287 results about "Ion wind" patented technology

An ion wind heat dissipating device includes a metal body electrically connected with a voltage source and provided with a plurality of sharp structures as well as a metal grounding body arranged at corresponding positions sharp structures of the metal body at a preset distance and grounded. The metal body is a sheet-shaped body, and the sharp structures are in saw-teeth shape and formed on the same side of the sheet-shaped body. By applying voltage on the sharp structures of the metal body, corona phenomenon is generated between the sharp structures and the grounded metal grounding body to perform ionization on air close to the sharp structures, and the ionized air generates incompatibility with the same charges on the sharp structures and then emits ions to the metal grounding body to convert the metal grounding body into an ion receiver and further to form electric wind or balled ion wind which drives air flow to flow from the metal body to the metal grounding body, thereby generating hat dissipating effect.

An ion wind generator is provided behind a light source. The ion wind generator 20 negatively-ionizes air by corona discharges using needle-shaped electrodes on the negative side, and draws the negatively-ionized air by a mesh electrode on the ground side to generate an air current. An exhaust port is provided with an ozone decomposition catalyst filter. A path axis for vent holes in the ozone decomposition catalyst filter is inclined to the direction of advancement (a direction toward the exhaust port) of unnecessary light from a lamp from the light source, and the unnecessary light from a lamp is shaded by the ozone decomposition catalyst filter.

An ionic wind generator is composed of the electrically insulative casing, high-voltage DC power supply, high-voltage negative electrode made of carbon fibres, and accelerating grids. Said ionic wind is generated between said high-voltage negative electrode and the accelerating grids connected to ground of power supply. Its advantages are high concentration of negative ions, less electric consumption and small size. It can be directly used as negative ion generator.

The invention discloses a FAIMS based on ion wind pumps, which comprises an electrical system and an ion mobility tube, wherein the ion mobility tube comprises an ion source, a separation detection system and an ion wind pumping system; a tube body of the ion mobility tube is composed of two substrates which are plated with electrodes and connected tightly with supporting beams to form air flow channels, and the electrodes comprise separation electrodes, detection electrodes, discharge electrodes and traction electrodes; wherein the separation electrodes, the detection electrodes and airflow channels among the separation electrodes and the detection electrodes form the separation detection system, the discharge electrodes, and the traction electrodes and airflow channels among the discharge electrodes and the traction electrodes form the ion wind pumping system; and the ion source is arranged on the inner side of an air inlet end of the substrate. A gaseous sample enters the ion mobility tube under the drive of the ion wind and is separated and detected by the separation detection system after being ionized by the ion source. According to the FAIMS based on ion wind pumping systems, monolithic integration can be achieved, the FAIMS based on ion wind pumping systems has the advantages of being high in integration, having no movable parts, and being simple in structure and easy to control, and highly integrated and stable FAIMS detections can be achieved.

The invention relates to the technical field of the refrigeration equipment, in particular to a negative ion device, a negative ion wind device and a refrigerator deodorization device. The negative ion device comprises an emitting electrode, a collector electrode and a high-voltage power supply capable of generating power for the negative ion device, wherein the emitting electrode is a needle-shaped emitting electrode; the emitting electrode is connected with the cathode terminal of the high-voltage power supply; the needle-shaped tip of the emitting electrode points to the collector electrode; the collector electrode is connected with the anode terminal of the high-voltage power supply; the collector electrode is a Watanabe hole type collector electrode and is punched by a current-conducting plate; and the outer edge of the hole is coated with a flat insulating layer. According to the ion wind device and the refrigerator deodorization device disclosed by the invention, big-wind-volume negative ion wind can be generated to more quickly and effectively remove peculiar smell, virus and various bacteria in the refrigerator, air can be kept fresh, and food is more fresh and healthy.

The invention belongs to the technical field of static prevention, and particularly relates to an ion fan. In the technical scheme, the ion fan without a mechanical device comprises a high-voltage power supply, a corona discharge electrode, a dielectric plate, a wind collection nozzle, a shielding layer and a control system, wherein the high-voltage power supply is used for providing a voltage required by discharge, the corona discharge electrode is used for ionizing air to generate corona ion wind, the dielectric plate is used for separating a positive electrode from a negative electrode, the wind collection nozzle is used for guiding the corona ion wind and enabling the corona ion wind to form acceleration, the shielding layer is used for separating electromagnetic fields of the electrodes, and the control system is used for detecting an ionic balance potential and adjusting the voltage provided by the high-voltage power supply. When high-voltage corona discharge is generated by the corona discharge electrode, ions in considerable quantity can be provided, and stable corona wind is also formed; and the corona wind is used as a wind source of the ion fan, and the ion fan has the advantages of simple structure, high air flow continuity, large ion density and almost no noise.

The invention provides an ionic wind radiating device, which is characterized by comprising a power supply and a radiating net formed by mutually intersecting a first group of conductive wires comprising two or more than two conductive wires and a second group of conductive wires comprising two or more than two conductive wires, wherein the first group of conductive wires are electrically connected to one output end of the power supply; the second group of conductive wires are electrically connected to another output end of the power supply; in addition, at the position of each intersection, the first group of conductive wires have bumps which face the same direction and are vertical to the plane of the radiating net so as to stride over the corresponding second group of conductive wires which are intersected with the first group of conductive wires, and the first and the second groups of conductive wires are mutually insulated.

Provided is an ion wind generation device which is capable of providing a wide range of ion delivery and providing ion wind having a reduced ozone concentration near a nozzle without use of a filter or the like.

The ion wind generation device includes an electrode pair including a discharge electrode body having a discharge portion and a counter electrode body having a plurality of end portions, and generates ion wind by corona discharge that occurs due to a potential difference generated between the discharge portion and the end portions. The end portions are located spaced apart from one another in a single plane and disposed around an axis of the discharge electrode body in the single plane or disposed along a line in the single plane.

The invention discloses a demisting and water collecting device and method based on coupling of ionic wind and a vibrating wire grid, belongs to the field of environmental protection, and particularlycomprises a high-voltage electrode, a ground electrode, a vibrating wire grid, a negative direct-current high-voltage power supply, an airflow channel, an insulating strut and a water collecting tank. The insulating support column is used for hanging a high-voltage electrode, and the vibrating wire grid vibrates under the driving of airflow carrying fog drops, so that part of fog drops collide and flow out along the vibrating wire grid; an electric field area is formed between the ground electrode and the high-voltage electrode to generate ionic wind opposite to the airflow direction, so thatan intersection surface is formed between the airflow and the ionic wind; the negative direct-current high-voltage power supply is used for providing adjustable voltage for the high-voltage electrode, so that the intersection surface is positioned at the ground electrode, and residual fog drops flow out along the intersection surface; and the water collecting tank is used for collecting fog dropsflowing out of the vibrating wire grid and the ground electrode. Through two times of fog drop collection, compared with a traditional water collection mode, the demisting and water collection efficiency of the invention is higher.

The invention relates to a device capable of eliminating electrostatic influence and used for electro-spinning direct writing and belongs to the field of electrospinning. The device mainly comprises amain channel, a three-dimensional motion platform, a dispensing nozzle, an ion wind nozzle, a plastic hose, an ionizer, a heater, and a controller. A customized gear plate is supported by the upper end of the outer wall of the main channel through a bearing and a spring buckle. The customized gear plate is rotated by a synchronous motor and a synchronous belt. An ionized wind is sprayed towards the front of the spinning path by the ion wind nozzle, under the control of a rotary key, a connector, a rack, the customized gear plate, the synchronous belt, and the synchronous motor. The device capable of eliminating electrostatic influence and used for electro-spinning direct writing neutralizes the charge on a fiber with the ionic wind so as to reduce or eliminate the influence of electrostatic repulsion; the ion wind is sprayed obliquely forward relative to the nozzle through a nozzle structure and the controller without affecting the electrospinning process. Thus, by using this device,the static repulsion can be reduced without increasing the variable to achieve precise positioning.

The invention relates to an ion wind solid state aircraft and a control method thereof. The aircraft includes a fuselage and a first force generator, a second force generator, a third force generatorand a fourth force generator that are sequentially arranged along the outer circumference of the fuselage and both are inclined toward the fuselage. The first force generator, the second force generator, the third force generator and the fourth force generator have the same structure, and each includes a small electrode, a large electrode and columns. The small electrode is connected to a positiveelectrode of a high voltage power supply, and the large electrode is connected to a grounding electrode of the high voltage power supply. The ion wind solid state aircraft of the invention is based on the Bifeld-Brown effect, and through the four inclined force generations, a single Bifeld-Brown effect force generator can generate a two-dimensional effect, namely: the propulsive force that causesthe body to rise upwards and the yaw moment that causes the body to spin, thereby achieving a controlled flight of full-degree of freedom of pitch, roll and yaw.

An ion wind air purifier comprises a machine case; an ion wind channel is arranged in the machine case in the front and back direction; the front end of the machine case is provided with an ion wind channel inlet; the rear end of the machine case is provided with an ion wind channel outlet; an emitting electrode is arranged in the front of the ion wind channel and is in the shape of a net or a fence allowing ion wind to pass through; the emitting electrode is arranged in the left and right direction; a lens plate is arranged behind the emitting electrode in the left and right direction and is provided with a plurality of rows of round through holes; a dust collecting electrode is arranged behind the lens plate and is in the shape of a net or a fence allowing the ion wind to pass through; and the dust collecting electrode is arranged in the left and right direction. The ion wind air purifier is mainly used indoors and can also be applied to outdoor squares, streets and other open space systems, the ion wind air purifier is simple in structure, convenient to manufacture, install and apply and popularize on a large scale, the concentration of particulate matter of the indoor space where the ion wind air purifier is located or the concentration of particulate matter around an area where the ion wind air purifier is located can be reduced in a short period of time, not any noise is generated in the dust removing process, and the ion wind air purifier quite saves energy.

The invention provides a novel fan using an electric field power and capable of being applied to various indoor and outdoor occasions. The novel fan comprises a negative-ion generator array layer frame, a negative-ion generator, a shell, a screen grid, a neutralization layer, an accelerating grid and an insulation fixing bolt. According to the novel fan provided by the invention, air is ionized by the negative-ion generator through an alternating current, so as to generate lots of dense negative ions, the negative ions can be immediately captured by oxygen molecules, nitrogen molecules, carbon dioxide molecules and the like in air, thus forming weak negative air ion wind; lots of negative air ion wind flows to the screen grid under the constraint of the shell; a negative high voltage and a positive high voltage are applied on the screen grid and the accelerating grid respectively, thus forming a stable high-intensity electric field between the screen grid and the accelerating grid; the negative ion wind accelerates under the action of the electric field force while passing through the screen grid; the negative ion wind accelerated by the accelerating grid is provided with a certain wind speed. In this way, the novel fan can achieve the functions of blowing air and generating negative ions, and has the advantages of being capable of cooling and cleaning air, noiseless, small in size, wide in application occasions, convenient to install, and the like.

The invention provides a method for manufacturing a polytetrafluoroethylene superfine fiber and an electrostatic spinning device thereof. The method comprises the steps of dissolving polytetrafluoroethylene in N-methyl pyrrolidone, adding graphene, performing ultrasonic dispersion evenly, and obtaining spinning solution; after the spinning solution is defoamed, performing electrostatic spinning at a spinning speed of 3.0-5.0 ml/h and a spinning voltage of 20-25 kV in the presence of ionic wind, and obtaining the polytetrafluoroethylene superfine fiber. The method has the advantages that ions are generated around the position of a pinhole of a needle through the weak ionic wind, the ions neutralize part of electric charges on the jet flow surface, so that the jet flow stability and whipping controllability are enhanced, and not only can instable whipping of jet flow be avoided, but also over-distance orderly output of cellosilk can be performed.

The invention discloses a spraying dust-falling structure for a mobile dust remover. The spraying dust-falling structure comprises a box body, an access door, a ventilation window, a treatment mechanism, a mounting seat, an air inlet cylinder, a water filtering mechanism, a first filter screen, a second filter screen, an air outlet cylinder, a fan, a dustproof sheet, a control switch and a power line. According to the invetion, by optimally arranging a treatment mechanism, when a driving motor rotates, fan blades are driven to rotate through a transmission belt while a rotating disc drives a special-shaped gear to rotate through the transmission belt, and a water collecting pipe reciprocates on a sliding rail under the cooperation of the special-shaped gear and a half gear, so that the fanblades rotate to drive an ion wind bar to generate ions to be blown into the box body, and under the reciprocating motion of water mist sprayed from the bottom of a water collecting pipe, the dust falling efficiency is improved; and by optimally arranging a water filtering mechanism, dust particles are filtered by obliquely-arranged filter screen sheets, and the filtered water is sucked by a water pump to be reused, so that the water is recycled, and the problem of water resource waste is avoided.

The invention discloses an ion wind flow accelerator which comprises an electrode consisting of a corona electrode and a collector, wherein the corona electrode is a needle tip discharge type corona electrode. Visibly, according to the ion wind flow accelerator provided by the embodiment of the invention, the electrode structure adopts the needle tip discharge mode, so that the discharging capability has unparalleled superiority relative to a conventional discharge mode. In addition, the invention also discloses a current density testing device of the ion wind flow accelerator. With the adoption of the current density testing device, in the testing process, an electric field in the electrode structure is not turbulented, electromagnetic interference is small, and the stability of the electric field in the electrode structure and the ion wind speed can be kept, so that the current density of the ion wind flow accelerator can be more accurately measured.

The invention discloses a cleaning device applied to production of chip wafers comprises a device body, wherein an air pump is arranged on the outer surface of the side end of the device body, a waterpump is arranged at the side end of the air pump, a cleaning liquid tank is arranged on the outer surface of the side end of the water pump, a cover plate is arranged on the outer surface of the upper end of the device body, a hinge is arranged at the joint of the device body and the cover plate, and a handle is arranged on the outer surface of the front end of the cover plate. According to the cleaning device applied to production of the chip wafers, through cooperation of a fixing rod, telescopic rods and clamps, the upper ends of the telescopic rods can be adjusted according to the size ofa chip, the chip can be stably fixed to a metal screen plate through cooperation of the crossed fixing rod and the clamps, and the limitation of the device body is reduced; and through cooperation ofa sealing plate, a second groove and an ionic wind bar, static electricity in the device body can be removed before the device body operates, and the chip is prevented from being damaged by the static electricity.

The invention discloses a novel coupling cooling device based on ionic wind, a cooling method and application thereof. The bottom of a shell is provided with a uniform temperature plate substrate in contact with a heat source, the uniform temperature plate substrate is vertically provided with a plurality of metal radiating fins at intervals, and a flow channel is formed between every two adjacent metal radiating fins; the bottom side of the interior of the shell is filled with cooling liquid, and the cooling liquid is evenly distributed in the flow channel; an ionic wind generator is arranged at the front part of the shell and comprises a high-voltage power supply, a plurality of electrodes and an electrode support; the plurality of electrodes are fixed on the electrode support at equal intervals, and the plurality of electrodes are electrically connected to the high-voltage power supply; and a receiving electrode made of a stainless steel wire mesh material is arranged at the rear part of the shell and is attached to the side wall of the rear part of the shell. The invention creatively provides a novel heat exchanger combining electrohydrodynamics and phase-change heat exchange, and organic coupling of two heat exchange modes of increasing convective heat exchange in the metal radiating fins and phase-change heat exchange at the roots of the metal radiating fins 3 is realized.