34 results about "Horn shell" patented technology

The invention provides a broadband double-ridged horn antenna for solving the technical problems of complex structure, lobe splitting in high frequencies and gain decline of the existing broadband double-ridged horn antenna. The broadband double-ridged horn antenna comprises a horn shell (1), a rectangular waveguide section (2), an upper ridge (3), a lower ridge (4) and a coaxial feeder line (5), wherein the rectangular waveguide section (2) adopts a cubic structure with a cavity; the ridge lines of the upper ridge (3) and the lower ridge (4) are both formed by linear sections and curved sections, wherein the curved sections adopt cubic bezier curves, and the coordinate values of the endpoint control points at the tail end of the curve are greater than that of the endpoints at the tail end; the two ridges (3, 4) are fixed on the inner walls of the upper side plate and the lower side plate of the horn shell (1); and the coaxial feeder line (5) passes through the top end of the rectangular waveguide section (2) to be connected with the upper ridge (3) and the lower ridge (4). The broadband double-ridged horn antenna has a simple feed structure, and can maintain sable directional diagram characteristics within a broadband range, so that the horn antenna is suitable for being used as the feed source for a standard measurement antenna and a reflector.

The invention belongs to the technical field of earphones, and particularly relates to a horn and an earplug earphone. The horn comprises a cylindrical horn shell, a partition board arranged along the radial direction is deployed in an enclosed cavity, a first horn and a second horn are respectively arranged on both sides of the partition board, and each horn comprises a magnetic circuit system and a vibration system; a magnetic gap is arranged between the magnetic circuit system and the horn shell, and an air pressure balance hole is formed in the partition board located at the magnetic gap; the vibration system comprises a voice coil and a vibrating diaphragm covered on the end part of the horn shell, and the voice coil is fixedly connected with a side face of the vibrating diaphragm; and the earplug earphone comprises an earphone front shell and an earphone back shell, which are buckled together, the horns are installed in the enclosed space, a plurality of front shell sound outlet holes are formed in the earphone front shell, and an acoustic waterproof membrane is arranged between the plurality of front shell sound outlet holes and the horns. As the vibration directions of the vibrating diaphragms of the two horns are the same, the vibration performance is enhanced and the bass effect is improved, due to the acoustic waterproof membrane, no sound release hole is formed, and the waterproof performance is enhanced.

The invention discloses an 18-40GHz low sidelobe dual-polarized horn antenna. A diagonal horn shell, a four-ridge waveguide section and an end cover are connected in sequence; the four-ridge waveguidesection comprises a square waveguide, four ridge sheets are fastened at four corners in the square waveguide through screws, and the four ridge sheets are in a cross shape; a feed probe of a radio frequency connector is inserted into the ridge sheets from the outer side of the square waveguide. An end cover is provided with a boss, the boss is provided with a reflection cavity, and the square waveguide is sleeved on the boss. The antenna also comprises an adjusting screw, and the adjusting screw extends into the reflection cavity from the bottom of the end cover. According to the invention, the antenna has a good application prospect in the field of electronic measurement, adopts a dual-port structure, can transmit or receive two orthogonal polarization waves, has a working bandwidth of more than 9: 1 octave and a sidelobe level of-25dB, and can be applied to detection systems such as high-resolution radars and the like.

The invention discloses a flame correcting method for a rudder horn shell plate. The method comprises the following steps of: A, reversing the rudder horn shell plate, placing four corners of the rudder horn shell plate on cushion blocks with equal heights correspondingly to ensure that one gap between one corner or a pair of corners and the cushion block exists; B, longitudinally drawing a heating line on the rudder horn shell plate and applying vertical pressure to the upper surface of the shell; C, heating the shell plate along the heating line; D, after cooling, observing whether the gaps between the four corners of the rudder horn shell plate and the cushion blocks exist, if so, appropriately increasing the vertical pressure, measuring the longitudinal size of the rudder horn shell plate, drawing the heating line on the rudder horn shell plate again according to the longitudinal deformation of the rudder horn shell plate, and heating; repeating operation according to the step D until the gaps between the four corners of the rudder horn shell plate and the cushion blocks do not exist, and the longitudinal deformation of the rudder horn shell plate meets the accuracy requirement; and F, removing the vertical pressure. The steps of the flame correcting work can be greatly reduced, and a large amount of gases required by flame heating, such as oxygen, acetylene and the like can be saved.

The invention relates to a processing method of an ionized calcium water-soluble preparation and a product. The ionized calcium water-soluble preparation is prepared from the following raw materials in parts by weight: 100 to 120 parts of oyster shells, 20 to 28 parts of stalactite, 60 to 72 parts of pearl oysters, 55 to 65 parts of seven horn shells, 70 to 85 parts of fossil fragments, 28 to 35 parts of ricinus communis, 25 to 34 parts of salviae miltiorrhizae, 17 to 22 parts of selfheal, 12 to 18 parts of hawthorns, 10 to 15 parts of semen ziziphi spinosae, 25 to 32 parts of lemons, 40 to 62 parts of donkey bones and 20 to 26 parts of egg albumen. The ionized calcium water-soluble preparation is high in calcium content and high in ionization degree, and is ionized calcium active water which is easily absorbed by a human body; the pH value is 14 after the ionized calcium active water is flushed, so that the acid-base balance of the human body can be adjusted, and various trace elements and mineral substances which are required by the human body are supplemented; the human body absorption rate can reach 95 percent or above.

The invention relates to an assembling and correcting device for insulating parts of automobile horns, and belongs to small part assembly equipment. The assembling and correcting device for the insulating parts of the automobile horns is composed of an assembling transverse-moving mechanism, a horn shell correcting mechanism, a shell compressing mechanism, an insulating part feeding mechanism andan insulating part correcting mechanism. According to the assembling and correcting device, by means of duel correcting of the horn shell correcting mechanism and the insulating part correcting mechanism, the assembling accuracy can be guaranteed, and the insulating parts of the horns can be accurately assembled; in the assembling transverse-moving mechanism, the coordination between a sliding table air cylinder and a guide rail is reasonably adopted, mechanical limiting is achieved, and therefore the stability in the assembling process can be guaranteed; the insulating part feeding mechanismcan effectively convey the insulating parts to a designated position one by one, and therefore a feeding guarantee can be provided for the whole device; and the reliable technical scheme is provided for assembling and correcting the insulating parts of the automobile horns, and therefore the automation of accurate assembling of the insulating pars of the automobile horns can be realized.

The invention provides a double-ridged horn antenna based on specially-shaped ridge loading. While the matching characteristics in the working frequency band of the double-ridged horn antenna are ensured, the gain radiation characteristics of the antenna are enhanced. The antenna comprises two oppositely-arranged specially-shaped ridge plates, a horn shell, a back cavity and two feed coaxial lines, wherein each specially-shaped ridge plate comprises a back cavity matching section and a specially-shaped transition section, and the ridge line of the specially-shaped transition section is formedby two exponential curve sections and three arc sections in smooth connection; the horn shell adopts a rectangular horn structure formed by a pair of curved surface metal walls and a pair of plane metal walls in a mutual splicing mode; the two specially-shaped ridge plates are loaded to different curved surface metal walls; the back cavity adopts a cuboid thin wall structure; and the shielding layer of the feed coaxial line is connected with the back cavity, and the inner core passes through the sealing end of the back cavity to be connected with the back cavity matching section. The double-ridged horn antenna based on specially-shaped ridge loading has an ultra wide working frequency band, and can be applied to fields such as communication, remote sensing and antenna measurement.

The invention discloses a waterproof cover for a car horn which can prevent water from entering the cavity of the horn shell and at the same time facilitate sound transmission. The water bar, the section of the water retaining bar is V-shaped or figure eight, and the opening is arranged away from the sound outlet of the horn. In the above solution, the water retaining strip effectively prevents water from entering the speaker housing, and the V-shaped or figure-eight shape not only does not hinder the transmission of sound, but also diverges the sound and improves the pitch of the sound.

The invention discloses a dual-drive sounding structure, a dual-function earphone and a control method of the dual-drive sounding structure. A double-drive type sound production structure comprises avibrator structure used for bone conduction sound and a horn structure used for air conduction sound. The loudspeaker further comprises a magnetic conductive connecting piece arranged between the oscillator structure and the horn structure. The magnetic conductive connecting piece is provided with an oscillator side cavity used for embedding the oscillator structure and a horn side cavity used forembedding the horn structure. According to the loudspeaker, the magnetic conductive connecting piece is adopted, and the oscillator structure and the loudspeaker structure are combined together to form an integral structure, so that the loudspeaker is simple in structure and has the sense of wholeness. Besides, the oscillator structure and the horn structure are arranged back to back, and when the loudspeaker is used, audios are output in opposite directions and do not interfere with each other. In addition, the vibrator inner cover and the horn shell form the connecting groove, so that the installation is easy, and the maintenance is convenient. According to the dual-function earphone, the sound guide hole is formed in the side edge, close to the earhole, of the horn shell, so that a sound path of horn playing can be converted to face the earhole, and the horn can be played into the earhole more easily.

The invention discloses a device and method for adding desulfurization ash to slag before grinding. The device comprises a plough-shaped cutting mechanism, a discharging mechanism and a splayed collection mechanism, wherein the plough-shaped cutting mechanism comprises a horned shell with the front portion larger than the rear portion, the rear end of the horned shell is opposite to the moving direction of a feeding belt, the bottom surface of the horned shell is arranged above the feeding belt and parallel to the feeding belt, and the two sides of the horned shell are spaced from the two sides of the feeding belt; the discharging mechanism is arranged right in front of the horned shell and comprises a silo and a discharging cylinder; the splayed collection mechanism is arranged right in front of the discharging mechanism and located on the upper surface of a slag layer, the splayed collection mechanism comprises a first collection board and a second collection board which are arranged into a splayed form, and a trapezoid opening with the front portion smaller than the rear portion is formed between the first collection board and the second collection board. By the adoption of the device and method, desulfurization ash can be added during feeding before slag grinding.

The invention relates to the technical field of sound equipment. The invention relates to sound equipment, in particular to portable multifunctional sound equipment. Which comprises a shell, the top of the shell is fixedly connected with a handle; the inner side of the shell is fixedly connected with a fixed plate; a wireless charging mechanism is arranged at the top of the fixed plate; a heat dissipation mechanism is arranged at the joint of the bottom end of the wireless charging mechanism and the fixed plate; the left side, the right side and the front side of the shell are in bolted connection with a plurality of loudspeakers; a damping base is arranged at the bottom of the shell. According to the invention, the heat dissipation mechanism is arranged; the wireless charging mechanism can be cooled; meanwhile, the heat dissipation of the whole device can be realized. Therefore, the charging efficiency is improved; the service life of the device is prolonged, a mobile phone can be charged by arranging a wireless charging mechanism, great convenience is brought to outdoor exercise and entertainment of a user, the sound box can be more stable during working by arranging a damping base, the tone quality of the sound box is improved, and the user can obtain better experience.

The invention relates to a production system for automatic assembling of an automobile horn assembly. The production system comprises a main mold circulating device, a horn shell conveying device, aninsulating part assembling and correcting device, a rubber part and screw automatic assembling device and a finished product collecting device, wherein the horn shell conveying device is positioned onthe right side of the main mold circulating device, and the insulating part assembling and correcting device, the rubber part and a screw automatic assembling device, and the finished product collecting device are positioned above the main mold circulating device and the front and back sides in sequence from right to left. The main mold circulating device adopts a concentric-square-shaped guide sliding groove, so that automatic assembling of horn shells through a tool module is realized one by one; the multi-correction (including correction of the horn shell, an insulating part and a screw) of the insulating part assembling and correcting device and the rubber part and screw automatic assembling device is carried out, so that the assembly accuracy is guaranteed; and the simplified designof the finished product collecting device is achieved, so that a finished product can be smoothly slid into a finished product collection box or a finished product transportation belt. According to the production system, a reliable technical scheme is provided for automatic assembling of the rubber part, the screw and the horn shell, and not only is the production efficiency improved, but also thenumber of workers of an enterprise is reduced, and the production cost is reduced.

The invention relates to a tweeter part assembly system, and belongs to the category of mechanical equipment. The tweeter part assembly system is composed of a horn shell pressing device, a screw assembly and tightening device, a rubber pad assembling device and a screw removing device. The horn shell pressing device is located above a horn shell tool die slide way, the screw assembly and tightening device is located in front of the horn shell pressing device, a rubber mat upwards-jacking device is located below a bottom plate of the horn shell tool die slide way, and the screw removing deviceis located on a left side plate of the horn shell tool die slide way. According to the tweeter part assembly system, a screw surrounding correction manner is applied to the screw assembly and tightening device, the screw position can be effectively corrected, the screw removing device can effectively remove defective screws not entering insulating members on horn shells, and the defective screwscan be automatically collected and processed. The tweeter part assembly system can realize automatic assembly of rubber pads, the screws and the horn shells, and a reliable technical solution is provided for improving the factory automation production degree.

The invention discloses an auscultation visualization system. The system comprises the following structures: a controller is integrated in a shell, a loudspeaker is embedded in the shell, a display screen is embedded in the front face of the shell, and the controller is sequentially connected to an audio sensor and a receiver through wires; the receiver continuously collects breath sound or heartsound of a patient and transmits collected sound signal to the audio sensor; the audio sensor converts the sound signal into an audio electric signal and transmits the audio electric signal to the controller; the controller converts the audio signal into an oscillogram, displays the oscillogram on the display screen and plays the audio signal through the loudspeaker; and the controller compares the oscillogram corresponding to the audio signal with the corresponding pathological audio oscillogram, judges the similarity between the audio signal oscillogram and the corresponding pathological audio oscillogram, and displays the pathological audio oscillogram corresponding to the similarity reaching a set threshold value on the display screen when the similarity reaches the set threshold value, wherein the pathological audio oscillogram comprises a pathological breath sound oscillogram or a pathological heart sound oscillogram.

A thin- walled conical energy absorbing box imitating a yak horn structure is composed of bionic ribbed pipe, bionic inner pipe, inner and out layer foamed aluminum layered pipe, outer layer foamed aluminum, inner layer foamed aluminum and connecting rib. Bionic ribbed tube is designed based on the yak horn shell surface protruding along the length direction, and the cross-sectional size graduallybecomes larger from top to bottom, which has a good energy dissipation effect step by step. Bionic inner tube, outer aluminum foam, inner aluminum foam and inner aluminum foam separator are combinedto form a foam aluminum filled biomimetic core. The foam aluminum filled core is divided into high density aluminum foam and low density aluminum foam, which is designed to simulate the variation of yak horn density along the radial gradient. The invention applies the gradient intensity, the gradient density and the surface morphology characteristics in the horn structure to the design of the thin-wall energy absorbing box, greatly improves the bearing capacity and the energy absorbing characteristic of the energy absorbing device in the collision process, and simultaneously achieves the purpose of lightweight.

The broadband high-gain double-ridge horn antenna comprises a horn shell, a waveguide section, an upper ridge, a lower ridge, a coaxial feeder line and the dielectric lens, the bottom end of the horn shell is connected with the opening end of the waveguide section, the upper ridge and the lower ridge are fixed to the two opposite side walls of the horn shell respectively, the two ridges are the same in structure, and the coaxial feeder line is arranged on the waveguide section. A ridge line of the waveguide section comprises a straight line section and a curve section, the curve section adopts a cubic Bezier curve, the coordinate value of a control point of a tail end point of the curve is larger than that of a tail end point of the curve, the coaxial feeder line penetrates through the top end of the waveguide section and is connected with the upper ridge and the lower ridge, the dielectric lens is arranged at an opening in the top end of the loudspeaker shell, and the waveguide section is of a cubic structure. A wedge-shaped structure cavity which is integrally formed and manufactured is formed in the body; the dielectric lens is a convex-plane lens, and one side of the convex surface faces the inner cavity of the loudspeaker shell. Through unique design of the form and the structure of the antenna, the problems of the frequency bandwidth and the directional diagram bandwidth of the antenna are solved.

The invention discloses a flanging-preventing horn of an automobile. The flanging-preventing horn comprises an upper horn shell and a lower horn shell. An upper connecting edge is arranged on the upper horn shell, and a lower connecting edge is arranged on the lower horn shell. The upper connecting edge and the lower connecting edge are fixedly connected through a plurality of fixing bolts and fixing nuts. A horn mouth communicated with an inner cavity of the lower horn shell is formed in one side of the lower horn shell, the outer side of the upper connecting edge and the outer side of the lower connecting edge are covered with two semicircular U-shaped flanging-preventing clamping blocks, and clamping grooves matching the upper connecting edge and the lower connecting edge are formed in the inner sides of the two semicircular U-shaped flanging-preventing clamping blocks. A plurality of bolt fixing holes matching the fixing bolts are evenly formed in the two semicircular U-shaped flanging-preventing clamping blocks, and an annular sealing gasket is arranged in the position, between the upper connecting edge and the lower connecting edge, in the two semicircular U-shaped flanging-preventing clamping blocks.

The invention discloses a film coating device, which comprises a bottom plate, a drainage pool and an immersion pool are arranged on the bottom plate, a liquid inlet pipe is arranged at the end of the dipping pool, a filter screen is set inside the liquid inlet pipe, and a filter net is set on the bottom plate. There is a support rod, the end of the support rod is provided with a top plate, the lower end of the top plate is provided with a connecting rod, the lower end of the connecting rod is provided with a guide wheel, the support rod is provided with a traction wheel, and the traction The pulley is docked with the guide wheel, and the traction wheel and the guide wheel are wound with a backguy, one end of the backguy is a free end, and the other end of the backguy is provided with a suction cup, and the suction cup is arranged in the dipping tank. The invention can pour the paste polyvinyl chloride resin liquid into the dipping tank through the liquid inlet pipe, and can place the metal horn shell in the dipping pool, thereby conveniently coating the surface of the metal horn shell, and the coating efficiency is greatly improved.

The invention discloses an automobile waterproof horn with balanced internal and external pressure, which comprises a horn shell, a horn body, a first pressure balancing mechanism and a second pressure balancing mechanism. The horn body is fixedly mounted in the horn shell, and the horn shell is provided with a first air hole and a second air hole at an interval; the first pressure balance mechanism is located in the first air hole and comprises a first balance plate, a first torsional spring and a first baffle, and the second pressure balance mechanism is located in the second air hole and comprises a second balance plate, a second torsional spring and a second baffle. Due to the fact that the first balance plate and the second balance plate seal the first air hole and the second air hole, water cannot easily enter the horn shell to affect the horn body, and the waterproofness of the automobile waterproof horn with balanced internal and external pressure is improved.

The double-ridge horn antenna comprises a horn shell, a waveguide section, an upper ridge, a lower ridge and a coaxial feeder line, the bottom end of the horn shell is connected with the waveguide section, the upper ridge and the lower ridge are fixed to the inner walls of the two opposite side walls of the horn shell respectively, the upper ridge and the lower ridge are the same in structure, and the coaxial feeder line is arranged between the upper ridge and the lower ridge. A ridge line of the waveguide section comprises a straight line section and a curve section, the curve section adopts a cubic Bezier curve, the coordinate value of a control point of a tail end point of the curve is larger than that of a tail end point of the curve, the coaxial feeder line penetrates through the top end of the waveguide section, an inner conductor and an outer conductor of the coaxial feeder line are connected with an upper ridge and a lower ridge respectively, and the waveguide section is of a cubic structure. A wedge-shaped structure cavity which is integrally formed and manufactured is formed in the body; the widths of the upper ridge and the lower ridge gradually change from EF to EH in the length direction of the ridges. Through the unique design of the antenna form and structure, the problems of antenna frequency bandwidth and directional diagram bandwidth are solved, the antenna gain is greatly improved, and the structure is relatively simple.

The invention discloses a heat dissipation horn shell. The shell comprises a loudspeaker shell, a first connection sealing mechanism, a second connection sealing mechanism, a first heat dissipation mechanism, a second heat dissipation mechanism and a third heat dissipation mechanism, a mounting opening is formed in the upper wall of the horn shell; the bottom end of the wall body of the horn shellis of an opening structure; the first connection sealing mechanism is arranged at the upper end in the horn shell; the mounting hole is formed corresponding to the mounting hole in the upper wall ofthe horn shell; the second connecting and sealing mechanism is correspondingly arranged at an opening in the bottom end of the wall body of the horn shell; the first heat dissipation mechanisms are uniformly arranged on the inner wall of the horn shell; the heat dissipation horn shell has the advantages that the operation is simple, the fast, firm and tight installation and the butt joint with theshell body can be realized, the disassembly and the maintenance are convenient, the multiple thorough and efficient heat dissipation is realized, the efficient operation of a device is ensured, and the heat dissipation use requirements are met.

The invention relates to an extra-high-power self-flying resonant-cavity sound-wave soot blower. The soot blower comprises a positioning pull rod, a compression air cylinder installed on the positioning pull rod, a horn shell and a resonant part. The small diameter end of the horn shell is fixedly connected with the outer wall of the compression air cylinder, a compression air inlet pipe is arranged at the right end of the compression air cylinder, and the left end of the compression air cylinder is open; the resonant part comprises a resonant cylinder with the sealed left end and a center rodwhich extends in the resonant cylinder, and the left end of the center rod is fixedly connected with the left end of the resonant cylinder; a fixing part is arranged in the compression air cylinder and comprises a first horizontal segment, a first conical segment, a second horizontal segment and a second conical segment from left to right in sequence, a first gap is formed between the outer diameter of the first horizontal segment and the inner diameter of the compression air cylinder; a second gap is formed between the outer diameter of the second horizontal segment and the inner diameter ofthe compression air cylinder, an air distribution hole is formed in the end face of the second horizontal segment, a semi-circular bulb is arranged at the tail end of the second conical segment and right faces the compression air inlet pipe, and the right end of the center rod extends out of the resonant cylinder and is fixedly connected with the left end face of the first horizontal segment of the fixing part.