168results about How to "Increase vibration intensity" patented technology

The present invention provides a horizontal linear vibrator which can reduce the thickness but increase the strength of vibrations while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. A first magnet is attached to an upper plate of the casing. The bracket is coupled to the lower end of the casing. The second magnet is attached to the bracket such that different poles of the first and second magnets face each other. The vibration unit has a weight, and a cylindrical coil which is provided in or under the weight. The springs are coupled to the sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.

There is provided a haptic feedback actuator, a haptic feedback device and an electronic device. The haptic feedback actuator includes a support plate disposed in a lower portion of a haptic device; one or more actuators disposed on the support plate, each having one end towards a central portion of the support plate and the other end towards a corner of the support plate, and generating vibrations so as to give different types of haptic feedback according to a change in contact pressure applied to the haptic device; and one or more dividing portions, each penetrating the support plate in a thickness direction thereof and dividing the support plate into vibration areas corresponding to the respective actuators.

The present invention provides a horizontal linear vibrator which can reduce the thickness but increase vibration strength while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. The bracket is disposed under the casing. A cylindrical coil is provided on the bracket. The vibration unit has a magnet, a yoke and a weight. The yoke contains the magnet therein and is open on the lower end thereof. The weight is coupled to the outer surface of the yoke. The springs are coupled to sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.

The invention provides an ultrasonic fingerprint identification region marking system with no need to carry out extra processing on a mobile phone panel. A fingerprint sensor can be hidden under the mobile phone panel without damaging the completeness of the panel. According to an existing scheme, in order to enable a user to find an ultrasonic fingerprint identification region, some extra processing is carried out on the mobile phone panel, for example, a sunken region is processed on the mobile phone panel, thereby enabling the user to identify. The invention provides the ultrasonic fingerprint identification region marking scheme with no need to carry out extra processing on the mobile phone panel. Through adoption of the scheme, a mobile phone display screen is an OLED screen; the whole screen stretches to the bottom of the mobile phone panel; through utilization of a micro power consumption feature when the OLED mobile phone screen displays black, the fingerprint identification region is marked by setting one part of the screen above a hidden fingerprint identification module to be constant bright; and the other part of the screen displays the black, thereby saving power; a user is guided through a mobile phone vibration unit, thereby informing the user of a fingerprint identification region range; and the completeness of the display panel does not need to be damaged for extra processing.

Embodiments for controlling condensate in a charge air cooler are provided. One example method for an engine comprises cooling intake air through a charge air cooler and adjusting a vibration device of the charge air cooler based on charge air cooler condensation conditions.

The invention discloses a method, device and system for actively controlling vibration of a linear motor and electronic equipment. The method comprises the following steps of acquiring an input signal for driving the linear motor; capturing the input signal within a set time as a signal to be analyzed; analyzing frequency points to be processed of the signal to be analyzed within a set frequency range and a voltage corresponding to each frequency point to be processed; obtaining an amplitude under a reference voltage corresponding to each frequency point to be processed according to a displacement model of a corresponding relation between the known reflection frequency and the amplitude under the reference voltage; calculating to obtain that the sum of the amplitude corresponding to each frequency point to be processed does not exceed a voltage amplification factor of maximum safety amplitude according to the maximum safety amplitude of the linear motor, the voltage corresponding to each frequency point to be processed and the amplitude under the reference voltage; sending an adjustment instruction comprising the voltage amplification factor to an amplifier for gain adjustment. Therefore, the highest vibration strength can be output possibly on the premise that the motor safety can be ensured.

A small-sized motor of a structure not requiring any metal holder frame in a surface mounting process to a printed circuit board by reflow soldering, wherein the motor case is provided with a level flat part, a pair of left and right first side parts bent downward from this substantially perpendicularly and parallel to each other, a pair of left and right second side parts bent inward from these at an inclination of about 45°, and a pair of left and right third side parts bent down from these and parallel to each other, and a level bottom part connecting these bottom ends and extending substantially parallel to the level flat part.

The invention discloses a variable stiffness double-mass secondary pendulum chaotic vibromill and relates to a vibromill, and in particular relates to a variable stiffness double-mass two-stage pendulum chaotic vibromill. The chaotic vibromill comprises an upper mass, a lower mass, a main vibration spring, a vibration isolation spring, a base, and the like, wherein the upper mass mainly comprises a vibration motor, a cylinder body, a right connecting frame, a left connecting frame and a counter weight; the cylinder body mainly comprises a feed inlet, an end cover, a discharge hole and a mill medium; the upper mass and the lower mass are connected through the main vibration spring, and the inner diameter of the main vibration spring is matched with the outer diameters of spring guide posts on the upper mass and the lower mass; the lower mass is supported on the base through the vibration isolation spring; the vibration motor comprises pendulum assemblies, and the pendulum assemblies are symmetrically distributed at the left end and the right end of a vibration motor shaft; and each pendulum assembly comprises a fixed pendulum, a flat key, a shaft sleeve, a primary movable pendulum, a bearing 1, a vibration motor shaft, a secondary movable pendulum shaft, a bearing 2 and a secondary movable pendulum.

A total amplitude supporting high-frequency linear vibrating screen belongs to the field of vibrating screening machinery and mainly solves the problem that the existing high-frequency vibrating screen is insufficient in vibration frequency and can not meet production requirements. A plurality of sections of screen cloth are arranged on a screen cloth bracket transversely in a tightening mode in an arc shape, two vibrating devices or vibrating motors are arranged on horizontal and vertical vibrating device base plates in the middle of a vibrating beam, and a vibrating resultant action line passes through the gravity center of a screen box. The screen box is connected with a total amplitude elastic supporting base on a base support through four square trunnions. The total amplitude elastic supporting base is composed of an upper support, a lower support and rubber springs, and the square trunnions are arranged between an upper rubber spring and a lower rubber spring. The base support is connected with a base through a secondary damping device. A sealed slurry material box is arranged at the feeding end of the screen box on the base support. The total amplitude supporting high-frequency linear vibrating screen has the advantages of being high in vibrating frequency and large in vibrating strength and material screening productivity and the like, can be widely applied to precise screening of milled powder of an iron mine ball mill, fine-mesh-level wet materials like petroleum drilling slurry, coal and chemical-mesh-level materials.

An elastic sieving method and corresponding large-sized elastic vibration screen The present invention utilizes a screening surface and a separate sieving machine. A screen mat located on the sieve box is connected to multiple small rectangular screens. While the machine is vibrating, the resonation of screen rods located on the screen mat connected by small rectangular screens are initiated to screen the material and to cause the vibration of the whole vibration screen and realize the conveyance and lamination of materials. Because the screening surface is in a state of resonance, the vibration strength is strong enough to prevent the screen meshes from becoming plugged, allowing for high sieving efficiency. A bearing in the sieving mechanism is installed with a vibration damping ring, placing the bearing in a resonant state, allowing for a low dynamic stress level, which satisfies the process requirement for large-sized vibration screen excitation units with a screening surface as wide as 4800 mm. Thus, the production efficiency of vibration screen is high, the structure of the machine is simple and easy to repair and maintain, and energy consumption is reduced. Furthermore, the dynamic stress level of the sieving machine is low, the reliability is high, and the vibrations are stable. These properties allow the present invention to have a wide range of practical applications, including uses in the coal, metallurgic, chemical and environmental protection fields.

The invention discloses a standard rail chair type elastic rod sieve plate which comprises rail chairs and an elastic sieve surface. The elastic sieve surface comprises a sieve frame, an elastic support body and sieve rods, the elastic support body is fixed in a containing body of the sieve frame, the two ends of each sieve rod are fixed in the elastic support body, and the elastic sieve surface is connected with the rail chairs through buckle devices. According to the standard rail chair type elastic rod sieve plate, the elastic support body can enable the sieve rods to be located in a resonant state in the working process of a vibrating sieve, the vibration intensity of the sieve surface is improved, and by means of the autoroatation and movement in the axial direction of the sieve rods, the problems of material stacking, bonding and mesh blocking are well solved, and the screening efficiency of the vibrating sieve is improved; due to the fact that the rail chairs are connected with the elastic sieve surface through the buckle devices, the structure is compact, assembly and disassembly are convenient, the practicability is strong, and the labor intensity of workers is reduced; according to the standard rail chair type elastic rod sieve plate, the modular design is adopted, and scale production and market promotion are facilitated.

The invention provides a process for forming a vibration and extrusion process prestressed concrete pipe through a core mold vibrator. An inner mode and an outer mold which are completely installed are hoisted to be arranged on the core mold vibrator in a sleeved mode together so that a model and the core mold vibrator can be tightly attached to each other through locking devices. A feed hopper is arranged above the model, the core mold vibrator is started and conducts feeding while vibrating till the model is filled with concrete mixtures, and then other procedures are completed. According to the process, the vibration and extrusion process prestressed concrete pipe is formed by the core mold vibrator which is high in vibration intensity and good in vibration effect, quality of the prestressed concrete pipe can be improved, production cost can be reduced, the environment can be protected, and the waste residue discharge can be reduced.

The invention discloses a self-cleaning vibrating cloth bag dust collector, which comprises a dust removal box body, a cleaning box body is fixed on the top of the dust removal box body, horizontally distributed cloth bag fixing frames are vertically fixed on the side wall of the dust removal box body, the dust removal box body and cleaning The boxes are separated by a cloth bag fixing frame. The bag fixing frame is sealed and fixed with a dust removal bag. The bag support frame is set in the dust removal bag. The air inlet channel is fixed at the entrance of the flue gas, the bottom of the dust bag is fixed with a first snap ring, the outer surface of the side wall of the dust removal box is covered with a fixed bearing ring, and the bottom of the bearing ring is vertically and evenly distributed with four supporting columns , a motor is fixed on the surface of the bearing ring. The present invention is provided with a vibrating frame, which is connected to the dust-removing cloth bag through a buffering and pulling mechanism, and the reciprocating motion of the vibrating frame drives the reciprocating vibration of the dust-removing cloth bag, and the vibration amplitude is relatively large, which can safely realize the self-cleaning ability of the dust-removing cloth bag.

The invention discloses a method, a device and a system for actively controlling linear motor vibration, and electronic device. The method comprises the steps: an input signal for driving a linear motor or a signal generated according to the input signal is acquired for serving as a to-be-processed signal; the frequency and the voltage of the to-be-processed signal are analyzed; according to data for reflecting output voltage, vibration frequency and maximum safe amplitude correspondence, the output voltage for making the analyzed frequency to reach the maximum safe amplitude serves as maximum safe output voltage; according to the maximum safe output voltage and the amplification times of a power amplifier, maximum safe input voltage can be obtained through calculation; an adjusting instruction containing a ratio of the maximum safe input voltage to analyzed voltage is transmitted to a pre-filtering amplifier, and the adjustment of gain is performed; the adjusting instruction containing the maximum safe input voltage is outputted to a compressor and/or limiter, and the parameter adjustment is performed. According to the invention, the maximum vibration strength can be outputted under a premise of ensuring the safety of the linear motor.

The invention relates to an air-suction vibration massager which comprises a massager body, wherein the outer side of the massager body is prepared by using a soft silica gel material; the upper part of the massager body is a massaging part; the lower part of the massager body is a handle; the massager body is in an arc-shaped structure; an air-suction vibration head is arranged on the inner side of the arc shape the massager body; a power supply switch, an air-suction frequency adjustment key, a vibration frequency adjustment key, a charging port and an air outlet are arranged on the surface of the lower part of the massager body. Compared with the prior art, the air-suction vibration massager disclosed by the invention is attractive in appearance, simple in structure, reasonable in structure and the like. The invention also discloses an air-suction massaging method which supplies convenience to users and has a quite high massaging effect; the different massaging method is experienced. A silencing device of the air-suction vibration massager reduces noises caused by the massager, and the massaging efficiency is improved. A vibration motor of the air-suction vibration massager is a frequency conversion motor; vibration intensity is effectively increased by different vibration modes.

There is provided a touch sensitive element including an electroactive layer, and an electrode disposed on at least one surface of the electroactive layer. The electroactive layer has a first portion having a first thickness and a second portion which has a second thickness different from the first thickness and is in contact with the first portion at an outside of the first portion.

The invention provides a sand screening machine for reducing the viscosity of a wet mud, relates to the field of interior decoration machinery equipment, and solves the problems that the wet mud is easy to adhere to a screen mesh or screen holes and the screen mesh is not easy to disassemble and clean. The sand screening machine for reducing the viscosity of the wet mud comprises a servo electriccabinet, a coarse sand screen mesh, an installation plate and the like. By utilizing the principle of homopolar repulsion of magnets, same poles of a No.1 permanent magnet, a No.2 permanent magnet anda No.3 permanent magnet are opposite, so that the vibration strength of a screen mesh body can be improved; a quick lime coating layer and moisture in the wet mud are matched to produce chemical reaction and radiate heat, and a lug and sand generate heat by friction, so that the surface temperature of a mesh surface of the screen mesh rises, the moisture in the wet mud is absorbed, and the wet mud is not easy to adhere sand or block the filtration screen holes; and then by utilizing the principle of opposites attraction of the magnets, the No.3 permanent magnet is turned over at 180 degrees,a movable plate rotates upwards, and the screen mesh body further moves upwards, so that the screen mesh body can be easily taken down and cleaned so as to be conveniently used for the next time.