232results about "Rotary gyroscopes" patented technology

The present application relates to apparatuses, systems, and methods for mapping utility lines that includes the identification and use of ground assets. Such ground assets may be identifiable aspects along the ground surface that may be of interest or use, including mapping of utility locating. Further, updating to ground asset locations and yaw / orientations may be applied in maps such that utility line positions relative to such ground assets may be more accurately known by future excavation operations.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

Provided are a driven object side presser to press the first holder from a side where the driven object exists, a force transmitter to convert a tensile force to a pressing force with which the driven object side presser presses the first holder and to transmit the pressing force to the driven object side presser, a fixed member side presser to press the first holder from a side where the fixed member exists, a support fixed to the fixed member, a link to be connected to the force transmitter rotatably, the support, and the fixed member side presser and to move the fixed member side presser in a direction approaching the first holder when the force transmitter is moved in a direction away from the first holder, and a locking force generator to generate the tensile force, and to lock the first holder so as not to be moved.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The utility model discloses an inflating device of a glass tube alkali metal gas chamber, which comprises a vacuum pump, an alkali metal container, an alkali metal heater, a first gas cylinder and a connecting pipeline, the vacuum pump is communicated with the connecting pipeline through an exhaust pipeline, and the alkali metal container is communicated with the connecting pipeline through an alkali metal pipeline. The first gas cylinder is communicated with the connecting pipeline through a first gas outlet pipeline, and the connecting pipeline is communicated with the glass tube alkali metal gas chamber; the first gas cylinder is filled with the inert gas, an alkali metal releasing agent is contained in the alkali metal container, and the alkali metal heater is used for heating the alkali metal releasing agent in the alkali metal container. And the inflating device is used for inflating the glass tube alkali metal air chamber.

A sensor apparatus according to the present embodiment incudes: a mechanism configured to rotate a rotation system around a rotation axis and is provided with an accelerometer having an axis that is not parallel to either a plane perpendicular to the rotation axis or the rotation axis; and a processor configured to acquire an acceleration measured by the accelerometer in response to rotation angles of three or more points of the rotation system rotated, separate the acceleration into a first component that follows the rotation of the rotation system and a second component that does not follow the rotation of the rotation system, and estimate an inclination angle of the rotation system based on the first component and the second component.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

A gyroscopic roll stabilizer for a boat includes an enclosure mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure, and a flywheel assembly including a flywheel and flywheel shaft, with the flywheel assembly rotatably mounted inside the enclosure for rotation about a flywheel axis. The gyroscopic roll stabilizer also includes a motor operative to rotate the flywheel assembly and mounted in a boss that is integrally formed in the enclosure. A motor cooling circuit is configured to transfer heat away from the motor. The motor cooling circuit has a closed fluid pathway for recirculating cooling fluid therein. The fluid pathway extends through the boss so that the cooling fluid circulates through the boss around the motor. The gyroscopic roll stabilizer is configured to transfer heat away from the motor to the cooling fluid. Related methods are also disclosed.

The present invention provides a floating wind power generation, energy storage, and gyroscopic stabilization system and control method. Based on the gyroscopic characteristics, the gyroscopic fixed axis, and the principle of object stability with low potential energy, and taking into account the need for energy storage, the system uses energy storage batteries as counterweights for the gyroscopic stabilization platform. This increases the mass of the gyroscopic stabilization platform, lowers the center of gravity of the floating wind power generation system, and improves the structural damping stability of the floating wind power generation system. The charging and discharging of the energy storage batteries also enhances the stability of the power grid. The relative displacement of the floating and semi-submersible buoys drives the reciprocating motion of the traction cable, driving the gyroscopic stabilization unit to generate rotational inertia. The system utilizes the flywheel principle to rapidly support the power grid, control the 360-degree pan / tilt platform, and three-dimensionally control the electric propeller, generating reverse thrust to suppress excessive water fluctuations.

The present invention relates to a heating and temperature - equalizing device for a SERF atomic gas cell, which includes a temperature - equalizing liquid, a sealed oven assembly, and a composite temperature - equalizing and heat - insulating assembly. A closed cavity is provided inside the sealed oven assembly, and the temperature - equalizing liquid fills the closed cavity, so that the atomic gas cell assembly placed in the closed cavity is immersed in the temperature - equalizing liquid. The composite temperature - equalizing and heat - insulating assembly is wrapped around the outside of the sealed oven assembly. The atomic gas cell assembly, the sealed oven assembly, and the composite temperature - equalizing and heat - insulating assembly are fixedly connected through a connecting and limiting rod that penetrates through the bottom of the sealed oven assembly in a sealed manner. An inner sealed cavity and an outer sealed cavity are provided on the composite temperature - equalizing and heat - insulating assembly. A temperature - equalizing gas is filled in the inner sealed cavity, and the outer sealed cavity is a vacuum cavity. The present invention effectively improves the uniformity of the gas cell temperature and reduces the adverse effects on the external magnetic compensation coil.

A vehicle leveling system has a sensor for sensing a reference state of a vehicle and a level state of the vehicle. The reference state is subtracted from the level state to determine a difference angle. The reference state is absolute flat or other reference angle. A smart device is in communication with the sensor to zero out the difference angle and level the vehicle. The smart devices provide feedback to a user to adjust orientation of the vehicle as to zero out the difference angle and level the vehicle. The feedback can be an audible or human sensory feedback, such as voice or tones. A plurality of jacks is used to level the vehicle by zeroing out the difference angle. The jacks can be controlled by the smart device or sensor. The sensor has a gyroscope providing multiple angles of orientation.

The invention discloses a compensation parameter self-tuning vibration suppression method for a magnetic suspension bearing system, which belongs to the field of magnetic suspension bearing control, and comprises the following steps: S1, carrying out a pulse excitation experiment on a magnetic suspension bearing-rotor system by using an electromagnetic vibration exciter, a magnetic suspension bearing-rotor system model is obtained through parameter identification of the frequency response function; s2, obtaining a phase compensation angle according to the mapping relation of the frequency response function; and S3, according to the system model, designing a compensation controller based on a second-order generalized integral-synchronous rotating coordinate system, and through the system model, the phase compensation angle and stability criterion self-tuning compensation control parameters, realizing vibration suppression of the magnetic suspension system. The method can effectively suppress unbalanced mass vibration of the rotor, compensation parameters do not need to be tested and calibrated in advance, the self-tuning process is rapid and convenient, and the method is suitable for any multi-degree-of-freedom magnetic suspension bearing-rotor system and has good practical value and economic value.

The invention provides a photoelectric sensing inertial sensor and a manufacturing method thereof, and the sensor comprises a semiconductor substrate which is internally provided with an annular cavity; a light conduction device is arranged in a circle defined by the annular cavity and is used for transmitting light to the inner side wall of the circumference of the annular cavity along the radius; the light source is used for emitting light rays vertically emitted to the circumferential plane of the annular cavity; a modulation device is arranged in a vertical projection area of the light source to the plane where the light conduction device is located and used for modulating a light source beam to the radius direction of the annular cavity; the light receiving devices are uniformly arranged on the circumferential side wall of the outer side of the annular cavity; and the inertial body is located in the annular cavity and can rotate around the annular cavity, and when the inertial body rotates to the position of a certain light receiving device, the inertial body can shield the light receiving device to receive light beams. According to the invention, the miniaturization of the sensing device is realized, the manufacturing cost is greatly reduced, the comprehensive damping is small, the test error is low, and the impact resistance is higher.

The embodiment of the present invention discloses a gyroscope and a charging device, wherein the gyroscope comprises a housing, a motor, a circuit board, and at least two tilt switches. The housing has a rotation axis. The motor is fixedly mounted on the housing, the output shaft of the motor is coaxially arranged with the rotation axis, and one end of the output shaft of the motor is located outside the housing, and the housing can rotate around the rotation axis with the end of the output shaft away from the motor as a fulcrum. The circuit board is provided with a power supply and a current amplification circuit, and the motor and the power supply are connected through the amplification circuit. A plurality of tilt switches are connected in series to the amplification circuit for jointly controlling the on and off of the amplification circuit. By rotating the housing to apply a centrifugal force to all the tilt switches, the plurality of tilt switches are all turned on, and then the smaller current of the power supply is amplified by the current amplification circuit and transmitted to the motor, so as to drive the gyroscope to rotate continuously and increase playability.

The utility model relates to a low-stress high-stability gyroscope floater assembly which comprises a motor, a frame, two fastening lock nuts, two anti-loosening disc springs and a buoy, mounting holes are symmetrically formed in the two faces, perpendicular to the frame shaft, of the frame. Positioning tables are arranged at the outer ends of the mounting holes in the two sides, and buoy mounting tables are coaxially arranged at the two ends of the exterior of the frame; the fastening nuts at the two ends are fixedly connected with motor shafts at the two ends of the motor respectively, and the fastening nuts at the two ends are mounted in mounting holes in the two ends of the frame in an axial and radial limiting manner; anti-loosening disc springs are mounted between the positioning tables on the two sides of the frame and the fastening lock nuts in a pressing manner; the buoy sleeves are arranged on the buoy mounting tables at the two ends and are bonded and fixed with the buoy mounting tables; the motor shaft is made of a TiB2 / Al composite material; the frame, the fastening lock nut and the float bowl are made of 45% SiC / Al composite materials. The floater assembly is good in structural stability and beneficial to improving the precision of the gyroscope.

The invention relates to a method for estimating the azimuth, formula (A), of a base of a motion simulator by implementing a gyrometric system comprising at least one gyrometer attached to the plate of the motion simulator and applying a "maytagging" method in four positions in a first main sequence and in a second main sequence, corresponding to two opposite orientations of the plate, and wherein the positioning time of the plate for the measurements of the gyrometer or gyrometers in each of the four positions is less than or equal to half the correlation time of the Allan curve and wherein each of the first and second main sequences is repeated a predetermined number of times, N>1, and general averages of differentials of the averages of the measurements obtained during the repetition of the first and second main sequences are calculated, the azimuth finally being estimated by solving a linear system comprising the general averages of the differentials.

A gyro stabilizer includes a stator, a rotor with a rotor axle configured to rotate about a spin axis in a first direction, and a rotor base arranged between the stator and the rotor. The rotor base is configured to allow the rotor axle to move with regards to the stator a direction different from the first direction.

Provided are a driven object side presser to press the first holder from a side where the driven object exists, a force transmitter to convert a tensile force to a pressing force with which the driven object side presser presses the first holder and to transmit the pressing force to the driven object side presser, a fixed member side presser to press the first holder from a side where the fixed member exists, a support fixed to the fixed member, a link to be connected to the force transmitter rotatably, the support, and the fixed member side presser and to move the fixed member side presser in a direction approaching the first holder when the force transmitter is moved in a direction away from the first holder, and a locking force generator to generate the tensile force, and to lock the first holder so as not to be moved.

Provided is a two-degree-of-freedom ring frame repeated locking and circuit automatic switching gyro locking mechanism, which belongs to the technical field of inertial devices and comprises a shell, a shell cover arranged on the shell, an inner ring and an outer ring arranged in the shell, a limiting cam arranged on the inner ring, a locking pin elastically supported on the outer ring, and a locking cam arranged outside the outer ring; an electromagnet assembly is fixed on the shell cover, a torsional spring arm is installed in a U-shaped groove of the electromagnet assembly, an axle is positioned and installed through the torsional spring and a support arm hole to make the support arm generate a fixed shaft torque, an armature is installed in a hole of the electromagnet assembly, the armature is connected with the support arm through a pull rod, a pulley assembly and a limiting groove shaft are respectively riveted on a support arm bending space face positioning hole and are respectively used for precisely positioning the locking cam and the locking pin on the outer ring; the shell cover is symmetrically provided with two sides of an axis, and a normally open contact and a normally closed contact are respectively installed at an angle of 60° between the two sides. The gyro locking mechanism can realize the functions of gyro repeated locking reset, automatic switching and output of electric signals, and meets the requirements of automatic driving of a missile body.

A method for automatically mapping an inverter of a photovoltaic module, according to one aspect, may comprise the steps of: receiving an identification information list of micro inverters corresponding to a respective plurality of provided photovoltaic modules; receiving a first image including a plurality of first codes from a user; recognizing the first codes so as to obtain position information and identification information of micro inverters corresponding to the first codes; generating a first layout diagram of the micro inverters on the basis of the obtained position information and identification information; comparing the number of pieces of identification information of the micro inverters in the identification information list to the number of pieces of identification information corresponding to the recognized plurality of first codes so that, if there is no match, an alarm is sent and information of a position on the first layout diagram of a micro inverter corresponding to an unrecognized first code is recommended; and modifying the first layout diagram on the basis of the recommended position information.

A device for hand tremor stabilization is provided, the device comprising a rotatable flywheel assembly (23) mountable to a user's hand. The rotatable flywheel assembly (23) comprises: i) a flywheel (24) having a flywheel mass m and a flywheel diameter d, and ii) a prime mover (25) adapted to rotate the flywheel (24) about a flywheel rotation axis (38) at a rotation speed R such that the rotatable flywheel assembly (23) generates a vibration having a vibration level of about 0.05 kg / m 2 / s and about 0.30kgm 2 The angular momentum is between 1.1 and 1.1 s.

A method of creating a privacy mask from an image imaged by an imaging device in which a rotation axis of a camera and a center of a lens do not match includes measuring a distance from the camera to an object in a first imaging condition; creating a first mask for the object, and storing the distance together with the first mask; and creating a second mask for the object in a second imaging condition and correcting a position of the second mask using the first mask and the distance, wherein an imaging angle of the camera in the first imaging condition is same as the imaging angle of the camera in the second imaging condition, and wherein a position of the lens in the first imaging condition is reversed around the rotation axis from a position of the lens in the second imaging condition.

One or more phase modulators in an optical gyroscope operate on two counter-propagating beams to introduce a phase shift between the beams before the beams are interferometrically combined to generate a rotation signal. A signal generator generates first and second modulation frequencies to drive the phase modulators. The first modulation frequency in isolation biases the rotation signal at an operating point sensitive to rotation, and the second modulation frequency in isolation biases the rotation signal at an operating point insensitive to rotation. One or more control integrated circuits (ICs) isolate a first portion of the rotation signal associated with the first modulation frequency and a second portion of the rotation signal associated with the second modulation frequency. The control ICs determine a difference between the first and second portions of the rotation signal to remove one or more bias instabilities from the first portion of the rotation signal.

The utility model discloses a gyroscope convenient to overhaul, which belongs to the technical field of gyroscopes, and comprises a mounting seat and a rotating arm arranged on the mounting seat, the rotating arm is provided with an upper support plate and a lower bearing plate which are fixedly connected with each other, a gyroscope main body is placed on the upper support plate, and the lower bearing plate is arranged on the lower bearing plate. A plurality of positioning bosses are arranged at the bottom of the gyroscope main body, and a positioning mechanism for locking the positioning bosses is arranged on the lower bearing plate; a cylindrical base is arranged on one side of the gyroscope body, and a first fixing ring is fixed to one end of the upper supporting plate and one end of the lower bearing plate. The positioning boss is locked through the positioning mechanism, so that the gyroscope body is stably installed, meanwhile, the gyroscope body is convenient to disassemble, and through cooperation of the first fixing ring and the second fixing ring, the gyroscope body can be conveniently disassembled. The upper supporting plate and the lower bearing plate can be conveniently detached from the cylindrical base station while the upper supporting plate and the lower bearing plate are stably mounted on the cylindrical base station, so that the overall disassembly and assembly are convenient, and the fault of the gyroscope main body can be conveniently overhauled.

The invention provides a rotation turn number counting method and device, computer equipment and a storage medium, and is applied to target equipment, the target equipment comprises a gyroscope, and the target equipment is in a rotation process; the method comprises the following steps: determining an angle difference between a next integer angle corresponding to a target integer angle and the target integer angle; the target integer angle is an integer angle corresponding to the first rotation angle, and the next integer angle corresponding to the target integer angle is an integer angle corresponding to the second rotation angle; the second rotation angle is a rotation angle acquired after the first rotation angle is acquired through the gyroscope; accumulating the angle difference to obtain an accumulated angle difference; and when the accumulated angle difference reaches the first preset angle, adding one to the number of rotation turns of the target equipment. According to the technical scheme, the number of rotation turns in the rotation process is counted, and the accuracy of the number of rotation turns is guaranteed.

The invention discloses a light floating resonant gyroscope which comprises a particle capture suspension module, a particle resonance driving module and a particle signal detection module, the particle capture suspension module is used for generating a particle capture light trap and performing non-contact light suspension on particles, the particle resonance driving module is used for driving the particles to work at resonant frequency and enhancing the resonance effect of suspended particles, and the particle signal detection module is used for detecting motion information of the particles in the light trap and extracting angular velocity signals. Based on a light floating resonance effect, a light force suspension mode is adopted, mechanical contact friction is avoided, particles work in a vacuum environment, external interference is effectively isolated, work is stable, and the service life of a system is long.

An electric vehicle is disclosed having a frame; at least one wheel assembly; a hub motor corresponding to each wheel assembly, each hub motor including: a stator disposed concentrically within the ground-contacting element, and an axle portion formed as a single piece having a central shaft extending axially from a mandrel fixed concentrically within the stator, the mandrel having an outer diameter larger than the central shaft, an outer surface of the mandrel in direct contact with the stator, the central shaft and the mandrel comprising material having a thermal conductivity higher than a thermal conductivity of the stator; wherein the axle portion of each hub motor is in thermal communication with the frame, and the mandrel is connected to the central shaft by a plurality of radial connectors unitary with the mandrel and the central shaft. The electric vehicle may be an electric scooter, electric bicycle or a self-balancing vehicle.

The present disclosure relates to a gyro stabilizer assembly (1). The gyro stabilizer assembly (1) includes a housing (13) defining a chamber (12) for maintaining at least a partial vacuum, a flywheel (11) mounted within the chamber (12) to enable rotation about a spin axis (20) under the partial vacuum, a flywheel shaft (19) on which the flywheel (11) is mounted within the housing (13), and a bearing lubrication system (8). The flywheel shaft (19) is supported by a first spin bearing (21) and a second spin bearing (31) disposed at opposite end regions of the flywheel shaft (19) to rotate the flywheel (11) about the spin axis (20). The first spin bearing (21) and the second spin bearing (31) are disposed within the housing (12). The first spin bearing chamber (22) houses the first spin bearing (21) and is separated from the flywheel chamber (12) by a first shaft seal, and the second spin bearing chamber (24) houses the second spin bearing (31) and is separated from the flywheel chamber (12) by a second shaft seal. The bearing lubrication system (8) includes a lubricant circuit (9) for circulating lubricant to the first spin bearing (21) and the second spin bearing (31) from a reservoir or recovery chamber located at or adjacent to the second spin bearing (31). The lubricant circuit (9), located external to the housing (13), includes an oil accumulator for storing lubricant and maintaining the lubricant pressure, preferably between 1.7 bar and 3.7 bar.

The utility model discloses a kind of modular combination's magnetic type gyroscopes, it includes main module, two groups of transfer connecting part and sub module.Main module includes two back-to-back shaft connection's splicing block and rotatable center connecting block between it, center connecting block can rotate around shaft;Transfer connecting part inner end and splicing block outer end one-to-one clamping;Sub module each surface can be connected with center connecting block each rotating surface and transfer connecting part outer end surface magnetic attraction connection.Splicing block is connected by the first connecting shaft interference fit, center connecting block, the second component of transfer connecting part and sub module are all cubic structure, and corner is equipped with the round cavity with magnetic pearl, each surface four corners have the through-hole of intercommunicating round cavity.The utility model uses the way of magnetic attraction and clamping combination, realizes modular combination, connection is stable and dismounting flexible, can diversify splicing, improve interesting and creativity, solve the problem that traditional gyroscopes magnetic attraction end magnetic attraction is weak, structure stability is poor.