CN105620497A - Electric locomotive traction control unit - Google Patents
Electric locomotive traction control unit Download PDFInfo
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- CN105620497A CN105620497A CN201410713208.8A CN201410713208A CN105620497A CN 105620497 A CN105620497 A CN 105620497A CN 201410713208 A CN201410713208 A CN 201410713208A CN 105620497 A CN105620497 A CN 105620497A
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- control unit
- circuit board
- ethernet
- traction control
- electronic circuit
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Abstract
The invention provides an electric locomotive traction control unit. The electric locomotive traction control unit comprises an Ethernet switch board and at least one sub-circuit board. The Ethernet switch board is connected with all the sub-circuit boards through a backboard Ethernet bus in a case. The Ethernet switch board is provided with an Ethernet interface and internally comprises a microprogrammed control unit (MCU). The MCU receives control instructions through the Ethernet interface and controls all the sub-circuit boards according to the control instructions. The Ethernet switch board with a swapping control function is arranged in the traction control unit and in bus connection with all the sub-circuit boards through the backboard Ethernet bus in the case without externally arranging an Ethernet switch, so that the cost is greatly reduced and the occupied space is reduced. In addition, control of the Ethernet switch board over all the sub-circuit boards can be achieved only through the Ethernet interface arranged on the Ethernet switch board, and simplicity and convenience are achieved.
Description
Technical field
The present invention relates to power vehicle technical field, particularly relate to a kind of electric locomotive traction control unit.
Background technology
Along with developing rapidly of traffic transport industry, the needing of electric locomotive is also continuously increased. Traction control unit is as the core component of electric locomotive electric drive system, it realizes the control to commutator, traction invertor etc. by microcontroller and interlock circuit, and is capable of each electronic circuit in traction telex system is carried out the functions such as single-point download program, fault message download, single-point maintenance.
At present, each electronic circuit board card that a kind of method of comparatively ripe above-mentioned functions realizing traction control unit is electric locomotive traction control unit is connected on the Ethernet switch outside traction control unit respectively through Ethernet interfaces such as each self-corresponding RJ45 or M12, can realize the functional requirement such as the single-point program to electronic circuit board card each in traction control unit and fault message download, Single Point of Faliure information and procedural information storage, single-point maintenance by Ethernet switch.
In such scheme, Ethernet switch is placed in outside traction control unit, is arranged on a certain position of converter cabinet. Each sub-circuit board card board of traction control unit is required for being connected on the Ethernet switch outside traction control unit with interfaces such as each self-corresponding RJ45 or M12, in practical application, not only to consider the Ethernet switch concrete installation site in converter cabinet, it is also contemplated that the wiring in converter cabinet, not only add equipment cost, also occupying bigger locus, wiring is complicated, use inconvenience.
Summary of the invention
For above-mentioned Problems existing, the present invention provides a kind of electric locomotive traction control unit, in order to overcome existing wiring complexity, the cost height being connected in the technical scheme on the Ethernet switch of outside by an each corresponding Ethernet interface by each sub-circuit board card and causing, and awkward defect.
The invention provides a kind of electric locomotive traction control unit, described traction control unit is installed in traction control unit cabinet, and described traction control unit includes:
Ethernet switch board, and at least one electronic circuit board, described Ethernet switch board and described sub-circuit board card are connected by the backboard industry ethernet in described cabinet;
Described Ethernet switch board is provided with an Ethernet interface, described Ethernet switch board includes microcontroller, described MCU receives control instruction by described Ethernet interface, and according to described control instruction, described sub-circuit board card is controlled.
Further, having programmable chip in each electronic circuit board at least one electronic circuit board described, each described programmable chip is provided with chip address in advance.
Specifically, described control instruction includes download program instruction, and described download program instruction includes the to be downloaded program corresponding respectively with described each electronic circuit board;
Described MCU is specifically for after receiving described download program instruction by described Ethernet interface, and the chip address corresponding according to resolving each described program to be downloaded obtained, by each described download program to be downloaded to corresponding electronic circuit board.
Specifically, described control instruction also includes debugging instruction, and described debugging instruction includes the chip address of the programmable chip in electronic circuit board to be debugged;
Described MCU specifically for after receiving described debugging instruction by described Ethernet interface, the chip address according to the programmable chip resolved in the electronic circuit board described to be debugged obtained, described sub-circuit board card to be debugged is carried out debugging control.
Further, described Ethernet switch board also includes central processor CPU, Ethernet chip and memorizer;
Described CPU is connected with described Ethernet chip and described memorizer respectively, and described Ethernet chip is connected with described MCU;
Described MCU is additionally operable to receive the operation information of described each electronic circuit board, and by described Ethernet chip, described operation information is sent to described CPU;
Described CPU is for being stored in described memorizer by described operation information, and wherein, described operation information includes operation troubles information.
Further, described traction control unit also includes the multiple network transformers being connected with described MCU;
Described MCU is connected with described Ethernet interface by the first network transformator in the plurality of network transformer;
Described MCU is connected with described Ethernet chip by the second network transformer in the plurality of network transformer;
Described MCU is connected by network transformer corresponding with each described electronic circuit board respectively in the plurality of network transformer is corresponding with each described electronic circuit board.
Further, each described electronic circuit board also includes the network transformer that the programmable chip with self is connected.
Specifically, described Ethernet interface includes any one in lower interface:
RJ45 interface, M12 interface.
Specifically, described electronic circuit board includes at least one in following board:
CPU board card, signal board, digital signal input and output DI/DO board.
Electric locomotive traction control unit provided by the invention, including Ethernet switch board, and at least one electronic circuit board, described Ethernet switch board and described sub-circuit board card are connected by the backboard industry ethernet in described cabinet; Described Ethernet switch board is provided with an Ethernet interface, described Ethernet switch board includes microcontroller, described MCU receives control instruction by described Ethernet interface, and according to described control instruction, described sub-circuit board card is controlled. By arranging the Ethernet switch board with exchange control function in traction control unit, and make all electronic circuit boards comprised in traction control unit and this Ethernet switch board carry out bus connection by the backboard industry ethernet in cabinet, without peripheral hardware Ethernet switch, thus greatly reducing cost and saving and take up room; Additionally, by the Ethernet interface arranged on Ethernet switch board, and connect the backboard industry ethernet of all boards in traction control unit and just can realize by the control to each electronic circuit board of the Ethernet switch board, it is achieved simple and convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric locomotive traction control unit embodiment one of the present invention;
Fig. 2 is the schematic block diagram that core bus of the present invention connects embodiment;
Fig. 3 is the structural representation of electric locomotive traction control unit embodiment two of the present invention.
Detailed description of the invention
Fig. 1 is the structural representation of electric locomotive traction control unit embodiment one of the present invention, as it is shown in figure 1, this electric locomotive traction control unit being installed in traction control unit cabinet includes:
Ethernet switch board 1, and at least one electronic circuit board.
For example, described electronic circuit board includes at least one in following board: CPU board card 2, signal board 3, digital signal input and output DI/DO board 4. It is understood that above-mentioned several electronic circuit board is merely illustrative of, it is not limited in this citing the electronic circuit board comprised.
Described Ethernet switch board 1 and described electronic circuit board such as CPU board card 2, signal board 3, DI/DO board 4 are connected by the backboard industry ethernet in described cabinet. The connected mode of backboard industry ethernet schematically illustrating as shown in Figure 2.
What deserves to be explained is, the Ethernet switch board 1 arranged in traction control unit has the function suitable with Ethernet switch, it is possible to achieve the functions such as data exchange, each sub-circuit board card comprised in traction control unit is controlled, data storage. Ethernet switch board 1 and each electronic circuit board are respectively welded on cabinet motherboard.
In order to realize the control of each electronic circuit board in traction control unit, described Ethernet switch board 1 is provided with an Ethernet interface 11, described Ethernet switch board 1 includes microcontroller 12, described MCU12 receives control instruction by described Ethernet interface 11, and according to described control instruction, described sub-circuit board card is controlled.
Wherein, described Ethernet interface 11 includes any one in lower interface: RJ45 interface, M12 interface.
Individually below each sub-circuit board card is carried out single-point download program by Ethernet switch board 1, single-point is safeguarded and is described in detail. Wherein, so-called single-point can simply be interpreted as the control respectively to each electronic circuit board.
First, what deserves to be explained is, in the present embodiment, MCU12 in Ethernet switch board 1 carries out the coding of chip address in advance for its each sub-circuit board card that can control, namely each electronic circuit board has programmable chip, the programmable chip of each electronic circuit board is carried out the definition of chip address by MCU12, so as to realize the addressing to each electronic circuit board.
For example, the programmable chip in CPU board card 2 be DSP, signal board 3 the programmable chip that programmable chip is FPGA, DI/DO board 4 be ARM, this DSP, FPGA and ARM have been preconfigured chip address.
For single-point download program. Now, the control instruction that MCU12 is received by Ethernet interface 11 is download program instruction, and described download program instruction includes the to be downloaded program package corresponding respectively with described each electronic circuit board. Specifically, this bag that downloads includes the program to CPU board card 2, signal board 3 and DI/DO board 4 to be downloaded, these programs are packaged into a program package, in this program package except comprising each contents of program above-mentioned, also comprise the chip address information of programmable chip in the electronic circuit board that each program to be downloaded to.
Thus, MCU12 is after receiving this download program instruction by described Ethernet interface 11, resolve and obtain each program to be downloaded, and the chip address that each program to be downloaded is corresponding, and then according to resolving the program each to be downloaded that obtains corresponding chip address, by each download program to be downloaded to corresponding electronic circuit board.
Single-point debugging process it is primarily related to for single-point in safeguarding. Now, the control instruction that MCU12 is received by Ethernet interface 11 is debugging instruction, and described debugging instruction includes the chip address of the programmable chip in electronic circuit board to be debugged. Assume that this debugging instruction is to indicate respectively CPU board card 2, signal board 3 and DI/DO board 4 to be carried out parameter configuration, thus, this debugging instruction also includes the parameter configuration corresponding respectively with CPU board card 2, signal board 3 and DI/DO board 4.
Now, MCU12 is after receiving this debugging instruction by described Ethernet interface 11, chip address according to the programmable chip resolved in each electronic circuit board to be debugged obtained, carries out debugging control to each sub-circuit board card to be debugged, namely carries out the configuration according to parameter configuration respectively.
In the present embodiment, by arranging the Ethernet switch board with exchange control function in traction control unit, and make all electronic circuit boards comprised in traction control unit and this Ethernet switch board carry out bus connection by the backboard industry ethernet in cabinet, without peripheral hardware Ethernet switch, thus greatly reducing cost and saving and take up room; Additionally, by the Ethernet interface arranged on Ethernet switch board, and connect the backboard industry ethernet of all boards in traction control unit and just can realize by the control to each electronic circuit board of the Ethernet switch board, it is achieved simple and convenient.
Fig. 3 is the structural representation of electric locomotive traction control unit embodiment two of the present invention, as it is shown on figure 3, on the basis of embodiment illustrated in fig. 1, also include central processor CPU 13, Ethernet chip 14 and memorizer 15 in described Ethernet switch board 1;
Described CPU13 is connected with described Ethernet chip 14 and described memorizer 15 respectively, and described Ethernet chip 14 is connected with described MCU12.
In the present embodiment, so that the operation information produced in each electronic circuit board running is stored as example, this Ethernet switch board 1 is additionally provided with central processor CPU 13, Ethernet chip 14 and memorizer 15. Wherein, memorizer 15 can include high-capacity FLASH as shown in Figure 3 and the RAM extended out.
Specifically, MCU12 is additionally operable to receive the operation information of such as CPU board card 2, signal board 3 and DI/DO board 4, and the operation information of CPU board card 2, signal board 3 and DI/DO board 4 is sent respectively to described CPU13 by described Ethernet chip 14 so that these operation informations are stored in described memorizer 15 by CPU13. Wherein, described operation information includes operation troubles information, in order to realize the storage of the operation troubles information to each electronic circuit board.
Further, described traction control unit also includes the multiple network transformers being connected with described MCU12, as shown in Figure 3.
Specifically, MCU12 is connected with described Ethernet interface 11 by the network transformer a in the plurality of network transformer;
MCU12 is connected with described Ethernet chip 14 by the network transformer b in the plurality of network transformer;
MCU12 by network transformer corresponding with each electronic circuit board respectively in the plurality of network transformer such as network transformer c, network transformer d, network transformer e is corresponding with each electronic circuit board is connected.
Accordingly, also including, in each electronic circuit board, the network transformer that the programmable chip with self is connected, such as CPU board card 2, signal board 3 and DI/DO board 4 are respectively with network transformer f, network transformer g, network transformer h are corresponding connects.
Above-mentioned multiple network transformer is as the different isolating transformers connected between chip, device, and its effect includes: enhancing signal so that it is transmission range is farther, such as the control signal received from Ethernet interface 11 is strengthened; Making die terminals and external isolation, capacity of resisting disturbance is greatly enhanced; When receiving the network interface of varying level, device each other will not be impacted. Such as MCU is when the sub-circuit board card that each is different is controlled; according to the different electronic circuit board different requirements to signal level; corresponding signal level is made corresponding change by the network transformer adaptively corresponding with different electronic circuit boards, safe and reliable with the device protecting each electronic circuit board and Ethernet switch board.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit; Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. an electric locomotive traction control unit, described traction control unit is installed in traction control unit cabinet, it is characterised in that described traction control unit includes:
Ethernet switch board, and at least one electronic circuit board, described Ethernet switch board and described sub-circuit board card are connected by the backboard industry ethernet in described cabinet;
Described Ethernet switch board is provided with an Ethernet interface, described Ethernet switch board includes microcontroller, described MCU receives control instruction by described Ethernet interface, and according to described control instruction, described sub-circuit board card is controlled.
2. traction control unit according to claim 1, it is characterised in that having programmable chip in each electronic circuit board at least one electronic circuit board described, each described programmable chip is provided with chip address in advance.
3. traction control unit according to claim 2, it is characterised in that described control instruction includes download program instruction, described download program instruction includes the to be downloaded program corresponding respectively with described each electronic circuit board;
Described MCU is specifically for after receiving described download program instruction by described Ethernet interface, and the chip address corresponding according to resolving each described program to be downloaded obtained, by each described download program to be downloaded to corresponding electronic circuit board.
4. traction control unit according to claim 2, it is characterised in that described control instruction also includes debugging instruction, and described debugging instruction includes the chip address of the programmable chip in electronic circuit board to be debugged;
Described MCU specifically for after receiving described debugging instruction by described Ethernet interface, the chip address according to the programmable chip resolved in the electronic circuit board described to be debugged obtained, described sub-circuit board card to be debugged is carried out debugging control.
5. traction control unit according to claim 2, it is characterised in that also include central processor CPU, Ethernet chip and memorizer in described Ethernet switch board;
Described CPU is connected with described Ethernet chip and described memorizer respectively, and described Ethernet chip is connected with described MCU;
Described MCU is additionally operable to receive the operation information of described each electronic circuit board, and by described Ethernet chip, described operation information is sent to described CPU;
Described CPU is for being stored in described memorizer by described operation information, and wherein, described operation information includes operation troubles information.
6. traction control unit according to claim 5, it is characterised in that also include the multiple network transformers being connected with described MCU in described traction control unit;
Described MCU is connected with described Ethernet interface by the first network transformator in the plurality of network transformer;
Described MCU is connected with described Ethernet chip by the second network transformer in the plurality of network transformer;
Described MCU is connected by network transformer corresponding with each described electronic circuit board respectively in the plurality of network transformer is corresponding with each described electronic circuit board.
7. traction control unit according to any one of claim 1 to 6, it is characterised in that also include, in each described electronic circuit board, the network transformer that the programmable chip with self is connected.
8. traction control unit according to any one of claim 1 to 6, it is characterised in that described Ethernet interface includes any one in lower interface:
RJ45 interface, M12 interface.
9. traction control unit according to any one of claim 1 to 6, it is characterised in that described electronic circuit board includes at least one in following board:
CPU board card, signal board, digital signal input and output DI/DO board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713208.8A CN105620497B (en) | 2014-11-28 | 2014-11-28 | Electric locomotive traction control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713208.8A CN105620497B (en) | 2014-11-28 | 2014-11-28 | Electric locomotive traction control unit |
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| Publication Number | Publication Date |
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| CN105620497A true CN105620497A (en) | 2016-06-01 |
| CN105620497B CN105620497B (en) | 2017-11-24 |
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| CN201410713208.8A Active CN105620497B (en) | 2014-11-28 | 2014-11-28 | Electric locomotive traction control unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108181861A (en) * | 2018-03-19 | 2018-06-19 | 浙江国自机器人技术有限公司 | A kind of control system |
| CN110658758A (en) * | 2019-09-23 | 2020-01-07 | 北京中科晶上科技股份有限公司 | Control method and control system |
| CN112298280A (en) * | 2020-10-20 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Locomotive reconnection method and system and locomotive |
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| CN204323342U (en) * | 2014-11-28 | 2015-05-13 | 北车大连电力牵引研发中心有限公司 | Electric locomotive traction control unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108181861A (en) * | 2018-03-19 | 2018-06-19 | 浙江国自机器人技术有限公司 | A kind of control system |
| CN110658758A (en) * | 2019-09-23 | 2020-01-07 | 北京中科晶上科技股份有限公司 | Control method and control system |
| CN112298280A (en) * | 2020-10-20 | 2021-02-02 | 中车青岛四方机车车辆股份有限公司 | Locomotive reconnection method and system and locomotive |
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| Publication number | Publication date |
|---|---|
| CN105620497B (en) | 2017-11-24 |
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