CN115817563A - Wind regime braking system and rail vehicle - Google Patents

Abstract

The invention provides an air source braking system and a railway vehicle, wherein the air source braking system comprises an air source system cabinet, an air compressor, a dryer, a main air cylinder and a braking cabinet; the wind source system cabinet comprises a frame, and the frame divides the wind source system cabinet into an upper layer area and a lower layer area which are arranged in a vertical layered manner; the air compressor is arranged in the upper area and is detachably connected to the frame, and the air compressor is used for compressing air; the dryer is arranged in the upper area and is detachably connected to the frame, the dryer is connected to the air compressor, and the dryer is used for drying the compressed air; the main air cylinder is arranged in the lower layer area and connected to the dryer, and is used for storing the compressed air after drying treatment; the brake cabinet is arranged on the upper layer and detachably connected to the frame through a fastener, the brake cabinet is connected to the main air reservoir, and the brake cabinet can output dry compressed air stored in the main air reservoir according to the braking requirement of the rail vehicle so as to realize the air source braking function of the rail vehicle.

Description

Wind source braking system and rail vehicles

technical field

The invention relates to the technical field of rail vehicles, in particular to an air source braking system and a rail vehicle.

Background technique

In the design of the air source braking system of existing rail vehicles, large equipment such as brake cabinets, main air cylinders, air compressors, dryers, and micro-oil filters are usually arranged in a decentralized manner or partially integrated with individual equipment. , it is impossible to make full use of the space in the vertical direction of the machinery room of the rail vehicle, and the overall space occupation is relatively large, which affects the layout of the entire vehicle equipment, and is not convenient for equipment maintenance.

Contents of the invention

A main purpose of the present invention is to overcome at least one defect of the above-mentioned prior art, and provide an air source braking system with high space utilization rate, convenient installation and maintenance.

To achieve the above object, the present invention adopts the following technical solutions:

According to one aspect of the present invention, an air source braking system is provided for providing an air source braking function for rail vehicles, wherein the air source braking system includes an air source system cabinet, an air compressor, a dryer, The main air cylinder and the brake cabinet; the air source system cabinet includes a frame, and the frame divides the air source system cabinet into an upper area and a lower area arranged in layers; the air compressor is arranged on the upper layer area and is detachably connected to the frame via fasteners, and the air compressor is used to compress air; the dryer is arranged in the upper area and is detachably connected to the frame via fasteners , the dryer is connected to the air compressor, and the dryer is used to dry the compressed air; the total air cylinder is arranged in the lower area and connected to the dryer, and the total air cylinder is The compressed air after drying is stored; the brake cabinet is arranged in the upper area and is detachably connected to the frame through fasteners, the brake cabinet is connected to the main air cylinder, and the The brake cabinet is configured to: output the dry compressed air stored in the main air cylinder according to the braking requirements of the rail vehicle to realize the air source braking function of the rail vehicle.

According to one embodiment of the present invention, the air compressor is connected with an independent air duct, and the independent air duct extends upwards for discharging the hot air emitted by the air compressor.

According to one embodiment of the present invention, wherein: the air compressor is a screw air compressor; and/or, the rated discharge pressure of the air compressor is 8bar to 12bar; and/or, the air compressor The rated volume flow rate of the machine is greater than or equal to 1600L/min.

According to one embodiment of the present invention, the dryer includes two drying towers, and the dryer adopts a working mode in which the two towers work alternately and continuously.

According to one embodiment of the present invention, wherein: the pressure range of the dryer is 0-1100kPa; and/or, the rated air handling capacity of the dryer is 2.5m ³ /min-3m ³ /min; and/or Or, the specification of the pipeline interface of the dryer is G11/4"; and/or, the specification of the drain outlet of the dryer is G1/2".

According to one embodiment of the present invention, the total air cylinder includes at least two air cylinders, at least two of the air cylinders are connected in series, and the series pipeline between the two connected air cylinders is provided with a reverse flow check valve.

According to one embodiment of the present invention, the total air cylinder includes two air cylinders, and the volumes of the two air cylinders are not equal.

According to one embodiment of the present invention, wherein: the air compressor is connected to the dryer via a stainless steel pipe or a corrugated hose, and the connecting joint is a ferrule joint; and/or, the dryer is connected to the The main air cylinders are connected via stainless steel pipes or corrugated hoses, and the connecting joints are ferrule joints; and/or, the main air cylinders are connected to the brake cabinet via stainless steel pipes or corrugated hoses , and the connecting joint is a ferrule-type joint.

According to one embodiment of the present invention, the overall size of the air source system cabinet is 2800mm×1610mm×1700mm.

It can be seen from the above technical solution that the advantages and positive effects of the wind source braking system proposed by the present invention are:

The wind source braking system proposed by the present invention includes an air source system cabinet, an air compressor, a dryer, a main air cylinder and a brake cabinet. The air source system cabinet includes a frame, and the frame divides the air source system cabinet into an upper area and a lower area arranged in layers. The air compressor, dryer and brake cabinet are respectively arranged in the upper area and are detachably connected to the frame through fasteners, and the main air cylinder is arranged in the lower area. Through the above design, the present invention can realize the highly integrated layout design of the wind source braking system, has a high space utilization rate, and can effectively solve the problem of tight equipment layout space, scattered equipment layout, Unclear location and other issues are conducive to improving the modular design of various systems of rail vehicles. In addition, the present invention also has the advantages of convenient installation and maintenance through a highly integrated layout design.

Another main purpose of the present invention is to overcome at least one defect of the above-mentioned prior art, and provide a rail vehicle using the above-mentioned wind source braking system.

To achieve the above object, the present invention adopts the following technical solutions:

According to another aspect of the present invention, a rail vehicle is provided, which includes the wind source braking system proposed by the present invention and described in the above-mentioned embodiments.

As can be seen from the foregoing technical solutions, the advantages and positive effects of the rail vehicle proposed by the present invention are:

The rail vehicle proposed by the present invention, by adopting the wind source braking system proposed by the present invention, can reduce the space occupation of the wind source braking system in the machine room, and at the same time has the advantages of centralized equipment arrangement, clear location, strong operability and convenient maintenance And other advantages, it is beneficial to improve the modular design of various systems of rail vehicles.

Description of drawings

Various objects, features and advantages of the present invention will become more apparent by considering the following detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the invention and are not necessarily drawn to scale. In the drawings, the same reference numerals designate the same or similar parts throughout. in:

Fig. 1 is a schematic perspective view of a wind source braking system according to an exemplary embodiment;

Fig. 2 is a schematic diagram of the air circuit principle of the wind source braking system shown in Fig. 1 .

The reference signs are explained as follows:

100. Framework;

101. Upper area;

102. Lower area;

200. Air compressors;

300. Dryer;

310. Drying tower;

400. Main air cylinder;

410. The first air cylinder;

420. The second air cylinder;

430. Backflow check valve;

500. Brake cabinet;

X. Length direction;

Y. Width direction;

Z. Height direction.

Detailed ways

Typical embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and that the description and drawings therein are illustrative in nature and not intended to limit the present invention. invention.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of example different exemplary structures, systems, and embodiments in which aspects of the invention may be implemented and steps. It is to be understood that other specific arrangements of components, structures, exemplary devices, systems and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "on," "between," "in," etc. may be used in this specification to describe various exemplary features and elements of the invention, these terms are used herein for convenience only, for example, according to The directions of the examples described in the attached drawings. Nothing in this specification should be construed as requiring a particular three-dimensional orientation of structures in order to fall within the scope of this invention.

Referring to FIG. 1 , it representatively shows a three-dimensional structure diagram of the wind source braking system proposed by the present invention. In this exemplary embodiment, the wind source braking system proposed by the present invention is described by taking an application to an electric locomotive as an example. Those skilled in the art will easily understand that, in order to apply the relevant design of the present invention to other types of rail vehicles, various modifications, additions, substitutions, deletions or other changes are made to the following specific embodiments, these Variations are still within the scope of the principles of the wind source braking system proposed by the present invention.

As shown in Figure 1, in one embodiment of the present invention, the wind source braking system proposed by the present invention is used to provide the wind source braking function for rail vehicles, and the wind source braking system includes an air source system cabinet, an air Compressor 200 , dryer 300 , main air cylinder 400 and brake cabinet 500 . With reference to FIG. 2 , FIG. 2 typically shows a schematic diagram of the air circuit principle of the air source braking system that can embody the principle of the present invention. The structure, connection mode and functional relationship of each main component of the wind source braking system proposed by the present invention will be described in detail below in conjunction with the above-mentioned drawings.

As shown in FIG. 1 and FIG. 2 , in an embodiment of the present invention, the air source system cabinet includes a frame 100 , which divides the air source system cabinet into an upper area 101 and a lower area 102 arranged in layers. On this basis, the air compressor 200 is disposed in the upper area 101 , and the air compressor 200 is detachably connected to the frame 100 via fasteners (such as but not limited to bolts). The air compressor 200 is used to compress air. The dryer 300 is disposed on the upper area 101 , and the dryer 300 is detachably connected to the frame 100 via fasteners (such as but not limited to bolts). The air inlet of the dryer 300 is connected to the air compressor 200, and the dryer 300 is used for drying the compressed air to remove moisture in the compressed air. The main air cylinder 400 is disposed in the lower area 102 , and the main air cylinder 400 is connected to the air outlet of the dryer 300 , and the main air cylinder 400 is used to store the compressed air dried by the dryer 300 . The brake cabinet 500 is disposed in the upper area 101 , and the brake cabinet 500 is detachably connected to the frame 100 via fasteners (such as but not limited to bolts), and the brake cabinet 500 is connected to the main air cylinder 400 . Wherein, the brake cabinet 500 can output the dry compressed air stored in the main air cylinder 400 according to the braking requirements of the rail vehicle to realize the air source braking function of the rail vehicle. Through the above design, the present invention can realize the highly integrated layout design of the wind source braking system, has a high space utilization rate, and can effectively solve the problem of tight equipment layout space, scattered equipment layout, Unclear location and other issues are conducive to improving the modular design of various systems of rail vehicles. In addition, the present invention also has the advantages of convenient installation and maintenance through a highly integrated layout design.

In one embodiment of the present invention, the air compressor 200 can be connected with an independent air channel, which extends upwards, and the independent air channel is used to discharge the hot air emitted by the air compressor 200, that is, the air compressor 200 uses Air-cooled upper exhaust design. In addition, when the air compressor 200 adopts an independent air channel for heat dissipation, after the external independent air channel of the air compressor 200 is installed, the installation height of the independent air channel can be adaptively adjusted according to the height of the train to meet the design requirements. Through the above design, the present invention can use the independent air channel to realize the discharge of hot air from the air compressor 200, and at the same time can use the independent air channel to realize the function of guiding the air flow direction and meet the air flow and flow velocity requirements for heat dissipation. The good working condition of the air compressor 200 is ensured, and adverse effects caused by sharing channels with other equipment are avoided, and the problem of ventilation and heat dissipation of the air compressor 200 in a narrow space is solved.

In an embodiment of the present invention, the air compressor 200 may be a screw air compressor 200 . In some implementations, the air compressor 200 can also use other similar devices, and the present implementation is not limited thereto.

In an embodiment of the present invention, the rated discharge pressure of the air compressor 200 may be 8bar˜12bar, such as 8bar, 9bar, 11bar, 12bar and so on. Through the above-mentioned design, the present invention can avoid that the rated discharge pressure of the air compressor 200 of the dryer 300 is too small to meet the demand for air consumption, and at the same time, it can avoid the power loss due to the excessive rated discharge pressure of the air compressor 200. waste. In some embodiments, for different types of rail vehicles, or according to different air supply requirements, the rated discharge pressure of the air compressor 200 can also be less than 8bar, or can be greater than 12bar, such as 7bar, 12.5bar, etc. This embodiment is limited.

Based on the design that the rated discharge pressure of the air compressor 200 is 8bar˜12bar, in an embodiment of the present invention, the rated discharge pressure of the air compressor 200 may specifically be 10bar.

In an embodiment of the present invention, the rated volumetric flow rate of the air compressor 200 may be greater than or equal to 1600L/min, such as 1600L/min, 1800L/min, 2000L/min, 2500L/min and so on. Through the above design, the present invention can avoid that the rated volume flow rate of the air compressor 200 is too small to meet the air consumption demand of the air source braking function of the rail vehicle, and can avoid the excessively large rated volume flow rate of the air compressor 200 from causing power failure. waste. In some embodiments, for different types of rail vehicles, or according to different air supply requirements, the rated volumetric flow rate of the air compressor 200 may also be less than 1600L/min, such as 1550L/min, etc., and is not limited to this embodiment .

As mentioned above, in various possible implementations consistent with the design concept of the present invention, in order to select a suitable air compressor 200, according to the traction capacity of the train, the volume of the train brake system, the train air consumption, and the total The volume and pressure range of the air cylinder 400, the regenerative air consumption rate of the drier 300, the feasibility of the overall layout, and the design tasks of the train and other influencing factors, by calculating the air consumption of the train and the displacement of the air compressor 200, the air compressor 200 can be determined. selection parameters.

As shown in FIG. 1 , in an embodiment of the present invention, the dryer 300 may include two drying towers 310 , on this basis, the dryer 300 adopts a working mode in which the two towers work alternately and continuously. Through the above design, the present invention can further optimize the drying effect and processing efficiency of the dryer 300 on compressed air, and further ensure that the compressed air transported and stored in the main air cylinder 400 meets the usage requirements.

In one embodiment of the present invention, the pressure range of the dryer 300 can be 0-1100kPa, that is, the dryer 300 can work within the pressure range of 0-1100kPa, and the upper limit of the working pressure of the dryer 300 is 1100kPa. Through the above design, the present invention can ensure that the dryer 300 meets the pressure conditions in various working environments. In some embodiments, the upper limit of the working pressure of the dryer 300 may also be greater than 1100 kPa, such as 1200 kPa, 1500 kPa, etc., and is not limited to this embodiment.

In one embodiment of the present invention, the rated air handling capacity of the dryer 300 can be 2.5m ³ /min～3m ³ /min, such as 2.5m ³ /min, 2.6m ³ /min, 2.8m ³ /min, 3m ³ /min etc. Through the above-mentioned design, the present invention can avoid difficulty in meeting air demand due to too small rated air handling capacity of the dryer 300 , and can avoid power waste caused by too large rated air handling capacity of the dryer 300 . In some embodiments, for different types of rail vehicles, or according to different air supply requirements, the rated air handling capacity of the dryer 300 may also be less than 2.5m ³ /min, or greater than 3m ³ /min, such as 2.4m ³ /min, 3.1m ³ /min, etc. are not limited to this embodiment.

Based on the design that the rated air handling capacity of the dryer 300 is 2.5m ³ /min-3m ³ /min, in an embodiment of the present invention, the rated air handling capacity of the dryer 300 may be specifically 2.7m ³ /min.

In one embodiment of the present invention, the specification of the pipeline interface of the dryer 300 can be G11/4", which can be understood as the pipeline interface on the connection side of the dryer 300 and the air compressor 200 and the dryer 300 and the pipeline interface of the connection side of the total air cylinder 400.

In one embodiment of the present invention, the specification of the blowdown outlet of the dryer 300 may be G1/2".

In one embodiment of the present invention, as an example to meet the layout specifications of the mechanical room of a certain type of electric locomotive, according to the length direction X, width direction Y and height direction Z shown in Figure 1, the size specification (length ×width×height) can be 965mm×484mm×347mm.

As mentioned above, in various possible implementations consistent with the design concept of the present invention, in order to select a suitable dryer 300, a reasonable match can be made according to the displacement of the air compressor 200, and the selection of the dryer 300 can be finally determined. type parameter.

As shown in Figure 1, in one embodiment of the present invention, the total air cylinder 400 may include at least two air cylinders, these air cylinders are connected in series, and the series pipeline between the two connected air cylinders may be provided with Reverse flow check valve 430 . Through the above design, the present invention enables the brake cabinet 500 to flexibly select at least one or all of the at least two air cylinders for air supply, thereby meeting the air supply requirements of different functions. Moreover, when the pipelines of some air cylinders are damaged, the present invention can also use the reverse flow check valve 430 to prevent the rapid loss of the overall air volume. In some implementations, the total air cylinder 400 may only include one air cylinder, which is not limited to this embodiment.

As shown in FIG. 1 , based on the design that the total air cylinder 400 includes at least two air cylinders, in an embodiment of the present invention, the total air cylinder 400 may specifically include two air cylinders, and the volumes of these two air cylinders are not the same. equal. Specifically, two air cylinders with unequal volumes are defined as the first air cylinder 410 and the second air cylinder 420 respectively, the volume of the first air cylinder 410 may be 480L, and the volume of the second air cylinder 420 may be 320L. In some embodiments, for different types of rail vehicles, or according to different air supply requirements, when the total air cylinder 400 includes the first air cylinder 410 and the second air cylinder 420 with different volumes, the first air cylinder 410 and the second air cylinder 420 The volumes of the two air cylinders 420 can also be flexibly selected respectively. In addition, when the total air cylinder 400 includes at least two air cylinders, the volumes of these air cylinders may also be equal, which is not limited to this embodiment.

In one embodiment of the present invention, the air compressor 200 and the dryer 300 can be connected via a stainless steel pipe, and the position where there is a relative displacement between the air compressor 200 and the dryer 300 can also be connected via a corrugated hose, In this way, the manufacturability of the present invention can be further ensured. In addition, the connecting joints between the air compressor 200 and the dryer 300 and the above-mentioned pipelines can be ferrule-type joints, which can have good reliability and safety.

In one embodiment of the present invention, the dryer 300 and the main air cylinder 400 can be connected via stainless steel pipes, and the position where there is a relative displacement between the dryer 300 and the main air cylinder 400 can also be connected via a corrugated hose, In this way, the manufacturability of the present invention can be further ensured. In addition, the connection joints between the dryer 300 and the main air cylinder 400 and the above-mentioned pipelines can be ferrule joints, which can have good reliability and safety.

In one embodiment of the present invention, the main air cylinder 400 and the brake cabinet 500 can be connected via a stainless steel pipe, and the position where there is a relative displacement between the main air cylinder 400 and the brake cabinet 500 can also be connected via a corrugated hose connection, which can further ensure the manufacturability of the present invention. In addition, the connection joints between the main air cylinder 400 and the brake cabinet 500 and the above-mentioned pipelines may be ferrule-type joints, thereby having good reliability and safety.

In one embodiment of the present invention, as an example to meet the layout specifications of the mechanical room of a certain type of electric locomotive, according to the length direction X, width direction Y and height direction Z shown in Figure 1, the overall size specification of the air source system cabinet (Length x Width x Height) can be 2800mm x 1610mm x 1700mm. Accordingly, the present invention realizes high integration among the components of the wind source braking system by rationally arranging the components, and saves the equipment layout space in the machine room.

In one embodiment of the present invention, the brake cabinet 500 can be mainly composed of a skeleton, an electro-pneumatic control unit (such as including a filter module, a train pipe control module, a separate control module, a brake cylinder control module, an air brake valve Module, power supply module, auxiliary function module), interface box module, main compressor start-stop control module, sand spreading control module, parking brake control module, parking air cylinder, brake master air cylinder 400 and other components.

In one embodiment of the present invention, the frame 100 of the air source system cabinet can be tested according to the standards GB/T 21563 "Shock and Vibration Tests for Rail Transit Rolling Stock Equipment" and EN 12663 "Railway Applications - Structural Requirements for Rail Body" Fatigue strength and structural strength are calculated, so as to realize the optimal design of the strength of the frame 100 .

It should be noted at this point that the air source braking systems shown in the drawings and described in this specification are but a few examples of the many types of air source braking systems that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any details or any components of the wind source braking system shown in the drawings or described in this specification.

In summary, the air source braking system proposed by the present invention includes an air source system cabinet, an air compressor 200 , a dryer 300 , a main air cylinder 400 and a brake cabinet 500 . The air source system cabinet includes a frame 100 which divides the air source system cabinet into an upper layer area 101 and a lower layer area 102 which are layered up and down. The air compressor 200 , the dryer 300 and the brake cabinet 500 are respectively arranged in the upper area 101 and detachably connected to the frame 100 via fasteners, and the main air cylinder 400 is arranged in the lower area 102 . Through the above design, the present invention can realize the highly integrated layout design of the wind source braking system, has a high space utilization rate, and can effectively solve the problem of tight equipment layout space, scattered equipment layout, Unclear location and other issues are conducive to improving the modular design of various systems of rail vehicles. In addition, the present invention also has the advantages of convenient installation and maintenance through a highly integrated layout design.

Based on the above detailed description of several exemplary embodiments of the wind source braking system proposed by the present invention, an exemplary embodiment of the rail vehicle proposed by the present invention will be described below.

In one embodiment of the present invention, the rail vehicle proposed by the present invention includes the wind source braking system proposed by the present invention and described in detail in the above embodiments.

It should be noted at this point that the rail vehicles shown in the drawings and described in this specification are but a few examples of the many types of rail vehicles in which the principles of the invention can be employed. It should be clearly understood that the principles of the present invention are in no way limited to any detail or any component of the rail vehicle shown in the drawings or described in this specification.

To sum up, the rail vehicle proposed by the present invention, by adopting the wind source braking system proposed by the present invention, can reduce the space occupation of the wind source braking system in the mechanical room, and at the same time has the advantages of centralized equipment layout, clear location, and easy operation. It has the advantages of strong performance and convenient maintenance, which is conducive to improving the modular design of various systems of rail vehicles.

Exemplary implementations of the wind source braking system and the rail vehicle proposed by the present invention are described and/or illustrated in detail above. However, the embodiments of the present invention are not limited to the specific embodiments described herein, rather, the components and/or steps of each embodiment can be used independently and separately from other components and/or steps described herein. Each component and/or each step of one embodiment may also be used in combination with other components and/or steps of other embodiments. When referring to elements/components/etc. described and/or illustrated herein, the terms "a", "an" and "aforementioned" etc. are used to mean that there are one or more elements/components/etc. The terms "comprising", "including" and "having" are used in an open inclusive sense and mean that there may be additional elements/components/etc. besides the listed elements/components/etc. In addition, the terms "first" and "second" in the claims and the specification are used only as signs and do not limit the number of objects.

While the proposed wind source braking system and rail vehicle of the present invention have been described in terms of various specific embodiments, those skilled in the art will recognize that changes may be made in the practice of the invention within the spirit and scope of the claims.

Claims (10)

1. A wind source braking system for providing a wind source braking function for a rail vehicle, the wind source braking system comprising:

the wind source system cabinet comprises a frame, wherein the frame divides the wind source system cabinet into an upper layer area and a lower layer area which are arranged in a vertical layered manner;

an air compressor disposed in the upper area and removably connected to the frame via fasteners, the air compressor configured to compress air;

a dryer disposed in the upper area and removably connected to the frame via fasteners, the dryer being connected to the air compressor, the dryer being configured to dry compressed air;

a main reservoir disposed in the lower region and connected to the dryer, the main reservoir being configured to store compressed air after drying treatment; and

a brake cabinet disposed in the upper zone and removably connected to the frame via fasteners, the brake cabinet connected to the main reservoir, the brake cabinet configured to: and outputting the dry compressed air stored in the main air reservoir according to the braking requirement of the railway vehicle so as to realize the wind source braking function of the railway vehicle.

2. The wind source brake system of claim 1, wherein a separate air duct is connected to the air compressor, the separate air duct extending upwardly for discharging hot air dissipated by the air compressor.

3. The wind source braking system of claim 1, wherein:

the air compressor is a screw air compressor; and/or

The rated exhaust pressure of the air compressor is 8-12 bar; and/or

The rated volume flow of the air compressor is larger than or equal to 1600L/min.

4. The wind source brake system of claim 1, wherein the dryer comprises two drying towers, the dryer operating in a dual-tower alternating and continuous mode of operation.

5. The wind source braking system of claim 1, wherein:

the pressure range of the dryer is 0-1100 kPa; and/or

The rated air handling capacity of the dryer is 2.5m ³ /min～3m ³ Min; and/or

The specification of the pipeline interface of the dryer is G11/4'; and/or

The specification of the drain outlet of the dryer is G1/2'.

6. The wind source braking system of claim 1, wherein the total reservoir comprises at least two reservoirs connected in series, and a reverse flow check valve is disposed on a series line between the two interconnected reservoirs.

7. The wind source braking system of claim 6, wherein the total reservoir comprises two of the reservoirs, the volumes of the two reservoirs being unequal.

8. The wind source braking system according to any one of claims 1 to 7, characterized in that:

the air compressor is connected with the dryer through a stainless steel pipe or a corrugated hose, and the connecting joint is a cutting sleeve type joint; and/or

The dryer is connected with the main air cylinder through a stainless steel pipe or a corrugated hose, and the connecting joint is a ferrule type joint; and/or

The main air cylinder is connected with the brake cabinet through a stainless steel pipe or a corrugated hose, and the connecting joint is a ferrule type joint.

9. The wind source brake system of any one of claims 1 to 7, wherein the overall dimensions of the wind source system cabinet are 2800mm x 1610mm x 1700mm.

10. A rail vehicle comprising a wind source brake system according to any one of claims 1 to 9.

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