CN113581149A - Brake system of railway vehicle matched with separable vehicle body and integrated design method - Google Patents
Brake system of railway vehicle matched with separable vehicle body and integrated design method Download PDFInfo
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- CN113581149A CN113581149A CN202110750550.5A CN202110750550A CN113581149A CN 113581149 A CN113581149 A CN 113581149A CN 202110750550 A CN202110750550 A CN 202110750550A CN 113581149 A CN113581149 A CN 113581149A
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- brake
- auxiliary control
- heat dissipation
- air
- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
- B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/04—Arrangement or disposition of driving cabins, footplates or engine rooms; Ventilation thereof
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Embodiments of the present disclosure provide a brake system and an integrated design method for a rail vehicle that adapts to a detachable car body. The system comprises: integrated integration auxiliary control and heat dissipation module, integrated integration auxiliary control includes with heat dissipation module: the integrated auxiliary control module is used for receiving the gas provided by the main air cylinder and shunting the gas provided by the main air cylinder to the brake air cylinder and/or the bogie; the brake air cylinder performs air brake according to the gas assistance provided by the integrated auxiliary control module; the heat dissipation branch road is used for supplying gas provided by the main air cylinder or the integrated auxiliary control module to the distribution box so as to enable the distribution box to dissipate heat. In this way, the purposes of fully utilizing the limited installation space of the vehicle underframe and improving the installation efficiency of the braking system can be achieved; and can in time dispel the heat when guaranteeing that the equipment has corresponding IP grade in the distribution box.
Description
Technical Field
Embodiments of the present disclosure relate generally to the field of rail vehicle technology and, more particularly, to a brake system of a rail vehicle fitted with a detachable vehicle body and an integrated design method of a brake system of a rail vehicle fitted with a detachable vehicle body.
Background
The brake system, an important subsystem in a railway vehicle, is an important device for ensuring that the vehicle can be safely parked. In the existing railway vehicle, the brake system usually adopts the electric control air brake as a design, and the arrangement of the sub-component devices of the brake system is relatively dispersed because the brake system is designed according to a plurality of groups.
Secondly, due to the particularity of the rail vehicle design of the detachable vehicle body, important electrical design on the vehicle and electrical equipment such as a relay thereof need to be arranged in a distribution box on the vehicle underframe instead of the traditional design in electrical cabinets at two ends inside the vehicle cabin, and the arrangement of the vehicle equipment is shown in fig. 2. The electrical equipment in the distribution box needs to work normally, and the working environment of the electrical equipment needs to be ensured to have a certain IP grade (abbreviation of dustproof grade and waterproof grade), so that protection is needed, but the heat dissipation of the electrical equipment cannot be ensured after the electrical equipment in the distribution box is protected.
In addition, at present, the components of each part in the braking system of the railway vehicle with the separable vehicle body are dispersed, so that too much installation space is occupied, the limited installation space on the vehicle underframe cannot be effectively utilized, and the installation efficiency of the braking system is low.
BRIEF SUMMARY OF THE PRESENT DISCLOSURE
According to an embodiment of the present disclosure, a solution is provided for adapting a brake system of a rail vehicle of a detachable vehicle body.
In a first aspect of the present disclosure, a brake system for a rail vehicle adapted to a detachable car body is provided. The brake system includes: the integrated auxiliary control and heat dissipation module is arranged on the vehicle underframe;
integrated auxiliary control and heat dissipation module includes: integration auxiliary control module, total reservoir, braking reservoir, heat dissipation branch road, wherein:
the integrated auxiliary control module is respectively connected with the main air cylinder and the brake air cylinder, is positioned on one side of the integrated auxiliary control and heat dissipation module, and is used for receiving the gas provided by the main air cylinder and shunting the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder and the main air cylinder are distributed on the other side of the integrated auxiliary control and heat dissipation module in parallel, and air braking is carried out under the assistance of gas provided by the integrated auxiliary control module;
the heat dissipation branch road, with total reservoir or the auxiliary control module that integrates is connected, be used for with total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
The above aspect and any possible implementation further provide an implementation, where the braking system further includes:
the air supply module is connected with the integrated auxiliary control and heat dissipation module and used for conveying air to the integrated auxiliary control and heat dissipation module;
the main air cylinder is connected with the air supply module and used for storing the gas delivered by the air supply module and supplying the gas delivered by the air supply module to the integrated auxiliary control module through a main air pipe;
the braking reservoir respectively with it is connected to integrate auxiliary control module and braking the control unit, is used for the storage integrate the gas that auxiliary control module provided, and will integrate the gas that auxiliary control module provided and supply to braking the control unit, supply braking the control unit carries out air brake.
The above-described aspects and any possible implementation further provide an implementation, where the integrated auxiliary control and heat dissipation module includes:
the heat dissipation branch circuit access mouth does the interface on the auxiliary control module that integrates is used for inserting the heat dissipation branch circuit, in order to supply the auxiliary control module that integrates supplies with gas extremely the heat dissipation branch circuit.
The above aspect and any possible implementation manner further provide an implementation manner, where one end of the heat dissipation branch is connected to the main reservoir through a main air pipe, and the other end of the heat dissipation branch is connected to the distribution box, and is configured to receive the gas provided by the main reservoir through the main air pipe.
The above-described aspects and any possible implementation further provide an implementation, where the integrated auxiliary control module includes:
the traction locking releasing pressure switch is communicated with a train console and used for detecting the total wind pressure of the total wind pipe when the railway vehicle is started, and disconnecting the traction locking releasing pressure switch when the total wind pressure is smaller than a preset brake pressure and sending a traction locking indicating signal to the train console; otherwise, close to release the traction lock.
The above aspect and any possible implementation further provide an implementation, wherein the bogie comprises:
the basic brake unit is connected with the brake control unit through a gas circuit, is connected with the integrated auxiliary control module through a parking pipeline, and is used for implementing or relieving air brake based on the control of the brake control unit or implementing or relieving parking brake through the parking pipeline;
height control valve, one end is connected with air spring, the other end with it is connected to integrate auxiliary control module for through receiving or discharge integrate the gas that auxiliary control module provided and adjust compressed gas in the air spring, thereby make separable automobile body keeps the stability of height.
The above-described aspects and any possible implementation further provide an implementation, where the integrated auxiliary control module includes:
the double-pulse electromagnetic valve is connected with the two-way valve and used for controlling the gas conveyed by the main air cylinder to flow to the two-way valve;
the two-way valve is used for supplying gas flowing out of the double-pulse electromagnetic valve to the parking pipeline so as to inflate the basic brake unit and control the basic brake unit to release parking brake, or the two-way valve is used for supplying gas to flow back from the basic control unit to the parking pipeline and then to be exhausted through the double-pulse electromagnetic valve so as to control the basic brake unit to implement parking brake; the two-way valve is also used for preventing the foundation brake unit from being controlled to implement parking brake and air brake at the same time through an anti-overlapping pipeline;
and the one-way valve is connected with the braking air cylinder and used for allowing the air provided by the main air pipe to flow to the braking air cylinder and preventing the air in the braking air cylinder from flowing back.
The above-described aspects and any possible implementation further provide an implementation, where the integrated auxiliary control and heat dissipation module includes:
the system comprises a main air pipeline interface, an air branch interface, a brake pipeline interface, a one-way valve outlet, a parking brake pipeline interface and an air spring pipeline interface;
the main air pipeline interface is used for connecting an outlet branch of the air supply module so as to enable the air supply module to convey air to the main air cylinder;
the air-using branch interface is an outlet of the brake air cylinder and is used for being connected to an air-using pipeline of the brake control unit so as to supply air stored in the brake air cylinder to the brake control unit through the air-using pipeline;
the brake pipeline interface is used for accessing an anti-overlapping pipeline of the brake control unit;
the outlet of the one-way valve is the outlet of the heat dissipation branch and is used for being connected with the distribution box;
the parking brake pipeline interface is an interface on the integrated auxiliary control module and is used for accessing the parking pipeline;
and the air spring pipeline interface is an interface on the integrated auxiliary control module and is used for being connected with an air inlet for a height adjusting valve on the bogie.
The above aspects and any possible implementation manners further provide an implementation manner, wherein one or two heat dissipation branches are arranged on each section of the separable vehicle body of the railway vehicle;
when two heat dissipation branches are arranged on each section of the separable vehicle body of the railway vehicle, the two heat dissipation branches are respectively arranged at two ends of a vehicle bottom frame of each section of the separable vehicle body.
The above-described aspects and any possible implementation further provide an implementation, where the heat dissipation branch includes:
the cutoff ball valve is used for controlling whether the heat dissipation branch is ventilated or not;
the overflow valve is connected cut the ball valve, when flowing out the gas pressure of the gas of cutting the ball valve exceedes when predetermineeing the wind pressure value, opens to the messenger comes from the gaseous flow direction of total reservoir the block terminal.
As to the above-mentioned aspect and any possible implementation manner, there is further provided an implementation manner, where the heat dissipation branch further includes:
and one end of the filter is connected with the cut-off ball valve, and the other end of the filter is connected with the overflow valve and used for filtering gas flowing out of the cut-off ball valve.
As to the above-mentioned aspect and any possible implementation manner, there is further provided an implementation manner, where the heat dissipation branch further includes:
the pressure reducing valve is connected with the overflow valve at one end and connected with the one-way valve at the other end and used for reducing the pressure of the gas flowing out of the overflow valve so as to ensure that the pressure of the gas flowing to the distribution box is smaller than a preset pressure value;
and one end of the check valve is connected with the pressure reducing valve, and the other end of the check valve is connected with the distribution box and used for preventing gas in the distribution box from flowing back to the pressure reducing valve.
As to the above-mentioned aspect and any possible implementation manner, there is further provided an implementation manner, where the heat dissipation branch further includes:
and one end of the adjustable blanking plug is connected with the one-way valve, and the other end of the adjustable blanking plug is connected with the distribution box and used for adjusting the flow of the gas flowing out of the one-way valve so as to control the flow of the gas flowing into the distribution box.
In a second aspect of the present disclosure, an integrated design method of a brake system of a rail vehicle adapted to a detachable car body is provided. The integrated design method comprises the following steps:
dispose integrated auxiliary control and heat dissipation module on the vehicle underframe, integrated auxiliary control and heat dissipation module include: the integrated auxiliary control module, the main air cylinder, the brake air cylinder and the heat dissipation branch circuit are arranged;
the integrated auxiliary control and heat dissipation module comprises the following working steps:
the integrated auxiliary control module receives the gas provided by the main air cylinder and divides the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder performs air braking according to the gas assistance provided by the integrated auxiliary control module;
the heat dissipation branch road will total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
It should be understood that what is described in this disclosure section is not intended to limit key or critical features of the embodiments of the disclosure, nor is it intended to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 illustrates a schematic configuration of a prior art brake system for a railway vehicle adapted with a detachable car body;
FIG. 2 shows a schematic view of a rail vehicle with detachable body;
FIG. 3 illustrates a block diagram of a braking system of a rail vehicle fitted with a detachable car body according to an embodiment of the present disclosure;
FIG. 4 illustrates a schematic diagram of a braking system of a rail vehicle adapted with a detachable car body according to an embodiment of the present disclosure;
FIG. 5 illustrates a schematic diagram of another brake system for a rail vehicle adapted to a detachable car body according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating a three-dimensional structure of an integrated auxiliary control and heat dissipation module according to an embodiment of the disclosure;
FIG. 7 is a left side view and a right side view respectively illustrating a three-dimensional structure of the integrated supplementary control and heat dissipation module of FIG. 6;
fig. 8 shows a schematic distribution of equipment on a vehicle chassis fitted with a detachable vehicle body according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are some, but not all embodiments of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the method, the integrated auxiliary control module, the main air cylinder, the braking air cylinder and the radiating branch in the braking system are designed into the integrated auxiliary control and radiating module, so that the aims of fully utilizing the limited installation space of the underframe and improving the installation efficiency of the braking system can be fulfilled; in addition, a heat radiation branch is added to the braking system of the railway vehicle with the separable vehicle body, so that the equipment in the distribution box can be ensured to have corresponding IP grades, meanwhile, the heat can be radiated in time, and the braking function and the heat radiation function of the braking system are considered.
FIG. 3 illustrates a block diagram of a braking system of a rail vehicle fitted with a detachable car body according to an embodiment of the present disclosure.
The braking system 300 includes: the integrated auxiliary control and heat dissipation module 304 is arranged on the vehicle underframe;
the integrated auxiliary control and heat dissipation module 304 includes: integration auxiliary control module, total reservoir, braking reservoir, heat dissipation branch road, wherein:
the integrated auxiliary control module is respectively connected with the main air cylinder and the brake air cylinder, is positioned on one side of the integrated auxiliary control and heat dissipation module, and is used for receiving the gas provided by the main air cylinder and shunting the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder and the main air cylinder are distributed on the other side of the integrated auxiliary control and heat dissipation module in parallel, and air braking is carried out under the assistance of gas provided by the integrated auxiliary control module; in addition, the position relationship among the integrated auxiliary control module, the master reservoir and the brake reservoir may be as shown in fig. 6.
The heat dissipation branch road, with total reservoir or the auxiliary control module that integrates is connected, be used for with total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
Through designing into integrated auxiliary control and heat dissipation module with the auxiliary control module that integrates among the braking system, total reservoir, braking reservoir, heat dissipation branch road for braking system's the degree of integrating is higher, avoids too the dispersion and occupies too much installation space, greatly saves the installation space of car chassis, and improves the convenience of installing under the car, thereby finally reaches the limited installation space of make full use of car chassis, improves the purpose of braking system installation effectiveness. Secondly, this integrated auxiliary control and heat dissipation module can set up in the vehicle underframe intermediate position.
In addition, through for braking system increases the heat dissipation branch road, can guarantee in the distribution box equipment have corresponding IP grade simultaneously, can in time dispel the heat, has compromise braking system's braking function and heat dissipation function.
In addition, fig. 1 shows a prior art brake system configuration: the system mainly comprises an air supply unit, a main air pipeline, a coupler module, a brake control unit, an air reservoir module, an auxiliary control unit module, a basic brake module and an air spring module; in the existing brake system, three air cylinders form a single air cylinder module; the compact design of the auxiliary control unit is required to be installed and connected with the brake control unit; the coupler module is used for being connected with other vehicles by adopting an electromagnetic valve and a cut-off ball valve; the air feed unit adopts piston compressor to carry out the air feed, compares with the design of traditional automatically controlled air braking system, and this disclosure still has following difference: the coupler module and the air spring reservoir are eliminated, and one interface connected to the air spring reservoir is eliminated from the interfaces of the auxiliary control unit (namely, the integrated auxiliary control module).
Finally, the braking system of the present disclosure may be adapted to an EP2002 braking system of electromechanical integration, with a speed equal to less than 200 km/h.
As shown in fig. 3, in one embodiment, the braking system 300 further includes:
the air supply module 302 is connected with the integrated auxiliary control and heat dissipation module 304 and is used for conveying air to the integrated auxiliary control and heat dissipation module;
the main air cylinder is connected with the air supply module and used for storing the gas delivered by the air supply module and supplying the gas delivered by the air supply module to the integrated auxiliary control module through a main air pipe;
the braking reservoir respectively with it is connected to integrate auxiliary control module and braking the control unit, is used for the storage integrate the gas that auxiliary control module provided, and will integrate the gas that auxiliary control module provided and supply to braking the control unit, supply braking the control unit carries out air brake.
The air supply module can supply air to the main branch cylinder after drying and impurity removal;
in addition, this disclosure can be according to the vehicle characteristic of separable automobile body, reselects the air feed module, makes its net displacement satisfy the vehicle and uses wind demand, and it is too low to be unlikely to compressor unit work coincidence rate, influences its life, consequently, this disclosure uses oil-free compressor unit as the air feed module.
And the air supply of the heat dissipation branch can be directly from the main air cylinder or from the integrated auxiliary control module, and technicians in the field can flexibly set the position of the heat dissipation branch according to own requirements, so that the air supply flexibility of the heat dissipation branch of the braking system is improved.
In one embodiment, the integrated auxiliary control and heat dissipation module further includes:
the heat dissipation branch circuit access mouth does the interface on the auxiliary control module that integrates is used for inserting the heat dissipation branch circuit, in order to supply the auxiliary control module that integrates supplies with gas extremely the heat dissipation branch circuit.
Through increasing the heat dissipation branch road access mouth on integrating auxiliary control module, can be so that the gas that divides the outflow through integrating auxiliary control module on the basis of the demand that satisfies air braking, flow direction heat dissipation branch road to the gas flows to the block terminal through the heat dissipation branch road, thereby makes the electrical equipment in the block terminal can in time dispel the heat in normal work, avoids damaging.
Of course, the position of the heat radiation branch access port at the integrated auxiliary control module is not limited in the disclosure, as long as it can be ensured that gas can flow to the heat radiation branch from the integrated auxiliary control module.
In one embodiment, one end of the heat dissipation branch is connected with the main air reservoir through the main air pipe, and the other end of the heat dissipation branch is connected with the distribution box and used for receiving the gas provided by the main air reservoir through the main air pipe.
The heat dissipation branch can also be directly connected with the main air pipe, as shown in fig. 4 and 5, so that on the basis of meeting air braking, gas in the main air pipe can be directly shunted to the heat dissipation branch for supplying the gas to flow to the distribution box through the heat dissipation branch, so that the electrical equipment in the distribution box can dissipate heat in time when working normally, and damage is avoided.
In one embodiment, the integrated auxiliary control module includes:
the traction locking releasing pressure switch is communicated with a train console and used for detecting the total wind pressure of the total wind pipe when the railway vehicle is started, and disconnecting the traction locking releasing pressure switch when the total wind pressure is smaller than a preset brake pressure and sending a traction locking indicating signal to the train console; otherwise, close to release the traction lock.
The integrated auxiliary control module can be further provided with a traction blockade pressure releasing switch, the switch is communicated with a train console and used for detecting the total wind pressure of the main wind pipe when the railway vehicle is started, and then whether the traction blockade is released or not is determined according to the total branch pressure so as to allow the railway vehicle to normally run.
In one embodiment, the bogie comprises:
the basic brake unit is connected with the brake control unit through a gas circuit, is connected with the integrated auxiliary control module through a parking pipeline, and is used for implementing or relieving air brake based on the control of the brake control unit or implementing or relieving parking brake through the parking pipeline;
height control valve, one end is connected with air spring, the other end with it is connected to integrate auxiliary control module for through receiving or discharge integrate the gas that auxiliary control module provided and adjust compressed gas in the air spring, thereby make separable automobile body keeps the stability of height.
Each bogie is provided with two air springs, each air spring is adjusted by a height adjusting valve to achieve a good adjusting function, and the height adjusting valves can compensate the height change of the vehicle body caused by the weight change of passengers. The foundation brake unit is used to apply or release various brakes.
In one embodiment, the integrated auxiliary control module includes:
the double-pulse electromagnetic valve is connected with the two-way valve and used for controlling the gas conveyed by the main air cylinder to flow to the two-way valve;
the two-way valve is used for supplying gas flowing out of the double-pulse electromagnetic valve to the parking pipeline so as to inflate the basic brake unit and control the basic brake unit to release parking brake, or the two-way valve is used for supplying gas to flow back from the basic control unit to the parking pipeline and then to be exhausted through the double-pulse electromagnetic valve so as to control the basic brake unit to implement parking brake; the two-way valve is also used for preventing the foundation brake unit from being controlled to implement parking brake and air brake at the same time through an anti-overlapping pipeline;
and the one-way valve is connected with the braking air cylinder and used for allowing the air provided by the main air pipe to flow to the braking air cylinder and preventing the air in the braking air cylinder from flowing back.
In this embodiment, the two-position three-way solenoid valve B04 provided in the auxiliary braking unit in fig. 1 is eliminated, and is changed to a double-pulse solenoid valve, and the double-pulse solenoid valve has two solenoid valves, so that after the failure of the solenoid valve on one side, the solenoid valve on the other side can still work normally through pneumatic operation.
Under normal conditions, the double-pulse electromagnetic valve is matched with the two-way valve and the parking pipeline through the electromagnetic valve on one side, the basic brake unit is inflated to enable the basic brake unit to release parking brake, or the basic brake unit discharges gas of the basic brake unit through the electromagnetic valve on the other side of the double-pulse electromagnetic valve to implement parking brake.
Secondly, the two-way valve still can with put the stack pipeline and park the pipeline and cooperate to avoid integrating auxiliary control module and brake the basic brake unit and control the implementation of basic brake unit simultaneously and park braking and air brake, and cause basic control unit's wheel pair harm, and specific cooperation principle is the same with prior art, and this disclosure is no longer repeated.
In one embodiment, the integrated auxiliary control and heat dissipation module includes:
the system comprises a main air pipeline interface 2, an air branch interface 1, a brake pipeline interface 5, a one-way valve outlet 3, a parking brake pipeline interface 6 and an air spring pipeline interface 7;
the main air pipeline interface 2 is used for connecting an outlet branch of the air supply module so that the air supply module can convey air to the main air cylinder;
the air-using branch interface 1 is an outlet of the brake air cylinder and is used for being connected to an air-using pipeline of the brake control unit so as to supply air stored in the brake air cylinder to the brake control unit through the air-using pipeline;
the brake pipeline interface 5 is used for connecting an anti-overlapping pipeline of the brake control unit;
the one-way valve outlet 3 is an outlet of the heat dissipation branch and is used for being connected with the distribution box;
the parking brake pipeline interface 6 is an interface on the integrated auxiliary control module and is used for accessing the parking pipeline;
and the air spring pipeline interface 7 is an interface on the integrated auxiliary control module and is used for being connected to an air inlet for a height adjusting valve on the bogie.
The integrated auxiliary control and heat dissipation module schematic diagram and the structure diagram are respectively shown in fig. 5 to 7, the positions of a main air pipeline interface 2, a wind branch interface 1, a brake pipeline interface 5, a one-way valve outlet 3, a parking brake pipeline interface 6 and an air spring pipeline interface 7 are also marked by numbers in fig. 5 to 7, and by arranging the integrated auxiliary control and heat dissipation module, part of scattered components in the system design can be integrated under a large modular frame to form a modular integrated auxiliary control module device which is designed into a unified mechanical interface and an electrical interface, so that the integration level of the device under the vehicle is improved, and the device is more suitable for the compact characteristic of the installation space under the vehicle of a separable vehicle body rail vehicle.
In one embodiment, each separable vehicle body of the railway vehicle is provided with one or two heat dissipation branches;
when two heat dissipation branches are arranged on each section of the separable vehicle body of the railway vehicle, the two heat dissipation branches are respectively arranged at two ends of a vehicle bottom frame of each section of the separable vehicle body.
Each section of separable car body of the railway vehicle can be provided with one or two heat dissipation branches, and the heat dissipation branches can be determined according to the ventilation requirement of the distribution box and the installation space of the car underframe. When there is only one heat dissipation branch, the schematic diagram of the control system can be as shown in fig. 5.
When each section of the separable car body of the railway vehicle is provided with two heat dissipation branches, the distribution boxes are distributed at two ends of the car underframe, so that the heat dissipation branches are distributed at two ends of the car underframe to ensure that the heat dissipation branches are distributed dispersedly, and certainly, under the condition that two heat dissipation branches are arranged, a schematic diagram of a control system can be shown in fig. 4.
In one embodiment, the heat dissipation branch includes:
the cutoff ball valve is used for controlling whether the heat dissipation branch is ventilated or not;
the overflow valve is connected cut the ball valve, when flowing out the gas pressure of the gas of cutting the ball valve exceedes when predetermineeing the wind pressure value, opens to the messenger comes from the gaseous flow direction of total reservoir the block terminal.
The heat radiation branch can be composed of a cut-off ball valve and an overflow valve, the cut-off ball valve (with an electric contact signal) is used for controlling whether the wind path of the branch is opened or not, when wind is not needed, only a handle is required to be in a cut-off position, and meanwhile, when downstream equipment needs to be maintained and replaced, the ball valve can be used for cutting off, so that unnecessary total wind leakage in the process is avoided; when the positions of the ball valves are different, the electric contact signals have signals with different high and low levels and are used for prompting the on-off of the branch circuit by personnel on the vehicle;
the overflow valve is set to a certain pressure, when the total wind pressure does not exceed the set value, the total wind pressure and the braking wind demand can be preferentially ensured, and when the total wind pressure exceeds the set value, the pressure can be led into the distribution box through the overflow valve.
In one embodiment, the heat dissipation branch further includes:
and one end of the filter is connected with the cut-off ball valve, and the other end of the filter is connected with the overflow valve and used for filtering gas flowing out of the cut-off ball valve.
Through set up the filter on the heat dissipation branch road, can ensure this branch road air quality, be unlikely to have too many impurity, oil, steam etc. in the compressed air, ensure the distribution box in equipment operational environment.
In one embodiment, the heat dissipation branch further includes:
the pressure reducing valve is connected with the overflow valve at one end and connected with the one-way valve at the other end and used for reducing the pressure of the gas flowing out of the overflow valve so as to ensure that the pressure of the gas flowing to the distribution box is smaller than a preset pressure value;
and one end of the check valve is connected with the pressure reducing valve, and the other end of the check valve is connected with the distribution box and used for preventing gas in the distribution box from flowing back to the pressure reducing valve.
Because the compressed air through the overflow valve has too big pressure, through set up the relief pressure valve on the heat dissipation branch road, the pressure after will overflowing reduces the pressure, ensures that the pressure of this branch road is unlikely to too big, avoids producing the influence to equipment in the distribution.
And the one-way valve is arranged, so that the fluctuation of the total wind pressure caused by the reverse backflow of the pressure of the radiating branch can be avoided.
In one embodiment, the heat dissipation branch further includes:
and one end of the adjustable blanking plug is connected with the one-way valve, and the other end of the adjustable blanking plug is connected with the distribution box and used for adjusting the flow of the gas flowing out of the one-way valve so as to control the flow of the gas flowing into the distribution box.
By providing the adjustable blanking plug, the flow of compressed air into the distribution box can be adjusted, from which the heat dissipation branch can be designed in the manner shown in fig. 4 or 5.
In addition, it should be noted that the auxiliary control unit in fig. 5 to 7 is the integrated auxiliary control module in fig. 4 and 5.
The technical scheme of the present disclosure will be further explained in detail with reference to fig. 1, 4 to 8:
1. the conventional brake system configuration is shown in fig. 1: the system mainly comprises an air supply unit (for drying air and removing impurities and then supplying the air to a main cylinder), a main air pipeline, a coupler module, a brake control unit, an air cylinder module, an auxiliary control unit module, a basic brake module and an air spring module;
2. in the existing brake system, three air cylinders form an independent air cylinder module; the compact design of the auxiliary control unit is required to be installed and connected with the brake control unit; the coupler module is used for being connected with other vehicles by adopting an electromagnetic valve and a cut-off ball valve; the air supply unit adopts a piston compressor to supply air;
3. compare with the design of traditional automatically controlled air brake system, this disclosure should have as follows:
4. a coupler module and an air spring reservoir are cancelled, and one interface connected to the air spring reservoir is cancelled in the interfaces of the auxiliary control unit;
5. the auxiliary control unit is separated from the brake control unit, is connected with the brake control unit through a pipeline, releases the space near the brake control unit, and redesigns the auxiliary control unit to form the integrated auxiliary control module shown in the disclosed figures 4 and 5;
6. two-position three-way solenoid valves in the existing configuration are eliminated in the auxiliary control unit, and the two-position three-way solenoid valves are updated to be double-pulse solenoid valves (in the auxiliary control device disclosed by the invention, a fault exists on one side, the double-pulse solenoid valves can be used by matching with the solenoid valves on the other side through air pressure, the double-pulse solenoid valves are only connected with two-way valves, one solenoid valve is used for exhausting air, and the other solenoid valve is connected with the two-way valves for the auxiliary control device and is used for inflating a basic brake unit); the brake control unit uses the wind of the brake air cylinder to supply the wind to the brake control unit
Integrating a traction lock release pressure switch in a new auxiliary control unit; when the train is started, the total wind pressure is measured, when the total wind pressure is low, the level is low, and the train control network is informed to tell that the train is not braked enough and can not get on the train or stops the train, when the total wind pressure is high, the train is closed, and the traction blockade is released
7. In consideration of the working environment of the distribution box on the chassis, a certain positive pressure is formed inside the box body (air inlet can prevent dust from entering), so that dust can be prevented from entering, and meanwhile, a certain ventilation quantity enters the box body to help heat dissipation of internal equipment;
8. to ensure the preferential use of the total wind pressure, the supply of air to the radiating branch is added from the downstream of the total reservoir, and equipment as shown in fig. 4 and 5 is required to be equipped, such as: cutting off a ball valve, a filter (water and impurities to avoid short circuit), an overflow valve, a pressure reducing valve, a one-way valve and an adjustable flow plug reducer (adjusting air volume);
9. the arrangement of the vehicle main air pipeline and the existing design are greatly changed due to the newly designed integrated auxiliary control module and the air for the radiating branch;
10. the basic brake unit and the air spring module are consistent with the existing design;
11. according to the design of items 4 to 11, due to equipment change, pipeline change and system air consumption characteristic change, the main air cylinder is set to have one end for air inlet and the other end for air outlet, and air inflation is performed to realize the functions of pressure stabilization, temperature reduction and water collection of the main air cylinder;
12. based on the content of 4-12, according to the vehicle characteristics of the separable vehicle body, the air supply unit is reselected, so that the net displacement of the air supply unit meets the requirement of the vehicle air, and the phenomenon that the working coincidence rate of the compressor unit is too low and the service life of the compressor unit is influenced is avoided, so that the oil-free compressor unit is used as equipment of the air supply unit;
13. since the distribution box is located at both ends of the vehicle, the branch can be designed at both ends during system design, as shown in fig. 4;
14. considering the installation space of the vehicle underframe, a branch can be adopted and then distributed to 4 distribution boxes through pipelines, as shown in fig. 5;
15. the functions of the respective apparatuses referred to in clause 9 are specifically as follows:
16. cut-off ball valve (with electrical contact signal): the ball valve is used for controlling whether the air passage of the branch is opened or not, when the air is not needed, only the handle is required to be positioned at the cut-off position, and meanwhile, when downstream equipment needs to be maintained and replaced, the ball valve can be used for cutting off, so that unnecessary total air leakage in the process is avoided; when the positions of the ball valves are different, the electric contact signals have signals with different high and low levels and are used for prompting the on-off of the branch circuit by personnel on the vehicle;
17. a filter: the air quality of the branch is ensured, so that too many impurities, oil, water vapor and the like in the compressed air are avoided, and the working environment of equipment in the distribution box is ensured;
18. an overflow valve: the overflow valve is set to a certain pressure, when the total wind pressure does not exceed the set value, the total wind pressure and the requirement of braking wind can be preferentially ensured, and when the total wind pressure exceeds the set value, the pressure can be led into the distribution box through the overflow valve;
19. a pressure reducing valve: the compressed air passing through the overflow valve has too large pressure, so that the influence on equipment in power distribution is avoided, the pressure after the overflow is required to be reduced, and the pressure of the branch is ensured not to be too large;
20. a one-way valve: compressed air passing through the pressure reducing valve enters a pipeline in front of each distribution box through the one-way valve and then enters each distribution box, so that the fluctuation of the total wind pressure caused by the reverse backflow of the pressure of the branch is avoided;
21. flow-adjustable plugging: for regulating the flow of compressed air into the electric box;
22. based on the brake system scheme design, the installation convenience of later-stage equipment is considered, part of scattered components in the system design are integrated under a large modular frame to form a modular integrated auxiliary control module device which is designed into a uniform mechanical interface and an electrical interface, so that the integration level of the equipment under the vehicle is improved, and the compact characteristic of the installation space under the vehicle of the rail vehicle with a separable vehicle body is more suitable;
23. the modular integrated auxiliary control module device related to the step 22 comprises: the main air cylinder, a part of main air pipelines, a new auxiliary control unit (comprising auxiliary control equipment, a one-way valve and a two-way valve), a brake air cylinder, a cut-off ball valve, a filter, an overflow valve, a pressure reducing valve, a one-way valve, an adjustable flow reducing plug and a traction blocking pressure switch are integrated into a large module;
24. based on the above analysis, the integrated auxiliary control modular device assembly is designed according to the design principle of fig. 4 and 5 as shown in fig. 6 to 7, wherein the positions of the pipelines are specifically shown in the figure; the No. 1 position is an air branch interface which is connected into the brake control unit and leads to an access port of the brake control unit; the No. 2 position is a main air pipeline interface and is connected with an outlet branch of the air supply unit; the No. 3 position is a one-way valve outlet branch of the heat dissipation branch and is communicated with the heat dissipation branch of the distribution box; the No. 5 position is a brake pipeline interface connected to the brake control unit; the 6 th position is a parking brake pipeline interface connected to the bogie; the 7 th position is an air spring pipeline interface and is connected to the air inlet of the height valve of the bogie at two ends;
25. the schematic diagram of the design integrated large auxiliary control module assembly on the chassis is shown in fig. 8, and the arrangement of each device needs to consider that the dynamic motion profile of the bogie between the devices cannot interfere with the fixedly installed devices, the heat dissipation of electrical devices, the electromagnetic interference, the detachability, the maintainability and the like. Wherein the serial number is 1 the vehicle bottom frame block terminal, the serial number is 2 the big module assembly of auxiliary control (23 that heap) of new design, the serial number is 3 the brake control unit, the serial number is 4 the air feed unit, the compressed air that the air feed unit produced passes through pipe connection to the big module of auxiliary control, through the reposition of redundant personnel of the auxiliary control module that integrates, send compressed air to each with wind equipment, including brake control unit's brake cylinder, the regional air spring of bogie, the block terminal is with wind, reveal etc..
In a second aspect of the present disclosure, an integrated design method of a brake system of a rail vehicle adapted to a detachable car body is provided. The integrated design method comprises the following steps:
dispose integrated auxiliary control and heat dissipation module on the vehicle underframe, integrated auxiliary control and heat dissipation module include: the integrated auxiliary control module, the main air cylinder, the brake air cylinder and the heat dissipation branch circuit are arranged;
the integrated auxiliary control and heat dissipation module comprises the following working steps:
the integrated auxiliary control module receives the gas provided by the main air cylinder and divides the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder performs air braking according to the gas assistance provided by the integrated auxiliary control module;
the heat dissipation branch road will total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
It is noted that while for simplicity of explanation, the foregoing method embodiments have been described as a series of acts or combination of acts, it will be appreciated by those skilled in the art that the present disclosure is not limited by the order of acts, as some steps may, in accordance with the present disclosure, occur in other orders and concurrently. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that acts and modules referred to are not necessarily required by the disclosure.
The above is a description of embodiments of the method, and the embodiments of the apparatus are further described below.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the described module may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
Additionally, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in two implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (14)
1. A braking system of a railway vehicle adapted to a detachable body, said detachable body being detachable from a underframe of said railway vehicle, characterized in that,
the brake system comprises an integrated auxiliary control and heat dissipation module and is arranged on the vehicle underframe;
integrated auxiliary control and heat dissipation module includes: integration auxiliary control module, total reservoir, braking reservoir, heat dissipation branch road, wherein:
the integrated auxiliary control module is respectively connected with the main air cylinder and the brake air cylinder, is positioned on one side of the integrated auxiliary control and heat dissipation module, and is used for receiving the gas provided by the main air cylinder and shunting the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder and the main air cylinder are distributed on the other side of the integrated auxiliary control and heat dissipation module in parallel, and air braking is carried out under the assistance of gas provided by the integrated auxiliary control module;
the heat dissipation branch road, with total reservoir or the auxiliary control module that integrates is connected, be used for with total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
2. The braking system of claim 1,
the brake system further includes:
the air supply module is connected with the integrated auxiliary control and heat dissipation module and used for conveying air to the integrated auxiliary control and heat dissipation module;
the main air cylinder is connected with the air supply module and used for storing the gas delivered by the air supply module and supplying the gas delivered by the air supply module to the integrated auxiliary control module through a main air pipe;
the braking reservoir respectively with it is connected to integrate auxiliary control module and braking the control unit, is used for the storage integrate the gas that auxiliary control module provided, and will integrate the gas that auxiliary control module provided and supply to braking the control unit, supply braking the control unit carries out air brake.
3. The braking system of claim 1,
integrated auxiliary control and heat dissipation module includes:
the heat dissipation branch circuit access mouth does the interface on the auxiliary control module that integrates is used for inserting the heat dissipation branch circuit, in order to supply the auxiliary control module that integrates supplies with gas extremely the heat dissipation branch circuit.
4. The braking system of claim 1,
one end of the heat dissipation branch is connected with the main air cylinder through a main air pipe, and the other end of the heat dissipation branch is connected with the distribution box and used for receiving gas provided by the main air cylinder through the main air pipe.
5. The braking system of claim 1,
the auxiliary control module integrates, includes:
the traction locking releasing pressure switch is communicated with a train console and used for detecting the total wind pressure of the total wind pipe when the railway vehicle is started, and disconnecting the traction locking releasing pressure switch when the total wind pressure is smaller than a preset brake pressure and sending a traction locking indicating signal to the train console; otherwise, close to release the traction lock.
6. The braking system of claim 2,
the bogie includes:
the basic brake unit is connected with the brake control unit through a gas circuit, is connected with the integrated auxiliary control module through a parking pipeline, and is used for implementing or relieving air brake based on the control of the brake control unit or implementing or relieving parking brake through the parking pipeline;
height control valve, one end is connected with air spring, the other end with it is connected to integrate auxiliary control module for through receiving or discharge integrate the gas that auxiliary control module provided and adjust compressed gas in the air spring, thereby make separable automobile body keeps the stability of height.
7. The braking system of claim 6,
the auxiliary control module integrates, includes:
the double-pulse electromagnetic valve is connected with the two-way valve and used for controlling the gas conveyed by the main air cylinder to flow to the two-way valve;
the two-way valve is used for supplying gas flowing out of the double-pulse electromagnetic valve to the parking pipeline so as to inflate the basic brake unit and control the basic brake unit to release parking brake, or the two-way valve is used for supplying gas to flow back from the basic control unit to the parking pipeline and then to be exhausted through the double-pulse electromagnetic valve so as to control the basic brake unit to implement parking brake; the two-way valve is also used for preventing the foundation brake unit from being controlled to implement parking brake and air brake at the same time through an anti-overlapping pipeline;
and the one-way valve is connected with the braking air cylinder and used for allowing the air provided by the main air pipe to flow to the braking air cylinder and preventing the air in the braking air cylinder from flowing back.
8. The braking system of claim 7,
integrated auxiliary control and heat dissipation module includes:
the system comprises a main air pipeline interface, an air branch interface, a brake pipeline interface, a one-way valve outlet, a parking brake pipeline interface and an air spring pipeline interface;
the main air pipeline interface is used for connecting an outlet branch of the air supply module so as to enable the air supply module to convey air to the main air cylinder;
the air-using branch interface is an outlet of the brake air cylinder and is used for being connected to an air-using pipeline of the brake control unit so as to supply air stored in the brake air cylinder to the brake control unit through the air-using pipeline;
the brake pipeline interface is used for accessing an anti-overlapping pipeline of the brake control unit;
the outlet of the one-way valve is the outlet of the heat dissipation branch and is used for being connected with the distribution box;
the parking brake pipeline interface is an interface on the integrated auxiliary control module and is used for accessing the parking pipeline;
and the air spring pipeline interface is an interface on the integrated auxiliary control module and is used for being connected with an air inlet for a height adjusting valve on the bogie.
9. A braking system according to any one of claims 1 to 8,
one or two heat dissipation branches are arranged on each section of the separable car body of the railway car;
when two heat dissipation branches are arranged on each section of the separable vehicle body of the railway vehicle, the two heat dissipation branches are respectively arranged at two ends of a vehicle bottom frame of each section of the separable vehicle body.
10. The braking system of claim 1,
the heat dissipation branch includes:
the cutoff ball valve is used for controlling whether the heat dissipation branch is ventilated or not;
the overflow valve is connected cut the ball valve, when flowing out the gas pressure of the gas of cutting the ball valve exceedes when predetermineeing the wind pressure value, opens to the messenger comes from the gaseous flow direction of total reservoir the block terminal.
11. The braking system of claim 10,
the heat dissipation branch road still includes:
and one end of the filter is connected with the cut-off ball valve, and the other end of the filter is connected with the overflow valve and used for filtering gas flowing out of the cut-off ball valve.
12. The braking system of claim 11, wherein the heat dissipating branch further comprises:
the pressure reducing valve is connected with the overflow valve at one end and connected with the one-way valve at the other end and used for reducing the pressure of the gas flowing out of the overflow valve so as to ensure that the pressure of the gas flowing to the distribution box is smaller than a preset pressure value;
and one end of the check valve is connected with the pressure reducing valve, and the other end of the check valve is connected with the distribution box and used for preventing gas in the distribution box from flowing back to the pressure reducing valve.
13. The braking system of claim 12, wherein the heat dissipating branch further comprises:
and one end of the adjustable blanking plug is connected with the one-way valve, and the other end of the adjustable blanking plug is connected with the distribution box and used for adjusting the flow of the gas flowing out of the one-way valve so as to control the flow of the gas flowing into the distribution box.
14. An integrated design method of a brake system of a railway vehicle adapted with a detachable vehicle body, the detachable vehicle body being detachable from a vehicle chassis of the railway vehicle, the integrated design method comprising:
dispose integrated auxiliary control and heat dissipation module on the vehicle underframe, integrated auxiliary control and heat dissipation module include: the integrated auxiliary control module, the main air cylinder, the brake air cylinder and the heat dissipation branch circuit are arranged;
the integrated auxiliary control and heat dissipation module comprises the following working steps:
the integrated auxiliary control module receives the gas provided by the main air cylinder and divides the gas provided by the main air cylinder to the brake air cylinder and/or the bogie;
the brake air cylinder performs air braking according to the gas assistance provided by the integrated auxiliary control module;
the heat dissipation branch road will total reservoir or the gas supply that the auxiliary control module that integrates provided extremely the block terminal, so that the block terminal dispels the heat.
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