JP7340662B1 - Brake control device and how to connect the brake control device - Google Patents

Abstract

The present invention provides a brake control device and a method for connecting the brake control device that facilitates design work. [Solution] The brake control device has an input port into which compressed air supplied from a tank is input, and an output which adjusts the flow rate or pressure of the input compressed air and outputs compressed air for operating the brake device. A plurality of regulating valves 11 are provided. Each regulating valve 11 has a back plate 20 formed with an air flow path including an input flow path connected to an input port and a signal flow path connected to an output port through which compressed air output from the adjustment valve flows. Be prepared. The back plates 20 are connected so that their air flow paths communicate with each other. [Selection diagram] Figure 2

Description

The present invention relates to a brake control device and a method for connecting the brake control device.

The brake control device described in Patent Document 1 includes a solenoid valve that outputs a brake command pressure (pneumatic pressure) according to a brake command signal (electrical signal) output from a pressure control section, and a brake command pressure that the solenoid valve outputs. The relay valve is equipped with a relay valve that uses the control pressure as a control pressure, amplifies the capacity based on the control pressure, and outputs the amplified control pressure to the brake device. The brake control device also includes a variable load valve that detects pressure changes depending on the load of passengers, cargo, etc., and provides the detected output to the relay valve. Solenoid valves include relay valves, double check valves, and variable load valves.

Japanese Patent Application Publication No. 2013-112307

By the way, the brake control device described in Patent Document 1 includes a plate provided with an air passage for a solenoid valve such as a relay valve, a double check valve, and a variable load valve, and this plate is connected to a valve block or pipe provided with a valve body. fixed to the seat. This plate allows the positions of the solenoid valve and valve block to be freely designed. However, each time the type or number of valve bodies changes, the required piping changes, so the pipe seat and plate must be redesigned, making the design work complicated.

A brake control device that solves the above problems includes an input port into which fluid supplied from a fluid source is input, and an output that adjusts the flow rate or pressure of the input fluid and outputs fluid for operating the brake device. and a plurality of regulating valves each having an input channel connected to the input port, and a signal channel connected to the output port through which the fluid output from the regulating valve flows. and a back plate having an air flow path formed therein, and the back plates are connected to each other so that the air flow paths communicate with each other.

According to the above configuration, the flow paths of each regulating valve are connected by the back plate having a common air flow path. Therefore, even if the combination of regulating valves is changed, the air flow path can be connected by the back plate provided in the regulating valves, and new piping design is not required. Therefore, design work is easy.

The brake control device includes a connection plate that is provided between the back plates and has a connection flow path that connects the air flow path of one of the back plates to the air flow path of the other back plate. It is preferable.

In the brake control device described above, it is preferable that the connection plate is a plate in which plate materials in which different flow paths are formed are laminated.
Regarding the brake control device, a set of the input flow paths is formed in the back plate, and the set of input flow paths of the back plates located at the ends of the connected back plates are communicated with each other. However, it is preferable to include a communication plate that covers the air flow path of the back plate located at the end.

In the brake control device, each of the regulating valves includes the input flow path and the signal flow channel common to the back plate, and the back plate has the input port and the signal flow path common to the back plate. It is preferable to include a first connection path that connects the input flow path and a second connection path that connects the output port and the signal flow path.

Regarding the brake control device, the brake device is provided for each wheel of the railway vehicle and is controlled for each bogie, and one of the adjustment valves is a first brake device that is a group of electromagnetic valves that actuate the first brake device. a second electromagnetic valve group that is a collection of electromagnetic valves that actuate a second brake device, and the first electromagnetic valve group and the second electromagnetic valve group are attached to one back plate. The input port of the first electromagnetic valve group and the input port of the second electromagnetic valve group are preferably connected to each of a set of input channels formed in the back plate.

Regarding the brake control device, the brake device is provided for each wheel of the railway vehicle and is controlled for each vehicle, and one of the adjustment valves is configured to control all the brake devices provided in one of the railway vehicles. It is preferable that the apparatus includes a solenoid valve group that is a group of solenoid valves that operate the solenoid valve group, and that an input port of the solenoid valve group is connected to the input flow path.

A connection method for a brake control device that solves the above problems includes an input port into which fluid supplied from a fluid source is input, and a fluid for operating the brake device by adjusting the flow rate or pressure of the input fluid. and a plurality of regulating valves each having an input flow path connected to the input port, and an input flow path connected to the output port through which the fluid output from the regulating valve flows. A method for connecting brake control devices each including a back plate formed with an air flow path including a signal flow path, the step of connecting the back plates so that the air flow paths communicate with each other. , a fixing step of fixing the connected back plate.

According to the above method, the flow paths of each regulating valve are connected by a back plate having a common air flow path. Therefore, even if the combination of regulating valves is changed, the flow paths of the regulating valves can be connected by the back plate provided in the regulating valves, and new piping design is not required. Therefore, design work is easy.

According to the present invention, design work is easy.

FIG. 1 is a front view showing the configuration of a first embodiment of a brake control device. It is an enlarged front view showing the composition of the air part of the brake control device of the same embodiment. (a) It is a front view which shows the air flow path of the back plate of the regulating valve module of the same embodiment, (b) It is a right view which shows the air flow path of the back plate of the regulating valve module of the same embodiment. (a) It is a front view which shows the air flow path of the back plate of the regulating valve module of the same embodiment, (b) It is a right view which shows the air flow path of the back plate of the regulating valve module of the same embodiment. (a) It is a front view which shows the connection plate of the regulation valve module of the same embodiment, (b) It is a partially enlarged front view which shows the structure of the connection plate of the regulation valve module of the same embodiment. (a) to (e) are right side views showing the configuration of a connection plate of the regulating valve module of the same embodiment. It is a block diagram showing the schematic structure of the air path of the brake control device of the same embodiment. FIG. 3 is a front view showing the configuration of a second embodiment of the brake control device. It is an enlarged front view showing the composition of the air part of the brake control device of the same embodiment. It is a block diagram showing the schematic structure of the air path of the brake control device of the same embodiment. It is a front view which shows the modification of the module of the air part of a brake control device. It is a front view which shows the modification of the module of the air part of a brake control device. It is a front view which shows the modification of the module of the air part of a brake control device. It is a front view which shows the modification of the module of the air part of a brake control device.

(First embodiment)
A first embodiment of the brake control device will be described below with reference to FIGS. 1 to 7. The brake control device brakes the railway vehicle by controlling the brake device of the railway vehicle. A brake device is provided for each wheel of a railway vehicle. The brake control device 1 of the first embodiment is provided for each vehicle of a railway vehicle, and controls all brake devices provided in the same vehicle.

(Brake control device 1)
As shown in FIG. 1, the brake control device 1 includes an air section 2 and an electric section 3. The brake control device 1 includes a case 4 in the shape of a rectangular parallelepiped. The case 4 houses the air section 2 and the electrical section 3. The air section 2 is located at the lower part of the case 4, and the electric section 3 is located at the upper part of the case 4. A connecting portion 5 that is connected to a control device (not shown) of a railway vehicle is provided on the right side surface of the case 4 in the drawing. The air section 2 adjusts the flow rate or pressure of compressed air supplied from a tank (not shown) that is a fluid source, and supplies the compressed air to a brake device (not shown). The air section 2 is provided with a plurality of regulating valves 11. The electric section 3 includes a brake controller 71. The brake controller 71 controls the air section 2 by electrically controlling a plurality of regulating valves 11 provided in the air section 2 . The air section 2 and the electric section 3 are electrically connected by a connecting wire (not shown).

(Air part 2)
As shown in FIG. 2, the air section 2 includes a plurality of regulating valve modules 10 having different functions. The regulating valve module 10 is a module including a regulating valve 11 and a back plate 20. The back plate 20 has a plate shape and is provided with an air flow path 23. Each regulating valve 11 is fixed to the back plate 20 by fastening a plurality of screws 12 into mounting holes 21 provided in the back plate 20. The air section 2 includes, from the right in the figure, a variable load valve module 30, a solenoid valve module 40, and a relay valve module 50. Closing plates 80 are provided at both ends of these modules to close the air passages 23 on the sides of the back plate 20, and are fixed with bolts 13 and nuts 14. A bolt 13 is inserted into a fixing hole 22, which is a through hole provided in the back plate 20, and a nut 14 is fastened to the bolt 13. A connection plate 60 is sandwiched between the regulating valve modules 10. The connection plate 60 has a connection flow path that connects the air flow path 23 of one back plate 20 and the air flow path 23 of the other back plate 20 .

As shown in FIGS. 3(a) and 3(b), a common air flow path 23 is formed in the back plate 20. The air flow path 23 is a plurality of through holes connecting the long sides of the back plate 20. The air flow path 23 includes two input flow paths, a first input flow path L1 and a second input flow path L2, through which compressed air supplied from a tank flows. The first input channel L1 is provided near the upper end of the back plate 20 in the figure. The second input channel L2 is provided near the lower end of the back plate 20 in the figure. Further, the air flow path 23 includes a first signal flow path S1, a second signal flow path S2, a third signal flow path S3, and a fourth signal flow path S4 through which at least one of the compressed air outputted from the regulating valve 11 flows. It is equipped with 4 pieces. The back plate 20 is provided with three fixing holes 22. The first signal flow path S1, the second signal flow path S2, the third signal flow path S3, and the fourth signal flow path S4 are not connected to the three fixing holes 22. The back plate 20 is made of an aluminum material, for example, and is formed by pultrusion including the air flow path 23. Note that the back plate 20 may be formed including the air flow path 23 by extrusion molding. With such a molding method, the number of processing steps can be reduced and costs can be reduced. Further, the back plate 20 may be formed by forming through holes in the plate material using a drill or the like. Further, compressed air input to the regulating valve 11 may flow through the first signal flow path S1, the second signal flow path S2, the third signal flow path S3, and the fourth signal flow path S4.

As shown in FIGS. 4(a) and 4(b), in addition to the common air flow path 23, the back plate 20 is connected to the regulating valve 11 in accordance with the regulating valve 11 fixed to the back plate 20. A plurality of connecting paths are formed. For example, the first connection path 25 connects the input port of the regulating valve 11 and the second input flow path L2. The second connection path 26 connects the input port of the regulating valve 11 and the second signal flow path S2. The third connection path 27 connects the input port of the regulating valve 11 and the third signal flow path S3. The fourth connection path 28 connects the output port of the regulating valve 11 and the back surface of the back plate 20. The fifth connection path 29 connects the discharge port of the regulating valve 11 and the back surface of the back plate 20. The back plate 20 is provided with a supply path 24 that supplies compressed air from a tank to the first input flow path L1. Note that the number and position of the connection paths and supply paths provided in each back plate 20 differ depending on each regulating valve 11. The first connection path 25, the second connection path 26, and the third connection path 27 function as a first connection path. Further, the fourth connection path 28 functions as a second connection path.

As shown in FIGS. 5A and 5B, the connection plate 60 is a plate formed by joining three plates with brazing sheets 62 and 64. A brazing sheet 62 is provided between the first connection plate 61 and the second connection plate 63, and a brazing sheet 64 is provided between the second connection plate 63 and the third connection plate 65. The brazing sheets 62 and 64 are sheets that are connected by soldering.

As shown in FIGS. 6(a) to 6(e), the first connection plate 61, the second connection plate 63, and the third connection plate 65 have a first input channel L1 as well as the back plate 20. , a second input channel L2, a first signal channel S1, a second signal channel S2, a third signal channel S3, and a fourth signal channel S4 are formed. The connection plate 60 is a plate in which plate materials in which different flow paths are formed are laminated. For example, by connecting the second signal flow path S2 and the third signal flow path S3 like the second connection plate 63, and by blocking the second signal flow path S2 like the third connection plate 65, the air flow path 23 can be closed. You can change the connection destination. Since the connection destination of the air flow path 23 can be changed in the connection plate 60, there is no need to form a flow path in the back plate 20 for changing the connection destination of the air flow path 23.

As shown in FIG. 7, the variable load valve 31 of the variable load valve module 30 receives air pressure signals from four variable load sensors AS1, AS2, AS3, and AS4 that measure the load applied to the vehicle. Connection paths for inputting air pressure signals from the variable load sensors AS1, AS2, AS3, and AS4 are the first signal flow path S1, the second signal flow path S2, and the third signal flow path S3 of the back plate 20 of the variable load valve module 30. , and the fourth signal flow path S4, respectively. The variable load valve module 30 includes pressure sensors PS1, PS2, PS3, and PS4 that detect the air pressures of the first signal flow path S1, the second signal flow path S2, the third signal flow path S3, and the fourth signal flow path S4, respectively. It is equipped with The pressure sensors PS1, PS2, PS3, and PS4 can respectively detect the air pressure of the air pressure signals input from the variable load sensors AS1, AS2, AS3, and AS4. The pressure sensors PS1, PS2, PS3, and PS4 are connected to the brake controller 71 and output the detected air pressure to the brake controller 71. The variable load valve 31 changes the flow rate of the compressed air supplied from the tank 6 to match the variable load and outputs it to the electromagnetic valve module 40 . That is, the input port 31A of the variable load valve 31 is connected to the second input flow path L2. As a result, compressed air from the tank 6 is input to the variable load valve 31 from the second input flow path L2. The output port 31B of the variable load valve 31 is connected to a third signal flow path S3, which is one of the signal flow paths. The third signal flow path S3 is separated into a passage communicating with the variable load sensor AS3 and a passage communicating with the variable load valve 31 in the variable load valve module 30. The discharge port 31C of the variable load valve 31 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. Note that "EX" in the figure means discharge to the outside.

The solenoid valve module 40 includes a first solenoid valve 41 , a second solenoid valve 42 , and a third solenoid valve 43 . The first solenoid valve 41 and the second solenoid valve 42 are electrically connected to and controlled by the brake controller 71. The third solenoid valve 43 is an emergency solenoid valve, is electrically connected to the emergency brake command line, and is controlled by the emergency brake command. The first electromagnetic valve 41 switches between supplying and stopping the compressed air supplied from the tank 6 by opening and closing the valve body. The second solenoid valve 42 adjusts the supply amount by discharging a portion of the compressed air supplied from the first solenoid valve 41 by changing the interval between opening and closing of the valve body. The third solenoid valve 43 is an emergency valve, and switches between supply of compressed air supplied from the variable load valve module 30 and discharge of compressed air supplied to the brake device 7 by switching the position of the valve body. . The third solenoid valve 43 discharges the compressed air supplied to the brake device 7 in an emergency. The input port 41A of the first electromagnetic valve 41 is connected to the second input flow path L2. The output port 41B of the first electromagnetic valve 41 is connected to the fourth signal flow path S4. The input port 42A of the second solenoid valve 42 is connected to the fourth signal flow path S4. The discharge port 42B of the second electromagnetic valve 42 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. The input port 43A of the third solenoid valve 43 is connected to the third signal flow path S3. The output port 43B of the third solenoid valve 43 is connected to the second signal flow path S2. A discharge port 43C of the third solenoid valve 43 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. The collection of the first solenoid valve 41, the second solenoid valve 42, and the third solenoid valve 43 corresponds to a first solenoid valve group.

The relay valve module 50 includes a relay valve 51. The relay valve 51 changes the flow rate of the compressed air supplied from the first solenoid valve 41 of the solenoid valve module 40 to the flow rate of the compressed air supplied from the variable load valve module 30 via the third solenoid valve 43 of the solenoid valve module 40. Compressed air for operating the brake device 7 is supplied by amplifying it according to the pressure. The first input port 51A of the relay valve 51 is connected to the second input flow path L2. The second input port 51B of the relay valve 51 is connected to the second signal flow path S2. The third input port 51C of the relay valve 51 is connected to the fourth signal flow path S4. The output port 51D of the relay valve 51 is connected to the fourth connection path 28. The fourth connection path 28 is connected to the connection pipe of the brake device 7 from the back surface of the back plate 20. The discharge port 51E of the relay valve 51 is connected to the fifth connection path 29. The fifth connection path 29 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. The relay valve module 50 includes a pressure sensor PS5 that detects the air pressure in the fourth signal flow path S4. Pressure sensor PS5 detects air pressure in fourth signal flow path S4. The relay valve module 50 also includes a pressure sensor PS6 that detects the air pressure in the fourth connection path 28. Pressure sensor PS6 detects the air pressure in the fourth connection path 28. The pressure sensors PS5 and PS6 are connected to the brake controller 71 and output the detected air pressure to the brake controller 71.

(Connection method)
The back plate 20 of the variable load valve module 30, the back plate 20 of the solenoid valve module 40, and the back plate 20 of the relay valve module 50 are connected to each other so that their air flow paths 23 communicate with each other (corresponding to a connecting step). ). At this time, the connection plate 60 is sandwiched between the back plates 20. Moreover, closing plates 80 are arranged at both ends of these back plates 20, and the air passages 23 on the side surfaces of the back plates 20 are closed. Subsequently, the connected back plate 20, connection plate 60, and closing plate 80 are fixed with bolts 13 and nuts 14 (corresponding to a fixing step).

Next, the effects of the first embodiment will be explained.
(1-1) The flow paths of each regulating valve 11 are connected by the back plate 20 having a common air flow path 23. Therefore, even if the combination of the regulating valves 11 is changed, the air flow path 23 can be connected by the back plate 20 provided in the regulating valve 11, and no new piping design is required. Therefore, design work is easy.

(1-2) By changing the connection plate 60 without changing the design of the back plate 20, the connection of the flow paths between the back plates 20 can be changed freely.
(1-3) By changing the combination of plate materials of the connection plate 60, the connection of the flow paths between the back plates 20 can be changed freely.

(1-4) In the back plate 20, according to the function of each regulating valve 11, a first connection path that connects the input port and the input flow path and the input flow path, and a first connection path that connects the output port and the signal flow path. 2 connection paths. Therefore, by providing the first connection path and the second connection path in addition to the common input flow path and signal flow path, the back plate 20 can be prepared in advance for each regulating valve 11, and a new piping design is possible. Not necessary.

(1-5) A solenoid valve group is provided for one railway vehicle. Therefore, compressed air can be supplied to the brake device 7 provided in one railway vehicle in the same way by one electromagnetic valve group.

(Second embodiment)
A second embodiment of the brake control device will be described below with reference to FIGS. 8 to 10. The brake control device of the second embodiment differs from the first embodiment in that it is provided for each bogie of a railway vehicle and controls all brake devices provided on the same bogie. Hereinafter, differences from the first embodiment will be mainly explained.

(Brake control device 1)
As shown in FIG. 8, the brake control device 1 includes an air section 2 and an electric section 3. The brake control device 1 includes a case 4 in the shape of a rectangular parallelepiped. The brake control device 1 controls brake devices provided on two bogies.

(Air part 2)
As shown in FIG. 9, the air section 2 includes a plurality of regulating valve modules 10 having different functions. The regulating valve module 10 is a module including a regulating valve 11 and a back plate 20. The back plate 20 has a plate shape and is provided with an air flow path 23. Each regulating valve 11 is fixed to the back plate 20 by fastening a plurality of screws 12 into mounting holes 21 provided in the back plate 20. The air section 2 includes, from the right in the figure, a variable load valve module 30, a solenoid valve module 140, and a relay valve module 150. A closing plate 80 that closes the air flow path 23 on the side surface of the back plate 20 is provided at the right end of these modules. A communication plate 90 is provided at the left end of these modules to block the air flow path 23 and communicate the first input flow path L1 and the second input flow path L2. These modules are fixed with bolts 13 and nuts 14. A bolt 13 is inserted into a fixing hole 22, which is a through hole provided in the back plate 20, and a nut 14 is fastened to the bolt 13. A connection plate 60 is sandwiched between the regulating valve modules 10. The connection plate 60 has a connection flow path that connects the air flow path 23 of one back plate 20 and the air flow path 23 of the other back plate 20 .

As shown in FIG. 10, the variable load valve module 30 has the same configuration as the first embodiment.
The solenoid valve module 140 includes a first solenoid valve group of a first solenoid valve 41, a second solenoid valve 42, and a third solenoid valve 43, as well as a fourth solenoid valve 44, a fifth solenoid valve 45, It is equipped with The first solenoid valve 41, the second solenoid valve 42, and the third solenoid valve 43 have the same configuration as in the first embodiment. The fourth solenoid valve 44 and the fifth solenoid valve 45 are electrically connected to and controlled by the brake controller 71. The fourth solenoid valve 44 switches between supplying and stopping the compressed air supplied from the tank 6 by opening and closing the valve body. The fifth solenoid valve 45 adjusts the supply amount by discharging a portion of the compressed air supplied from the fourth solenoid valve 44 by changing the interval between opening and closing of the valve body. The input port 44A of the fourth solenoid valve 44 is connected to the first input flow path L1. The output port 44B of the fourth electromagnetic valve 44 is connected to the first signal flow path S1. The input port 45A of the fifth solenoid valve 45 is connected to the first signal flow path S1. The discharge port 45B of the fifth electromagnetic valve 45 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. The collection of the fourth solenoid valve 44 and the fifth solenoid valve 45 corresponds to a second solenoid valve group. The first solenoid valve group and the second solenoid valve group are provided on one back plate 20, and the input port 41A of the first solenoid valve group and the input port 44A of the second solenoid valve group are formed on the back plate 20. They are respectively connected to a pair of first input flow paths L1 and second input flow paths L2.

The second signal flow path S2 of the solenoid valve module 140 is connected to the second signal flow path S2 and the third signal flow path S3 at the connection plate 60 between the solenoid valve module 140 and the relay valve module 150. Therefore, the compressed air in the second signal flow path S2 of the electromagnetic valve module 140 is supplied to the second signal flow path S2 and the third signal flow path S3 of the relay valve module 150.

The relay valve module 150 includes a relay valve 52 in addition to the relay valve 51. The relay valve 51 and the relay valve 52 supply compressed air to different brake devices 7. The relay valve 51 has the same configuration as the first embodiment. The relay valve 52 changes the flow rate of the compressed air supplied from the fourth solenoid valve 44 of the solenoid valve module 140 to the flow rate of the compressed air supplied from the variable load valve module 30 via the third solenoid valve 43 of the solenoid valve module 140. Compressed air for operating the brake device 7 is supplied by amplifying it according to the pressure. The first input port 52A of the relay valve 52 is connected to the first input flow path L1. The second input port 52B of the relay valve 52 is connected to the third signal flow path S3. The third input port 52C of the relay valve 52 is connected to the first signal flow path S1. An output port 52D of the relay valve 52 is connected to the fourth connection path 28. The fourth connection path 28 of the relay valve 52 is a flow path different from the fourth connection path 28 of the relay valve 51. The fourth connection path 28 is connected to the connection pipe of the brake device 7 from the back surface of the back plate 20. A discharge port 52E of the relay valve 52 is connected to the fifth connection path 29. The fifth connection path 29 is connected to the back surface of the back plate 20, and compressed air is discharged to the outside. The fifth connection path 29 of the relay valve 52 is a flow path different from the fifth connection path 29 of the relay valve 51. The relay valve module 150 includes a pressure sensor PS7 that detects the air pressure in the first signal flow path S1. Pressure sensor PS7 detects air pressure in first signal flow path S1. Further, the relay valve module 150 includes a pressure sensor PS8 that detects the air pressure in the fourth connection path 28 connected to the relay valve 52. Pressure sensor PS8 detects air pressure in fourth connection path 28 connected to relay valve 52. Pressure sensors PS7 and PS8 are connected to the brake controller 71 and output the detected air pressure to the brake controller 71.

(Connection method)
The back plate 20 of the variable load valve module 30, the back plate 20 of the solenoid valve module 140, and the back plate 20 of the relay valve module 150 are connected so that their air flow paths 23 communicate with each other (corresponding to a connecting step). ). At this time, the connection plate 60 is sandwiched between the back plates 20. Further, a closing plate 80 is arranged at the right end of these back plates 20, and the air flow path 23 on the side surface of the back plate 20 is closed. A communication plate 90 is arranged at the left end of these back plates 20, and the first input flow path L1 and the second input flow path L2 are communicated with each other, and the air flow path 23 on the side surface of the back plate 20 is closed. Subsequently, the connected back plate 20, connection plate 60, closing plate 80, and communication plate 90 are fixed with bolts 13 and nuts 14 (corresponding to a fixing step).

Next, the effects of the second embodiment will be explained. In addition to the effects (1-1) to (1-4) of the first embodiment, the following effects are achieved.
(2-1) In order to communicate the set of first input flow paths L1 and second input flow paths L2 of the back plate 20 located at the end portion with the communication plate 90, the set of first input flow paths L1 and Compressed air can flow from one input flow path to the other input flow path with the second input flow path L2.

(2-2) The first solenoid valve group and the second solenoid valve group are provided on one back plate 20, and a set of first input flow path L1 and second input flow path L2 formed on the back plate 20. are connected to each. Therefore, the first solenoid valve group and the second solenoid valve group can be easily provided on the back plate 20, compared to the case where the first solenoid valve group and the second solenoid valve group are provided on different back plates 20. Space can be saved.

(Other embodiments)
Each of the above embodiments can be modified and implemented as follows. The above embodiments and the following modified examples can be implemented in combination with each other within a technically consistent range.

- In each of the above embodiments, the bolts 13 are passed through the back plates 20, and the back plates 20 are fixed to each other with nuts 14. However, as long as the air flow paths 23 are connected, the back plates 20 may be fixed to each other by other methods.

- In each of the embodiments described above, the width of the back plate 20 (in the left and right direction when viewed from the front) can be arbitrarily changed.
- In each of the embodiments described above, if the connection plate 60 is unnecessary, the connection plate 60 may be omitted.

- In each of the above embodiments, the signal flow path connected to each regulating valve 11 can be arbitrarily selected from a plurality of signal flow paths. The connection path may be formed in accordance with the selected signal flow path.
- In each of the above embodiments, four signal channels connected to each regulating valve 11 are provided in the back plate 20. However, two, three, five or more signal flow paths connected to each regulating valve 11 may be provided in the back plate 20.

- In each of the above embodiments, the number of modules is three, but the combination of modules can be arbitrarily selected from two or more. For example, the variable load valve module 30 may be omitted. Further, the brake control device 1 may include a dual check valve module including a dual check valve and a back plate 20.

- In each of the above embodiments, the brake control device 1 may be provided with an air filter module 160, as shown in FIG. The air filter module 160 includes an air filter 161 and a back plate 20 in which an air flow path 23 is provided. Air filter 161 removes foreign matter from compressed air supplied from tank 6.

- In each of the above embodiments, the brake control device 1 may be provided with a pressure switch module 170, as shown in FIG. The pressure switch module 170 includes a pressure switch 171 and a back plate 20 in which an air flow path 23 is provided. The pressure switch 171 outputs a signal when the pressure in the input flow path or the pressure in the signal flow path is above a threshold value or below a threshold value.

- In each of the above embodiments, the brake control device 1 may be equipped with a pressure sensor module 180, as shown in FIG. The pressure sensor module 180 includes a pressure sensor 181 and a back plate 20 in which an air flow path 23 is provided. The pressure sensor 181 detects the pressure in the input channel and the pressure in the signal channel.

- In each of the above embodiments, the brake control device 1 may be provided with a pressure detection module 190, as shown in FIG. The pressure detection module 190 includes a pressure detection plug 191, a cock 192, and a back plate 20 in which an air flow path 23 is provided. The pressure detection plug 191 is a plug that can measure pressure by inserting a pressure sensor into the input channel or the signal channel. The cock 192 supplies or stops compressed air to the flow path where pressure is to be measured.

- In each of the above embodiments, an object made up of a plurality of objects may be integrated into one body, or conversely, an object made up of one object can be divided into a plurality of objects. Regardless of whether or not they are integrated, it is sufficient that the structure is such that the object of the invention can be achieved.

- In each of the above embodiments, where a plurality of functions are provided in a distributed manner, some or all of the plurality of functions may be provided in a concentrated manner, or conversely, a plurality of functions may be provided in a concentrated manner. It is possible to provide a system in which some or all of the plurality of functions are distributed. Regardless of whether the functions are centralized or distributed, it is sufficient that the configuration is such that the purpose of the invention can be achieved.

L1...First input channel L2...Second input channel S1...First signal channel S2...Second signal channel S3...Third signal channel S4...Fourth signal channel 1...Brake control device 2...Air Part 3...Electrical part 4...Case 5...Connection part 6...Tank 7...Brake device 10...Adjustment valve module 11...Adjustment valve 12...Screw 13...Bolt 14...Nut 20...Back plate 21...Mounting hole 22...Fixing hole 23 ... Air flow path 24... Supply path 25... First connection path 26... Second connection path 27... Third connection path 28... Fourth connection path 29... Fifth connection path 30... Variable load valve module 31... Variable load valve 31A …Input port 31B…Output port 31C…Discharge port 40…Solenoid valve module 41…First solenoid valve 41A…Input port 41B…Output port 42…Second solenoid valve 42A…Input port 42B…Discharge port 43…Third solenoid valve 43A...Input port 43B...Output port 43C...Discharge port 44...Fourth solenoid valve 44A...Input port 44B...Output port 45...Second solenoid valve 45A...Input port 45B...Discharge port 50...Relay valve module 51...Relay valve 51A ...First input port 51B...Second input port 51C...Third input port 51D...Output port 51E...Discharge port 52...Relay valve 52A...First input port 52B...Second input port 52C...Third input port 52D...Output Port 52E... Discharge port 60... Connection plate 61... First connection plate 62... Blazing seat 63... Second connection plate 64... Brazing seat 65... Third connection plate 66... Connection channel 71... Brake controller 80... Closing plate 90... Communication plate 140... Solenoid valve module 150... Relay valve module 160... Air filter module 161... Air filter 170... Pressure switch module 171... Pressure switch 180... Pressure sensor module 181... Pressure sensor 190... Pressure detection module 191... Pressure detection plug 192 …cock

Claims (8)

A plurality of regulating valves including an input port into which fluid supplied from a fluid source is input, and an output port which adjusts the flow rate or pressure of the input fluid and outputs fluid for operating the brake device. Prepare,
Each of the regulating valves has an air flow path formed therein, including an input channel connected to the input port, and a signal channel connected to the output port through which the fluid output from the regulating valve flows. each with a plate,
The back plates are connected to each other so that the air flow paths communicate with each other. Brake control device. The connecting plate according to claim 1, further comprising a connecting plate provided between the back plates and having a connecting passage that connects the air passage of one of the back plates to the air passage of the other back plate. Brake control device. The brake control device according to claim 2, wherein the connection plate is a plate in which plate materials in which different flow paths are formed are laminated. A set of the input channels is formed in the back plate,
A communication plate is provided that communicates the pair of input channels of the back plates located at the ends of the connected back plates and covers the air flow channels of the back plates located at the ends. The brake control device according to claim 1. Each of the regulating valves includes the input flow path and the signal flow path common to the back plate,
The back plate has a first connection path that connects the input port and the input flow path, and a second connection path that connects the output port and the signal flow path, depending on the function of each adjustment valve. The brake control device according to any one of claims 1 to 4, comprising: . The brake device is provided for each wheel of the railway vehicle and is controlled for each bogie,
One of the regulating valves includes a first electromagnetic valve group that is a group of electromagnetic valves that actuate the first brake device, and a second electromagnetic valve group that is a group of electromagnetic valves that actuate the second brake device. ,
The first electromagnetic valve group and the second electromagnetic valve group are provided on one of the back plates,
The brake according to claim 5, wherein the input port of the first electromagnetic valve group and the input port of the second electromagnetic valve group are connected to each of the set of input channels formed in the back plate. Control device. The brake device is provided for each wheel of a railway vehicle and is controlled for each vehicle,
One of the regulating valves includes a solenoid valve group that is a collection of solenoid valves that operate all of the brake devices provided in one of the railway vehicles,
The brake control device according to claim 5, wherein an input port of the electromagnetic valve group is connected to the input flow path. A plurality of regulating valves including an input port into which fluid supplied from a fluid source is input, and an output port which adjusts the flow rate or pressure of the input fluid and outputs fluid for operating the brake device. Prepare,
Each of the regulating valves has an air flow path formed therein, including an input channel connected to the input port, and a signal channel connected to the output port through which the fluid output from the regulating valve flows. A method for connecting brake control devices each comprising a plate, the method comprising:
a connecting step of connecting the back plates so that the air flow paths communicate with each other;
A method for connecting a brake control device, comprising: a fixing step for fixing the connected back plate.

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