15results about How to "Narrow width" patented technology

The invention discloses an LED packaging structure and a COB light source, the LED packaging structure comprises a metal substrate, the upper surface of the metal substrate is provided with a BT layer, the center of the BT layer is provided with a light-emitting area, the BT layer is provided with a first box dam and a second box dam which surround the light-emitting area in a stacked mode from bottom to top in sequence, the first box dam is white glue, the diameter of the first box dam is the same as that of the second box dam, and the diameter of the second box dam is the same as that of the first box dam. The inner side of the first box dam and the inner side of the second box dam are filled with fluorescent glue layers, and the fluorescent glue layers are located above the light-emitting area. According to the COB light source, the LED packaging structure is adopted, the air tightness is further enhanced, the problems of light attenuation, aging, fluorescent powder blackening and the like are solved, the overall dam width is smaller than the width of a single-layer dam for achieving the same dam height, the area of a small light-emitting area can be occupied, a larger light-emitting area can be achieved, and the product performance is improved.

The invention discloses a near-field sound focusing and directivity control system of a multichannel parametric array loudspeaker, which comprises a signal source module, a signal adjusting module, a signal modulation module, a signal amplification module and a parametric array loudspeaker, and is characterized in that the signal source module generates an original audio signal, the signal adjusting module adjusts the original audio signal, and the signal amplification module amplifies the original audio signal; the multi-channel focusing audio signal generation module generates multi-channel focusing audio signals, the signal modulation module modulates the multi-channel focusing audio signals to ultrasonic carrier signals to generate multi-channel ultrasonic modulation signals, and the signal amplification module carries out power amplification on the ultrasonic modulation signals and then correspondingly outputs the ultrasonic modulation signals to a plurality of sound production channels of the parametric array loudspeaker. And driving the plurality of sounding channels to focus and sound to the focus. The invention provides a near-field sound focusing control scheme of a parametric array loudspeaker, which is suitable for near-field focusing of the parametric array loudspeaker with large channel spacing and has a better side lobe suppression effect.

The utility model discloses a compact actuator, and relates to the technical field of automobile spare parts. When the compact actuator is used, a stator and a rotor are matched to drive an output shaft to rotate, and the output shaft is connected with a driving air inlet grille to drive blades to move; the three winding magnetic poles are arranged in the sunken mounting grooves in the bottom of the inner side of the shell, so that the local thickness of the shell is increased, the thickness of the other parts can be reduced, the internal space of the shell is smaller, the utilization rate is higher, meanwhile, the three mounting grooves are arranged, a positioning effect can be achieved when the stator is mounted, and the assembling convenience is improved; and the included angle between the M and the N is 60 degrees, so that the width of the stator in the M direction is narrower, and the length of the required shell is reduced.

The utility model discloses an aluminum integral pipe type scooter frame and scooter, the frame includes frame pipe and rear fork, the frame pipe is set to the hollow aluminum pipe of integral type, and is bent and set to form the vertical part and horizontal part of intercommunication, and the tail end of horizontal part is welded with rear fork, the top surface of horizontal part is short of a piece, forms the strip-shaped gap, and horizontal part becomes horizontal cover pipe, and the battery can be detachably placed into horizontal cover pipe through the strip-shaped gap, and the below and both sides welding of horizontal part strengthen the seat, the utility model discloses a scooter frame has the advantages such as harmony of modelling, simple structure, lightweight design, stable structure, high strength, cheapness etc.

The utility model discloses a novel narrow edge hand washing basin, including the basin body, the top surface rear side of basin body is provided with rear plane, be provided with faucet mounting port on the rear plane, the outside rear part of basin body is provided with two convex parts, and the two convex parts of basin body rear part are symmetrically arranged at the left side and the right side of faucet mounting port, and the two convex parts can enhance the mechanical strength of basin rear wall, and when installing, the threaded pipe section of faucet passes through faucet mounting port from top to bottom, and is connected and is installed with connecting nut, connecting water pipe and the like connecting pipe fittings below faucet mounting port, because the two convex parts are located at left and right sides, and the convex part does not hinder the connecting pipe fitting, compared with the traditional hand washing basin, can significantly reduce the distance of basin and wall, thereby making the rear plane narrow, can reduce the width of hand washing basin whole under the condition of keeping the existing basin capacity, to satisfy the demand of small area bathroom, or under the condition of keeping the overall width of hand washing basin, increase the volume of basin.

The utility model provides a human body detection device, which comprises a detection main body and a mounting part, and the mounting part is connected to the detection main body. Wherein the mounting part comprises a first side wall, an abutting structure and at least two elastic arms, and the abutting structure protrudes out of the first side wall; the elastic arm extends out based on the first side wall, and the elastic arm is configured to be an elastic sheet. The human body detection device provided by the utility model is simple and convenient in installation process and is safer.

The invention discloses a near-field sound focusing and directivity control method for a multichannel parametric array loudspeaker, and the method comprises the steps: S1, carrying out the signal adjustment of an original audio signal, and generating a plurality of channels of focusing audio signals for focusing; s2, modulating the focusing audio signal of each channel to an ultrasonic carrier signal to generate a plurality of focusing audio signals; s3, performing power amplification on the ultrasonic modulation signal of each channel; and S4, correspondingly driving a plurality of sound production channels of the parametric array loudspeaker by adopting the ultrasonic modulation signals of the plurality of channels subjected to power amplification, so that the plurality of sound production channels focus and produce sound towards a focus in a near field, and the distance between two adjacent sound production channels of the parametric array loudspeaker is smaller than or equal to the wavelength of the audio signal. The invention provides a near-field sound focusing control scheme of a parametric array loudspeaker, which is suitable for near-field focusing of the parametric array loudspeaker with large channel spacing and has a better side lobe suppression effect.

The utility model discloses a detachable battery's scooter, detachable battery's scooter includes frame pipe, battery, front fixed seat, battery lock, rear fixed seat and terminal, frame pipe hollow setting and top are equipped with the strip gap and form the cover pipe of missing, and battery is detachably placed into the cover pipe of missing, and the both sides of battery are restricted by frame pipe pipe body, the top of battery is flush with the top of cover pipe of missing and no longer sets up frame pipe cover plate, and the front fixed seat is fixedly arranged in the inside of frame pipe front end, is used for with battery front end joint, is provided with battery lock on front fixed seat, and the key hole of battery lock is located frame pipe side, and the lock tongue of battery lock is inserted with battery front end and is limited to go up and down activity, and the rear fixed seat is fixedly arranged in the inside of frame pipe rear end, is used for with battery rear end joint, and is provided with terminal on rear fixed seat, and battery rear end is connected with terminal and supplies power. The utility model has the advantages of convenient battery dismounting, reliable fixation, coordinated modeling, simplified structure etc.

This invention provides a rotating shaft device, comprising a support mechanism, a first rotating assembly, and a driven assembly. The support mechanism includes a side support member. The first rotating assembly includes a positioning seat and rotating mechanisms disposed on opposite sides of the positioning seat. Each rotating mechanism includes a first rotating member, a second rotating member, and a connecting member. One end of the first rotating member is rotatably connected to the positioning seat, and the other end is rotatably connected to the connecting member. One end of the second rotating member is rotatably connected to the positioning seat, and the other end is rotatably connected to the connecting member. A first rotation axis between the first rotating member and the connecting member is parallel to a second rotation axis between the second rotating member and the connecting member. The driven assembly includes two driven members rotatably connected to opposite sides of the positioning seat. The end of each driven member away from the positioning seat is slidably connected to the side support member. The side support member and the connecting member are rotatably connected. This application also provides an electronic device equipped with a rotating shaft device.

The utility model provides a carbonatite and dolomite stratum oil well wire line coring tool, including drill stem, outer tube, inner tube, inner tube assembly, winch and fisher, drill stem bottom end is connected with outer tube, inner tube assembly is connected with inner tube top end, the free end of rope on winch is connected with fisher top end, outer tube bottom end is connected with PCD drill bit, and the outer tube bottom end is connected with the PCD drill bit. A through hole is formed in the central axis of the PCD drill bit, and the through hole is in butt joint with the rock core containing channel in the inner pipe; the PCD drill bit is provided with six straight blades, the width of each straight blade is 1 / 20-1 / 16 of the circumference of the PCD drill bit, each straight blade is provided with a plurality of cutting teeth, and on the same straight blade, the cutting teeth at the most front end are arranged on the end face of the bottom end of the through hole. The oil well wire-line coring tool for the carbonate rock and dolomite formations has the advantages of being high in drilling efficiency for the carbonate rock and dolomite formations, high in core yield rate for the unconsolidated sand shale of the Nadisk group and capable of being suitable for deep coring operation.

The present application relates to a shower head heater and a substrate processing apparatus, and more particularly to a shower head heater and a substrate processing apparatus that can perform etching and post-processing steps of a substrate in a single chamber when performing a dry etching process of a large area substrate. The shower head heater has a shower head plate formed with a plurality of through holes, and a printed heater provided on at least one of the upper surface and the lower surface of the shower head plate.

The utility model provides a kind of narrow frame display panel and display module, wherein display panel includes display unit array, drive module array and substrate, display unit array includes several OLED structures, drive module array includes several drive module structures corresponding arranged in OLED structure bottom and project signal layer for connecting external input LVDS signal and external power supply arranged in drive module structure bottom, drive module structure includes the LVDS receiver for receiving external input LVDS signal, with the decoder for decoding external input LVDS signal for the communication connection of LVDS receiver, with the data storage for storing the display data after decoding for the communication connection of decoder, with the PWM generator for converting display data into PWM drive signal for the signal connection of data storage, and with the LED drive circuit for driving OLED structure for the communication connection of PWM generator, substrate is arranged in project signal layer bottom.

The utility model discloses a squeeze water structure of flat mop, including squeeze water frame, be equipped with the squeeze water passageway of the mop head of flat mop for passing through on squeeze water frame, one side of squeeze water passageway is equipped with the water mechanism of combing, the water mechanism of combing includes swing frame and first water combing scraper, swing frame is connected on squeeze water frame through first pivot rotation, first water combing scraper is connected on swing frame through second pivot rotation, first pivot is parallel with second pivot and is different shaft, first water combing scraper is equipped with the first squeeze water part in squeeze water passageway, and first squeeze water part is used for the contact squeeze water of passing through mop head, swing frame rotates around first pivot or first water combing scraper rotates around second pivot can control first squeeze water part on first water combing scraper and is away from or close to mop head, and this structure can give mop head enough pressure for squeeze water when the first water combing scraper can squeeze water when moving down squeeze water frame, has greater distance when moving back to the original position on squeeze water frame, realizes easily moving back to the original position.

The utility model discloses a seismic source narrow body frame capable of realizing mutual installation of double-wave vibrator assemblies, which comprises a front frame assembly, a hinge joint and a rear frame assembly, the front frame assembly and the rear frame assembly are connected together through the hinge joint to form a whole vehicle frame assembly, and the whole vehicle frame assembly is connected with the rear frame assembly through a mounting bracket of the whole vehicle frame assembly. And all parts required by the seismic source are assembled together. The whole vehicle frame of the vibration source is narrow in width, is suitable for urban and rural paths, does not occupy lanes, and can realize normal driving and vibration operation; the vibration source complete machine frame can meet the requirement that the longitudinal wave vibrator assembly and the transverse wave vibrator assembly of the controllable vibration source can be mutually installed through different lower pressing plate mechanism modes.

The utility model discloses a film capacitor for an automobile, which comprises a plastic shell, a hollow part is arranged at the bottom of an inner cavity of the plastic shell, the hollow part is sealed by installing a cooling metal plate, one side of the plastic shell is provided with a side opening communicated with the inner cavity, and a capacitor core, a busbar and an insulating sheet are arranged in the inner cavity of the plastic shell. The insulating sheet, the busbar and the capacitor core are sequentially stacked on the cooling metal plate from bottom to top, one side, close to the side opening of the plastic shell, of the busbar is electrically connected with a leading-out terminal, and the leading-out terminal extends out of the plastic shell from the side opening. The busbars are intensively arranged at the position close to the cooling metal plate, concentrated cooling of heat of the capacitor is facilitated, the leading-out terminals do not pass through the cooling metal plate, and integrity of the cooling metal plate is kept.