CN201897792U - Simulation AC electric locomotive - Google Patents
Simulation AC electric locomotive Download PDFInfo
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- CN201897792U CN201897792U CN2010205857225U CN201020585722U CN201897792U CN 201897792 U CN201897792 U CN 201897792U CN 2010205857225 U CN2010205857225 U CN 2010205857225U CN 201020585722 U CN201020585722 U CN 201020585722U CN 201897792 U CN201897792 U CN 201897792U
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Abstract
The utility model provides a simulation AC electric locomotive, which comprises a master processing module, a drivers' cab display module, a remote input-output module, a simulation traction control module, a simulation brake control module and a simulation auxiliary control module. The above modules are respectively connected with an MVB bus.The simulation AC electric locomotive also comprises a simulation hard wire circuit connected with the remote input-output module.The simulation AC electric locomotive can be widely used for the design and development of railway locomotives, subway trains and urban railway vehicles, which can also be used for the teaching in colleges.
Description
Technical field
The utility model relates to vehicle technology, relates in particular to a kind of emulation AC electric locomotive.
Background technology
The fast development of microelectric technique and large power semiconductor device has promoted to exchange developing by leaps and bounds of drive technology, along with the continuous development that exchanges drive technology, the DC Transmission electric locomotive will step down from the stage of history gradually, and AC transmission electric power locomotive will replace.
In China, electric locomotive adopts centralized control mode always, the i.e. collection of on-the-spot all signals all needs to be connected on the centralized control computing machine by rigid line with control, along with computer technology, development of internet technology, the network control technology has also obtained fast development, and locomotive control is also controlled from rigid line in the past and developed into network control mode gradually.Network control is because of there being its special advantages, as: be convenient to realize the microcomputer centralized control, be convenient to fault diagnosis etc., will in the locomotive control field, play important effect.The nineties in last century, external advanced TCN (TCN international standard) distributed network control technology begins to introduce China, and domestic electric locomotive simultaneously also begins to adopt successively TCN distributed network control technology to use,
Because the TCN network control system of China's independent research is in the blank stage always, in the performance history of AC transmission electric power locomotive, need the operation of design and simulation AC electric locomotive simulation real vehicle, various performances with test AC transmission electric power locomotive in emulation AC electric locomotive operational process, for the design of AC electric locomotive provides reliable basis, yet, the present emulation AC electric locomotive that also is not used in analog AC electric power locomotive operation.
The utility model content
The utility model provides a kind of emulation AC electric locomotive, in order to the operation of object simulating AC electric locomotive, thereby provides authentic data for the design of AC electric locomotive.
The utility model provides a kind of emulation AC electric locomotive, comprising: the main processing block, cab display module, long-range input/output module, emulation traction control module, emulation braking control module and the auxiliary control module of emulation that are connected to the MVB bus respectively; Also comprise the emulation hardware circuitry that is connected with described long-range input/output module;
Described main processing block is used to manage described MVB bus and each module in the described locomotive is controlled;
Described cab display module be used to receive and show the status information and the car load information of each module in the described locomotive that described main processing block sends by described MVB bus, and the instruction that the user is provided with sends to described main processing block;
Described emulation traction control module is used for the traction control information according to described main processing block transmission, and the traction convertor of described locomotive is simulated control;
Described emulation braking control module is used for the braking control information according to described main processing block transmission, and control is simulated in the braking of described locomotive;
Control module is assisted in emulation, is used for the current transformer control information according to described main processing block, and the AuCT of described locomotive is simulated control;
Described emulation hardware circuitry is used to simulate equipment operation between interior equipment operation of cab and simulation machinery;
Described long-range input/output module, the status information that is used for the described emulation hardware circuitry that will collect sends to described main processing block, and according to the control information that described main processing block sends described emulation hardware circuitry is controlled.
Each module is connected to form communication network by the MVB bus in the utility model emulation AC electric locomotive, has realized network type control, has overcome wiring complexity, fault number of drawbacks that centralized control mode exists.Main processing block, cab display module and length of run input/output module are for being arranged on the equipment in kind on the actual AC electric locomotive, and emulation traction control module, emulation braking control module and the auxiliary control module of emulation and emulation hardware circuitry are emulator.The performance that can test above-mentioned equipment in kind in the utility model emulation AC electric locomotive operational process, for example: bus management function, redundant handoff functionality and the car load control function etc. of test main processing block; The Presentation Function of test driver display module and input function etc. are tested the acquisition function of long-range input/output module and output function etc.Improved emulation AC electric locomotive reliability of operation, also provide foundation for the runnability of testing actual AC electric locomotive.By the dry run of present embodiment emulation AC electric locomotive, network parameter, optimization real vehicle design parameter in the time of can verifying the real vehicle operation are for designing and developing of actual AC electric locomotive provides reliable foundation.The utility model emulation AC electric locomotive can be widely used in railway locomotive, subway train, city railway vehicle etc. and design and develop link, also can be used for the college teaching field.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model emulation AC electric locomotive embodiment one;
Fig. 2 is the structural representation of the utility model emulation AC electric locomotive embodiment two;
Fig. 3 is the structural representation of the utility model emulation AC electric locomotive embodiment three;
Fig. 4 is the structural representation of the utility model emulation AC electric locomotive embodiment four;
Fig. 5 is the structural representation of the utility model emulation AC electric locomotive embodiment five;
Fig. 6 is the structural representation of the utility model emulation AC electric locomotive embodiment six.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Fig. 1 is the structural representation of the utility model emulation AC electric locomotive embodiment one.As shown in Figure 1, present embodiment emulation AC electric locomotive comprises: the main processing block 12, cab display module 14, long-range input/output module 15, emulation traction control module 16, emulation braking control module 17 and the auxiliary control module 18 of emulation that are connected to MVB bus 11 respectively.
Based on the MVB of distributed control (Multifunction Vehicle Bus is called for short MVB), have real-time and advantage such as reliability height.More than each module be connected to the MVB bus respectively, transmit and exchange message by the MVB bus, formed complete communication network.
Emulation traction control module 16 is used for the traction control information according to main processing block 12 transmissions, and the traction convertor of locomotive is simulated control.16 pairs of traction convertors of emulation traction control module are controlled, and then realize the control of moment, rotating speed etc. to traction electric machine.
Emulation braking control module 17 is used for the braking control information according to main processing block 12 transmissions, and control is simulated in the braking of locomotive.The braking of emulation braking control module 17 control car loads comprises brake cylinder pressure, train tube pressure, equalizing reservoir pressure and brake shoe pressure etc.
As shown in Figure 1, present embodiment emulation AC electric locomotive also comprises: emulation hardware circuitry 19; Emulation hardware circuitry 19 is connected with long-range input/output module 15, is used to simulate equipment operation between interior equipment operation of cab and simulation machinery.Emulation hardware circuitry 19 comprises equipment such as relay, key-lifting switch, controller, pilot lamp and key-lifting switch.
Long-range input/output module 15, the status information that is used for the emulation hardware circuitry that will collect sends to main processing block 12, and according to the control information that main processing block 12 sends emulation hardware circuitry 19 is controlled.
Each module is connected to form communication network by the MVB bus in the present embodiment emulation AC electric locomotive, has realized network type control, has overcome wiring complexity, fault number of drawbacks that centralized control mode exists.Main processing block 12, cab display module 14 and length of run input/output module 15 are for being arranged on the equipment in kind on the actual AC electric locomotive, and emulation traction control module 16, emulation braking control module 17 and the auxiliary control module 18 of emulation and emulation hardware circuitry 19 are emulator.The performance that can test above-mentioned equipment in kind in the present embodiment emulation AC electric locomotive operational process, for example: bus management function, redundant handoff functionality and the car load control function etc. of test main processing block; The Presentation Function of test driver display module and input function etc. are tested the acquisition function of long-range input/output module and output function etc.Improved emulation AC electric locomotive reliability of operation, also provide foundation for the runnability of testing actual AC electric locomotive.By the dry run of present embodiment emulation AC electric locomotive, network parameter, optimization real vehicle design parameter in the time of can verifying the real vehicle operation are for designing and developing of actual AC electric locomotive provides reliable foundation.Present embodiment emulation AC electric locomotive can be widely used in railway locomotive, subway train, city railway vehicle etc. and design and develop link, also can be used for the college teaching field.
Embodiment two
Fig. 2 is the structural representation of the utility model emulation AC electric locomotive embodiment two.As shown in Figure 2, on the basis of Fig. 1, emulation hardware circuitry 19 comprises: be arranged on the first emulation hardware circuitry 191 between machinery and be arranged on the second interior emulation hardware circuitry 192 of cab; Long-range input/output module 15 comprises: be arranged on input-output unit 154 and the cab input-output unit 155 that is arranged in the cab between the machinery between machinery.
The first emulation hardware circuitry 191 is used to simulate equipment operation between machinery.The second emulation hardware circuitry 192 is used to simulate equipment operation in the cab.
Input-output unit 154 is connected with the first emulation hardware circuitry 191 between machinery, the status information of the first emulation hardware circuitry 191 that is used for collecting sends to main processing block 12, and according to the control information that main processing block 12 sends the first emulation hardware circuitry 191 is controlled.
Cab input-output unit 155 is connected with the second emulation hardware circuitry 192, the status information of the second emulation hardware circuitry 192 that is used for collecting sends to main processing block 12, and according to the control information that main processing block 12 sends the second emulation hardware circuitry 192 is controlled.
Further, as shown in Figure 2, present embodiment also comprises the gateway device 110 that is connected to MVB bus 11, is used for connecting with a plurality of emulation AC electric locomotives, thereby realizes the heavily connection of a plurality of locomotives.
Be provided with first emulation hardware circuitry of equipment between simulation machinery and the second emulation hardware circuitry of simulation driver indoor equipment in this enforcement AC electric locomotive of falling emulation respectively, also be provided with first input-output unit and second input-output unit of gathering the first emulation hardware circuitry status information and the second emulation hardware circuitry status information respectively simultaneously.Thereby improved emulation AC electric locomotive reliability of operation, for real vehicle design provides effective foundation.
Embodiment three
Fig. 3 is the structural representation of the utility model emulation AC electric locomotive embodiment three.As shown in Figure 3, on the basis of Fig. 1, also comprise the standby processing module 13 that is connected to MVB bus 11.
In the present embodiment emulation AC electric locomotive.Main processing block and standby processing module are Redundancy Design, have improved emulation AC electric locomotive reliability of operation, also provide foundation for the runnability of testing actual AC electric locomotive.
Embodiment four
Fig. 4 is the structural representation of the utility model emulation AC electric locomotive embodiment four.As shown in Figure 4, on the basis of Fig. 3, cab display module 14 comprises: cab first display unit 141, cab second display unit 142 and the indicative control unit 143 that are connected to MVB bus 11 respectively.
Cab first display unit 141 and cab second display unit 142 are touch display screen.Under the normal condition, cab first display unit 141 is as display device, be used to show the status information and the car load information of each module of locomotive, cab second display unit 142 is as input equipment, receive the user by the touch manner setting instruction and send to main processing block 12, when main processing block 12 is in off working state, send to standby processing module 13.
When indicative control unit 143 determines that cab first display unit 141 is in off working state, the status information that main processing block 12 is sent is transmitted to cab second display unit 142 and shows, promptly cab second display unit 142 is not only as the display device of locomotive but also as the input equipment of locomotive.When indicative control unit 143 determines that cab second display unit 142 is in off working state, make cab first display unit 141 receive the instruction that the user is provided with, and the instruction that the user that cab first display unit 141 is received is provided with is transmitted to main processing block 12, and promptly cab second display unit 142 is not only as the input equipment of locomotive but also as the display device of locomotive.
Particularly, indicative control unit 143 can be the demonstration switch that is arranged in the cab.In the emulation AC electric locomotive operational process, when cab first display unit 141 was in fault, the user can be by the demonstration switch in the cab, the work that makes cab second display unit 142 take over cab first display unit 141.In addition, main processing block monitors cab first display unit 141 when being in off working state, and main processing block sends control information to indicative control unit 143 makes indicative control unit 143 that the status information that main processing block sends is transmitted to cab second display unit 142.Main processing block monitors cab second display unit 142 when being in off working state, receives the user that cabs first display unit 141 receives to indicative control unit 143 transmission control information notifying indicative control units 143 instruction is set.
Be provided with two display modules in this enforcement AC electric locomotive of falling emulation: cab first display unit 141 and cab second display unit 142 be Redundancy Design each other, under the control of indicative control unit 143 as the display device or the input equipment of locomotive, perhaps not only as input equipment but also as display device, thereby improved emulation AC electric locomotive reliability of operation, for real vehicle design provides effective foundation.
Embodiment five
Fig. 5 is the structural representation of the utility model emulation AC electric locomotive embodiment five.As shown in Figure 5, on the basis of Fig. 4, long-range input/output module 15 comprises first input-output unit 151, second input-output unit 152 and the input and output control unit 153. that is connected to the MVB bus respectively
First input-output unit 151 also is connected with emulation hardware circuitry 19 respectively with second input-output unit 152, is respectively applied for the status information of gathering emulation hardware circuitry 19.
Input and output control unit 153 is used for when determining that first input-output unit 151 is in running order, and the status information of the emulation hardware circuitry that first input-output unit 151 is collected sends to main processing block; When definite first input-output unit 151 was in off working state, the status information of the emulation hardware circuitry that second input-output unit 152 is collected sent to main processing block.
Particularly, first input-output unit 151 and second input-output unit 152 are simultaneously in running order, promptly gather the status information of emulation hardware circuitry 19 simultaneously.Under the normal condition, input and output control unit 153 is transmitted to main processing block 12 with the status information that first input-output unit 151 collects.When input and output control unit 153 determined that first input-output units 151 are in off working state, the status information of the emulation hardware circuitry that second input-output unit 152 is collected sent to main processing block.
This enforcement AC electric locomotive of falling emulation medium-long range input/output module is a Redundancy Design, comprise two first input-output unit and second input-output units that are used to gather the emulation hardware circuitry simultaneously, also be included in the input and output control unit that switches between first input-output unit and second input-output unit.When first input/output module is in off working state, input and output control unit is transmitted to main processing block with the status information that second input-output unit collects, thereby improved emulation AC electric locomotive reliability of operation, for real vehicle design provides effective foundation.
Embodiment six
Fig. 6 is the structural representation of the utility model emulation AC electric locomotive embodiment six.As shown in Figure 6, present embodiment emulation AC electric locomotive comprises three switch boards: cab I cabinet, cab II cabinet and system's cabinet, cab I cabinet and cab II cabinet are used for two cabs that emulation lays respectively at locomotive two.110V direct current supply mode is adopted in the power supply of each module.
The first display unit DDU11, the second display unit DDU12, the first input-output unit RIOM111 and the second input-output unit RIOM12 etc. that connect by the MVB bus are installed in cab 1 cabinet, the emulation hardware circuitry of equipment such as comprising controller, pilot lamp, relay and key-lifting switch also has been installed, in order to driver's indoor equipment of analog AC electric power locomotive in cabinet.
Wherein, the first display unit DDU11 and the second display unit DDU12 are Redundancy Design, generally, the first display unit DDU11 is as the display device in the cab cabinet, be used to show the status information and the car load information of locomotive inner module, the second display unit DDU12 is used to receive the instruction that the user is provided with as the input equipment in the cab cabinet, when one of them display unit was in off working state, another display unit substituted the function that two display units are promptly finished in its work.The first display unit DDU11 and the second display unit DDU12 can adopt 32 machines of operation embedded real-time operating system.
Wherein, the first input-output unit RIOM11 all is connected with the emulation hardware circuitry with the second input-output unit RIOM12, each other Redundancy Design.Under the normal condition, the first input-output unit RIOM11 and the second input-output unit RIOM12 all gather the status information of emulation hardware circuitry in the cab, by the first input-output unit RIOM11 status information that collects are sent on the MVB bus; Control by the control information of first input-output unit reception main processing block MPU1 (when main processing block is in off working state, replacing main processing block work) transmission and to emulation hardware circuitry in the cab simultaneously by standby processing module.Be in non-ly when in running order at first input-output unit, second input-output unit sends to the status information that collects on the MVB bus; Control by the control information of second input-output unit reception main processing block MPU1 and to the emulation hardware circuitry simultaneously.
The main processing block MPU1 that is connected to the MVB bus respectively, standby processing module MPU2, the 3rd input-output unit RIOM31, the 4th input-output unit RIOM32,4 emulation traction control module TCU, the auxiliary control module ACU of emulation and emulation braking control module BCU are installed in system's cabinet.In addition, the emulation hardware circuitry of equipment such as comprising controller, pilot lamp, relay and key-lifting switch also has been installed, in order to equipment between the machinery of analog AC electric power locomotive in cabinet.
Wherein, main processing block MPU1 and standby processing module MPU2 are Redundancy Design.Under the normal condition, main processing block MPU1 is used to manage MVB bus and each module operation of control.The duty of standby processing module MPU2 monitoring main processing block MPU1 monitoring main processing block MPU1 when being in off working state, replaces each module operation of main processing block MPU1 management MVB bus and control.Main processing block MPU1 and standby processing module MPU2 can adopt 32 machines of operation embedded real-time operating system.
Wherein, the 3rd input-output unit RIOM31 and the 4th input-output unit RIOM32 are Redundancy Design, and the principle of work and the first input-output unit RIOM11 and the second input-output unit RIOM12 are similar, repeat no more.
Auxiliary control module ACU of emulation traction control module TCU, emulation and emulation braking control module BCU carry out communication by MVB bus and main processing block MPU1 or standby processing module MPU2, can adopt 32 machines of operation embedded real-time operating system, emulation traction control respectively, auxiliary control and braking control.
The 3rd display unit DDU21, the 4th display unit DDU22, the 5th input-output unit RIOM21 and the 6th input-output unit RIOM22 etc. that are connected to the MVB bus respectively are installed in the cab II cabinet, the emulation hardware circuitry of equipment such as comprising controller, pilot lamp, relay and key-lifting switch also has been installed, in order to driver's indoor equipment of analog AC electric power locomotive in cabinet.
By the simulation run of present embodiment emulation AC electric locomotive, can verify network parameter, optimal design parameter,, the correctness that the stability of checking input-output unit, checking display unit show is for novel locomotive design provides reliable design data.Present embodiment emulation AC electric locomotive can be widely used in railway locomotive, subway train, city railway vehicle etc. and design and develop link, also can be used for the college teaching field.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of programmed instruction, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. emulation AC electric locomotive, it is characterized in that, comprising: MVB bus, main processing block, cab display module, long-range input/output module, emulation traction control module, emulation braking control module, the auxiliary control module of emulation and emulation hardware circuitry;
Described main processing block is connected with described MVB bus, described cab display module is connected with described MVB bus, described long-range input/output module is connected with described MVB bus, described emulation traction control module is connected with described MVB bus, described emulation braking control module is connected with described MVB bus, and the auxiliary control module of described emulation is connected with described MVB bus;
Described emulation hardware circuitry is connected with described long-range input/output module.
2. emulation AC electric locomotive according to claim 1 is characterized in that:
Described emulation hardware circuitry comprises: be arranged on the first emulation hardware circuitry between machinery and be arranged on the second interior emulation hardware circuitry of cab;
Described long-range input/output module comprises: be arranged on the first long-range input/output module between machinery and be arranged on the second interior long-range input/output module of cab;
The described first long-range input/output module is connected with the described first emulation hardware circuitry;
The described second long-range input/output module is connected with the described second emulation hardware circuitry.
3. emulation AC electric locomotive according to claim 1 is characterized in that, also comprises: the standby processing module that is connected to described MVB bus;
Described standby processing module is used to monitor the duty of described main processing block, manages described MVB bus when monitoring described main processing block fault and each module in the described locomotive is controlled.
4. according to claim 1 or 3 described emulation AC electric locomotives, it is characterized in that described cab display module comprises: cab first display unit, cab second display unit and the indicative control unit that are connected to described MVB bus respectively;
Described indicative control unit is used for when definite described cab first display unit is in running order, and the status information that described main processing block is sent is transmitted to described cab first display unit; When definite described cab first display unit was in malfunction, the status information that described main processing block is sent was transmitted to described cab second display unit and shows;
Described indicative control unit also is used for when definite described cab second display unit is in running order, and the user that described cab second display unit is received is provided with instruction and is transmitted to described main processing block; When definite described cab second display unit is in off working state, make described cab first display unit receive the user instruction is set, and the user instruction that described cab first display unit is received is transmitted to described main processing block.
5. emulation AC electric locomotive according to claim 4 is characterized in that, described long-range input/output module comprises: first input-output unit, second input-output unit and the input and output control unit that are connected to described MVB bus respectively;
Described first input-output unit also is connected with described emulation hardware circuitry respectively with described second input-output unit, is respectively applied for the status information of gathering described emulation hardware circuitry;
Described input and output control unit is used for when definite described first input-output unit is in running order, and the status information of the described emulation hardware circuitry that first input-output unit is collected sends to described main processing block; When definite described first input-output unit was in off working state, the status information of the described emulation hardware circuitry that second input-output unit is collected sent to described main processing block.
6. according to claim 1,2,3 or 5 described emulation AC electric locomotives, it is characterized in that, also comprise: be connected to the gateway device of described MVB bus, be used to connect a plurality of described locomotives.
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| CN2010205857225U CN201897792U (en) | 2010-10-25 | 2010-10-25 | Simulation AC electric locomotive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205857225U CN201897792U (en) | 2010-10-25 | 2010-10-25 | Simulation AC electric locomotive |
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| CN201897792U true CN201897792U (en) | 2011-07-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323761A (en) * | 2011-07-18 | 2012-01-18 | 铁道部运输局 | Semi-physical simulation testing platform of train control network |
| CN103199497A (en) * | 2012-01-06 | 2013-07-10 | 中国北车股份有限公司大连电力牵引研发中心 | Control circuit of locomotive converter |
| CN103308328A (en) * | 2013-07-08 | 2013-09-18 | 中国北车集团大同电力机车有限责任公司 | Test stand for locomotive testing |
| CN103312520A (en) * | 2012-09-29 | 2013-09-18 | 中国北车集团大连机车研究所有限公司 | Electric locomotive auxiliary control unit MVB (multifunction vehicle bus) network card |
-
2010
- 2010-10-25 CN CN2010205857225U patent/CN201897792U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323761A (en) * | 2011-07-18 | 2012-01-18 | 铁道部运输局 | Semi-physical simulation testing platform of train control network |
| CN102323761B (en) * | 2011-07-18 | 2013-03-27 | 铁道部运输局 | Semi-physical simulation testing platform of train control network |
| CN103199497A (en) * | 2012-01-06 | 2013-07-10 | 中国北车股份有限公司大连电力牵引研发中心 | Control circuit of locomotive converter |
| CN103199497B (en) * | 2012-01-06 | 2015-11-25 | 中国北车股份有限公司 | The control circuit of locomotive converter |
| CN103312520A (en) * | 2012-09-29 | 2013-09-18 | 中国北车集团大连机车研究所有限公司 | Electric locomotive auxiliary control unit MVB (multifunction vehicle bus) network card |
| CN103312520B (en) * | 2012-09-29 | 2016-08-17 | 中国北车集团大连机车研究所有限公司 | electric locomotive auxiliary control unit MVB network card |
| CN103308328A (en) * | 2013-07-08 | 2013-09-18 | 中国北车集团大同电力机车有限责任公司 | Test stand for locomotive testing |
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