CN110853444A

CN110853444A - Intelligent debugging and training system and method for high-voltage power supply control of urban railway passenger car

Info

Publication number: CN110853444A
Application number: CN201911086614.5A
Authority: CN
Inventors: 罗昭强; 孔羽姝; 艾子洋
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-02-28
Anticipated expiration: 2039-11-08
Also published as: CN110853444B

Abstract

An intelligent debugging and training system for high-voltage power supply control of an urban railway passenger car comprises two main control cabinets and an execution cabinet, wherein each main control cabinet comprises a high-speed circuit breaker control circuit, a pantograph control circuit, an auxiliary inverter and a power supply grounding circuit; the executive cabinet comprises three distribution boards, the distribution board 1 and the distribution board 2 respectively comprise a pantograph structure, an IES unit, a high-speed circuit breaker unit, a traction inverter unit, a pantograph executive circuit, an emergency pantograph lifting pump and control circuit and a power supply grounding circuit, and the distribution board 3 comprises a pantograph structure, an IES unit, a high-speed circuit breaker unit, a traction inverter unit, a pantograph executive circuit and a power supply grounding circuit.

Description

Intelligent debugging and training system and method for high-voltage power supply control of urban railway passenger car

Technical Field

The invention belongs to the technical field of urban rail transit vehicle debugging and maintenance operation skill training, and particularly relates to an urban rail transit vehicle high-voltage power supply control intelligent debugging and training system and a method for performing skill training on debugging staff by using the system.

Background

With the rapid development of urban rail transit in China, the equipment level and the technical content of subways and light rail vehicles reach the world leading level. In the production and manufacturing links of the subway and light rail vehicles, vehicle debugging is one of the key links, and the key links relate to whether various functions of the subway and light rail vehicles can be normally realized and the safe and reliable operation of the subway and light rail vehicles. Therefore, the requirement on the skill level of staff in the debugging posts of subway and light rail vehicles is high.

The training work is always puzzled by the skill training of staff at the debugging posts of the subway and light rail vehicles. Generally, the traditional training for the post is only limited to the training of the drawing principle, and the training is not implemented basically. Because the cost of a single group of subway and light rail vehicles is about 500 plus 3000 ten thousand yuan, the training of the original vehicles has large risk, high cost, unallowable production period and a plurality of uncontrollable factors, and the control principle of the subway and light rail vehicles can not be further understood due to the limitation of a quality management process system. The situation seriously restricts the improvement of the operating skill level of debugging personnel, and the debugging personnel becomes a restriction factor of the production of subway and light rail vehicles.

Disclosure of Invention

The invention aims to provide an intelligent debugging and training system for high-voltage power supply control, which has the advantages of high simulation degree, low requirements on fields and environments, less consumption of required energy and materials, and convenience for debugging staff to train the debugging skill of a vehicle high-voltage power supply control system under the condition of departing from the existing urban railway vehicle.

In order to achieve the purpose, the invention provides an intelligent debugging and training system for high-voltage power supply control of an urban railway passenger car, which is characterized in that: the high-speed circuit breaker control circuit comprises two main control cabinets and an execution cabinet, wherein each main control cabinet comprises a high-speed circuit breaker control circuit, a pantograph control circuit, an auxiliary inverter and a power supply grounding circuit; the execution cabinet includes three distribution board, and distribution board 1 is the same with distribution board 2, all includes pantograph structure, IES unit, high-speed circuit breaker unit, draws the inverter unit, the pantograph executive circuit, emergency rising bow pump and control circuit, power supply earthing circuit, and distribution board 3 includes pantograph structure, IES unit, high-speed circuit breaker unit, draws the inverter unit, the pantograph executive circuit, power supply earthing circuit, wherein, the relation of connection between each part is as follows:

the high-speed circuit breaker control circuits of the two main control cabinets are connected with the high-speed circuit breaker units of the three distribution boards of the execution cabinet, and the high-speed circuit breaker control instructions are transmitted to the three high-speed circuit breaker units; one output end of each of the two pantograph control circuits is connected with the three pantograph execution circuits, and the pantograph control instructions are transmitted to the three pantograph execution circuits; the other output ends of the two pantograph control circuits are connected with emergency pantograph-raising pumps and control circuits of the switchboard 1 and the switchboard 2, and emergency pantograph-raising pump control instructions are transmitted to the emergency pantograph-raising pumps and control circuits of the switchboard 1 and the switchboard 2; an auxiliary inverter in the main control cabinet is connected with a power supply grounding circuit to close a negative line loop; the high-speed circuit breaker unit of the distribution board 1 is connected with the auxiliary inverter of the main control cabinet 1, and the high-speed circuit breaker unit of the distribution board 2 is connected with the auxiliary inverter of the main control cabinet 2 and provides high-voltage positive electric signals for the auxiliary inverter; the power supply grounding circuits of the two main control cabinets are respectively connected with the power supply grounding circuits of the adjacent switchboard, and the power supply grounding circuits of 3 switchboards are sequentially connected;

distribution board 1 and distribution board 2: the pantograph mechanism is connected with the IES unit and transmits the high-voltage effective signal to the IES unit; the IES unit is connected with the high-speed circuit breaker unit and transmits the IES state signal to the high-speed circuit breaker unit; the high-speed circuit breaker unit is connected with the traction inverter unit and transmits the high-voltage effective signal to the traction inverter unit; the traction inverter unit is connected with the power supply grounding circuit, and a negative line of the traction inverter unit is connected with the power supply grounding circuit to close a negative line loop; the emergency pantograph lifting pump and the control circuit are connected with the pantograph execution circuit, and compressed air and state instructions of the emergency pantograph lifting pump are transmitted to the pantograph execution circuit; the pantograph execution circuit is connected with the pantograph mechanism, controls the pantograph to rise and fall, and transmits the state of the pantograph to the pantograph execution circuit;

the switchboard 3 is provided with: the pantograph mechanism is connected with the IES unit and transmits the high-voltage effective signal to the IES unit; the IES unit is connected with the high-speed circuit breaker unit and transmits the IES state signal to the high-speed circuit breaker unit; the high-speed circuit breaker unit is connected with the traction inverter unit and transmits the high-voltage effective signal to the traction inverter unit; the traction inverter unit is connected with the power supply grounding circuit, and a negative line of the traction inverter unit is connected with the power supply grounding circuit to close a negative line loop; the pantograph execution circuit is connected with the pantograph mechanism, controls the pantograph to rise and fall, and transmits the state of the pantograph to the pantograph execution circuit;

the IES unit of the distribution board 1 is connected with the IES unit of the distribution board 3 to transmit the IES state and the high-voltage effective signal; the IES unit of the distribution board 3 is connected with the IES unit of the distribution board 2 to perform mutual transmission of the IES state and the high-voltage effective signal; the power supply ground circuits of the distribution board 1, the distribution board 3, and the distribution board 2 are connected in sequence, and power supply ground signals are transmitted to each other.

The IES unit is internally provided with: the workshop power supply potential switching device comprises a 3-bit mode change-over switch, a workshop power supply potential contactor, a grounding potential contactor, a contact network potential relay and an isolation diode, wherein the 3-bit mode change-over switch is connected with the workshop power supply potential contactor, and when the 3-bit mode change-over switch rotates to the workshop power supply potential, the workshop power supply potential contactor is controlled; the 3-bit mode change-over switch is connected with the grounding potential contactor, and when the 3-bit mode change-over switch rotates to a grounding position, the grounding potential contactor is controlled; the 3-bit mode change-over switch is connected with the contact network potential relay, and when the 3-bit mode change-over switch rotates to the contact network potential, the contact network potential relay is controlled; the contact network position relay is connected with a normally closed contact of the grounding position contactor, the normally closed contact of the grounding position contactor is connected with the normally closed contact of the workshop power position contactor, the normally closed contact of the workshop power position contactor is connected with the normally open contact of the contact network position contactor, and the three contactor contacts control the contact network position relay to be electrified; the main contacts of the workshop power supply potential contactor, the grounding potential contactor and the contact network potential contactor are respectively connected with an external interface and an external main circuit.

The high-speed circuit breaker unit includes: the system comprises a closed high-break signal input relay, a KIC high-voltage signal input relay, a closed permission signal input relay, a hold signal input relay, a high-break closed contactor, a high-break closed enabling relay, a protection delay relay and an external interface, wherein the closed high-break signal input relay is connected with the external interface and is responsible for receiving a closed high-break signal; the KIC high-voltage signal input relay is connected with an external interface and is responsible for receiving a KIC high-voltage effective signal; the closing permission signal input relay is connected with an external interface and is responsible for receiving a high-break closing permission signal; the holding signal input relay is connected with an external interface and is responsible for receiving a high-break holding signal; the high-break closed enabling relay is connected with a normally open contact of the closed allowing signal input relay, the normally open contact of the closed allowing signal input relay is connected with the normally open contact of the closed high-break signal input relay, and the two contacts are connected in series to control the high-break closed enabling relay; the protection delay relay is connected with a normally closed contact of a KIC high-voltage signal input relay, the normally closed contact of the KIC high-voltage signal input relay is connected with a normally open contact of a high-break closed contactor, and the two contacts are connected in series to control the protection delay relay; the high-break closed contactor is connected with a normally closed contact of a protection delay relay, the normally closed contact of the protection delay relay is connected with a normally open contact of a closure permission signal input relay, the normally open contact of the signal input relay is kept in parallel with the normally open contact of the high-break closure enabling relay and is connected with the normally open contact of the closure permission signal input relay, and the four groups of contacts are connected in series and in parallel to control the high-break closed contactor.

The high-voltage power supply main circuit is responsible for high-voltage electric signal transmission, controls the working power supply input of the traction inverter unit and the auxiliary inverter through a high-voltage electric effective signal, and simulates the working mode of the traction inverter unit and the auxiliary inverter after the high-voltage electric connection.

An intelligent debugging and training method for high-voltage power supply of an urban railway passenger car is characterized by comprising the following steps: the method comprises IES unit debugging and pantograph system debugging, and comprises the following specific steps:

the IES unit debugging method comprises the following steps:

(1) the external power supply air switch of the system is disconnected, a positive line bus and a negative line bus of a high-voltage power supply main circuit of the system are measured, and the positive line bus and the negative line bus are confirmed to be not conducted;

(2) operating an IES unit power supply selection switch of any one switchboard to a grounding position, activating a cab by a main control cabinet, operating a pantograph lifting button at the activated cab end, and confirming that a pantograph cannot be lifted;

(3) operating an IES unit power supply selection switch of any one switchboard to a workshop power supply position, activating a cab by a main control cabinet, operating a pantograph lifting button at the activated cab end, and confirming that a pantograph cannot be lifted;

(4) operating IES unit power supply selection switches of all distribution boards to contact a network position, activating a cab by a main control cabinet, operating a pantograph lifting button at an activated cab end, and confirming that a pantograph can be lifted;

(5) the main control cabinet activates a cab, a pantograph lifting button is operated at the activated cab end to confirm that the pantograph is lifted, an IES unit power supply selection switch of any switchboard is operated to a non-contact network position, all the pantographs are confirmed to be lowered, the pantograph lifting button is pressed again, and each pantograph is confirmed to be incapable of being lifted;

the debugging method of the pantograph system comprises the following steps:

(1) the storage battery is electrified, and any cab is activated;

(2) measuring the upper port voltage of a pantograph control system power supply air switch and an emergency pantograph lifting control air switch of the main control cabinet to be DC110V, and the lower port is not conducted to the ground;

(3) the voltages of the upper ports of the pantograph control openings of the cabinet distribution board 1, the distribution board 3 and the distribution board 2 are DC110V, and the lower ports are not conducted to the ground;

(4) the voltage of an upper opening of an emergency pump of the cabinet distribution board 1 and the cabinet distribution board 2 is measured to be DC110V, and a lower opening is not conducted to the ground;

(5) the pantograph control system of the closed master control cabinet supplies power and rises the pantograph to control and open openly suddenly, close and carry out the pantograph control of cabinet switchboard 1, switchboard 3, switchboard 2 and open openly, close and carry out the cabinet switchboard 1 and emergency pump of switchboard 2 and open openly;

(6) a cut-off cock of an external air compressor of the system is driven to a cut-off position;

(7) at the activation end of the cab, a pantograph lifting selection switch is turned to a full pantograph lifting position, a pantograph lifting pump input button is pressed to confirm that a pantograph lifting pump is started in case of emergency, and a pantograph lifting button is pressed to confirm that pantograph lifting mechanisms of a cabinet distribution board 1 and a distribution board 2 start to lift pantograph when the pantograph lifting pump stops in case of emergency;

(8) pressing down a pantograph-lowering button to confirm that pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 are lowered;

(9) the method comprises the steps of (1) striking an intercepting cock of an external air compressor of the system to a conducting position, and confirming that the output air pressure of the external air compressor is greater than 4.0 bar;

(10) at the activation end of the cab, pressing a pantograph lifting pump input button to confirm that the pantograph lifting pump is not started in emergency, pressing a pantograph lifting button to confirm that pantograph mechanisms of a cabinet switchboard 1 and a switchboard 2 start to lift the pantograph;

(11) pressing down a pantograph-lowering button to confirm that pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 are lowered;

(12) activating any one cab, selecting pantograph lifting at the activating end of the cab, operating a pantograph lifting selection switch to select 1-pantograph lifting, 2-pantograph lifting, 3-pantograph lifting and full-pantograph lifting, pressing a pantograph lifting button to confirm: the 1-bow is lifted for the pantograph closest to the activated cab; the 2-bow is lifted away from the pantograph of the activated cab; the 3-bow lifting is to lift the pantograph of the cabinet distribution board 3; lifting the whole pantograph to perform the lifting of all the pantographs of the cabinet;

(13) pressing down a pantograph descending button to confirm that the raised pantograph descends;

(14) and lifting all the pantographs, pressing an emergency brake button and confirming that the pantographs are quickly lowered.

Through the logical connection of the hardware and the arrangement of the three units, the layout mode arrangement of the master control vehicle and the executive vehicle of the urban railway vehicle is met, the arrangement of the three high-voltage power supply system components of the executive cabinet embodies the mode of uniform control and distributed power supply of the high-voltage power supply system of the urban railway vehicle, namely, the master control vehicle uniformly controls the lifting of the pantograph, each pantograph only supplies power for the unit in a traction manner, the two master control cabinets assist the power supply mode which can be supplied by all the pantographs, the protection interlocking function of the high-voltage power supply system of the urban railway vehicle is embodied, the pantograph can be lifted when all the pantographs are allowed to be lifted, and when any unit does not allow the pantograph to be lifted, all the pantographs can not be lifted, so that the special characteristic of debugging skill of the urban railway vehicle is embodied. The simulation degree is high, interfaces and wiring logics of all components are arranged according to the prototype of the urban railway vehicle, and a trainer can compile a debugging method of the practical training device according to debugging contents of the urban railway vehicle, so that trainees can carry out standardized operation according to the debugging method; the three small and compact units are used for simulating and simulating the function of the high-voltage power supply system of the train of urban railway vehicles, the real vehicles are used for training, the parts are concentrated, the walking range is small, the walking time of personnel is saved, the influence of the training on the function and the performance of the real vehicles can be reduced, the quality problem of accidents of the vehicles is avoided, and the loss is reduced.

Drawings

FIG. 1 is a block diagram of a high voltage power supply control system layout;

FIG. 2 is a high voltage power supply main circuit of the high voltage power supply control system;

fig. 3 is an IES unit interlock circuit of the high voltage power supply control system;

FIG. 4a shows the IES cell internal circuitry and interface circuitry of power distribution board 1;

FIG. 4b shows the IES cell internal circuitry and interface circuitry of the power distribution board 3;

FIG. 4c illustrates the IES cell internal circuitry and interface circuitry of power plane 2;

fig. 5a high speed circuit breaker control circuit;

fig. 5b a high speed circuit breaker interface circuit;

FIG. 6a is a pantograph system control command circuit;

FIG. 6b is a pantograph system control logic execution circuit;

fig. 6c pantograph system emergency pantograph pump control circuit.

Detailed Description

Fig. 1 is a practical training system for intelligent debugging high-voltage power supply control of an urban railway passenger car, which is distributed in three cabinets and comprises two main control cabinets and an execution cabinet, wherein each main control cabinet comprises a high-speed circuit breaker control circuit, a pantograph control circuit, an auxiliary inverter and a power supply grounding circuit; the executive cabinet comprises a pantograph structure, an ISE unit, a high-speed circuit breaker unit, a traction inverter unit, a pantograph control circuit, an emergency pantograph lifting pump and control circuit and a power supply grounding circuit of the distribution board 1, a pantograph structure, an ISE unit, a high-speed circuit breaker unit, a traction inverter unit, a pantograph control circuit and a power supply grounding circuit of the distribution board 3, a pantograph structure, an ISE unit, a high-speed circuit breaker unit, a traction inverter unit, a pantograph control circuit, an emergency pantograph lifting pump and control circuit and a power supply grounding circuit of the distribution board 2.

The high-speed circuit breaker control circuits of the two main control cabinets are connected with the high-speed circuit breaker units of the three distribution boards of the execution cabinet, and the high-speed circuit breaker control instructions are transmitted to the three high-speed circuit breaker units; the two pantograph control circuits are connected with the three pantograph execution circuits and transmit pantograph control instructions to the three pantograph execution circuits; the two pantograph control circuits are connected with emergency pantograph-ascending pumps and control circuits of the switchboard 1 and the switchboard 2, and transmit emergency pantograph-ascending pump control instructions to the emergency pantograph-ascending pumps and control circuits of the switchboard 1 and the switchboard 2; an auxiliary inverter of the main control cabinet is connected with the power supply grounding circuit, and a negative line of the auxiliary inverter is connected with the power supply grounding circuit to close a negative line loop; a distribution board 1 high-speed circuit breaker unit of the execution cabinet is connected with an auxiliary inverter of the main control cabinet 1, and the high-speed circuit breaker unit provides a high-voltage positive electric signal for the auxiliary inverter; a distribution board 2 high-speed circuit breaker unit of the execution cabinet is connected with an auxiliary inverter of the main control cabinet 2, and the high-speed circuit breaker unit provides a high-voltage positive electric signal for the auxiliary inverter; the power supply grounding circuit of the main control cabinet is connected with the power supply grounding circuit of the switchboard 1 to carry out intercommunication connection of the grounding circuits.

Wherein, in the switchboard 1 of the executive cabinet: the pantograph mechanism is connected with the IES unit and transmits the high-voltage effective signal to the IES unit; the IES unit is connected with the high-speed circuit breaker unit and transmits the IES state signal to the high-speed circuit breaker unit; the high-speed circuit breaker unit is connected with the traction inverter unit and transmits the high-voltage effective signal to the traction inverter unit; the traction inverter unit is connected with the power supply grounding circuit, the negative line of the traction inverter is connected with the power supply grounding circuit, and the negative line loop is closed; the emergency pantograph lifting pump and the control circuit are connected with the pantograph execution circuit, and compressed air and state instructions of the emergency pantograph lifting pump are transmitted to the pantograph execution circuit; the pantograph actuating circuit is connected with the pantograph mechanism, controls the pantograph to rise and fall, and transmits the state of the pantograph to the pantograph actuating circuit by the pantograph mechanism.

The switchboard 3 is provided with: the pantograph mechanism is connected with the IES unit and transmits the high-voltage effective signal to the IES unit; the IES unit is connected with the high-speed circuit breaker unit and transmits the IES state signal to the high-speed circuit breaker unit; the high-speed circuit breaker unit is connected with the traction inverter unit and transmits the high-voltage effective signal to the traction inverter unit; the traction inverter unit is connected with the power supply grounding circuit, the negative line of the traction inverter is connected with the power supply grounding circuit, and the negative line loop is closed; the pantograph actuating circuit is connected with the pantograph mechanism, controls the pantograph to rise and fall, and transmits the state of the pantograph to the pantograph actuating circuit by the pantograph mechanism.

The switchboard 2 is provided with: the pantograph mechanism is connected with the IES unit and transmits the high-voltage effective signal to the IES unit; the IES unit is connected with the high-speed circuit breaker unit and transmits the IES state signal to the high-speed circuit breaker unit; the high-speed circuit breaker unit is connected with the traction inverter unit and transmits the high-voltage effective signal to the traction inverter unit; the traction inverter unit is connected with the power supply grounding circuit, the negative line of the traction inverter is connected with the power supply grounding circuit, and the negative line loop is closed; the emergency pantograph lifting pump and the control circuit are connected with the pantograph execution circuit, and compressed air and state instructions of the emergency pantograph lifting pump are transmitted to the pantograph execution circuit; the pantograph actuating circuit is connected with the pantograph mechanism, controls the pantograph to rise and fall, and transmits the state of the pantograph to the pantograph actuating circuit by the pantograph mechanism.

The IES unit of the distribution board 1 is connected with the IES unit of the distribution board 3 to transmit the IES state and the high-voltage effective signal; the IES unit of the distribution board 3 is connected with the IES unit of the distribution board 2 to perform mutual transmission of the IES state and the high-voltage effective signal; a power supply grounding circuit of the switchboard 1 and a power supply grounding circuit of the switchboard 3, which are used for transmitting power supply grounding signals to each other; the power supply ground circuit of the distribution board 3 and the power supply ground circuit of the distribution board 2 transmit power supply ground signals to each other.

Fig. 2 is a high-voltage power supply main circuit of the high-voltage power supply control system, which simulates a train high-voltage power supply main circuit and mainly comprises: 3 pantograph structures, 3 IES units, 3 high-speed circuit breaker units, 3 traction inverter units, 2 auxiliary inverter units and 5 power supply grounding circuits.

When in work: the high-voltage power supply effective signal of the system passes through a pantograph mechanism on the upper part of an execution cabinet, after the pantograph mechanism rises, the power supply changeover switch passes through an IES unit, the IES unit is a power supply changeover switch control box of a vehicle, the power supply changeover switch has three functional positions of a contact network position, a connection position and a workshop power position, and when the changeover switch is positioned at the contact network position, the high-voltage power supply effective signal of the distribution board 1 transmits the high-voltage power supply effective signal to an auxiliary inverse converter of the main control cabinet 1 through the IES unit of the distribution board 1 and transmits the high-voltage power supply effective signal to a high-speed circuit breaker and a traction converter of the; the high-voltage power supply effective signal of the distribution board 2 transmits a high-voltage power supply effective signal to an auxiliary inverter of the main control cabinet 2 through an IES unit of the distribution board 2 and transmits the high-voltage power supply effective signal to a high-speed circuit breaker and a traction converter of the distribution board; the high voltage power supply effective signal of the distribution board 3 transmits the high voltage power supply effective signal to the high speed circuit breaker and the traction converter of the distribution board through the IES unit of the distribution board 3.

The IES units of the switchboard 1, the switchboard 3 and the switchboard 2 have a remote extension function, and as long as the pantograph of any switchboard rises to the position, the IES unit of the switchboard can transmit a high-voltage power supply effective signal to the IES units of the other two switchboards.

The high-voltage power supply effective signal simulation is that after a pantograph of the device is lifted to a position, a signal for lifting the pantograph to the position is connected to a high-voltage main loop of the device from a DC24V power supply of a simulation high-voltage point, the positive electrode connection of direct-current high-voltage electricity is simulated, a power supply grounding circuit simulates a bogie grounding loop, a negative electrode signal for effective high-voltage power supply is introduced, and the connection of a direct-current high-voltage electricity negative electrode is simulated.

Fig. 3 is a chain circuit of the IES unit of the practical training system. The IES unit interlocking circuit is a circuit for feeding back the functional position states of three IES units to the system, and can realize ground protection and high-voltage electric control on an auxiliary inverter of a main control cabinet, a traction converter and a high-speed circuit breaker of an execution cabinet through the IES interlocking circuit. When the auxiliary inverse converter, the traction converter or the high-speed circuit breaker needs to be overhauled and maintained, a power supply conversion switch of the corresponding IES unit is turned to a grounding position, a pantograph is locked, the pantograph is forced to fall, and grounding discharge and grounding protection are carried out on a high-voltage loop. When the system cannot lift the pantograph and the auxiliary inverse converter needs to be connected with a high-voltage effective signal, the power supply change-over switch of the IES unit is switched to a workshop power supply position, the pantograph is locked, the pantograph is forced to fall, and the high-voltage effective signal can be inserted into the workshop power supply.

When the system needs to raise the bow, all the power supply change-over switches of the three IES units need to be turned to a contact network position, an IES unit contact network position signal of the distribution board 1 is sent out by an X-IES-8, enters the IES unit through an X-IES-5 of the IES unit of the distribution board 3, is sent out by an X-IES-8 of the IES unit of the distribution board 3, enters the IES unit through an X-IES-5 of the IES unit of the distribution board 2, and is output by an X-IES-13 of the IES unit of the distribution board 2 to form an IES chain 1 path;

the IES unit contact network position signal of the distribution board 1 is sent by X-IES-6, enters the IES unit through X-IES-4 of the IES unit of the distribution board 3, is sent by X-IES-6 of the IES unit of the distribution board 3, enters the IES unit through X-IES-4 of the IES unit of the distribution board 2, and is output by X-IES-10 of the IES unit of the distribution board 2 to form an IES chain 2 path;

the interface X-IES-18 of the IES unit is a line for transmitting the information that the position of the power supply change-over switch of the IES unit is in the contact network position to the traction converter of the same switchboard. The output of the X-IES-21 interface is that the IES unit power supply change-over switch is in a non-contact network position, the power of the pantograph lifting relay can be forbidden to be powered on by the distribution board 1, the distribution board 3 and the distribution board 2 which are 24-K06, the pantograph lifting control circuit is cut off, and the pantograph is forced to fall.

Fig. 4a, 4b, 4c are internal and interface circuits implementing three IES units of a cabinet. Fig. 4a shows an internal circuit and an interface circuit of an IES unit (═ 11-a01) of the distribution board 1, where the IES unit is divided into an external interface control circuit interface and a high voltage main circuit interface, and the specific interfaces are defined as the following table:

the IES unit control circuit interface of panel 1 defines:

the IES cell high voltage circuit interface definition of switchboard 1:

when the switch S100 in the IES unit of the distribution board 1 is operated to the "overhead line system" position, the relay K42 is powered on, the normally open contact of the relay K42 is closed, the control circuit interface X-IES-8 outputs an IES power supply changeover switch contact network position output DC110V signal 1, and X-IES-6 outputs an IES power supply changeover switch contact network position output DC110V signal 2. The normally open contact of the K42 relay is closed, the K43 relay is electrified, and the control circuit interface X-IES-18 outputs a DC110V signal. When K42 is energized, the high-voltage main circuit interface 4 and the interface 5 have high-voltage effective signals.

When S100 is operated to the grounding position, K41 relay is electrified, K41 relay normally open contact is closed, and control circuit interface X-IES-21 outputs an IES power supply changeover switch non-contact network position output DC110V signal. When the relay K41 is energized, the high voltage

main circuit lines

11154 and 11150 are grounded, and the high voltage

main circuit interfaces

1 and 3 are grounded. When the relay K41 is energized, the line 11110 is conducted to the negative line of the high-voltage main circuit interface 16, and the local train ground signal at the interface 15c and the auxiliary inverter ground signal at the high-voltage main circuit interface 15a are output.

When S100 is operated to the 'workshop power supply' position, the K40 relay is electrified, the K40 relay normally open contact is closed, and the control circuit interface X-IES-21 outputs an IES power supply change-over switch non-contact network position output DC110V signal. When the K40 relay is powered on, the high-voltage main circuit line 11154 is connected with a high-voltage power socket for supplying power to a workshop, and the high-voltage main circuit interface 4 and the interface 5 have a workshop power high-voltage electricity effective signal.

Fig. 4b shows the internal circuit and interface circuit of the IES unit (11-a01) of the distribution board 3, wherein the external interface of the IES unit is divided into the control circuit interface and the high voltage main circuit interface, and the specific interface is defined as the following table:

the IES unit control circuit interface of the switchboard 3 defines:

the IES cell high voltage circuit interface definition of the switchboard 3:

when S100 is operated to the "overhead line system" position, the K72 relay is energized, the K72 relay normally open contact is closed, the control circuit interface X-IES-5 receives the DC110V of the 1-way of the IES interlock circuit of the distribution board 1, and the X-IES-8 outputs the DC110V signal of the 1-way of the interlock circuit of the IES of the overhead line system positions of the distribution board 1 and the distribution board 3 through the K72 relay normally open contact. The control circuit interface X-IES-4 receives DC110V of 2 paths of IES interlocking circuits of the distribution board 1, and outputs DC110V signals of 2 paths of IES interlocking circuits of the IES power supply change-over switches of the distribution board 1 and the distribution board 3 through a K72 relay normally open contact. The normally open contact of the K72 relay is closed, the K73 relay is electrified, and the control circuit interface X-IES-18 outputs a DC110V signal. When K72 is energized, the high-voltage main circuit interface 4 and the interface 5 have high-voltage effective signals.

When S100 is operated to the grounding position, K71 relay is electrified, K71 relay normally open contact is closed, and control circuit interface X-IES-21 outputs an IES power supply changeover switch non-contact network position output DC110V signal. When the relay K71 is powered on, the high-voltage main circuit line 11154 is grounded, and the high-voltage main circuit interface 1 and the interface 3 are grounded. When the relay K71 is powered on, the line 11110 is conducted with the negative line of the high-voltage main circuit interface 16, and the high-voltage main circuit interface 15c outputs the local train ground signal.

Fig. 4c shows internal circuits and interface circuits of the IES unit (11-a01) of the distribution board 2, where the IES unit is divided into an external interface control circuit interface and a high-voltage main circuit interface, and the specific interfaces are defined as the following table:

switchboard 2 emulates the IES unit control circuit interface definition:

the IES cell high voltage circuit interface definition for panel 2:

when S100 is operated to the "overhead line system" position, the K82 relay is energized, the K82 relay normally open contact is closed, the control circuit interface X-IES-5 receives the DC110V of the 1-way of the IES interlock circuit of the distribution board 3, and the X-IES-13 outputs the DC110V signal of the 1-way of the IES interlock circuit of the distribution board 1, the distribution board 3, and the power supply changeover switch of the distribution board 2 contacting the overhead line system through the K82 relay normally open contact. The control circuit interface X-IES-4 receives DC110V of 2 paths of IES interlocking circuits of the distribution board 3, and outputs DC110V signals of 2 paths of IES interlocking circuits of IES power supply change-over switch contact net positions of the distribution board 1, the distribution board 3 and the distribution board 2 through a K82 relay normally open contact. The normally open contact of the K82 relay is closed, the K83 relay is electrified, and the control circuit interface X-IES-18 outputs a DC110V signal. When K82 is energized, the high-voltage main circuit interface 4 and the interface 5 have high-voltage effective signals.

When S100 is operated to the grounding position, K81 relay is electrified, K81 relay normally open contact is closed, and control circuit interface X-IES-21 outputs an IES power supply changeover switch non-contact network position output DC110V signal. When the relay K81 is energized, the analog high voltage

main circuit lines

11154 and 11150 are grounded, and the high voltage

main circuit interfaces

1 and 3 are grounded. When the relay K81 is powered on, the line 11110 is conducted to the negative line of the high-voltage main circuit interface 16, and the high-voltage main circuit interface 15c outputs the local train ground signal and the trailer ground signal of the high-voltage main circuit interface 15 a.

When S100 is operated to the 'workshop power supply' position, the K80 relay is electrified, the K80 relay normally open contact is closed, and the control circuit interface X-IES-21 outputs an IES power supply change-over switch non-contact network position output DC110V signal. When the K80 relay is powered on, the high-voltage circuit main circuit line 11154 is connected with the workshop high-voltage power socket, and the workshop power high-voltage effective signal is provided at the high-voltage main circuit interface 4 and the interface 5.

Fig. 5a and 5b show a high-speed circuit breaker control circuit and an interface circuit of the high-voltage power supply control system. Fig. 5a shows a control circuit of a high-speed circuit breaker, the control circuit is powered off by 22-F04, a relay is powered on by 21-K09 when the cab is activated, a high-speed circuit breaker branch command button is 22-S04, when the relay is pressed down by 22-S04, a No. 22403 line loses power, and a control unit of a traction converter of the switchboard 1, the switchboard 2 and the switchboard 3 receives a high-speed circuit breaker branch command to control the high-speed circuit breaker to be disconnected, and simultaneously sends a high-speed circuit breaker branch signal to a network system of a main control cabinet, and the high-speed circuit breaker is displayed on an HMI (human machine interface).

Fig. 5b shows the interface and internal circuitry of the high speed circuit breaker controlled by the traction control unit of the traction converter, and the control signal interface and high voltage electrical signal interface with the traction unit as follows:

and executing high-speed breaker interface definition of each switchboard of the cabinet:

the control circuit power supply of the high-speed circuit breaker is provided by X-HSCB-6 and X-HSCB-7, the X-HSCB-6 inputs a positive power supply, when the X-HSCB-5 inputs DC110V, the enabling relay gets power when K3 is up, when the X-HSCB-1 inputs 5 seconds of DC110V closing pulse, the high-speed circuit breaker obtains a closing instruction, the high-break control relay gets power when K1 is up, the high-break control relay gets power when K6 is up, a control signal passes through the normally open contact of the K6 relay and the normally open contact of the K3 relay, the normally closed contact of the KT0 fault relay gets power to the main contactor of the high-speed circuit breaker when K0 is up, the main contact is closed, the interface 2 is conducted with the interface 6a, and the interface 6a outputs a high-voltage positive electric signal.

When the K0 is closed, the traction converter receives a high-voltage effective signal, the X-HSCB-8 interface inputs a high-speed circuit breaker holding command, the relay is kept powered up when the K4 is equal to K4, the normally-open contact of the K6 relay bypasses the normally-open contact of the K6 relay, and the main contactor is kept powered up when the K0 is equal to K. When the traction converter stops outputting the high-speed breaker keeping command, the K4 keeps the relay to lose power, the K0 main contactor loses power, and the high-speed breaker is disconnected.

The X-HSCB-2 is a KIC high-voltage effective signal output by the traction converter, the KIC high-voltage effective signal is output after the traction converter receives the high-voltage effective signal, the X-HSCB-2 inputs DC110V after the high-speed circuit breaker receives the KIC high-voltage effective signal output by traction, the K2 relay is electrified, and the KT0 time relay trigger circuit is disconnected. If the KIC high voltage of the traction converter is effective and has no output, the K2 relay loses power, the KT0 time relay is triggered, after the time delay of 5S, the KT0 time relay normally-closed contact acts, the K0 main contactor loses power, and the high-speed circuit breaker is disconnected.

Fig. 6a, 6b, 6c are pantograph system control circuits. The pantograph mechanism of the pantograph system is driven by compressed air, and the pantograph lifting cylinder is controlled by the pantograph lifting solenoid valve to blow air so as to lift the pantograph body.

The pantograph-ascending electromagnetic valve is controlled by a pantograph control circuit, fig. 6a shows the pantograph control circuit of the main control cabinet, power is supplied by the main control cabinet which is 22-F01, an emergency brake button which is 26-S02 is provided, when the main control cabinet which is 26-S02 is pressed, a 22104 line is electrified, and a pantograph descending command is output.

The pantograph lifting signal is supplied with power through 22-F01, after the cab is activated, a relay with 21-K09 heads is powered, a normally closed contact of a 22-S01 pantograph lowering button is passed through a normally open contact of a 22-S02 pantograph lifting button, a 22106 line is powered, a 22-S05 pantograph lifting selection switch is passed through to select a pantograph lifting position, and when a 22-S05 pantograph lifting selection switch selects 1 pantograph lifting, the pantograph lifting signal is powered through a 22-V01 isolation diode to power a train line 22114; when the pantograph rising selection switch is 22-S05 to select pantograph rising 2, the pantograph rising signal passes through the isolation diode 22-V02 to electrify the train line 22115; when the pantograph lifting selection switch is 22-S05 to select lifting of 3 pantograph, a pantograph lifting signal passes through a 22-V03 isolation diode to enable the train line 22116 to be electrified; when the pantograph lifting selection switch is 22-S05 to select the pantograph lifting, the pantograph lifting 1, 2 and 3 train signal wires are all electrified. When the pantograph descending button is pressed, the button 22-S01 is pressed, the normally closed contact is opened, the circuit of the pantograph ascending signal is cut off, the normally open contact is closed, the wire 22104 is electrified, and the pantograph descending signal is output.

The 22-S02 bow-lifting button is a button with a lamp, the red button lamp is controlled by the train monitoring network system, when the bow is lifted to the proper position, the train monitoring network system outputs a signal, and the 22-S02 button indicator lamp is turned on. The 22-S01 bow-raising button is a button with a lamp, the green button lamp is controlled by the train monitoring network system, when the bow is lowered to the proper position, the train monitoring network system outputs a signal, and the 22-S01 button indicator lamp is turned on.

The pantograph of the switchboard 1 and the switchboard 2 has an emergency pantograph lifting function, when the total wind pressure of the train is too low and cannot meet pantograph lifting conditions, the emergency pantograph lifting pump of the DC110V supplies wind, the emergency pantograph lifting pump controls idle opening by emergency pantograph lifting of 22-F02 to supply power, the emergency pantograph lifting pump input button of 22-S03 is pressed, and the train line 22303 is electrified. Fig. 6c shows an emergency pantograph-ascending control circuit of the distribution board 1 and the distribution board 2, the emergency pantograph-ascending pumps of the distribution board 1 and the distribution board 2 are powered by the No. 22-F03 switch, and are controlled by the No. 22-K07 emergency pantograph-ascending pump starting contactor, and after the power is supplied to the train line 22303, the emergency pump starting pressure switch-U08 is used to control, when the pantograph wind pressure is lower than 400kpa, -U08 conducts 22303 and 22305, so that the No. 22-K07 emergency pump starting contactor is powered, the emergency pantograph-ascending pump is started, and the emergency pantograph-ascending pump operating signal is output, and when the wind pressure is higher than 500kpa, -U08 conducts 22303 and 22304, and the pantograph-ascending permission signal is output. The pantograph total wind pressure switch-U09 is a pressure switch for detecting the total wind pressure, when the total wind is lower than 420kpa, the-U09 pressure switch is opened, and when the total wind is higher than 450kpa, the-U09 pressure switch is closed, and a pantograph lifting allowance signal is output.

Fig. 6b shows a pantograph control circuit for each switchboard of the executive rack, where the trainline 22114 is the switchboard 1 pantograph up-bow control line, the trainline 22115 is the switchboard 2 pantograph up-bow control line, the trainline 22116 is the switchboard 3 pantograph up-bow control line, and the trainline 22104 is the pantograph down-bow control line. Switchboard 1 liter bow control circuit principle: the power supply of a switchboard 1 liter bow control circuit is controlled by a 22-F01 pantograph to be idle, power is supplied through an IES interlocking relay 24-K06 normally closed contact and a 22107 wire, power is supplied through a normally closed contact of a falling bow solenoid valve 22-K04 and a 22109 wire, when a train line 22114 is powered and a 22-K03 liter bow relay is powered, the 22-K05 liter bow holding relay is powered, a normally open contact is closed, and the 22-K05 liter bow holding relay is self-locked. When the 22-K05 pantograph ascending holding relay normally open contact is closed, the 22-a01 pantograph electromagnetic valve is electrified and operated through the 24-K06 normally closed contact and the 22-K04 normally closed contact, and the switchboard 1 pantograph is lifted. When the pantograph is lowered, the train line 22104 is electrified, the pantograph lowering relay is electrified 22-K04, the normally closed contact is disconnected, the 22-K05 liter pantograph holding relay and the 22-A01 liter pantograph electromagnetic valve are electrified, and the pantograph is lowered.

When the pantograph is lifted to the position, the 22-K01 pantograph lifting to position pressure switch detects that the pantograph lifting pressure is greater than 450kpa, the pantograph lifting to position signal is fed back to the train monitoring network system, when the pantograph is lowered to the position, the 22-K01 pantograph lifting to position pressure switch detects that the pantograph lifting pressure is less than 100kpa, and the pantograph lowering to position signal is fed back to the train monitoring network system.

Switchboard 2 liter bow control circuit principle: the 2 liter bow control circuit of the switchboard is controlled by a 22-F01 pantograph to be in idle power supply, an IES interlocking relay is 24-K06 normally closed contact, a 22107 wire is electrified, a falling bow solenoid valve is 22-K04 normally closed contact, a 22109 wire is electrified, when a train line 22115 is electrified, a 22-K03 liter bow relay is electrified, a 22-K05 liter bow holding relay is electrified, a normally open contact is closed, and a 22-K05 liter bow holding relay is self-locked. When the 22-K05 liter bow keeps the normally open contact of the relay closed, the 22-a01 liter bow electromagnetic valve is electrified and operated through the 24-K06 normally closed contact and the 22-K04 normally closed contact, and the distribution board 2 pantograph is lifted. When the pantograph is lowered, the train line 22104 is electrified, the pantograph lowering relay is electrified 22-K04, the normally closed contact is disconnected, the 22-K05 liter pantograph holding relay and the 22-A01 liter pantograph electromagnetic valve are electrified, and the pantograph is lowered.

Switchboard 3 liter bow control circuit principle: the power distribution board 3-liter bow control circuit is controlled by a 22-F01 pantograph to be in idle power supply, an IES interlocking relay is in a 24-K06 normally closed contact, a 22107 wire is electrified, a falling bow electromagnetic valve is in a 22-K04 normally closed contact, a 22109 wire is electrified, when a train line 22116 is electrified, a 22-K03 liter bow relay is electrified, a 22-K05 liter bow holding relay is electrified, a normally open contact is closed, and a 22-K05 liter bow holding relay is self-locked. When the 22-K05 liter bow keeps the normally open contact of the relay closed, the 22-a01 liter bow electromagnetic valve is electrified and operated through the 24-K06 normally closed contact and the 22-K04 normally closed contact, and the distribution board 3 pantograph is lifted. When the pantograph is lowered, the train line 22104 is electrified, the pantograph lowering relay is electrified 22-K04, the normally closed contact is disconnected, the 22-K05 liter pantograph holding relay and the 22-A01 liter pantograph electromagnetic valve are electrified, and the pantograph is lowered.

The intelligent debugging and training method for the high-voltage power supply control of the urban railway passenger car mainly comprises the following steps: an IES unit debugging method and a pantograph system debugging method.

1. The IES unit debugging method comprises the following steps:

1.1, line measurement

The external power supply of the disconnecting device is opened, and the positive line bus (line numbers: 11101, 11102, 11104, 11105 and 11108) and the negative line bus (line number: 11109) of the high-voltage main loop of the measuring device are determined to be not conducted.

1.2 IES Unit function test

1.2.1, operating an IES unit power supply selection switch of the power distribution board 1 of the execution cabinet to a grounding position, activating a cab in the main control cabinet 1, operating and pressing a pantograph lifting button, and confirming that all the pantographs cannot lift.

1.2.2, operating an IES unit power supply selection switch of the power distribution board 1 of the execution cabinet to a workshop power supply position, activating a cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph cannot lift.

1.2.3, operating an IES unit power supply selection switch of the power distribution board 1 of the execution cabinet to a contact network position, activating a cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph can be lifted.

1.2.4, operating an IES unit power supply selection switch of the distribution board 3 of the execution cabinet to a grounding position, activating a cab in the main control cabinet 1, operating and pressing a pantograph lifting button, and confirming that all the pantographs cannot lift.

1.2.5, operating an IES unit power supply selection switch of the execution cabinet distribution board 3 to a workshop power supply position, activating a cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph cannot lift.

1.2.6, operating an IES unit power supply selection switch of the distribution board 3 of the execution cabinet to a contact network position, activating a cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph can be lifted.

1.2.7, operating an IES unit power supply selection switch of the distribution board 2 of the execution cabinet to a grounding position, activating a cab in the main control cabinet 1, operating and pressing a pantograph lifting button, and confirming that all the pantographs cannot lift.

1.2.8, operating an IES unit power supply selection switch of the execution cabinet distribution board 2 to a workshop power supply position, activating the cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph cannot be lifted.

1.2.9, operating an IES unit power supply selection switch of the distribution board 2 of the execution cabinet to a contact network position, activating a cab in the main control cabinet 1, pressing a pantograph lifting button, and confirming that the pantograph can be lifted.

1.2.10, activating the cab in the main control cabinet 1, pressing the pantograph lifting button to confirm that the pantograph is lifted, operating the IES unit power supply selection switches of the distribution board 1, the distribution board 3 and the distribution board 2 to a non-contact network position respectively, confirming that all the pantographs are lowered, pressing the pantograph lifting button again to confirm that each pantograph cannot be lifted.

1.2.11, activating the cab in the main control cabinet 2, and repeating the experiment.

2. The debugging method of the pantograph system comprises the following steps:

2.1 line measurement

2.1.1, electrifying the storage battery and activating the cab of the main control cabinet 1.

2.1.2, the upper port voltage of the pantograph control system power supply empty-on-off 22-F01 and the emergency pantograph control empty-on-off 22-F02 of the measurement master control cabinet 1 and the master control cabinet 2 is DC110V, and the lower port is not conducted to the ground.

2.1.3, the pantograph control idle opening of the cabinet distribution board 1, the distribution board 3 and the distribution board 2 is carried out, the voltage of an upper port is DC110V, and a lower port is not conducted to the ground.

2.1.4, the voltage of an upper port of the emergency pump of the cabinet distribution board 1 and the emergency pump of the distribution board 2 are measured to be 22-F03 and is DC110V, and a lower port of the emergency pump is not conducted with the ground.

2.2 Emergency Bow raising test

2.2.1 closing pantograph control system of main control cabinet to supply power and raise pantograph control to open 22-F01 and 22-F02, closing pantograph control to open 1, 3 and 2

22-F01, emergency pump idle on cabinet panel 1 and panel 2 is performed closed 22-F03.

2.2.2, the cut-off cock of the external air compressor of the device is driven to a cut-off position.

2.2.3, in the cab of the main control cabinet 1, the pantograph raising selection switch is turned to the full pantograph raising position 22-S05, the pantograph raising pump input button is pressed 22-S03, it is confirmed that the pantograph raising pump is started in emergency, and when the pantograph raising pump is stopped, the pantograph raising button is pressed 22-S02, it is confirmed that the pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 are executed to start pantograph raising.

2.2.4, pressing down the pantograph button 22-S01, it was confirmed that the pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 were lowered.

2.2.5, the cut-off cock of the external air compressor of the device is opened to the conducting position, and the output air pressure of the external air compressor is confirmed to be greater than 4.0 bar.

2.2.6, when the pantograph pump input button is pressed in the cab of the

main control cabinet

1, 22 to S03, it is confirmed that the pantograph pump is not started in response to an emergency, and when the pantograph pump input button is pressed, 22 to S02, it is confirmed that pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 are executed, and pantograph lifting is started.

2.2.7, pressing down the pantograph button 22-S01, it was confirmed that the pantograph mechanisms of the cabinet distribution board 1 and the distribution board 2 were lowered.

And 2.2.8, activating the cab in the main control cabinet 2, and repeating the experiment.

2.3 Normal Bow lifting test

2.3.1, activating a cab of the main control cabinet 1, selecting pantograph lifting in the cab, operating a pantograph lifting selection switch to select 1-pantograph lifting, pressing a pantograph lifting button, and confirming that the pantograph lifting of the distribution board 1 of the cabinet is executed; operating the pantograph lifting selection switch to select lifting 2 pantograph, pressing down the pantograph lifting button, and confirming that the switchboard 2 pantograph of the executing cabinet is lifted; operating the pantograph lifting selection switch to select lifting 3 pantograph, pressing down the pantograph lifting button, and confirming that the switchboard 3 pantograph of the executing cabinet is lifted; the pantograph lifting selection switch is operated to select lifting of the whole pantograph, and the pantograph lifting button is pressed to confirm that the pantograph lifting of the switchboard 1, the switchboard 3 and the switchboard 2 of the execution cabinet is lifted.

And 2.3.2, pressing a pantograph descending button to confirm that the lifted pantograph descends.

And 2.3, lifting all the pantographs, pressing an emergency brake button (mushroom button) and confirming that the pantographs are quickly lowered.

2.3.4, disconnecting the activation of the cab of the main control cabinet 1, activating the cab of the main control cabinet 2, selecting pantograph lifting in the cab, operating a pantograph lifting selection switch to select 1-pantograph lifting, pressing a pantograph lifting button, and confirming that the pantograph lifting of the switchboard 2 of the cabinet is executed; operating a pantograph lifting selection switch to select lifting 2 pantograph, pressing a pantograph lifting button, and confirming that the pantograph of a switchboard 1 of the execution cabinet is lifted; operating the pantograph lifting selection switch to select lifting 3 pantograph, pressing down the pantograph lifting button, and confirming that the switchboard 3 pantograph of the executing cabinet is lifted; the pantograph lifting selection switch is operated to select lifting of the whole pantograph, and the pantograph lifting button is pressed to confirm that the pantograph lifting of the switchboard 1, the switchboard 3 and the switchboard 2 of the execution cabinet is lifted.

And 2.3.5, pressing a pantograph descending button to confirm that the lifted pantograph descends.

2.3.6, all the pantographs are lifted, and the emergency brake button (mushroom button) is pressed to confirm that the pantograph is rapidly lowered.

The invention organically integrates the background support and the foreground functional hardware through the logic connection and the network connection of the hardware, embodies the main functions of the high-voltage system of the urban railway vehicle, embodies the unique characteristic of the debugging skill of the urban railway vehicle, and has the advantages of high simulation degree, high training efficiency and low cost.

The training examination questions are selected by a database, and the simulation device is enabled to have faults by activating a fault setting relay, so that function loss is caused. The training personnel input the fault code through the answering machine after analyzing and measuring, and judge whether the answer is correct through comparing with the database.

Claims

1. The utility model provides a city railway passenger train high voltage power supply control intelligent debugging training system which characterized in that: the high-speed circuit breaker control circuit comprises two main control cabinets and an execution cabinet, wherein each main control cabinet comprises a high-speed circuit breaker control circuit, a pantograph control circuit, an auxiliary inverter and a power supply grounding circuit; the execution cabinet includes three distribution board, and distribution board 1 is the same with distribution board 2, all includes pantograph structure, IES unit, high-speed circuit breaker unit, draws the inverter unit, the pantograph executive circuit, emergency rising bow pump and control circuit, power supply earthing circuit, and distribution board 3 includes pantograph structure, IES unit, high-speed circuit breaker unit, draws the inverter unit, the pantograph executive circuit, power supply earthing circuit, wherein, the relation of connection between each part is as follows:

the high-speed circuit breaker control circuits of the two main control cabinets are connected with the high-speed circuit breaker units of the three distribution boards of the execution cabinet, and the high-speed circuit breaker control instructions are transmitted to the three high-speed circuit breaker units; one output end of the two pantograph control circuits is connected with the three pantograph execution circuits, and a pantograph control command is transmitted to the three pantograph execution-0 circuits; the other output ends of the two pantograph control circuits are connected with emergency pantograph-raising pumps and control circuits of the switchboard 1 and the switchboard 2, and emergency pantograph-raising pump control instructions are transmitted to the emergency pantograph-raising pumps and control circuits of the switchboard 1 and the switchboard 2; an auxiliary inverter in the main control cabinet is connected with a power supply grounding circuit to close a negative line loop; the high-speed circuit breaker unit of the distribution board 1 is connected with the auxiliary inverter of the main control cabinet 1, and the high-speed circuit breaker unit of the distribution board 2 is connected with the auxiliary inverter of the main control cabinet 2 and provides high-voltage positive electric signals for the auxiliary inverter; the power supply grounding circuits of the two main control cabinets are respectively connected with the power supply grounding circuits of the adjacent switchboard, and the power supply grounding circuits of 3 switchboards are sequentially connected;

2. The intelligent debugging and training system for high-voltage power supply control of urban railway passenger cars according to claim 1, characterized in that: the IES unit is internally provided with a 3-bit mode change-over switch, a workshop power supply potential contactor, a grounding potential contactor, a contact network potential relay and an isolation diode, wherein the 3-bit mode change-over switch is connected with the workshop power supply potential contactor, and when the 3-bit mode change-over switch rotates to the workshop power supply potential, the workshop power supply potential contactor is controlled; the 3-bit mode change-over switch is connected with the grounding potential contactor, and when the 3-bit mode change-over switch rotates to a grounding position, the grounding potential contactor is controlled; the 3-bit mode change-over switch is connected with the contact network potential relay, and when the 3-bit mode change-over switch rotates to the contact network potential, the contact network potential relay is controlled; the contact network position relay is connected with a normally closed contact of the grounding position contactor, the normally closed contact of the grounding position contactor is connected with the normally closed contact of the workshop power position contactor, the normally closed contact of the workshop power position contactor is connected with the normally open contact of the contact network position contactor, and the three contactor contacts control the contact network position relay to be electrified; the main contacts of the workshop power supply potential contactor, the grounding potential contactor and the contact network potential contactor are respectively connected with an external interface and an external main circuit.

3. The intelligent debugging and training system for high-voltage power supply control of urban railway passenger cars according to claim 1, characterized in that: the high-speed circuit breaker unit comprises a closed high-break signal input relay, a KIC high-voltage signal input relay, a closure permission signal input relay, a hold signal input relay, a high-break closure contactor, a high-break closure enabling relay, a protection delay relay and an external interface, wherein the closed high-break signal input relay is connected with the external interface and is responsible for receiving a closed high-break signal; the KIC high-voltage signal input relay is connected with an external interface and is responsible for receiving a KIC high-voltage effective signal; the closing permission signal input relay is connected with an external interface and is responsible for receiving a high-break closing permission signal; the holding signal input relay is connected with an external interface and is responsible for receiving a high-break holding signal; the high-break closed enabling relay is connected with a normally open contact of the closed allowing signal input relay, the normally open contact of the closed allowing signal input relay is connected with the normally open contact of the closed high-break signal input relay, and the two contacts are connected in series to control the high-break closed enabling relay; the protection delay relay is connected with a normally closed contact of a KIC high-voltage signal input relay, the normally closed contact of the KIC high-voltage signal input relay is connected with a normally open contact of a high-break closed contactor, and the two contacts are connected in series to control the protection delay relay; the high-break closed contactor is connected with a normally closed contact of a protection delay relay, the normally closed contact of the protection delay relay is connected with a normally open contact of a closure permission signal input relay, the normally open contact of the signal input relay is kept in parallel with the normally open contact of the high-break closure enabling relay and is connected with the normally open contact of the closure permission signal input relay, and the four groups of contacts are connected in series and in parallel to control the high-break closed contactor.

4. The intelligent debugging and training system for high-voltage power supply control of urban railway passenger cars according to claim 1, characterized in that: the high-voltage power supply main circuit is responsible for high-voltage electric signal transmission, controls the working power supply input of the traction inverter unit and the auxiliary inverter through a high-voltage electric effective signal, and simulates the working mode of the traction inverter unit and the auxiliary inverter after the high-voltage electric connection.

5. An intelligent debugging and training method for high-voltage power supply of an urban railway passenger car is characterized by comprising the following steps: the method comprises IES unit debugging and pantograph system debugging, and comprises the following specific steps:

the IES unit debugging method comprises the following steps:

the debugging method of the pantograph system comprises the following steps:

(1) the storage battery is electrified, and any cab is activated;