35 results about "Light pipe" patented technology

A light pipe may comprise an elliptical body with a front face and a rear face. The front face may include an exit ring that is to be uniformly illuminated, and the rear face may include a plurality of light channels to receive light from respective light emitting diodes. The light channels may propagate received light at least partially circumferentially or elliptically around the body, and may reflect light toward an annular surface at an outer circumference of the rear face. Then, the annular surface may reflect light toward the exit ring, thereby generating uniform illumination while minimizing size, cost, and energy consumption. Further, the light pipe may be incorporated into a light pipe assembly including a button, a reflector, and a printed circuit board assembly, in which portions of the assembly may further facilitate propagation of light within the light pipe.

An immersion probe (1) for the quantitative and / or qualitative analysis of a fluid (F), e.g., a liquid or a gas, using light which is guided through the fluid (F) along a light path (L), comprising a measuring head (10) suitable for immersion in the fluid, having an input light guide (14) for the light guided to the fluid (F), which input light guide can be connected to a light source, and an output light guide (15) for the light guided out of the fluid (F), which output light guide can be connected to a detector, a first and a second optical window, the mutually facing faces of which are in contact with the fluid, and at least one light deflection device (17, 18), which is arranged in the light path of the light exiting the input light guide (14) and entering the output light guide (15) and deflects the light coming from the input light guide (14) through the first optical window into the fluid and deflects the light coming from the fluid to the output light guide (15). The immersion probe is characterized in that the first and the second optical window (20, 21) are arranged with respect to each other in a wedge shape, and their surfaces (20a, 21a) pointing toward the interior of the V face the fluid (F) to be analyzed, the at least one light deflection device (17, 18) and the optical windows (20, 21) being able to move back and forth relative to each other substantially in the direction of the opening of the V.

The application discloses an injection molding method for a toy light guide pipe, which can avoid the occurrence of flow lines and bubbles in the toy light guide pipe after injection molding. The technical scheme is as follows: an injection molding method for a toy light guide pipe, which comprises a mold provided with a cavity, and the cavity is provided with a gate through which glue is injected into the cavity, and the glue injection is divided into five stages, i.e., a first glue injection stage, a second glue injection stage, a third glue injection stage, a fourth glue injection stage and a fifth glue injection stage. The glue injection speed of the first glue injection stage is the largest, the glue injection speed of the third glue injection stage is larger than that of the second glue injection stage and the fourth glue injection stage, and the glue injection speed of the fifth glue injection stage is the smallest. The glue injection pressure of the first glue injection stage is smaller than that of the second glue injection stage, and the glue injection pressure of the second glue injection stage is smaller than that of the third glue injection stage. The application belongs to the technical field of injection molding.

The utility model discloses a corrugated inclined tee joint, including the main pipe, the one side of main pipe is connected with the branch pipe, the middle part of main pipe and the branch pipe and main pipe connection end are corrugated, and the interface end of main pipe and branch pipe is the light pipe, and the inner wall of interface end of main pipe and branch pipe is equipped with several lugs, main pipe, branch pipe and lug are integrally formed through injection molding process, the lug is long strip structure as a whole, and the section of lug is circular arc shape, compared with prior art, the utility model has strong compression resistance, good pressure resistance, the whole pipe wall is thin, saves production raw material, reduces manufacturing cost, in addition, the corrugated infiltration and drainage pipe can be connected with the tee joint through the connection mode of inserting, guarantees that the on -the -spot installation is more convenient, improves work efficiency.

Lighting assemblies are provided and may have a PCB having a PCB top side, a first plurality of LEDs on the PCB top side, a light blade having a light pipe portion, a lens portion, and an intermediate portion interposed between the light pipe portion and the lens portion; the intermediate portion is offset from the PCB top side, the light pipe portion is between the PCB top side and the intermediate portion, the lens portion extends away from the intermediate portion and has a distal end offset from the intermediate portion, the light pipe portion extends away from the intermediate portion in a second direction, has a front surface and a back surface having a reflective coating, opposite the front surface, and with an angled portion oriented at an acute angle to the second direction, and each LED is configured to emit light onto the front surface.

The utility model belongs to the technical field of crossing reminding device, concretely relates to a high -speed service area crossing two -way reminding display device, including main stand, fixedly connected with control host computer, display screen, signboard, pedestrian sensing device, flash lamp, sound and prompt light output device on main stand, display screen, pedestrian sensing device, flash lamp, sound and prompt light output device all are electrically connected with control host computer, prompt light output device, prompt light output device will release prompt light to the road when starting, prompt light output device includes the lamp shade fixedly connected in one side of main stand, the lower end of lamp shade is fixedly connected with laser lamp, one side of lamp shade is fixedly connected with a plurality of light outlet pipes. The utility model can reduce the phenomenon that the small car driver's view is blocked and cannot effectively get the two -way reminding display device prompt because of being located in the inside lane.

The utility model relates to a light guide pipe system technical field especially relates to a roof ventilating light guide pipe system, include: light guide pipe and ventilating pipe, the roof is provided with the through hole that passes through the inside and outside of house, the ventilating pipe is installed on the through hole vertically, the upper and lower ends of ventilating pipe are located roof outer wall above and inner wall below respectively, the ventilating pipe bottom end opening and top end plane are provided with mounting hole, the light guide pipe is the pipe body that passes through up and down, the light guide pipe is slid from top to bottom and is fixedly installed on the ventilating pipe and penetrates the mounting hole, the light guide pipe top end projects to the top end of ventilating pipe above and is fixedly installed with the light collection cover, the ventilating pipe outer wall is evenly provided with a plurality of ventilating window at the position above the roof, is installed with the rainproof louver on every ventilating window, the utility model provides a roof ventilating light guide pipe system with ventilation, lighting and rainproof function simultaneously.

A catheter system (100) for treating a treatment site (106) within or adjacent to a vessel wall (108A) or a heart valve includes a light source (124), a first light guide (122A), a second light guide (122A), and a guide bundle (152). The light source (124) generates light energy. The first light guide (122A) receives the light energy from the light source (124) and has a guide proximal end (122P). The second light guide (122A) receives the light energy from the light source (124) and has a guide proximal end (122P). A guide bundle (152) is in optical communication with the light source (124). The guide bundle (152) bundles the first light guide (122A) and the second light guide (122A). The guide bundle (152) includes a first ferrule (778) that engages the guide proximal end (122P) of the first light guide (122A) and a second ferrule (778) that engages the guide proximal end (122P) of the second light guide (122A). At least one of the ferrules (778) can be formed at least partially from a ceramic material or a metallic material.

An apparatus, system, and method for outputting status information of an internal storage drive. One apparatus includes a mounting tray configured to hold a storage drive, a light pipe coupled to a light-emitting diode (LED) of the storage drive, and a light sensing module coupled to the light pipe. The light sensing module is configured to receive a light signal from the LED, generate a serialized electrical signal based on the light signal, and output the serialized electrical signal to a bus controller, where the serialized electrical signal indicates status information of the storage drive.

The utility model discloses a mobile desktop CT detection machine, including the shallow, still install the revolving table on the shallow, and still arrange the detection box on the revolving table, still arrange the flat -panel detection mechanism and the light pipe emission mechanism in the detection box, and the flat -panel detection mechanism is opposite to the light pipe emission mechanism arrangement, still install the product bearing mechanism in the detection box, and the product bearing mechanism is arranged between the flat -panel detection mechanism and the light pipe emission mechanism. The utility model discloses through miniaturization design and structure optimization, greatly reduced cost, at the same time, is equipped with shallow, is convenient for moving, to be applied to different use scene, and adopts the mode of mutual cooperation of the stage 360 degree rotation and Z axle movement structure, can realize the full surface dynamic CT scanning detection of product, and the detection efficiency is high.

The utility model discloses a detachable storage's luminous creative lantern, including by top seat, light pipe and base from top to bottom are connected in proper order and form the middle axle rod, the light pipe is tubular structure, the one end or opposite end of light pipe is open setting, a plurality of detachable connection on the middle axle rod's grating piece, a plurality of grating piece along the light pipe circumference direction vertical equidistance arrangement set, the light emitting component is arranged in the inside of light pipe, the light emitting component is along the length direction of light pipe setting, and the light emitting component transmits out through light pipe after lighting, forms soft light emitting effect. The utility model discloses the grating piece with middle axle rod detachable connection, in order to facilitate the packing transportation and accomodation of lantern main part, and the light pipe inside on middle axle rod is provided with the light emitting component, and the light transmits out through light pipe after lighting, and its light is more soft, does not have the eye.

One aspect of the present invention is, - At least one light source (220, 222), and at least one housing (226, 228), - Parallel or converging first outlet (230) and second outlet (232), the first outlet (230) and second outlet (232) are respectively located in the housing, This relates to a light engine (22) equipped with the following. Another aspect of the present invention relates to a light-emitting device (200) comprising at least one light guide (24) and a light engine (22) according to the present invention. The light guide comprises at least one first segment (240) and one second segment (250), each segment comprising a single connecting portion (242, 252) extending to an intersection (I) with the second segment (250) or the first segments (240, 250), and an illumination portion (244, 254). Each of the light engine outlets receives at least a portion of the connection between the first and second segments of the light guide.

The application discloses a typical laser communication system Kude optical path installation and adjustment method based on a fast reflecting mirror, and comprises the following steps: reflecting a parallel light pipe light beam to a parallel light pipe camera center position through a reference mirror; a fiber collimator emits laser, an optical antenna azimuth direction is rotated through a control coarse tracking turntable, and a transmission light spot position information is acquired through the parallel light pipe camera; the fast reflecting mirror position is adjusted, a Kude optical path pointing rotation error reduction trend is determined, and an accurate reference is provided for Kude optical path installation and adjustment. The method has the characteristics of controllability and rapidity of the fast reflecting mirror in the typical laser communication system, avoids the shortcomings of uncertain direction and low controllability caused by manual control during the existing Kude optical path installation and adjustment, effectively improves the Kude optical path installation and adjustment effect and efficiency, and can be widely applied to the typical laser communication system.

The utility model relates to the technical field of horse mouth fish breeding, and disclose the anti -collision horse mouth fish breeding cage device, including floating mounting plate, still including having set up in the support connecting seat of floating mounting plate top, set up in the feeding cage body of floating mounting plate bottom, set up on the isolation door of feeding cage body, fixedly connected in the positioning light pipe of floating mounting plate top. Under the condition that the threaded block is driven with threaded connection cylinder threaded connection through the rotation connecting column, drive the sliding limit rod on the support connecting seat to lift to the appropriate position under the limit of limit installation cylinder, do not need to adopt complex elastic buffer, anti -collision cover and so on structure, reduced device overall structural complexity, reduced manufacturing and maintenance cost, can adapt to the water flow environment of different flow rate and flow direction, improved the effect of anti -collision, ensured the stability of device, reduced the weight and improved the anti -collision performance, will not soak and rub and age, break down for a long time, lose the anti -collision function.

To provide a wire harness that makes it easy to confirm the location even at night. [Solution] The wire harness 10 includes a group of wires 11 routed from the vehicle body 20 to a sliding door 30 that can be opened and closed relative to the vehicle body 20. The wire harness 10 includes a light guide 41 and a light-emitting member 42 as lighting members 40 that extend along the direction of extension of the group of wires 11.

The utility model discloses a pneumatic nozzle assembly for laser cutting machine, including the nozzle body, the nozzle body inside is provided with the light pipe, and still including the air duct of coaxial setting in the outside of light pipe, dust cover, the dust cover detachable setting in the output of nozzle body, the dust cover includes the cover body, the part of cover body corresponds the light pipe and the air duct and is provided with the through -hole, the movable symmetry of through -hole is provided with the baffle, the baffle is closed through -hole or each other away open through -hole each other. The utility model discloses through setting the dust cover with baffle structure in the output of nozzle body, in the non - working state of equipment, the baffle is closed through -hole automatically under the spring effect, realizes the effective closure of light pipe and air duct, avoids the dirt, the dirt and so on and enters the inside of nozzle, thereby protects the cleanliness of optical element, improves the laser transmission efficiency and cutting accuracy.

The application relates to the technical field of heat exchange equipment, in particular to a novel double-pipe heat exchanger. The double-pipe heat exchanger comprises an inner pipe assembly and an outer pipe assembly. The inner pipe assembly is made of stainless steel, has an internally-threaded pipe and two end light pipe sections, forms a first medium channel, and the light pipe sections have a medium inlet and a medium outlet. The outer pipe assembly has an outer pipe and two pipe sleeves, the pipe sleeves are arranged on the outer sides of the two ends of the inner pipe, the outer pipe is connected with the pipe sleeves, the pipe sleeves have a first connecting pipe and a second connecting pipe, and the connecting pipes are connected with the inner pipe to form a second medium channel. The connecting pipes are the medium inlet and the medium outlet. The scheme can reduce the production cost and improve the sealing reliability.

A light-transmitting panel for a building such as a greenhouse. The panel includes a light-transmitting member positioned between an inner surface and an outer surface of the panel, the light-transmitting member including a plurality of light-transmitting devices (e.g., light pipes) and a thermal insulator at least partially surrounding the light-transmitting devices. Each of the light-transmitting devices includes a light-receiving portion, a light-emitting portion and a transmission portion between the light-receiving portion and the light-emitting portion. The panel may be connected to a frame along its perimeter. In some embodiments, sensors and / or functional components may be provided in connection with the panel and may be configured to exchange signals with an electronic system to provide monitoring and / or control functionality.

In an example, a surgical retractor includes an elongated shaft extending from a first end to a second end, and a retractor blade extending from the second end of the elongated shaft. The elongated shaft defines an internal chamber. The elongated shaft includes a handle portion at the first end of the elongated shaft, a suction conduit in a first lateral portion of the internal chamber, and a light conduit in a second lateral portion of the internal chamber. The suction conduit extends from a suction port at the first end to a suction aperture at the second end. The light conduit extends from a light-input port at the first end to a light aperture at the second end. The suction conduit and the light conduit are substantially coplanar. The surgical retractor also includes an optical waveguide in the light conduit of the elongated shaft.

The utility model discloses a rotatable light guide mirror lamp, rotatable light guide mirror lamp includes mirror, lamp body and damping hinge. Lamp body is located the top of mirror. Damping hinge includes first hinge, second hinge and pin shaft, first hinge fixed mounting is in mirror, second hinge fixed mounting is in lamp body, pin shaft is worn in first hinge with second hinge, pin shaft with second hinge fixed connection, pin shaft with first hinge interference fit, pin shaft can rotate relative to first hinge. User rotates lamp body and needs to overcome the friction between pin shaft and first hinge, when lamp body rotates to target angle, pin shaft and first hinge keep interference fit, so that when user no longer exerts force to lamp body, lamp body and mirror keep relative fixed and realize self -locking.

The utility model discloses a dental handpiece, including the head and handle still include optical fiber light pipe and protection shell, and one end of optical fiber light pipe installs in the head and extends along the length direction of the head and penetrates handle, and protection shell movably installs in the head and is used for shielding part optical fiber light pipe or make part optical fiber light pipe expose, and handle and head detachable cooperation and with protection shell limit cooperation. The utility model provides a brand -new structure's dental handpiece, and this dental handpiece sets up the protection shell on the basis of traditional dental handpiece, and the protection shell can shield and protect optical fiber light pipe, and protection shell movably installs in the head and is convenient for realizing the disassembly to make optical fiber light pipe expose, and it is convenient to change or repair and so on operation, and in the operation process, only need to disassemble handle shell, need not to disassemble other parts, can effectively reduce operation procedure, save time and cost.

This invention discloses a process for fabricating a large aspect ratio tubular tool with a conductive annular light-guiding film, comprising the following steps: S100: Using a mixed gas with high infrared spectral transmittance as raw material, a hollow tool mother tube is prepared. S200: The hollow tool mother tube is softened and shrunk under negative pressure to obtain the target hollow tool mother tube. S300: The target hollow tool mother tube is subjected to pressure-holding drawing, and the inner and outer diameters of the hollow tubular light guide tube obtained by pressure-holding drawing are fed back through real-time online measurement, and the drawing pressure is adjusted in real time to finally obtain the finished hollow tubular light guide tube of the target size. S400: A metal layer is deposited on the inner wall of the finished hollow tubular light guide tube, and an optical exit structure is processed on the tube end face of the finished hollow tubular light guide tube, thereby obtaining a large aspect ratio tubular tool. This invention can fabricate a large aspect ratio tubular tool with a conductive annular light-guiding film of the target size, and during the fabrication process, the size of the large aspect ratio tubular tool can be quantitatively controlled and is not prone to cracking.

The utility model relates to lightning arrester detection technical field, concretely relates to a lightning arrester leakage current on -line monitoring device, including mounting bracket, the outer wall fixedly connected with fixed block of mounting bracket, the one side of mounting bracket is provided with lightning arrester pole body, the outer wall fixedly connected with fixed clamp cover of fixed block, fixed clamp cover and lightning arrester pole body fixedly connected, the one end of fixed block away from fixed clamp cover is equipped with the current monitor for monitoring lightning arrester pole body. The utility model discloses the laser emitter of setting, in the case where lightning arrester pole body also has happened skew, mounting bracket will also produce skew, or in the case where loosening, when the shaking of strong wind blows, laser emitter just can not directly aim at the light pipe, lead to crystal ball not luminescence or intermittent luminescence, and staff can observe the condition of lightning arrester pole body in the distance to timely overhaul.

The invention relates to a lighting device (10) with a flat light guide (12) which has a protective layer (18) directly connected to a light guide core (16) on its light exit side (30) at least in a visible area (32), into which light (24) from at least one light source (22) can be coupled via the light guide core (16) via at least one coupling-in side (20), and which has a coupling-out structure (28) on its rear side (26) opposite the light exit side (30), which structure is set up to deflect light (24), as a result of which the deflected light (24) can be coupled into the light guide core (16) via at least one coupling-in side (20). (24) emerges from the light guide (12) into the environment via the light exit side (30), and with a housing (14) which covers the rear side (26) at least in overlap with the entire visible area (32) of the light guide (12) on a side facing away from the light exit side (30) and is connected to the light guide (12) in a dust-proof and contamination-proof manner.

Devices, systems, and methods for a lid of an aspirating smoke detector device are described herein. In some examples, one or more embodiments include an aspirating smoke detector device, comprising a plurality of light pipes, a cover including a plurality of apertures to interface with the plurality of light pipes, a housing including housing inlets and a housing outlet, and a reversible lid connectable to the cover in a first lid orientation and a second lid orientation, where when the cover and the housing are in a first device orientation, the reversible lid is to connect to the cover in the first lid orientation and when the cover and the housing are in a second device orientation, the reversible lid is to connect to the cover in the second lid orientation.

The present disclosure provides a kitchen appliance including a vessel (104) for containing a substance (108), wherein the vessel (104) includes a light pipe (110) that extends from a bottom portion of the vessel (104) along a portion of one or more side walls (116) of the vessel (104), and a base (106) configured to removably support the vessel (104), wherein the base (106) includes an illumination assembly (250). When the vessel (104) is supported by the base (106), the light pipe (110) is positioned adjacent to the illumination assembly (250) to receive and transmit light emitted therefrom.

A single piece light pipe is designed to provide dual-field, multi-color, multi-directional illumination. The light pipe is combined with a single PCB having a plurality of LEDs to create a compact illuminator that can selectively provide dark field and bright field with red, green, blue color, broad spectrum, or combination of any color in horizontal, vertical, diagonal, or combination of any direction. The single piece light pipe is compact in size and light in weight. The non-closed form option not only can further reduce the weight but also can allow arrange opening area clearance for: (1) visual aiming and alignment in application, especially for hand held application; (2) reducing illumination crosstalk to unwanted directions; and for (3) mechanical integration. The improvements allow the illuminator to read direct product marking (DPM) type of barcodes.

This application discloses an apparatus and method for adjusting the position of an electron detector. The electron detector comprises a grid, a light guide component, and a photomultiplier tube component connected sequentially along a direction from near the objective lens to far from the objective lens. The apparatus includes a position adjustment mechanism connected to the electron detector for driving the electron detector to move relative to the objective lens along its own axis to change the position of the grid. A control unit is communicatively connected to a scanning electron microscope and the position adjustment mechanism. The control unit is configured to control the position adjustment mechanism to move the electron detector to a target position corresponding to the working distance between the scanning electron microscope and the sample tray. This application's solution, by setting up a position adjustment mechanism and a control unit, achieves precise control of the grid position, optimizes the electric field near the grid, and improves imaging quality.