235results about How to "Improve vibration efficiency" patented technology

A vibration element includes a substrate, a piezoelectric element including a piezoelectric layer and an electrode layer, and a bonding layer provided between the piezoelectric element and the substrate and comprising ceramic containing melted glass powder, wherein the vibration element causes the substrate to vibrate by vibration energy of the piezoelectric element to output the vibration energy of the substrate, and the piezoelectric element is fixed to the substrate via the bonding layer.

A fan assembly including a fan, a supporting case to cover an outer surface of the fan and to support the fan, and an anti vibration member interposed between the fan and the supporting case to prevent a vibration occurring in the fan from being transmitted to the supporting case.

A resonator element includes a base portion in which a pair of notches is formed, a pair of resonating arms which is extended in parallel from one end side of a first portion of the base portion. The resonating arm is provided with a bottomed elongated groove which has an opening along at least one principal surface of both principal surfaces and a weight portion which is formed at the tip end side of the resonating arm on the opposite side of a root of the resonating arm attached to the base portion and which has a larger width than on the root side. The weight portion is formed so that the proportion of the length of the weight portion to the length from the root to the tip end side in a longitudinal direction of the resonating arm is within a range of 35% to 41%.

A vibrating body comprising a substrate a piezoelectric element comprising a piezoelectric layer and electrode layers and joined to the substrate and a ceramic layer between the substrate and the piezoelectric element, wherein the ceramic layer comprises a first region and a second region which is adjacent to the first region in a direction perpendicular to a thickness direction of the ceramic layer, wherein the first region has a quadrangular prism shape, each side of the first region having a length equal to a thickness of the ceramic layer, wherein the second region has a quadrangular prism shape, each side of the second region having the length equal to the thickness of the ceramic layer, and wherein a difference between a porosity of the first region and a porosity of the second region is not greater than 15%.

A clam type mobile phone includes a base, a motherboard, a hinge seat, a display device and a vibrator. The motherboard is configured in the base. The hinge seat is mounted on one side of the base. The display device is mounted on the hinge seat. The hinge seat enables the display device to rotate relative to the base. The vibrator is configured in the hinge seat and electrically connected to the motherboard for providing the clam type mobile phone with a vibration function.

A method of correcting a resonance frequency in a vibration speaker generating acoustic sound and vibration includes adjusting the actual resonance frequency to a higher resonance frequency by limiting a predetermined portion of an elastic member installed in a case to an inside of the case to increase the resonance frequency when the actual resonance frequency is not identical to nor less than the desired resonance frequency, thereby adjusting an actual resonance frequency to be identical to a desired resonance frequency, and adjusting the actual resonance frequency to a lower resonance frequency by cutting off another predetermined portion of the elastic member to decrease the resonance frequency when the actual resonance frequency is not identical to nor greater than the desired resonance frequency, thereby adjusting an actual resonance frequency to be identical to a desired resonance frequency. In the vibration speaker, the actual resonance frequency is corrected to the desired resonance frequency, thereby reducing a defect of the vibration speaker.

A fan assembly including a fan, a supporting case to cover an outer surface of the fan and to support the fan, and an anti vibration member interposed between the fan and the supporting case to prevent a vibration occurring in the fan from being transmitted to the supporting case.

Provided are a vibrating body and a vibration wave actuator, which can suppress vibration attenuation along with a reduction in size with an inexpensive structure, to thereby improve vibration efficiency, and can output stable vibration energy. A vibrating body includes: a piezoelectric element including a piezoelectric layer and an electrode layer; a ceramic substrate to which the piezoelectric element is fixed; and a ceramic layer including the same main component as a main component of the ceramic substrate, which is provided between the piezoelectric element and the ceramic substrate, and the piezoelectric element is fixed to the ceramic substrate through intermediation of the ceramic layer.

A vibration device for generating vibration using sound pressure includes a cone paper damper generating vibration and a bobbin guiding a voice coil to allow the same to be stably provided. A connection member and a vibration probe are coupled at the center of the upper surface of the cone paper damper and the bobbin. The vibration device directly receives the vibration, which is generated from the cone paper damper, and transmits the vibration to the vibration probe. In addition, a human-body stimulation apparatus includes the vibration device having a cone paper damper for generating vibration and a bobbin for guiding a voice coil to allow the voice coil to be stably provided. The human-body stimulation apparatus receives a sound source using various forms of interfaces for storing or providing the sound source.

The invention relates to a rotary drum membrane component which comprises a plurality of membrane units, a lower support disc used for fixing the membrane units, an upper cover arranged above the membrane units, a rotating shaft that passes through the lower support disc and the upper cover and is fixed on the lower support disc and the upper cover, and a first motor connected with the rotating shaft; and the rotating shaft is driven to rotate by the rotation of the first motor. The invention also provided with a membrane bioreactor comprising the rotary drum membrane component and a cleaning method for the membrane bioreactor. When being used for cleaning contamination, the rotary drum membrane component can rotate according to the predetermined frequency, and friction is generated between the membrane units and water, so that the contamination to the membrane units can be more easily reduced; the rotary drum membrane component can be used for stirring sewage, so that the filter work can be more effectively carried out; and furthermore, the vibration action of ultrasonic wave for the membrane units is more uniform, so that the vibration efficiency is improved, and the number of ultrasonic units can be reduced.

The invention relates to a full-automatic tester for a slump degree of cement concrete. The full-automatic tester comprises an environmental box, as well as a slump degree cylinder, a scraping apparatus and an inserting and pounding apparatus which are successively arranged in the environmental box from bottom to top, wherein the slump degree cylinder is connected with a vertical traction apparatus; the scraping apparatus is provided with a through hole capable of being communicated with the upper end of the slump degree cylinder, and the scraping apparatus is connected with the horizontal traction apparatus; the lower end of the inserting and pounding apparatus can stretch into the slump degree cylinder, and the upper end of the inserting and pounding apparatus is connected with a liftingapparatus; a feeding apparatus for feeding materials into the slump degree cylinder is also arranged above the slump degree cylinder; the vertical traction apparatus, the horizontal traction apparatus and the lifting apparatus are respectively connected with a power apparatus, and the power apparatus is connected with a controller; and a measurement apparatus for acquiring a slump degree of cement concrete is also installed in the environmental box. By adopting the full-automatic tester for the slump degree of the cement concrete, the accuracy of a test result can be ensured, the automatic operation can be realized, the experiment continuity is good, and the accuracy and reality of a measured result are good.

The invention discloses a device for analyzing the stability of an embankment under the effect of an earthquake load and a manufacturing method of the device. The device comprises a sand box and an embankment model, wherein the sand box can be connected with a vibration table, the embankment model is arranged in the sand box, tracking particles and a scaleplateare are arranged outside organic glass and wood plates of the sand box, and the length of the lower layer wind accumulation sand in the wind accumulation sand of adjacent layers of the embankment model is greater than that of the upper layer wind accumulation sand, so that a side slope is formed, the embankment model is provided with a plurality of acceleration sensors, a soil pressure sensor and a displacement sensor, the tracking particles arranged on the three side surfaces of the sand box are respectively and correspondingly provided with supplementing light sources and cameras, the three cameras are respectively connected with a computer data collecting control table, organic glass plates are used at the two sides of the sand box, and further, the test phenomenon can be more easily observed. In order to reduce the weight of the sand box and to void the waste of test resources, a composite wood plate is used at one side of the sand box, the use requirements are met, meanwhile, the weight of a box body is reduced to the maximum degree, the test and the transportation are convenient, and the vibration efficiency of the vibration table is improved.

The invention relates to the technical field of bridge construction structures, in particular to a multifunctional integral intelligent tower building device. The multifunctional integral intelligenttower building device comprises an outer mold bracket and an inner mold bracket, wherein the outer mold bracket is provided with an outer mold climbing system, a curing system and a material distribution system; the inner mold bracket is provided with an inner mold climbing system, a vibration system and a shielding system; and the outer mold bracket is also provided with a control system for controlling the outer mold climbing system, the curing system, the material distribution system, the inner mold climbing system and the vibration system. The integral intelligent tower building device disclosed by the invention has the advantages of good operation environment, high construction efficiency, high construction quality, small safety risk, simple structure and reasonability in design and also has a high automation degree and an extremely high promotion value.

A vibration type compressor related to the present invention, in which a compressor main body 3 is built into a gastight vessel 2 including a yoke 7-1, a magnetic path member 7 formed from a column-shaped core pole 7-2, a permanent magnet 12 arranged in the magnetic path, an electromagnetic coil 14 which is arranged within an annular magnetic gap 13 between the magnetic path members 7 by being supported by a mechanical vibration system to as to be able to vibrate and is wound around a lead plate to perform the connection treatment of a terminal thereof, a piston 16 connected to the electromagnetic coil 14, and a cylinder block 8 which closes the yoke 7-1 and in the interior of which is formed the cylinder portion 17 housing the piston 16, characterized in that the permanent magnet 12 is formed from a neodymium magnet or a rare-earth magnet and in that the cylindrical permanent magnet 12 is divided into four parts in the axial direction thereof, the four-part divided magnet being bonded and fixed to the side of the core pole 7-2, whereby the vibration type compressor is miniaturized and its efficiency is increased.

The invention relates to the field of nucleic acid extraction instruments, and particularly relates to an efficient extraction oscillation module of a nucleic acid extraction instrument. The efficientextraction oscillation module comprises a horizontal movement module, a vertical movement module and a photoelectric sensor used for detecting the position of the horizontal movement module, whereinthe vertical movement module comprises a vertical movement motor and a lead screw motor, so that a magnetic bar frame and a magnetic bar sleeve frame can independently move in the vertical direction;and the horizontal movement module comprises a horizontal movement motor and a transmission device matched with the horizontal movement motor. The efficient extraction oscillation module overcomes thedefects that in the prior art, a nucleic acid extraction instrument is large in load, large in noise and low in cracking efficiency in the oscillation process, and therefore the efficient extractionoscillation module has the advantages of being capable of effectively reducing the oscillation load, effectively reducing the oscillation noise and improving the oscillation efficiency of a magnetic bar sleeve.

A haptic feedback device includes: a haptic device receiving a contact pressure applied thereto; and an actuator provided to the haptic device and excited according to a change in the contact pressure of the haptic device to generate vibrations.

The invention provides a concrete vibrator which comprises a supporting platform and a vibrating rod. A push handle and a lifting device are arranged on the supporting platform, the lifting device comprises a vertically arranged slide rail, a slide block is arranged in the slide rail, a rack is arranged on one side of the slide block, a transverse first cantilever plate is arranged on the other side, a vertical slot where the first cantilever plate moves up and down is formed in the side, far away from the rack, of the slide rail, the vertically arranged vibrating rod is arranged on the firstcantilever plate, the rack is engaged to a half gear, the half gear is mounted on a rotary shaft in a sleeving manner, the rotary shaft is rotatably mounted on a rotary shaft rack, the rotary shaft isdriven by a first driving device to rotate, a horizontal limiting plate is arranged at the top end of the slide rail, a sliding through hole is formed in the horizontal limiting plate, a sliding baris arranged on the top of the slide block, the upper end of the slide bar penetrates the sliding through hole, and a limiting block is arranged at the upper end of the slide bar. The vibrator can meetthe demand that the vibrator is inserted into concrete quickly and is pulled out of the concrete slowly, and meanwhile, the vibrator is relatively high in vibrating efficiency and guarantees the quality of a concrete member.

The invention discloses a slab bridge pier column concrete vibration device which comprises a connecting seat. A connecting rod is arranged on the middle portion of the upper surface of the connectingseat. Lifting mechanisms are arranged on the outer surface of the connecting seat. The three lifting mechanisms are arranged at equal angles. An installation board is arranged at the bottom ends of the three lifting mechanisms. A fixed seat is connected to the lower surface of the installation board. Vibration rods are arranged on the lower surface of the installation board. The input ends of thevibration rods are electrically connected with the output end of an external control switch. The five vibration rods are arranged at equal intervals. The vibration rods are movably sleeved with through holes in the fixed seat. Sleeves are fixedly connected to the lower surface of the fixed seat. The outer surfaces of the vibration rods are movably sleeved with the sleeves. By the adoption of theslab bridge pier column concrete vibration device, the multiple vibration rods work at the same time, time and labor are saved, the burying depth of the vibration rods can be adjusted, concrete at different depths can be conveniently vibrated, the inside and the surface of the concrete are vibrated at the same time, and vibration efficiency is improved.

A skin and scalp massaging apparatus using acoustic pressure. A vibration member generates vibration using acoustic pressure induced when a sound source is generated. A vibration probe is coupled to the vibration member to receive vibration. The vibration probe has a detachably provided head having various purposes. The head is provided to massage skin or scalp. The vibration probe is coupled to a cone paper damper for generating vibration through a connection member to which the vibration member is coupled. The vibration probe is coupled to the cone paper damper of the vibration member, so that vibration is directly received, and thus, the vibration efficiency can be improved. Further, the head for the skin massage or the scalp massage is detachably provided on the vibration probe, and thus, can be used for various purposes of, for example, massaging skin, scalp, or the like.

The invention relates to a concrete vibrating robot which can be used for vibrating of concrete at a construction site. The concrete vibrating robot is mainly composed of the following parts of (1) asix-legged mobile chassis, (2) a control assembly, (3) a driving module and (4) a vibrating module. According to the concrete vibrating robot, a vibrating bar is fixed to the multi-leg robot, the travelling direction and speed of the vibrating robot can be wirelessly controlled remotely through an APP, opening and the vibrating frequency of the vibrating bar can be further wirelessly controlled remotely, and thus precise vibrating is achieved; the concrete vibrating robot is small in size and can adapt to narrow and complex terrains; the vibrating compactness is high, the vibrating quality isgood, the vibrating efficiency is high, the time and labor are saved, and all-weather vibrating can be achieved; the construction period is shortened, operation is convenient, mastering is quick, andthe requirement for works is low; travelling and vibrating of the vibrating robot can be conveniently controlled through the mobile phone APP, and the requirements for the physical strength and experience of constructors are much lower than the requirements of hand-held vibrating for the physical strength and experience of the constructors; and through mounting and vibrating simulation, the feasibility and reliability of concrete vibrating of the concrete vibrating robot are proved.

The invention discloses a concrete vibrating device for municipal highway engineering. The concrete vibrating device for municipal highway engineering comprises a vehicle frame. Traveling wheels are symmetrically arranged on two sides of the vehicle frame. Wheel shafts are symmetrically arranged on two sides of the vehicle frame and sleeved with supporting bearings arranged on the lateral walls ofthe vehicle frame. The traveling wheels are arranged at the outer side ends of the wheel shafts in a sleeve mode. The two wheel shafts inside the vehicle frame are connected through a bent axle. According to the concrete vibrating device for municipal highway engineering, a traveling motor inside a machine room drives a vertical rotary shaft to rotate, the vertical rotary shaft drives the wheel shafts to rotate through engagement transmission of a vertical bevel gear and a horizontal bevel gear, and the wheel shafts drive the traveling wheels to travel. In addition, the wheel shafts rotate todrive the bent axle to rotate, an axle sleeve and a connecting rod drive a movable plate to move up and own along a vertical sliding groove when the bent axle rotates, the movable plate moves up anddown to drive a vibrating rod to extend into or be pulled out of concrete, efficient vibration is carried out on concrete poured during municipal engineering, labor intensity of workers is relieved, the vibration efficiency is high, and the vibration effect is good.

The invention discloses a vertical vibration forming process and a forming device for a reinforced concrete pipe. The vertical vibration forming device comprises a base, and a support frame, a pipe mold and a vibration device mounted on the base, wherein a conveying slide rail is arranged on the base; the pipe mold is mounted on the conveying slide rail; the vibration device includes a mechanicalvibrator, a first knocking module and a lifting module; and the first knocking module includes a hanging disc, a knocking motor, a rotating shaft and a knocking rod. The vertical vibration forming device is excellent in vibration effect and uniform in vibration, improves the quality of the reinforced concrete pipe, is high in vibration efficiency, accelerates vibration forming of the reinforced concrete pipe, and is high in production efficiency.

A droplet generation apparatus is applied to a nebulizer. The droplet generation apparatus comprises a vibratable member, a nozzle disc, a housing and a connection member or a fastening plate or both the connection member and the fastening plate. The vibratable member has a first through hole. The nozzle disc has a plurality of apertures facing the first through hole, and is combined with the vibratable member. The connection member is disposed between the vibratable member and the nozzle disc, and has a second through hole corresponding to the first through hole. Alternatively, the fastening plate is combined with the nozzle disc. The housing covers up the combination of the vibratable member, the nozzle disc and the connection member or the fastening plate. Vibration efficiency generated by the vibratable member is improved through the connection member. An accommodation space is formed by the fastening plate and the nozzle disc.

A vibration motor comprising at least one stationary part and one part driven to move relative to said fixed part, together with excitation means suitable for exerting forces that tend to move rigid contact sectored presented by said fixed part and / or said moving part and to cause said rigid sectors to vibrate in vibration modes that combine tangential vibration and normal vibration, thereby driving the movement of the moving part, said motor presenting for the tangential vibration or the normal vibration a main resonant mode and at least one secondary resonant mode, wherein the secondary resonant mode is at a frequency that is substantially equal to a harmonic frequency of the main resonant mode.

The invention belongs to the technical field of PCB production, and particularly relates to a PCB washing pool. The PCB washing pool comprises a water pool. Washing liquid and purified water are contained in the water pool. A pair of rail troughs is arranged above the water pool. The portion, located above the water pool, of each rail trough is concaved downwards to form an arched structure. A running trolley is arranged in the rail troughs, and roll in the rail troughs through rubber rolling wheels. The rubber rolling wheels are driven by a hub motor arranged in the rubber rolling wheels, andthe hub motor is connected with a power source through a controller. A circuit board is fixed to the bottom of the running trolley through a set of ropes. According to the PCB washing pool, the running trolley moves in the direction close to the water pool, then the circuit board is driven by the ropes to move, due to the fact that the portions, located above the water pool, of the rail troughs are concaved downwards to form the arched structure, the circuit board enters the water pool in an oblique state, then the speed that the circuit board enters the water pool is increased, and the cleaning efficiency of the circuit board is increased.

The invention discloses a heat treatment process of acoustic guitar sound boards comprising following steps: S1. sound board selecting; S2. sound board drying; S3. sound board processing; S4. sound board preheating and humidifying; S5. sound board heating and insulating; S6. sound board cooling; S7. sound board water content adjusting; S8. sound board polishing and splicing. High temperature heating processes are separately performed on the front part, side part and back part sound boards of a guitar before guitar processing and assembling; the guitar sound boards after high temperature heat treatment are not liable to absorb water or crack and the dimensional stability is greatly increased; the acoustic performance of the guitars with the sound boards that are subjected to the carbonization treatment is superior to other guitars which are not subjected to the carbonization treatment. The heat treatment process of acoustic guitar sound boards is a green and environmental protection processing method for novel instruments.