69results about How to "Guaranteed to be constant" patented technology

Capacitive touch screen including first and second substrates (2, 4) that extend parallel to and at a distance from each other, said first and second substrates (2, 4) being made of a transparent, dielectric material, a first series of electrodes (6), made of a transparent, electrically conductive material, being arranged on at least the surface (2a) of the first substrate (2) that faces the second substrate (4), said touch screen being characterized in that it includes means for keeping the space between the two substrates (2, 4) constant.

The invention relates to a fertilization control system for a circular and translational motion type sprinkling irrigation machine. In the fertilization control system, a constant pressure water supply unit is equipped to solve the hydraulic pressure fluctuation caused by switching of spray nozzle and other reasons, so that the operational reliability and spraying uniformity of the fertilization control system are improved; a control unit is adopted to adjust the variation of the pumping flow of fertilization injection along with the water supply flow of the constant pressure water supply unit, so that the precise and constant fertilization concentration and fertilizing amount within the whole sprinkling irrigation range are guaranteed, and especially, the precise and constant fertilization concentration and fertilizing amount are guaranteed in the situation of large flow variation amplitude of a circular and translational motion type sprinkling irrigation machine provided with a tail gun within the opening and closing time period of the tail gun.

The invention discloses an LED (Light Emitting Diode) lamp capable of adjusting color temperature. The LED lamp comprises an LED lamp bead array. The LED lamp is characterized by further comprising a PWM (Pulse Width Modulation) drive module and an MCU (Microprogrammed Controller Unit). The PWM drive module is electrically connected to the MCU. PWM signal parameters which are corresponding to multiple paths of the LED lamp bead arrays are calculated by the MCU under the premise of maintaining a constant brightness when color temperature is adjusted, and the PWM signals are output to the PWM drive module by the MCU. According to the LED lamp provided by the invention, multiple paths of PWM signal parameters which are required for maintaining the constant brightness when the color temperature is adjusted are calculated through an MCU built-in algorithm for color temperature adjustment with the constant brightness. The outputs of the LED lamp bead arrays are adjusted by the PWM drive module by setting the PWM signals. The constant brightness is ensured while the color temperature adjustment is operated for the LED lamp.

The invention discloses a sulfur dioxide aiming at high-concentration sulfur dioxide flue gas, adopting two-tower slurry interactive spray washing and keeping basic conformance of characteristics of slurry in a two-tower slurry pool. No other additional slurry transferring device is added between two towers, reciprocating circulation flow of the slurry between the two towers can be achieved, conformance of two-tower slurry concentration, slurry pH value, slurry temperature and slurry liquid level can be maintained, and equal proportion absorption of two-tower spraying layers to flue gas sulfur dioxide is achieved. The device and the method enable the two towers to absorb high-concentration sulfur dioxide of flue gas stably and save investment of a set of slurry parameter detection system.

An in-situ analyzer of gas pollutants by micro sampling is composed of a reflector, a filter set, an infrared ray source, an infrared detector, lens, an optical absorbing cavity, the coarse, fine and superfine filters at gas inlet of the optical absorbing cavity, critical gas-pumping hole on the wall of the optical absorbing cavity, and a vacuum pump for said critical gas-pumping hole. Its advantages are high precision, unique structure and high sampling reliability.

The invention provides a voltage regulating transformer which comprises a main transformer body and a string transformer body. The main transformer body comprises a main transformer public coil, a main transformer series-connection coil and a main transformer voltage regulating coil, wherein the main transformer public coil and the main transformer series-connection coil are in series connection with a wire inlet end, and the main transformer voltage regulating coil is in electromagnetic coupling with the main transformer public coil and the main transformer series-connection coil. The string transformer body comprises a string transformer primary coil and a string transformer secondary coil, wherein the string transformer primary coil and the string transformer secondary coil are mutually in electromagnetic coupling, the string transformer primary coil is in series connection with a main transformer voltage regulating coil, and the string transformer secondary coil in series connection with the main transformer series-connection coil is connected with a wire outlet end. A rank difference voltage regulating method of the voltage regulating transformer includes the following steps that transmission voltage in the string transformer secondary coil is changed through regulating of the number of turns of the connected main transformer series-connection coil; the number of turns of the connected main transformer voltage regulating coil is regulated, so that sensing voltage in the string transformer secondary coil is changed, the sensing voltage and / or the transmission voltage are / is regulated, so that voltage of the wire outlet end of the voltage regulating transformer is changed, wherein the voltage of the wire outlet end is equal to the algebraic sum of the transmission voltage and the sensing voltage.

The invention discloses a fresh blueberry fruit picking, storage, transportation and selling integrated preservation method. According to the method, small baskets matched with a blueberry storage, transportation and selling microenvironment air-regulating preservation box are utilized for picking blueberry fruits with the 80-90% ripeness; the blueberry fruits are pre-cooled for 4-8 hours at 0-5 DEG C within 2-6 hours after being harvested, and every two small baskets are put in the preservation box; a physiological regulation preservation strip is placed in a bottom transverse groove of the box body, then a special matched coolant bag is dipped into clear water and then put in a fixed position between every two baskets, and the bottom of the special matched coolant bag is in sufficient contact with the physiological regulation preservation strip; then a shakeproof biological preservation pad is placed on every two small baskets and then tightly covered with an upper cover, and stacking for storage is conducted; the blueberry fruits are periodically taken out of a warehouse, and then a cold-chain logistics vehicle is utilized for conveying the blueberry fruits to commission sale site refrigeration houses, or the blueberry fruits are directly sold in low-temperature containers, wherein the blueberry fruits can be stored for 6-10 weeks at the temperature of 0 DEG C, and can be stored for 1-3 weeks at the temperature of 8-10 DEG C; finally, the blueberry fruits are put in domestic refrigerators, and the preservation period is 1-7 days. By means of the preservation method, the problems that after the blueberry fruits are picked, due to repeated transfer, the bloom of the blueberry fruits is lost, and the storability is lowered accordingly can be solved.

The invention discloses a fall-proof device for electric power test climbing and an application method thereof. The fall-proof device comprises a box body, wherein the top side of the box body is provided with a groove; two positioning plates are welded in the groove; screw rods are welded at the tops of the positioning plates; the outer sides of two screw rods are movably sleeved with one same cover plate; onesame limiting rod iswelded between the bottom of one of the two positioning plates and the bottom inner wall of the groove; the outer side of the limiting rod is movably sleeved with a sliding plate; two brackets are welded at the bottom of the sliding plate; the bottoms of the brackets are rotatably provided with rotating shafts; onesame winding wheel is welded at theends, close toeach other, of the rotating shafts; and one end of a traction rope is wound and fixedly arranged on the winding wheel. The fall-proof device for electric power test climbing and the application methodthereof have reasonable design, can increase elastic force of a first spring, a second spring and a third spring, conveniently adjust the length of the traction rope, can buffer a hook and the traction rope, avoid the hookbreakage caused by the excessive instantaneous force, and are conducive to use.

The invention discloses a medical infusion device which comprises a liquid storage box, a partition plate and an air guide pipe. The partition plate divides the liquid storage box into a left cavity and a right cavity. The size of the left cavity is larger than that of the right cavity. The bottom of the partition plate is provided with a communication hole. One end opening of the air guide pipe is in a funnel shape, and the air guide pipe penetrates through the partition plate. The end, with the end opening in the funnel shape, of the air guide pipe is located at the bottom of the left cavity, and the other end of the air guide pipe is located in the right cavity. The top of the left cavity is provided with a liquid adding hole, and the liquid adding hole is provided with a detachable stopper. The top of the right cavity is provided with an air inlet hole. The bottom of the right cavity is provided with an infusion hole, and the infusion hole is provided with a rubber stopper. One end of an infusion hose is provided with a bottle stopper puncturing device, and the other end is provided with a vein needle. The infusion hose is provided with a drip chamber, a flow speed adjuster and a liquid medicine filter. The bottler stopper puncturing device penetrates through the infusion hole. According to the medical infusion device, the liquid medicine can drip stably at a constant speed no matter whether the infusion speed is high or low.

The invention discloses an impregnation method for a solid-state aluminum electrolytic capacitor. The impregnation method comprises the following steps: step 1: welding elements: preparing multiple cross bars, and welding multiple elements on each cross bar; step 2: adjusting the positions of two side plates, wherein an impregnation container is a square cover-less container; guide mechanisms arearranged on both sides of the impregnation container; the side plates are arranged in the guide mechanisms and can slide in the lengthwise directions of the guide mechanisms; a row of V-shaped slots (6) for placing the cross bars are formed in one end of each side plate; reversely sliding the two side plates, and stopping sliding the side plates until the side plates reach preset positions; step 3: preventing the cross bars with the elements: respectively placing both ends of each cross bar welded with the elements into the V-shaped slots of the two side plates; step 4: performing impregnation: completely impregnating the elements into an impregnation solution for a preset impregnation time length, taking out the cross bars, and completing the impregnation process. The impregnation methodfor the solid-state aluminum electrolytic capacitor is high in flexibility and high in impregnation efficiency.

The invention discloses a novel full-automatic down filling machine. The down filling machine comprises a fan, a down storage box, a weighing device and a down filling pipe, wherein the down filling pipe comprises an inner pipe, an outer pipe and a long pipe, a through down incoming hole is formed in the middle of the inner pipe, two steps are arranged at the front end of the inner pipe, a step is arranged at the rear end inside the outer pipe, the step at the rear end inside the outer pipe is in lap joint with the first step at the front end of the inner pipe in a sealing mode, an annular cavity is formed by the step at the rear end inside the outer pipe and the second step at the front end of the inner pipe, a gas inlet which is communicated with the annular cavity is arranged on one side of the outer pipe, a plurality of gas outgoing grooves which are communicated with the annular cavity are uniformly formed in the front end of the inner pipe and are formed in an inclined mode in the clockwise or anticlockwise direction, and the long pipe is connected with the front end of the outer pipe in a sealing mode. Compared with the prior art, the down filling machine has the advantages of being simple in structure, convenient to operate, high in working efficiency, low in energy consumption, low in labor intensity, uniform in down filling and high in down filling quality.

The invention relates to the technical field of drive axle test devices, and provides a semi-floating half-shaft rotation bending fatigue test device based on an drive axle assembly. The device comprises a test platform, two rim fixing devices mounted on the test platform, a drive motor and two loading mechanisms; each loading mechanism comprises a support frame mounted on the test platform and a stress application frame which is vertically mounted on the support frame in a sliding manner, and the lower end of the stress application frame is used for being propped against and matching a test sample bridge; and the device further comprises a lever mechanism which is arranged on the test platform and is used for applying downward acting force to the stress application frames. By arranging the lever mechanism and utilizing the lever principle, the gravity of a small mass block is amplified and is loaded to the test sample bridge through the stress application frames, meanwhile, the gravity of the mass block is not influenced by factors such as test device operation, test sample bridge rigidity change, test device manufacturing and mounting errors and the like, and the vertical load borne by the test sample bridge in the test process is ensured to be constant, so that the accuracy of the test result is improved.

The invention discloses an electrically and hydraulically driven high-precision intelligent quenching machine tool for disc parts and a control method for the electrically and hydraulically driven high-precision intelligent quenching machine tool. The electrically and hydraulically driven high-precision intelligent quenching machine tool comprises an adjustable rack, a quenching workbench, a process parameter database and a control system, wherein the adjustable rack comprises a rack base and an inclined supporting frame; the quenching workbench comprises a rotary table and an intelligent clamping jaw; and the control system comprises a positioning detecting system, a clamping force control system and an operation monitoring system. The invention also discloses a control method. The electrically and hydraulically driven high-precision intelligent quenching machine tool can be suitable for quenching thermal treatment on a large scale of parts with different structural parameters, can determine key parameters such the optimal rack bracket inclination angle, quenching speed, quenching frequency and the like according to types of quenched workpieces, material properties and quenching technological requirements, and improves quenching parameter determining reasonability; and meanwhile, the operation monitoring system can be used for effectively monitoring process parameters in a quenching process, improves quenching efficiency, reliability and quality, and realizes an intelligent quenching process.

The invention relates to a bentonite feed which is prepared from the following raw materials in parts by weight: 20 to 35 parts of bentonite, 30 to 40 parts of corns, 30 to 40 parts of sweet potato powder, 25 to 30 parts of soybean meal, 5 to 10 parts of fish meal, 5 to 10 parts of rice bran, 2 to 5 parts of ground beeltles, 2 to 5 parts of folium isatidis, 2 to 5 parts of agrimonia pilosa ledeb, 2 to 5 parts of reed roots, 2 to 5 parts of folium mori, 2 to 5 parts of edible salt, 1 to 4 parts of calcium hydrogen phosphate, 1 to 4 parts of seaweed meal, 1 to 2 parts of cinnamyl aldehyde, 0.5 to 1 part of zymophyte and 0.2 to 0.5 part of citric acid. The bentonite serving as a green natural mineral substance is added into a special feed for young ducks, so that the young ducks can fully absorb trace elements under a naturally sanitary state, and the yield and the quality of the young ducks are improved.

The invention discloses a wood board disinfection drying box. The wood board disinfection drying box comprises a box body; the outer side of the box body is wrapped with a sealing shell, and a cover plate is installed at the top of the box body; a partition baffle is fixedly installed in the box body and provided with ventilation holes; a disinfection drying bin is arranged below the partition baffle, a temperature sensor is installed in the disinfection drying bin, and an electric heating wire net is arranged at the bottom of the disinfection drying bin; an observation window is formed in the front surface wall of a shell of the disinfection drying bin, and a disinfection device is installed in the disinfection drying bin and connected with an ozone source through a gas inlet pipe; a power interface is formed in the outer side of the box body, and a protection cover is installed on the outer side of the power interface; and a control panel is embedded in the surface wall of the outer side of the box body and provided with a liquid crystal display screen, an adjusting and control rotary knob and a power switch. According to the wood board disinfection drying box, the interior of the drying box can be in a strong oxidation state while medicines are dried, and the effects of killing bacteria and preventing growth and reproduction of the bacteria are achieved.

The invention discloses a saline-alkali soil micro-domain improved sowing device which comprises a frame. A furrow opener, a water injection mechanism, a soil breaking mechanism, a matrix preparationmechanism and a sowing mechanism are sequentially arranged in the frame from left to right; during sowing, the furrow opener firstly performs furrowing, the water injection mechanism injects water into furrows, and the soil breaking mechanism breaks soil blocks; and then soil and a matrix are mixed according to a certain proportion through the matrix preparation mechanism and then stirred in a stirring barrel, a first feeding mechanism conveys the matrix from the left end to fall off, the first layer of matrix is laid in the furrows, the sowing mechanism sows on the first layer of matrix, andthen a second feeding mechanism conveys the matrix to fall off to cover seeds. Sowing is completed, the automation degree is high, the labor intensity is reduced, and the sowing efficiency is improved.

The invention relates to a preparation method for a bentonite feed. The preparation method comprises the following steps: (1) heating natural bentonite in water to be dissolved, filtering to obtain a bentonite leachate, dehydrating and concentrating the bentonite leachate, then conducting ultraviolet ray disinfection to obtain a concentrated bentonite paste, and then conducting dehydration and drying to obtain clean bentonite powder for later use; (2) cleaning, drying and sterilizing corn, potato powder, soybean meal, fish meal, rice bran and ground beetle to be smashed into particles with the diameter of 1-3 mm, and weighing and mixing the particle according to weight to form particle mixture for later use; (3) cleaning indigowoad leaf, hairyvein agrimony, reed root and folium mori with clean water, decocting for 30 min in water after cleaning, adding salt, calcium hydrophosphate, seaweed meal, cinnamic aldehyde, zymophyte and citric acid, continuously decocting for 10-15 min, filtering out impurities, and taking out a filtrate for later use. Little ducks can fully absorb microelements in the natural sanitary state, and the yield and quality of the little ducks can be improved.

The invention relates to an application method of a bentonite feed. The application method mainly comprises the following steps: little ducks are fed 5-6 times a day at 1-3 weeks of age, 2-3 times a day at 4-5 weeks of age and 1-2 times a day at 5-6 weeks of age; in the feed distribution process, the little ducks need to be supplied with sufficient drinking water and sterilized periodically; other auxiliary feeds with overhigh calcium content cannot be used; peak-season disease control needs to be noticed, proper medicine dosing is needed for disease control, and when plague or flu happens, the everyday bentonite feed dosing frequency needs to be reduced properly; in the feed reducing process, if egg laying or weight is obviously changed, the dosing amount needs to be restored at first and then the cause is checked. The bentonite is used and added into the special feed directly used for the little ducks, so that the little ducks can fully absorb microelements in the natural sanitary state, and the yield and quality of the little ducks can be improved.