41results about How to "Strong dustproof ability" patented technology

The invention relates to the radio-positioning technical field, particularly a millimeter-wave time-division passive frequency modulation multi-channel automotive anti-collision radar, which is realized through the following steps: adopting the full-phase parameters to receive/transmit reference signals; asynchronously controlling the time division and the time sequence; watching the targets which are prone to collision on the w surface in an omni-directional manner through DSP cyclic scanning wave beams by a quasi-optical dielectric lens antenna circular array; controlling the time division SAW multi-channel passive frequency modulation through road condition cameras, an own vehicle speed, a GPS signal MCU; sending to antenna array to transmit through an up-converter, an amplitude limiter, T/R3, a frequency multiplier and a power amplifier, T/R2, an isolator and a wave beam switch; filtering the returning wave in a conjugating and matching manner with the transmitting SAW through the antenna array, the wave beam switch, the isolator, R/T1, the low-noise high amplifier, a down-converter, a medium amplifier, the time-division circuit and the SAW multi-channel signals; processing and controlling DSP and MCU; controlling the false-alarm when encountering a plurality of road barrier targets DSP and confirming the position, the distance and the relative speed; displaying the three-dimensional image on a CRT, wherein the closer the vehicle gets to the target, the higher the resolution power is; identifying the nearest distance to the vehicle; giving an alarm when the distance is smaller than the safety distance; and intelligently avoiding the barriers or reducing or braking if the distance is close to a risk distance, wherein the control is determined based on the actual condition of the road surface environment combined with the own vehicle speed and the GPS data, thereby improving the travelling safety.

The invention discloses a full-automatic greasing and capping machine, relating to a device for adding grease and a dust cap to a bearing. A workbench is fixed on a machine frame; a mounting base is fixed on the workbench; the front part of the mounting base is provided with a material support plate; the upper part of the mounting base is provided with a control device; the left side of the workbench is provided with a material conveyor, and the right side of the workbench is provided with an unacceptable product removing device; according to the processing sequence, two greasing devices, a grease quantity detection device, two capping devices, a dust cap height detection device and a grease equalizer are sequentially arranged on the mounting base from left to right; turning devices are respectively arranged between the two greasing devices and between the two capping devices; and a front reciprocating device and a rear reciprocating device are respectively arranged below the workbench. The full-automatic greasing and capping machine disclosed by the invention integrates the stations and the mounting base into a whole, is high in positioning accuracy and facilitates debugging and installation of a fixture mold; and the total seal shell is convenient for cleaning and maintenance, thus, the invention has the advantages of strong dustproof capacity, low danger coefficient, low failure rate and high product qualification rate.

The invention discloses a portable air-water-based lossless sand-blasting environmentally-friendly cleaning machine. The portable air water lossless sand-blasting environmentally-friendly cleaning machine comprises a gasoline engine, a belt, an air compressor, a high-pressure tube, a minimum pressure valve, an oil-gas separator, a pressure regulator, a water separator, an atomization spray gun, a sand-blasting tank, a product water control valve, a plunger water-pump and a water tank. The portable air-water-based lossless sand-blasting environmentally-friendly cleaning machine utilizes the gasoline engine as a main power supply to drive the air compressor to produce compressed air, and to drive the plunger water-pump to produce a mixture of low-pressure water and compressed air as a sand-blasting power source simultaneously. The portable air-water-based lossless sand-blasting environmentally-friendly cleaning machine can be used simply, has high system safety, low operator technical level requirements, low operator protection requirements and low power consumption, realizes lossless cleaning of the cleaned surface, and is suitable for a plurality of cleaning occasions.

The invention discloses a special liquid cleaning brightener for glass. The liquid cleaning brightener is prepared from the following raw materials in parts by weight: 10 to 15 parts of lauryl sodium sulfate, 20 to 30 parts of triethanolamine, 5 to 10 parts of citric acid, 10 to 30 parts of emulgator, 5 to 15 parts of fatty alcohol-polyoxyethylene ether, 20 to 50 parts of dimethyl silicone polymer, 50 to 100 parts of polycarbamate, 50 to 80 parts of white carbon black, 30 to 80 parts of isobutanol, 5 to 30 parts of ethyl acetate, 10 to 30 parts of normal propyl alcohol, 20 to 35 parts of sodium benzoate and 200 to 300 parts of deionized water. The special liquid cleaning brightener for glass has excellent usability for a smooth and hard surface and integrates functions of removing dirt, enhancing brightness, preventing dust and mist and performing protection, and is very convenient to use without being flushed with water. The glass surface only needs to be scrubbed simply and can keep clean for a long time after the liquid cleaning brightener is sprayed. The liquid cleaning brightener is not harmful to a human body and an environment when used.

The invention provides a hollow server case structure of a computer. The hollow computer server case structure with a pulling function comprises a suction fan, a wire harness clamping plate, telescopic rods, hollow protective plates, a glass cover and a supply fan; a base is ring-shaped; the ring-shaped suction fan is mounted on the ring-shaped inner side of the base; the arc-shaped hollow protective plates are mounted between two adjacent stand columns on the front side and between two adjacent stand columns on the back side; cellular cooling holes are densely distributed in the upper parts of the hollow protective plates; and the four telescopic rods in a rectangular array are mounted on the round edge of the base. By improving the hollow server case structure of the computer, the hollowserver case structure of the computer has the advantages that the structure is reasonable and compact; hollow glass matches with transparent glass, so that fashion and beauty are achieved and impression is strong; the cooling performance and the dustproof performance are good; and the pulling function is realized, so that the problems and deficiencies raised in a background technology are effectively solved and overcome.

The invention discloses a substation switch cabinet with good dust-proof effect, including a cabinet body and a cabinet door, A first spring hinge is fixedly welded on the side of the cabinet body andthe cabinet door, the cabinet body and the cabinet door are rotatably connected through a first spring hinge, A left plate of that cabinet body is provided with a first rectangular groove, A second spring hinge is fixedly welded to the left side of the left panel of the cabinet body, A swivel plate is fixedly weld on that other side of the second spring hinge, An upper end and a low end of that rotating plate are arcuately arranged, An arc-shaped groove is arranged in the left side of the rotating plate, a rubber plate is bonded between the rotating plate and the upper wall of the first rectangular groove through adhesive, a fixing plate is fixedly welded on the right side of the left plate of the cabinet, the first rectangular groove is arranged between the two fixing plates, and a leftfixing frame and a right fixing frame are fixedly welded between the two fixing plates. The substation switch cabinet with good dust prevention effect not only has good dust prevention effect, but also has extremely strong heat dissipation effect.

The invention relates to a dustproof composite non-woven fabric and a preparation method thereof, which belong to the technical fields of non-a woven fabric and its preparation thereof. The dustproofcomposite non-woven fabric comprises a non-woven composite layer and a nano-coat layer uniformly sprayed on the surface of the non-woven composite layer, the non-woven composite layer is obtained by sequentially compositing a first non-woven layer, a second non-woven fabric and a third non-woven fabric. The dustproof composite non-woven fabric is subjected to hot-melting spinning to obtain different non-woven fabrics, then hot-rolling and laminating can be carried out, and then vacuum-spraying is carried out on the non-woven composite layer to obtain the nano coating which is a finished product. The composite non-woven fabric has the advantages of good dustproof effect, high strength and simple preparation process.

The invention provides a dustproof sound-transmitting film composite part and a preparation method thereof, wherein the composite part comprises a dustproof sound-transmitting film assembly, a first release film and a second release film, and only one side of the dustproof sound-transmitting film assembly is sticky; the sticky side of the dustproof sound transmission film is bonded with the secondrelease film, and the other side of the dustproof sound transmission film is bonded with the first release film; the bonding strength between the dustproof sound-transmitting film assembly and the first release film is greater than that between the dustproof sound-transmitting film assembly and the second release film, so that the first release film cannot be separated from the dustproof sound-transmitting film assembly in the process of tearing off the second release film; when the second release film is torn off, one side of the dustproof sound-transmitting film assembly has viscosity, so that the dustproof sound-transmitting film assembly can be directly adhered to the MEMS and a traditional dispensing process is not needed; the acoustic performance of acoustic components such as a microphone can be guaranteed, a one-step dispensing process is omitted, and the operation is simpler; and meanwhile, the MEMS is ensured to have a relatively strong dustproof effect.

The utility model relates to a parallel modular joint of a space manipulator, which relates to a joint of a space manipulator. The purpose of the present invention is to solve the problems of large mass, large volume, large power consumption and small output torque per unit mass of the current space manipulator. Gear one (2-1-1) of the present invention is glued together with the output shaft of DC brushless motor, and gear two (2-1-2), wave generator (2-3-3) and hollow transmission shaft (2-2-1) connection, rigid wheel (2-3-2) and thin-wall bearing second inner ring support seat (2-5-1) connection, thin-wall bearing second inner ring support seat (2-5-1 ) and output flange (2-9) connection. The invention has high degree of integration, high reliability, light weight, small size, low power consumption, compact structure, large output torque per unit mass, high position output precision, high bending rigidity, and can adapt to strong radiation in space, high vacuum, Environment with large temperature difference. It has the advantages of good maintainability and reliable operation.

The invention discloses a household appliance with an anti-blue-ray display screen. The household appliance comprises an electric appliance main body, first partition plates, a second partition plateand a refrigerator, first storage cavities are formed in one side of the interior of the electric appliance main body, the first partition plates are installed in the first storage cavities, and a pull ring is fixed to the top end of a dustproof net; and a limiting groove is formed in the bottom end of the interior of a dustproof frame. According to the household appliance, by arranging a dustproof structure, the dustproof effect is good, when dust enters an electric appliance shell, the dustproof net can block the dust and prevent the dust from entering the electric appliance shell inwards, meanwhile, a dust shielding poking piece can be poked to adjust the air circulation speed of the dustproof frame, when the dustproof net is used for a long time, the pull ring is pulled upwards, the pull ring can drive the dustproof net to be pulled out from the interior of the dustproof frame, at the moment, a limiting block can be disengaged from the interior of the limiting groove, the dust on the dustproof net can be removed, and the dustproof effect is high.

The invention provides a computer keyboard with dust-proof and heat-dissipating function, in accordance with that present invention, include an upper cov, Bottom shell, motor, Blade, protective soft cover, heat sink and filter screen, A low end of that upper cover is provide with a bottom shell, A motor is arranged at the bottom end of the bottom shell, rotating shaft is arranged on the motor, Blades are arrange on that rotating shaft, A support rod is arrange at that upper end of the blade, A support bar is fix on that inner wall of the bottom shell, A support rod is provide with an integrated circuit board, a plurality of threaded through hole are arranged on that integrated circuit board, bolts are arrange inside the threaded through holes, a battery is arranged at the lower end of theright side of the integrated circuit board, a plurality of key sensors are arranged on the integrated circuit board, keys are arranged on the key sensors, the keys are passed through the shell of theupper cover, and a protective soft cover is arranged on the upper surface of the upper cover. The invention has the advantages of reasonable structure design, simple installation, good heat dissipation performance and strong dustproof performance, effectively ensures the sensitivity of keys when the user uses the keyboard, and prolongs the service life of the computer keyboard.

The invention discloses a dust-free type conveying platform for spinning, and relates to the technical field of spinning. The dust-free type conveying platform for spinning aims at solving the problems that when an existing dust-free type conveying platform for spinning is used, textile products are inconvenient to convey to the high position, the device structure is simple, and the dust-free effect is not good enough. A motor is mounted on one side of the front end of a dust-free inclined type conveying platform for spinning, mounting edges are mounted at the two ends of the upper portion ofthe dust-free inclined type conveying platform for spinning, a dust-free protective cover is mounted on the upper portions of the interiors of the mounting edges, and an observation window is mountedin the front end of the dust-free protective cover. A discharging box is installed on one side of the dust-free inclined type conveying platform for spinning, a discharging base for spinning is installed on the other side of the discharging box, a dust-free cover is installed outside the discharging base for spinning, and a dust suction fan is installed in the middle of the upper portion of the dust-free inclined type conveying platform for spinning. A dust suction pipe is mounted in one side of the dust suction fan.

The invention discloses a dustproof structure for an electronic product, and the structure comprises a bottom shell, dustproof plates and an air outlet channel; one end of the bottom shell is connected with an air inlet channel, a suction fan is installed in the air inlet channel, the dustproof plates are distributed on one side of the suction fan, the middle of each dustproof plate is connected with a lifting handle, the four corners of the suction fan are connected with screws, a separation net is connected to the outer surface of the air blower, blades are installed in the air blower, a rotating shaft is connected to the middle of the blades, a belt is connected to the other end of the rotating shaft, a transmission motor is connected to the other end of the belt, a hinge is connected to the upper end of the bottom shell, and a cover plate is connected to the other end of the hinge; and the inner side of the cover plate is connected with a sealing gasket. The dustproof structure of the electronic product is provided with the air inlet hole and the dustproof net, dust prevention and heat dissipation can be conducted on the electronic product, the service life of the electronic product is greatly prolonged, the device is further provided with the sliding block and the sliding groove, and convenience is brought to installation of the dustproof plate.

The invention discloses a weld seam tracking visual sensor, which comprises a laser emitting module used for emitting structured light to a workpiece along a plane intersecting with a weld seam of the workpiece so as to form a laser weld seam image on the plane intersecting with the weld seam of the workpiece; an image acquisition module used for acquiring the laser weld seam image; an optical reflection module used for accurately transmitting the laser weld seam image into the image acquisition module by utilizing a light reflection effect; an image processing module used for processing the laser weld seam image acquired by the image acquisition module; a sensor shell, wherein a laser through hole and an image acquisition hole are arranged on a front end plate of the sensor shell; transparent dustproof glass which is arranged at the front end of the sensor shell and completely covers the laser through hole and the image acquisition hole; a glass replacing module which is used for rapidly replacing the transparent dustproof glass; a semiconductor temperature control system which is used for detecting the temperature and controlling the temperature; and an air-blowing dustproof module used for spraying air to the transparent dustproof glass to form positive pressure for dust prevention. The weld seam tracking visual sensor provided by the invention has the advantages of easy maintenance, high temperature resistance and strong dustproof capability.

The invention discloses a special sound absorption water paint for a conference hall and a preparation method of the special sound absorption water paint. The special sound absorption water paint forthe conference hall comprises the following components in percentage by mass: deionized water, attapulgite, a thickening agent A, a wetting agent, a dispersing agent, an antifreezing agent, a defoaming agent, a film forming auxiliary, a pH value stabilizer, titanium dioxide, sound absorption particles A, sound absorption particles B, sound absorption particles C, washed kaoline, talcum powder, a modified polymer emulsion, waterborne polyamide wax, a waterborne silicon emulsion, a hydrophobing agent, a thickening agent B, a leveling agent, a bacterial and antimildew agent and deionized water. When being used in the conference hall, the water paint disclosed by the invention has an obvious silencing effect for the outside of the conference hall and has a good paint surface leveling effect. The water paint disclosed by the invention can be constructed on a wall by using various roller tools or sprayers, so that noise outside the conference hall is reduced, and meanwhile, a good wall beautifying level is achieved. In addition, the special sound absorption water paint is integrated with an environmental protection concept and has the characteristics of antimildew property, dampproofness, pollution resistance and dust prevention.

The invention discloses a quick wiring apparatus for circuit fundamental principle teaching. The quick wiring apparatus comprises a quick wiring apparatus box, a limiting plate, a rubber pressing block, a telescopic insulating block, an outer connection line and an inner connection line; the quick wiring apparatus box adopts a rectangular block structure, and a hollow cavity is formed in the quickwiring apparatus box; the front end of the hollow cavity runs through the front side surface of the quick wiring apparatus box; and the hollow cavity is filled with the telescopic insulating block. In the apparatus, the wiring position of the outer connection line and the inner connection line is fixed in the quick wiring apparatus box, so that the connecting strength is improved, the apparatus does not fall off easily, and quick wiring is realized; the quick wiring apparatus is simple in use, and relatively high in waterproof property and dustproof property by protecting the wiring positionof the outer connection line and the inner connection line in the quick wiring apparatus box; and in addition, influence to the wiring position from external water and dust cannot be formed easily, the safety and the relative service life of the wiring apparatus are improved and prolonged, and the apparatus is suitable for popularization.