CN114212068B - Electric-pneumatic vacuum dual-mode braking system of diesel locomotive - Google Patents
Electric-pneumatic vacuum dual-mode braking system of diesel locomotive Download PDFInfo
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- CN114212068B CN114212068B CN202111407877.9A CN202111407877A CN114212068B CN 114212068 B CN114212068 B CN 114212068B CN 202111407877 A CN202111407877 A CN 202111407877A CN 114212068 B CN114212068 B CN 114212068B
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 42
- 238000002485 combustion reaction Methods 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000011045 prefiltration Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims 3
- 239000000295 fuel oil Substances 0.000 claims 2
- 238000000746 purification Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000003584 silencer Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
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Classifications
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/004—Draining and drying devices
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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
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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
- B60T13/46—Vacuum systems
- B60T13/465—Vacuum systems for railway vehicles
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/008—Silencer devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/08—Preventing wheel slippage
- B61C15/10—Preventing wheel slippage by depositing sand or like friction increasing materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention is suitable for the technical field of diesel locomotives, and provides an electric-pneumatic vacuum dual-mode braking system of a diesel locomotive, which comprises a braking control system, an auxiliary wind system and a wind source purifying system, wherein the inside of the braking control system comprises an electric-pneumatic brake, a braking unit, a parking braking system and a vacuum brake. The electric-air vacuum dual-mode braking system of the diesel locomotive comprises an auxiliary wind system: other pneumatic devices or systems in addition to the air source purification system and the brake control system are used for improving the running conditions of the locomotive, providing better experience for the control of a driver and providing a brake control system: after the brake control system has sufficient dry wind source, the brake control system can realize the braking and release of locomotives and trains by charging and discharging the medium in the brake pipe or the vacuum brake pipe, realize other braking control functions, and can pull air vehicles and vacuum vehicles in high-standard electrified diesel locomotives.
Description
Technical Field
The invention belongs to the technical field of diesel locomotives, and particularly relates to an electric-pneumatic vacuum dual-mode braking system of a diesel locomotive.
Background
The vast majority of brake systems installed on domestic diesel locomotives are based on air brakes or electric air brakes to formulate a complete machine application technology for pulling vehicles (short for air vehicles) equipped with the air brakes; there are a small number of vehicles equipped with vacuum brakes (vacuum vehicles for short) in China, and the brake system installed on the locomotive responsible for pulling the vehicles is a complete machine application technology formulated based on the vacuum brakes.
The one-to-one brake system scheme has limitation in countries or regions with air vehicle and vacuum vehicle mixed lines, can not realize the exchange traction of air vehicle grouping and vacuum vehicle grouping, and the vacuum brake system has no functions of digitalization, networking display, diagnosis and the like, such as: the locomotive for pulling the air vehicle is provided with an air compressor, a dryer, a master cylinder and an air brake (or an electric air brake), the braking and relieving of the air vehicle are controlled by controlling the pressure change in a train pipe, when the train pipe exhausts to cause the pressure to drop, the vehicle brakes, and the locomotive for pulling the vacuum vehicle is provided with a vacuum pump, a vacuum cylinder and a vacuum brake, the braking and relieving of the vacuum vehicle are controlled by the pressure change of the vacuum train pipe, when the vacuum train pipe is communicated with the atmosphere to cause the pressure (negative pressure, absolute value) to drop, the vehicle brakes, and the locomotive for pulling the air vehicle can be known that the locomotive for pulling the air vehicle can not pull the air vehicle due to different principles, so that an air brake system or an electric air brake system is only used for pulling the air vehicle and a vacuum brake system is only used for pulling the vacuum vehicle.
The existing braking systems can not meet the requirements of both traction air vehicles and traction vacuum vehicles, and the brake with the traction air vehicles or the vacuum vehicles belongs to a mechanical air-vacuum brake, and consists of a mechanical valve, and piston reciprocating movement is carried out by pushing piston pistons in the valve body through pipeline pressure change, so that the system has no electrical interface or network interface, and the functions of digital and networked data collection, transmission, display, self diagnosis and the like can not be realized.
Disclosure of Invention
The invention provides an electric-pneumatic vacuum dual-mode braking system of an internal combustion locomotive, and aims to solve the problem that the existing braking system can not meet the requirements of both traction of an air vehicle and traction of a vacuum vehicle.
The invention discloses an electric air vacuum dual-mode braking system of an internal combustion locomotive, which comprises a braking control system, an auxiliary wind system and a wind source purifying system, wherein the interior of the braking control system comprises an electric air brake, a braking unit, a parking braking system and a vacuum brake, the braking unit is in signal connection with the electric air brake, the parking braking system is in signal connection with the braking unit, the vacuum brake is communicated with the electric air brake, the interior of the wind source purifying system comprises an air wind source system and a vacuum wind source system, the vacuum wind source system is communicated with the vacuum brake, the air wind source system is communicated with the electric air brake, the air wind source system is in signal connection with the parking braking system, the interior of the auxiliary wind system comprises a sand spraying system, a whistle system and an electronic fuel display system, the sand spraying system, the whistle system and the electronic fuel display system are all in signal connection, and the air wind source system is communicated with the whistle system.
Preferably, the air source system comprises an air compressor unit, the air compressor unit is communicated with a first buckling rubber pipe through a pipeline, a first one-way check valve is communicated with the first buckling rubber pipe through a pipeline, a first total air cylinder is communicated with the first one-way check valve through a pipeline, a safety valve is communicated with the first total air cylinder through a pipeline, and a first automatic drain valve is communicated with the first total air cylinder through a pipeline.
Preferably, the safety valve is provided with a first cut-off plug door through pipeline communication, the safety valve is provided with a minimum pressure valve through pipeline communication, the first cut-off plug door is provided with a second one-way check valve through pipeline communication, the second one-way check valve is provided with a second total air cylinder through pipeline communication, the second total air cylinder is provided with a second automatic drain valve through pipeline communication, the second automatic drain valve is provided with an electromagnetic valve through pipeline communication, the electromagnetic valve is provided with the second total air cylinder and is communicated with each other, and the electromagnetic valve and a conveying pipe at the front side of the second total air cylinder are communicated with an electric air brake and a brake branch.
Preferably, the first cut-off cock is communicated with a second cut-off cock through a pipeline, the second cut-off cock is communicated with the auxiliary wind system, a rear filter which is communicated with each other is arranged on the second cut-off cock, an air dryer which is communicated with each other is arranged on the rear filter, a third cut-off cock is communicated with the air dryer through a pipeline, and the third cut-off cock is communicated with the minimum pressure valve.
Preferably, the first cut-off cock is communicated with a fourth cut-off cock through a pipeline, the fourth cut-off cock is communicated with a pre-filter through a pipeline, the pre-filter is communicated with a first pressure switch and a second pressure switch through a pipeline, and the pre-filter, the first pressure switch and the second pressure switch are communicated with pressure test points through pipelines.
Preferably, the vacuum wind source system comprises a first connecting pipe, one end of the first connecting pipe is communicated with the vacuum brake, and a second buckling rubber pipe which is communicated with each other is arranged at the rear end of the first connecting pipe.
Preferably, the second buckling rubber pipe is communicated with a vacuum pump through a pipeline, the vacuum pump is communicated with a third buckling rubber pipe through a pipeline, the third buckling rubber pipe is communicated with an oil filter through a pipeline, and a fifth cutoff plug door is arranged on the oil filter.
Preferably, the oil filter is communicated with a silencer through a pipeline, the silencer is communicated with a second connecting pipe through a pipeline, and the other end of the second connecting pipe is communicated with the exhaust port.
Preferably, the electric air brake comprises an electronic brake valve EBV, a brake display screen LCD, an integrated processor module M-IPM, a relay interface module RIM and an electric air control unit EPCU.
Preferably, the electronic brake valve EBV is connected with the electric air control unit EPCU through a circuit, the brake display screen LCD is connected with the integrated processor module M-IPM through a circuit, and the integrated processor module M-IPM is connected with the relay interface module RIM through a circuit.
Compared with the prior art, the invention has the beneficial effects that: according to the electric-air vacuum dual-mode braking system of the diesel locomotive, provided by the invention, the wind source purifying system, the auxiliary wind consuming system and the braking control system are arranged, so that the wind source purifying system is as follows: the system provides dry, clean and stable wind sources meeting the requirements for various pneumatic valves and devices on the train, and assists the wind system: other pneumatic devices or systems in addition to the air source purification system and the brake control system are used for improving the running conditions of the locomotive, providing better experience for the control of a driver and providing a brake control system: after the brake control system has sufficient dry wind source, the brake and the release of the locomotive and the train can be realized by charging and discharging the medium in the brake pipe or the vacuum brake pipe, other brake control functions are realized, the diesel locomotive with high standard electrification can be used for pulling an air vehicle and a vacuum vehicle, the adaptability of the diesel locomotive to the international market is improved, and the problem that the existing brake system can not meet the requirements of pulling the air vehicle and the vacuum vehicle is solved.
Drawings
FIG. 1 is a schematic block diagram of an electric air-vacuum dual mode brake system for an internal combustion locomotive of the present invention;
FIG. 2 is a schematic diagram of the air path of the air source system of the present invention;
FIG. 3 is a schematic diagram of a vacuum air supply system according to the present invention;
FIG. 4 is a block diagram of the topology of the brake control system of the present invention.
In the figure: 1-air compressor package, 2-first withhold hose, 3-first one-way check valve, 4-first total reservoir, 5-first automatic drain valve, 6-relief valve, 7-first shutoff plug, 8-second shutoff plug, 9-post filter, 10-second one-way check valve, 11-air dryer, 12-second automatic drain valve, 13-second total reservoir, 14-solenoid valve, 15-minimum pressure valve, 16-third shutoff plug, 17-fourth shutoff plug, 18-pre-filter, 19-pressure test point, 20-first pressure switch, 21-second pressure switch, 22-first connecting tube, 23-vacuum pump, 24-muffler, 25-fifth shutoff plug, 26-second connecting tube, 27-brake control system, 28-auxiliary air system, 29-air source purification system, 30-air source system, 31-vacuum air source system, 32-second withhold hose, 33-oil filter, 34-third withhold hose.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: an electric vacuum dual mode brake system for an internal combustion locomotive includes a brake control system 27, an auxiliary wind system 28 and a wind source purification system 29.
The brake control system 27 comprises an electric air brake, a brake unit, a parking brake system and a vacuum brake, wherein the brake unit is in signal connection with the electric air brake, the parking brake system is in signal connection with the brake unit, and the vacuum brake is communicated with the electric air brake.
The air source purifying system 29 comprises an air source system 30 and a vacuum air source system 31, wherein the vacuum air source system 31 is communicated with a vacuum brake, the air source system 30 is communicated with an electric air brake, and the air source system 30 is in signal connection with a parking brake system.
The auxiliary air system 28 includes a sanding system, a whistle system and an electronic fuel display system, and the sanding system, the whistle system and the electronic fuel display system are all connected by signals, and the air source system 30 is communicated with the whistle system.
In the present embodiment, by providing the wind source purification system, the auxiliary wind system, and the brake control system, the wind source purification system: the system provides dry, clean and stable wind sources meeting the requirements for various pneumatic valves and devices on the train, and assists the wind system: other pneumatic devices or systems in addition to the air source purification system and the brake control system are used for improving the running conditions of the locomotive, providing better experience for the control of a driver and providing a brake control system: after the brake control system has sufficient dry wind source, the brake and the release of the locomotive and the train can be realized by charging and discharging the medium in the brake pipe or the vacuum brake pipe, other brake control functions are realized, the diesel locomotive with high standard electrification can be used for pulling an air vehicle and a vacuum vehicle, the adaptability of the diesel locomotive to the international market is improved, and the problem that the existing brake system can not meet the requirements of pulling the air vehicle and the vacuum vehicle is solved.
Further, the air source system 30 includes an air compressor unit 1, the air compressor unit 1 is communicated with a first buckling rubber tube 2 through a pipeline, the first buckling rubber tube 2 is communicated with a first one-way check valve 3 through a pipeline, the first one-way check valve 3 is communicated with a first total air cylinder 4 through a pipeline, the first total air cylinder 4 is communicated with a safety valve 6 through a pipeline, and the first total air cylinder 4 is communicated with a first automatic drain valve 5 through a pipeline.
In this embodiment, the pipe diameter at both ends of the first buckling rubber pipe 2 is 35mm, the wall thickness is 2mm, the pipe diameter between the first one-way check valve 3 and the first total air cylinder 4 is 35mm, the wall thickness is 2mm, the pipe diameter between the first total air cylinder 4 and the safety valve 6 is 28mm, the wall thickness is 2mm, the pipe diameter between the first total air cylinder 4 and the first automatic drain valve 5 is 12mm, and the wall thickness is 1.5mm.
Further, the safety valve 6 is communicated with the first cut-off cock 7 through a pipeline, the safety valve 6 is communicated with the minimum pressure valve 15 through a pipeline, the first cut-off cock 7 is communicated with the second one-way check valve 10 through a pipeline, the second one-way check valve 10 is communicated with the second main air cylinder 13 through a pipeline, the second main air cylinder 13 is communicated with the second automatic drain valve 12 through a pipeline, the second automatic drain valve 12 is communicated with the electromagnetic valve 14 through a pipeline, the electromagnetic valve 14 is communicated with the second main air cylinder 13, and the electromagnetic valve 14 and a conveying pipe at the front side of the second main air cylinder 13 are communicated with the electric air brake and the brake branch.
In the present embodiment, the pipe diameter between the safety valve 6 and the first cut-off cock 7 is 28mm, the wall thickness is 2mm, the pipe diameter between the first cut-off cock 7 and the post-filter 9 is 28mm, the wall thickness is 2mm, the pipe diameter between the solenoid valve 14 and the brake branch is 12mm, the wall thickness is 1.5mm, the pipe diameter between the second total reservoir 13 and the brake branch is 35mm, and the wall thickness is 2mm.
Further, the first cut-off cock 7 is communicated with a second cut-off cock 8 through a pipeline, the second cut-off cock 8 is communicated with an auxiliary air system 28, the second cut-off cock 8 is provided with a post filter 9 which is communicated with each other, the post filter 9 is provided with an air dryer 11 which is communicated with each other, the air dryer 11 is communicated with a third cut-off cock 16 through a pipeline, and the third cut-off cock 16 is communicated with a minimum pressure valve 15.
In the present embodiment, the pipe diameters of the pipes among the second cutoff plug door 8, the post-filter 9, the air dryer 11 and the third cutoff plug door 16 are 28mm, the wall thickness is 2mm, the pipe diameter of the water inlet pipe of the third cutoff plug door 16 is 28mm of the auxiliary wind system, the wall thickness is 2mm, the pipe diameter of the water inlet pipe of the minimum pressure valve 15 is 22mm, and the wall thickness is 2mm.
Further, the first cut-off cock 7 is connected with a fourth cut-off cock 17 through a pipeline, the fourth cut-off cock 17 is connected with a pre-filter 18 through a pipeline, the pre-filter 18 is connected with a first pressure switch 20 and a second pressure switch 21 through a pipeline, and the pre-filter 18, the first pressure switch 20 and the second pressure switch 21 are connected with a pressure test point 19 through a pipeline.
In the present embodiment, the water inlet pipe diameter of the fourth shut-off valve 17 is 12mm, the wall thickness is 1.5mm, the pipe diameters between the prefilter 18, the first pressure switch 20 and the second pressure switch 21 are 12mm, and the wall thickness is 1.5mm.
The working principle of the air source system 30 is shown in fig. 2, the working distance of the air source system 30 is that compressed air is generated by taking an air compressor unit 1 as a power source, and enters a first main air cylinder 4 for cooling, rough filtration and pressure stabilization after passing through a first one-way check valve 3, the compressed air is mainly divided into two branches after passing through the first one-way check valve 3, one branch is supplied to a reconnection pipeline, the other branch enters an air dryer 11 for filtration and then is supplied to the inside of an auxiliary air system 28, the other branch enters a second main air cylinder 13 for storage, and finally is supplied to a brake for use, and accumulated water in the two main air cylinders is periodically discharged through a first automatic drain valve 5 and a second automatic drain valve 12 at a drain port.
Further, the vacuum air source system 31 includes a first connecting pipe 22, one end of the first connecting pipe 22 is communicated with the vacuum brake, and a second buckling rubber pipe 32 which is mutually communicated is arranged at the rear end of the first connecting pipe 22.
Further, the second buckling rubber pipe 32 is communicated with a vacuum pump 23 through a pipeline, the vacuum pump 23 is communicated with a third buckling rubber pipe 34 through a pipeline, the third buckling rubber pipe 34 is communicated with an oil filter 33 through a pipeline, and the oil filter 33 is provided with a fifth cutoff plug door 25.
Further, the oil filter 33 is connected to the muffler 24 through a pipe, the muffler 24 is connected to the second connection pipe 26 through a pipe, and the other end of the second connection pipe 26 is connected to the exhaust port.
The working principle of the vacuum air source system 31 is as shown in fig. 3, and the air compressor unit 1 continuously operates to provide a power source for the vacuum brake, air pumped out from the vacuum pipeline is filtered by the auxiliary air system 28, most of oil gas in the air is filtered, oil stain is discharged from the fifth cut-off plug door 25, and the filtered air is noise-reduced by the silencer 24 and then discharged to the atmosphere through the second connecting pipe 26.
Further, the electric air brake comprises an electronic brake valve EBV, a brake display screen LCD, an integrated processor module M-IPM, a relay interface module RIM and an electric air control unit EPCU.
Further, the electronic brake valve EBV is connected with the electric air control unit EPCU through a circuit, the brake display screen LCD is connected with the integrated processor module M-IPM through a circuit, and the integrated processor module M-IPM is connected with the relay interface module RIM through a circuit.
In this embodiment, the brake control system 27 is composed of a plurality of components, which have various control or communication interfaces, and the interior of the electric air brake is communicated by adopting a LonWorks network, the data transmission is performed between the brake and the display screen through an RS422, the communication is performed between the brake and the locomotive microcomputer through an MVB network, as shown in fig. 4 and table 1, by adopting a network communication protocol which is output to the TCMS through the MVB port of the brake, the brake system can be matched with the locomotive microcomputer network control system to realize the functions of displaying, monitoring, analyzing and diagnosing that a plurality of pressures include train pipe pressure, total air pipe pressure, average pipe pressure, brake cylinder pipe pressure, parking brake release pressure, vacuum air cylinder pressure, vacuum train pipe pressure and the like.
In this embodiment, the brake control system 27 has a communication port of MVB, and can perform network communication with the microcomputer network control system TCMS of the locomotive, so as to display the main state parameter information of the brake, such as brake pipe pressure, total wind pressure, equalizing reservoir pressure, brake cylinder pressure, and parking brake, so as to realize the state monitoring and analysis and diagnosis of the brake system.
Table 1 partial communication protocol for brake system output MVB network
The working principle and the using flow of the invention are as follows: the control logic and the working principle of the air source system are shown in fig. 2, compressed air is generated by taking an air compressor unit 1 as a power source, and enters a first total air cylinder 4 for cooling, rough filtration and pressure stabilization after passing through a first one-way check valve 3, then the compressed air is mainly divided into two branches after passing through the first total air cylinder 4, one branch is supplied to a reconnection pipeline, the other branch enters an air dryer 11 for filtration and then is supplied to an auxiliary air system 28, the other branch enters a second total air cylinder 13 for storage, and finally is supplied to a brake, and accumulated water in the first total air cylinder 4 and the second total air cylinder 13 is periodically discharged through a first automatic drain valve 5 or a second automatic drain valve 12 at a drain port.
The working principle of the vacuum wind source system is shown in figure 3. The vacuum brake is continuously operated by a vacuum pump 23 to provide a power source for the vacuum brake, air pumped out from a vacuum pipeline is filtered by an auxiliary air system 28, most of oil and gas in the air are filtered, oil stains are discharged from a fifth cutoff plug door 25, and the filtered air is noise-reduced by a silencer 24 and then discharged to the atmosphere through a second connecting pipe 26.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. An electric air vacuum dual-mode braking system of an internal combustion locomotive is characterized in that: including braking control system (27), auxiliary wind system (28) and wind source clean system (29), the inside of braking control system (27) is including electric empty brake, brake unit, parking brake system and vacuum brake, brake unit with electric empty brake signal connection, parking brake system with brake unit signal connection, vacuum brake with electric empty brake intercommunication each other, the inside of wind source clean system (29) is including air wind source system (30) and vacuum wind source system (31), vacuum wind source system (31) with vacuum brake intercommunication each other, air wind source system (30) with electric empty brake intercommunication each other, air wind source system (30) with parking brake system signal connection, the inside of auxiliary wind system (28) is including sanding system, whistle system and electronic fuel oil display system, just the whistle system with electronic fuel oil display system all passes through signal connection, air wind source system (30) are linked together with the whistle system.
2. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 1 wherein: the inside of air fan system (30) is including air compressor unit (1), first rubber tube (2) of withholding through pipeline intercommunication on air compressor unit (1), there is first one-way check valve (3) through pipeline intercommunication on first rubber tube (2) of withholding, there is first total reservoir (4) through pipeline intercommunication on first one-way check valve (3), there is relief valve (6) through pipeline intercommunication on first total reservoir (4), there is first automatic drain valve (5) through pipeline intercommunication on first total reservoir (4).
3. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 2 wherein: there is first stop cock (7) through the pipeline intercommunication on relief valve (6), there is minimum pressure valve (15) through the pipeline intercommunication on relief valve (6), there is second one-way check valve (10) through the pipeline intercommunication on first stop cock (7), there is second total pneumatic cylinder (13) through the pipeline intercommunication on second one-way check valve (10), there is second automatic drain valve (12) through the pipeline intercommunication on second total pneumatic cylinder (13), there is solenoid valve (14) through the pipeline intercommunication on second automatic drain valve (12), on solenoid valve (14) with the delivery pipe of second total pneumatic cylinder (13) front side all with electric air brake and brake machine branch road communicate each other.
4. An electric air vacuum dual mode brake system for an internal combustion locomotive as set forth in claim 3 wherein: the utility model discloses a novel air dryer, including first stopper door (7) is cut off to the first back filter (9) that cuts off, there is second stopper door (8) through the pipeline intercommunication on first stopper door (7), second cut off on stopper door (8) with auxiliary wind system (28) communicate each other, be provided with post filter (9) of mutual intercommunication on second cut off stopper door (8), be provided with air dryer (11) of mutual intercommunication on post filter (9), there is third to cut off stopper door (16) through the pipeline intercommunication on air dryer (11), third cut off stopper door (16) with minimum pressure valve (15) are linked together.
5. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 4 wherein: the first cut-off cock (7) is communicated with a fourth cut-off cock (17) through a pipeline, the fourth cut-off cock (17) is communicated with a pre-filter (18) through a pipeline, the pre-filter (18) is communicated with a first pressure switch (20) and a second pressure switch (21) through a pipeline, and the pre-filter (18), the first pressure switch (20) and the second pressure switch (21) are communicated with a pressure test point (19) through a pipeline.
6. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 1 wherein: the inside of vacuum wind source system (31) is including first connecting pipe (22), the one end of first connecting pipe (22) with vacuum brake is linked together, the rear end of first connecting pipe (22) is provided with second withhold rubber tube (32) of mutual intercommunication.
7. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 6 wherein: the second buckling rubber pipe (32) is communicated with a vacuum pump (23) through a pipeline, the vacuum pump (23) is communicated with a third buckling rubber pipe (34) through a pipeline, the third buckling rubber pipe (34) is communicated with an oil filter (33) through a pipeline, and a fifth cutoff plug door (25) is arranged on the oil filter (33).
8. An electric air vacuum dual mode brake system for an internal combustion locomotive as set forth in claim 7 wherein: the oil filter (33) is communicated with the muffler (24) through a pipeline, the muffler (24) is communicated with the second connecting pipe (26) through a pipeline, and the other end of the second connecting pipe (26) is communicated with the exhaust port.
9. An electric air vacuum dual mode brake system for an internal combustion locomotive as defined in claim 1 wherein: the electric air brake comprises an electronic brake valve EBV, a brake display screen LCD, an integrated processor module M-IPM, a relay interface module RIM and an electric air control unit EPCU.
10. An electric air vacuum dual mode brake system for an internal combustion locomotive as set forth in claim 9 wherein: the electronic brake valve EBV is connected with the electric air control unit EPCU through a circuit, the brake display screen LCD is connected with the integrated processor module M-IPM through a circuit, and the integrated processor module M-IPM is connected with the relay interface module RIM through a circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407877.9A CN114212068B (en) | 2021-11-24 | 2021-11-24 | Electric-pneumatic vacuum dual-mode braking system of diesel locomotive |
| PCT/CN2022/123337 WO2023093305A1 (en) | 2021-11-24 | 2022-09-30 | Electro-pneumatic vacuum dual-mode braking system of internal combustion locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407877.9A CN114212068B (en) | 2021-11-24 | 2021-11-24 | Electric-pneumatic vacuum dual-mode braking system of diesel locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114212068A CN114212068A (en) | 2022-03-22 |
| CN114212068B true CN114212068B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111407877.9A Active CN114212068B (en) | 2021-11-24 | 2021-11-24 | Electric-pneumatic vacuum dual-mode braking system of diesel locomotive |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114212068B (en) |
| WO (1) | WO2023093305A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212068B (en) * | 2021-11-24 | 2023-06-30 | 中车大连机车车辆有限公司 | Electric-pneumatic vacuum dual-mode braking system of diesel locomotive |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB195752A (en) * | 1922-01-06 | 1923-04-06 | Gen Electric | Improvements in and relating to combined compressed air and vacuum brake systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2149298B1 (en) * | 1971-08-19 | 1974-03-29 | Westinghouse Freins & Signaux | |
| FR2817224B1 (en) * | 2000-11-29 | 2003-01-10 | Bosch Gmbh Robert | ASSISTED BRAKING DEVICE FOR A MOTOR VEHICLE |
| CN201102477Y (en) * | 2007-11-27 | 2008-08-20 | 中国北车集团大连机车车辆有限公司 | Rheostatic braking switch control device of diesel locomotive |
| US8010246B2 (en) * | 2008-02-14 | 2011-08-30 | New York Air Brake Corporation | Locomotive air/vacuum control system |
| CN201276112Y (en) * | 2008-10-14 | 2009-07-22 | 西安轨道交通装备有限责任公司 | Lorry with vacuum braking system arranged at end |
| CN201544948U (en) * | 2009-12-15 | 2010-08-11 | 南车资阳机车有限公司 | Railway engine vacuum-air dual-purpose brake capable of graduated release |
| EA023187B1 (en) * | 2010-09-20 | 2016-05-31 | Кнорр-Бремзе Зюстеме Фюр Шиненфарцойге Гмбх | Control valve having a variable nozzle cross-section for automatic compressed-air brakes |
| JP2017159711A (en) * | 2016-03-07 | 2017-09-14 | ちぐさ技研工業株式会社 | Rail electric vehicle for slope land |
| CN109050505B (en) * | 2018-07-10 | 2020-03-13 | 中车大连机车车辆有限公司 | Locomotive wind source system |
| CN109987112B (en) * | 2019-03-07 | 2020-04-21 | 克诺尔车辆设备(苏州)有限公司 | Auxiliary brake control system for rail transit vehicle |
| CN112537284B (en) * | 2020-12-14 | 2022-03-18 | 中车唐山机车车辆有限公司 | Rail train's braking air supply system and rail train |
| CN114212068B (en) * | 2021-11-24 | 2023-06-30 | 中车大连机车车辆有限公司 | Electric-pneumatic vacuum dual-mode braking system of diesel locomotive |
-
2021
- 2021-11-24 CN CN202111407877.9A patent/CN114212068B/en active Active
-
2022
- 2022-09-30 WO PCT/CN2022/123337 patent/WO2023093305A1/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB195752A (en) * | 1922-01-06 | 1923-04-06 | Gen Electric | Improvements in and relating to combined compressed air and vacuum brake systems |
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| Publication number | Publication date |
|---|---|
| CN114212068A (en) | 2022-03-22 |
| WO2023093305A1 (en) | 2023-06-01 |
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