39 results about "Electromagnetic diaphragm" patented technology

A diaphragm assist device includes a magnetic mat adapted for mounting inside a human body adjacent the diaphragm. The mat is made from a material responsive to application of an electromagnetic field so as to be movable into compressive relation with the diaphragm in response to application of the electromagnetic field thereto and movable out of the compressive relation to permit the diaphragm to relax when application of the electromagnetic field is discontinued. The device also includes an electromagnetic assembly adapted for surrounding the torso of the human body in functionally cooperative relation with respect to the mat, and for alternately generating and discontinuing the electromagnetic field so that the mat alternately moves into and out of the compressive relation with the diaphragm. The device also includes a controller constructed and arranged to control an intensity level of the electromagnetic field generated by the electromagnetic assembly.

The invention belongs to an electromagnetic diaphragm pump. The pump comprises electromagnets; an oscillator vibrating along with changes of the polarity of the electromagnets; diaphragms arranged at the end portion of the oscillator; diaphragm stands and diaphragm holding portions that can clamp and fix the periphery of each diaphragm; and an oscillator cover covering the oscillator. A pair of inner separation chambers closer to the inside than the diaphragms is formed by means of the diaphragm stands and the diaphragms, such that the oscillator cover separated from the diaphragm stands can be installed in a way that the pair of inner separation chambers is communicated.

The invention discloses a direct type backlight display module and display equipment. The module comprises a backlight module, a liquid crystal panel corresponding to the backlight module, and a master control electric circuit connected to the backlight module and the liquid crystal panel, wherein the backlight module is composed of a backboard, a luminous structure positioned on the backboard, a diffusion plate opposite to the luminous structure and an electromagnetic input module arranged between the luminous structure and the liquid crystal panel; the electromagnetic input module comprises an electromagnetic mebrane positioned between the luminous structure and the liquid crystal panel, an electromagnetic control circuit electrically connected to the electromagnetic mebrane; the light transmittance ratio of the electromagnetic mebrane is bigger than or equal to 50%, and the electromagnetic mebrane is connected to the master control electric circuit through the electromagnetic control circuit. According to the technical scheme, the input function based on electromagnetic touch control is integrated with the direct type backlight display module, so that a great display effect of the liquid crystal display is also ensured.

The invention belongs to a bionic robot and especially relates to a gear oscillating bar type pneumatic spider robot. A central shaft (25) is arranged in the middle of a lower base plate (14); a driving gear (15) is arranged on the central shaft (25); a first turning gear (11) and a second turning gear (29) are in symmetric engaging connection with the driving gear (15); a gear oscillating bar is in engaging connection with the driving gear (15); the first and second turning gear (11, 29) are arranged on first and second turning gear shafts (12, 27); the first and second turning gear shafts (12, 27) are arranged on the lower base plate (14); a shank cylinder (36) is hinged under each non-engaging end socket of the gear oscillating bar through a shank shaft (32); an electromagnetic diaphragm aerating pump (18) is arranged on an upper base plate (17); and the electromagnetic diaphragm aerating pump (18) is connected with a plurality of exhaust speed adjusting valves (19), a two-position two-way solenoid valve (23) and a three-position five-way solenoid valve (20). The gear oscillating bar type pneumatic spider robot can quickly walk, can horizontally and vertically cross obstacles, can quickly respond and can flexibly act.

The invention discloses an electromagnetic diaphragm metering pump which comprises an electromagnetic pump body and a diaphragm pump head. The electromagnetic pump body comprises a winding frame, a coil winding and an iron core, the diaphragm pump head comprises a diaphragm pump cover, a middle mounting plate, a diaphragm pump base diaphragm and a soft plastic film, the diaphragm pump cover is provided with a liquid incoming joint and a liquid outgoing joint, the middle mounting plate is provided with a first through hole and a second through hole, the soft plastic film is provided with a first movable valve piece and a second movable valve piece, the middle mounting plate is provided with a first avoiding cavity at a liquid inlet of the first through hole, and the diaphragm pump cover is provided with a second avoiding cavity at a liquid inlet of a liquid outgoing hole. During liquid incoming, the iron core drives a diaphragm to move downwards, liquid enters a hydraulic cavity through a liquid incoming hole and the first through hole, and electrification time of the coil winding can guarantee the liquid with consistency of 10000mpa.s to be filled in a hydraulic chamber; during liquid outgoing, the liquid is discharged through the second through hole and the liquid outgoing hole. Consequently, the electromagnetic diaphragm metering pump can generate identical flow aiming at the liquid different in consistency.

The invention discloses a bidirectional electromagnetic diaphragm pump which relates to the technical field of electromagnetic diaphragm pump manufacturing; a diaphragm A and a diaphragm B are connected on both ends of a pump shaft; an armature A and an armature B are symmetrically fixed on the pump shaft; a coil A and a coil B are respectively sleeved outside the armature A and the armature B; a spring A and a spring B are respectively connected on a pump shell and the armatures A and B; a Hall sensor A and a Hall sensor B are symmetrically fixed on the pump shell and are towards the pump shaft; an annular permanent magnet A and an annular permanent magnet B are symmetrically fixed at the middle part of the pump shaft, and between the axial positions of the Hall sensor A and the Hall sensor B; the coil A and the coil B are electrified and produce magnetic force; when the Hall sensors A and B respectively sense with the annular permanent magnets A and B, the electrification directions of the coils are reverse, and the pump shaft is driven to suction and drain liquid back and forth and left and right. According to the bidirectional electromagnetic diaphragm pump, the flow of the pump can be increased by suctioning and draining liquid with double pump heads in sequence, the double pump heads suction and drain liquid alternatively and the flow pulsation can be reduced, and the efficiency of the pump can be improved by driving with the bidirectional electromagnet instead of a motor.

The invention relates to a method of running a diaphragm pump, a diaphragm pump and the use of the diaphragm pump. The method of running the electromagnetic diaphragm pump (10) in pipeline systems (51,52,53) comprises a step of exciting the diaphragm pump (10) with a frequency corresponding to an inherent frequency. The method is characterized in that a stored liquid mass (40) is supplemented by the mass of the diaphragm pump (10) running on the downstream. The stored liquid mass can be separated from another pipeline system (53) through a lock (41) on the downstream of the stored liquid mass (40).

The invention belongs to the technical field of metering pumps and particularly relates to an electromagnetic diaphragm metering pump. The pump comprises a pump body, a diaphragm, a pump cavity, a metal filter net, a discharging pump head, a first ball, a feeding pump head, a second ball, a threaded column, a worm wheel, a screw barrel, a worm, a mounting plate, barrels, column bodies, a bottom plate, a base, a piston, a piston cavity, an electromagnetic push rod, a piston column and worm mounting plates. The electromagnetic diaphragm metering pump is simple in structure and convenient to maintain and use, the metal filter net is mounted on the pump, particles in liquid materials can be effectively prevented from making contact with the diaphragm, the probability of damage of the diaphragmis greatly reduced, and the service life of the pump can be guaranteed easily; and a height adjusting mechanism is contained in the pump, when the pump is mounted and used, the height of the pump canbe adjusted through the height adjusting mechanism, no gasket is needed, accordingly, the feeding pump head of the pump can be connected with an output end of an external storage device conveniently,and using of the pump is greatly facilitated.

The invention discloses an electromagnetic diaphragm type on-demand microdroplet preparation apparatus and relates to a microdroplet jetting apparatus. A cavity above a diaphragm is filled with liquid metal solution (with melting point being -19 DEGC), and under actions of a constant magnetic field and periodically changing current, periodically the changing electromagnetic force generated above the diaphragm drives a fluid, namely the liquid metal in the cavity to break into microdroplets at a nozzle periodically. The microdroplet jetting apparatus is characterized in that a diaphragm driving unit and a jetting cavity containing solution to be driven are adjacently arranged in the main cavity, and the diaphragm is driven to move by the electromagnetic force applied to the liquid metal, and the apparatus is provided with permanent magnets, the driving unit, the diaphragm, a storage cavity, a signal source, a power amplifier, an upper cover plate connected with a guide pipe and a lower cover plate with the nozzle. A driving cavity is fixed between the permanent magnets, electrodes are arranged inside the driving cavity to guarantee uniform distribution of current, and the signal source and a power amplifier generate various variable driving electric signals.

The invention relates to an adjustable two-way acting electromagnetic diaphragm pump. The adjustable two-way acting electromagnetic diaphragm pump comprises a valve body, wherein a hollow inner cavity is formed in the valve body; a diaphragm, wherein the diaphragm is arranged in the inner cavity of the valve body and divides the inner cavity into a first air chamber and a second air chamber; and an electromagnetic driving assembly, wherein the electromagnetic driving assembly is used for driving the diaphragm to move in the inner cavity to extrude the space of the first air chamber or the second air chamber, a first air inlet and a first air outlet which can be opened and closed are formed in the portion, located in the first air chamber, of the valve body, and a second air inlet and a second air outlet are formed in the portion, located in the second air chamber, of the valve body. The adjustable two-way acting electromagnetic diaphragm pump is small in size and convenient to carry; by utilizing the characteristic of magnetic air conduction, mechanical contact friction can be effectively reduced, abrasion is relieved, and maintenance cost is reduced; and when the electromagnetic driving assembly drives the diaphragm to extrude and expand in the space on one side, the closed working space on the other side is in an opposite state, and the operation is cycled, so that the working efficiency is doubled in the same operation period, the working efficiency of the diaphragm pump in unit time is effectively improved, and the service life of the diaphragm is effectively prolonged.

In order to improve the product quality of cast-in-situ foam concrete, the novel cement foaming machine is designed. According to the novel cement foaming machine, a metering system is added between loading and blending, the metering system is simple in structure and convenient to operate, the metering accuracy can reach 0.01%m and the metering requirement for foam concrete production can be completely met; an electromagnetic diaphragm metering pump or a metering diaphragm pump is adopted at the foaming part and is corrosion-resistant, relatively accurate in metering, easy to adjust, simple instructure and convenient to maintain; blenders adopt horizontal shaft type blenders to prevent the condition that slurry which is not uniformly stirred contains a large quantity of cement blocks, thequality of foam concrete is affected and pipe blocking is caused after the cement blocks are sucked into the system and construction fault is caused, the slurry leaking problem is solved with an adjustable composite conical rubber seal ring structure, and the composite conical rubber seal ring structure is convenient to maintain.

The invention provides an electromagnetic diaphragm earphone comprising a magnet array, a diaphragm and a conductive link which is adhered on the diaphragm. The shape of the magnet array is a magnet matrix. The diaphragm faces the magnet array. The magnetic pole, which faces the diaphragm, of each magnet is opposite to the magnetic pole, which faces the diaphragm, of four magnets directly adjacent to the magnet in polarity. The conductive link comprises multiple broken wire segments which are formed by one straight wire through bending and connected in an end-to-end way. Observing from the diaphragm to the array, the conductive link firstly extends along the first partial diagonal of the matrix and extends to the edge of the matrix and then reversely turns back to extend along the next partial diagonal so that the conductive link extends until it extends to leave the matrix from the last partial diagonal. In the extension path of the link, a bending part composed of two broken wire segments is formed for the magnet when the conductive link passes one magnet, and the magnet is half-surrounded by the bending part so that thrust/suction obtained through induction of a magnetic field is ensured to be uniformly distributed on the overall surface of the diaphragm to the largest extent, and high fidelity of the sound effect of the earphone can be ensured.

The invention relates to a monitoring system for continuous on-line observation of trace gas mercury and a monitoring method. The system comprises two electromagnetic diaphragm pumps, two circulatingdiaphragm gas pumps, a mercury collecting trap, a nanocomposite particle film sensor and a main control circuit, wherein a system gas inlet, the first electromagnetic diaphragm pump, the mercury collecting trap, the first circulating diaphragm gas pump, the second circulating diaphragm gas pump and a system gas outlet are connected in sequence; the first electromagnetic diaphragm pump is connectedwith the gas inlet of the nanocomposite particle film sensor through a pipeline; the gas outlet of the nanocomposite particle film sensor is connected with the second circulating diaphragm gas pump through a pipeline; the second circulating diaphragm gas pump is connected with the second electromagnetic diaphragm pump through a pipeline; the sensing signal output terminal of the nanocomposite particle film sensor is connected with the main control circuit. The system adopts a gas circulation method, detects mercurial vapor released by the mercury collecting trap through the nanocomposite particle film sensor, is high in response signals and response speed, and can perform on-line continuous observation on the concentration change of the trace gas mercury.

The invention relates to a multifunctional trace-element spraying unit which comprises a water heater. The water heater is connected with a water outlet pipe through a group of hot water pipeline pumps, the water outlet pipe is connected with a trace-element burdening tank I and a trace-element burdening tank II respectively, the trace-element burdening tank I is connected with an electromagnetic diaphragm pump I through a discharging pipeline, and the electromagnetic diaphragm pump I is connected with a trace-element spray head I through a spraying pipeline I. The trace-element burdening tank II is connected with an electromagnetic diaphragm pump II through a discharging pipeline II, the electromagnetic diaphragm pump II is connected with the trace-element spray head II through a spraying pipeline II, and the trace-element spray head I and the trace-element spray head II are also respectively connected with an air heater. The multifunctional trace-element spraying unit performs heating through the water heater and burdening in two groups or multiple groups of trace-element burdening tanks, multiple groups of trace-element burdening tanks can work in a simultaneous, independent or one-group mode, other parts assist preheating, the spraying work is automatic and is also divided in a stepped mode, and the spraying efficiency is greatly improved.

The invention discloses a time-pressure method accurate filling system applied to a blowing, filling and sealing all-in-one machine, which is characterized by comprising a constant-pressure system and a filling head, which are connected via a distribution pipe, wherein the constant-pressure system comprises a tank body with a tank cover, and the top of the tank cover is communicated with an air inlet pipeline via a pressure reducing valve; the filling head comprises a top filling lifting plate and a bottom filling hanging plate, and two sides of the top filling lifting plate are connected with two sides of the bottom filling hanging plate via a filling sliding plate I and a filling sliding plate II; a filling distribution plate is arranged at the bottom of the filling hanging plate; a filling valve is arranged on the upper side of the filling distribution plate, a filling valve plate is arranged on the lower side of the filling distribution plate, filling needles connected with the filling valve are fixed in the filling valve plate, and the end parts of the filling needles are exposed out of the bottom of the filling head; and the constant-pressure system is connected with the filling head via the distribution pipe. According to the time-pressure method accurate filling system, a constant filling pressure is realized through a quick accurate air supplementing system and an accurate liquid supplementing system, and accurate filling is realized in combination with high-precision and high-response sanitary electromagnetic diaphragm valves.

The invention provides an electromagnetic diaphragm pump, and relates to the technical field of diaphragm pumps, and the electromagnetic diaphragm pump is characterized in that micro cylinders are mounted at the corresponding ends of pump cavities, long magnets are fixedly arranged at the front ends of the micro cylinders, connecting springs are fixedly arranged at the upper and lower ends of the front sides of the long magnets, and short magnets are fixedly arranged at the other ends of the connecting springs; short magnets are fixedly arranged on the front sides of the short magnets, abutting rods are fixedly arranged on the front sides of the short magnets, abutting balls are fixedly arranged at the front ends of the abutting rods, and diaphragms are fixedly arranged on the positions, corresponding to the front ends of the abutting balls, of the pump cavity. And meanwhile, under the action of the piston rod, the diaphragm is pushed, so that the diaphragm is easily damaged, and the single pump body is arranged, so that water cannot be shunted from a source, and water flow is buffered.