67results about How to "Meet the needs of the design" patented technology

The invention provides a multifunctional sofa design comprising a sofa seat and a backrest. The multifunctional sofa design is characterized in that an upper bottom surface of the sofa seat is openedwith a storage slot internally provided with a plurality of closely-arranged sofa stools; the sofa backrest is hinged and connected to the upper portion of the sofa seat and forms a box structure withthe sofa seat; the back side of the sofa backrest serves as a main table board; corresponding two sides of the main table board are respectively hinged and connected with a table extension board; board face of the table extension board rests against the main table board when the table extension board is closed. The multifunctional sofa design has the advantages of being used as a sofa as well asa tea table, effectively improving versatility of furniture, and satisfying the needs of the design of small intensive apartments.

The invention relates to a selective laser melting forming method of an aluminum-silicon gradient material. The selective laser melting forming method comprises the following steps of S1, designing the components and shape of the aluminum-silicon gradient material, and preparing raw materials with different silicon contents according to the weight percentage, wherein the raw materials comprise 22%-70% of silicon and the balance aluminum by weight; S2, smelting the raw materials to obtain aluminum-silicon alloy melts with different silicon contents; S3, preparing aluminum-silicon alloy powder with different silicon contents with the aluminum-silicon alloy melts obtained in the S2 through gas atomization separately; S4, preparing the aluminum-silicon gradient material in the design shape with the aluminum-silicon alloy powder with different silicon contents obtained in the S3 through a selective laser melting technology; and S5, performing heat treatment to the aluminum-silicon gradientmaterial obtained in the S4. The invention further relates to the aluminum-silicon gradient material prepared with the method. The method stated in the invention has the advantages of high designability, simplification of working procedures, high utilization rate of the material, high processing accuracy and the like; and the gradient material stated in the invention is high in designability, andapplicable for electronic packaging shells.

The invention discloses a permanent-magnet wind-driven generator capable of realizing self-acceleration of a magnetic field. The generator comprises a rotor (1), an air gap (2) and a stator (3) which are arrayed coaxially from outside to inside, and the air gap (2) is reserved between the rotor (1) and the stator (3). The rotor (1) comprises a plurality of rotor cores (11) and rotor permanent magnets (12), wherein the rotor cores (11) are equidistantly arrayed at intervals, and each rotor permanent magnet (12) is embedded into each two adjacent rotor cores (11). The stator (3) comprises a stator yoke (31), a plurality of stator teeth (32) and multiphase symmetrical armature windings (33), wherein the stator yoke (31) is coaxial to the rotor (1), the stator teeth (32) project over the periphery of the stator yoke (31), a stator inter-tooth space is arranged between each two adjacent stator teeth (32), and the multiphase symmetrical armature windings (33) are embedded into the stator inter-tooth spaces. The permanent-magnet wind-driven generator realizes self-acceleration of the magnetic field by means of magnetic field modulating action of the stator teeth, a stator structure is simple, the armature windings are convenient to wind, the rotor is low-speed, high-torque and high in direct-driven capability, and accordingly the permanent-magnet wind-driven generator is applicable to the low-speed and high-torque fields of wind-driven generation and the like.

The invention relates to an indicating lamp for field operations, comprising a lamp body and a signal indicating part as well as an upspringing device arranged between the lamp body and the signal indicating part, wherein the bouncing device is used for upspringing the signal indicating part under the action of external force to raise the effective height of the signal indicating part. The upspringing device is arranged between the lamp body and the signal indicating part and is used forupspringing the signal indicating part under the action of the external force to raise the effective height of the signal indicating part so that the indicating lamp has less occupied space and can also change and adjust the height as required. When the indicating lamp is used for indicating in the field operations, the height is enlarged so that the indicating lamp is not interfered by barriers and weeds, thereby enhancing the action of indication, meeting the requirements of design and saving space and materials.

The invention provides a variable-wave-length two-dimensional optical rotation device with controllable polarizability and a preparation method of the variable-wave-length two-dimensional optical rotation device, and relates to generation of continuously adjustable wave length rotation light and regulation and control of polarizability. The device is based on a III-VI group chalcogenide two-dimensional material and a ferromagnetic metal clustering heterostructure, a ferromagnetic metal layer injects a spin polarization current carrier into the III-VI group chalcogenide two-dimensional materialvia an interface coupling effect, and by control over the morphology and dimensional of ferromagnetic metal clusters in the ferromagnetic metal layer, the directions of magnetic moments in the ferromagnetic metal clusters and the magnetic coupling effect of the ferromagnetic metal clusters and the III-VI group chalcogenide two-dimensional material are adjusted; and the band gap width of the III-VI group chalcogenide two-dimensional material is adjusted further through an additional perpendicular electric field, thus, the device generates an optical rotation effect which has controllable spinpolarizability under excitation of incident light, and the wavelength of the optical rotation effect is continuously adjustable in a broad band range from ultraviolet rays to infrared rays.

The invention discloses a backlight source frame, a backlight source structure and a liquid crystal display device. The backlight source frame includes a frame body and a plurality of limit structures arranged outside the frame body. One end of the limit structures is connected to the frame body. In the peelable connection, the other end is provided with a limiting portion, and the limiting surface of the limiting portion is coplanar with the side surface of the frame body and is located above the side surface of the frame body. In the present invention, a peelable limit structure is provided on the frame body of the backlight source frame, and the limit structure is used to limit the position of the display elements that need to be formed on the frame body when assembling. It can bring convenience of operation to the staff; the peelable setting of the limit structure does not increase the width of the frame body, and can meet the needs of narrow frame design.

The invention is a waterproof and antibacterial zipper, comprising a chain belt and a fastener element arranged on the fastener belt, the fastener element is correspondingly provided with a slider, the fastener element is made of fluorosilicone resin material, and the fastener belt includes a main body and a deposition layer outside the main body. The head clamps the fastener elements on both sides; the preparation method of the zipper includes: step 1: using silicon dioxide and polydimethylsiloxane composite material to make two chain belts, and using fluorosilicone resin to make the fastener elements; step 2: processing On the surface of silica and polydimethylsiloxane composite materials, an interface chemical structure that is conducive to the deposition of nano-silver is obtained, and then metal nano-silver particles are deposited to grow on the surface of the chain belt, and the fastener elements are respectively fixed on the two sides of the chain belt. side to form a chain belt with fastener elements; step 3: the chain belt is equipped with a slider and a limit code to obtain a waterproof and antibacterial zipper. The waterproof and antibacterial zipper of the present invention has higher waterproof strength and service life, and better antibacterial performance.