90 results about "Vibration sense" patented technology

The invention provides a multifunctional sound production device. The multifunctional sound production device comprises a shell with an accommodating space, a vibration unit accommodated in the shell, a driving coil for driving the vibration unit to vibrate, and an elastic sheet fixed on the vibration unit and the shell, the vibration unit comprises a lower clamping plate connected with the elastic sheet and a sound production single body fixed in the lower clamping plate, and a vibration system of the sound production single body comprises a vibrating diaphragm fixed to the basin frame and a voice coil driving the vibrating diaphragm to vibrate and produce sound in the first direction. The magnetic circuit system of the sound production single body comprises main magnetic steel fixed on the lower clamping plate, and the driving coil and the main magnetic steel are oppositely arranged in a spaced mode in the first direction so as to drive the vibration unit to vibrate in the second direction perpendicular to the first direction. The loudspeaker assembly and the motor assembly share one magnetic circuit system, so that the cost is effectively reduced, the vibration sense of the vibration unit is increased, and the performance of the multifunctional sound production device is improved.

The invention discloses a system for suppressing vibration in the machining process of a numerical control machine tool and a vibration suppression method. The system comprises a vibration sensing module, a signal processing and decision module, a vibration suppression execution module and a feedback and optimization module. The vibration sensing module monitors vibration information including vibration frequency, vibration amplitude and vibration sources in the machining process of the machine tool in real time and sends the vibration information to the signal processing and decision module; the signal processing and decision-making module performs vibration feature extraction according to the received vibration signal, and generates a reverse suppression signal based on a vibration feature adaptive filtering algorithm or model prediction control; the vibration suppression execution module performs vibration suppression according to the received reverse suppression signal; and the feedback and optimization module detects the residual vibration quantity and the state of the vibration suppression execution module, adjusts the control parameters of the vibration suppression execution module in real time, and forms a self-adaptive vibration suppression closed loop.

The invention relates to the technical field of magnetic core extrusion forming machines, and discloses a soft magnetic ferrite core extrusion forming machine which comprises a driven telescopic plate, a contact ring is fixedly connected to the end of the driven telescopic plate, and a transmission plate is fixedly connected to the surface of the driven telescopic plate. A vibration mechanism is arranged, a power device is started to drive a rotating shaft to rotate at the moment, when the rotating shaft rotates, a vibration roller is driven to rotate, when the vibration roller rotates, friction is generated between the vibration roller and the surface of a vibration plate, a vibration sense is generated in the friction process of the vibration roller and the vibration plate, and when the vibration plate vibrates, a driven telescopic plate is driven to vibrate; when the driven telescopic plate vibrates, the contact ring is driven to vibrate, when the contact ring vibrates, the positioning ring is driven to vibrate, and when the positioning ring vibrates, the internally-formed magnetic core is separated from the inner wall of the positioning ring and the surface of the extrusion die, so that the magnetic core is effectively separated from the extrusion die and the positioning ring and cannot be bonded together.

The embodiment of the utility model discloses a vibration sensing circuit, a piezoelectric sensing assembly and a vehicle-mounted sensing system. The vibration sensing circuit comprises at least one sensing sub-circuit; the input end of each sensing sub-circuit in the at least one sensing sub-circuit can be connected with the piezoelectric vibrator sensor, the output end of each sensing sub-circuit can be connected with the controller, and each sensing sub-circuit comprises an amplifying circuit and a controlled switch; the first input end of the amplifying circuit serves as the input end of each sensing sub-circuit to be connected with the piezoelectric vibrator sensor, the second input end of the amplifying circuit is grounded, the output end of the amplifying circuit is connected with the control end of the controlled switch, and the first end of the controlled switch serves as the output end of each sensing sub-circuit to be connected with the controller. The second end of the controlled switch is grounded.

The present invention discloses a sonic motor, comprising a housing, a tailstock disposed at one end of the housing, an output shaft disposed at the other end of the housing, a rotor assembly disposed within the housing, the rotor assembly comprising a core shaft, an iron core disposed around the circumference of the core shaft, the iron core comprising four symmetrical winding posts, each of which is wound with a coil, a spring assembly disposed at one end of the core shaft located at the tailstock, the other end of the core shaft connected to the output shaft, and two mutually symmetrical magnetic tiles disposed on the inner wall of the housing. The present invention also discloses a method for implementing a sonic motor. The iron core of the present invention can be wound with four coils, which, when energized, act as four magnetic tiles, interacting with the two symmetrical magnetic tiles on the inner wall of the housing to provide driving force for the motor. Compared with the prior art method of providing four magnetic tiles, only two magnetic tiles are used while ensuring that the vibration sense remains unchanged, thereby greatly reducing production costs.

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 present application relates to liquid die forging forming device technical field, and disclose a kind of energy-saving liquid die forging forming device, including moving frame, the bottom of moving frame is fixedly connected with curved plate, curved plate is fixedly connected with contact ring in the end away from moving frame.The present application is vibrated by being set mechanism, contact ring moves and will drive curved plate move to mutually close direction, when curved plate moves, will drive moving frame on the surface of slide rail slide to mutually close direction, when contact ring moves, will be contacted with the surface of forming cavity, power device is started to drive shaft rotation at this time, when shaft rotates, will be contacted with the bottom of vibration plate, friction is carried out to generate vibration feeling, when vibration plate vibrates, will make moving frame vibrate, when moving frame vibrates, will make curved plate vibrate, when curved plate vibrates, will make contact ring vibrate, when contact ring vibrates, will make forming cavity vibrate, so that the hub formed by vibration is loosened and cannot be adhered to the inner wall of forming cavity.

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.

An embodiment of the present disclosure provides a vibration sensing device, which may include a vibration sensor and at least one vibration component. The vibration sensor has a first resonant frequency, at least one vibration component may be configured to transmit the received vibration to the vibration sensor, and the at least one vibration component may include a liquid arranged in the target cavity and a plate body forming a part of the cavity wall of the target cavity. The at least one vibration component may provide at least one second resonant frequency for the vibration sensing device, and at least one second resonant frequency may be different from the first resonant frequency.

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.

A linear vibration motor having non-contact vibration damping, comprising a machine housing (1) and a lower holder (11); a stator assembly is provided on the lower holder (11), a vibrator assembly is sleeved outside the stator assembly, the machine housing (1) is sleeved outside the vibrator assembly, two sides of the vibrator assembly are connected to the machine housing (1) by means of a spring (9), the spring (9) has an S-shaped structure, the vibrator assembly comprises a counterweight block (3), a magnetic steel group is provided inside the counterweight block (3), and a balancing block (4) is provided on the magnetic steel group. Further disclosed is an implementation method for a linear vibration motor having non-contact vibration damping. Compared with a linear vibration motor in the prior art, the described linear vibration motor has a more compact structure, and is extremely suitable for motors with small volumes or small vibration direction sizes; and the spring occupies a smaller space, but can provide a larger deformation space, ensuring a vibration sense in a small size and increasing the space utilization of products.

An ultrasonic surgical device comprising of a proximal end and a distal end to be used in a robotic surgical system. The distal end comprises of a first jaw with an ultrasound transducer array and a second jaw with either a reflecting surface or an ultrasound transducer array. The distal end is configured to grasp a blood vessel or a living tissue. The proximal end is configured to apply a drive signal to the ultrasound transducer array. A plurality of rotary joints is connected at the distal end to facilitate its articulation. The ultrasound transducer array, generates acoustic vibrations in the grasped blood vessel, or living tissue, based on the applied drive signal by a control system of the robotic surgical system. The ultrasound transducer array, is configured to sense parameters of a target site on a grasped blood vessel or living tissue, based on the reflected acoustic vibrations.

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.

The present application provides a mass flow meter comprising: at least one flow tube, any one of which is axially symmetric about an imaginary axis of symmetry; the shock excitation unit is arranged on the middle pipe section and used for driving the flow pipe to vibrate; the vibration sensing unit comprises pickup sensors symmetrically arranged on the two sides of the excitation unit, and the pickup sensors are used for acquiring vibration signals of the flow pipe; furthermore, the flow pipe comprises a middle pipe section passing through the imaginary symmetry axis and inner bent pipe sections located at the two ends of the middle pipe section, the middle pipe section is in smooth connection with the inner bent pipe sections, the middle pipe section of the flow pipe is a straight pipe, the inner bent pipe section of the flow pipe is a bent pipe, and the ratio of the length of the middle pipe section to the outer pipe diameter of the middle pipe section is larger than 0 and smaller than or equal to 3. According to the mass flow meter, the sensitivity of the vibration frequency of the mass flow meter affected by pressure is low, and detection is more accurate.

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).

The invention relates to the technical field of medical equipment, in particular to a vibration control and analysis system for neuropathy process screening, which comprises a starting analysis module, a synchronous monitoring module, a feedback regulation module, a state monitoring module and an abnormal response module. According to the invention, through joint standardized analysis of multiple signals of skin conductivity, skin temperature, local blood flow and muscle activity, a multi-parameter reference baseline is established, real-time monitoring and data linkage of the whole detection process are realized, a stimulation stepping strategy is adaptively adjusted according to a feedback signal, and different types of signal offsets are actively identified and graded; according to the system and the method, physiological reaction and equipment abnormity are dynamically screened, traceable safety prompts are automatically output, full-link intelligentization of a detection process from signal acquisition, state monitoring and feedback judgment to safety response is promoted, the continuity and quantifiable level of vibration sense threshold detection data of a subject are improved, and screening judgment is more scientific and has higher clinical reference value.

The invention relates to an amplitude control method and device, electronic equipment, a storage medium and a program product, and relates to the technical field of electronic information, and the method comprises the following steps: obtaining a first amplitude of a vibration element in a current period; and inputting the first amplitude into a pre-trained amplitude prediction model to obtain a second amplitude output by the amplitude prediction model. The amplitude prediction model is obtained by training a plurality of sample amplitudes, and the plurality of sample amplitudes are obtained by performing fast Fourier transform on a plurality of sample vibration signals which are continuous in time sequence. And controlling the amplitude of the vibration element in the next period according to the second amplitude. Through the pre-trained amplitude prediction model, the second amplitude of the next period is predicted according to the first amplitude of the current period, so that the amplitude of the vibration element of the next period is calibrated according to the second amplitude, the amplitude of the vibration element can be effectively calibrated, the problem of vibration sense deviation of the vibration element is avoided, and the accuracy of the vibration element is improved. And the use experience of the user is improved.

Medical Device for Thermal and Vibration Sensory Assessment

The present invention provides a haptic feedback device including a suspension and a fixing assembly. The suspension assembly includes a housing, at least one linear shaft, and a vibration motor. The fixing assembly includes a base enclosing a receiving space and at least one bearing member. The housing is spaced apart from the base. The linear shaft passes through the bearing member and extends beyond the bearing member. The vibration motor drives the suspension assembly to move reciprocally. The suspension assembly of the present invention can retain the vibration freedom only in a single direction, and the distribution of vibration sensation is more uniform. The vibration sensation transmitted to the fixed assembly is small, and the vibration sensation is more concentrated on the suspension assembly. When the suspension assembly is applied by an external pressure, the pressure has little effect on the vibration sensation intensity.