100results about How to "Simple production and assembly" patented technology

Using geometric characteristics of outer margin curves of two light spots at different distances along direction of beam transmission, the disclosed method obtains divergence angle of laser. Through rotational scanning detection, concentric placed two light detectors perpendicular to each other obtain outer margin curves. Multiple optical fibers are distributed on the said light detector evenly. The disclosed device is composed of drive power supply, cooling water platform, cooling water circulation system, 4D traveling platform, electrical motor set, drive, data acquisition module, and PC etc. The light-receiving module includes light detectors. The light-receiving module, data acquisition module, and PC are connected electrically. The invention solves issue of test error caused by regarding face radiation of area array laser as spot light source so as to avoid damaging and burning detector caused by too large power of laser. Advantages are: accurate and reliable.

The present invention provides nano particle size measuring method and device with scattered dynamic low-strength laser. The method includes: radiating liquid sample with monochromic laser beam of proper length to produce scattered light signal; collecting and transmitting to light signal with single-modular fiber with gradient refractive index; recording with single-photon counter module the scattered photons and converting into output electric pulse signal; and processing the signal in an autocorrelator. The device includes: light source, polarizer, focusing lens, two-layered refractive index sample matching pool, fiber, single-photon counter module, autocorrelator and computer. The present invention can measure nano particle size fast and accurately.

A fast measuring method and a device for the photosynthetic speed of delayed light generated by plant leaf under induction of visual light are disclosed. Said method incldues such steps as visual light induction of plant leaf for generating delayed light, converting the light to electric signal, A/D conversion, data processing to obtain light intensity, and searching a match in database to obtainits photosynthetic speed. Said device is composed of light exciting module, light receiving module, A/D converter, computer and data processing software.

The invention relates to a polarization light splitter and an LCOS liquid crystal stereographic projection system which uses the polarization light splitter. The polarization light splitter mainly comprises a non-light tight prism and polarization light splitting faces arranged on the prism, wherein, the polarization light splitter comprises three polarization light splitting faces and is combined into a whole by three or four prisms; thereby the polarization light splitter has the advantages of simple structure and good light utilization factor; moreover, unpolarized lights which pass through the polarization light splitter can be split into an S polarized light and a P polarized light which are relative high in purity. The LCOS liquid crystal stereographic projection of the invention adopts the polarization light splitter and two LCOS liquid crystal panels synchronously driven by image signals; before the S polarized light and the P polarized light are finally projected onto the projecting lens, the S polarized light and the P polarized light undergo three filtrations and two filtrations respectively, which contributes to the relatively high contrast; moreover, the separation between the S polarized light and the P polarized light which carry different image signals respectively is quite high. The projection system of the invention has the advantages of compact structure, and good image quality and stereo display effect.

A tool for hob peeling rotating workpieces having pre-machined teeth comprises a gear-wheel shaped main body and tooth-shaped cutting inserts (1.2) which at the end face in the region of the tip circle are disposed on the main body. Each cutting insert comprises at least one cutting tooth. The cutting tooth forms a cutting edge (6) which runs at least along one of the flanks of the cutting tooth, and a cutting face and a clearance face. The cutting face along the cutting edge is provided with a cutting face chamfer (7) which in relation to the cutting face (5.5) runs so as to be inclined by a chamfer angle. The chamfer angle varies along the cutting edge. Moreover, the cutting edge is rounded by a radius.

A coextrusion adapter for an extrusion installation with extruders and a tool for producing a composite coextrusion structure of thermoplastic material. The coextrusion adapter has a central conduit with an end at an inlet side for connecting an extruder and an end at an outlet side for connecting the tool. The coextrusion adapter has at least one coextrusion conduit with an inlet end and an outlet end. A second extruder can be connected to the inlet end. At an end facing the outlet end the adjusting elements have a wedge-shape adjusting section with one wedge surface facing the central conduit and another wedge surface facing the outlet end of the coextrusion conduit. The adjusting section of the adjusting elements is pivotal around an axis extending over the width of the outlet end by the actuating drives. When an increase of the inside diameter of the respective transverse section of the outlet end occurs the corresponding transverse section of the central conduit is narrowed, and vice versa.

The invention relates to a multi-index combined detection marker protein paper chip, and belongs to the technical field of disease detection. The paper chip comprises two parts including a detection channel region and a water absorption region. The detection channel region is divided into hydrophilic detection channels between adjacent wax areas through wax spraying and printing of the rectangularwax areas on a nitrocellulose membrane. The detection channel is divided into a sample region, a reaction region and a color developing region, and is a place for reaction detection. The water absorption region is partially overlapped with a detection region through water absorption filter paper, provides chromatography power and absorbs excessive reactants. Maker protein in a sample reaches thereaction region through chromatography, and is combined with a specific antibody coated with colloidal gold; the color developing region is used for presenting a detection result in a red strip visible to naked eyes so that the paper chip can be suitable for daily family diagnosis. The paper chip has high accuracy and provides a simple and fast tool for joint detection of disease-related marker protein.

The invention provides a cover opening device of an electric pressure cooker and the electric pressure cooker. The cover opening device comprises a cover opening piece and a linkage sliding block, wherein the cover opening piece and the linkage sliding block are rotationally arranged on an inner cover of a cooker cover of the electric pressure cooker, and the rotating center of the cover opening piece and the rotating center of the linkage sliding block are not concentric; when the cover opening piece is rotated to a first setting position, the cover opening piece can drive an exhaust valve to be separated from an exhaust valve core for exhausting gas; the cover opening piece is connected with the linkage sliding block through the matching of a column body and a groove body, the linkage sliding block can be connected with a pot cover of the cooker cover of the electric pressure cooker, the cover opening piece can drive the linkage sliding block to rotate through the matching of the column body and the groove body during a process that the cover opening piece is rotated from the first setting position to a second setting position, and a pot tooth on the pot cover is separated from a pot tooth on a cooker body of the electric pressure cooker when the linkage sliding block drives the pot cover to rotate to the second setting position; the cover opening piece enables a cooker cover buckle to be separated from the cooker body when the cover opening piece is continuously rotated to a third setting position. According to the cover opening device and the electric pressure cooker, provided by the invention, the structure is simple, the manufacturing is easy, and the use is reliable.

The invention discloses a control system capable of perceiving a posture state of a toothbrush. The control system is arranged in a handle of the electric toothbrush. The electric toothbrush comprises a vibration motor for driving a toothbrush head of the electric toothbrush to work. The control system comprises a gyroscope accelerometer sensor, an LED alarm lamp, a micro-loudspeaker, a control chip, a wireless data transmission module and a power module, wherein the gyroscope accelerometer sensor, the LED alarm lamp, the micro-loudspeaker, the power module, the wireless data transmission module and the vibration motor are all electrically connected with the control chip; and the control chip is in wireless data connection with an external display terminal through the wireless transmission module. The control system capable of perceiving the posture state of the toothbrush has the characteristics of good correction effect, visual correction function, small size and low cost.

The invention relates to a positioning method and a positioning system for photographing devices. The positioning system comprises detection equipment and photographing equipment. The detection equipment comprises a first GPS (global positioning system) positioning module, an image acquisition through hole and a positioning fixing device. The photographing equipment comprises a camera, a storage device, a second GPS positioning module and an execution system. The execution system comprises a positioning information indication module, a position prompt module, an image acquisition display module and a positioning identification module, wherein the positioning information indication module is used for operating and invoking positioning information indicating diagrams, the position prompt module is used for extracting various position information, the image acquisition display module is used for acquiring the positioning information indicating diagrams and the various position information and displaying the same, and the positioning identification module is used for displaying relative position in the positioning information indicating diagrams according to the position of the camera and the image acquisition through hole. The photographing equipment is moved to enable the camera to be moved to the target position, and the positioning fixing device is used for fixing the photographing equipment. The method and the system are widely applied to positioning of portable biomedical detection equipment.

The invention relates to an electromagnetic brake with a permanent magnet, comprising spring plates, a friction plate, a coil baffle, a stand, a coil lining, a coil, a magnetic steel framework, magnetic steel and an engine seat, wherein each spring plate is provided with a fixed hole; a plurality of spring plates are mounted at corresponding positions in the friction plates by hat pegs; the stand is sleeved on the engine seat; the coil is arranged between the engine seat and the stand; the coil lining is arranged on the inner wall of the coil; the coil baffle is arranged on the front end face of the coil; the magnetic steel framework is arranged between the inner end part of the stand and the engine seat; multiple pieces of magnetic steel are arranged in the magnetic steel framework; and a magnetic leakage channel is formed between the end parts of two adjacent pieces of magnetic steel and is bent or curved. The invention has the advantages of simple and compact structure, simple assembly process of products and favorable stability; the brake torque can be greatly increased by the improvement on the permanent magnetic steel; and the elastic service life can be prolonged by the reasonable design of a spring plate.

The invention discloses an ultra-thin LED lamp and a production technology thereof. The LED lamp is characterized in that a radiating lamp body, a rear cover plate, a diffusion plate and a light guide plate are included, the radiating lamp body is provided with a light-emitting face, the rear cover plate is connected and matched with the radiating lamp body, the diffusion plate and the light guide plate are sequentially arranged between the radiating lamp body and the rear cover plate from bottom to top, the light guide plate is sleeved with a flexible LED substrate, the periphery of the flexible LED substrate is evenly provided with LED lamp beads, the front side of the light guide plate is a highlight mirror corresponding to the diffusion plate, the back side of the light guide plate is an uneven grid, and the difference of convex and concave sections is 0.05-0.3 mm. The LED lamp is low in cost, a few of materials are used, production and assembly are easy, the light guide plate has various light reflection functions to meet various requirements of light distribution, LED light rays are fully used, light loss is reduced to the minimum, the whole LED lamp is low in weight, and the aim of miniaturization is achieved.

The invention discloses an adhesive-free type lipstick packaging pipe which comprises a bottom cover and a median bundle core arranged in the bottom cover, wherein the median bundle core comprises a median bundle and a median segment which are mutually fixed, a helix rotatably arranged in the median bundle in a penetrating manner, and a bead positioned in the median bundle and driven by the helix to axially slide, matched rotary linkage parts are arranged between the periphery of the helix and the inner wall of the bottom cover, matched axial drop-preventing parts are arranged between the periphery of the median bundle core and the inner wall of the bottom wall, the bottom cover comprises an inner bottom cover and an outer bottom cover, matched clamping structures are arranged between the inner bottom cover and the bottom of the outer bottom cover, and a welding groove matched with the upper end part of the outer bottom cover is formed in the inner bottom cover. According to the adhesive-free type lipstick packaging pipe, the median bundle core is connected with the inner bottom cover and the inner bottom cover is connected with the outer bottom cover by adopting a mechanical or welding manner, and an adhesive connection manner in the conventional process is replaced, so that the adhesive-free type lipstick packaging pipe is simply produced and assembled, and the manufacturing cost is reduced.

The invention relates to the technical field of endoscopes, in particular to an endoscope self-locking device and an endoscope. The self-locking device comprises a shell and a rotating handle, a firstlocking piece is fixedly arranged in the shell, a rotating shaft is rotatably connected in the first locking piece, and a locking mechanism used for being matched with the first locking piece is movably connected to the rotating shaft; the locking mechanism comprises a base, a push rod and a second locking piece, the base is fixedly connected to the shell, the interior of the base is connected tothe push rod through a thread, the push rod penetrates through the base and the shell, the push rod is used for pushing the second locking piece, the second locking piece is movably connected to therotating shaft, and the second locking piece moves in the axial direction of the rotating shaft; and the push rod controls the second locking piece to be matched with the first locking piece to realize self-locking. Self-locking can be achieved by the rotating handle, locking of an insertion tube is achieved, the imaging stability of the insertion tube is guaranteed, and meanwhile the fatigue strength of an operator is reduced.

The invention belongs to the technical field of tobacco controlling, and particular relates to a slice controlling device for a slicer. The slicer includes a material feeding device, a material pushing device, a cutter, a material reversing device, a rotation axis, a material stopping device, a material guiding device, a material transporting device and a laser distance measuring sensor. The material pushing device is arranged at the top of the material feeding device and the material pushing device can move against the material feeding device. The outer side of the material feeding device is provided with the material guiding device. The material transporting device operates below the head of the material guiding device. The cutter is arranged at the inclined top of the right end of the material feeding device. The right side of the cutter is provided with the material reversing device. The right side of the material reversing device is provided with the material stopping device. The right side of the material is provided with the laser distance measuring sensor. The rotation axis of the material feeding device is supported on a material feeding bracket. The material stopping device consists of a material stopping top panel and a material stopping side panel. The material stopping side panel is openly provided with a round hole. The right side of the round hole is provided with the laser distance measuring sensor. The device greatly improves the accuracy of the slice and the stability of the tobacco flake flow.

The invention relates to a sonochemistrical luminous tomography method for tumour, which is that after distributing of sonosensitizer in tumour group, generating active oxygen-derived free radicals by scanning point by point and sensitizing used focusing ultrasound; translating the active oxygen-derived free radicals generated during sonosensitizing process real time and directly by chemical luminous agents into photons and radiating out; based on that, simulating the imaging of tumour group by optics detection technique. The apparatus comprises ultrasound producing groupware, light receiving groupware, A/D converter, triaxiality scanning device and computer; wherein ultrasound producing groupware and triaxiality scanning device link to computer, light receiving groupware and A/D converter link to computer in turn. The invention combines strong penetrating ability of focusing ultrasound to body and the advantages of high sensitivity and intactness of optics imaging, brings no radioactive damage to organism.

The invention discloses a spring energy storage mechanism for a vacuum load switch. According to the spring energy storage mechanism for the vacuum load switch, the capability of resisting an electric impact force of a dynamic thermal stable current of the switch in the case of a short-circuit current in the switching-on operating process is greatly improved and meanwhile, the breakage factors that a vacuum arc extinguish chamber is burnt out by a large current or devices are damaged by a shaking force and the like are avoided. A switching-off tripping part of a switching mechanism is flexible and reliable, parts are simply matched and connected, the switching-on and switching-off time of the switch is shortened, the breaking performance of the switch is ensured stable, and the switch is maintenance-free. The energy storage mechanism has various advantages that the energy storage mechanism is simple, convenient and flexible to produce and assemble and has short assembling hours, stable quality, high technical content, strong practicality and the like. The assembly of production parts of a complete machine is modularized. The spring energy storage mechanism is structurally optimized as further as possible. The parts are reduced. The part design is optimized. The part purchasing cost is reduced. The production efficacy is improved. The production cost is reduced. The spring energy storage mechanism is ensured to be strongly approved and used by market users.