89results about How to "Change path" patented technology

The invention provides a range hood with an auxiliary air inlet channel. An oil filtering plate is installed on the front face of a cooking fume collecting cover. Main air inlets are formed in the oil filtering plate, and the oil filtering plate of the range hood is obliquely arranged towards the rear lower side from top to bottom. Auxiliary air inlets are formed in at least one of an area adjacent to the upper side edge of the oil filtering plate and an area adjacent to the lower side edge of the oil filtering plate. The auxiliary air inlets are in a long bar shape and are transversely through. Due to the fact that the auxiliary air inlets of the range hood are continuous and uninterrupted air inlet channels, the defect that gate-hole-shaped main air inlets are interrupted and not continuous can be overcome, and the air inlet area can be enlarged and a cooking fume path can be changed through the auxiliary air inlets. In addition, the included angle alpha between the oil filtering plate and the horizontal plane is designed to be larger than or equal to 18 degrees and smaller than or equal to 30 degrees, and under the condition that negative-pressure covering angles are the same, the negative-pressure covering area of a cooking bench is larger; and furthermore, after the auxiliary air inlets are arranged, the phenomenon that negative pressure is weakened and cooking fume escapes due to the fact that the inclination angle of a cooking fume guide plate relative to the horizontal plane becomes smaller can be effectively avoided, and therefore the cooking fume absorbing effect is improved.

An ink cartridge includes a first signal blocking portion configured to selectively prevent a first signal from passing therethrough or to alter a path of the first signal. The ink cartridge also includes a second signal blocking portion configured to selectively prevent a second signal from passing therethrough or to alter a path of the second signal. The second signal blocking portion has a thickness determinative of whether the second signal blocking portion prevents the second signal from passing therethrough or alters the path of the second signal at a time that the first signal blocking portion initially prevents the first signal from passing therethrough or alters the path of the first signal.

An ink cartridge includes a first signal blocking portion, a second signal blocking portion, and a third signal blocking portion. The first signal blocking portion is configured to either prevent a first signal from passing therethrough or to alter a path of the first signal when the first signal blocking portion receives the first signal, the second signal blocking portion is configured to either prevent a second signal from passing therethrough or to alter a path of the second signal when the second signal blocking portion receives the second signal, and the third signal blocking portion is configured to either prevent the second signal from passing therethrough or to alter a path of the second signal when the third signal blocking portion receives the second signal.

The invention discloses a silencing box body for a box-type transformer with a modular structure. The silencing box body comprises a double-layer top cover module, a resonant sound absorbing wall body and a door connected below the double-layer top cover module, a silencing fence, a bottom beam, and a box body foundation provided with an inflow air silencer, wherein the bottom beam, the silencing fence and the box body foundation are fixed together through a positioning connecting rod; and the entire transformer box body is modularized, and comprises four parts. Due to the adoption of the silencing box body, large-scale production can be realized, and convenience is brought to transportation and field installation; meanwhile, convenience is brought to subsequent maintenance; and in particular, when the transformer is required to be overhauled, only a top cover is required to be detached, and the transformer is hoisted out of the box body, so that the cost is lowered.

The invention discloses a method for preparing an intermediate though amino acid Maillard reaction based on reduced glutathione. The method adopts two-stage temperature change reaction, and adds the reduced glutathione after low temperature reaction for different time; based on mutual interaction between the substance and the intermediate degradation products, the subsequent Maillard reaction canbe suppressed effectively, thereby reducing the discovery of generation of colored matters; compared with browning of the Maillard products in the high-temperature stage, the reaction time with the best color inhibition effect is the best preparation condition for the intermediate; and under such conditions, the intermediate is prepared under low temperature in an aqueous phase. The disclosed method adopts the reduced glutathione with better water solubility as a tracer, so that the production time can be reduced and the tracing accuracy can be improved; the intermediate is prepared in the aqueous phase in a green and safe manner, and large-scale production of the intermediate is possible; and the method can realize controlled formation of food processing flavor, can enhance a sense of accomplishment and pleasure of consumers and has a higher practical application value.

The invention discloses an ultra-wideband microstrip antenna based on the rectangular stepped structural fractal. The ultra-wideband microstrip antenna includes a dielectric substrate, a metal ground plate, a radiation patch unit and an impedance matching microstrip feeder. The radiation patch unit and the impedance matching microstrip feeder are arranged on the front of the dielectric substrate. The metal ground plate is arranged on the back of the dielectric substrate. The radiation patch unit includes a first-order fractal structure, a tapered slot structure, a second-order fractal structure and a transform matching microstrip feeder. The first-order fractal structure includes a first rectangular radiation patch, a second rectangular radiation patch and a third rectangular radiation patch which are arranged in an inverted ladder shape. The central portion of the first-order fractal structure is provided with the tapered slot structure which is self-similar to the first-order fractal structure. The central portion of the tapered slot structure is provided with the second-order fractal structure. By adopting a new fractal structure, the invention broadens the frequency band of the antenna, reduces the size of the antenna and enables the antenna to meet ultra-wideband characteristics in 3GHz-12.9GHz. Meanwhile, the antenna is simple in structure, low in profile, and easy to install and integrate.

The invention discloses a three-dimensional numerical control electric spark linear cutting machine tool comprising a machine tool body, a cross saddle which is arranged on the machine tool body, and vertical columns which are fixedly arranged on the left side and the right side of the machine tool body; crossbeams which are connected with the vertical columns on the left side and the right side are arranged at the upper parts of the vertical columns; a left linear arm guide rail is arranged on the vertical column on the left side; a left linear arm is arranged on the left linear arm guide rail; the lower end of the left linear arm is provided with a left guide pulley; a right linear arm guide rail is arranged on the vertical column on the right side; a right linear arm is arranged on the right linear arm guide rail; the lower end of the right linear arm is provided with a right guide pulley; the upper end of the left linear arm is connected with the upper end of the right linear arm through a cross arm; the cross arm is provided with a z-axis lead screw; the z-axis lead screw is movably connected onto a lead screw pair. According to the three-dimensional numerical control electric spark linear cutting machine tool, the structure is simple, three guide pulleys and a group of z saddle are added based on an original common linear cutting machine tool, the winding path of an electrode wire is changed, i.e. the one-time clamping of a work piece is realized, the cutting of a three-dimensional surface is realized, and the machine tool is low in cost, easily used and easily promoted.

The invention belongs to the field of semiconductors, and particularly relates to a light emitting diode and a manufacturing method thereof. A channel is etched between adjacent light emitting units,a high-reflection layer is manufactured at the bottom of the channel, interference fringes are generated through the high-reflection layer, and the side surface of the light emitting diode is exposedby adopting the interference fringes; therefore, the groove and the protruding structure are formed on the side face of the light-emitting diode, the width of the bottom of the groove is larger than that of the opening, the silicon dioxide layer is arranged on the surface of the protruding structure, and light-emitting efficiency of the light-emitting diode can be further improved.

The invention relates to the technical field of shielding radiation plates and discloses a high-performance neutron gamma radiation shielding composite particle material and a radiation plate. The composite particle material chemically comprises, by mass, 26-33% of high-density polyethylene, 8-12% of epoxy resin, 3-5% of lead sand, 2.9-4.0% of 10BN, 1.1-1.2% of polyurethane, 0.7-1.3% of a couplingagent, 1.6-2.2% of 793 resin, 1.3-1.4% of aluminum hydroxide, 1.0-1.2% of barium sulfate, 0.6-1.1% of 6LiF, 0.4-0.7% of polyether-ether-ketone resin and the balance rare earth.

The invention relates to an LED area light source and a display device. The LED area light source comprises an LED lamp panel, a light-emitting layer and a reflection enclosing wall; the LED lamp panel comprises a light-emitting area; the light-emitting layer comprises an LED chip; the LED chip is arranged in the light-emitting area of the LED lamp panel; the reflection enclosing wall comprises reflection particles and a first transparent plastic base material; the reflection particles are distributed in the first transparent plastic base material; the reflection enclosing wall is tightly arranged on the periphery of the light-emitting layer in a surrounding mode and used for reflecting light emitted away from the light-emitting area. According to the LED surface light source and the display device of the invention, the reflection enclosing wall is tightly arranged around the periphery of the light-emitting layer in a surrounding manner; the reflection enclosing wall can reflect and recover the light emitted away from the light-emitting area; the path of the emitted light is changed; the LED light around the light-emitting area is prevented from running outwards; the brightness uniformity of the whole LED area light source is guaranteed; and the problem that the brightness of the periphery of the LED lamp panel is lower than the brightness of the center of the LED lamp panel issolved.

The invention mainly discloses an adjustor capable of automatically adjusting yarn tension. The adjustor comprises a tension detector, a servo motor, a first shaft, a second shaft, a first yarn guide and a second yarn guide, the servo motor is connected with and drives the first shaft provided with the first yarn guide to rotate, the first shaft and the second shaft provided with the second yarn guide are in mesh transmission through gears, and a yarn penetrates through the first yarn guide and the second yarn guide sequentially and penetrates through the tension detector for tension detection. The servo motor directly or indirectly drives the first shaft and the second shaft to rotate, and the first shaft and the second shaft are in mesh transmission through the gears, so that the first shaft and the second shaft rotate oppositely, and finally the first yarn guide and the second yarn guide are staggered by opposite angles. By the means, the yarn passing path and the yarn passing curvature are changed, so that yarn tension is changed.

In a label printer in which either a peeling mode or non-peeling mode can be selected as the label dispensing mode, labels are printed and thus wasted when the operator loads the label paper into a transportation path that does not match the desired dispensing mode. This problem is solved by a label printer enabling selecting as the printing configuration either a peeling configuration for peeling printed labels from the web of label paper 11 , or a non-peeling configuration in which the printed labels are not separated from the web of the label paper 11 . A printing configuration selection unit 27 enables selecting which printing configuration to use. To operate in the non-peeling mode, the label paper 11 is loaded into a first paper transportation path A. To operate in the peeling mode, the label paper 11 is loaded to a second paper transportation path B. A cover unit 2 can be opened and closed to enable handling the label paper, and takes the label printer off-line when the cover unit 2 is opened. A mode selection switch 19 is accessible only when the cover unit is open and operating the mode selection switch causes the printing configuration selection unit 27 to change the printing configuration.

The invention relates to an artificial satellite comprising an accumulator (62) apt to dissipate heat, at least one radiator (64) able to remove to space the heat dissipated by the accumulator (62), and a piece of equipment (52) that is said to be not very dissipative and that possesses an individual power density per unit area lower than 250 watts / m2, characterised in that it INC.ludes a thermally insulating cover (66) bounding, with said radiator (64), an isothermal interior zone (68) in which temperature is controlled by radiation, said accumulator (62) and said piece of not very dissipative equipment (52) being arranged under said thermally insulating cover (66), and in that said accumulator (62) has an operating range comprised between 0DEG Cand 50DEG Cand, preferably, between 10DEG Cand 30DEG C.

The invention relates to metallurgical pipe fitting punching equipment and a pipe fitting punching process. The metallurgical pipe fitting punching equipment comprises a base, a feeding device, a turnover mechanism, a clamping mechanism and a punching mechanism, the feeding device is used for conveying a metallurgical pipe fitting, the clamping mechanism is opened to clamp the metallurgical pipe fitting after the metallurgical pipe fitting reaches a designated place, and then the punching mechanism and the turnover mechanism are matched to carry out turnover and punching operation. According to the metallurgical pipe fitting punching equipment, automatic pipe fitting punching is achieved, the problem that punching is completed at a time is solved, the workload of workers is reduced, meanwhile, the percent of pass of pipe fitting machining can be well increased, and the working efficiency of the equipment is effectively improved.

The invention relates to the technical field of textile machinery, and discloses an integral forming device for convex points at surface of cloth. The integral forming device comprises a machine frame, wherein an upper feed roll and a lower feed roll are assembled on the machine frame; semispherical bulges are densely distributed at the surface of the upper feed roll, and semicircular grooves arearranged at the surface of the lower feed roll; a first guide roll is arranged in the machine frame, a second guide roll and a third guide roll are arranged at one side of the first guide roll, the first guide roll is connected with a reciprocating movement device, and a conveying belt is arranged in the machine frame; an extruding device is arranged above the tail end of the conveying belt; a swinging device is arranged in the machine frame and is matched with the reciprocating movement device and the extruding device. The integral forming device has the advantages that the structure is novel; by utilizing the mutual matching of the upper feed roll and the lower feed roll, the convex points are formed at the surface of the cloth; by utilizing the mutual linkage and matching of the first guide roll, the reciprocating movement device, the swinging device and the extruding device, the condensed wax blocks in the convex points of the cloth can be separated from the cloth.

The invention relates to an electronic cam-based CAM variable assignment method and a truss double manipulator and aims at solving the problems that a traditional cam mechanism is easy to wear, poor in flexibility and single in trajectory, needs to receive an electronic cam curve provided by a control system by connecting in parallel with a servo and the like. According to the technical scheme atpresent, aiming to avoid the situation that generation of a cam curve is not flexible, and secondary development is relatively difficult in the later stage, the invention creates and designs a CAM assignment method, through assignment on key process points on the electronic cam, interpolation is performed between every two process points through a quintic polynomial algorithm, the electronic cam curve can be flexibly generated online, and the process requirements are met; and meanwhile, a soft platform and a hardware platform of the electronic cam control system are built, experiments verify that an output motion track of the manipulator is more flexible, and the electronic cam-based CAM variable assignment method and the truss double manipulator are formed.

The invention relates to an electronic accelerator pedal, in particular to an anti-interference device of a magnetic sensing accelerator pedal. The technical proposal of the invention is that a protection output terminal of a power supply protection circuit is connected with a signal collection and output circuit; when the environment supplies electricity for the signal collection and output circuit, the power supply protection circuit provides protection for the signal collection and output circuit; when the accelerator pedal is trampled, the signal collection and output circuit converts the deflection quantity of the angle of the accelerator pedal into the electromagnetic signal and converts the collected magnetic signal into the electric signal at the same time which is sent to an engine accelerograph controller. The invention can improve the safety, sensitiveness and driving comfort, reduces the oil consumption, reduces the exhaust pollution, and meets the environmental requirement much better.

The invention relates to a solar power generation high-strength light-weight building composite board and a manufacturing method thereof. The existing solar power generation technology has the defects that the limited space of the top and the external walls of a building can not be fully utilized, the installation is complicated, and meanwhile, the generating efficiency depends on the direction of sunlight. The composite board comprises a high-strength light-weight building baseplate (2), wherein a polycrystalline silicon or noncrystalline silicon film (3) is deposited on the high-strength light-weight building baseplate, transparent resin (4) is arranged outside the polycrystalline silicon or noncrystalline silicon film, and the other side of the high-strength light-weight building baseplate is provided with a pull box (1). The product is used for solar power generation.

The invention discloses a fin type fast recovery super-junction power semiconductor transistor and a preparation method thereof. The fin type fast recovery super-junction power semiconductor transistor comprises an N-type substrate, wherein an N-type epitaxial layer is arranged on the N-type substrate; second columnar P-type body regions are arranged in the N-type epitaxial layer; a first P-type body region is arranged on the top of the N-type epitaxial layer, and the first P-type body region is positioned between the two second columnar P-type body regions; the surface of the N-type epitaxial layer is provided with an N-type heavily-doped source region and a P-type heavily-doped semiconductor contact region; the N-type heavily-doped source region, the P-type heavily-doped semiconductor contact region and the second P-type body region are connected with source electrode metals; polysilicon gates are arranged on two sides of the first P-type body region respectively; the second columnar P-type body regions are terminated at the lower surfaces of the polysilicon gates, and the second columnar P-type body regions are lower than the first P-type body region; gate oxide layers are arranged between the polysilicon gates and the first P-type body region, the N-type epitaxial layer and the second P-type body regions; insulated layers are arranged between the polysilicon gates and the source electrode metals; and the gate oxide layers enable the first P-type body region and the second P-type body regions to be separated from each other.

The invention discloses an assembly type road automatic control system. The assembly type road automatic control system comprises a paver, a visual positioning unit arranged on the paver, a visual analysis unit connected with the visual positioning unit and a paver control unit connected with the visual analysis unit. The paver comprises a mechanical arm, a prefabricated plate preparation area arranged at the front channel position of the mechanical arm and a portal lifting appliance arranged at the rear channel position of the mechanical arm. A roller way is arranged on the precast slab preparation area, and an assembling area is arranged below the gantry lifting appliance; and the visual positioning units are respectively arranged on the mechanical arm, the prefabricated slab preparationarea, the assembly area and the gantry lifting appliance. It should be pointed out that for ordinary technicians in the field, on the premise of not breaking away from the conception of the invention, a plurality of deformations and improvements can also be made. These belong to the scope of protection of the invention.

The invention discloses an optical system structure for laser processing. The optical system structure for laser processing comprises a rack, wherein a laser, a beam expander assembly connected to theemergent end of the laser, a turning assembly connected to the emergent end of the beam expander assembly, a reflecting mechanism connected to the emergent end of the turning assembly and a galvanometer assembly connected to the emergent end of the reflecting mechanism are mounted on the rack, the laser and the beam expander assembly are connected through a hollow shading rod, the beam expander assembly and the turning assembly are connected through a hollow shading rod, the reflecting mechanism comprises a fixed end reflecting assembly and a movable end reflecting assembly connected below the fixed end reflecting assembly, and the fixed end reflecting assembly is mounted on the rack. The optical system structure for laser processing has the effect that the position of a light spot can berapidly adjusted, so that the light spot can move along the X axis, the Y axis and the Z axis.

The invention discloses a rear denitrification filter tank. The rear denitrification filter tank comprises a carbon source mixing reaction zone and a denitrification reaction zone, the carbon source mixing reaction zone is provided with a mixing stirrer and a carbon source adding system, and the denitrification reaction zone is provided with a water distributor, an aeration system, a filter plateand a water outlet tank; the two zones are communicated through a water distributor at the bottom; a filter plate with a horizontal position lower than the orifice of a water inlet pipe is arranged atthe upper part of the denitrification reaction area, is of a planar structure with filter holes and completely covers the water outlet surface at the upper part of the denitrification reaction area;a water outlet groove is formed in the periphery of the upper water outlet surface of the denitrification reaction area and communicated with a water outlet pipe; and a filter material is put into thedenitrification reaction area below the filter plate. A light composite filter material is adopted, an upward flowing mode is adopted, the water inlet direction is consistent with the nitrogen release direction, nitrogen release is better facilitated, the nitrogen release process does not need to be independently set, rising of dissolved oxygen caused by downward flowing and water falling is avoided, and the carbon source adding amount is reduced; water head loss is small, and elevation arrangement is facilitated.

The invention discloses a graphene wave-absorbing film coating and a preparation method thereof. The graphene wave-absorbing film coating comprises the following components by weight: 10-30 parts of polymer resin, 0.05-5 parts of graphene powder, 30-85 parts of iron-silicon-aluminum alloy powder, 30-80 parts of ferrite, 30-80 parts of iron slurry, 1-10 parts of aluminum powder, 1-5 parts of an auxiliary agent, an 2-20 parts of deionized water. The coating is prepared by simply mixing and stirring all the components. The coating takes polymer resin as a carrier, and graphene and a metal wave absorption and shielding material are added. After the coating is applied and dried to form a film, good noise absorption and shielding effects can be achieved.

The invention relates to a device integrated with a junction field effect transistor and a manufacturing method thereof. The JFET region of the device comprises: a JFET source, first wells, a metal electrode of the JFET source, a JFET metal gate and a clamp region, wherein the JFET source is of a first conductive type; the first wells are of a second conductive type and formed on two sides of theJFET source; the metal electrode of the JFET source is formed on the JFET source and is in contact with the JFET source; the JFET metal gate is arranged on the first wells on the two sides of the JFETsource; and the clamp region is located below the JFET metal gate and within the first well, is of the second conductive type and has an ion concentration greater than that of the first wells. The ion concentration of the first wells is improved by the clamp region of the second conductive type, and the depletion capability of the channel region is enhanced, so that the JFET pinch-off voltage stability is improved to certain extent. At the same time, the clamp region enhances the electric field strength therein, changes the path of avalanche current and improves the stability of the device.

The invention discloses fully automatic multiple adjustable fluid filler injecting production equipment and a filler injecting technology. The filler injecting production equipment comprises a longitudinal queue material adjusting device, a horizontal queue material adjusting device and a filler injecting machine from an input end to an output end, wherein the longitudinal queue material adjustingdevice comprises a dividing device for dividing fed foods into longitudinal queues to be conveyed, the horizontal queue material adjusting device comprises a dividing device for dividing the foods ineach longitudinal queue to enable the foods to be aligned horizontally with the foods in the adjacent longitudinal queues, the filler injecting machine comprises a conveying table of the filler injecting machine, a food filler pumping device, and a food filler injecting device, the conveying table is used for conveying foods to be processed, the food filler pumping device pumps out a filler in the hopper and supplies the filler to the food filler injecting device, and the food filler injecting device is arranged on the conveying table for filler injection on the foods; and the food filler injecting device is provided with a movable driving device for driving the food filler injecting device to simultaneously move along with the conveyer belt of the conveying table while performing fillerinjecting. Full automation is adopted for filler injection on the conveyed foods, so that the working precision and the working efficiency can be improved.

The invention provides a device and method for machining grooves in the two sides in an inner hole of the large end of a connecting rod. The device comprises a workbench and a molybdenum wire. A connecting rod positioning clamp is fixedly arranged on the workbench. A positioning block is arranged under the workbench. A first guide wheel and a second guide wheel are installed on one side of the positioning block. The positioning block is further provided with a guide wheel pile, the guide wheel pile sequentially penetrates through the workbench and a clamp, one end of the guide wheel pile stretches to the portion above the clamp, a third guide wheel is installed at the end of the guide wheel pile, and the molybdenum wire is sequentially installed on the first guide wheel, the third guide wheel and the second guide wheel. According to device and method for machining the grooves in the two sides of the inner hole in the large end of the connecting rod, the molybdenum wire does not need to be detached or installed.

The invention provides a self-healing type inorganic nano waterproof liquid which is prepared from the following components: sodium silicate, nano silicon dioxide emulsion, magnesium lithium silicate, a silane coupling agent, a surfactant, mica powder, a regulator, a coagulant, a metal ion chelating agent, an anti-freezing agent and deionized water. According to the invention, corrosion of water seepage, sunlight, acid rain, deicing salt and seawater to a base material can be effectively prevented, and corrosion, loosening, stripping and mildew of concrete and internal steel bar structures are prevented.