33 results about "Noise isolation" patented technology

The utility model relates to a kind of guest room layer backwater circulating water pump noise isolation device, including base, enclosure and top plate, detachably connect between base top and the bottom of enclosure, between the top of enclosure and the bottom of top plate, the circulating water pump to be soundproof is stored in the sealed space formed by the enclosure of base, enclosure and top plate, the left and right sides of enclosure and the top of top plate are respectively provided with the through opening of the pipeline inlet and outlet for circulating water pump connection, detachably connected with sealing cover on through opening, the inside of base, enclosure, top plate and sealing cover is equipped with sound insulation layer;Base top is equipped with heat exchange component, heat exchange component is located in the sealed space formed by the enclosure of base, enclosure and top plate, base bottom is equipped with water storage tank, and water storage tank is communicated with heat exchange component.

The utility model discloses a multi-mode fusion safety protection device in a non-shielding mode. The multi-mode fusion safety protection device comprises double box bodies, a drawer, a white noise generator, a plurality of ultrasonic transmitters, a double-door structure and an incoming call sensing assembly. The double box bodies comprise an outer box body and a middle box body, the middle box body is slidably connected into the outer box body, and an air interlayer is arranged between the outer box body and the middle box body; the drawer is slidably connected into the middle box body through a sliding assembly. The double-door structure is installed at the front end of the drawer and used for sealing the outer box body and the middle box body. Wherein the inner walls of the middle box body and the drawer are respectively provided with a flexible sound insulation layer, and sealing assemblies are respectively arranged between the double-door structure and the front side of the outer box body and between the front sides of the middle box body. White noise and ultrasonic waves can be emitted into the drawer, the noise isolation effect is remarkably improved, information can be effectively prevented from being stolen, and the normal communication function of a mobile phone is guaranteed.

1. Name of the product in this design: Noise-isolating earplugs (adjustable donut style). 2. Purpose of this design: for use as an earplug worn on the ear to isolate sound. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This application relates to a noise isolation device and its arrangement method for a vehicle cab. The noise isolation device for a vehicle cab includes: a basic sound insulation layer assembly and a reinforcing sound insulation layer assembly; one side of the basic sound insulation layer assembly is attached to the vehicle cab's white frame; the reinforcing sound insulation layer assembly is attached to the basic sound insulation layer assembly on a side opposite to the vehicle cab's white frame, and the reinforcing sound insulation layer assembly is arranged in a predetermined area on the basic sound insulation layer assembly. This application arranges the reinforcing sound insulation layer assembly in a predetermined area on the basic sound insulation layer assembly, which allows for effective noise isolation under specific operating conditions by adjusting the arrangement of the reinforcing sound insulation layer assembly, while also avoiding waste of interior materials.

The utility model discloses a green energy-saving insulation board capable of reducing noise, which comprises an insulation board, the surface of the insulation board is respectively provided with a fixing plate, the upper end of the fixing plate is provided with a clamping groove, and the lower end of the fixing plate is correspondingly provided with a clamping plate. According to the green energy-saving heat preservation plate capable of reducing noise, the fixing plates are inserted into the clamping grooves in a penetrating mode through the clamping plates to form a clamping limiting structure, and therefore the clamping plates and the clamping grooves can be used for conveniently and rapidly aligning and assembling multiple sets of heat preservation plates, and meanwhile gaps generated when the heat preservation plates are assembled can be blocked through the clamping plates; the sound insulation damping felt and the fixing plate form a bonding structure through the double faced adhesive tape, so that the noise isolation effect of the heat preservation plate can be further improved through the sound insulation damping felt, and the rubber plate and the heat preservation plate form a clamping limiting structure through the movable groove; and therefore, gaps of the heat preservation plates assembled at the four corners are blocked through the rubber plates, and then the working effect after the heat preservation plates are assembled is guaranteed.

The utility model relates to the technical field of metro decoration construction noise isolation, and discloses a metro decoration construction noise isolation device which comprises a bottom plate and pulley blocks fixedly installed at the lower end of the bottom plate at equal intervals. The bottom plate slides in the stretching direction through the pulley block at the lower end, the inflatable air bag is unfolded, the inflatable air bag is inflated, the inflated inflatable air bag expands due to the inflated air, and at the moment, the inflatable air bag is divided into three layers through the sound insulation plate in the middle of the inflatable air bag; noise can be weakened by the inflatable air bags layer by layer when transmitted outwards through the inflatable air bags, and the noise isolation device for metro decoration construction can be inflated and expanded when needing to be used through cooperation between the inflatable air bags and the sound insulation plates. And when not in use, the sound insulation weight is lighter than that of a traditional fixed plate due to the arrangement of the material, so that the movement is convenient.

A Bluetooth earphone allowing for switching between in-ear and open modes, comprising a sound producing member, an ear hook, and an ear tip, wherein the sound producing member is provided with a sound producing hole, the ear hook is connected to the sound producing member, and in a worn state, the ear hook is configured to wrap around the auricle from the concha of a user so that the sound producing hole is arranged towards the ear canal of the user; the ear tip is detachably connected to the sound producing member and is used for transferring sound passing through the sound producing hole to the ear canal, and when the ear tip is connected to the sound producing member and the earphone in the worn state, the ear tip is configured to fit the ear canal of the user; when the ear tip is separated from the sound producing member and the earphone in the worn state, the sound producing hole is not aligned with the ear canal of the user. By switching the state of the ear tip, the user can select an in-ear mode having a better noise isolation effect or an open mode having a natural sound effect, thereby satisfying audio requirements in different environments.

The invention provides a biasing circuit of a voltage-controlled oscillator and the voltage-controlled oscillator, and belongs to the technical field of integrated circuits, and the biasing circuit comprises a current injection unit which is used for providing injection current; the first filtering unit is connected between the power supply voltage end and the control end of the current injection unit; the input end of the noise isolation unit is connected with injection current, the output end is connected to the voltage-controlled oscillator, and the noise isolation unit is used for providing bias current; and the second filtering unit is connected between the input end of the noise isolation unit and the grounding end. The beneficial effects are that the current injection unit is adopted to directly inject current instead of current mirror current, so that the problem of noise deterioration caused by current mirror overturning is avoided; the noise isolation unit can isolate the influence caused by the noise of the current injection unit; the first filtering unit and the second filtering unit can improve the power supply noise suppression capability of the voltage-controlled oscillator on the biasing circuit; all the units cooperate to jointly improve the bias circuit noise of the voltage-controlled oscillator, and the phase noise performance of the voltage-controlled oscillator is improved.

This invention relates to the field of voiceprint recognition technology, specifically disclosing a federated learning personalized audio monitoring method and system that combines voiceprint recognition. The method includes: extracting feature offsets and marking physiological function deterioration based on these offsets to obtain suspected fatigue segments; establishing a dual-track isolation architecture for read / write isolation by constructing purified fatigue features; collecting speech features for signal-to-noise isolation, verifying identity through core identity deviation and attenuation span, and issuing a degraded monitoring status; triggering federated local fine-tuning under degraded monitoring, and extracting pure upload gradients through an orthogonal projection matrix; and resetting the model by sending gradients to the server for aggregation and issuing low-level instructions to destroy the temporary feature pool after detecting physiological reset. The system includes: a fatigue marking module, an architecture construction module, an identity verification module, a gradient purification module, and a model reset module. This invention is beneficial for improving data purity and identity verification security under fatigue monitoring conditions.

The utility model relates to the technical field of noise isolation, in particular to a building construction noise isolation device which comprises a sound insulation baffle, a plurality of triangular protruding edge strips are arranged on the outer surface of the sound insulation baffle, a containing cavity is formed in the sound insulation baffle, and a liquid adding valve is fixedly connected to the center of the top of one side face of the sound insulation baffle. The sound insulation baffle has the advantages that sound waves conducted to the surface of the sound insulation baffle can be dispersed and reflected back up and down through the triangular convex rib strips on one side face of the sound insulation baffle, then echo and noise increase are prevented, liquid can be injected through the containing cavity, stability is improved, and the sound insulation baffle is convenient to use. Meanwhile, a solid-liquid separation layered structure is formed, so that sound waves need to penetrate through different media when penetrating through, sound wave conduction can be greatly weakened, the noise isolation effect is improved, the position can be conveniently and flexibly moved through universal wheels, a gap between the bottom of the sound insulation baffle and the ground can be effectively pressed and sealed through a flexible rubber sealing plate, and the sound insulation effect is improved. The closed isolation effect is improved.

The invention discloses a modular night construction noise isolation device which comprises a plurality of sound insulation modules placed at set installation positions, each sound insulation module comprises a base storage box, an uninflated flexible inflatable sound insulation wall is placed in the base storage box, the bottom of the flexible inflatable sound insulation wall is fixedly connected with the base storage box, and the bottom of the flexible inflatable sound insulation wall is fixedly connected with the base storage box. The flexible inflatable sound insulation wall is communicated with an air valve, at least one mooring rope is fixed to each of the two faces of the flexible inflatable sound insulation wall, ground anchors are fixed to the bottoms of the mooring ropes, and lug plates with bolt holes are fixed to the two ends of the base storage box respectively; the two adjacent sound insulation modules are fixedly connected in the mode that after the bolt holes of the end lug plates of one sound insulation module and the bolt holes of the end lug plates of the other sound insulation module are aligned up and down, connecting bolts penetrate through the bolt holes and are locked through fastening nuts, and therefore the multiple sound insulation modules are sequentially connected. The flexible inflatable sound insulation wall of each sound insulation module is taken out of the base storage box and then is inflated through an air valve to form a noise isolation device.

This utility model relates to the field of noise control technology, and in particular to a transformer noise isolation device, comprising a housing, the housing being a square frame adapted to a transformer, an opening on the front side of the housing for inserting the transformer, and an internal cavity for storing the transformer inside the housing; it also includes a hinge, a soundproof door panel, and a locking assembly, etc. A soundproof door panel is hinged to one side of the front opening of the housing, and an inner groove adapted to the soundproof door panel is provided at the edge of the front opening of the housing. A locking assembly for locking the soundproof door panel is provided on the housing. This utility model, through the sound insulation layer inside the housing, the high-density multi-layer structure of the soundproof door panel, and the application of a rubber sheet, combined with a fastening component, ensures that the rubber sheet is pressed tightly when the soundproof door panel is closed, thereby minimizing noise leakage from the gap between the door panel and the housing, achieving the effect of isolating transformer noise within the housing.

The invention discloses a trench structure for isolating a low-noise device and a manufacturing method of the trench structure. The manufacturing method comprises the following steps of providing a substrate and forming a first shallow trench and a second shallow trench on the substrate; depositing in the first shallow trench and the second shallow trench to form a second oxide layer; etching the middle part of the first shallow trench to form a deep trench which passes through the second oxide layer and extends into the substrate; performing ion implantation at the bottom of the deep trench to form a junction separation region; forming a third oxide layer in the deep trench and filling the deep trench with polycrystalline silicon; and depositing a fourth oxide layer and carrying out polishing and grinding to realize global leveling above the substrate, and then forming a groove structure. By combining a manufacturing process with a standard shallow trench manufacturing process, the formed trench structure not only retains the advantage of high integration density of shallow trench isolation, but also realizes deep noise blocking through deep trench isolation, and has an excellent low-noise isolation characteristic.

The application discloses a sound isolation method and device based on deep learning and a storage medium. The method comprises the following steps: obtaining an audio file used for constructing a DeepAudioSep model and preprocessing the audio file used for constructing the DeepAudioSep model; constructing the DeepAudioSep model and training the DeepAudioSep model, wherein the DeepAudioSep model comprises one mixed source input and ten isolated source outputs; and performing sound separation through the DeepAudioSep model. The application introduces the data driving and deep learning idea into sound separation and noise isolation processing, improves the sound separation and noise isolation processing capability in the environmental monitoring field, and therefore has wide noise processing prospects and practical value.

This utility model discloses a noise isolation device for transmission pipelines, comprising: a first component including a first connecting part and a first fixing part; and a second component including a second connecting part and a second fixing part. The first connecting part and the second connecting part are rotatably connected so that the first component and the second component together form a receiving hole for fitting the transmission pipeline. The first fixing part and the second fixing part are detachably connected. The noise isolation device for transmission pipelines of this utility model can be easily assembled and disassembled.

The invention discloses a far-field pickup and interference suppression system based on structure and acoustics collaborative optimization, and the system comprises a sound guide structure assembly, a noise isolation assembly, a microphone array, an acoustics processing module, a system control unit, and a structure-acoustics collaborative module. The sound guide structure assembly is integrated on the equipment body and is used for guiding sound waves in a target direction to the microphone array; the noise isolation assembly is arranged between the microphone array and the equipment shell and is used for attenuating structure propagation vibration; and the acoustic processing module is used for carrying out beam forming, noise suppression and echo cancellation processing on audio signals collected by the microphone array. The beneficial effects of the invention are that integrated design is carried out from a physical structure to a processing algorithm, and structural parameters are introduced to an acoustic processing link; dynamic adaptation and joint optimization of hardware characteristics and a software algorithm are realized, so that the quality and robustness of far-field speech capture are fundamentally improved.

One embodiment of the present invention provides an earplug for blocking noise, the earplug comprising: a bridge band which is worn on a user's head by being brought into close contact so as to surround at least a portion of a side of the user's head, and formed to have predetermined elasticity in an inward direction which is the direction pressing the tragi of both ears of a user; and a pair of tragus covers which are coupled to respective ends of the bridge band and press the tragi of the user in the inward direction so that the tragi block the external auditory canals, thereby blocking the transmission of sound wave energy to the external auditory canals, wherein at least one side of the bridge band further includes an auxiliary elastic part for pressing both ends of the bridge band in the directions facing each other.

The utility model relates to the technical field of noise isolation earmuffs, and discloses an adjustable industrial noise isolation earmuff which comprises a safety helmet, the left side and the right side of the safety helmet are both connected with mounting plates through connecting mechanisms, the far sides of the two mounting plates are both fixedly connected with head hoops, the head hoops are connected with adjusting rods through adjusting mechanisms, and the adjusting rods are fixedly connected with the safety helmet. The bottom end of the adjusting rod is rotatably connected with a connecting frame, the bottom end of the connecting frame is provided with a shell, the connecting mechanism comprises a mounting rod, the interior of the mounting rod is slidably connected with an extrusion rod, the exterior of the extrusion rod is fixedly connected with a limiting disc, and the exterior of the extrusion rod is sleeved with a strong spring. Threaded blocks are rotationally connected to the sides, far away from each other, of the multiple extrusion rods. According to the safety helmet, the safety risk that the head of a worker is hit by a falling object due to the fact that the safety helmet is not stably worn or taken down is greatly reduced, and the overall safety of the working environment is improved.

The utility model relates to the technical field of shielding doors, in particular to a high-strength light-weight all-steel sound insulation shielding door which comprises a door frame, a door plate is hinged to the door frame through hinges and comprises a front steel plate and a rear steel plate, the front steel plate is located right in front of the rear steel plate, reinforcing layers are arranged on the opposite side faces of the front steel plate and the rear steel plate, and a sound insulation layer is arranged between the two reinforcing layers. A frame-shaped steel plate is arranged between the front steel plate and the rear steel plate, and the sound insulation layer and the two reinforcing layers are all located in the frame-shaped steel plate. According to the high-strength light-weight all-steel sound insulation shielding door, by arranging the sound insulation layer, the shielding door is excellent in the aspect of effectively isolating airborne noise, the noise control capacity is remarkably improved, and the defect in the aspect of noise isolation in the prior art is overcome; the structural strength and rigidity of the door are ensured, and meanwhile the overall weight of the door is reduced.

The invention belongs to the technical field of building wall reconstruction, and discloses an existing building noise isolation reconstruction wall and a construction method.The existing building noise isolation reconstruction wall comprises a wall body, and a plurality of prefabricated sound insulation plates are installed on the wall body; the sound insulation board comprises a frame keel, and the frame keel is formed by vertically welding and fixing an adjustable transverse keel and a vertical keel with a fixed size. A space defined by the frame keels is filled with a sound insulation layer; the sound insulation layer comprises a sound insulation glass wool layer, an air layer and a sound insulation cotton layer from outside to inside, and porous aluminum plates cover the inner side and the outer side of the sound insulation layer; the sound insulation plates are connected through splicing pieces, the splicing pieces are fixedly connected to the sides, back on to the sound insulation layers, of the frame keels, the spliced pieces in butt joint are fixedly connected with expansion bolts on the wall, and splicing gaps between the adjacent sound insulation plates are filled with polyurethane foam. By the adoption of the sound insulation board with the composite structure and the adjustable transverse length, the site construction amount and construction time can be reduced, the wall thickness can be effectively controlled, and indoor air pollution caused by the fact that paint is painted on the surface layer is avoided.

The embodiment of the invention discloses an open type earphone, a shell is provided with a mounting hole which is communicated with an accommodating cavity and the outside of a sound production part, a cover assembly which can be operated to move relative to the mounting hole is arranged on the sound production part, and the cover assembly has a storage position and an extension position relative to the mounting hole. The length of the cover assembly exposed out of the outer surface of the shell when the cover assembly is located at the extending position is larger than the length of the cover assembly exposed out of the outer surface of the shell when the cover assembly is located at the containing position, an earplug detachably connected with the cover assembly is arranged, and when the cover assembly is located at the extending position, the part, exposed out of the outer surface of the shell, of the cover assembly can be connected with the earplug. Therefore, under the condition of ensuring that the open type earphone has good appearance and sound effect in an open type playing state, a user can conveniently convert the open type earphone into an in-ear type so as to meet the requirement of the user for the sound insulation effect of the earphone in some use scenes; and a good sound effect can be ensured in different modes.

The invention discloses a steel structure fatigue crack monitoring device and method based on a distributed optical fiber sound wave sensing technology, and belongs to the technical field of steel structure health state monitoring, the device structure comprises N optical fiber stress wave sensing units, a signal transmission optical fiber, a distributed optical fiber sound wave demodulator and an upper computer; the optical fiber stress wave sensing unit comprises a cylindrical elastic body, a spiral sensing optical fiber and a noise isolation shell; a spiral sensing optical fiber is wound on the outer side face of the cylindrical elastomer, and the noise isolation shell is used for wrapping the cylindrical elastomer and the spiral sensing optical fiber; the signal transmission optical fiber is connected with the optical fiber stress wave sensing units and the distributed optical fiber acoustic wave demodulator, and the spiral sensing optical fibers in the N optical fiber stress wave sensing units are connected in series; and the upper computer identifies crack initiation and expansion conditions based on the Rayleigh scattering light phase change signal. According to the device and the method, distributed, real-time and high-sensitivity monitoring on fatigue cracks of key parts such as main components and welding seams of a steel structure can be realized.

The utility model relates to machining center technical field discloses a gantry machining center with noise reduction structure, including base, the top of base is provided with the main part, the top of base is provided with the noise reduction mechanism, the surface of main part is provided with processing mechanism, the utility model discloses through setting up sound -absorbing cotton, set up sound -absorbing cotton between protective housing and inner shell, the noise of multilayer structure absorption device uses, will noise be isolated in the device inside, improve device practicality, through setting up buffer sliding slot, in the device use, mechanical vibration is transmitted to the main part bottom, drives the sliding block to slide in buffer sliding slot inner wall, the damper that sets up simultaneously in the both sides of main part will vibrate and absorb, offset the structural vibration of device, prevent structural vibration to accelerate device wear and tear, prolong device life, ensure the structural stability of device use, through setting up spring damper block, spring damper block absorbs the vibration that is transmitted to the main part bottom, reduce the noise that produces when operating, improve device use comfort.

The utility model provides a vibration and noise reduction structure for a chute side plate, which relates to the technical field of noise isolation and comprises the chute side plate, a sound insulation component is arranged on the outer side of the chute side plate, a vibration reduction component is mounted on the inner side of the chute side plate, and the vibration reduction component comprises a vibration reduction pad, a reinforced metal vibration reduction plate, a metal truss and a PU (polyurethane) panel. An anti-vibration pad is installed on the inner side of the chute side plate, a reinforced metal anti-vibration plate is installed on the inner side of the anti-vibration pad, a metal truss is installed on the inner side of the reinforced metal anti-vibration plate, and a PU panel is installed on the inner side of the metal truss. The vibration is effectively absorbed and buffered, then the stability of the structure is enhanced, the influence of the vibration on the device is reduced, through the arrangement of the sound insulation component, noise generated when materials flow in the chute can be effectively absorbed and blocked, and noise transmission is reduced.

The utility model relates to the technical field of power transmission and transformation stations, in particular to an adjustable splicing type noise isolation device for a power transmission and transformation station. An adjustable splicing type noise isolation device for a power transmission and transformation station comprises a base, hollow threaded columns and the like, the top of the base is in threaded connection with the hollow threaded columns, the tops of the hollow threaded columns are fixedly connected with hollow stand columns, installation assemblies are arranged on the hollow stand columns, and sound insulation plates are arranged between the installation assemblies on the adjacent hollow stand columns. The mounting assembly is used for mounting a sound insulation plate, and a limiting assembly is arranged on the mounting assembly. The device can flexibly adjust the number of the hollow stand columns installed on the base, adapt to transformers of different heights, adjust the installation angle of the sound insulation board, adapt to different transformer body types, and the limiting assembly assists in positioning the angle of the rotating sleeve, rotation during installation is avoided, it is guaranteed that the sound insulation board is installed smoothly, device stability is guaranteed, and noise isolation of a power transmission and transformation station is effectively achieved. And the noise reduction effect and practicability are improved.

The utility model discloses a noise insulation device for municipal constructional engineering, and relates to the technical field of municipal constructional engineering, the noise insulation device comprises a plurality of sound insulation protective fences, the sound insulation protective fences comprise bases, the bases are arranged at the lower ends of the sound insulation protective fences, mounting frames are arranged on the bases, and sound insulation assemblies are arranged in the mounting frames. The installation frames are connected through buckle assemblies, and anti-overturning supporting rods are arranged on the two sides of each installation frame. According to the utility model, the sound insulation effect is greatly improved through the multi-layer sound insulation plate consisting of the metal plate, the perforated sound absorption plate, the sound attenuation plate, the sound insulation felt and the sound insulation cotton; by arranging the buckle assemblies, connection between the sound insulation protective fences is faster, and then the mounting and dismounting efficiency is improved; and by arranging the anti-overturning supporting rods, the problem that the sound insulation protective fence is prone to overturning under the action of wind in windy weather is solved.

The invention discloses an HPC-DPCC composite structure with sound stealth performance and impact resistance and a preparation method and application thereof, and relates to the technical field of materials. The HPC-DPCC composite structure comprises a plurality of single-layer plates, and a heating network structure is arranged between every two adjacent single-layer plates. The single-layer plate is prepared from an HPC-DPCC composite material, and the HPC-DPCC composite material comprises a temperature acoustic impedance matching material and a multi-layer phase change energy absorption microcapsule layer; the multi-layer phase change microcapsule layer comprises an inner-layer microcapsule, an outer-layer microcapsule coated on the surface of the inner-layer microcapsule and a heat insulation layer coated on the surface of the outer-layer microcapsule. The HPC-DPCC composite structure disclosed by the invention has excellent mechanical property, heat-conducting property and electric conductivity, can remarkably improve the efficiency of noise isolation and impact energy absorption, and is applied to the submarine, so that the submarine has excellent sound stealth performance and impact resistance.

The utility model discloses a sealing shock-absorbing noise-reducing structure for a mining electric vehicle, which comprises a sealing shock absorber, at least two power rods are fixedly arranged on the outer side of the upper half part of the sealing shock absorber and are in a symmetrical state, at least two groups of rotating shafts are fixedly arranged on the outer sides of the lower half parts of the two power rods, and the rotating shafts are arranged on the lower half parts of the two power rods. Each group comprises two rotating shafts, and the outer sides of the rotating shafts are rotationally connected with supporting rods; according to the sound insulation device, the sound insulation assembly is arranged so that noise can be isolated during impact of sealing and damping, the noise reduction effect is achieved, the noise reduction effect of sealing and damping is improved, the supporting rods are arranged so that the sound insulation assembly can be folded and unfolded, noise is isolated, and the noise reduction effect is achieved; and by arranging a sliding groove, a supporting rod can be stored in a moving groove, the closing effect of the sound insulation assembly is better, and therefore the noise reduction effect of sealing and damping is further improved.

The utility model discloses a honeycomb board with good sound absorption effect, including the outer layer, the outer layer includes first sound insulation layer, second sound insulation layer and third sound insulation layer, the back of first sound insulation layer with the front of second sound insulation layer fixed connection, the back of second sound insulation layer with the front of third sound insulation layer fixed connection, the inboard fixed connection of outer layer has honeycomb interlayer, the back fixed connection of honeycomb interlayer has the inner layer. The utility model discloses a first sound insulation layer, second sound insulation layer and third sound insulation layer's cooperation use can isolate the noise of outside, when the noise is too big and will penetrate first sound insulation layer, second sound insulation layer and third sound insulation layer and honeycomb interlayer contact, through honeycomb interlayer again to the noise isolation, and set up first sound absorption layer, second sound absorption layer and third sound absorption layer, through first sound absorption layer, second sound absorption layer and third sound absorption layer again to the noise isolation, improved sound absorption efficiency.

The utility model relates to the technical field of composite wood-plastic floors, and discloses a composite wood-plastic floor with a sound insulation effect. By arranging the shock-absorbing and sound-insulating layer, the strengthening middle layer, the strengthening shock-absorbing layer, the elastic strengthening layer, the middle sound-insulating layer and the sound-insulating rubber layer, the shock-absorbing and sound-insulating layer can effectively reduce transmission of air sound and impact sound and reduce noise rebound, the strengthening middle layer provides overall structural strength for the floor, stability is improved, shock is reduced, and the service life of the floor is prolonged. The reinforcing damping layer can enhance the damping effect of the floor, absorb gait sound and impact force and further reduce noise transmission, the elastic reinforcing layer can enhance elasticity, reduce impact noise and vibration between the floor and the ground and provide comfort, and the middle sound insulation layer can reduce gait sound and vibration sound and improve the overall noise isolation effect. The sound insulation rubber layer can enhance the noise isolation effect, and especially has a remarkable effect on isolation of low-frequency noise and ground vibration.