54589results about How to "Reasonable structure" patented technology

The invention discloses an automatic alarm invisible connection interlocking double-key anti-theft lock. A fixed contact is arranged on a lock body or a fixed shell of the anti-theft lock, a specially-matched key hole and an invisible hole are formed in a lock cylinder, the front ends of the lock body and the lock cylinder are provided with interlocking covers, a locking needle hole is formed in a locking ejection column, an invisible connection device is arranged in the invisible hole, an invisible spring is installed in an invisible bearing hole in the back end of the invisible connection device, an interlocking hole in the lock body is provided with an interlocking spring, a centre, a locking needle and an abutting-against needle, a rotary contact is arranged on a rotary connection device, the rotary connection device is located behind the invisible connection device, an electronic telecontrol device, the rotary contact and the fixed contact are connected into a circuit of an electromagnet, and the electromagnet is connected with a locking transverse piece. The invisible connection device and a specially-matched key are disconnected, the invisible connection device and the rotary connection device are disconnected, the lock cylinder and the rotary connection device are disconnected, the electronic telecontrol device is invisibly installed in the circuit of the electromagnet, the ejection column can be transversely locked through the centre and the locking needle, an interlocking key and a specially-matched key are separated, and alarming, hiding, interlocking and multiple theft prevention of the anti-theft lock are achieved.

The invention discloses a simple assembly structure air fryer. The air fryer includes an upper shell body, a lower shell body connected to the upper shell body in a spigot mode and a handle installed on the side of the upper shell body; the upper shell body and the lower shell body are connected in a matching manner to form an inner chamber comprising an upper chamber installed inside the upper shell body, a lower chamber installed inside the lower shell body and a cooking chamber, wherein the upper chamber accounts for two-thirds of the height of the inner chamber and the lower chamber accounts for one-third of the height of the inner chamber. Compared with the prior art, the air fryer overcomes the defects and has a smart design and a rational structure; the structure is improved and renewed to simplify the assembly plan and to save assembling processes; the after-sale maintenance is facilitated; the cost is especially saved and the product competitiveness is strengthened; a cold air blast flow channel is shortened for heat dissipation, the surface heat dissipation is expedited, and the service life of the fryer is prolonged.

The present invention discloses a vehicle-mounted embedded system. It includes vehicle-mounted embedded platform, vehicle-mounted display, vehicle-mounted wireless communication unit, GPS receiver apparatus, vehicle-mounted type digital image information collection unit and electronic map data base which are connected by means of bus. In the interior of the described vehicle-mounted embedded platform a central control unit, a safety monitoring control unit, a car automatic navigation control unit, car failure diagnosis control unit and family car interaction control unit.

A light emission apparatus that can restrict deterioration of resin used for the light emission apparatus, and that has a reasonable structure fit for actual use is provided, in which a light reflective layer is provided to cover the side surfaces of the chips 26 provided in the concave 2a. According to this, excitation light reflected by the phosphor layer 32, such as ultraviolet light, is reflected again by the light reflective layer 27. Therefore, the excitation light will not reach the resin layer 21, thereby restraining the deterioration of the resin. Moreover, the light reflective layer 27 covers the side surfaces of the chips 26, thereby efficiently conducting the heat emitted from the chips 26 to the metal substrate 20 via the resin layer 21. This improves the heat-dissipation efficiency of the chips 26.

The invention discloses an intelligent centrifugal pump cavitation fault detector, which is characterized by comprising a signal acquisition system, a signal processing system, a detection system and a display control system, wherein the signal acquisition system is a pressure transmitter arranged at the inlet of a centrifugal pump; the signal processing system comprises a singlechip, a latch, a program memory, decoder, an analog-to-digital converter, a D trigger, a NOT gate and an NOR gate; the detection system is used for analyzing wavelet multi-dimensional statistical characteristic quantity, performing characteristic extraction on signals, classifying and identifying the extracted characteristic parameters by using a support vector machine to differentiate different cavitation states of the centrifugal pump at a normal running state, a primary cavitation stage, a light cavitation stage and a serious cavitation stage and transmitting the final detection result to the display control system; and the display control system comprises a liquid crystal display module, a loudspeaker (LS) and waved switches S3-S6. The detector has the advantages of reasonable structure, reliable performance, quick and accurate detection, low expense, capability of fully meeting the cavitation fault diagnosis requirement of the centrifugal pump and the like.

The invention belongs to plant nutritious soil and a preparation method thereof and particularly relates to flower nutritious soil and a preparation method thereof. The flower nutritious soil contains the components of biomass water-retaining agent, turf, sapropel, black soil, corn straw, perlite, meerschaum, deer feces, fine sand, inorganic fertilizer, and the like and is processed by the steps of raw material selection, crushing, screening, disinfection, mixing, pH regulation and the like. By adopting the method of mixing organic materials and inorganic materials, the flow nutritious soil has the advantages of reasonable and loosened structure, complete nutrients, stable property, easily obtained raw materials, easy processing and low cost. In addition, the biomass water-retaining agent contained in the flow nutritious soil is a novel, multifunctional and natural macromoleclar polymer and has a three-dimensional space reticular structure, not only can absorb water and fertilizer, but also can retain water and fertilizer, and. the water absorbing capacity of the flower nutritious soil is more than 1000 times the weight thereof, a small reservoir of water and fertilizer is formed in the soil, and the water and the fertilizer are slowly released, thereby the flow nutritious soil has the functions of saving both water and fertilizer. The invention can be used for growing seedlings and planning seedlings.

The invention discloses an optimum dual-inlet and dual-outlet steel ball coal grinding machine direct-blow type powder-preparation control method. The method obtains the material position of the coal grinding machine after carrying out soft-measurement processing by collecting the noise material position of the coal grinding machine, the material position of pressure difference, the current of the coal grinding machine, one-time air quantity, one-time opening of the hot wind door and the cold wind door of an inlet, inlet temperature and outlet temperature; the control comprises material position control, air quantity capacity control, bypass air quantity control and the temperature control of the inlet and the outlet; the material position is optimized and the best material position of the coal grinding machine is searched online so as to ensure the combustion safety of the boiler and coal powder supply quantity when the load of the boiler is adjusted. The boiler combustion is optimized: according to the boiler technology, the load and the running working conditions, the powder supply quantity and the ventilation quantity of each coal grinding machine are optimized and the combustion efficiency of the boiler is improved. Malfunction diagnosis, running evaluation and analysis are carried out to the system and reasonable suggestions are provided so as to ensure the system to run continuously, stably, safely and economically; the optimum dual-inlet and dual-outlet steel ball coal grinding machine direct-blow type powder-preparation control method is widely applied to the dual-inlet and dual-outlet steel ball coal grinding machine direct-blow type powder-preparation system or industrial similar systems in other industries.

The invention belongs to the field of underwater robots, and specifically relates to an underwater robot recovery system and a recovery method thereof. The system includes a mother ship, an underwater robot, an automatic line throwing device and a lifting seat arranged on the underwater robot, a butting lifting device and a draw gear. After the underwater robot completes the mission, a haulage rope is thrown out from the ship bow. The staff on the mother ship picks up the haulage rope through a rope picking device, and then the rope is traversed through the draw gear. The underwater robot is driven by the mother ship for navigation to overcome the effects of waves in the sea. A guidance rope is thrown by a remote control command. The butting lifting device is driven by a hoist installed on the mother ship, and falls down along the guidance rope to abut with the underwater robot and clamp. The whole recycling process is realized. The underwater robot recovery system of the present invention has the characteristics of compact structure, convenient operation, safety and reliability, small influence by the sea state, no transform to the hoist, and small requirement to the mother ship, and can achieve the laying and recovering by the same system for the underwater robot under four grade sea conditions.

The invention relates to an ectopic leaching restoring device and a restoring method for chromic slag polluted soil. The device is provided with an integrated soil leaching and dewatering system and mainly comprises a feeding system, a soil leaching-dewatering system, a waste gas treating system, an elution collecting treating system and an automatics control system. The chromic slag polluted soil firstly enters a reaction tank leaching section through the feeding system; a chrome-containing component in the soil is transferred into a liquid phase of a leaching agent; the liquid phase is rotated following a spiral stirring thruster; a muddy water mixture is conveyed into a reaction tank dewatering section; the filtrate is discharged through a tank wall with a water-permeable filtering function; the remained soil is conveyed to a mud discharging device following the rotating of the spiral stirring thruster; and lastly, the soil after being leached and dewatered is discharged. The device provided by the invention has the advantages that a power source is utilized to realize the soil leaching and muddy water separating, the energy consumption is low, the structure is simple, the use is convenient, the treating efficiency is high, and the purified degree of the polluted soil after being treated by using the device is above 85%.

The invention discloses a docking mechanism, comprising a docking machine frame, wherein a docking position, a switching position, a powder soaking position and a transition position are arranged on the docking machine frame; the docking bracket is fixedly mounted in the docking position, a docking component is arranged on the docking bracket, and the docking component comprises an upper sliding fixture seat and a lower fixed fixture seat; a switching bracket is arranged in the switching position, the switching bracket is driven by a switching bracket driving device to rotate around a horizontal shaft, and an upper fixture fixing part and a lower fixture fixing part are arranged on the switching bracket; a powder soaking component is arranged in the powder soaking position; a first fixture placement rack is arranged in the transition position; and the docking mechanism also comprises a first front-and-back transfer mechanism and a second front-and-back transfer mechanism. The invention also discloses an automatic crystal blank polishing and burnishing system adopting the docking mechanism. According to the technical scheme, the docking precision and the bonding firmness of crystal blanks are guaranteed, the docking working position is reasonable in structure, and the docking efficiency and the processing efficiency of the whole automatic polishing and burnishing system are improved.

The present invention relates to a building block of ecological slope protection vegetation, a fabrication method and a construction technique. The building block is composed of a growing bed body, a lath crib, planting troughs, a vegetation layer and a plant, the lath crib wraps the circumference of the growing bed body, the upper plane of the growing bed body is lower than the upper plane of the lath crib and concave, the vegetation layer is formed on the growing bed body, which matches the inner walls of the sectional area of the lath crib to form an integral building block, and more than one planting troughs are arranged on and run through the growing bed body. The design of the present invention is scientific, the structure is reasonable, the restoration of water ecology can reduce the operating cost, environment is improved, ecology is reinstated, harmonious natural beauty is enhanced, and the present invention is suitable for the nidification of small living creatures and the habitation and the survival of aquatic fishes, so that the cutting-off continuity of water and land regions is restored. The present invention is widely applied to channel slope protection, levee slopes, roadsides, airports, parks, public lands, household lawns, sports grounds, etc. The present invention is suitable for cold regions, damp regions, warm and damp intermediate zone, etc.

The invention provides a power-dissipation-free and energy-saving type start protector of a single phase AC motor and belongs to the technical field of refrigeration compressors. The power-dissipation-free and energy-saving type start protector comprises a shell, a shell cover, an overload protector, a power-dissipation-free starter and an external terminal mechanism. The shell is provided with an overload protector seat, a power-dissipation-free starter accommodation cavity, an external terminal mechanism cavity and a start controller accommodation cavity. The shell cover is provided with a first three-terminal jack and a second three-terminal jack. The overload protector is arranged in an overload protector accommodation cavity. The power-dissipation-free starter comprises a power-dissipation-free starter body and a start controller. The external terminal mechanism is matched with the external terminal mechanism cavity. The start protector is characterized in that the external terminal mechanism cavity comprises a first insertion cavity, a second insertion cavity and a third insertion cavity, the second insertion cavity is formed in the left side of the shell, and the bottom wall of the second insertion cavity is provided with a second shell insertion groove; the first insertion cavity and the third insertion cavity are formed in the right side of the shell, a first shell insertion groove is formed in the bottom wall of the first insertion cavity, and a third shell insertion groove is formed in the bottom wall of the third insertion cavity; the external terminal mechanism comprises a first insertion piece and a second insertion piece, the first insertion piece is matched with the second shell insertion groove in an inserted mode, and the second insertion piece is matched with the first shell insertion groove in an inserted mode.

The invention discloses a ceramic insulator device for high voltage capacitor comprising a ceramic insulator body, wiring assembly and mounting assembly; the insulator body is provided with an annular positioning boss at outer wall of bottom part; the mounting assembly comprises metal mounting base, upper seal ring, lower seal ring and two semi-circle metal baffle ring; the metal mounting base is basically tubular provided with a inward protruding baffle ring at lower part; the metal mounting base is sleeved onto outer wall of lower part of insulator body; the baffle ring is positioned at lower part of annular positioning boss; a lower seal ring is sleeved onto outer wall of insulator body and positioned between lower surface of annular positioning boss and baffle ring; upper seal ring is sleeved onto outer wall of lower part of the insulator body and positioned at upper surface of annular positioning boss; two metal baffle rings are provided at upper surface of upper seal ring and weldingly fixed with metal mounting base. The invention has merits of low cost, convenient processing and production.

The invention discloses a Direct3D 11-based 3D graphics rendering engine, which comprises a master control module and a plurality of functional sub modules, wherein the functional sub modules comprise a matrix module, a view point module, a head-up display module, a multi-character set word module, a 3D primitive base class module, a poster board module, a mesh model module, a smoke and rain and snow particle system module, a halo special effect calculation module, and a soft shadow calculation module. According to the default rendering process for each frame, the soft shadow module is firstly called, and with the illumination direction as the view point, the depth information of each primitive in the rendering scene is calculated; then, with the sight line of eyes of an observer as the angle, each primitive in the scene is rendered to the surface, an original scene view is obtained, highlight information is obtained at the same time, and the actual lighting effects of each pixel point is obtained according to the depth information and the illumination calculation result; and finally, in combination with the first sum depth information and the highlight information, highlight aura special effect post-processing on the illumination is carried out on the original scene view, and the final single-frame rendering graph is obtained.

A surgical purse-string suture device is composed of the shell with suture head and handle. The drive plate and pin cabin are in said suture head. The pin driving plate and pin shaping and guiding slot are in said pin cabin. The string bearing hole and the string fixer, through which the purse-string passes, are arranged at the lateral surface of suture head for putting the string between two pin feet. Its advantages are simple structure and short suture time.

The invention discloses a lithium nickel cobalt manganese positive electrode material. The lithium nickel cobalt manganese positive electrode material comprises a lithium nickel cobalt manganese oxide contained core pure phase layer having a thickness of 5-8mum, a surface coat containing oxides, phosphates or fluorides of coating elements comprising Li, Al, Mg, Ti and Zr and having a thickness of 50-100nm, and a superficial doped transition layer positioned between the core pure phase layer and the surface coat, containing doping elements comprising Al, Mg, Ti and Zr or one of rare earth elements and having a thickness of 1-2mum. The lithium nickel cobalt manganese positive electrode material can inhibit the material dissolving in a cycle process without reducing a specific capacity, and has the characteristics of high capability excellent cycle and rate performances, and excellent thermal stability.

The invention belongs to the technical field of bio-organic fertilizer production, and provides slowly-releasing water conservation biological organic and inorganic compound fertilizer particles and a production method thereof. The fertilizer has the advantages of reasonable structure, unique processing technique, scientific formulation, high fertilizer effect, improved soil physical condition, convenience application, and wide application scope; high-grade bio-organic fertilizer meeting the requirements of organic agricultural vegetable, fruits or food production, or fertilizer having special functions of drought resisting, saline and alkaline resisting and continuous cropping resisting and capable of specially meeting fertilizer requirement rules of various crops can be further designed and developed. The fertilizer effect playing way in the invention is unique, and component parts such as probiotics, inorganic nutrients, regulatory factors, organic matter and the like can be respectively played in time and space. Through the design to fertilizer particle structure and formula, the advantages of organic matter, high concentration of inorganic fertilizer, slowly-releasing efficiency and the special effects of beneficial microorganisms are integrated and slowly-releasing water conservation biological organic and inorganic compound fertilizer particles can be the first choice in replacing organic and inorganic compound fertilizers, compound fertilizers and inorganic slow release fertilizers.

Disclosed is a pressure cooker having a built-in cover. A lower handle is installed on the pressure cooker body. An upper handle, an exhaust nozzle and a safety valve are installed on the cover. The exhaust nozzle is equipped with a valve cap matched with the exhaust nozzle. An upper port of the pressure cooker body is provided with a flange bending inward; and a pressure cooker mouth in an elliptical shape is formed by the flange. The cover is in an elliptical shape; and the edge of the cover is provided with a check ring that is matched with the flange. The external lateral side of the check ring is provided with a sealing gasket. A protruded bearing platform is arranged in the position of the lower handle close to the pressure cooker body; and the other end of the upper handle extending outside the cover is provided with a hanging ring. After putting the cover into the pressure cooker mouth, a long axis of the cover is aligned with a long axis of the pressure cooker mouth, thereby allowing the sealing gasket on the check ring to press against the inner side of the flange, and allowing the upper handle to press against the bearing platform; and then, the upper handle is pressed downward, and the hanging ring is hung on the lower handle, thereby sealing the pressure cooker mouth by the cover. When the cover needs to be opened, the upper handle is pressed upward, and the hanging ring is released from the handle, thereby the cover can be taken out.

The invention discloses an automatic insulator scrubbing device. The automatic insulator scrubbing device comprises a left cover and a right cover, wherein the left cover and the right cover are in fixed butt joint on the periphery of an insulator through connecting mechanisms, clamping parts in clamping fit with the two end portions of the insulator are arranged at the two ends of the left cover and the two ends of the right cover, a semi-ring rail is arranged on the left cover or the right cover through a lifting mechanism, a main semi-ring and an auxiliary semi-ring are arranged on the semi-ring rail in a sliding mode and are capable of rotating around the axial line of the semi-ring rail, the main semi-ring and the auxiliary semi-ring are fixedly connected to form a circular ring through butt-joint mechanisms, hairbrushes corresponding to the outer wall of the insulator are arranged on the inner ring wall of the main semi-ring and the inner ring wall of the auxiliary semi-ring, a scrubbing motor is arranged on the lifting mechanism, a driving gear is arranged on an output shaft of the scrubbing motor, and gear teeth meshed with the gear are evenly distributed on the outer ring wall of the main semi-ring and the outer ring wall of the auxiliary semi-ring. Through the adoption of the structure, the automatic insulator scrubbing device is reasonable in structure, capable of assisting in cleaning the insulator, free of cleaning dead angles, good in cleaning effect, capable of saving time and labor in operation, low in cost and beneficial to improving scrubbing efficiency.

The invention relates to a multi-point forming device for a plate. The device comprises a die carrier, a plurality of upper pressure head pressurizing units and a plurality of lower pressure head supporting units, wherein the plurality of upper pressure head pressurizing units are arranged on an upper flat plate of the die carrier; the plurality of lower pressure head supporting units are arranged on a lower flat plate of the die carrier; each upper pressure head pressurizing unit consists of an upper pressure head, a spring and a travel adjusting component; an upper pressure head is arrangedin a positioning hole on the upper flat plate of the die carrier, and can move up and down along the axis of the hole; the spring is arranged between the upper pressure head and the upper flat plate of the die carrier; each lower pressure head supporting unit consists of a lower pressure head, a plunger and a hydraulic cylinder; the hydraulic cylinder is fixed on the lower flat plate of the die carrier; and the plunger is connected with the lower pressure head. A forming curved surface can be formed optionally and is easy and convenient to adjust. Any element is not required to be adjusted inreal time in a forming process, and stable and uniform normal pressure always acts on the plate, so that effective normal constraint is formed and the plate can be effectively prevented from wrinkling. The device has a reasonable structure, is easy to operate, works reliably, and is an ideal multi-point forming device for the plate.

The present invention relates to a roof-greenting material with light matrix, said material is different from existent roof-greening material which mainly uses natural plant sedium lineare. Said invention mainly uses the waste and discarded material to form its roof-greening material matrix formula.

The invention discloses an environmental protection restoration device for municipal landscaping soil, which comprises a processing box, the processing box is a cylindrical body, a feeding pipe is arranged at the upper left end of the processing box, a feeding hopper is arranged at the upper end of the feeding pipe, and a feeding hopper is arranged at the upper end of the feeding pipe. There is a crushing roller in the bucket, a crushing motor is fixed in the middle of the upper end of the processing box, a crushing shaft is set at the output end of the crushing motor, movable crushing knives are arranged symmetrically on both sides of the crushing shaft, and several fixed crushing knives are arranged in an array inside the processing box. The knives, the fixed pulverizing knives and the movable pulverizing knives are distributed at cross intervals. The structure of the invention is simple and reasonable, the shock absorption effect is good, and it is easy to carry. The size of the soil particles when mixed with the remediation fluid helps to ensure the remediation effect of the soil, and the unqualified soil will enter the collection box, and then be sent back by the lifting cylinder, so as to realize the circular crushing of the soil, which has strong practicability.

The invention provides a pitted-surface metal and rubber composite conductive particle, which is formed by adhering a metal surface layer to a rubber basic body or slitting after adhesion, wherein the metal surface layer is a pitted surface and has pits or bumps or both the pits and the bumps; the pits or the bumps are formed on an external surface of the metal surface layer or an internal surface or both the external surface and the internal surface; the depths of the pits are smaller than the thickness of the metal surface layer; the heights of the bumps are greater than or equal to one tenth of the thickness of the metal surface layer; the metal surface layer is made of metal or alloy; gold, silver, copper or nickel can be coated on the external surface of the metal surface layer; the rubber basic body is made of silicon rubber or polyurethane rubber; an adhesion layer can be arranged between the metal surface layer and the rubber basic body; the adhesion layer is made of a heat vulcanization adhesive, a prime coating agent or a material which is the same as that of the rubber basic body; and aids such as a coupling agent can be coated on the internal surface of the metal surface layer. The metal surface layer is high in strength, stable in conductivity, high in strength of the adhesion layer and high in elasticity of the rubber basic body; and the pitted-surface metal and rubber composite conductive particles can serve as conductive parts of various kinds of keys of a mobile phone, an automobile and the like, and the cost can be controlled.

The invention discloses a grinding and sieving integrated traditional Chinese medicine processing device. The device comprises a processing box, wherein a base is arranged below the processing box; rollers through which the device can be conveniently carried are symmetrically arranged at the left side and the right side of the base; supporting legs are symmetrically arranged at two sides of the lower end of the processing box; supporting sleeves sleeve the lower ends of the supporting legs in a sliding manner, and the lower ends of the supporting sleeves are connected and fixed to the base; buffering springs for connecting and fixing the supporting sleeves and the supporting legs are arranged in the supporting sleeves, and the abovementioned buffering mechanism is capable of effectively improving the damping performance of the device; a feeding port is formed in the middle of the upper end of the processing box; and a crushing mechanism comprising a crushing roller is arranged below the feeding port. The device is simple and reasonable in structure, convenient to carry, and high in damping performance; the crushing mechanism shakes leftwards and rightwards to improve the material crushing effect; the grinding effect is adjustable, and thus particular materials with different particle size can be conveniently processed; the processed materials can be sieved, so that the processing quality is ensured; and the practicability is high.

The invention discloses an aircraft-mounted multi-navigation-source comprehensive navigation simulation system. In the system, each navigation simulation sub system really simulates functions, performances and interfaces which are same as those of a model according to a self-navigation principle. A scheduling system responds a display control command, a load command and load data information sent by a mission system, and drives the navigation simulation sub systems to perform simulation calculation with combination of environment simulation data. A combined navigation system, with an INS simulation sub system as a main navigation source, performs integrated navigation based on and fault detection federated Kalman filter with GNSS, TACAN and IFDL as auxiliary navigation sources. Information fusion is achieved through a generalized federated Kalman filter in a two-stage structure constructed through a federated filter algorithm, wherein a main filter performs total information fusion and performs information distribution and information reset to each sub filter. Optimal estimation is carried out to a result of each sub filter through a dynamic information distribution coefficient. Meanwhile, the INS simulation sub system is subjected to closed-loop negative feedback correction through an estimated error by the system.

A light emission apparatus that can restrict deterioration of resin used for the light emission apparatus, and that has a reasonable structure fit for actual use is provided, in which a light reflective layer is provided to cover the side surfaces of the chips 26 provided in the concave 2a. According to this, excitation light reflected by the phosphor layer 32, such as ultraviolet light, is reflected again by the light reflective layer 27. Therefore, the excitation light will not reach the resin layer 21, thereby restraining the deterioration of the resin. Moreover, the light reflective layer 27 covers the side surfaces of the chips 26, thereby efficiently conducting the heat emitted from the chips 26 to the metal substrate 20 via the resin layer 21. This improves the heat-dissipation efficiency of the chips 26.

The present invention discloses a form pruning method of fruit tree. Said method includes the following steps: (1), in first year, selecting and setting first layer of 46-6 main branches which are not overlapped for central trunk, making included angle between main branch and central trunk be greater than 90 deg.; (2), in second year, defining 3-5 layers of main branches over first layer of main branches, every layer has 1-3 mutually non-overlapped main branches, the upper layer of main branches and the lower layer of main branches are not overlapped mutually, making all the included angles between main branches and central trunk be greatly than 90 deg.; and (3), in third year-fifth year, pruning to make the tree height be controlled within 3 meters, setting 4-6 layers of 7-21 main branches, making every included angle between every main branch and central trunk be greater than 90 deg.

The invention discloses an automatic down filling machine, and belongs to the technical filed of a stowage unit for down and feather filled products. The automatic down filling machine comprises a box body, a first down stirring mechanism, a second down stirring mechanism, an electrical automatic control mechanism, a pair of weighing metering mechanisms, a pair of down output mechanisms, a pair of down filling heads and a box cavity channel start-and-stop mechanism. The box body comprises a box frame, a down storage box and a down delivering box. The first down stirring mechanism is used for stirring down in a down storage box cavity, and the second down stirring mechanism is used for stirring down in a down delivering box cavity. The pair of weighing metering mechanisms is connected with a pair of down leading out connector pipelines on two sides of the down delivering box, the pair of down output mechanisms is connected with the pair of weighing metering mechanisms, the pair of down filling heads is connected with the pair of down output mechanisms in a matched mode, and the box cavity channel start-and-stop mechanism is placed on the box frame. The electrical automatic control mechanism is provided with an electrical box body, a control panel, a programmable controller, a group of magnetic valves and a high-pressure air storage tank. The automatic down filling machine has the advantages of showing rhythmic continuity of down supplying, being capable of providing guarantee for subsequent continuously weighing and down filling, showing good down filling efficiency, reducing operation intensity of workers, eradicating down wasting and showing good automatic control effect.

The invention relates to the micro-energy field, in particular to a vibratory drive composite micro-power source based on the piezoelectric effect and the electromagnetic induction. The micro-power source adapts the requirement of the micro electro mechanical system development for the micro-energy and comprises a substrate, a peripheral base, cantilevers and a mass block, wherein the substrate is fixed with the lower surface of the peripheral base by bonding; a vertical through hole is arranged in the middle of the mass block; an induction coil is processed on the upper surface and / or the lower surface of the mass block; a micro permanent columnar magnet is fixed on the upper surface of the substrate; PZT piezoelectric thin films are arranged on the cantilevers; a plurality of external lead bonding pads are arranged on the peripheral base; and the two ends of the induction coils and the two polarized surfaces of the PZT piezoelectric thin films are respectively connected with the corresponding external lead bonding pads by leads. The power source has reasonable and concise structure, is liable to miniaturization and integration, and can provide power to the micro electro mechanical systems at high output energy density and high output efficiency, realize self power supply of the micro electro mechanical systems and meet the requirement of the micro electro mechanical system development for the micro-energy.