阅读说明：本技术 轨道车辆隔音包间及轨道车辆 (Rail vehicle gives sound insulation and bordure and rail vehicle ) 是由 李莉 王新颖 陶桂东 鲍腾飞 刘升春 刘贺 张苗苗 魏玲玲 孙林峰 张国安 于 2020-11-30 设计创作，主要内容包括：本发明提供一种轨道车辆隔音包间及轨道车辆,隔音包间包括：间隔相对设置的第一横向隔音间壁和第二横向隔音间壁,两个横向间壁的远离侧墙一侧的纵向隔音间壁,以及连接在三个间壁的顶部的隔音吸声顶板,第一横向隔音间壁与侧墙的连接处设置有隔热材,第二横向隔音间壁与侧墙的连接处设置有侧墙墙板；第一横向隔音间壁与隔热材的连接处设有可调节密封隔音梁,其包括第一安装梁,第一安装梁构造有安装腔,第一安装梁朝向第一横向隔音间壁的一侧构造有与安装腔连通的开口,安装腔中铺设有柔性的吸音材,第一横向隔音间壁抵靠吸音材。本发明解决了乘客在卧铺上翻身、说话声等对相邻包间噪声干扰的问题。(The invention provides a railway vehicle sound insulation compartment and a railway vehicle, wherein the sound insulation compartment comprises: the sound insulation and sound absorption device comprises a first transverse sound insulation dividing wall, a second transverse sound insulation dividing wall, a longitudinal sound insulation dividing wall and a sound insulation and sound absorption top plate, wherein the first transverse sound insulation dividing wall and the second transverse sound insulation dividing wall are oppositely arranged at intervals; first horizontal syllable-dividing next door is equipped with adjustable sealed sound proof roof beam with the junction of thermal-insulated material, and it includes first installation roof beam, and first installation roof beam is constructed has the installation cavity, and first installation roof beam is constructed towards one side of first horizontal syllable-dividing next door and is had the opening that communicates with the installation cavity, and the installation cavity middle berth is equipped with the flexible material of inhaling, and first horizontal syllable-dividing next door supports to lean on to inhale the material. The invention solves the problem that the noise between adjacent packages is interfered by turning over the body of a passenger on a sleeping berth, speaking voice and the like.)

1. The utility model provides a rail vehicle gives sound insulation and wraps the room, one side and rail vehicle's side wall connection between the package that gives sound insulation, its characterized in that gives sound insulation includes between the package: the sound insulation and sound absorption device comprises a first transverse sound insulation dividing wall, a second transverse sound insulation dividing wall, a longitudinal sound insulation dividing wall and a sound insulation and sound absorption top plate, wherein the first transverse sound insulation dividing wall and the second transverse sound insulation dividing wall are oppositely arranged at intervals, the longitudinal sound insulation dividing wall is connected to one side, far away from the side wall, of the first transverse sound insulation dividing wall and the second transverse sound insulation dividing wall, the sound insulation and sound absorption top plate is connected to the tops of the first transverse sound insulation dividing wall, the second transverse sound insulation dividing wall and the longitudinal sound insulation dividing wall, a heat insulation material is arranged at the connection position of the first transverse sound; the adjustable sealed sound insulation beam comprises a first installation beam, the first installation beam is provided with an installation cavity, one side, facing the first transverse sound insulation dividing wall, of the first installation beam is provided with an opening communicated with the installation cavity, a flexible sound absorption material is paved in the installation cavity, the end portion of the first transverse sound insulation dividing wall extends into the installation cavity and abuts against the sound absorption material, and the first transverse sound insulation dividing wall is connected with the side wall of the first installation beam through a connecting piece.

2. The railway vehicle sound insulation compartment according to claim 1, wherein the first mounting beam comprises a pair of transverse plates and a longitudinal plate connected to ends of the transverse plates, the transverse plates and the longitudinal plate define the mounting cavity, a side wall of one of the transverse plates is provided with an elongated hole extending along a length direction of the first transverse sound insulation wall, and the connecting member passes through the elongated hole to connect the first transverse sound insulation wall with the first mounting beam.

3. The railway vehicle sound-insulating compartment according to claim 1, wherein the longitudinal sound-insulating partition walls include compartment-side and corridor-side longitudinal partition walls that are disposed in spaced opposition, and a T-shaped sound-insulating beam connected in the middle between the compartment-side and corridor-side longitudinal partition walls, a horizontal section of the T-shaped sound-insulating beam being connected to the compartment-side longitudinal partition walls, and a vertical section of the T-shaped sound-insulating beam being connected to the corridor-side longitudinal partition walls;

the longitudinal sound insulation partition walls are positioned at the two longitudinal sides of the T-shaped sound insulation beam to form compartment door mounting spaces respectively.

4. The railway vehicle sound-insulating compartment according to claim 3, wherein the compartment-side longitudinal partition wall and the first transverse sound-insulating partition wall are of an integral composite structure.

5. The railway vehicle sound-proof booth according to claim 3, further comprising a booth door, and a booth wall panel located on the same side as the longitudinal sound-proof partition walls with a booth door installation space therebetween, wherein one end of the booth door is slidably provided in the booth door installation space between the booth-side longitudinal partition wall and the corridor-side longitudinal partition wall, and the other end of the booth door is slidably provided in an open groove of the booth wall panel;

the inter-room wallboard comprises a sound-insulation vibration-reduction wallboard and a sound-absorption material arranged in the sound-insulation vibration-reduction wallboard.

6. The railway vehicle sound-insulating compartment according to claim 1, wherein one of the first transverse sound-insulating partition wall and the second transverse sound-insulating partition wall is a hollow sandwich sound-insulating partition wall, and the other is a composite sound-insulating partition wall; the sound insulation partition wall of the hollow interlayer comprises a pair of composite sound insulation partition walls arranged in parallel, and a sound absorption material layer and an air layer which are arranged between the pair of composite sound insulation partition walls;

the composite sound insulation partition wall comprises a partition wall panel, a back plate, a pair of partition wall sound insulation layers and a sound absorption core material, wherein the partition wall sound insulation layers are respectively attached to the inner side surfaces of the partition wall panel and the back plate, and the sound absorption core material is filled in the pair of partition wall sound insulation layers.

7. The railway vehicle sound insulation compartment as claimed in claim 3, wherein the T-shaped sound insulation beam comprises a second mounting beam, a perforated sound absorption plate surrounding a mounting space with the second mounting beam, and a sound absorption material filled in the mounting space, and a sound insulation and vibration reduction coating is arranged between the sound absorption material and the periphery of the mounting space.

8. The railway vehicle sound-insulating compartment according to claim 1, wherein the joints of the sound-insulating and sound-absorbing roof panel and the first transverse sound-insulating partition wall, the second transverse sound-insulating partition wall and the longitudinal sound-insulating partition wall are connected by a sound-absorbing and sound-insulating beam;

the sound absorption sound insulation roof beam includes L type installation roof beam and the perforation acoustic panel of L type, the perforation acoustic panel of L type with L type installation roof beam butt joint forms the packing space, it has the sound material of inhaling to fill in the packing space, L type installation roof beam with between the roof and L type installation roof beam with it all is equipped with syllable-dividing damping coating to inhale between the sound material.

9. The railway vehicle sound-proof compartment according to any one of claims 1 to 8, wherein a composite sound-proof door is hinged on the second transverse sound-proof partition wall, and a door frame sealing structure is arranged between the composite sound-proof door and each of the door frame and the door sill;

the composite soundproof door includes a pair of door panels, a core material disposed between the pair of door panels, base plates attached to opposite sides of the core material, and a door soundproof layer formed between the base plates and the door panels.

10. A rail vehicle comprising a rail vehicle sound insulation package according to any one of claims 1-9.

Technical Field

The invention relates to the technical field of railway vehicles, in particular to a railway vehicle sound insulation compartment and a railway vehicle.

Background

With the rapid development of the rail transit industry in China, the requirements for developing sleeper motor train units are more and more urgent. In order to improve the riding comfort of the sleeper motor train unit, the problems of noise interference between adjacent packages caused by possibly speaking sounds and passengers turning over on the sleeper and the like of the sleeper motor train unit are one of the key and difficult problems of noise resolution of the sleeper motor train unit.

Disclosure of Invention

The invention provides a sound insulation compartment of a railway vehicle, which is used for solving the problem of noise interference between adjacent compartments in the prior art and successfully solving the problem of noise interference between adjacent compartments caused by speaking sound, turning over of passengers on a sleeper and the like.

The invention provides a sound insulation compartment of a railway vehicle, wherein one side of the sound insulation compartment is connected with a side wall of the railway vehicle, and the sound insulation compartment comprises: the sound insulation and sound absorption device comprises a first transverse sound insulation dividing wall, a second transverse sound insulation dividing wall, a longitudinal sound insulation dividing wall and a sound insulation and sound absorption top plate, wherein the first transverse sound insulation dividing wall and the second transverse sound insulation dividing wall are oppositely arranged at intervals, the longitudinal sound insulation dividing wall is connected to one side, far away from the side wall, of the first transverse sound insulation dividing wall and the second transverse sound insulation dividing wall, the sound insulation and sound absorption top plate is connected to the tops of the first transverse sound insulation dividing wall, the second transverse sound insulation dividing wall and the longitudinal sound insulation dividing wall, a heat insulation material is arranged at the connection position of the first transverse sound; the adjustable sealed sound insulation beam comprises a first installation beam, the first installation beam is provided with an installation cavity, one side, facing the first transverse sound insulation dividing wall, of the first installation beam is provided with an opening communicated with the installation cavity, a flexible sound absorption material is paved in the installation cavity, the end portion of the first transverse sound insulation dividing wall extends into the installation cavity and abuts against the sound absorption material, and the first transverse sound insulation dividing wall is connected with the side wall of the first installation beam through a connecting piece.

According to the sound insulation compartment for the railway vehicle, the first mounting beam comprises a pair of transverse plates and a longitudinal plate, the transverse plates and the longitudinal plate are oppositely arranged, the longitudinal plate is connected to the ends of the transverse plates, the transverse plates and the longitudinal plate enclose the mounting cavity, a long round hole extending along the length direction of the first transverse sound insulation partition wall is formed in the side wall of one transverse plate, and the connecting piece penetrates through the long round hole to connect the first transverse sound insulation partition wall and the first mounting beam.

According to the railway vehicle sound insulation compartment provided by the invention, the longitudinal sound insulation partition wall comprises a compartment-side longitudinal partition wall and a corridor-side longitudinal partition wall which are oppositely arranged at intervals, and a T-shaped sound insulation beam connected to the middle part between the compartment-side longitudinal partition wall and the corridor-side longitudinal partition wall, wherein the horizontal section of the T-shaped sound insulation beam is connected with the compartment-side longitudinal partition wall, and the vertical section of the T-shaped sound insulation beam is connected with the corridor-side longitudinal partition wall;

the longitudinal sound insulation partition walls are positioned at the two longitudinal sides of the T-shaped sound insulation beam to form compartment door mounting spaces respectively.

According to the sound insulation compartment of the railway vehicle, the longitudinal compartment wall on the compartment side and the first transverse sound insulation compartment wall are of an integrated composite structure.

The railway vehicle sound insulation compartment further comprises a compartment door and a compartment wall plate, wherein the compartment wall plate is located on the same side with the longitudinal sound insulation partition wall, a compartment door installation space is reserved between the longitudinal sound insulation partition wall and the longitudinal sound insulation partition wall, one end of the compartment door is slidably arranged in the compartment door installation space between the compartment-side longitudinal partition wall and the corridor-side longitudinal partition wall, and the other end of the compartment door is slidably arranged in an open groove of the compartment wall plate;

the inter-room wallboard comprises a sound-insulation vibration-reduction wallboard and a sound-absorption material arranged in the sound-insulation vibration-reduction wallboard.

According to the sound insulation compartment of the railway vehicle, one of the first transverse sound insulation partition wall and the second transverse sound insulation partition wall adopts a hollow interlayer sound insulation partition wall, and the other one adopts a composite sound insulation partition wall; the sound insulation partition wall of the hollow interlayer comprises a pair of composite sound insulation partition walls arranged in parallel, and a sound absorption material layer and an air layer which are arranged between the pair of composite sound insulation partition walls;

the composite sound insulation partition wall comprises a partition wall panel, a back plate, a pair of partition wall sound insulation layers and a sound absorption core material, wherein the partition wall sound insulation layers are respectively attached to the inner side surfaces of the partition wall panel and the back plate, and the sound absorption core material is filled in the pair of partition wall sound insulation layers.

According to the sound insulation compartment of the railway vehicle, the T-shaped sound insulation beam comprises a second mounting beam, a perforated sound absorption plate and a sound absorption material, wherein the perforated sound absorption plate and the second mounting beam enclose a mounting space, the sound absorption material is filled in the mounting space, and sound insulation and vibration reduction paint is arranged between the sound absorption material and the periphery of the mounting space.

According to the sound-proof bag room of the railway vehicle, the joints of the sound-proof and sound-absorbing top plate, the first transverse sound-proof partition wall, the second transverse sound-proof partition wall and the longitudinal sound-proof partition wall are connected through the sound-proof and sound-proof beams;

the sound absorption sound insulation roof beam includes L type installation roof beam and the perforation acoustic panel of L type, the perforation acoustic panel of L type with L type installation roof beam butt joint forms the packing space, it has the sound material of inhaling to fill in the packing space, L type installation roof beam with between the roof and L type installation roof beam with it all is equipped with syllable-dividing damping coating to inhale between the sound material.

According to the sound insulation compartment of the railway vehicle, provided by the invention, the second transverse sound insulation partition wall is hinged with the composite sound insulation door, and door frame sealing structures are arranged between the composite sound insulation door and the door frame as well as between the composite sound insulation door and the door threshold;

the composite soundproof door includes a pair of door panels, a core material disposed between the pair of door panels, base plates attached to opposite sides of the core material, and a door soundproof layer formed between the base plates and the door panels.

The invention further provides a railway vehicle which comprises the railway vehicle sound insulation compartment.

According to the sound insulation compartment of the railway vehicle, the sound insulation and noise reduction structures are adopted on the front surface, the rear surface, the left surface, the right surface and the top surface of the sound insulation compartment, so that the sound insulation quantity is improved, and sound leakage is avoided; the problem of noise interference between adjacent packages caused by speaking sound and passengers turning over on a sleeping berth is solved successfully; and through being constructed with the installation cavity at first installation roof beam, one side of first installation roof beam orientation first horizontal syllable-dividing next door is constructed with the opening that communicates with the installation cavity, the installation cavity middle berth is equipped with flexible sound material of inhaling, the tip of first horizontal syllable-dividing next door extends into the installation cavity and supports and lean on and inhale the sound material, through setting up flexible sound material of inhaling, make first horizontal syllable-dividing next door installation time transversely have certain regulation surplus, inhale the sound material through the compression, the effect that gives sound insulation promotes greatly, it is sealed to have closely given sound insulation between first horizontal syllable-dividing next door and side wall.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic top view of a railway vehicle sound isolation booth provided by the present invention;

FIG. 2 is a schematic view of the adjustable sealing sound-proof beam in the sound-proof enclosure of the railway vehicle provided by the present invention;

FIG. 3 is a schematic view of the adjustable sealed sound-insulating beam provided by the present invention at the first mounting beam;

FIG. 4 is a schematic cross-sectional view of a T-shaped soundproof beam provided by the invention;

FIG. 5 is a schematic cross-sectional view of another angle at the T-shaped acoustical beam provided by the present invention;

FIG. 6 is a schematic cross-sectional view of a T-shaped sound-insulating beam according to the present invention;

FIG. 7 is a schematic cross-sectional view of the sound absorption and insulation beam installed on the top plate according to the present invention;

FIG. 8 is a schematic cross-sectional view of the sound absorbing and insulating beam of FIG. 7;

FIG. 9 is a schematic view of the composite soundproof door according to the present invention showing the structure at the door sill;

FIG. 10 is a schematic view of the composite soundproof door provided by the invention showing the structure at the door frame;

FIG. 11 is a schematic cross-sectional view of a composite soundproof door provided by the present invention;

FIG. 12 is a schematic sectional view showing the structure of a sound-insulating partition wall of a hollow sandwich provided by the present invention;

FIG. 13 is a schematic sectional view showing the structure of a composite soundproof wall provided by the present invention;

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Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The railway vehicle sound insulation package of the present invention is described below with reference to fig. 1-13.

The invention provides a sound insulation compartment of a railway vehicle, which can be understood that one side of the sound insulation compartment is connected with the side wall of the railway vehicle to form a sleeping berth space.

It will be understood that the term "transverse" is used hereinafter to refer to the width direction of the rail vehicle and that "longitudinal" is used to refer to the length direction of the rail vehicle.

As shown in fig. 1, specifically, the soundproof package includes: the sound insulation and noise reduction device comprises a first transverse sound insulation partition wall 1-1 and a second transverse sound insulation partition wall 1-2 which are oppositely arranged at intervals, a longitudinal sound insulation partition wall 2 connected to one side, far away from a side wall, of the first transverse sound insulation partition wall 1-1 and the second transverse sound insulation partition wall 1-2, and a sound insulation and sound absorption top plate 5 connected to the tops of the first transverse sound insulation partition wall 1-1, the second transverse sound insulation partition wall 1-2 and the longitudinal sound insulation partition wall 2, namely, five surfaces of the front, the rear, the left, the right and the top of the sound insulation bag room are of sound insulation and noise reduction structures to improve sound insulation amount and avoid sound leakage; the problem of noise interference between adjacent packages caused by speaking voice and passengers turning over on a sleeping berth is solved successfully.

Furthermore, a heat insulation material is arranged at the joint of the first transverse sound insulation dividing wall 1-1 and the side wall, the heat insulation material comprises two layers, namely a first heat insulation material 23 and a second heat insulation material 24 which are transversely arranged, the sound insulation and heat insulation effects are good, a side wall wallboard 6 is arranged at the joint of the second transverse sound insulation dividing wall 1-2 and the side wall, and by arranging the side wall wallboard 6, local thickening of the side wall is facilitated, so that the second transverse sound insulation dividing wall 1-2 is convenient to install and does not weaken the structure of the side wall. The sound-insulation vibration-damping coating 26 is sprayed on the back of the side wall wallboard 6, so that the noise caused by the vibration of the side wall wallboard 6 due to the fact that the noise outside the vehicle is transmitted into a compartment is effectively reduced.

In order to facilitate the installation of the first transverse sound-insulating partition wall 1-1, as shown in fig. 2 and 3, an adjustable sealing sound-insulating beam 8 is arranged at the joint of the first transverse sound-insulating partition wall 1-1 and the heat insulating material, specifically, the adjustable sealing sound-insulating beam 8 comprises a first mounting beam 22, the first mounting beam 22 is configured with a mounting cavity, one side of the first mounting beam 22 facing the first transverse sound-insulating partition wall 1-1 is configured with an opening communicated with the mounting cavity, a flexible sound-absorbing material 10 is laid in the mounting cavity, the end of the first transverse sound-insulating partition wall 1-1 extends into the mounting cavity and abuts against the sound-absorbing material 10, the first transverse sound-insulating partition wall 1-1 is installed with a certain adjustment allowance in the transverse direction by arranging the flexible sound-absorbing material 10, the sound-insulating effect is greatly improved by compressing the sound-absorbing material 10, and the tight sound-insulating seal between the first transverse sound-insulating partition wall 1-1 and the side wall, the first transverse sound-insulating partition wall 1-1 is connected to the side wall of the first mounting beam 22 by a connecting member such as a bolt, ensuring the stability of the first transverse sound-insulating partition wall 1-1 after mounting.

According to the sound insulation compartment of the railway vehicle, the first mounting beam 22 comprises a pair of transverse plates and a longitudinal plate, the transverse plates are oppositely arranged, the longitudinal plate is connected to the ends of the transverse plates, a groove-shaped structure is formed, a notch is opposite to the first transverse sound insulation partition wall 1-1, the distance between the transverse plates is matched with the width of the first transverse sound insulation partition wall 1-1, the transverse plates and the longitudinal plate define a mounting cavity, the side wall of one transverse plate is provided with a long circular hole extending along the length direction of the first transverse sound insulation partition wall 1-1, a connecting piece penetrates through the long circular hole to connect the first transverse sound insulation partition wall 1-1 with the first mounting beam 22, and the position of the connecting piece is convenient to adjust to adapt to the end position of the first transverse sound insulation partition wall 1-1 through the long circular hole.

According to the soundproof compartment for a railway vehicle of the present invention, as shown in fig. 4 to 6, the longitudinal soundproof wall 2 includes a compartment-side longitudinal wall 3 and a corridor-side longitudinal wall 4 which are oppositely disposed at an interval, and a T-shaped soundproof beam 9 connected to the middle between the booth-side longitudinal partition walls 3 and the corridor-side longitudinal partition walls 4, as shown in fig. 5, the horizontal section of the T-shaped soundproof beam 9 is connected to the bag-side longitudinal partition wall 3, the vertical section of the T-shaped soundproof beam 9 is connected to the corridor-side longitudinal partition wall 4, by dividing the longitudinal sound-insulating partition wall 2 into two parts of the booth-side longitudinal partition wall 3 and the corridor-side longitudinal partition wall 4, and a T-shaped sound-insulating beam 9 is arranged between the compartment-side longitudinal partition wall 3 and the corridor-side longitudinal partition wall 4 to divide the space between the compartment-side longitudinal partition wall 3 and the corridor-side longitudinal partition wall 4 into two parts, thereby facilitating the installation of other components such as two compartment doors 7 between adjacent compartments. The T-shaped sound insulation beam 9 separates the compartment doors 7 of the adjacent compartments, so that the problems of crosstalk and sound insulation between the double-pull doors are solved.

As shown in fig. 4, in particular, the longitudinal soundproof partitions 2 are located at both longitudinal sides of the T-shaped soundproof beam 9 to form the installation spaces of the booth doors 7, respectively, and the booth doors 7 of the adjacent booth are correspondingly installed in the installation spaces of the booth doors 7 of the corresponding side.

According to the sound insulation compartment of the railway vehicle, as shown in fig. 1 and 4, the longitudinal partition wall 3 on the compartment side and the first transverse sound insulation partition wall 1-1 are of an integral composite structure, so that an integral structure is formed, the sealing performance is better, and the sound insulation effect is further improved.

According to the sound-proof compartment of the railway vehicle provided by the invention, referring to fig. 1, the sound-proof compartment of the railway vehicle further comprises a compartment door 7 and a compartment wall plate 11 which is positioned at the same side with the longitudinal sound-proof partition wall 2 and has a compartment door 7 installation space between the longitudinal sound-proof partition wall and the longitudinal sound-proof partition wall, wherein one end of the compartment door 7 is slidably arranged in a compartment door 7 installation space between the compartment-side longitudinal partition wall 3 and the corridor-side longitudinal partition wall 4, and the other end of the compartment door 7 is slidably arranged in an open slot of the compartment wall plate 11; in order to ensure the sealing effect, a sealing rubber strip may be provided between the booth door 7 and the installation space of the booth door 7.

Specifically, the inter-bay wall panel 11 includes a sound-insulating vibration-damping wall panel and a sound-absorbing material 10 provided in the sound-insulating vibration-damping wall panel to improve the sound-insulating amount of the inter-bay and also to solve the problem of crosstalk and sound insulation between adjacent inter-bay walls.

In order to solve the noise interference between two bunks caused by passengers on a sleeper, according to the sound-proof bunks for railway vehicles provided by the invention, one of the first transverse sound-proof partition wall 1-1 and the second transverse sound-proof partition wall 1-2 adopts a hollow interlayer sound-proof partition wall 13, and the other adopts a composite sound-proof partition wall 14; as shown in fig. 12 and 13, the hollow sandwich sound-insulating partition wall 13 includes a pair of composite sound-insulating partition walls 14 arranged in parallel, and a sound-absorbing material 10 and an air layer 17 provided between the pair of composite sound-insulating partition walls 14, and a sound-insulating vibration-damping paint 26 is provided on the inner side of the composite sound-insulating partition walls 14; adopt cavity intermediate layer sound insulation next door 13 to cut off the sound bridge or adopt compound sound insulation next door 14 separation sound bridge, effectively promote the volume of giving sound insulation about 8 ~ 10dB, avoid louing, solve the noise interference between two packages that the passenger probably arouses on the sleeping berth.

Further, as shown in fig. 13, the composite sound-insulating partition 14 includes a partition panel 18 and a back plate 20 which are disposed to face each other, a pair of partition sound-insulating layers 19 which are respectively attached to inner surfaces of the partition panel 18 and the back plate 20, and a sound-absorbing core 21 which is filled in the pair of partition sound-insulating layers 19, and can increase partition sound-insulating amount by 4 to 5dB, and effectively realize sound absorption and noise reduction.

According to the sound insulation compartment of the railway vehicle provided by the invention, as shown in fig. 6, the T-shaped sound insulation beam 9 comprises a second mounting beam 30, a perforated sound absorption plate 25 enclosing a mounting space with the second mounting beam 30 and a sound absorption material 10 filled in the mounting space, wherein a sound insulation and vibration reduction coating 26 is arranged between the sound absorption material 10 and the periphery of the mounting space, specifically, the second mounting beam 30 is configured into a rectangular frame body with an opening at one side, the perforated sound absorption plate 25 is arranged at the opening side of the rectangular frame body, thereby enclosing into the installation space for filling the sound absorbing material 10, the whole structure has good sound insulation effect, for the convenience of installation, the side of the second installation beam 30 departing from the opening is provided with the L-shaped connecting beam 34, the vertical section of the L-shaped connecting beam 34 is fixed with the side of the second installation beam 30 departing from the opening, the horizontal section of the L-shaped connecting beam 34 is approximately flush with the plane of the second installation beam 30, the reliability of the connection of the T-shaped soundproof beams 9 with the longitudinal soundproof partitions 2 can be further enhanced by the L-shaped connecting beams 34.

As shown in fig. 7, in order to solve a weak link of sound insulation at a joint between a compartment partition wall and a top plate 5, according to the sound insulation compartment of a railway vehicle provided by the invention, joints of the sound insulation and sound absorption top plate 5, a first transverse sound insulation partition wall 1-1, a second transverse sound insulation partition wall 1-2 and a longitudinal sound insulation partition wall 2 are connected through a sound absorption and sound insulation beam 12, so that the similar sound insulation amount sealing of the periphery is realized, and the crosstalk of two compartments and the transmission of outside noise to the inside of the compartment are effectively blocked.

Further, referring to fig. 8, the sound absorption and insulation beam 12 includes an L-shaped mounting beam 35 and an L-shaped perforated sound absorption plate 25, the L-shaped perforated sound absorption plate 25 and the L-shaped mounting beam 35 are butted to form a square-shaped filling space, sound absorption materials 10 are filled in the filling space, and sound insulation and vibration reduction coatings 26 are respectively disposed between the L-shaped mounting beam 35 and the top plate 5 and between the L-shaped mounting beam 35 and the sound absorption materials 10 to form a composite sound absorption and insulation structure, so that effective sound absorption, noise reduction and sound insulation are realized. Effectively reduce the noise of the outside of the vehicle and transmit into the compartment, and simultaneously reduce the noise caused by the vibration of the top plate 5.

According to the sound insulation compartment of the railway vehicle, as shown in fig. 1, a composite sound insulation door 15 is hinged on a second transverse sound insulation partition wall 1-2, and as shown in fig. 9 and 10, a door frame sealing structure 16 is arranged between the composite sound insulation door 15 and a door frame 28 as well as between the composite sound insulation door and a door sill 27; in other words, the composite soundproof door 15 and the second transverse soundproof wall 1-2 achieve effective sealing between the door and the box compartment wall by the door frame sealing structure 16, the doorsill 27, and the door frame 28. The door frame sealing structure 16 is made of sealing rubber strips, is embedded on a door frame 28 or a threshold 27 section bar, and the section, the wall thickness and the hardness of the rubber strips are key control parameters for realizing effective sealing and are selected according to actual requirements.

Specifically, as shown in fig. 11, composite soundproof door 15 includes a pair of door panels 31, a core 33 provided between the pair of door panels 31, substrates 29 attached to opposite sides of core 33, and a door soundproof layer 32 formed between substrate 29 and door panel 31, core 33 being a sound absorbing core, and door panel 31 as a whole being of a sound absorbing structure, and increasing partition wall soundproof amount by 4 to 5 dB.

The invention further provides a railway vehicle which comprises the railway vehicle sound insulation compartment. The problem of sleeping train unit probably have the sound of speaking, passenger turn over on the sleeping berth etc. to adjacent inter-packet noise interference is solved, realize providing comfortable, silence environment of taking a bus for the passenger.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.