38results about How to "Oscillation effect is good" patented technology

The invention discloses a water-bath constant-temperature oscillator. The water-bath constant-temperature oscillator is technically characterized by comprising a bearing plate, wherein test tube holesare formed in the bearing plate; a test tube is inserted into each test tube hole; a filling part is filled into a gap between each test tube hole and the test tubes of different diameters so as to fasten the test tubes. The water-bath constant-temperature oscillator has the advantage that the easiness in shaking of the test tubes of different diameters is avoided in the oscillation process.

The present invention proposes a new way of improving the phase stability and frequency selectivity of a phase shift oscillator (100). By introducing a filter-order enhancing feedback loop (124) in association with a phase shift filter (122) in the oscillator, higher-order phase shift filtering can be achieved without using inductive elements as in conventional higher-order LC phase shift filters. This is a great advantage, since a high Q-value can be obtained without limited by the relatively high internal losses of inductive elements (L).

The invention relates to a phase-to-phase spacing bar. The invention relates to a swinging prevention device, in particular to a spacing bar which is used for fixing a phase-to-phase conducting wire and preventing the swinging of the conducting wire on a high-voltage power transmission circuit. The phase-to-phase spacing bar mainly consists of a bar-shaped insulator, two wire clips, two groups of pre-twisted wires, two groups of bolt pins and two damping mats; and the bar-shaped insulator consists of a mandrel, two end connection armor clamps and a silicon rubber umbrella sleeve, the two end connection armor clamps are in a triangular cam shape and form the channel-type connection with the lower ends of the wire clips through the bolt pins, the two damping mats are arranged inside the channel-type structure on the lower end of each wire clip to be closely propped against the cam-shaped outer side of the connection armor clamp, the upper end of each wire clip is in a V-shaped ring-shaped structure, the upper part of a V-shaped ring is contacted with an installed conducting wire, one group of pre-twisted wire passes through the inside of the V-shaped ring, and two ends of the pre-twisted wire are respectively used for winding the installed conducting wire. Compared with the prior art, the phase-to-phase spacing bar has advantages of convenience in installation, constant grasping force, prevention of vibration and swinging of the conducting wire, no damage of the conducting wire, no maintenance and the like.

The invention discloses an ultrasonic oscillation and massage arm cover. An ultrasonic oscillation module is arranged in the inner layer of an arm cover body; the ultrasonic oscillation module is respectively connected with a switch, an electricity transmission device and a plug; the ultrasonic oscillation module is provided with an ultrasonic oscillation circuit, an electromagnetic oscillation module and a finger oscillation module; the finger oscillation module is provided with a fingerprint oscillator, so, as long as a power supply is plugged and the switch is opened, corresponding acupoint massage can be performed on arms and hands to achieve the health-care goal.

The invention discloses a test tube oscillator. A test tube placement box is fixedly connected between two vertical plates front and back via springs, is hollow and is provided with an upward opening; a test tube positioning plate is fixedly connected into the test tube placement box, a plurality of test tube through holes are formed in the test tube positioning plate, baffles which are correspondingly arranged on the left and right sides are respectively fixedly connected between two vertical plates on the left and right sides of the test tube placement box, a push groove is transversely formed in each baffle and is of a wave form, a push rod is movably inserted into the left and right push grooves, and the test tube placement box is erected on the push rod; support plates are fixedly connected to the lower part of the test tube placement box, support grooves are formed in the support plates along the length direction of the support plates, and the push rod passes through the support grooves; inner bearings are in transmission connection to the outside of the push rod in the support grooves; the two support plates are fixedly connected to the lower part of the test tube placement box, and the push rod passes through the left and right support grooves; a plurality of connected pits are formed in the lower sides of the push grooves in a downward sinking manner, balls are arranged in the pits in a rolling manner, and the push rod is in rolling contact with the balls.

The invention relates to a thermostatic oscillator which comprises an oscillator main body, a vibrator, an oscillating platform and a controller, wherein the vibrator is arranged in the oscillator main body; the oscillating platform is arranged at the upper part of the oscillator main body; the oscillating platform is connected together with the vibrator; the controller is arranged on the oscillator main body; and the vibrator is connected with the controller. The thermostatic oscillator has advantages that requirement of experiments for temperature can be well met by arranging a temperature heater, and the thermostatic oscillator has a remarkable oscillating effect and saves expenditure for a user.

The invention provides an oscillator capable of automatically controlling temperature and relates to the technical field of oscillation equipment. The oscillator comprises a machine box, a shaking table and a sealing cover, wherein a heating tube and a mist nozzle are arranged on the sealing cover; the inner wall of the machine box is fixedly connected with a temperature sensor and a humidity sensor; a transverse rod is arranged in the machine box; the middle position of the transverse rod is sleeved with a main sliding block with a vertical groove in the middle part; secondary sliding blocksidentical in number are arranged on two sides of the main sliding blocks and are sleeved with the transverse rod; the top end surfaces of the main sliding block and the secondary sliding blocks are fixedly connected with the lower end surface of the shaking table; the main sliding block is in sliding connection with a square block at one end of a rotating mechanism; the other end of the rotating mechanism is fixedly connected with a motor; a plurality of heat dissipation tubes are also arranged at the lower end of the machine box; a muffler is arranged in each heat dissipation tube. The oscillator has the beneficial effects of high safety and low production cost, and is capable of effectively reducing the noise generated by operation of the constant-temperature oscillator and adjusting theoperation temperature of the reactant in the shaking table.

A test tube oscillator, a test tube placement box is fixedly connected by springs between the front and rear vertical plates, the test tube placement box is hollow and has an upward opening, a test tube positioning plate is fixedly connected to the test tube positioning box, and a test tube positioning plate is set There are multiple test tube perforations; the two vertical plates on the left and right sides of the test tube storage box are respectively fixedly connected with left and right corresponding baffles, and each baffle is provided with horizontal push grooves, and the push grooves are wavy. A push rod is plugged in the left and right push grooves, and the test tube placement box is erected on the push rod. A support plate is fixedly connected to the bottom of the test tube placement box, and the support plate is provided with a support groove along its length direction, and the push rod passes through the support groove. The outer transmission of the push rod in the support groove is connected with an inner bearing. Two support plates are fixedly connected to the bottom of the test tube placement box, and the push rod passes through the left and right support grooves. The lower side wall of the push groove is recessed downwards and provided with a plurality of connected pits, balls are rollingly arranged in the pits, and the push rod is in rolling contact with the balls.

A surface acoustic wave element includes a piezoelectric substrate, an IDT composed of a pair of first and second comb-like electrodes, formed around a center of the piezoelectric substrate, and formed on a surface of the surface acoustic wave element, and a pair of first and second terminals electrically connected to the IDT, formed at central and peripheral areas of the piezoelectric substrate, respectively, in which a package is bonded with an adhesive to a surface of the surface acoustic wave element, opposite to the surface formed with the IDT.

The invention discloses a pneumatic oscillatory type cell culture system which comprises a constant temperature water bath box, wherein a culture bottle is arranged in the constant temperature water bath box and the culture bottle is internally provided with an air pump device. According to the invention, since the air pump device is arranged in the culture bottle, after the culture bottle is full filled with culture liquid containing experiment cells, the constant temperature water bath box can provide constant temperature water bath, the air pump device can pump air in the culture liquid, the pumped air naturally drives the culture liquid to turn over and oscillate, and because the oscillation is not forced oscillation caused by a mechanical stirring device, the cells can not be damaged. The pneumatic oscillatory type cell culture system has the advantages of simple and ingenious structure and good oscillation effect, can be widely applied to experiments of cell culture, fermentation, hybridization, biochemistry, enzyme and cell tissue and the like.

The invention discloses an automatic wire embedding machine for electric brushes. A fixing assembly is installed on a mounting plate, an adjusting assembly is arranged on the front and rear sides of the fixing assembly. The cable fixed-length cutting assembly is arranged on the left or right side, and a fixed welding manipulator for fixing the cable on the brush sheet is also arranged on the mounting plate. The brush embedding machine of the present invention has fast processing speed and high automation for brush embedding, and can greatly improve the efficiency of brush embedding. Yes, the applicability of embedding wires is greatly improved. In addition, the blanking of the brush piece blanking assembly of the present invention is accurate, and the vibration effect of the oscillation component is good, which can ensure the blanking of each brush piece in the installation sequence, and reduce the occurrence of empty space or Many problems, the present invention is simple in structure, easy to use, can well reduce labor intensity and manufacturing cost.

A traction type oscillator for inspection comprises a supporting plate, one side of the supporting plate is fixedly connected with a vertical plate, and the other side of the supporting plate is fixedly connected with a support, the inner side of the vertical plate is fixedly connected with a transversely-arranged tension spring, and the other end of the tension spring is fixedly connected with atest tube containing box, the test tube containing box is placed on the supporting plate in a left-right sliding mode, and the test tube containing box is hollow and provided with an upward opening, the test tube containing box is internally and fixedly connected with a shelf, a plurality of test tube penetrating holes are formed in the shelf in a row and in the transverse mode, and a supporting frame is fixedly connected to the outer side of the support, a rotating shaft is rotationally connected to the supporting frame in a rotating mode, and a rocker is in transmission connection with one end of the rotating shaft, and the other end of the rotating shaft is in transmission connection with a rotating disc, a rope pulling pin is rotationally connected on the rotating disc, the rope pulling pin is connected with a soft rope, the other end of the soft rope is fixedly connected with the test tube containing box, and the soft rope and the tension spring are respectively positioned on opposite sides of the test tube containing box; protruding strips are fixedly connected on the supporting plate, and the lower surface of the bottom wall of the test tube containing box is sunken upwardsto form an arc-shaped groove corresponding to the protruding strip.

The invention provides a table tool with a sounding function. The table tool comprises a table body, wherein a plane loudspeaker is arranged in the table body and is connected with an audio amplifying circuit; the audio amplifying circuit is connected with a power supply circuit; the plane loudspeaker comprises a driving ring which generates audio oscillation; the driving ring is arranged on the back surface of a table tool panel of the table body; the plane loudspeaker is the plane loudspeaker of NXT company; the table tool panel is a wooden panel with a good oscillating effect; the driving ring is stuck to the back surface of a table tool panel. Due to the fact that the table tool adopts the plane loudspeaker of England NXT company, the driving ring which can generate audio oscillation and the wooden table panel with the good oscillating effect are fully combined, the table tool panel oscillates and excites air, the table tool becomes a uniform sounding body and is good in sounding effect and outstanding in tone, and the whole structural design is ingenious, the table tool is very convenient to use, and the space of a table top is saved.

A lifting and swinging oscillator, the left and right brackets are fixedly connected with the front and rear corresponding beams, and the front and rear beams are connected with a plurality of non-circular turntables arranged side by side through the relative rotation of the rotating shaft, and the rotating shaft and the beam rotate relatively connection, the rotating shaft is fixedly connected with the turntable, and one end of the rotating shaft is connected with a rocker; the upper end of the beam is fixedly connected with a vertical spring, and the upper end of the spring is fixedly connected with a hollow test tube holding box with an upward opening. The box is erected on the turntable, and the test tube box is located between the left and right brackets. The test tube box is fixedly connected with a shelf, and a plurality of test tube perforations are arranged vertically and horizontally on the shelf. The turntable is one or more of ellipse, triangle or rectangle. The intersection point of the turntable and the rotating shaft deviates from the center of the turntable. A baffle is fixedly connected to the inner side of the support, and the test tube holding box is located in the area surrounded by the baffle. The baffle is triangular, rectangular or trapezoidal.

The invention relates to a hydraulic oscillator, in particular to a push rod type three-dimensional hydraulic oscillator. The push rod type three-dimensional hydraulic oscillator is composed of a shell, an upper joint, a lower joint, a one-way valve, a transmission part and an oscillating part. The upper joint is mounted at the end of one end of the shell in a threaded mode. The lower joint is mounted at the end of the other end of the shell in a threaded mode. The transmission part is arranged in the shell on one side of the upper joint. The one-way valve is mounted in the shell between the transmission part and the upper joint. The oscillating part is mounted in the shell between the transmission part and the lower joint through symmetrically arranged ball bearings, and is connected withthe transmission part. The push rod type three-dimensional hydraulic oscillator has the characteristics of good oscillation effect and high oscillation frequency, solves the problems of the simplex oscillation mode and low oscillation frequency of an existing oscillator, and meets requirements of petroleum drilling.

The invention relates to a piezoelectric ceramic atomizer plate which comprises a piezoelectric ceramic chip, wherein the upper portion of the piezoelectric ceramic chip is in a circular truncated cone shape, and the lower portion of the piezoelectric ceramic chip is cylindrical. A front round electrode is arranged on the bottom face of the piezoelectric ceramic chip, and a reverse round electrodeand a reverse electrode connecting wire are arranged on the top face of the piezoelectric ceramics chip. A reverse electrode welding area is connected with the reverse round electrode through the reverse electrode connecting wire to achieve conduction. A reverse welding area is connected with the front round electrode through a side face connecting wire to achieve conduction. The welding areas are arranged on circular truncated cone slopes of the piezoelectric ceramics chip, direct influence of the welding areas on electrode oscillation can be effectively avoided, the atomizing effect has noloss and is not affected, and meanwhile, soldering tin can be prevented from diffusing to the surface of the round electrode. In addition, due to the fact that the upper portion of the piezoelectric ceramic chip is in a circular truncated cone shape, and the lower portion of the piezoelectric ceramic chip is cylindrical, the effect gathering effect of products can be effectively motivated, and a good atomizing effect can be achieved.