CN216034318U

CN216034318U - Main air source system for urban subway vehicle

Info

Publication number: CN216034318U
Application number: CN202121865178.4U
Authority: CN
Inventors: 张玄; 张仕锡; 陈瑞昆; 章利好; 陈艳闯
Original assignee: Zhejiang Ruili Air Compressor Equipment Co ltd
Current assignee: Zhejiang Ruili Air Compressor Equipment Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-03-15
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a main air source system for an urban subway vehicle, which comprises a hanging bracket (2) and an air source assembly arranged on the hanging bracket (2); the wind source component is characterized by also comprising a sound insulation housing (3) connected with the hanger (2), wherein a noise prevention space is formed in the wall of the sound insulation housing (3), and the noise prevention space wraps the wind source component; the sound insulation housing (3) comprises a sound absorption layer (311), a vibration stopping layer (312) and a metal layer (313), wherein the vibration stopping layer (312) is arranged between the sound absorption layer (311) and the metal layer (313) and is fixedly connected with the sound absorption layer (311) and the metal layer (313) respectively; the sound absorbing layer (311) is disposed close to the noise preventing space, and the metal layer (313) is disposed away from the noise preventing space. Noise control space is formed in the sound-proof housing wall, and noise control space parcel wind regime subassembly, noise receive sound-proof housing's separation effect at the in-process that transmits external environment, and then the noise is by the separation and weaken for noise reduction in entering into subway operation environment is favorable to improving subway operation environment's travelling comfort.

Description

Main air source system for urban subway vehicle

Technical Field

The utility model relates to the technical field of rail vehicle equipment, in particular to a main air source system for an urban subway vehicle.

Background

The wind source system is an important component of the railway vehicle and provides clean, continuous and stable compressed air for a braking system and a whole-vehicle pneumatic auxiliary system of the railway vehicle.

Patent document CN201220304385.7 discloses a subway braking system wind source device, wherein mention is made of: "includes an air compression assembly hanger, a dryer, a control box, and an air compressor, the dryer, control box, and air compressor being mounted on the air compression assembly hanger". In this scheme, the noise that does not produce each components and parts in the wind regime system carries out the separation and handles, and the noise directly transmits external environment, and serious noise problem not only influences the whole operation environment of subway, also can cause great health threat to the staff of work in this environment moreover.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the main wind source system for the urban subway vehicle, which has lower noise.

The utility model is realized by the following technical scheme:

a main wind source system for an urban subway vehicle comprises a hanger and a wind source assembly arranged on the hanger; the wind source assembly is characterized by also comprising a sound insulation housing connected with the hanger, wherein a noise-proof space is formed in the wall of the sound insulation housing and wraps the wind source assembly; the sound insulation housing comprises a sound absorption layer, a vibration stopping layer and a metal layer, wherein the vibration stopping layer is arranged between the sound absorption layer and the metal layer and is fixedly connected with the sound absorption layer and the metal layer respectively; the sound absorption layer is arranged close to the noise-proof space, and the metal layer is arranged far away from the noise-proof space.

Furthermore, the sound absorption layer is made of nitrile rubber and polyvinyl chloride blended foam cotton, the vibration stopping layer is made of butyl rubber, and the metal layer is made of aluminum.

Further, the system also comprises a double-tower dryer, an output air filter and a precision air filter; the wind source assembly comprises a condensation water filter and an air compression assembly; be provided with the transmission path who is used for transmitting the air along precision air cleaner to the direction of air receiver, transmission path runs through precision air cleaner, air compression subassembly, condensation drainage filter, two tower driers, output air cleaner in proper order.

Further, the air compression assembly comprises an air compressor, a cooler and a fan assembly; the cooler is connected with the air compressor, and the cooler is used for cooling the compressed air of air compressor machine, and fan assembly sets up in the air compressor machine outer wall, and fan assembly is used for cooling down the jar wall of air compressor machine.

Further, an air inlet and an air outlet are arranged on the sound insulation housing, and the air inlet is communicated with the air outlet through a noise-proof space; the fan assembly enables the noise-proof space to be separated to form a first pressurizing channel and a second pressurizing channel, wherein the first pressurizing channel is communicated with the air inlet, and the second pressurizing channel is communicated with the air outlet.

Furthermore, the sound insulation housing is limited and formed by the first wall body, the second wall body, the third wall body, the fourth wall body, the fifth wall body and the sixth wall body; the first wall body, the third wall body, the fourth wall body, the fifth wall body and the sixth wall body are detachably connected with the hanging bracket respectively, and the second wall body is detachably connected with the third wall body and the fourth wall body; air intake and air outlet all set up on the second wall body, and wherein the air intake is close to the controller setting, and the air outlet is close to precision air cleaner setting.

Compared with the prior art, the utility model has the advantages that:

1. noise control space is formed in the sound-proof housing wall, and noise control space parcel wind regime subassembly, noise receive sound-proof housing's separation effect at the in-process that transmits external environment, and then the noise is weakened for noise reduction in entering into subway operation environment is favorable to improving the travelling comfort of the whole operation environment of subway.

Drawings

FIG. 1 is a schematic view of the external structure of a main air source system for an urban subway vehicle according to the present invention;

FIG. 2 is a schematic view of the internal structure of the sound-proofing housing;

FIG. 3 is a schematic view of the sound insulating enclosure of FIG. 1 after it has been concealed;

FIG. 4 is a schematic view of the structure of FIG. 1 from another angle;

fig. 5 is a schematic structural view of an air compression assembly.

1-controller, 2-hanger, 3-sound insulation casing, 311-sound absorption layer, 312-vibration stopping layer, 313-metal layer, 4-double-tower dryer, 5-output air filter, 6-precision air filter, 7-condensation water filter, 8-air compressor, 801-air cylinder, 9-cooler, 10-fan component, 11-air compression component, 14-air inlet, 15-air outlet, 301-first wall body, 302-second wall body, 303-third wall body, 304-fourth wall body, 305-fifth wall body and 306-sixth wall body.

Detailed Description

The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 2, the main wind source system for an urban subway vehicle according to the preferred embodiment of the present invention includes a hanger 2 and a wind source assembly disposed on the hanger 2; the wind source component is characterized by also comprising a sound insulation housing 3 connected with the hanger 2, wherein a noise prevention space is formed in the wall of the sound insulation housing 3, and the noise prevention space wraps the wind source component; the sound insulation housing 3 comprises a sound absorption layer 311, a vibration stopping layer 312 and a metal layer 313, wherein the vibration stopping layer 312 is arranged between the sound absorption layer 311 and the metal layer 313 and is fixedly connected with the sound absorption layer 311 and the metal layer 313 respectively; the sound absorbing layer 311 is disposed near the noise preventing space, and the metal layer 313 is disposed far from the noise preventing space.

Referring to fig. 2, preferably, the sound absorption layer 311 is made of a foam formed by blending nitrile rubber and polyvinyl chloride, the vibration damping layer 312 is made of butyl rubber, and the metal layer 313 is made of aluminum. Specifically, the sound absorption layer 311, the vibration damping layer 312 and the metal layer 313 are preferably bonded by glue; and, sound absorbing layer 311 and damping layer 312 all adopt lightweight material, and metal level 313 also adopts the aluminum product that density is less, the material is lighter to make, avoids using all metal material's sound insulation housing 3 structure, and the sound insulation housing 3 whole quality of this scheme is lighter, installs the back on gallows 2, is favorable to reducing the quality of main wind regime system for the urban subway vehicle, is convenient for remove and transport.

With further reference to fig. 1 and 3 to 5, the main air source system for the urban subway vehicle further comprises a double-tower dryer 4, an output air filter 5 and a precision air filter 6; the wind source assembly comprises a condensation water filter 7 and an air compression assembly 11; a transmission channel for transmitting air is arranged along the direction from the precision air filter 6 to the air storage cylinder, and the transmission channel sequentially penetrates through the precision air filter 6, the air compression assembly 11, the condensation water filter 7, the double-tower dryer 4 and the output air filter 5.

The specific structure of the air compressing assembly 11 disclosed in the present application is disclosed in the patent document No. 2021213696628, and the structure of the air compressing assembly 11 will be described only briefly: the air compression assembly 11 comprises an air compressor 8, a cooler 9 and a fan assembly 10; the output end of the air compressor 8 is connected with the cooler 9, the input end of the cooler 9 is connected with the output end of the air compressor 8, and the cooler 9 is used for cooling the compressed air of the air compressor 8; the fan assembly 10 is arranged and installed on the outer wall of the air compressor 8, and the fan assembly 10 is used for cooling and cooling the outer surface of the air cylinder of the air compressor 8; the air compressor 8 is a four-cylinder oil-free air compressor, and the four-cylinder oil-free air compressor is in the prior art and is not described herein again; preferably, 4 cylinders 801 of the air compressor 8 are arranged around the axis of the crankcase, and the projections of the 4 cylinders 801 along the direction of the axis of the crankcase do not overlap; preferably, the weight of the 4 cylinders 801 is consistent; the cooler 9 is preferably a fin cooler, and the patent document [ CN106918253A ] discloses the internal structure and the working principle of the fin cooler; of course, the cooler 9 in this embodiment may also be other cooler structures in the prior art, which are not described herein again; the fan assembly 10 comprises a fan and a fastener for connecting the fan with the air compressor 8, the fastener can be one of a screw, a bolt or a binding belt structure, a main shaft of the fan is connected with a crankshaft of the air compressor 8, a plurality of fan blades are circumferentially arranged on the main shaft of the fan, and the crankshaft can drive the main shaft of the fan to rotate so as to enable the fan blades to rotate, so that cooling air is respectively formed in the first pressurizing channel and the second pressurizing channel; 4 projections of air compression component in the direction that cooling air flows do not overlap, and the cooling air that the fan generated can blow to the front and the side of any air compression component, and to change an angle, the cooling air that a fan of this scheme generated can take away the heat on 4 air compression component surfaces simultaneously, and the cooling effect is better.

Referring to fig. 3 to 4, the sound-proof housing 3 is provided with an air inlet 14 and an air outlet 15, and the air inlet 14 is communicated with the air outlet 15 through a noise-proof space.

Specifically, the input end of an air compressor 8 is connected with a precision air filter 6, and the output end of a cooler 9 is connected with a condensation water filter 7; further, fan assembly 10 sets up on air compressor machine 8 and is located between first pressure boost passageway and the second pressure boost passageway, sets up fan assembly 10 in the noise control space, fan assembly 10 forms first pressure boost passageway and second pressure boost passageway with the noise control space interval, wherein, first pressure boost passageway and 14 intercommunications of air intake, second pressure boost passageway and air outlet 15 intercommunication to no components and parts in the first pressure boost passageway, condensation water filter 7, air compressor machine 8, cooler 9 all set up in the second pressure boost passageway.

With further reference to fig. 1 and 4, the walls of the sound-insulating housing 3 are respectively a first wall 301, a second wall 302, a third wall 303, a fourth wall 304, a fifth wall 305 and a sixth wall 306, and the sound-insulating housing 3 is defined by the first wall 301, the second wall 302, the third wall 303, the fourth wall 304, the fifth wall 305 and the sixth wall 306; the first wall 301, the third wall 303, the fourth wall 304, the fifth wall 305, and the sixth wall 306 are detachably connected to the hanger 2, respectively, and the second wall 302 is detachably connected to the third wall 303 and the fourth wall 304; the air inlet 14 and the air outlet 15 are both disposed on the second wall 302, wherein the air inlet 14 is disposed near the controller 1, and the air outlet 15 is disposed near the precision air filter.

Specifically, the plurality of wall bodies (301 to 306) and the hanger 2 are preferably mounted by screws, that is, a plurality of threaded holes are processed on the plurality of wall bodies (301 to 306) and the hanger 2, and are inserted into the threaded holes by screws or bolts, and the tail parts of the screws or bolts are fixed by nuts, so that the wall bodies are connected with the hanger 2; of course, the wall body and the hanger 2 may be connected by any connection method in the prior art, and are not particularly limited. During the use, the outside air filters through precision air filter 6, then gets into air compressor machine 8 and compresses, the air after the compression gets into condensation drainage filter 7 after the cooler 9 cooling, condensation drainage filter 7 filters the liquid water in the air after the compression, the air after the compression gets into two tower driers 4, two tower driers 4 carry out the drying with the gaseous state water in the air after the compression, then, the air after the compression gets into output air cleaner 5, output air cleaner 5 filters the solid particle in the air after the compression, finally, the air after the compression is exported to the gas receiver of subway in the delivery outlet of output air cleaner 5.

In the working process of the whole main air source system for the urban subway vehicle, the fan rotates along with the crankshaft, and cooling air is respectively formed in the first pressurizing channel and the second pressurizing channel, specifically, the fan rotates to drive air around the fan to flow, the cooling air enters the first pressurizing channel from the air inlet 14, and is discharged from the air outlet 15 through the second pressurizing channel after being subjected to sufficient heat exchange with the outer surface of the air compressor 8; meanwhile, because each part of the wind source assembly operates simultaneously, a large amount of noise and vibration are generated, a noise-proof space is formed in the wall of the sound-proof housing 3, the noise-proof space wraps the wind source assembly, and when the noise generated by the wind source assembly is transmitted to the outside, the noise is firstly blocked by the sound-proof housing 3: the sound absorption layer 311 carries out the partial absorption to the noise, make the noise decibel level that gets into in the external environment reduce, be favorable to improving the travelling comfort of the whole operation environment of iron, also be favorable to protecting subway staff's health simultaneously, the layer 312 that only shakes carries out the partial absorption to the produced vibrations of wind regime subassembly, make the wind regime subassembly reduce for the vibrations between the gallows 2, can effectively avoid because shake too big and lead to the not hard up problem of screw between wind regime subassembly and the gallows 2, be favorable to reducing the maintenance number of times of main wind regime system for urban subway vehicle, manpower and materials are saved.

Preferably, the main air source system for the urban subway vehicle further comprises a pressure switch (not shown) connected with a pressure alarm (not shown) in the air storage cylinder, the pressure alarm is used for measuring air pressure in the air storage cylinder in real time and outputting a first signal, the pressure switch can be automatically turned on or turned off according to the first signal, when the pressure switch is turned off, the main air source system for the urban subway vehicle forms a passage, the main air source system for the urban subway vehicle is turned on at the moment and inputs compressed air into the air storage cylinder, when the pressure switch is turned off, the main air source system for the urban subway vehicle forms an open circuit, the main air source system for the urban subway vehicle does not work at the moment, namely, the main air source system for the urban subway vehicle does not input compressed air into the air storage cylinder at the moment.

Preferably, the system further comprises a temperature switch, a first temperature sensor (not shown in the figure) and a first heater (not shown in the figure) are arranged at an output port of the double-tower dryer 4, a second temperature sensor (not shown in the figure) and a second heater (not shown in the figure) are arranged at an output port of the condensate water filter 7, the temperature switch can control the start and stop of the first heater according to a primary signal transmitted by the first temperature sensor, can also control the start and stop of the second heater according to a secondary signal transmitted by the second temperature sensor, and both the first heater and the second heater can generate heat after being started; through the setting of heater, avoided under cold conditions, the delivery outlet of two tower desicators 4 and the delivery outlet of drainage filter 7 have moisture to remain to probably the phenomenon of freezing jam appears in the delivery outlet of two tower desicators 4 and the delivery outlet of drainage filter 7, when serious, the pipeline of the two tower desicators 4 delivery outlet of ice-cube inflation extrusion and drainage filter 7 delivery outlet leads to pipeline linking department gas leakage, and whole wind regime system inefficacy.

Preferably, the processes are all automatically controlled through the controller 1, manual supervision is not needed, and manpower is saved.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A main air source system for an urban subway vehicle comprises a hanger (2) and an air source assembly arranged on the hanger (2); the wind source assembly is characterized by further comprising a sound insulation housing (3) connected with the hanging bracket (2), wherein a noise prevention space is formed in the wall of the sound insulation housing (3), and the noise prevention space wraps the wind source assembly; the sound insulation housing (3) comprises a sound absorption layer (311), a vibration stopping layer (312) and a metal layer (313), wherein the vibration stopping layer (312) is arranged between the sound absorption layer (311) and the metal layer (313) and is fixedly connected with the sound absorption layer (311) and the metal layer (313) respectively; the sound absorbing layer (311) is disposed close to the noise preventing space, and the metal layer (313) is disposed away from the noise preventing space.

2. The main wind source system for the urban subway vehicle as claimed in claim 1, wherein the sound absorption layer (311) is made of nitrile rubber and polyvinyl chloride blended foam, the vibration damping layer (312) is made of butyl rubber, and the metal layer (313) is made of aluminum.

3. The main air source system for the urban subway vehicle as claimed in claim 2, further comprising a double-tower dryer (4), an output air filter (5), a precision air filter (6); the wind source assembly comprises a condensation water filter (7) and an air compression assembly (11); be provided with the transmission path who is used for transmitting the air along precision air cleaner (6) to the direction of air receiver, transmission path runs through precision air cleaner (6), air compression subassembly (11), condensation drainage filter (7), two tower driers (4), output air cleaner (5) in proper order.

4. The main air source system for the urban subway vehicle according to claim 3, wherein said air compression assembly (11) comprises an air compressor (8), a cooler (9) and a fan assembly (10); cooler (9) link to each other with air compressor machine (8), and cooler (9) are used for cooling air compressor machine (8)'s compressed air, and fan assembly (10) set up in air compressor machine (8) outer wall, and fan assembly (10) are used for the cylinder wall cooling of air compressor machine (8).

5. The main air source system for the urban subway vehicle as claimed in claim 4, wherein said sound-proof enclosure (3) is provided with an air inlet (14) and an air outlet (15), said air inlet being communicated with said air outlet through a noise-proof space; the fan assembly (10) separates the noise-proof space to form a first pressurizing channel and a second pressurizing channel, wherein the first pressurizing channel is communicated with the air inlet (14), and the second pressurizing channel is communicated with the air outlet (15).

6. A main wind source system for a urban subway vehicle according to claim 5, wherein said sound-insulating enclosure (3) is defined by a first wall (301), a second wall (302), a third wall (303), a fourth wall (304), a fifth wall (305) and a sixth wall (306) in combination; the first wall body (301), the third wall body (303), the fourth wall body (304), the fifth wall body (305) and the sixth wall body (306) are detachably connected with the hanger (2) respectively, and the second wall body (302) is detachably connected with the third wall body (303) and the fourth wall body (304); the air inlet (14) and the air outlet (15) are both arranged on the second wall body (302), wherein the air inlet (14) is arranged close to the controller (1), and the air outlet (15) is arranged close to the precision air filter (6).