158 results about "Sound production" patented technology

This utility model discloses a sound-generating device and electronic device, relating to the field of electroacoustic transduction technology. The sound-generating device includes a mounting component, a magnetic circuit system, a vibration system, and a rear cover. The mounting component has a first end and a second end connected together, and a mounting cavity is formed within the mounting component. The magnetic circuit system is disposed within the mounting cavity and has a magnetic gap. The vibration system includes a diaphragm and a voice coil connected to the diaphragm. The periphery of the diaphragm is connected to the first end and is opposite to and spaced from the magnetic circuit system. A first rear cavity communicating with the magnetic gap is formed between the diaphragm and the magnetic circuit system. The end of the voice coil furthest from the diaphragm is suspended within the magnetic gap. The rear cover is connected to the second end and is opposite to and spaced from the magnetic circuit system. A second rear cavity is formed between the rear cover and the magnetic circuit system. A ventilation channel communicating with the first and second rear cavities is formed between the mounting component and the magnetic circuit system. This utility model's sound-generating device effectively reduces the product's F0 (Fever), improves the product's power handling capacity, and enhances acoustic performance.

The utility model provides a kind of electric water heater and its electric leakage alarm system, and electric leakage alarm system includes anti-electricity wall cover shell and sound production module, anti-electricity wall cover shell is configured to be connected with the shell body of electric water heater, the sound guide hole is provided on the anti-electricity wall cover shell;Sound production module is configured to emit electric leakage alarm sound, the sound production module is installed in the anti-electricity wall cover shell and corresponds to the sound guide hole.The utility model sets up sound guide hole on anti-electricity wall cover shell, and the sound production module for emitting electric leakage alarm sound is installed in anti-electricity wall cover shell and corresponds to the position of sound guide hole, since when installing electric water heater, anti-electricity wall cover shell is not blocked, therefore, electric leakage alarm sound can be propagated to external space through the sound guide hole of anti-electricity wall cover shell, improve warning effect, avoid the appearance of security risk.

The utility model discloses a sound unit, including basin frame, diaphragm subassembly and front cover, the basin frame includes ring frame part, the ring frame part has the convex ring that protrudes outward, the convex ring surrounds ring frame part, the diaphragm subassembly includes the sound film with outer fixed part, the outer fixed part includes the first department and the second department of being linked, the first department is ring frame shape, the second department sets up along the outer edge of first department, the first department is bonded with the top surface of ring frame part, the second department is bonded with the circumference wall surface of ring frame part, the front cover has the enclosing wall of setting on the second department, the convex ring extrudes the second department, to make the second department and the enclosing wall contact surface form the sealed reinforcing area of ring frame shape. The sound unit structure novel, can increase diaphragm subassembly radiation area while, still can keep good waterproof performance sound unit.

The utility model discloses a sound unit and sound module, sound unit includes basin frame, front cover and sound film, the sound film has the outer fixed part, the top surface of outer fixed part is bonded with the front cover, the bottom surface of outer fixed part is bonded with the top surface of basin frame, the outer edge of outer fixed part has the upper extension of going up extension and the lower extension of going down extension, the upper extension is bonded with the outer wall of front cover, and the lower extension is bonded with the outer wall of basin frame. Outer fixed part has the lower extension of bonding with the outer wall of basin frame, and also has the upper extension of bonding with the outer wall of front cover, and the bonding sealing area of lower extension and basin frame and the bonding sealing area of upper extension and front cover are increased simultaneously, which greatly improves the waterproof performance of sound unit.

The application discloses a sound production monomer and an electronic device. The sound production monomer comprises a magnetic circuit system, a vibration system and a shell. The magnetic circuit system comprises a magnetic yoke and a magnet assembly arranged on the magnetic yoke. The magnet assembly forms a magnetic gap. The magnet assembly comprises a first magnet, a second magnet, a third magnet and a fourth magnet. The first magnet and the third magnet are magnetized along a second direction and the magnetization directions are opposite. The second magnet and the fourth magnet are magnetized along a first direction. The first direction is perpendicular to the second direction. The polarity of the magnetic pole of the second magnet facing the first magnet is the same as the polarity of the magnetic pole of the first magnet close to the magnetic gap. The polarity of the magnetic pole of the fourth magnet facing the third magnet is the same as the polarity of the magnetic pole of the third magnet close to the magnetic gap, so that the magnet assembly forms a magnetic field enhancement side facing the magnetic gap. The vibration system comprises a diaphragm and a flat voice coil. The magnet assembly forms a magnetic field enhancement side facing the magnetic gap, which improves the magnetic field driving force and the acoustic performance of the loudspeaker.

The present application belongs to the technical field of intelligent teaching, and particularly relates to a teaching quality evaluation method and system based on deep learning. The method comprises extracting feature data to be evaluated from normal speech, evaluating the feature data to be evaluated by using a speech evaluation model to generate an evaluation result, and determining the quality grade of the normal speech according to the evaluation result, wherein the feature extraction from noise speech and noise speech comprises extracting amplitude information and frequency information from a sound production section. The present application performs screening on teaching speech to identify abnormal sound sections; through voiceprint comparison, the teaching speech in which the abnormal sound sections that can match the pre-stored voiceprint are classified as noise speech, and the teaching speech that cannot be matched is classified as noise speech, so as to distinguish the noise speech originating from the background environment from the noise speech originating from the teaching subject, overcome the evaluation error problem caused by regarding the two as noise without distinction, and lay a data foundation for subsequent evaluation.

The present application relates to epidemic prevention communication technology field, especially to a duplex cluster communication interaction method and system and epidemic prevention helmet, which comprises: using the air guide pickup component arranged in the helmet body to obtain the voice signal of the wearer, and outputting the audio signal through the air guide sound production component arranged in the helmet body; performing echo cancellation and noise reduction processing on the obtained audio signal; using an adaptive filtering algorithm to suppress the acoustic feedback between the air guide pickup component and the air guide sound production component; based on a distributed channel access mechanism, allocating communication resources for multiple communication nodes to access in duplex; relying on a mesh self-organizing network topology without a central node to perform multi-hop forwarding and route maintenance of data packets, solving the problems of unclear communication, howling and signal attenuation in the strong noise, wind noise and shielding scene in the epidemic prevention helmet, effectively guaranteeing the clarity, stability and safety of cluster communication in harsh working environment.

This invention discloses a sound-generating unit and a sound-generating module, relating to the field of electroacoustic energy conversion technology. The sound-generating unit includes a housing, a magnetic circuit system, and a vibration system. The magnetic circuit system is connected to the housing and forms two magnetic gaps. The vibration system includes a voice coil and a first diaphragm, an isolation diaphragm, and a second diaphragm sequentially spaced along a first direction within the housing. A first rear cavity is formed between the isolation diaphragm and the first diaphragm, and a first front cavity is formed between the isolation diaphragm and the second diaphragm. The housing has a first front cavity acoustic hole communicating with the first front cavity and a first rear cavity acoustic hole communicating with the first rear cavity. This ensures that the total effective vibration area of ​​the sound-generating unit is the sum of the effective vibration areas of the first and second diaphragms, thereby increasing the effective vibration area of ​​the vibration system without increasing the product size.

The present disclosure relates to a kind of under-screen sounding structure and terminal, sounding structure includes sounding diaphragm, display screen module and support structure, along the thickness direction of display screen module, sounding diaphragm is located between support structure and display screen module, sounding diaphragm is set to the back side of display screen module.In this sounding structure, sounding diaphragm is used to realize under-screen sounding, so any position of screen can hear sound, improve user experience.Moreover, the sounding structure uses sounding diaphragm to replace conventional screen exciter, not only can reduce the occupation of stacking space in the thickness direction of terminal, also need not to open the avoiding hole in the support structure of terminal, guarantee the structure strength of support structure, in turn guarantee the structure strength of the terminal of installing this sounding structure, improve the ability of bending and anti-deformation of whole machine.In addition, since avoiding hole is not needed in support structure, it is also easier to improve the dustproof and waterproof performance of whole machine.

An inverted magnetic circuit ultra-thin car horn includes a frame, a spider, a diaphragm, a voice coil, a suspension system, and a magnetic circuit system. The magnetic circuit system includes a main magnet, a secondary magnet, a U-shaped iron, a washer, and a bullet-shaped head. The magnetic circuit system is inverted and installed above the suspension system, and is fixed by screws. The frame is made of die-cast aluminum and supports the suspension system and the magnetic circuit system. The suspension system includes a spider, a diaphragm, and a voice coil, and the voice coil is spaced with the magnetic circuit system to drive sound production. The installation depth of the horn is less than 43mm. This utility model has a novel structure and ingenious design. By installing the magnetic circuit system above the suspension system with an inverted magnetic circuit structure, it breaks through the traditional height limitation of "suspension system + magnetic circuit system" for horns, meeting the needs of scenarios with strict requirements for installation depth, such as ceiling speakers, wall speakers, and car audio systems.

The utility model discloses a sound unit, including the basin frame and the magnetic circuit component, is equipped with the exposed window on the basin frame, the magnetic circuit component has the magnetic gap, the magnetic circuit component includes the side huasi, the side huasi includes the body and the flanging of being linked, the flanging is set up to the exposed window, is equipped with the air hole of the flanging and is connected with the magnetic gap of outside, this sound unit structure is novel, and the side huasi adds the flanging and utilizes the flanging to isolate the sound absorption particle, has cancelled the setting of the mesh / metal screen, has simplified the structure and the assembly process of sound unit, is favorable to improve the production efficiency of sound unit, reduces the assembly cost of sound unit.

The present disclosure discloses an earphone including a sound production component and a suspension structure. A first sound guiding hole and a second sound guiding hole are disposed on the sound production component, wherein the first sound guiding hole is configured to guide a first sound transmitted to an inside of an ear canal of a user; the second sound guiding hole is configured to communicate an inside of the sound production component with an outside of the sound production component and guide a second sound transmitted to a spatial position outside the sound production component. The suspension structure is configured to place the sound production component on an ear of the user and provide an opening between the sound production component and an opening of the ear canal of the user for acoustic communication with the spatial position outside the sound production component.

1. The name of the design product: electric vehicle sound device. 2. The use of the design product: for electric vehicles, play a sound warning role. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. Other components that need to be explained: components 1, 2 and 3 are sound device housings, and components 1, 2 and 3 are assembled into a whole. 6. Other information that needs to be explained: the rear view, left view and right view of component 3 are the same as the front view of component 3, and the rear view, left view and right view of component 3 are omitted.

The utility model relates to electronic equipment technical field, especially a kind of sound production device and earphone. The sound production device includes shell, nylon net and silica gel net, the shell is provided with sound production hole, installation cavity is formed at the sound production hole;The nylon net is clamped in the installation cavity, and the nylon net completely covers the sound production hole;The silica gel net is set to the side of the nylon net away from the sound production hole, the silica gel net is clamped in the installation cavity, and the silica gel net completely covers the nylon net. The earphone includes the sound production device described above. The earphone of the above-mentioned sound production device can effectively prevent dirt from entering the sound production hole of the earphone, which is beneficial to ensure the cleanliness of the sound production hole of the earphone and prolong the service life of the earphone.

The application discloses a vibrating sound production device and electronic equipment. The vibrating sound production device comprises a shell, a sound production unit and a vibrating unit. The sound production unit comprises a magnetic circuit system and a vibrating system matched with the magnetic circuit system. The magnetic circuit system is hollowly arranged to define a mounting hole. The vibrating system comprises a vibrating diaphragm assembly and a voice coil. The vibrating diaphragm assembly surrounds the outer periphery of the vibrating unit. The vibrating diaphragm assembly comprises a vibrating plate, a first folded ring and a second folded ring. One end of the voice coil is connected with the vibrating plate. The other end of the voice coil is inserted into a magnetic gap of the magnetic circuit system. The first folded ring extends along a horizontal direction and is arranged on the side of the vibrating plate away from the vibrating unit. The second folded ring extends along a vertical direction and is arranged on the side of the vibrating plate close to the vibrating unit. One end of the second folded ring is connected with the vibrating plate. According to the vibrating sound production device, the second folded ring is arranged along the vertical direction, thereby prolonging the arrangement length of the vibrating plate, increasing the radiation area of the vibrating plate and improving the medium frequency sensitivity of the sound production unit.

The embodiment of the application relates to the technical field of robot control, and particularly relates to a robot multi-cavity sound production device.The device comprises a control module and at least one sound production module; the control module comprises a processor and a signal driver; the sound production module comprises a vibration module and an acoustic cavity in communication with the vibration module; the sound production module is in communication connection with the signal driver of the control module through a cable or a wireless communication module, the vibration module is arranged to be driven by the control module to generate an initial sound wave, the acoustic cavity is arranged to acoustically process the initial sound wave, and when the sound production module is multiple, the multiple sound production modules are arranged at different positions of a head, a neck or a trunk of a robot body respectively.The device can simulate the spatial listening of human sound production and the sound characteristics of the common sound production of multiple positions, enhances the authenticity of robot sound production, makes the robot output have natural human voice characteristics, enhances the immersion and naturalness of human-computer interaction, and improves the interaction experience.

This utility model belongs to the field of projector technology, and discloses a speaker vibration damping structure, a speaker enclosure, and a projector. The speaker vibration damping structure includes a speaker body and a damping component. A damping component is disposed on one side of the speaker body. The damping component includes two symmetrically arranged damping diaphragms, spaced at a preset distance. The area between the two damping diaphragms is aligned with the voice coil of the speaker body, so that the sound waves generated by the voice coil vibration can be absorbed by the two symmetrically arranged damping diaphragms. Through this arrangement, when the voice coil vibrates, the sound waves emitted by the voice coil vibration can be transmitted to the two damping diaphragms via two separate paths. The two damping diaphragms can simultaneously absorb the sound waves, thereby reducing the impact of the sound waves on the enclosure and support plate. This reduces the vibration of the enclosure and support plate, further improving the vibration damping effect of the speaker vibration damping structure, enhancing the sound production and vibration damping effect of the speaker enclosure, and improving the user experience of the projector.

The application discloses a sound production method of an intelligent error correction guitar, and relates to the technical field of guitars. The intelligent error correction guitar comprises a control module, an audio playing module, a pressing string sensor group and a plucking string sensor group. When the intelligent error correction guitar works, the control module is used for receiving a pressing string combination signal collected by the pressing string sensor group and a plucking string source signal collected by the plucking string sensor group. When the control module receives the signal of the pressing string sensor group, the control module is matched with a preset pressing string combination in the control module. Meanwhile, the control module receives the plucking string source signal of the plucking string sensor group. According to the matched pressing string combination and the plucking string source signal, the control module specifies a corresponding audio file to be played through the audio playing module. The application can correct errors, reduce the difficulty of playing, make the guitar playing easy and simple to use.

The utility model relates to a player technical field especially relates to a kind of outdoor player of simulation bird call.A kind of outdoor player of simulation bird call includes the host module of the docking cover being provided with top and the sound production component being detachably connected with the host module;The sound production component includes upper cover, lower cover and power-on sound production module and spring needle.The utility model is set up and is used to emit bird call sound for the sound production component, attracts pet attention or trains pet, and sound production component and host module are independently designed, and it is convenient to dismount and install, when sound production component appears damage, can directly replace new accessory, sound production component and host module are connected between through spring needle, realize power-on control, compared with conventional wire connection, the advantage of spring needle lies in accurate contact and save space, adapt to the circuit intercommunication between miniaturization equipment, waterproof sealing strip is clamped in spring needle slot and plays sealing effect to spring needle, prevent external moisture from entering component inside.

The utility model relates to production fixed tool technical field, concretely is a kind of fixed tool for sound production.The utility model includes frame, the outer surface of frame one side is equipped with placing groove, the outer surface top of frame is equipped with button slot, display slot and loudspeaker slot, button slot, display slot and loudspeaker slot are all linked with placing groove, the outer surface of frame is equipped with rectangular clamping slot in the two sides adjacent to placing groove, the outer surface of frame is equipped with stabilizing device in the two sides, the side of frame adjacent to stabilizing device is equipped with anti-dislocation device, the anti-dislocation device includes first rectangular groove, under the action of baffle and fixed plate, can make that sound is more stable in placing groove, simultaneously through the effect of first threaded rod and stabilizing plate can make that baffle and fixed plate use more convenient and perfect, simultaneously under the action of balance plate and rectangular rubber block make that frame is more stable when using.

This invention discloses a loudspeaker and a speaker enclosure. The loudspeaker includes a magnetic circuit system and a vibration system. The magnetic circuit system includes a magnet, a magnetic core, and a washer. The magnet has a cavity extending through it along a first direction. The magnetic core is inserted into the magnet, and a magnetic gap is formed between the outer peripheral wall of the magnetic core and the cavity wall. Washers are disposed on both sides of the magnet. Two vibration systems are respectively disposed opposite each other on both sides of the magnetic circuit system along the first direction. Each vibration system includes a voice coil, which is sleeved outside the magnetic core. A portion of the voice coil from each of the two vibration systems is respectively inserted into the magnetic gap. This loudspeaker achieves dual-sided sound production by sharing a single magnetic circuit system to simultaneously drive two oppositely disposed vibration systems. The structure is compact. The two vibration systems share the same magnetic circuit system, ensuring that both voice coils are in a uniform magnetic field environment within the same magnetic gap. This reduces the phase difference and frequency response deviation of the dual-sided sound production of the two vibration systems, improving the sound quality of the coordinated sound production.

The application discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic conversion. In the sound production device, a first plate part and a second plate part of a vibration plate of a vibration system are located at different horizontal planes, and the second plate part is located at the inner side of a voice coil and is in abutting arrangement with the inner peripheral wall of the voice coil. First and second magnetic circuit components of a magnetic circuit system are located at opposite sides of a diaphragm component. The first magnetic circuit component forms a Halbach magnetic array. The magnetic field strengthening side of the Halbach magnetic array faces the side close to the diaphragm component. The auxiliary magnet of the first magnetic circuit component is arranged in a magnetic gap. The second center magnetic part of the second magnetic circuit component is arranged opposite to the first center magnetic part and the projections of the second center magnetic part along the first direction are all located at the inner side of the voice coil. The volume of the second center magnetic part is less than or equal to 1 / 2 of the volume of the front cavity. The sound production device of the application not only increases the volume of the magnet, but also keeps the airflow of the front cavity unobstructed, reduces the sound quality, and thus improves the acoustic performance.

The utility model relates to bluetooth sound box technical field discloses an anti -skidding outdoor bluetooth sound box, including the shell, the shell outer wall both sides are provided with anti -skid subassembly, the shell inner wall is provided with quick detachable subassembly, the anti -skid subassembly includes two fixed end plate, two fixed end plate fixed connection in the shell outer wall both sides respectively, two fixed end plate outer walls all rotatoryly connected with telescopic link, two telescopic link outer wall one side all rotatoryly connected with linkage connecting rod, two linkage connecting rod one end all rotatoryly connected with connecting rod pivot, in the utility model, anti -skid subassembly provides stable support guarantee for outdoor use through ingenious mechanical linkage design, realizes three gear angle adjustment and locking, can adapt to different outdoor topography, such as slope, grassland complex environment, lets the sound box place more stable, collocation antiskid pad increases friction, effectively avoids the sound box to slide, to fall damage because of external force, guarantees the sound box stable sound production under the outdoor scene.

The utility model relates to diaphragm technical field, concretely is a kind of novel elastic composite flat diaphragm, the flat diaphragm includes support and diaphragm component, hollow hole is opened in the support, the diaphragm component is fixed on support, and hollow hole is completely shielded, the diaphragm component includes elastic membrane layer and the metal layer being arranged on the upper and lower ends of elastic membrane layer, electrically conductive coil is arranged at hollow hole on the metal layer, the both ends of electrically conductive coil are all provided with conducting point, and the conducting point and electrically conductive coil are electrically connected, and the protective layer is provided on the end face of electrically conductive coil away from metal layer. The utility model has simple structure, reasonable in design, diaphragm sound production effect is good, service life is long, and electrically conductive coil resistance adjustable, satisfy the use demand of different products, it is worth promoting and using.

The application discloses a sound production device and electronic equipment, and relates to the technical field of electronic equipment. In the sound production device, a magnetic circuit assembly comprises a magnetic yoke, a center magnetic part and a side magnetic part arranged on the magnetic yoke. The center magnetic part comprises a plurality of center magnetic groups arranged at intervals along a second direction. Each center magnetic group comprises a first center magnet, a center dust core and a second center magnet connected in sequence along a first direction. Two side magnets of the side magnetic part are arranged on opposite sides of the center magnetic part along the second direction. The two side magnets and the plurality of center magnetic groups form two magnetic gaps. A vibration assembly comprises a diaphragm and two voice coils connected to the diaphragm. The voice coil has a height along the first direction and a thickness along the second direction. The height is not less than the thickness. Each voice coil is arranged in correspondence with a magnetic gap. A framework is connected to the diaphragm and the voice coil. The first center magnet and the second center magnet have the same magnetic pole close to the center dust core, forming a closed magnetic circuit, increasing the magnetic field strength and improving the magnetic flux density.

The application discloses a sound production module and an electronic device, and belongs to the technical field of electronic product design. The disclosed sound production module comprises a first shell, a sound production body and a gas pressure balancing mechanism. The first shell has a containing cavity. The sound production body divides the containing cavity into a front cavity and a rear cavity. The sound production body comprises a diaphragm, and the gas pressure balancing mechanism is arranged in the rear cavity. In the case that the diaphragm vibrates towards the front cavity, the volume of the gas pressure balancing mechanism increases. In the case that the diaphragm vibrates towards the rear cavity, the volume of the gas pressure balancing mechanism decreases.