70results about How to "No increase in production cost" patented technology

The invention refers to the technical field of wind power and particularly relates to a lubricant cooler, a cooling lubricating system of a step-up gear box, a wind power unit and a low-temperature starting method of the wind power unit. The lubricant cooler of the invention comprises a radiating plate and a unidirectional valve arranged on a lubricant conveying pipeline; the radiating plate and the unidirectional valve are arranged in parallel, and the unidirectional valve and the lubricant conveying pipeline interconnected with the unidirectional valve are integrated on the radiating plate. The lubricant cooler of the invention can solve the problem that the wind power unit of the cooling lubricating system of step-up gear box is shutdown for failure for the lubricant blocks the radiating plate. The cooling lubricating system of the step-up gear box is simple in structure. The wind power unit can be effectively started under low temperature. The low-temperature starting method of the wind power unit can smoothly start the wind power unit under the low-temperature environment.

The invention relates to a thin film transistor liquid crystal display (TFT-LCD) array substrate and a manufacturing method thereof. The array substrate comprises grid lines and data lines which define a pixel region, wherein a TFT, common electrodes and pixel electrodes of electrode strip structure are formed in the pixel region; the common electrodes are formed on a second insulating layer covering the data lines; and the pixel electrodes are formed on a third insulating layer covering the common electrodes. The array substrate and the manufacturing method have the following beneficial effects: by forming the common electrodes on the second insulating layer covering the data lines, forming the pixel electrodes of electrode strip structure on the third insulating layer covering the common electrodes and driving all the liquid crystals in the regions between the edges of the pixel electrodes and the edges of the data lines with a regular electric field, the efficiency of driving the liquid crystals is improved and the region becomes a display region, thus farthest increasing the area of the display region and effectively improving the aperture opening ratio.

The invention discloses a method for extracting gypenosides, which comprises the following steps: (1) pulverizing fiveleaf gynostemma herb to obtain fiveleaf gynostemma herb powders; (2) adding the fiveleaf gynostemma herb powders obtained in the step (1) into aqueous solution of NaOH for boiling, filtering, and taking filtrate; (3) adsorbing the filtrate obtained in the step (2) by macroporous absorption resin, eluting the macroporous absorption resin by the aqueous solution of NaOH till colorlessness, collecting NaOH eluant, washing the NaOH eluant by purified water till neutrality, finally desorbing the NaOH eluant by ethanol, and collecting ethanol stripping liquid; (4) adsorbing the NaOH eluant by active carbon, and circulating the NaOH eluant in the step (2) after pigment removal; and (5) distilling ethanol liquid obtained in the step (4) under reduced pressure, reclaiming the ethanol, and drying solid to obtain the gypenosides. The method has the advantages of low cost, high efficiency, no pollution and high product purity.

The invention discloses a vacuum insulation board with no fear of surface damage and a processing technology thereof. The vacuum insulation board comprises an inner vacuum structural layer and at least one outer vacuum structural layer wrapped outside the inner vacuum structural layer, wherein the inner vacuum structure layer is composed of an inner core plate and a high vacuum barrier film wrapped outside the inner core plate, the inner core plate inner vacuum structure layer is composed of the inner core plate and the high vacuum barrier film wrapped outside the inner core plate, the inner core plate is prepared from a material such as glass fibers through carding hot pressing or dispersion wet method and a vacuum process, the inner core plate and a getter material are placed into the high vacuum barrier film to be made into the inner vacuum structure layer through high vacuum heat sealing equipment, the outer vacuum structure layer is composed of the inner vacuum structure, an outercore plate and a high-vacuum barrier film wrapped outside the outer core plate, and the outer core plate is made of glass fiber and other materials through wet-process mixed dispersion through a vacuum forming process. The vacuum insulation board has the characteristics of being good in heat preservation effect, safe, light, simple in construction, and capable of opening holes and the like, and after the surface is damaged, no drum, no expansion, no water absorption, and good retention and heat insulation performance are reserved.

The invention provides a micro semiconductor laser diode capable of realizing high power single-mode output and a manufacturing method thereof and particularly discloses a semiconductor laser diode with a non-rectangular resonant cavity and a manufacturing method thereof. The parts, near the vertical light extraction end faces, at the two ends of the resonant cavity are of rectangular single-channel waveguide structures. The middle part of the resonant cavity comprises the waveguide structure with at least a channel. The light peak output power of the laser diode is increased under the condition of keeping the total straight length of the resonant cavity and the volume of the laser diode invariant, so that the chip product rates on the substrates with the same size are increased, thus lowering the product cost and providing a solution for the special application of high-density integrated circuits of light and ultra-small integration space but with high light power.

The invention discloses a vacuum thermal insulation plate with mounting holes and without fear of surface damage and a processing technology. The vacuum thermal insulation plate comprises an inner vacuum structural layer and at least one outer vacuum structural layer wrapped around the outer side of the inner vacuum structural layer, the inner vacuum structural layer is composed of an inner core plate body and a high vacuum barrier film wrapped around the outer side of the inner core plate body, the inner core plate body is prepared from materials such as glass fibers through a carding hot pressing or dispersion wet process and a vacuum technology, and the inner vacuum structural layer is prepared by using high vacuum heat sealing equipment; each outer vacuum structural layer is composed of an outer core plate body and a high vacuum barrier film wrapped around the outer side of the outer core plate body, each outer core plate body is prepared from materials such as glass fibers througha mixing dispersion wet process through a vacuum forming technology, a gettering material can be embedded into each outer core plate body, then each outer core plate body is put into the corresponding high vacuum barrier film, and the outer vacuum structural layers are prepared by using the high vacuum heat sealing equipment; and for mounting hole parts, the mounting holes are separated from thecore plate layers by using partition plates provided with through holes. The vacuum thermal insulation plate does not bulge, does not swell, does not absorb water and can retain the thermal insulationperformance after the surface of the vacuum thermal insulation plate is damaged.

The invention discloses a summer soybean simplified cultivation method and belongs to the technical field of soybean planting. The method comprises the steps of fine breed selection, sowing in good time, wheat straw utilization, seed fertilizer application, shallow rotary tillage and compacting, weed killer spraying, field management and the like. The method is easy and capable of shortening farming time. By the adoption of the method, the rate of emergence of soybean is quite high, seedlings are uniform and strong, and a foundation is laid for the high and stable yield of soybean; production cost is low, and then cost saving and effectiveness increasing are achieved; by means of straw mulching, the organic content of soil is increased, soil fertility is improved, the economical environment is protected, resource utilizing efficiency is improved, and sustainable agricultural development is promoted. The method has vital practical significance in developing soybean production and guaranteeing food security in China.

The present invention provides an electronic component mounting apparatus based on the replacement of the common nozzle of the adsorption suppressing increase in size and production cost of the entire device. In the substrate for mounting an electronic component (B) on the electronic component mounting apparatus (1) comprising: a plurality of substrate transfer unit (3F, 3R), it will transport the substrate (B) is arranged parallel to the substrate conveyor line; more mounting head (5F, 5R), which is detachably attached to the electronic component for attracting and holding the adsorption nozzle (N), is set to, can be adsorbed by the suction nozzle (N) to the adsorption of the electronic component held by the substrate transfer unit (3F, 3R) mounted substrate moves; replacement unit and multiple nozzle (7), which is disposed between the substrate conveying portion (3F, 3R), can be placed in different types of adsorbing and holding the electronic components were replaced with a adsorption nozzle (N).

The invention discloses a low internal reflection composite base material and a manufacturing method thereof. In the base material, a filtering or absorption effect of a shielding layer to light can be realized and ultralow internal reflection can be maintained. Compared to the base material of the shielding layer arranged on a routine coating film layer, the base material of the invention can be as low as 0.1%-0.2% (420nm-680nm). A manufacturing technology of the base material is simple. Compared to the manufacturing technology of the traditional base material which is coated with the shielding layer, a complex degree of the technology in the invention is not increased, and production cost is not increased either and even is decreased.

The invention discloses a power device with an electrostatic protection structure and a manufacturing method of the power device. The power device with the electrostatic protection structure comprises a drifting layer, a drain region, a drain electrode, a P- doped region, a first N+ doped region, a P+ doped region, a first insulating film, a second insulating film, a polycrystalline silicon layer, a gate electrode, an electrostatic protection layer, a third insulating film, a source electrode, an electrostatic electrode and a conductor layer. The electrostatic protection layer comprises a plurality of second P- doped regions and a plurality of second N+ doped regions, wherein the second P- doped regions and the second N+ doped regions are arranged alternately. By alternately arranging the P- doped regions and the second N+ doped regions in the power device, an electrostatic protection layer-Zener diode structure is formed, and thus space in a power module will not be occupied by an electrostatic protection circuit and the like while an electrostatic protection structure does not need to be additionally arranged, the space efficiency of the power module is improved, the number of wires and the number of some parasitic parameters are reduced, and the efficient power device is obtained.

The invention discloses a triangular wave generating method and a triangular wave generating circuit applied to a D-class audio frequency amplifier. The triangular wave generating method includes forming first reference voltage and second reference voltage according to feedback parameters in proportion to power supply voltage at an output stage of the D-class audio frequency amplifier and first voltage with a preset value, and enabling values of the first reference voltage and the second reference voltage to be a difference value and a sum value of the value of the first voltage and a value of second voltage in proportion to the power supply voltage respectively; using charging current and discharging current to charge and discharge a charge-discharge capacitor respectively, and enabling the first reference voltage and the second reference voltage to be a wave valley and a wave peak of voltage on the charge-discharge voltage; acquiring triangular waves, with common mode voltage to be the first voltage constantly and with amplitude in proportion to the power supply voltage, at two ends of the charge-discharge capacitor. When the triangular waves generated by the method are applied to the D-class audio frequency amplifier, accuracy in outputting of PWM (pulse width modulation) signals can be guaranteed, stability of a loop can be ensured without sacrificing power consumption and area performance, and increasing of production cost is avoided.

The invention belongs to the technical field of fluorescent brightening agent, in particular to a crystal transfer method for triazinyl amino toluylene fluorescent brightening agent. The invention mainly provides the crystal transfer method for the triazinyl amino toluylene fluorescent brightening agent, which is used for transferring the unstable straw yellow Alpha unformed triazinyl amino toluylene fluorescent brightening agent into stable white Beta type triazinyl amino toluylene fluorescent brightening agent. The crystal transfer method comprises the steps as follows: 1, mixing water with Beta type triazinyl amino toluylene fluorescent brightening agent to obtain Beta type seed crystal slurry; 2, adding the Beta type seed crystal slurry into the third condensation reaction liquid in the manufacturing process of the triazinyl amino toluylene fluorescent brightening agent to undergo backflow reaction for 1 to 6 hours; and 3, after the reaction, reducing the temperature to 40 to 100 DEG C, filtering, and drying to obtain the Beta type triazinyl amino toluylene fluorescent brightening agent. The invention has the advantages of low cost, zero contamination, simplicity in treatment, and the like.

The invention provides a protective film frame, a preparation method thereof and a protective film assembly. The protective film frame comprises a frame structure and a coating layer coating the surface of the frame structure, and the coating layer comprises a chromium layer or a titanium dioxide layer. The coating layer coats the surface of the frame structure, so that acid radical/ammonia radical ions (SO4<2->, PO4<3-> and NH<4+>) in the frame structure are coated and isolated from the outside, the release of the acid radical/ammonia radical ions (SO4<2->, PO4<3-> and NH<4+>) in the exposureor after-exposure storage period of a photoetching machine is avoided, and the irregular generation of white fog (Haze) by a photomask is avoided. According to the protective film frame, the photomask is prevented from generating the white fog, so that the repeatability defect of the photomask with the white fog on a formed substrate can be effectively avoided, and the yield of the substrate canbe further improved.

The invention relates to a preparation method of a tungstenic heteropolyacid catalyst. The method comprises the following steps that (1) an appropriate amount of tungstic acid and an oxidant are contacted, heated and stirred until a solution is colourless; filtering is conducted; the solution is cooled to a room temperature for use; (2) phosphoric acid is weighed, diluted and then added to reaction liquid; a system is diluted by water; stirring is conducted for reaction; (3) hexadecylpyridinium chloride is dissolved in methylene chloride and dropwise added to a final solution obtained in Step (2); stirring is continued for reaction; and (4) the solution stands; an organic phase is separated; methylene chloride is distilled off in a water bath at 50-60 DEG C; and a light-yellow solid catalyst is obtained. The preparation method has a creative improvement based on the original preparation method, so that the yield is increased, the cost is lowered, the flow is simplified, and industrial production is easy to realize.

The invention provides a magnetic noiseless lock. The magnetic noiseless lock comprises a lock body and a spring bolt box, wherein the lock body comprises a first magnet, a spring bolt, a pulling rod, a returning spring and a shifting fork; the spring bolt box comprises a lock catch, a second magnet arranged in the lock catch, and a muffling block arranged on the outer surface of the second magnet; the second magnet is fixed to a position corresponding to the first magnet along the length direction of the spring bolt box; the spring bolt is provided with a first position where the spring bolt can retract in the lock body, and a second position where the spring bolt can extend out of the lock body and be embedded into the spring bolt box. According to the magnetic noiseless lock, the magnets are additionally arranged based on a common lock, and a muffler is arranged, so that the muffling effect is achieved; the whole magnetic noiseless lock is simple in structure, and the manufacturing cost is not increased by being compared with that of the common lock; in addition, the arrangement positions of the magnets are changed, so that the service lives of the magnets can be prolonged, and as a result, the service life of the whole noiseless lock can be prolonged; the extra cost of replacing the lock due to the additionally-arranged magnets can be decreased.

The invention discloses a preparation method of a cord fabric with multiple groups of hollow warp marking structures and the cord fabric prepared by the preparation method. The preparation method comprises the following steps of: firstly, preparing cord threads in an S twisting direction and a Z twisting direction; secondly, crossly arranging the cord threads in the S twisting direction and the cord threads in the Z twisting direction, and preparing a grey fabric through an air jet loom provided with a reed; and carrying out gum dipping treatment to obtain the cord fabric with the multiple groups of hollow warp marking structures. According to the preparation method disclosed by the invention, reed teeth with different thicknesses are regularly arranged in the reed; the cord threads in theS twisting direction and the Z twisting direction are regularly arranged, so that the prepared cord fabric has a hollow warp effect and keeps clear hollow warp marks; the problem that the density distribution of the cord threads is not uniform is radically solved; and the uniformity and consistency of the strength of a tire cap ply are ensured and the safety of tire utilization is improved.