmitter, so that the laser receiver can stably receive laser signals, and the inner ring passage and the outer ring passage can be ensured not to interfere with each other; the slip ring stator and the slip ring rotor are not in contact, so that the service life of the slip ring can be prolonged, transmission signal damage caused by abrasion is avoided, and the stability of signal transmission is ensured; the slip ring rotor and the slip ring stator are completely identical in overall structure, so that the production process is simplified, and batch production is facilitated.

A slip ring arrangement according to the invention for an electric machine comprises a first slip ring having a radial inner surface and a radial outer surface, a first contact pin forming an electrically conductive sliding contact with the first slip ring, a first conductor extending axially from the first slip ring and electrically connected to the first slip ring, and a substantially hollow cylindrical first support element having a radial inner surface and a radial outer surface. The first slip ring is arranged with its radial outer surface against the radial inner surface of the first support element. The first conductor is enclosed between the radial inner surface and the radial outer surface of the first support element.The first contact pin is guided radially displaceably within a second support element and is subjected to, or can be subjected to, force in a first radial direction. The second support element is arranged in a volume defined radially by the radial inner surface of the first slip ring, and the second support element is rotatably arranged relative to the first support element. Furthermore, the first contact pin can be subjected to force by a fluid on the side radially opposite the sliding contact. The invention further comprises a rotor of a separately excited synchronous machine.

The invention relates to a shaft grounding device for deriving an inductively generated voltage, current or charge from a first machine element (5), preferably a shaft, into a second machine element (1), having a shaft grounding element (4, 50) for discharging, according to the invention, the shaft grounding element (4, 50) is a component separated from a starting material, preferably a continuous article, said component being penetrated by channels (16) in the longitudinal direction thereof or being provided with perforations and / or surface structures and / or surface textures at least on the contact surface thereof with the first machine element. The invention also relates to a method for manufacturing the shaft grounding device.

This invention relates to a silver-graphite brush material and its preparation method. The material comprises graphite powder, thermosetting resin, additives, and silver, with the following mass percentages: 10-60% graphite powder; 2-20% thermosetting resin; 1-8% additives; and silver as the balance. This invention solves the problems of severe segregation, low interfacial strength, high preparation cost, and long production cycle in current silver-graphite brushes. The material prepared using the method described in this invention can reduce silver segregation, improve interfacial strength, and exhibit excellent comprehensive performance. Furthermore, this method is simple and easy to operate, enabling large-scale mass production.

The conductive slip ring with the self-lubricating structure comprises a slip ring body, the outer side of the slip ring body is coated with a self-lubricating coating, the two sides of the slip ring body are connected with the inner sides of correspondingly arranged positioning bearings through first insulating sleeves, and meanwhile the outer sides of the two positioning bearings are connected with the two sides of the interior of a protective shell. The interior of the slip ring body is connected with a main shaft through a second insulating sleeve, one end of the main shaft penetrates through one side of the slip ring body and extends to the outer side of one end of the protective shell, and an electric brush mechanism is arranged in the middle of the upper end of the protective shell and comprises a sealing seat, a positioning block, a supporting adjusting assembly and an electric brush assembly. A self-lubricating assembly is arranged in the middle of the lower end of the protective shell. According to the conductive slip ring with the self-lubricating structure, the self-lubricating coating is arranged, so that in the relative movement process of the electric brush head and the slip ring body, a solid lubricant is continuously released, a layer of ultra-thin lubricating film is formed between the electric brush head and the slip ring body, the friction coefficient is effectively reduced, abrasion is reduced, and the service life of the conductive slip ring is prolonged.

The invention discloses a collector ring inter-ring insulation device and a collector ring, and belongs to the technical field of power generation equipment, the insulation device comprises an insulation column arranged between an upper ring and a lower ring, the insulation device is characterized in that the insulation column is of a sectional structure, and the insulation column comprises an upper insulation column and a lower insulation column; a middle insulating ring plate is arranged between the upper insulating column and the lower insulating column, the diameter of the upper insulating column is the same as that of the lower insulating column, and the inner side and the outer side of the middle insulating ring plate extend out of the lower insulating column. According to the insulation device, through multi-layer insulation design and mechanical cooperation, the creepage distance can be effectively increased, and the insulation performance is remarkably improved.

A method is proposed for determining a zero-force reference position of a wet-running brush actuator (2) for external excitation of a rotor of an electric motor (EM) arranged on a rotor shaft (RW). While an electric vehicle with an electric motor (EM) is stationary and the rotor is externally excited, a spindle (10) of the brush holder (2), which has an electric stepper motor (4) with an integrated spindle drive, is moved away from the grinding brushes (B1, B2) until the contact between the grinding brushes (B1, B2) and the associated slip rings (SR1, SR2) reaches a contact quality limit, the position assumed by the spindle (10) being defined as the zero-force reference position, from which the steps of the stepper motor (4) are counted in order to variably press the grinding brushes (B1, B2) against the slip ring (SR1, SR2) as required. In addition, a computer program, a computer program product, a system, and an electric vehicle are proposed.

A slip ring arrangement according to the invention for an electric machine comprises a first slip ring module, comprising a first slip ring for electrical contact, a first conductor extending axially from the slip ring and electrically connected to the first slip ring, and a substantially hollow cylindrical first support element. The first slip ring is arranged on the support element in a first axial section on a radial outer surface. In a second axial section, the first conductor is enclosed by the first support element between a radial inner surface and a radial outer surface. Furthermore, a circumferential first web is arranged on the outer surface between the first axial section and the second axial section. The invention further comprises a rotor of a separately excited synchronous machine.

The utility model is applicable to the technical field of slip rings, and provides a high-precision slip ring applicable to ultra-long service life, which comprises a rotor part and a stator part, and is characterized in that the rotor part comprises a main shaft and a bearing fixed on the side wall of the main shaft; the stator part comprises a protective cover and a shell fixed on the protective cover; the side wall of the bearing is fixed on the shell; a first air circulation pipeline is arranged in the main shaft, an air inlet hole is formed in the main shaft, and the air inlet hole is communicated with one end of the first air circulation pipeline. A pipeline of the fan is connected with an air inlet hole of the main shaft, first air circulation pipelines are evenly distributed on the main shaft below the conducting ring, cold air flows to the first air circulation pipelines through the air inlet hole, the conducting ring, the gold-plated row brush and the bearing are cooled firstly, and then the cold air passes through a second air circulation pipeline connected with the shell to cool the conducting ring and the gold-plated row brush. Cold air enters the stator to cool the brush carrier, and finally the air is exhausted from the two sides of the stator side protection cover, so that a circulating cooling system is formed.

The utility model relates to the technical field of conductive slip rings, and discloses a conductive slip ring structure, which comprises a shell and an end cover positioned at one end of the shell, a rotor is jointly mounted in the shell and the end cover, and the rotor comprises a rotating shaft positioned at the central positions of the inner sides of the shell and the end cover. A plurality of metal rings are installed on the outer side of the rotating shaft in the axial direction, one end of the rotating shaft is connected with a rotor connecting assembly, and a junction box assembly is installed on the outer side of the shell. According to the utility model, the U-shaped metal plate and the circuit board assembly are fixed together through the second bolt, and then the carbon brush is installed on the U-shaped metal plate, so that the U-shaped metal plate can be directly pulled to deform, and pressure adjustment between the carbon brush and the metal ring is realized; the transmission stability of signals or electric energy is realized; the circuit board assembly is fixed on the aluminum base through the first bolt 1, so that the U-shaped metal plate, the circuit board assembly or the carbon brush is convenient to replace, the maintenance is convenient, and the cost is low.

The utility model discloses a grounding carbon brush and position sensor combination assembly for an automobile high-voltage driving motor, which comprises a main shell and is characterized in that the left end of the main shell is an external connector, a connector insert is arranged in the external connector, a plurality of bolt mounting holes are arranged at the edge of the main shell, the bolt mounting holes at the left end and the right end of the main shell are connected with a brush carrier, and the brush carrier is connected with a motor. A carbon brush assembly is arranged in the brush carrier, a circular groove is formed in the main shell, and a movable carbon brush protection plate is clamped in the circular groove. Certain electronic devices are arranged between the grounding carbon brush connecting shaft and the ground and used for reducing common-mode voltage on the shaft, and the devices and the eddy current sensor share one PCB. Before the carbon brush assembly is installed, the head of the carbon brush body is fixed in the brush box through the carbon brush protection plate, an operator does not need to make contact with the carbon brush body during installation, when the assembly is installed, a motor shell can press the carbon brush protection plate in place, the carbon brush body automatically pops out to make contact with a shaft, and the failure hidden danger caused by installation is avoided.

The present invention relates to an electrical connection component for an electronic water pump stator armature and a wire passing method thereof, which comprises a slip ring assembly, a stator winding, an insulating wire frame and a stator core, wherein the insulating wire frame is sleeved on the stator core, the stator winding is wound in an insulating slot formed by the stator core and the insulating wire frame, the slip ring assembly is connected to the insulating wire frame, the stator winding is a three-phase winding, the slip ring assembly comprises a slip ring three-phase welding PIN assembly and a slip ring three-phase welding PIN plastic covering assembly, the stator winding is electrically connected to the three-phase splicing PIN assembly and welded, and a wire passing method is also provided. The three-phase head and tail wires of the armature winding of the present invention are directly drawn out from the slot, and are resistance welded on the nearest slip ring three-phase PIN, and the winding winding method is optimized to effectively avoid the problem of multi-layer winding of the wire passing at the outer edge of the wire frame, simplify the production process, improve production efficiency, and improve the reliability and quality of the motor.

The invention discloses an excitation carbon brush and collecting ring digital monitoring operation and maintenance system, method and device and a medium, and belongs to the technical field of power equipment monitoring, and the method comprises the steps: obtaining the real-time current data of a plurality of carbon brushes, and determining the deviation degree of each carbon brush current relative to a reference current; according to the generator operation condition parameters, determining a deviation threshold value used for judging carbon brush current abnormity; when it is detected that the current deviation degree of the target carbon brush exceeds a deviation threshold value, an adjustment control signal is generated; and responding to the adjustment control signal, performing mechanical stimulation operation on the target carbon brush, and changing the contact state of the target carbon brush and the collector ring. Automatic balance adjustment of the current of the carbon brush is realized through mechanical stimulation operation, and the service life of the carbon brush is prolonged.

Proposed is a shaft grounding ring including an annular housing having a first through hole in a central portion thereof through which a motor shaft passes in a front-back direction, and having brush mounting grooves arranged radially on a front thereof, a plurality of grounding brushes respectively inserted into the brush mounting grooves of the housing, and an elastic end of which is in electrical contact with an outer circumferential surface of the motor shaft, and an annular cover coupled to the housing with the grounding brushes in between to fix the grounding brushes, having a second through hole in a central portion thereof in a front-back direction, which communicates with the first through hole and through which the motor shaft passes, and having radially arranged pin holes drilled in the front-back direction so that contact pins of a pressing jig penetrate and contact the front of the housing.

A discharge device for discharging electric currents from a rotor part of a machine, said rotor part having a shaft, the discharge device comprising an axially displaceable contact element, which is at least partly accommodated in a guide, for forming an electroconductive sliding contact between a sliding contact surface of the contact element and a shaft contact surface of the shaft, the sliding contact surface being provided for forming the sliding contact, the contact element being electroconductively connected to the guide and / or a retaining element of the machine, and the contact element being prestressed towards the shaft contact surface by means of a spring element, the contact element being at least partly wetted with an oily fluid, in particular at least in the area of its sliding contact surface.

The invention relates to a fiber yarn, a fiber bundle, a conducting ring, a preparation method of the conducting ring, a motor and a vehicle. The fiber yarn comprises a yarn core, a conducting layer and a bundling layer. The conductive layer covers the peripheral surface of the wire core; the bundling layer coats the peripheral surface of the conductive layer, and the bundling layer is a water-soluble material layer; wherein the bundling layer is configured to be connected with the bundling layer of the adjacent fiber filaments. According to the technical scheme, the bundling layer of each fiber is configured to be connected with the bundling layer of the adjacent fiber, so that all the fibers in each fiber bundle can be bundled into a whole, the stiffness of the fiber bundle is improved, the situation that the fiber bundle is prone to deformation when inserted into the ring body assembly is avoided, and the service life of the fiber bundle is prolonged. Therefore, the smoothness of inserting the fiber bundle into the ring body assembly is improved, and the efficiency of fixing the fiber bundle on the ring body assembly can be improved.

The utility model is applicable to the technical field of slip rings, and provides a slip ring applicable to a medical dual-mode imaging system, which comprises a rotor part and a stator part, and is characterized in that the stator part comprises an elastic sheet, a protective cover, a support, brush wires, an optical fiber baffle and a shell flange; the shell flange is fixed on the side wall of the protective cover, the support is fixed in the protective cover, the elastic piece is fixed on the support through a special jig, and the elastic piece is in a splayed shape. A row of brush wires are spot-welded at the tail end of the elastic sheet to serve as contacts for increasing the contact area between the conductive ring and the brush wires; the rotor part comprises a rotating shaft, a conducting ring, an insulating layer, an optical fiber assembly, a synchronizing wheel and an FC conversion component; and the rotating shaft is rotationally connected into the protective cover through a bearing. According to the slip ring, the problems that a common slip ring is short in service life and large in radial run-out at the rotating speed of 6000 rpm are solved, and continuous long-time normal transmission of the slip ring can be effectively guaranteed.