WO2019113909A1 - Electric locomotive auxiliary control apparatus - Google Patents

Abstract

An electric locomotive auxiliary control apparatus, comprising: a mother board (1) and at least one circuit daughter board (2). The circuit daughter board (2) comprises at least one master control board (21), at least one signal input/output board (22), and at least one network board (23); the master control board (21) is used for separately controlling different auxiliary inverse power supply modules and/or charging modules in an auxiliary electrical system; the signal input/output board (22) is used for acquiring an input signal from the auxiliary electrical system and inputting the signal to the master control board (21), and receiving an output signal returned by the master control board (21); the network board (23) is adapted to be connected to the master control board (21) and an external device, so that the master control board (21) can carry out network communication with the external device. The electric locomotive auxiliary control apparatus can acquire information of different auxiliary inverse power supply modules and/or charging modules in an auxiliary electrical system, processing the information, generating a corresponding instruction, and returning the instruction to the auxiliary electrical system, so that the auxiliary electrical system may be controlled to work normally.

Description

Electric locomotive auxiliary control device Technical field

The invention relates to the technical field of electric locomotives, and in particular to an electric locomotive auxiliary control device.

Background technique

Electric locomotive plays a vital role in railway transportation, and the auxiliary electric system of electric locomotive is the core of the normal operation of electric locomotive. It mainly realizes the functions of auxiliary power supply, auxiliary load management and other auxiliary parts protection of the whole vehicle. .

The auxiliary electrical system of the electric locomotive is responsible for the power supply of various devices other than the main circuit of the locomotive traction system. It is necessary not only to provide three-phase power for the locomotive auxiliary motor, but also to charge the battery pack of the locomotive. In addition, in order to prevent the normal operation of the locomotive due to the failure of the auxiliary power supply equipment, the auxiliary electrical system must also set various fault protection and redundancy functions.

The auxiliary electrical system of the electric locomotive also undertakes the above-mentioned multiple tasks, and some of the above-mentioned multiple tasks are not related to each other. Therefore, the auxiliary electrical system has complicated control over multiple tasks, and the prior art is There is no relevant record on the comprehensive control of collecting multiple task information of the auxiliary electrical system.

Summary of the invention

The invention provides an electric locomotive auxiliary control device for collecting multiple task information of an auxiliary electrical system for comprehensive control.

The invention provides an electric locomotive auxiliary control device, comprising: a mother board and at least one circuit sub-board, wherein the circuit sub-boards are pluggable and connected to the mother board;

The circuit board includes at least one main control board, at least one signal input/output board, and at least one network board;

The main control board is used for respectively controlling different auxiliary power supply modules and/or charging modules in the auxiliary electrical system; the signal input/output board is used for collecting input signals from the auxiliary electrical system, and inputting the input signals to the main control board, And receiving the output signal returned by the main control board, and outputting the output signal to the auxiliary electrical system; the network board is used for connecting the main control board and the external device, so that the main control board and the external device perform network communication.

Optionally, the circuit sub-board includes a first main control board and a second main control board, where the first main control board is configured to control the first auxiliary reverse power supply module and/or the charging module in the auxiliary electrical system, and the second main control The control board is used to control the second auxiliary power supply module in the auxiliary electrical system.

Optionally, each of the foregoing main control boards includes: a first external connector, a first motherboard connector, and at least one first processor;

The first processor is configured to perform logic control and signal operation processing on the main control board;

The first motherboard connector is connected between the first processor and the motherboard, and the first external connector is connected to the first processor and serves as a reserved external function interface of the first processor.

Optionally, the at least one signal input and output board comprises: at least two digital signal input and output boards for transmitting digital signals and at least two analog signal input and output boards for transmitting analog signals.

Optionally, at least one signal input/output board comprises at least one digital signal input board and at least one digital signal output board;

The digital signal input board includes a second external connector, a second processing circuit, and a second motherboard connector;

a second external connector is connected between the auxiliary electrical system and the second processing circuit for transmitting the digital input signal of the collected auxiliary electrical system to the second processing circuit;

The second processing circuit includes a logic chip and/or an optocoupler chip;

The second motherboard connector is connected between the digital signal input board and the motherboard for outputting a digital input signal to the main control board;

The digital signal output board includes a third external connector, a third processing circuit, and a third motherboard connector;

The third external connector is connected between the auxiliary electrical system and the third processing circuit for outputting the digital output signal returned by the main control board to the auxiliary electrical system;

The third processing circuit is configured to perform logic control of the digital signal output board;

The third motherboard connector is connected between the digital signal output board and the motherboard for receiving the digital output signal returned by the main control board.

Optionally, at least one signal input and output board comprises at least one analog quantity board and at least one pulse board;

The analog panel includes a fourth external connector, a fourth processing circuit, and a fourth motherboard connector;

The fourth external connector is connected between the auxiliary electrical system and the fourth processing circuit, and configured to transmit the collected analog input signal of the auxiliary electrical system to the fourth processing circuit;

The fourth processing circuit is a sampling chip and a signal conditioning circuit for collecting an analog input signal and converting the analog input signal into a digital signal;

The fourth motherboard connector is connected between the analog board and the motherboard for outputting digital signals to the main board.

Optionally, the pulse board comprises: a fifth external connector, a fifth processing circuit, and a fifth motherboard connector;

The fifth external connector is connected between the auxiliary electrical system and the fifth processing circuit, and is configured to output a pulse output signal returned by the main control board to the power module in the auxiliary electrical system, and receive a feedback signal fed back by the power module;

The fifth processing circuit includes a logic chip and/or a level shifting driving chip for performing logic control of the pulse board and/or level shifting of the pulse output signal;

The fifth motherboard connector is connected between the pulse board and the motherboard, and is configured to receive a pulse output signal returned by the main control board and output a feedback signal to the main control board.

Optionally, the network board includes at least one sixth connector, a first power module, and a sixth processing circuit;

The sixth connector is connected between the auxiliary electrical system and the sixth processing circuit to enable the network board to communicate with the auxiliary electrical system;

The first power module is connected to the sixth connector to provide DC isolation power to the sixth connector;

The sixth processing circuit includes a controller area network CAN interface chip and/or an RS485 isolation conversion chip.

Optionally, the device further includes a control power board and a power module power board;

Wherein, the control power board is disposed on the motherboard, and the control power board includes at least one power module for converting the input DC power to the power required by the daughter board on the motherboard;

The power module power board includes at least one eighth output connector and an eighth power module; the eighth power module is configured to convert the input DC power into a power required by the power module in the auxiliary electrical system; and the eighth output connector is configured to The corresponding power module outputs power.

Optionally, the device further includes a gateway board for performing protocol conversion between the RS485 interface and the multi-function vehicle bus MVB interface, and the gateway board is connected between the motherboard and the MVB interface device.

The electric locomotive auxiliary control device provided by the invention comprises a motherboard and at least one circuit sub-board, the circuit sub-board comprises at least one main control board, at least one signal input/output board and at least one network board; wherein the main control board can realize auxiliary electric Different auxiliary power supply modules and/or charging modules in the system are controlled; the input signal of the auxiliary electrical system is collected by the signal input and output board to the main control board, and the main control board returns the output signal correspondingly, and the signal input and output board outputs the output signal The auxiliary electrical system is controlled to realize the control of the auxiliary electrical system, and the network board connects the main control board and the external device, thereby realizing network communication between the main control board and the external device. The electric locomotive auxiliary control device provided by the present application can collect various information of different auxiliary reverse power supply modules and/or charging modules in the auxiliary electrical system, process the information, generate corresponding instructions and return to the auxiliary electrical system to control the auxiliary. The electrical system is working properly.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief introduction will be made to the drawings used in the embodiments or the prior art description. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

1 is a schematic structural view of an electric locomotive auxiliary control device according to Embodiment 1 of the present invention;

2 is a schematic structural diagram of a main control board of an electric locomotive auxiliary control device according to an embodiment of the present invention;

3 is a schematic structural diagram of a digital signal input board of an electric locomotive auxiliary control device according to an embodiment of the present invention;

4 is a schematic structural diagram of a digital signal output board of an electric locomotive auxiliary control device according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of an analog quantity board of an electric locomotive auxiliary control device according to an embodiment of the present invention; FIG.

6 is a schematic structural diagram of a pulse board of an electric locomotive auxiliary control device according to an embodiment of the present invention;

7 is a schematic structural diagram of a network board of an electric locomotive auxiliary control device according to an embodiment of the present invention;

8 is a schematic structural diagram of an electric locomotive auxiliary control device according to Embodiment 2 of the present invention;

9 is a schematic structural diagram of an electric locomotive auxiliary control device according to a third embodiment of the present invention;

10 is a schematic diagram showing a circuit board connection relationship of an electric locomotive auxiliary control device according to Embodiment 4 of the present invention;

11 is a schematic view showing the position of a circuit board of a circuit sub-board of an electric locomotive auxiliary control device according to Embodiment 4 of the present invention;

FIG. 12 is a schematic diagram of a panel of an electric locomotive auxiliary control device according to a fourth embodiment of the present invention.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with aspects of the present disclosure as detailed in the appended claims.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

The technical solutions of the present invention will be described in detail below with specific embodiments. The following specific embodiments may be combined with each other, and the same or similar concepts or processes may not be described in some embodiments.

1 is a schematic structural diagram of an electric locomotive auxiliary control device according to Embodiment 1 of the present invention. Referring to FIG. 1, the device includes: a motherboard 1 and at least one circuit sub-board 2, and the circuit sub-board 2 can be plugged and unplugged. Connected to the motherboard 1; the circuit board 2 includes at least one main control board 21, at least one signal input/output board 22, and at least one network board 23.

Optionally, the motherboard 1 can adopt a 3U-size standard board, and the electrical connector on the motherboard 1 is crimped with the motherboard 1 by an interference fit, which can improve the reliability of the electrical connection. The circuit board 2 is inserted into the panel of the motherboard 1, and the circuit board 2 can be removed from the front end of the motherboard 1. Each circuit board 2 is composed of a corresponding panel and a standard 3U function circuit board, so that it can be correspondingly inserted into the motherboard 1. Each circuit board 2 adopts a pluggable connection technology, and the panels of each circuit board 2 are self-locking. Handle, easy to insert and remove. The connector portion of each of the circuit sub-boards 2 and the motherboard 1 has an anti-interrupting member, and the mother board 1 is connected to each of the circuit sub-boards 2 by an anti-insertion connector, thereby preventing the circuit board 2 from being inserted incorrectly.

The main control board 21 in the circuit board 2 is used to respectively control different auxiliary power supply modules and/or charging modules in the auxiliary electrical system. Specifically, the electric locomotive uses at least one set of auxiliary reverse power supply modules to provide auxiliary power supply to the whole vehicle and at least one set of charging modules charge the electric locomotive battery pack, and, in order to prevent the locomotive from being normally operated due to the failure of the auxiliary power supply equipment, the auxiliary electric system Fault protection and redundancy are also set. Therefore, the main control board 21 needs to control different auxiliary power supply modules and/or charging modules in the auxiliary electrical system, that is, collect information such as auxiliary converters, auxiliary units, auxiliary equipment, and vehicle power supply equipment in the auxiliary electrical system. And comprehensive information to achieve the control and protection of auxiliary power supply and charging.

The signal input/output board 22 is for collecting an input signal from the auxiliary electric system, inputting the input signal to the main control board 21, and receiving an output signal returned by the main control board 21, and outputting the output signal to the auxiliary electric system. Specifically, the input signal may be status information, reset information, load distribution information, etc. of the auxiliary converter, the auxiliary unit, the auxiliary device, the on-board power supply device in the auxiliary electrical system, and may also be different auxiliary power supply modules. Or voltage, current signals, etc. of different charging modules. After the signal input/output board 22 inputs the collected input signal to the main control board 21, the main control board 21 performs corresponding processing on the input signal, and generates an output signal carrying the control command, and the main control board 21 passes again. The signal input/output board 22 outputs the output signal carrying the control command to the auxiliary electrical system to control the auxiliary electrical system to perform a corresponding action under the command of the output command.

The network board 23 is used to connect the main control board 21 and an external device to cause the main control board 21 to perform network communication with an external device. Specifically, the external device may include a host computer device such as a notebook computer, a personal computer, or a computer, and other devices that can perform network communication. For example, when it is required to display status information or current power supply and charging data of an electric locomotive auxiliary electrical system, the main control board 21 can be connected to an external device having an output display function through the network board 23 at this time, and the main control is performed. The board 21 and the device can realize output display of the electric locomotive auxiliary electrical system status information or current data by means of network communication. In addition, when the circuit board 2 includes two or more than two main control boards 21, the network board 23 can also implement Controller Area Network (CAN) communication between the main control boards 21. Of course, the network communication manner between the main control board 21 and the external device is not limited to the above-mentioned manners and the communication situation described above, and the main control board 21 can also implement network communication with other devices or other data based on the network board 23 with the external device. There are no restrictions here.

The electric locomotive auxiliary control device provided in this embodiment includes a motherboard and at least one circuit sub-board, and the circuit sub-board includes at least one main control board, at least one signal input/output board, and at least one network board; wherein the main control board can implement auxiliary The auxiliary auxiliary power supply module and/or the charging module in the electrical system are controlled; the input signal of the auxiliary electrical system is collected by the signal input and output board to the main control board, and the main control board correspondingly returns the output signal, and the signal input/output board outputs the signal. Output to the auxiliary electrical system to control the auxiliary electrical system, and the network board connects the main control board and the external device to realize network communication between the main control board and the external device. The electric locomotive auxiliary control device provided by the present application can collect various information of different auxiliary reverse power supply modules and/or charging modules in the auxiliary electrical system, process the information, generate corresponding instructions and return to the auxiliary electrical system to control the auxiliary. The electrical system is working properly.

On the basis of the above embodiments, an embodiment of the present invention provides an electric locomotive auxiliary control device. The circuit sub-board 2 of the auxiliary control device includes a first main control board and a second main control board, and the auxiliary electrical system includes two In the case of a group auxiliary power supply module and a charging module, the first main control board in the auxiliary control device is used to control the first auxiliary power supply module and/or the charging module in the auxiliary electrical system, and the second main The control board is used to control the second auxiliary power supply module in the auxiliary electrical system.

2 is a schematic structural diagram of a main control board of an auxiliary control device for an electric locomotive according to an embodiment of the present invention. Referring to FIG. 2, on the basis of any of the foregoing embodiments, each main control board 21 includes: The connector 211, the first motherboard connector 213, and the at least one first processor 212.

Specifically, the first external connector 211 is configured to connect the main control board 21 with an external device, and the first external connector 211 is provided with a connector for preventing the self-locking function of the self-locking function to prevent the external external connector 211 from being externally connected. The wrong insertion and the convenience of the first external connector 211 are locked.

The first processor 212 is configured to perform logic control and signal operation processing of the main control board 21. Optionally, the first processor 212 may include one or more of a dsp28335 chip, a Field-Programmable Gate Array (FPGA) chip, a FLASH chip, a temperature chip, and a time chip. Different chips correspond to different functions, and different signals can be collected correspondingly and the corresponding signals can be processed.

The first motherboard connector 213 is connected between the first processor 212 and the motherboard 1, and the first motherboard connector 213 also has an anti-interruption member, which is provided by the first motherboard connector 213 having an anti-interruption function. The motherboard 1 is connected to the main control board 21 to prevent the main control board 21 from being inserted into the wrong state. The first external connector 211 is connected to the first processor 212 and serves as a reserved external function interface of the first processor 212.

The main control board 21 can complete multi-channel analog signal acquisition through the cooperation between the first external connector 211, the first motherboard connector 213 and the at least one first processor 212, and correspondingly emit multi-channel pulse width modulation. (Pulse Width Modulation, referred to as PWM) wave; processing multiple Insulated Gate Bipolar Transistor (IGBT) fault feedback input signal, fault diagnosis, and corresponding processing; multi-channel digital signal input, The digital input signal is processed to form a multi-channel digital output signal and output.

Moreover, the main control board 21 also has a CAN interface, an RS232 interface and an RS485 interface, and can realize data communication with the CAN interface, the RS232, and the RS485 serial interface of the network board 23. The main control board 21 adopts embedded computer technology, has strong support capability for real-time and multi-tasking, can complete multiple tasks and has short terminal response time; the main control board 21 is also configured with a storage area and has a storage area diagnosis. Protection capability; the main control board 21 is equipped with a universal real-time operating system and ground drive software related to the microprocessor hardware, the system kernel, and the external drive interface of the device, and the resources of the main control board are open to the user, which is convenient for the user to implement. Application software development and application debugging.

In addition, the built-in resources of the main control board 21 can satisfy the system application software development database and data management functions, thereby enabling various parameter settings, fault records, process records, and data application through the supporting maintenance software. Moreover, based on the main control board 21, system fault measurement and analysis can also be performed. The main control board 21 has an embedded system self-detection function during power-on, has a fault diagnosis function of an operating system, and can perform necessary recording according to a management policy. Mode conversion; and, for fault feedback of this board and other boards, with simple analysis and determination and automatic transfer test mode for identification and confirmation.

For example, the main control board 21 according to an embodiment of the present invention can complete the following functions: 32 analog signal acquisition (including 4 temperature signals) control; 20 PWM waves are sent; 20 IGBT fault feedback inputs are processed, and Fault diagnosis; 24 digital input signal input, 14 digital output signal output; 2 CAN, 2 RS232 can realize data communication with CAN interface, RS232, RS485 serial interface of network board.

On the basis of the above-mentioned first embodiment, an embodiment of the present invention provides an electric locomotive auxiliary control device, wherein at least one signal input/output board 22 of the auxiliary control device includes: at least two digital signals for transmitting digital signals. Input and output boards and at least two analog signal input and output boards for transmitting analog signals.

Specifically, the digital signal input/output board is configured to collect the digital input signal, input the collected digital input signal to the main control board 21, and receive the digital output signal formed by the main control board 21, and the number is The quantity output signal is output to the corresponding external device; the analog signal input/output board is used for collecting the analog input signal, and inputting the collected analog input signal to the main control board 21, and receiving the pulse output formed by the main control board 21. The signal is output to the corresponding external device.

Further, at least one of the signal input and output boards 22 includes at least one digital signal input board and at least one digital signal output board.

FIG. 3 is a schematic structural diagram of a digital signal input board of an electric locomotive auxiliary control device according to an embodiment of the present invention. Referring to FIG. 3, on the basis of the above embodiment, the digital signal input board 221 includes The second external connector 2211, the second processing circuit 2212, and the second motherboard connector 2213.

Specifically, the second external connector 2211 is configured to connect the digital signal input board 221 to the external device, and the second external connector 2211 is configured to prevent the second external connection of the external connection. The device 2211 is inserted incorrectly and facilitates the locking of the second external connector 2211. And the second external connector 2211 is connected between the auxiliary electrical system and the second processing circuit 2212, and is also configured to transmit the digital input signal of the collected auxiliary electrical system to the second processing circuit 2212.

The second processing circuit 2212 includes a logic chip and/or an optocoupler chip; the logic chip is used for corresponding logic control of the digital signal input board 221, and the optocoupler chip is used for optocoupler isolation of the signal to prevent other signals from being collected. The interference of the digital input signal improves the signal-to-noise ratio of the digital input signal.

The second motherboard connector 2213 is connected between the digital signal input board 221 and the motherboard 1 for outputting a digital input signal to the main control board 21. Specifically, the second motherboard connector 2213 also has an anti-interruption member, and the mother board 1 is connected to the digital signal input board 221 through the second motherboard connector 2213 having an anti-interrupting function, thereby preventing digital signal input. The board 221 is inserted incorrectly.

For example, the digital signal input board 221 in an embodiment of the present invention can perform the following functions: 24 digital input signals can be input, wherein the digital input signals include a reset signal, an enable signal, and load feedback of the auxiliary electrical system. Signals, etc.

FIG. 4 is a schematic structural diagram of a digital signal output board of an electric locomotive auxiliary control device according to an embodiment of the present invention. Referring to FIG. 4, on the basis of the above embodiment, the digital signal output board 222 includes The third external connector 2221, the third processing circuit 2222, and the third motherboard connector 2223.

Specifically, the third external connector 2221 is configured to connect the digital signal output board 222 with an external device, and the third external connector 2221 also adopts a connector for preventing the insertion of the self-locking function to prevent the third external connection. The connector 2221 is inserted incorrectly and the third external connector 2221 is locked. And the third external connector 2221 is connected between the auxiliary electrical system and the third processing circuit 2222 for outputting the digital output signal returned by the main control board 21 to the auxiliary electrical system.

The third processing circuit 2222 can include a logic chip for performing logic control on the digital signal output board. Optionally, the third processing circuit 2222 can further include a relay, a metal-oxide semiconductor field effect transistor (Metal- Oxide-Semiconductor Field-Effect Transistor (MOSFET).

The third motherboard connector 2223 is connected between the digital signal output board 222 and the motherboard 1 for receiving the digital output signal returned by the main control board 21. Specifically, the third motherboard connector 2223 also has an anti-interruption member, and the mother board 1 is connected to the digital signal output board 222 through the third motherboard connector 2223 having an anti-interrupting function, thereby preventing digital signal output. The board 222 is inserted incorrectly.

For example, the digital signal output board 222 in an embodiment of the present invention can perform the following functions: 14 digital output signals can be output, wherein the digital output signal can include a main circuit switch signal and a load distribution signal of the auxiliary electrical system. Wait.

Further, at least one of the signal input and output boards 22 includes at least one analog quantity plate and at least one pulse plate.

FIG. 5 is a schematic structural diagram of an analog panel of an electric locomotive auxiliary control device according to an embodiment of the present invention. Referring to FIG. 5, on the basis of the above embodiment, the analog panel 223 includes a fourth external connector. 2231, a fourth processing circuit 2232, and a fourth motherboard connector 2233.

Specifically, the fourth external connector 2231 is configured to connect the analog board 223 with an external device, and the fourth external connector 2231 is configured with an anti-plug-in self-locking connector to prevent external wiring of the fourth external connector 2231. The wrong insertion and the convenience of the fourth external connector 2231 are locked. And the fourth external connector 2231 is connected between the auxiliary electrical system and the fourth processing circuit 2232 for transmitting the collected analog input signal of the auxiliary electrical system to the fourth processing circuit 2232.

The fourth processing circuit 2232 is a sampling chip and a signal conditioning circuit for performing acquisition of an analog input signal and converting the analog input signal into a digital signal. Optionally, the fourth processing circuit may further include a linear optocoupler and an operational amplifier, etc., for respectively isolating the collected analog input signals and amplifying the analog input signals.

The fourth motherboard connector 2233 is connected between the analog board 223 and the motherboard 1 for outputting an analog input signal to the main board 21. Specifically, the fourth motherboard connector 2233 also has an anti-interruption member, and the motherboard 1 and the analog panel 223 are connected by the fourth motherboard connector 2233 having an anti-interruption function, thereby preventing the analog panel 223 from being inserted incorrectly. .

For example, the auxiliary electrical system has two sets of auxiliary reverse power supply modules and a set of charging modules. In this case, three analog measuring plates 223 and two main control boards 21 are required, wherein the first analog quantity board can be used for collecting the first auxiliary Reverse the voltage and current signals of the power supply module, and input the analog input signal to the first main control board; the second analog quantity plate can be used to collect the analog voltage of the charging module, such as voltage and current signals. Input signal, and input the collected analog input signal to the first main control board; the third analog quantity plate can be used to collect analog input signals such as voltage and current signals of the second auxiliary reverse power supply module, and collect the The analog input signal is input to the second main control board.

FIG. 6 is a schematic structural diagram of a pulse board of an electric locomotive auxiliary control device according to an embodiment of the present invention. Referring to FIG. 6, on the basis of the above embodiment, the pulse board 224 includes: a fifth external connector 2241. The fifth processing circuit 2242 and the fifth motherboard connector 2243.

Specifically, the fifth external connector 2241 is configured to connect the pulse board to the external device, and the fifth external connector 2241 also adopts a connector for preventing the insertion of the self-locking function, so as to prevent the fifth external connector 2241 of the external wiring from being inserted. Wrong and convenient fifth external connector 2241 is locked. And the fifth external connector 2241 is connected between the auxiliary electrical system and the fifth processing circuit 2242 for outputting the pulse output signal returned by the main control board 21 to the power module in the auxiliary electrical system, and receiving the feedback of the power module feedback. signal.

The fifth processing circuit 2242 may include a logic chip and/or a level shifting driving chip, wherein the logic chip is used for performing logic control on the pulse board 224, and the level converting driving chip is used for level converting the pulse output signal, specifically The pulse output signal is driven to 24V so that it can be sent to the power module in the auxiliary electrical system. Optionally, the fifth processing circuit 2242 may further include an optocoupler for isolating the pulse output signal and the feedback signal fed back by the power module to prevent signal interference.

The fifth motherboard connector 2243 is connected between the pulse plate 224 and the first motherboard for receiving the pulse output signal returned by the 21 main control board and outputting the feedback signal to the main control board. Specifically, the fifth motherboard connector 2243 also has an anti-interruption member, and the mother board 1 is connected to the pulse board 224 by the fifth motherboard connector 2243 having an anti-interruption function, thereby preventing the pulse board 224 from being inserted.

Similarly, the auxiliary electrical system has two sets of auxiliary reverse power supply modules and a set of charging modules. In this case, three pulse plates 224 and two main control boards 21 are required, wherein the first pulse board can receive the output of the main control board 21 The first auxiliary power supply module PWM signal, and the PWM signal is driven to 15V, and sent to the power module of the first auxiliary power supply module. If the power module of the first auxiliary power supply module has a fault, the first auxiliary power supply The power module of the module feeds back the fault signal to the first pulse board, and the first pulse board inputs the fault signal to the main control board 21; the second pulse board can receive the PWM signal of the charging module output by the main control board 21, and the The PWM signal is driven to 15V and sent to the power module of the first auxiliary power supply module. If the power module of the first auxiliary power supply module has a fault, the power module of the first auxiliary power supply module feeds back the fault signal to the second pulse board. The second pulse board inputs the fault signal to the main control board 21; the third pulse board can receive the PWM signal of the second auxiliary power supply module outputted by the main control board 21, and drive the PWM signal to 15V, and send it to the first two If the power module of the second auxiliary power supply module has a fault, the power module of the second auxiliary power supply module feeds back the fault signal to the third pulse board, and the third pulse board inputs the fault signal. To the main control board 21.

FIG. 7 is a schematic structural diagram of a network board of an electric locomotive auxiliary control device according to an embodiment of the present invention. Referring to FIG. 7, on the basis of the first embodiment, the network board 23 includes at least one sixth connector 231, first. The power module 233 and the sixth processing circuit 232.

A sixth connector 231 is coupled between the auxiliary electrical system and the sixth processing circuit 232 to enable the network board 23 to be in network communication with the auxiliary electrical system.

The first power module 233 and the sixth connector 231 are connected to provide a DC isolated power to the sixth connector 231. Optionally, the first power module 233 can be a small power module of 15V to 5V, and can convert the 15V voltage supply on the network board 23 into a 5V voltage, thereby forming a DC isolation power supply.

The sixth processing circuit 232 includes a controller area network CAN interface chip and/or an RS485 isolation conversion chip for implementing CAN communication and/or RS485 communication between the network board 23 and the main control board 21 and/or external devices. Optionally, the network board 23 may include a CAN interface and/or an RS485 interface, and cooperate with the CAN interface chip and/or the RS485 isolation conversion chip to implement CAN communication between the network board 23 and the main control board 21 and/or external devices. / or RS485 communication.

FIG. 8 is a schematic structural diagram of an electric locomotive auxiliary control device according to Embodiment 2 of the present invention. Referring to FIG. 8 , on the basis of any of the above embodiments, the device further includes a control power board 24 and a power module power board 25 . .

Specifically, the control power board 24 is disposed on the motherboard 1, and the control power board 24 may include at least one power module for converting the input DC power to the power required for each of the circuit boards on the motherboard 1. For example, the power module can be a 110V to 15V power module for converting the input 110V power supply voltage to 15V to supply power to the circuit daughter board, and the 15V voltage can also be used as a power source for analog boards and relays. In addition, the circuit module also includes a 15V to 5V power module for converting the 15V voltage to 5V, thereby meeting the needs of each circuit daughter board.

The power module power board 25 includes at least one eighth output connector and an eighth power module.

Specifically, the eighth power module is configured to convert the input DC power into a power required by the power module in the auxiliary electrical system. Optionally, the eighth power module may be a 24V to 15V power module for using the 24V voltage. Converted to 15V voltage, and output the 15V voltage to the corresponding power module of the auxiliary electrical system through the eighth connector to provide 15V power supply voltage for the power module.

9 is a schematic structural diagram of an electric locomotive auxiliary control device according to a third embodiment of the present invention. Referring to FIG. 9, on the basis of any of the above embodiments, the device further includes an RS485 interface and a multi-function vehicle bus. Gateway board 26 for protocol conversion of the MVB interface.

Specifically, the gateway board 26 is connected between the motherboard 1 and the MVB interface device. The gateway board 26 can include a driver chip, a receiver chip, an external connector, and a motherboard connector. The external connector is used to implement the connection between the gateway board 26 and the external device, and its function and function are the same as those of the external connector of any of the above embodiments, and details are not described herein again. The motherboard connector is used to implement the connection between the gateway board 26 and the motherboard 1. The function and function of the motherboard connector are the same as those of the motherboard connector of any of the above embodiments, and details are not described herein.

Optionally, the gateway board 26 may further include an FPGA, a static random access memory (SRAM), and a dspVC33 chip, and form a gateway board together with the foregoing driving chip, the receiving chip, the external connector, and the motherboard connector. 26, realize the protocol conversion of RS485 and MVB, and then realize the network communication with the whole vehicle.

10 is a schematic diagram showing a circuit board connection relationship of an electric locomotive auxiliary control device according to Embodiment 4 of the present invention, and FIG. 11 is a board position of a circuit sub-board of an electric locomotive auxiliary control device according to Embodiment 4 of the present invention; FIG. 12 is a schematic diagram of a panel of an electric locomotive auxiliary control device according to a fourth embodiment of the present invention. Referring to FIG. 10, FIG. 11 and FIG. 12, the circuit sub-board of the electric locomotive auxiliary control device provided by the embodiment includes (Refer to FIG. 11, FIG. 11 is arranged from left to right in order): control power board 24, first pulse board 224a, second pulse board 224b, gateway board 26, first network board 23a, first main control board 21a, The first analog quantity plate 223a, the second analog quantity plate 223b, the first digital quantity signal input board 221a, the first digital quantity signal output board 222a, the third pulse board 224c, the second network board 23b, and the second main control board 21b The third analog quantity plate 223c, the second digital quantity signal input board 221b, the second digital quantity signal output board 222b, and the power module power supply board 25.

The above 17 circuit boards are pluggable and connected to the motherboard 1 and together with the motherboard 1 constitute the electric locomotive auxiliary control device of the embodiment, respectively collecting temperature sensors, voltage sensors, current sensors in the auxiliary electrical system, Input signals such as load distribution feedback, and input signals of the auxiliary inverse 1 power module (that is, the first auxiliary power supply module described above), the charging function power module, etc., and output load distribution and some switch control amount signals and the auxiliary reverse 1 Output control signals for power modules, charging function power modules, etc. P1 to P17 in FIG. 10 correspond to P1 to P17 in FIG. 11, which are the motherboard connectors of the respective daughter boards. The control power board 24, the gateway board 26, the first network board 23a, the second network board 23b, and the power module power board 25 are all 32-pin connectors, that is, P1, P4, P5, P12, and P17 in FIG. 10; The pulse plate 224a, the second pulse plate 224b, the first analog plate 223a, the second analog plate 223b, the first digital signal input plate 221a, the first digital signal output plate 222a, the third pulse plate 224c, and the third The analog plate 223c, the second digital signal input plate 221b and the second digital signal output plate 222b are 96-pin connectors, that is, P2, P3, P7, P8, P9, P10, P11, P14 in FIG. P15 and P16; the first main control board 21a and the second main control board 21b are both 220-pin connectors, that is, P6 and P13 in FIG.

Each of the circuit sub-boards is preferably a 48-pin connector externally, that is, the external connector in any of the above embodiments, see X2, X3, X9-X13, X17-X19 in FIG. 10; control power board 24 and power module power board 25 uses aerial plug X1, X20, X21; X4, X5 are MVB interfaces; X6 and X14 are CAN interfaces; X7 and X15 are RS485 or RS232 interfaces; X8 and X16 are DB25 connectors. The circuit sub-boards are all in the form of a 3U version. For the specific structure and function of each circuit sub-board, refer to the introduction of the circuit sub-board in any of the above embodiments, and no further details are provided in this part.

In addition, the entire unit is installed in a 4U standard chassis, which is made of stainless steel and meets EMC requirements.

The electric locomotive auxiliary control device provided by the above embodiment of the present application comprises a motherboard and a circuit sub-board, and the circuit sub-board comprises at least a main control board, a signal input/output board and a network board; wherein the main control board can realize different in the auxiliary electrical system The auxiliary power supply module and/or the charging module are controlled; the input signal of the auxiliary electrical system is collected by the signal input and output board to the main control board, and the main control board returns the output signal correspondingly, and the signal input/output board outputs the output signal to the auxiliary electrical system. To achieve control of the auxiliary electrical system. The electric locomotive auxiliary control device provided by the present application can collect various information of different auxiliary reverse power supply modules and/or charging modules in the auxiliary electrical system, process the information, generate corresponding instructions and return to the auxiliary electrical system to control the auxiliary. The electrical system is working properly.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims (10)

1. An electric locomotive auxiliary control device, comprising: a mother board and at least one circuit sub-board, wherein the circuit sub-board is pluggable and connected to the mother board;

   The circuit daughter board includes at least one main control board, at least one signal input/output board, and at least one network board;

   The main control board is configured to respectively control different auxiliary power supply modules and/or charging modules in the auxiliary electrical system; the signal input and output boards are configured to collect input signals from the auxiliary electrical system, and the Input signals are input to the main control board, and output signals returned by the main control board are received, and the output signals are output to the auxiliary electrical system; the network board is used to connect the main control board and the external And a device, configured to enable the main control board to perform network communication with the external device.
2. The apparatus according to claim 1, wherein said circuit sub-board comprises a first main control board and a second main control board, said first main control board being used for the first of said auxiliary electrical systems The auxiliary power supply module and/or the charging module are controlled, and the second main control board is configured to control the second auxiliary power supply module in the auxiliary electrical system.
3. The apparatus according to claim 1 or 2, wherein each of the main control boards comprises: a first external connector, a first motherboard connector, and at least one first processor;

   The first processor is configured to perform logic control and signal operation processing on the main control board;

   The first motherboard connector is connected between the first processor and the motherboard, and the first external connector is connected to the first processor and serves as a pre-processing of the first processor Leave the external function interface.
4. The apparatus according to claim 1 or 2, wherein said at least one signal input/output board comprises: at least two digital signal input/output boards for transmitting digital signals and at least two for transmitting analog quantities The analog signal input and output boards of the signal.
5. The apparatus according to claim 4, wherein said at least one signal input/output board comprises at least one digital signal input board and at least one digital signal output board;

   The digital signal input board includes a second external connector, a second processing circuit, and a second motherboard connector;

   The second external connector is connected between the auxiliary electrical system and the second processing circuit for transmitting the collected digital input signal of the auxiliary electrical system to the second processing circuit;

   The second processing circuit includes a logic chip and/or an optocoupler chip;

   The second motherboard connector is connected between the digital signal input board and the motherboard for outputting the digital input signal to the main control board;

   The digital signal output board includes a third external connector, a third processing circuit, and a third motherboard connector;

   The third external connector is connected between the auxiliary electrical system and the third processing circuit for outputting the digital output signal returned by the main control board to the auxiliary electrical system;

   The third processing circuit is configured to perform logic control of the digital signal output board;

   The third motherboard connector is connected between the digital signal output board and the motherboard for receiving the digital output signal returned by the main control board.
6. The apparatus according to claim 4, wherein said at least one signal input and output board comprises at least one analog quantity plate and at least one pulse plate;

   The analog quantity plate includes a fourth external connector, a fourth processing circuit, and a fourth motherboard connector;

   The fourth external connector is connected between the auxiliary electrical system and the fourth processing circuit, and configured to transmit the collected analog input signal of the auxiliary electrical system to the fourth processing circuit;

   The fourth processing circuit is a sampling chip and a signal conditioning circuit, configured to perform acquisition of the analog input signal and convert the analog input signal into a digital signal;

   The fourth motherboard connector is connected between the analog board and the motherboard for outputting the digital signal to the main board.
7. The device according to claim 6, wherein the pulse plate comprises: a fifth external connector, a fifth processing circuit, and a fifth motherboard connector;

   The fifth external connector is connected between the auxiliary electrical system and the fifth processing circuit for outputting a pulse output signal returned by the main control board to the power module in the auxiliary electrical system, and receiving the power Feedback signal fed back by the module;

   The fifth processing circuit includes a logic chip and/or a level shifting driving chip for performing logic control of the pulse board and/or level conversion of the pulse output signal;

   The fifth motherboard connector is connected between the pulse board and the motherboard for receiving the pulse output signal returned by the main control board, and outputting the feedback signal to the main control board .
8. The device according to claim 1 or 2, wherein the network board comprises at least one sixth connector, a first power module, and a sixth processing circuit;

   The sixth connector is connected between the auxiliary electrical system and the sixth processing circuit to enable the network board to perform network communication with the auxiliary electrical system;

   The first power module and the sixth connector are connected to provide a DC isolated power supply to the sixth connector;

   The sixth processing circuit includes a controller area network CAN interface chip and/or an RS485 isolation conversion chip.
9. The device according to claim 1 or 2, wherein the device further comprises a control power board and a power module power board;

   Wherein the control power board is disposed on the motherboard, and the control power board includes at least one power module for converting the input DC power to a power supply required by the daughter board on the motherboard;

   The power module power board includes at least one eighth output connector and an eighth power module; the eighth power module is configured to convert the input DC power to a power required by the power module in the auxiliary electrical system; The eighth output connector is configured to output power to the corresponding power module.
10. The device according to claim 1 or 2, wherein the device further comprises a gateway board for performing protocol conversion of the RS485 interface and the multi-function vehicle bus MVB interface, the gateway board being connected to the motherboard and Between MVB interface devices.

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