53 results about "Vibration sense" patented technology

A wearable device includes a first structure having a first band and a processor mounted on the first band, and a second structure having a second band configured to wrap around a knee and at least one sensor mounted on the second band and configured to measure vibration within the knee. The processor is programmed to make a determination whether the knee is within a range that indicates Osteoarthritis based on the vibration sensed by the at least one sensor, and to output the result to an external device.

This invention designs a hot water level detection device for heating systems, belonging to the field of water level detection technology. The device includes a water level sensing unit, a temperature sensing array, a vibration sensing unit, and a data processing module. The water level sensing unit is installed on the top of the water storage device, emitting and receiving ultrasonic waves and measuring the round-trip time. The temperature sensing array includes two temperature sensors respectively installed at the top and bottom of the water storage device to acquire information on the vertical temperature distribution of the hot water. The vibration sensing unit is installed on the wall of the water storage device or on the heating pipe to collect vibration signals. The data processing module includes a temperature judgment unit, a sound velocity correction unit, a feature extraction unit, and a water level correction unit. This invention eliminates the influence of temperature stratification on sound velocity calculation through temperature gradient adaptive correction, and suppresses the interference of dynamic disturbances on water level measurement through vibration feature extraction and adaptive filtering, achieving accurate and stable hot water level monitoring under the complex operating conditions of heating systems.

The invention discloses a power transformer state evaluation method based on vibration sensing network characteristics, which comprises the following steps: arranging a plurality of vibration sensors on the surface of a power transformer oil tank opposite to a winding position, acquiring steady-state vibration data under different current or voltage, extracting a sample vibration phase sequence of each measuring point from the steady-state vibration data, and calculating the state of the power transformer; calculating the PLV between every two measuring points, obtaining a PLV matrix of the power transformer, and carrying out feature extraction; and establishing an adaptive threshold system, and performing transformer state diagnosis according to the characteristic value of the PLV matrix under the system. According to the method, the vibration response relationship among different channels is fully excavated and fused to realize accurate monitoring and evaluation of the state of the transformer, and vibration information of multiple measuring points can be effectively fused and is not easily influenced by the positions of the measuring points.

The postoperative muscle force rehabilitation detection system comprises a muscle sound sensing module, a wireless receiving module and an upper computer, the muscle sound sensing module comprises a vibration sensing module and a communication module, the communication module comprises a wireless transmitting module, and the wireless transmitting module is in signal connection with the wireless receiving module. And the wireless receiving module is electrically connected with the upper computer. According to the postoperative muscle strength rehabilitation detection system and method, through cooperative arrangement of the muscle sound sensing module, the wireless receiving module and the upper computer, noninvasive detection of human muscle strength is achieved, the influence of skin surface binding on muscle vibration is greatly reduced, and the postoperative muscle strength rehabilitation detection system and method have the advantages of being high in sensitivity and large in frequency response range.

The application relates to the technical field of image enhancement, in particular to a mine environment super-resolution image reconstruction method based on vibration induction for mine monitoring, which comprises collecting vibration data and image data and performing pretreatment; the processed vibration data sequence is input into a double-layer LSTM network, vibration data is analyzed by using the LSTM, vibration characteristics at the next moment are predicted, and dynamic compensation parameters are generated; the processed image is input into a convolutional neural network constructed by using a blueprint separable convolution, a residual attention module and a coordinate attention mechanism, and multi-scale feature extraction is performed; time alignment of the vibration data and the image data is performed, corresponding compensation parameters are generated, and meanwhile, spatial alignment and fusion of the two are performed to obtain fusion features; based on the fusion features, super-resolution reconstruction is performed on the image to generate a high-resolution image. Through technical fusion innovation, the recognition quality of image quality in a complex vibration scene is significantly enhanced.

The application provides a vibration sensing assembly, which comprises a fixing part for fixing support, a bearing part elastically connected to the fixing part, a functional part fixed to the bearing part, and a driving unit fixed to the functional part, the fixing part comprises an annular frame with a hollow cavity formed inside, at least three spaced apart cantilever beams extending from the inner side of the annular frame towards the hollow cavity, soft elastic blocks fixed between the cantilever beams and the functional part, and two fixed end beams symmetrically distributed on the opposite sides of the hollow cavity, the two ends of the fixed end beams are fixedly connected to the inner side of the annular frame, the middle part of the fixed end beams is spaced apart from the annular frame, the two fixed end beams are parallel to each other, the bearing part is accommodated in the hollow cavity and the two ends of the bearing part are fixed to the middle part of the two fixed end beams respectively. The scheme can realize sufficient vibration sensing and uniform acceleration distribution in a specific direction, and the vibration intensity in other directions is weak, so that the vibration experience is good.

The electromechanical automatic tapping machine structurally comprises a workbench, a protection device, a machine body, a motor, a stand column, an adjusting hand wheel and a base, a clamping base on the protection device is fixedly installed at the lower end of the machine body, the end of a tapping drill rod is connected with the machine body, and the lower end of the tapping drill rod penetrates through the clamping base and extends into a protection assembly; the elastic rod is connected between the supporting assembly and the clamping base, so that when the machine body operates, the tapping drill rod and the motor can generate vibration sense which can be transmitted to the clamping base through the clamping base, the elastic rod plays a role in buffering and damping, the vibration sense generated by operation of the machine body is prevented from being transmitted downwards through the clamping base, and the service life of the machine body is prolonged. The elastic rod and the supporting assembly are matched with each other to conduct energy absorption and shock absorption treatment on vibration generated by operation of the machine body and the tapping drill rod, the tapping drill rod can be stably covered with the protection assembly, and therefore chippings generated when the tapping drill rod conducts tapping treatment on a workpiece can be blocked by the protection assembly.

The invention relates to the technical field of sound field optimization, and provides a sound field parameter optimization method and system, and the method comprises the steps: starting a vibration sensing device; driving the loudspeaker to play a test signal so as to excite the loudspeaker box body to vibrate, and driving the vibration sensing device to collect vibration data of the loudspeaker box body; receiving the vibration data, performing frequency domain analysis, and identifying the structure resonance frequency and the structure resonance intensity; storing the structural resonance frequency and the structural resonance intensity as structural resonance information; determining a preliminary low-frequency compensation scheme according to room acoustic characteristics; comparing the preliminary low-frequency compensation scheme with the structural resonance information, judging whether the preliminary low-frequency compensation scheme has a risk of exciting the structural resonance of the loudspeaker box body or not, and obtaining an excitation risk judgment result; and adjusting and updating the preliminary low-frequency compensation scheme according to the excitation risk judgment result to obtain a sound field parameter optimization scheme. The method has the effect of improving the sound field stability and the sound listening experience of the stereophonic system.

To provide a mechanism for improving reality and variation of a vibration sense.SOLUTION: A vibration control system capable of selectively controlling a first vibration motor and a second vibration motor includes means for performing generation processing for generating vibration instruction data including amplitude instruction data for instructing a vibration amplitude on the basis of occurrence of a vibration event, and means for performing, when the second vibration motor is controlled, first adjustment processing for adjusting, when a value of the amplitude instruction data is larger than a value for causing vibration with a predetermined strength when the first vibration motor is controlled, the value of the amplitude instruction data to be larger than the value for causing vibration with the predetermined strength when the second vibration motor is controlled.SELECTED DRAWING: Figure 10

This application discloses a waveform processing method, apparatus, device, and computer storage medium. The method includes: acquiring the vibration frequencies corresponding to n conflicting vibration waveforms, where n is an integer greater than or equal to 2; adjusting the vibration frequency of at least one of the n vibration waveforms to obtain a target vibration frequency corresponding to the n vibration waveforms, wherein the target vibration frequency satisfies a first preset condition; and superimposing the n vibration waveforms based on the target vibration frequency to generate a target vibration waveform. In this way, by adjusting the frequency of the vibration waveforms, the vibration waveforms can be better superimposed at the target vibration frequency, which not only improves the vibration sensing superposition effect but also enables rich mixed vibration sensing.

The invention designs a hot water level detection device for a heating system, and belongs to the technical field of liquid level detection. The device comprises a liquid level sensing unit, a temperature sensing array, a vibration sensing unit and a data processing module. The liquid level sensing unit is arranged at the top of the water storage device and used for transmitting and receiving ultrasonic waves and measuring round-trip time. The temperature sensing array comprises two temperature sensors arranged at the top and the bottom of the water storage device respectively, and vertical temperature distribution information of hot water is obtained. The vibration sensing unit is arranged on the wall face of the water storage device or the heating pipeline and collects vibration signals. And the data processing module comprises a temperature judgment unit, a sound velocity correction unit, a feature extraction unit and a liquid level correction unit. According to the method, the influence of temperature stratification on sound velocity calculation is eliminated through temperature gradient self-adaptive correction, the interference of dynamic disturbance on liquid level measurement is inhibited through vibration feature extraction and self-adaptive filtering, and accurate and stable hot water level monitoring is achieved under the complex working condition of a heating system.

The embodiments of the present specification disclose a vibration sensing device, comprising: an acoustic transducer; a vibration assembly connected with the acoustic transducer, the vibration assembly is configured to transmit an external vibration signal to the acoustic transducer to generate an electrical signal, the vibration assembly comprises one or more groups of diaphragms and mass blocks, the mass blocks are physically connected to the diaphragms; the vibration assembly is configured to make the sensitivity of the vibration sensor greater than the sensitivity of the acoustic transducer within one or more target frequency bands.

The utility model provides a knob switch, and the knob switch comprises an adjusting part which is provided with a first adjusting body and a second adjusting body which can rotate relatively; the supporting piece is connected with the first adjusting body, and a through hole is formed in the supporting piece; the knob piece is connected with the second adjusting body and can rotate relative to the supporting piece; and the vibration piece is detachably arranged in the through hole, and the vibration piece is used for vibrating when the knob switch is operated. When the knob switch is actually used and the knob piece is rotated to control the knob switch, the second adjusting body is driven by the knob piece to rotate relative to the first adjusting body so as to start, stop or adjust a preset function of external equipment, and meanwhile, the vibration piece vibrates so as to realize vibration sense feedback. In addition, as the vibration piece is arranged in the through hole of the supporting piece, the vibration sense fed back to the user can be further improved, and the user operation experience is effectively improved.

A multifunctional sound generating device is provided and includes a housing, a vibration unit received in the housing, and a driving coil configured to drive the vibration unit to vibrate. The vibration unit includes a sound generating unit and at least one magnet assembly fixed to the sound generating unit. The sound generating unit includes a basin frame, and a vibration system and a magnetic circuit system respectively fixed on the basin frame. In the multifunctional sound generating device of the disclosure, the magnetic circuit system and the magnet assembly are integrated with each other to improve the overall mass and driving force of the vibration unit, thereby improving the BL value and the vibration sense of the multifunctional sound generating device and improving the performance thereof.

The present invention provides a vibration motor includes a stator, an elastic member, and a vibrator. The stator includes a housing and a winding assembly. The winding assembly is arranged around a first direction. An end portion of the vibrator in the first direction is connected to the housing through the elastic member. The vibrator includes a first pole plate, a second pole plate, two magnets between the first and second pole plates, and a third pole plate arranged between two magnets. Each magnet is magnetized along the first direction, and the magnetization directions of the two magnets are opposite. The vibrator is at least partially surrounded within the winding assembly. The vibration motor of present invention has a simple structure, is easy to assemble, and has a small volume with high space utilization. The vibration motor can provide great vibration sensation in a small volume.

The invention provides a sensor which saves space and can accurately sense abnormal vibration of a centrifugal separation device without special processing of a frame and the like so as to control the operation state. The sensor is provided with: a housing (202) disposed at a predetermined position on the outer peripheral surface (100a) of the centrifugal separation device (100); a determination unit (212) that is disposed within the housing (202), receives sensing signals from various sensors, and determines whether the sensing signals are normal operation or abnormal operation of the centrifugal separation device (100); and a first report unit (218) that reports that the centrifugal separation device (100) is in an abnormal operation state when the determination unit (212) determines that the centrifugal separation device (100) is in abnormal operation, the sensor being a vibration sensor (216) that senses vibration of the centrifugal separation device (100), and the vibration sensor (216) being disposed inside the housing (202).

Medical Device for Thermal and Vibration Sensory Assessment

The invention provides a vibration sensing and control integrated intelligent vibration control device and method, and belongs to the field of mechanical vibration control, the vibration sensing and control integrated intelligent vibration control device comprises a base, the interior of the base is a cavity with a protruding structure, and a stepped iron core and a rigidity adjustable unit are installed in the cavity; a vibration sensing unit is installed between the protruding structure and the step-shaped iron core, the step-shaped iron core is sleeved with a coil frame, a magnet exciting coil is wound on the coil frame, and a rigidity adjustable unit is embedded in a gap between the outer edge of the upper portion of the step-shaped iron core and the inner edge of the upper portion of the base. The rigidity adjustable unit is a magnetorheological elastomer; the vibration sensing unit comprises a magneto-rheological elastomer with copper foil electrodes attached to the upper surface and the lower surface, and insulating films are attached to the outer portions of the two copper foil electrodes. The vibration frequency of the equipment to be damped is sensed in real time, the self-rigidity parameter is regulated and controlled according to a control algorithm so as to adapt to the change of the vibration frequency, broadband vibration control is achieved, and the excellent self-adaptability is achieved.

The technology provides a system and method for assessing loss of vibration perception in a subject. It may be useful for the self-diagnosis, self-monitoring and self-treatment of adverse health conditions such as cutaneous neuropathy or diabetic foot, and for developing related prognoses. The system comprises a wearable or handheld vibration device 101 which includes piezoelectric 105,107 elements. These may be actuated to produce vibrations which are transmitted to the body surface of the subject by a probe. A communications apparatus is provided so that data can be transferred between the vibration device and a computing device such as a smartphone. The computing device is arranged to control levels of intensity of vibration of the piezoelectric elements 105,107, to record data representing levels of intensity of vibration, and to record and track input data entered by the user, corresponding to levels of intensity of vibration at which the subject perceives the transmitted vibrations via their body surface. With Figure 1

This invention discloses a vibration-sensing isolator, comprising a magnetic field generating structure (1), a magnetorheological fluid variable damping structure (2) driven by a compressive-torsional metamaterial, a magnetorheological elastomer variable stiffness structure (3), and a triboelectric nanogenerator vibration sensor structure (4). The magnetic field generating structure (1) is fitted outside the magnetorheological fluid variable damping structure (2), the magnetorheological elastomer variable stiffness structure (3) is placed inside the magnetorheological fluid variable damping structure (2), and the triboelectric nanogenerator vibration sensor structure (4) is fitted onto the magnetorheological fluid variable damping structure (2). The magnetic field generating structure (1) is used to generate a magnetic field parallel to the rotation axis, the magnetorheological fluid variable damping structure (2) is used to provide adjustable damping, the magnetorheological elastomer variable stiffness structure (3) is used to provide variable stiffness, and the triboelectric nanogenerator vibration sensor structure (4) is used to sense vibration through self-generated power. The vibration-sensing isolator of this invention has accurate vibration sensing, good vibration isolation effect, and long service life.

The invention discloses a vibration isolator structure with a vibration sensing function and an assembling method of the vibration isolator structure, and a dynamic response sensing structure in a disc spring vibration isolation steel frame interlayer is formed by a plate type PTFE sheet capable of freely moving along with vibration of mechanical equipment in a clamping groove through hole. Metal disc reeds are adopted to form a vibration isolation inner core frame, a rubber layer with a clamping groove through hole is arranged in the middle of the vibration isolation inner core frame, and a plate type friction nanometer power generation structure is embedded in the clamping groove through hole, so that a vibration isolation inner core is formed. The cover plate with the cylindrical shell is adopted, the cylindrical shell is embedded into the inner hole and the outer hole of the vibration isolation inner core, and the vibration isolation inner core can be formed by stacking a single set of vibration isolation inner cores or multiple sets of vibration isolation inner cores. The upper cover plate and the lower cover plate are externally connected with a bearing, a metal disc spring in the vibration isolation inner core and a middle rubber layer form a vibration isolation structure, a friction nanometer power generation structure in a clamping groove through hole achieves sensing output electric signals of dynamic response, and the integrated design of vibration isolation and vibration state sensing functions is achieved.

This invention provides a vibration-temperature composite sensor, belonging to the field of temperature and vibration measurement technology. It includes a housing, an adapter, and a sensing component. The housing has an internal mounting cavity with a downward-through connecting hole at the bottom. The adapter is located at the bottom of the housing. Multiple mounting holes are provided on one end of the adapter facing the housing, spaced around the connecting hole. The other end of the adapter is screwed onto the substrate to be measured. The sensing component includes a vibration sensing component fixed to the side wall of the mounting cavity, a temperature sensing component confined within the connecting hole, and adapter cables connected to both the temperature and vibration sensing components. A positioning element passes through the housing, screwing downward into one set of mounting holes. The vibration-temperature composite sensor provided by this invention allows for multi-angle adjustment of the adapter cable around the adapter, extending cable life and ensuring the continuity and accuracy of sensor signal transmission.

The utility model discloses a handpiece and a skin treatment device, the handpiece comprises: a housing, one end of which is used for assembling a tool bit; the driving structure comprises a driving assembly and a transmission shaft which are arranged in the length direction of the shell, and the transmission shaft is used for driving the transducer assembly to move; the driving support comprises a mounting frame, a supporting column and a buffer pad, the mounting frame is used for mounting the driving assembly, one end of the supporting column is fixedly connected with the mounting frame, the other end of the supporting column is fixedly connected with the inner side wall of the shell, and the buffer pad is arranged at the joint of the supporting column and the mounting frame; the driving assembly and the installation frame are hung on the supporting column. According to the technical scheme, the vibration sense of the handpiece during working can be reduced.

The present application belongs to the technical field of vibration and temperature detection, and particularly relates to an anti-interference vibration and temperature composite sensor, which comprises a shell, the shell defining a first chamber and a second chamber; a vibration sensing element accommodated in the first chamber; a temperature sensing element accommodated in the second chamber; a circuit board accommodated in the first chamber; a shielding cover covering the vibration sensing element; a first potting body made of low-thermal-conductivity material is arranged in the first chamber, and a second potting body made of high-thermal-conductivity material is arranged in the second chamber; and an air gap is arranged between the second potting body and the vibration sensing element. By arranging the air gap between the second potting body and the vibration sensing element, the direct extrusion of the axial expansion stress of the second potting body due to thermal expansion and cold contraction on the vibration sensing element is effectively relieved, so that the bonding interface between the vibration sensing element and the first wall of the shell is prevented from being invalid due to stress concentration.

A bite detector for detecting movement of a fishing line comprising a detachable vibration sensing module 300 and a housing, the housing comprising an internal clip 131 to releasably secure a portion

The invention relates to the technical field of mechanical transmission testing, and discloses a comprehensive performance testing system based on a speed reducer and a detection method thereof. The system comprises an initial detection module which acquires and preprocesses a vibration waveform through a vibration sensing device to obtain initial vibration data; the depth analysis module is used for decomposing the data into characteristic wave bands, calculating energy distribution and fusing real-time rotating speed to generate a comprehensive vibration characteristic vector; the load regulation and control module is used for matching the vector with a reference feature library and calculating a load compensation amount to generate a brake control instruction; the rotating speed calibration module is used for monitoring rotating speed fluctuation and generating valve opening correction parameters; and the system integration module is used for integrating instructions. According to the system, deep perception of the operation state and state-based feed-forward type load accurate regulation and control can be realized, and the identification capability of early faults and the evaluation accuracy under the dynamic load in the test process are improved.

The disclosure relates to a system for sensing and recognizing acoustic and / or vibrational anomalies. The system comprises: a unit using optical fiber for the distributed acoustic and / or vibrational sensing of at least one acoustic and / or vibrational anomaly and for generating an alarm signal representative of the sensing of such at least one anomaly; one or more acoustic-electric transducers to sense one or more ambient audio signals associated with the at least one acoustic and / or vibrational anomaly and to convert such ambient audio signals into electrical signals; an audio classifier module configured to classify the electrical signals generated based on at least one algorithm for data analysis and machine learning of information from the data, to generate a classification signal; a correlator module configured to receive the alarm signal and the classification signal and to compare such signals to generate a qualified alarm signal.