33 results about "Concentric sphere" patented technology

The invention discloses three-layer water-containing capsules and a preparation method thereof. The capsules consist of an inner layer, a middle layer and an outer layer, wherein the inner layer is a water-containing core liquid layer, the middle layer is a phase-changeable fat layer and the outer layer is a natural animal and plant glue layer. The preparation method comprises the following steps of through three-channel concentric circle drippers, simultaneously dipping out water-containing core liquid layer components, phase-changeable fat layer components and natural animal and plant glue layer components, which are blended, wherein the water-containing core liquid layer components are added to the inside channel, the natural animal and plant layer components are added to the outside channel, the phase-changeable fat layer components are added to the middle channel, and under the action of liquid cohesion of three sets of feed liquid, three concentric spheres which are in layer-in-layer nesting in cooling fluid fall down, and gradually cool and solidify, so that intact inclusion three-layer capsules are formed. The middle fat layer is introduced, so that water-containing core liquid can be effectively sealed, and besides, functional oil-soluble additives can be added to the middle fat layer as needed. Besides, the three-layer water-containing capsules have functions of oil capsules and water capsules.

The invention relates to a multi-layer concentric sphere processing device, which is characterized in that: a clamp component with an opening is respectively arranged on the left and the right sides of the spherical workpiece; a handle is arranged on one side face of the clamp component; a pair of rollers is respectively matched on the upper and the lower briquetting components matched on the upper and the lower outer circles of the clamp component; the two pairs of rollers are respectively arranged in the groove guide on the outer circle of the clamp component; the upper and the lower briquetting components are fixed on the clamping device through the upper and the lower faces; the clamping device comprises a soleplate, a vertical pole, a base, a shaft, a cantilever and a clamping bolt; a positioning device is arranged on the base; a screw rod and a hand wheel are arranged on a transmission box component on the right side of the base; a motor base is arranged in the vertical guide groove of the transmission box; a crew hole is arranged on the screw rod at the lower part of the motor base; a tool clamp is arranged on the motor shaft. The device has the advantages of simple structure, convenient operation, low manufacturing cost and high performance price ratio, and can successfully solve the manufacturing technical problems bothering people for years.

The invention provides a large-visual-field high-resolution photoelectronic imaging system. The system is characterized by comprising a concentric sphere lens and a receiver array. Compared with a traditional imaging system, the system has the advantages of being large in single-shot imaging field and high in resolution ratio. In fact, for the single-shot imaging information amount, the system is capable of achieving the imaging capacity reaching hundreds of G pixels.

A bridge structure includes three concentric spheres composed by chords. The upper and lower spheres are jointed by web members to form a double layer net shell. Over the upper sphere, install the top sphere via web members. Steel bars are connected to the node of each hexagon of the upper sphere, and bottom mold is installed to the bottom of the upper sphere.

The invention relates to a novel multispectral imaging optical system based on a concentric sphere focusing element, and belongs to the technical field of multispectral imaging, aiming at solving the problem existing in a current multispectral imaging device so as to satisfy the using requirement for real-time, quick and accurate imaging for the current multispectral imaging device. The novel multispectral imaging optical system based on a concentric sphere focusing element is characterized in that: incident rays can be imaged to a slit through convergence of rays by passing through a front object lens, and then are incident to a collimating lens; the rays are incident to a light splitting grating through collimating of the collimating lens; and the light splitting grating divides the rays into rays of different spectrum bands; the rays of different spectrum bands converts spectrum samples into spatial samples of different incidence angles through the concentric sphere focusing element, and then the rays are focused and imaged on a CMOS detector through a relay imaging lens, and then the spectrum information is obtained. The relay system of the novel multispectral imaging optical system based on a concentric sphere focusing element provides a virtual diaphragm for the concentric sphere focusing element, improves the diaphragm freedom degree of the concentric sphere focusing element, enables the incident rays of different angles to have the same paraxial characteristic, has a common-optical-path multi-optical-axis characteristic, and can realize multispectral staring imaging.

The invention discloses a method for solving the cracking problem during sintering of ceramic concentric spheres. The method is characterized in that: in order to keep synchronous contraction of a separating layer of the ceramic concentric spheres and a ceramic layer during the process of high-temperature sintering, powdered organic matters such as sawdust and the like which can be burned off and volatilize at high temperature are introduced into the high-temperature resistant material of the separating layer in proportion such that the introduced part of the powdered organic matters are burned off and volatilize during the high-temperature sintering process of the ceramic concentric spheres so as to lead to volume contraction of the separating layer at high temperature, and the contraction rate of the separating layer is basically consistent with that of the ceramic layer contracted during sintering process so as to avoid cracking of the ceramic concentric spheres because the ceramic layer contracts instead of the separating layer during the high-temperature sintering process.

The invention relates to an unpowered method for achieving dewar universal stability and a corresponding device. The unpowered method is characterized in that 1 state changing is impeded by aid of torque formed by offset of gravity centers of a dewar and a carrier of the dewar on the basis of the idea of stabilizing after vibration attenuation, fluid is guided in to control the return torque to be dynamically increased, and system stability is adjusted by combining graded damping coefficients; and 2 a similar concentric sphere structures are adopted, the dewar is fixed in an interior sphere, all the spheres are connected with a non-sealed spherical cabin through asymmetrically distributed rolling pulleys, rotating of the interior sphere is controlled by gravity and transformation power of gravity, and therefore dewar universal stability in the moving state is achieved in an unpowered mode. The unpowered method can effectively improve the response speed of a stabilization device and weakens and even eliminates vibration generated in the stabilization process. The unpowered method and the corresponding device are simple to achieve and low in cost.

The invention provides an ultra-large ground three-dimensional laser scanning original point cloud space regularization method which comprises the steps of 1), using a scanning station as a sphere core, dividing ultra-large ground three-dimensional laser scanning original point cloud into a plurality of stratifications of concentric spheres according to density; and 2), establishing a data management system for the point cloud after sphere stratification dividing, and performing high-density area point cloud diluting. The method can greatly improve speed in ultra-large ground three-dimensionallaser scanning (TLS) original point cloud space regularization.

A water pumping and injecting multi-layered concentric sphere neutron spectrometer includes a neutron detector, a plurality of shells concentrically provided, and a water pumping and injecting device; wherein an innermost shell surrounds a surface of the neutron detector; gaps are formed between adjacent shells for containing liquid; the shells are made of an aluminum material; a valve is arranged on each of the shells except the innermost shell; the water pumping and injecting device is connected to the valve of each of the shells except the innermost shell, so as to input water into the gaps or output the water from the gaps. Compared with conventional neutron spectrometer, weight of the water pumping and injecting multi-layered concentric sphere device and the neutron spectrum detection system of the present invention is greatly reduced, which is conducive to transportation and utilization. Meanwhile, combination of neutron spectrum data measurement and measurement data are increased.

The invention discloses an anchor node layout method based on detection signal wavelength information. The anchor node layout method is characterized by comprising the following steps of arranging a signal transmitter/receiver in a space to be detected, calculating the wavelength of a transmitting signal with a coiling phase transmitted by the transmitter/receiver, establishing a group of ascending series containing a positive rational number of times of the wavelength, taking the signal transmitter/receiver as the center of a circle, establishing concentric spheres from the near to the distant by taking the series as semi-diameters respectively, forming a group of concentric circular arcs after the intersection of the positioning horizontal plane of the space to be detected and the concentric spheres, and arranging an arbitrary number of anchor nodes on each circular arc. The layout method can reduce the mutual influence among the anchor nodes under the precondition of guaranteeing the positioning precision, the negative impact of too high density of original anchor node layout on the positioning precision is overcome, the positioning precision of nodes at the position of detected edge can also be improved, and better ranging precision can be obtained in synergy ranging based on phase information by utilizing the layout.

The invention discloses a nerve block anesthesia needle positioning apparatus. The nerve block anesthesia needle positioning apparatus comprises a base; a horizontal movement device is arranged on the top surface of the base; a vertical movement device is arranged on the top surface of the horizontal movement device; a horizontal connection rod is fixedly connected with one side of the vertical movement device; an installation plate is fixedly mounted on one side of the connection rod; a spherical through groove is formed on the front of the installation plate; a concentric sphere is arranged inside the spherical through groove; and the sphere is only capable of rotating along the center of the sphere in the spherical through groove. Being arranged with the sphere, the nerve block anesthesia needle positioning apparatus is capable of driving an anesthesia needle to rotate along with rotation of the sphere in the spherical through groove, thereby having position of the tip of the anesthesia needle adjusted; and thus, convenient adjustment is allowed so as to improve flexibility of the tip of the anesthesia needle. Moreover, the nerve block anesthesia needle positioning apparatus is capable of keeping the tip of the anesthesia needle at a relatively good position so as to facilitate injection of an anesthetic. In addition, the tip of the anesthesia needle is driven to be inserted into peripheral nerve trunk of a patient along with rotation of a first bolt, so that, deviation of the tip of the anesthesia needle upon insertion is avoided so as to make the insertion point more accurate.

The present invention discloses a multipurpose planetarium capable of imaging. The multipurpose planetarium comprises a planetarium main body and an auxiliary support device. The planetarium main body comprises a celestial globe, a moon suspension layer, a tellurion, a celestial globe latitude scale semicircle frame, a meridian and a horizon. The celestial globe, the moon suspension layer and the tellurion are concentric spheres with radiuses which gradually become smaller, the three spheres are fixed through a support middle centre shaft, and the celestial globe, the moon suspension layer and the tellurion are picked up with a solar model, a plastic moon model and a mini-type camera device fixing clamp. The multipurpose planetarium capable of imaging can simulate celestial bodies motion such as day and night alternation and the sun , moon and stars, especially true motion and apparent motion demonstration of a celestial body so as to perform shadow changing and solar altitude changing demonstration, perform time difference demonstration, moon phase changing demonstration and solar eclipse and lunar eclipse reason demonstration.

Devices and methods for identifying and maintaining the concentric spherical centers of a femur and acetabulum during revision or joint replacement surgery so that post surgery the anatomical spherical centers are maintained. Also disclosed are novel techniques and devices to project images onto an anatomical feature, such as exposed bone, to virtually fit trial prosthetic components, establish bone cut markings, and establishing the anatomical spherical center of a joint.

The engine includes one cylinder body of spherical inner surface and with gas inlet hole, gas exhaust hole and ignition hole; one small concentric sphere inside the cylinder body; right and left rotating shafts mounted on the cylinder body; several right and left piston sheets connected via the first connecting structure onto the right and left rotating shafts and connected mutually via the second connecting structure. The right and left piston sheets rotate around the sphere center to rotate the right and left rotating shafts while rotating around the central line of the second connecting structure. Each pair of adjacent right and left piston sheets, the cylinder body, the small sphere and the right and left rotating shafts constitute one sealed work space.

The invention discloses a concentric sphere, especially to a ceramic concentric sphere manufacturing method and is characterized in that a traditional processing mode of engraving inward layer by layer is changed into a processing mode of engraving outwardly layer by layer. By the utilization of plasticity and engravability of a ceramic material green base substrate, a sphere and spherical surface-shaped housing of each layer are prepared; a hollow pattern designed is engraved; a spacer material is used to fill and support between layers; a material, the melting point of which is higher than porcelain-making temperature of the ceramic material, is used as a separating layer such that the layers will not be adhered to each other during high-temperature sintering of the ceramic concentric sphere in a kiln; and the spacer material can be removed out from the hollow place of the concentric sphere after the concentric sphere is sintered to form porcelain. Therefore, the ceramic concentric sphere with movable layers is obtained. According to the idea of processing outwardly layer by layer, different materials are changed, and the concentric sphere of different materials can be prepared simply by changing the technology.

A topical delivery composition which employs a multivesicular emulsion in combination with a pharmaceutically/pharmacologically active agent is disclosed. The multivesicular emulsion is formed from a quaternary amine salt emulsifier such as behentrimonium methosulfate. The emulsion is multi-lamellar which is a series of concentric spheres or vesiculars of oil and water phase that can be seen microscopically. As a result, the active is time released over a sustained period rather than spike released as is common with most topicals.