CN211308533U - Motor train unit loopback rescue brake instruction control system - Google Patents
Motor train unit loopback rescue brake instruction control system Download PDFInfo
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- CN211308533U CN211308533U CN201922126720.3U CN201922126720U CN211308533U CN 211308533 U CN211308533 U CN 211308533U CN 201922126720 U CN201922126720 U CN 201922126720U CN 211308533 U CN211308533 U CN 211308533U
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Abstract
A motor train unit back rescue brake instruction control system relates to a motor train unit back rescue brake instruction control system, and solves the problems that in the motor train unit of the brake system with the existing single tube design, a complete back rescue brake instruction control circuit is lacked, and only the motor train unit can be rescued, but other motor train units can not be rescued under the conditions of not limiting speed and not cutting off the brake of the rescued motor train unit; the motor train unit rescue control circuit comprises a return rescue power supply control circuit, a rescued working condition brake instruction output circuit and a rescue finger working condition brake instruction input circuit, wherein the return rescue power supply control circuit is connected with the rescue finger working condition brake instruction input circuit; the brake command control system is a brake electric command control system capable of covering rescue working conditions and rescued working conditions, so that the brake control of vehicles under the rescue working conditions and the rescued working conditions is safer and more reliable.
Description
Technical Field
The utility model relates to a EMUs loopback rescue braking instruction control system.
Background
The existing motor train units in China are various due to different manufacturers and design platforms, the motor train units of various types have various mutual rescue modes, and the problems of complex rescue operation, limited rescue speed, insufficient rescue safety and reliability and the like exist.
At present, the motor train unit with a single-tube designed brake system and the motor train unit with a double-tube designed brake system of the existing motor train units in China are mainly used.
Under the condition that a car coupler and a train pipe can be connected, the motor train unit of the brake system with a double-pipe design can rescue the motor train unit of the brake system with a single-pipe design through the train pipe, in the rescue mode, a brake instruction triggered by a front car can be transmitted to a rear car through the train pipe, and a rear car rescue loopback device identifies a pneumatic brake instruction transmitted by the train pipe of the front car and then converts the pneumatic brake instruction into a brake instruction line of the rear car for outputting an electric brake instruction; the control scheme of the braking command is shown in figure 1.
Under the condition that the car couplers can be connected, the motor train unit of the braking system designed by a single tube only can rescue the braking system with double tube design with the braking function at a speed limit, in the rescue mode, a front car (single tube rescue car) cannot transmit a braking instruction to a rear car (double tubes are rescued), and in order to ensure safety, the rear car needs to cut off all braking capability and is rescued at a lower speed.
In conclusion, in the motor train unit with the single-tube-designed brake system, a complete rescue feedback brake instruction control circuit is lacked, and the motor train unit can only be rescued but cannot rescue other motor train units under the conditions of not limiting speed and not cutting off the brake of the rescued motor train unit; the capability of mutual rescue among motor train units is limited, and the requirement of future standardized design of the motor train units cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the EMUs of the braking system of current single tube design, lack the complete control circuit of the braking instruction of returning rescue, only can be rescued and can't rescue other EMUs under the condition of not limiting the speed, not excising the braking of rescued EMUs; the motor train unit rescue braking command control system limits the mutual rescue capacity among the motor train units, further cannot meet the requirements of future standardized design of the motor train unit and the like, and is provided.
A motor train unit feedback rescue brake instruction control system comprises a feedback rescue power supply control circuit, a rescued working condition brake instruction output circuit and a rescue finger working condition brake instruction input circuit;
the loopback rescue control circuit comprises an independent power supply and a rescue/rescued mode selection switch; the independent power supply supplies power to the rescue/rescued mode selection switch;
the rescued working condition braking instruction output circuit comprises a braking instruction relay, a driver controller handle braking instruction control circuit and two groups of one-way diodes; one end of the first group of unidirectional diodes is connected with the rescue loopback device, and the other end of the first group of unidirectional diodes is connected with the brake command relay through a brake command coding line and a brake command state line; one end of the second group of one-way diodes is connected with a brake command control circuit of a handle of the driver controller, and the other end of the second group of one-way diodes is connected with a brake command relay through a brake command coding line and a brake command state line;
the rescue working condition brake instruction input circuit is formed by building a group of passive contacts of a brake instruction relay, and the passive contacts are connected between the rescue/rescued mode selection switch and the rescue returning device.
The utility model has the advantages that: braking command control system for can cover the rescue operating mode and by the braking electric command control system of rescue operating mode, make the rescue, by the braking control of vehicle safe and reliable more under the rescue operating mode.
Control system loopback device to china's rescue, when realizing that the locomotive rescue loopbacks and is rescued by existing motor train, still need satisfy the function of the existing EMUs of rescue, consequently, need be for the brake system's of single tube design the compound prosperous EMUs develop the braking electric command control system under the new rescue operating mode, and require this system interface clear, moreover, the steam generator is simple in structure, universal suitability, according to this design demand, design out a EMUs loopbacks rescue braking command control system through the concept of integrating, realize that the locomotive rescue loopbacks, the transmission and the control of the braking command when EMUs rescue each other.
The utility model discloses a loopback rescue braking instruction control system uses on the multiple numbers EMUs of china design. The actual use effect is good, and the design effect is realized.
Drawings
FIG. 1 is a control schematic diagram of a rescue brake command of a conventional motor car;
fig. 2 is a schematic structural diagram of a motor train unit loopback rescue brake command control system according to the present invention;
fig. 3 is an electrical schematic diagram of a motor train unit loopback rescue brake command control system according to the present invention;
fig. 4 is a schematic diagram of a loopback rescue control circuit in the motor train unit loopback rescue brake command control system according to the present invention;
fig. 5 is a schematic diagram of a rescue condition brake instruction output circuit in a motor train unit loopback rescue brake instruction control system according to the present invention;
fig. 6 is a schematic diagram of a rescue operating mode brake instruction input circuit in motor train unit loopback rescue brake instruction control system.
Detailed Description
In the first embodiment, the first embodiment is described with reference to fig. 2 to 6, and the first embodiment designs a braking electrical command control system capable of covering a rescue working condition and a rescued working condition, so that braking control of a vehicle under the rescue and rescued working conditions is safer and more reliable.
Aiming at the motorcycle type in China, the functions of rescuing the existing motor train unit are required to be met while the locomotive rescue is returned and the existing motor train unit is rescued, so that a new brake electrical instruction control system under the rescue working condition is required to be developed for the renaturation motor train unit of the brake system designed by a single tube, the interface is required to be clear, the structure is simple, and the universal practicability is realized. The concrete composition is as follows: the rescue control circuit comprises a return rescue control circuit 1, a rescued working condition braking instruction output circuit 2 and a rescue working condition braking instruction input circuit 3.
Referring to fig. 4, the loopback rescue control circuit 1 is composed of an independent power supply 1-1 and a rescue/rescued mode selection switch 1-2. The independent power supply 1-1 is a special power supply for rescue/rescued working conditions, the power supply directly supplies power to the storage battery, and the power supply still outputs DC110V under the condition that a storage battery switch is closed.
In the embodiment, the rescue/rescued mode selection switch 1-2 is a manual selection switch, and three-gear selection is provided in total, namely a rescue position, a 0 position and a rescued position; the rescue/rescued mode selection switch has three control functions:
1) the switch can control the power supply of the independent power supply 1-1 to the rescue loopback device through the on-off control of the switch contact, and the rescue loopback device can be powered only when the switch is at a rescue/rescued position, so that the waste of the electric quantity of the storage battery and the generation of error instructions to a vehicle by the rescue loopback device are avoided;
2) the switch signals of the two gears of the rescue position and the rescued position of the switch are also output to the rescue returning device and are used for respectively activating the rescue and rescued functions of the rescue returning device.
3) When the switch is positioned at the rescue/rescued position, the switch means the activation of the rescue returning device, at the moment, the vehicle brake controller at the hitching end fails, and the rescue returning device replaces the function of the brake controller to generate a brake control command for the vehicle.
The embodiment is described with reference to fig. 5, and the rescued working condition braking instruction output circuit 2 is composed of 1 group (4) of one-way diodes 2-1, a braking instruction relay 2-2, 1 group (4) of one-way diodes 2-3 and a driver handle braking instruction control circuit 2-4. The unidirectional diode 2-1 has the function of ensuring the unidirectionality of the output signal of the rescue loopback device and avoiding the influence of the brake instruction control circuit 2-4 of the handle of the driver controller on the rescue loopback device. A one-way diode 2-3 is also arranged in the vehicle circuit, so that the influence of the rescue loopback circuit on the conventional circuit of the vehicle is avoided. The brake command relay 2-2 receives the brake command of the vehicle brake controller under the non-rescue working condition and transmits the brake command to each brake control device through a train line penetrating through the whole train; under the rescue working condition, the vehicle brake controller fails, and the brake command relay 2-2 receives the brake command of the rescue returning device and transmits the brake command to each brake control device through a train line penetrating through the whole train. The B1/B2/B3 line is a brake command coding line, and the Braking line is a brake state command line.
Referring to fig. 6, the rescue finger operating condition brake command input circuit 3 is composed of a passive normally open contact 3-1 of a brake command train line relay arranged in each compartment of the whole train and a part of electric wires. The set of passive contacts is connected between the rescue/rescued mode selection switch and the rescue loopback device, and is capable of encoding braking commands of 0-7 levels and braking state commands and transmitting the commands to the rescue loopback device. When the vehicle is in the rescue working condition, the circuit can transmit the brake command sent by the brake controller to the rescue returning device, and the rescue returning device activates the rescue working condition and transmits the brake command to the rescued motor train unit at the other end of the train pipe in the form of compressed air through the train pipe.
In the control system of the embodiment, the brake controller and the brake control device are both in the prior art, are produced by multiple suppliers in China, and are widely applied to the renaming motor train unit in China. Typical brake controllers such as S359 series brake controllers manufactured by the west sha er bao electric limited company, and typical brake control devices such as TKD604 series brake control devices manufactured by the beijing crossbar electromechanical technology limited company are all suitable for the motor train unit back rescue brake command control system described herein.
Claims (4)
1. A motor train unit back rescue brake instruction control system comprises a back rescue control circuit (1), a rescued working condition brake instruction output circuit (2) and a rescue working condition brake instruction input circuit (3); the method is characterized in that:
the loopback rescue control circuit (1) comprises an independent power supply (1-1) and a rescue/rescued mode selection switch (1-2); the independent power supply (1-1) supplies power to the rescue/rescued mode selection switch (1-2);
the rescued working condition braking instruction output circuit (2) comprises a braking instruction relay (2-2), a driver controller handle braking instruction control circuit (2-4) and two groups of one-way diodes; one end of the first group of unidirectional diodes (2-1) is connected with the rescue loopback device, and the other end of the first group of unidirectional diodes is connected with the brake command relay (2-2) through a brake command coding line and a brake command state line; one end of the second group of one-way diodes (2-3) is connected with the brake command control circuit (2-4) of the handle of the driver controller, and the other end is connected with the brake command relay (2-2) through a brake command coding line and a brake command state line;
the rescue working condition brake instruction input circuit (3) is formed by building a group of brake instruction relay passive contacts (3-1), and the passive contacts (3-1) are connected between a rescue/rescued mode selection switch (1-2) and a rescue returning device.
2. The motor train unit rescue brake command sending-back control system as claimed in claim 1, wherein: the independent power supply (1-1) adopts a storage battery to directly supply power, and outputs DC110V to supply power when a storage battery switch is closed.
3. The motor train unit rescue brake command sending-back control system as claimed in claim 1, wherein: the rescue/rescued mode selection switch (1-2) is a manual selection switch, three-gear selection is performed, and the three-gear selection is respectively a rescue position, a 0 position and a rescued position.
4. The motor train unit rescue brake command sending-back control system as claimed in claim 1, wherein: the rescue/rescued mode selection switch (1-2) has three control functions:
the power supply of an independent power supply (1-1) to a rescue loopback device is controlled by switching on and off of a switch contact, and the rescue loopback device is powered only when the switch is at a rescue/rescued position;
second, switch signals of two gears of the rescue position and the rescued position of the switch are output to the rescue returning device and are used for respectively activating the rescue and rescued functions of the rescue returning device;
and thirdly, when the switch is positioned at the rescue/rescued position, the rescue returning device is activated, the vehicle brake controller at the coupling end fails, and the rescue returning device generates a brake control command for the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126720.3U CN211308533U (en) | 2019-12-02 | 2019-12-02 | Motor train unit loopback rescue brake instruction control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922126720.3U CN211308533U (en) | 2019-12-02 | 2019-12-02 | Motor train unit loopback rescue brake instruction control system |
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| CN211308533U true CN211308533U (en) | 2020-08-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246945A (en) * | 2021-06-01 | 2021-08-13 | 成都大学 | Rail vehicle rescue returning device and rescue method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246945A (en) * | 2021-06-01 | 2021-08-13 | 成都大学 | Rail vehicle rescue returning device and rescue method thereof |
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