CN211821265U - Silencer for train mop pool - Google Patents
Silencer for train mop pool Download PDFInfo
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- CN211821265U CN211821265U CN202020349247.5U CN202020349247U CN211821265U CN 211821265 U CN211821265 U CN 211821265U CN 202020349247 U CN202020349247 U CN 202020349247U CN 211821265 U CN211821265 U CN 211821265U
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Abstract
The utility model relates to a silencer used for a train mop pool, which comprises a hollow columnar shell, wherein the inner wall of the shell is uniformly covered with sound absorbing materials, one side of the top of the shell is provided with a silencing inlet, and the bottom of the shell is provided with a silencing outlet which is arranged diagonally to the silencing inlet; a plurality of transverse plates which are parallel to each other are horizontally and fixedly connected in the shell, the transverse plates divide the inner cavity of the shell into a plurality of layers of silencing cavities, and one side of each transverse plate is provided with an overflow channel; the single-layer silencing cavity has the specific structure as follows: along the top surface and the inner bottom surface in the silencing cavity, a plurality of clapboards are arranged at intervals in a vertically staggered manner, and the clapboards divide the silencing cavity into a plurality of latticed silencing chambers. The utility model discloses a establish ties this muffler in the overflow pipeline, weaken the phenomenon of whistling by a wide margin, and need not to change original pipeline structure during this muffler installation, do not influence the normal overflow function of overflow pipeline, can also weaken the rivers sound that the overflow process produced, reduce the influence of mop pond underwater system noise to the carriage environment by a wide margin, promote the train and take experience.
Description
Technical Field
The utility model belongs to the technical field of the muffler technique and specifically relates to a muffler for train mop pond.
Background
Along with the rapid development of railways and various high-quality and rapid services, people go out more and more conveniently. In order to provide good riding experience for passengers and ensure the cleanness and tidiness of the whole environment in a train carriage, a plurality of carriages of a train are provided with mop pools which are convenient for crew members to clean in time. In order to protect the natural environment along the railway, the ash water after the cleaning tools are washed is discharged into a collecting box below the train through a pipeline. In order to prevent water in the mop pool from overflowing, the mop pool is provided with an overflow pipe orifice which is communicated with the collecting box. When a train runs at a high speed or enters a tunnel, due to the pressure difference between the inside and the outside of the train, the whistle can continuously occur at the overflow pipe orifice of the mop pool, and the train riding experience is influenced.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a silencer for a train mop pool, so that the noise generated by the train mop pool during the operation of the train is reduced, and the train riding experience is improved.
The utility model discloses the technical scheme who adopts as follows:
a silencer for a train mop pool comprises a shell, wherein the shell is of a hollow columnar structure, sound-absorbing materials are uniformly covered on the inner wall of the shell, a silencing inlet is formed in one side of the top of the shell, and a silencing outlet which is arranged diagonally to the silencing inlet is formed in the bottom of the shell; a plurality of transverse plates which are parallel to each other are horizontally and fixedly connected in the shell, the transverse plates divide the inner cavity of the shell into a plurality of layers of silencing cavities, and one side of each transverse plate is provided with an overflow channel; the single-layer silencing cavity has the specific structure as follows: along the top surface and the inner bottom surface in the silencing cavity, a plurality of clapboards are arranged at intervals in a vertically staggered manner, and the clapboards divide the silencing cavity into a plurality of latticed silencing chambers.
The further technical scheme is as follows:
the silencing inlet and the silencing outlet are both vertically arranged tubular structures; the outer wall of the silencing inlet is fixedly connected with the shell in a sealing way, one end of the silencing inlet is communicated with an overflow water source through a pipeline, and the other end of the silencing inlet extends into the shell; the outer wall of the silencing outlet is also fixedly connected with the shell in a sealing way, one end of the silencing outlet is communicated with the collecting box through a pipeline, the other end of the silencing outlet penetrates through the shell, and the pipe orifice is flush with the inner bottom surface of the shell covered with the sound-absorbing material;
the number of the transverse plates is even, the overflow channels of the adjacent transverse plates are arranged in a diagonal manner, and the overflow channels of the transverse plates adjacent to the top of the shell are arranged in a diagonal manner with the silencing inlet;
the overflow channel comprises a plurality of overflow through holes which are vertically arranged at intervals;
the heights of all the silencing cavities are the same;
the length of the partition board is less than the height of the silencing cavity, one end of the partition board is vertically and fixedly connected with the inner wall of the silencing cavity, a gap is arranged between the other end of the partition board and the inner wall of the silencing cavity, and adjacent silencing chambers are communicated through the gap;
the specific structure of the single partition plate is as follows: the sound absorption core plate is vertically and fixedly connected with the inner wall of the sound absorption cavity, and the outer surface of the core plate is uniformly covered with sound absorption materials;
one end of the clapboard adjacent to the silencing inlet is fixedly connected with the inner top surface of the shell; one end of the baffle plate adjacent to the silencing outlet is fixedly connected with the inner top surface of the silencing cavity where the silencing outlet is positioned;
the partition plates in the single silencing cavities are distributed at equal intervals, so that the volumes of the silencing chambers in the same layer of silencing cavity are the same;
the partition plates in each sound-deadening cavity are distributed at intervals which are gradually increased from top to bottom layer by layer, and the number of the partition plates in each sound-deadening cavity is more than one.
The utility model has the advantages as follows:
the utility model discloses rational in infrastructure, simple to operate establishes ties this muffler in the overflow pipeline through under mop pond water system, reduce by a wide margin because of the high-speed operation of vehicle produces the atmospheric pressure difference, and lead to mop pond overflow mouth to send the phenomenon of the sound of howling, and need not to change original pipeline structure during this muffler installation, do not influence the normal overflow function of overflow pipeline, can also weaken the rivers sound that the overflow process produced, reduce the influence of mop pond water system noise to the carriage environment by a wide margin, promote the train and take experience.
The utility model discloses compare prior art and still have following specific advantage:
the silencer structure: the positions of the transverse plates are reasonably arranged, the inner cavity of the shell is divided layer by layer to form a plurality of silencing chambers, and the positions of the partition plates are reasonably arranged to divide the silencing chambers into a plurality of silencing chambers, so that a latticed roundabout silencing channel is formed, and the silencing effect is good; the installation interval of the partition plates is adjusted along with the attenuation degree of the wind speed, so that the partition plates are compact and reasonable, and the material consumption is reduced; the transverse plate is provided with an overflow channel for providing a gas flow channel and simultaneously keeping the original overflow function; the inner cavity of the shell and the core plate are covered with sound-absorbing materials, so that the noise reduction performance is further improved; the original structure of the pipeline is not affected by the installation of the silencer, the practicability is high, and the adaptability is strong;
the silencer function: the high-speed air flow generator can simultaneously reduce the squeaking sound generated by high-speed air flow and the flowing water noise generated by overflowing water, and meanwhile, the internal circuitous structure prevents the high-speed flowing air flow from directly impacting a pipeline, so that the use safety of the pipeline is protected.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic view of the installation structure of the present invention.
Wherein: 1. a muffler; 2. a mop pool; 3. an overflow line; 4. a sewer pipeline; 5. the bottom surface of the carriage; 6. a collection box; 7. an exhaust pipe; 8. a protection device;
101. a sound deadening inlet; 102. a housing; 103. a sound absorbing material; 104. a transverse plate; 105. an overflow channel; 106. a sound-deadening outlet; 107. a partition plate; 108. a sound-deadening chamber; 109. a sound deadening chamber;
201. an overflow port; 202. a tank body; 203. a water outlet;
1051. an overflow through hole;
1071. a core board.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the utility model comprises a shell 102, the shell 102 is a hollow column structure, the inner wall of the shell 102 is uniformly covered with sound absorbing material 103, a silencing inlet 101 is arranged on one side of the top of the shell 102, and a silencing outlet 106 arranged diagonally to the silencing inlet 101 is arranged on the bottom of the shell 102; a plurality of parallel transverse plates 104 are horizontally and fixedly connected inside the shell 102, the inner cavity of the shell 102 is divided into a plurality of layers of silencing cavities 108 by the transverse plates 104, and one side of each transverse plate 104 is provided with an overflow channel 105; the single-layer silencing cavity 108 has the following specific structure: several partitions 107 are installed along the inner top and bottom surfaces of the silencing cavity 108 in a staggered manner, and the partitions 107 divide the silencing cavity 108 into several latticed silencing chambers 109.
The silencing inlet 101 and the silencing outlet 106 are both vertically arranged tubular structures; the outer wall of the silencing inlet 101 is fixedly connected with the shell 102 in a sealing way, one end of the silencing inlet 101 is communicated with an overflow water source through a pipeline, and the other end of the silencing inlet 101 extends into the shell 102; the outer wall of the sound attenuation outlet 106 is also fixedly connected with the shell 102 in a sealing way, one end of the sound attenuation outlet 106 is communicated with the collection box through a pipeline, the other end of the sound attenuation outlet 106 penetrates through the shell 102, and the pipe orifice is flush with the inner bottom surface of the shell 102 covered with the sound absorption material 103. The number of the transverse plates 104 is even, the overflow channels 105 of the adjacent transverse plates 104 are arranged diagonally, and the overflow channels 105 of the transverse plates 104 adjacent to the top of the shell 102 are arranged diagonally with respect to the silencing inlet 101. The overflow channel 105 comprises a plurality of overflow through holes 1051 arranged vertically at intervals. The height of each muffling chamber 108 is the same. The length of the partition 107 is less than the height of the silencing cavity 108, one end of the partition 107 is vertically and fixedly connected with the inner wall of the silencing cavity 108, a gap is arranged between the other end of the partition 107 and the inner wall of the silencing cavity 108, and the adjacent silencing chambers 109 are communicated through the gap. The specific structure of the single partition 107 is: comprises a core plate 1071 vertically fixed on the inner wall of the sound-absorbing cavity 108, and the outer surface of the core plate 1071 is also uniformly covered with the sound-absorbing material 103. One end of the partition 107 adjacent to the silencing inlet 101 is fixedly connected with the inner top surface of the shell 102; one end of partition 107 adjacent to sound-deadening outlet 106 is fixedly attached to the inner top surface of sound-deadening chamber 108 in which sound-deadening outlet 106 is located. The partition plates 107 in the single silencing cavities 108 are distributed at equal intervals, so that the volumes of the silencing chambers 109 in the same layer of silencing cavities 108 are the same. The partition boards 107 in each sound-deadening cavity 108 are distributed at intervals which are gradually increased from top to bottom layer by layer, and the number of the partition boards 107 in each sound-deadening cavity 108 is more than one.
The utility model discloses a concrete installation and working process as follows:
as shown in fig. 2, the silencer 1 is installed in a mop pool launching system, the mop pool launching system comprises a mop pool 2, the mop pool 2 comprises a pool body 202, an overflow port 201 is arranged at one position of the top end of the side wall of the pool body 202, and a launching port 203 is arranged at one position of the bottom of the pool body 202. The sewer port 203 is communicated with the collecting box 6 through a sewer pipeline 4, and a protection device 8 is connected on the sewer pipeline 4 in series. The overflow port 201 is converged into the sewer pipe 4 through the overflow pipe 3, and the muffler 1 is connected in series to the overflow pipe 3. The silencer 1, the mop pool 2 and the protection device 8 are all arranged in the carriage, the collection box 6 is arranged below the bottom surface 5 of the carriage, and the exhaust pipe 7 is vertically arranged in the collection box 6. Wherein the protection device 8 is used for preventing the gas explosion phenomenon caused by the gas impact in the pipeline.
The Vt in fig. 2 indicates that the train runs at a high speed, and it can be known from the venturi effect that when the train runs at a high speed, because the lower end pipe orifice of the exhaust pipe 7 is communicated with the atmosphere, a large air pressure difference is generated at the upper end and the lower end of the exhaust pipe 7, and the interior of the mop pool launching system is smooth, and the air pressure difference can take away the air in the train compartment through a pipeline in the mop pool launching system. If the muffler 1 is not connected in series in the overflow pipe 3, a howling sound is generated at the overflow port 201 due to the high speed of the air flow passing through the narrow passage. After the silencer 1 is connected in series in the overflow pipeline 3, the gas flowing at high speed is blocked by the partition plates 107 of the silencing chambers 109 in the silencer 1, the flow speed is attenuated step by step, the partition plates 107 are arranged in a vertically staggered mode, and the overflow channels 105 of the adjacent transverse plates 104 are distributed diagonally, so that a latticed circuitous channel is formed in the silencer 1, and the wind speed reduction effect is greatly improved. Meanwhile, the inner cavity of the housing 102 and the surface of each core plate 1071 are covered with the sound absorbing material 103, which further absorbs and reduces noise caused by air flow. Meanwhile, the overflow channel 105 and the partition plate 107 are reasonably arranged, a gap for overflow water to pass through is reserved, normal discharge of the overflow water cannot be influenced, and partial noise generated by flow of the overflow water can be weakened due to the silencer 1. The installation density of the partition plates 107 decreases from top to bottom layer by layer, and conforms to the air flow speed attenuation rule.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. A silencer for a train mop pool is characterized in that: the sound absorption type sound absorption device comprises a shell (102), wherein the shell (102) is of a hollow cylindrical structure, sound absorption materials (103) are uniformly covered on the inner wall of the shell (102), a silencing inlet (101) is formed in one side of the top of the shell (102), and a silencing outlet (106) which is arranged diagonally to the silencing inlet (101) is formed in the bottom of the shell (102);
a plurality of transverse plates (104) which are parallel to each other are horizontally and fixedly connected in the shell (102), the transverse plates (104) divide the inner cavity of the shell (102) into a plurality of layers of silencing cavities (108), and one side of each transverse plate (104) is provided with an overflow channel (105);
the single-layer silencing cavity (108) has the following specific structure: a plurality of partition plates (107) are arranged along the inner top surface and the inner bottom surface of the silencing cavity (108) in a vertically staggered and spaced mode, and the silencing cavity (108) is divided into a plurality of latticed silencing chambers (109) by the partition plates (107).
2. A silencer for a train swab basin according to claim 1, characterized in that: the silencing inlet (101) and the silencing outlet (106) are both vertically arranged tubular structures;
the outer wall of the silencing inlet (101) is fixedly connected with the shell (102) in a sealing way, one end of the silencing inlet (101) is communicated with an overflow water source through a pipeline, and the other end of the silencing inlet (101) extends into the shell (102);
the outer wall of the silencing outlet (106) is also fixedly connected with the shell (102) in a sealing mode, one end of the silencing outlet (106) is communicated with the collecting box through a pipeline, the other end of the silencing outlet penetrates through the shell (102), and the pipe orifice is flush with the inner bottom surface of the shell (102) covered with the sound absorbing material (103).
3. A silencer for a train swab basin according to claim 1, characterized in that: the number of the transverse plates (104) is even, the overflow channels (105) of the adjacent transverse plates (104) are arranged diagonally, and the overflow channels (105) of the transverse plates (104) adjacent to the top of the shell (102) are arranged diagonally with the silencing inlet (101).
4. A silencer for a train swab basin according to claim 3, characterized in that: the overflow channel (105) comprises a plurality of overflow through holes (1051) which are vertically arranged at intervals.
5. A silencer for a train swab basin according to claim 1, characterized in that: the heights of the sound attenuation cavities (108) are the same.
6. A silencer for a train swab basin according to claim 1, characterized in that: the length of the partition plate (107) is smaller than the height of the silencing cavity (108), one end of the partition plate (107) is vertically and fixedly connected with the inner wall of the silencing cavity (108), a gap is formed between the other end of the partition plate (107) and the inner wall of the silencing cavity (108), and adjacent silencing chambers (109) are communicated through the gap.
7. A silencer for a train swab basin according to claim 1, characterized in that: the single partition plate (107) has the following specific structure: the sound-absorbing core plate comprises a core plate (1071) which is vertically and fixedly connected with the inner wall of the sound-absorbing cavity (108), and the outer surface of the core plate (1071) is also uniformly covered with sound-absorbing materials (103).
8. A silencer for a train swab basin according to claim 1, characterized in that: one end of a partition plate (107) adjacent to the silencing inlet (101) is fixedly connected with the inner top surface of the shell (102);
one end of the partition plate (107) adjacent to the silencing outlet (106) is fixedly connected with the inner top surface of the silencing cavity (108) where the silencing outlet (106) is positioned.
9. A silencer for a train swab basin according to claim 1, characterized in that: the partition plates (107) in the single silencing cavity (108) are distributed at equal intervals, so that the volumes of the silencing chambers (109) in the same layer of silencing cavity (108) are the same.
10. A silencer for a train swab basin according to claim 9, characterized in that: the partition plates (107) in each sound-deadening cavity (108) are distributed at intervals and are gradually increased from top to bottom layer by layer, and the number of the partition plates (107) in each sound-deadening cavity (108) is more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349247.5U CN211821265U (en) | 2020-03-18 | 2020-03-18 | Silencer for train mop pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020349247.5U CN211821265U (en) | 2020-03-18 | 2020-03-18 | Silencer for train mop pool |
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| Publication Number | Publication Date |
|---|---|
| CN211821265U true CN211821265U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020349247.5U Active CN211821265U (en) | 2020-03-18 | 2020-03-18 | Silencer for train mop pool |
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| CN (1) | CN211821265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483188A (en) * | 2021-06-30 | 2021-10-08 | 浙江吉利控股集团有限公司 | Silencing device for vehicle air conditioner drain pipe and vehicle provided with same |
-
2020
- 2020-03-18 CN CN202020349247.5U patent/CN211821265U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483188A (en) * | 2021-06-30 | 2021-10-08 | 浙江吉利控股集团有限公司 | Silencing device for vehicle air conditioner drain pipe and vehicle provided with same |
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