CN104717114A - MVB interface board card - Google Patents
MVB interface board card Download PDFInfo
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- CN104717114A CN104717114A CN201310702958.0A CN201310702958A CN104717114A CN 104717114 A CN104717114 A CN 104717114A CN 201310702958 A CN201310702958 A CN 201310702958A CN 104717114 A CN104717114 A CN 104717114A
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Abstract
The invention provides an MVB interface board card which comprises a single-layer board, a MVB interface, an MVB master control board card interface, a serial communication interface and a network interface. The MVB interface, the MVB master control board card interface, the serial communication interface and the network interface are formed in the single-layer board, the MVB interface is used for being inserted in a vehicle control unit, the MVB master control board card interface is used for being inserted in an MVB master control board card, and the serial communication interface is used for being inserted in a tested device; the MVB interface, the serial communication interface and the network interface are all connected with corresponding pins of the MVB master control board card interface. By the adoption of the MVB interface board card, the problem that an existing MVB interface board card is low in reliability is solved, and the stability of the MVB communication process is improved.
Description
Technical field
The present invention relates to circuit engineering, particularly relate to a kind of MVB interface board.
Background technology
Along with the development of field bus technique, the process control methods of rail vehicle develops into network dcs from the direct digital control system of original concentrated.The train net of rail vehicle and vehicle net adopt wired train bus (Wire Train Bus is called for short WTB) and multifunction vehicle bus (Multifunction Vehicle Bus is called for short MVB) two kinds of communication modes to communicate respectively.Wherein, MVB master control board card is as the master controller of MVB communication mode, and its effect to be positioned at same vehicle, or the standard device in different vehicle is connected to train net, carries out transfer of data by MVB communication mode.
MVB master control board card is connected by MVB interface board card with each equipment in vehicle, MVB interface board is connected with each plug of MVB master control board card on the one hand, be connected by various interface with each equipment in vehicle on the other hand, carry out data interaction to make MVB master control board card and each equipment.
Existing MVB interface board is bilayer stack structure, its structure is more complicated, needing between doubling plate, multiple connector is set and realizes connection, and carry out connection by connector and often can occur that joint looseness causes the phenomenon of loose contact, make the reliability of MVB interface board lower, and then cause MVB communication process more unstable.
Summary of the invention
The invention provides a kind of MVB interface board, the problem that the reliability for solving existing MVB interface board is lower, to improve the stability of MVB communication process.
The embodiment of the present invention provides a kind of MVB interface board, comprising: a lamina and be arranged on described lamina for the double-unit traction controller interface with control unit for vehicle grafting, for the MVB master control board card interface with the grafting of MVB master control board card, for the serial communication interface and network interface with testing equipment grafting;
Described MVB interface, serial communication interface and network interface are all connected with the corresponding pin of described MVB master control board card interface.
MVB interface board as above, described MVB master control board card interface comprises the first interface, the second interface and the 3rd interface that are separated and arrange;
Described first interface is connected with the corresponding pin of described MVB interface;
Described second interface is connected with the corresponding pin of described serial communication interface;
Described 3rd interface is connected with the corresponding pin of described network interface.
MVB interface board as above, described lamina is also provided with universal serial bus USB interface;
Described MVB master control board card interface also comprises the 4th interface;
Described 4th interface is connected with the corresponding pin of described USB interface.
MVB interface board as above, described lamina is also provided with for the video graphics array USB interface with video equipment grafting;
Described MVB master control board card interface also comprises the 5th interface;
Described 5th interface is connected with the corresponding pin of described USB interface.
MVB interface board as above, described lamina is also provided with for the memory card interface with storage card grafting;
Described MVB master control board card interface also comprises the 6th interface;
Described 6th interface is connected with the corresponding pin of described memory card interface.
MVB interface board as above, described serial communication interface comprises: RS232 interface and/or RS485 interface, and described RS232 interface and/or RS485 interface are connected through the corresponding pin of the first plug connector with described second interface.
MVB interface board as above, described lamina is also provided with toggle switch;
Described MVB master control board card interface also comprises the 7th interface;
Described 7th interface is corresponding with the output pin of described toggle switch to be connected.
MVB interface board as above, described lamina is also provided with the drive circuit of indicator light and described indicator light;
Described MVB master control board card interface also comprises the 8th interface;
Described 8th interface is connected with the corresponding pin of described drive circuit.
The MVB interface board that the embodiment of the present invention provides, by being all arranged on a lamina by above-mentioned interface, both can save the quantity of plug connector, can simplify connection again.Adopt technique scheme two planks directly can be plugged on corresponding interface, the mode of direct connection is compared compared to adopting the connected mode of plug connector, the firm plug degree of its plank wants high a lot, existing MVB interface board can be solved and often occur loose contact and the problem causing reliability lower, improve the stability of MVB communication process.
Accompanying drawing explanation
The structural representation of the MVB interface board that Fig. 1 provides for the embodiment of the present invention;
The structural representation of first interface and MVB interface in the MVB interface board that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the second interface and serial communication interface in the MVB interface board that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the 3rd interface and network interface in the MVB interface board that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the 4th interface and USB interface in the MVB interface board that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the 5th interface and USB interface in the MVB interface board that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the 6th interface and memory card interface in the MVB interface board that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the 7th interface and toggle switch in the MVB interface board that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the 8th interface and drive circuit in the MVB interface board that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the 9th interface and input equipment interface in the MVB interface board that Figure 10 provides for the embodiment of the present invention;
Figure 11 is the structural representation of the tenth interface in the MVB interface board that provides for the embodiment of the present invention.
Embodiment
The structural representation of the MVB interface board that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the MVB interface board that the present embodiment provides can comprise: a lamina 1 and be arranged on lamina 1 for the double-unit traction controller interface 2 with control unit for vehicle grafting, for the MVB master control board card interface 3 with the grafting of MVB master control board card, for the serial communication interface 4 and network interface 5 with testing equipment grafting.MVB interface 2, serial communication interface 4 and network interface 5 are all connected with the corresponding pin of MVB master control board card interface 3.
Wherein, MVB interface 2 is the links for grafting control unit for vehicle, control unit for vehicle can comprise central control unit and traction control unit, each control unit all has the corresponding connectivity port for connecting to MVB master control board card, is plugged on MVB interface 2 connectivity port of each control unit.And inner at MVB interface board, MVB interface 2 is connected with the corresponding pin of MVB master control board card interface 3, when MVB master control board card is plugged on MVB master control board card interface 3, then can realize the connection of central control unit and traction control unit and MVB master control board card.
Serial communication interface 4 is for being connected with computer in the process of developing MVB communication process and debugging, and MVB communication control program downloads in MVB master control board card by computer by technical staff, to debug MVB Control on Communication.Adopt a null modem cable, one end is connected to the serial communication interface of computer, and the other end is plugged on serial communication interface 4.And inner at MVB interface board, serial communication interface 4 is connected with the corresponding pin of MVB master control board card interface 3, when MVB master control board card is plugged on MVB master control board card interface 3, then can realize the connection of computer and MVB master control board card.
Network interface 5 for being connected with the network switching equipment, so that MVB master control board card is connected in Ethernet.Specifically can adopt ethernet communication line, its one end is connected with the network switching equipment, and the other end is plugged on network interface 5.And inner at MVB interface board, network interface 5 is connected with the corresponding pin of MVB master control board card interface 3, when MVB master control board card is plugged on MVB master control board card interface 3, then can realizes MVB master control board card and be connected to Ethernet.
Above-mentioned interface is all arranged on a lamina, both can saves the quantity of plug connector, can connection be simplified again.Adopt technique scheme two planks directly can be plugged on corresponding interface, the mode of direct connection is compared compared to adopting the connected mode of plug connector, the firm plug degree of its plank wants high a lot, existing MVB interface board can be solved and often occur loose contact and the problem causing reliability lower, improve the stability of MVB communication process.
On the basis of technique scheme, interface due to MVB master control borad has a lot, therefore, MVB master control board card interface 3 can comprise first interface 31, second interface 32 and the 3rd interface 33 that are separated and arrange, MVB master control board card can adopt winding displacement pick out the link be separated from each other, correspondence is plugged on first interface 31, second interface 32 and the 3rd interface 33 respectively.
The structural representation of first interface and MVB interface in the MVB interface board that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, inner at MVB interface board, first interface 31 is connected with the corresponding pin of MVB interface 2, in fig. 2, first interface 31 comprises port P6 and port P7, MVB interface 2 comprises port J4A and port J4B, wherein, port P6 and the port J4A pin knowing same text of getting the bid is corresponding connection, and 1 pin of such as port J4A is connected with 1 pin of port J4A.In addition, port P6 is used for and the corresponding link grafting of MVB master control board card, the link grafting that port J4A is corresponding to central control unit, and port P6 and port J4A corresponding connects and then achieve MVB master control board card and be connected with central control unit.Fig. 2 additionally provides the structure of another group port P7 and port J4B, is be connected with traction control unit for realizing MVB master control board card.
The structural representation of the second interface and serial communication interface in the MVB interface board that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, inner at MVB interface board, the second interface 32 is connected with the corresponding pin of serial communication interface 4.Serial communication interface 4 can comprise RS232 interface and/or RS485 interface, and therefore, the second interface 32 can comprise port P11 and port P12, respectively with the corresponding link grafting of MVB master control board card.RS232 interface and/or RS485 interface can be connected with the corresponding pin of the second interface 32 through the first plug connector J5.Because the pin transmitting data in RS232 interface and RS485 interface is different, the first plug connector J5 then can be adopted RS232 interface and RS485 Interface integration to be arranged, even if time RS232 and RS485 two kinds of communication modes use, also can carry out proper communication simultaneously.Inner at MVB interface board, port P11 and port P12 are connected with the corresponding pin of the first plug connector J5 respectively, the first plug connector J5 can with computer grafting, then technique scheme achieves MVB master control board card and is connected with computer.In Fig. 3, U22 is piezo-resistance, and when the voltage applied when piezo-resistance two ends exceedes set point, piezo-resistance can short circuit.
The structural representation of the 3rd interface and network interface in the MVB interface board that Fig. 4 provides for the embodiment of the present invention.As shown in the figure, inner at MVB interface board, the 3rd interface 33 is connected with the corresponding pin of network interface 5.3rd interface 33 is for the corresponding link grafting with MVB master control board card, and network interface 5 is for grafting network service line, then the 3rd interface 33 achieves with network interface 5 and MVB master control board card is connected to Ethernet.
In addition, on the basis of technique scheme, lamina 1 is also provided with universal serial bus USB interface 6, corresponding, MVB master control board card interface 3 also comprises the 4th interface 34, and inner at MVB interface board, the 4th interface 34 is connected with the corresponding pin of USB interface 6.The structural representation of the 4th interface and USB interface in the MVB interface board that Fig. 5 provides for the embodiment of the present invention, as shown in Figure 5, USB interface 6 is for being connected with the USB device in rail vehicle, and the 4th interface 34 is connected with USB interface 6 and achieves MVB master control board card and be connected with USB device.
Lamina 1 is also provided with for the video graphics array USB interface 7 with video equipment grafting, corresponding, MVB master control board card interface 3 also comprises the 5th interface 35, and inner at MVB interface board, the 5th interface 35 is connected with the corresponding pin of USB interface 7.The structural representation of the 5th interface and USB interface in the MVB interface board that Fig. 6 provides for the embodiment of the present invention.As shown in Figure 6, USB interface 7 is for grafting video equipment, and the 5th interface 35 is connected with USB interface 7, achieves MVB master control board card and is connected with video equipment.
Lamina 1 is also provided with for the memory card interface 8 with storage card grafting, corresponding, MVB master control board card interface 3 also comprises the 6th interface 36, and inner at MVB interface board, the 6th interface 36 is connected with the corresponding pin of memory card interface 8.The structural representation of the 6th interface and memory card interface in the MVB interface board that Fig. 7 provides for the embodiment of the present invention, as shown in Figure 7, memory card interface 8 for storage card grafting, such as can with flash memory (Compact Flash is called for short CF) card grafting.6th interface 36 is connected with memory card interface 8, achieves MVB master control board card and CF and links and connect.
Lamina 1 is also provided with toggle switch 9, corresponding, MVB master control board card interface 3 also comprises the 7th interface 37, and inner at MVB interface board, the 7th interface 37 is corresponding with the output pin of toggle switch 9 to be connected.The structural representation of the 7th interface and toggle switch in the MVB interface board that Fig. 8 provides for the embodiment of the present invention, as shown in Figure 8, in toggle switch 9, the various combination of each switch can send different command signals.7th interface 37 is connected with toggle switch 9, can realize toggle switch 9 and send command signal to MVB master control board card.
Lamina 1 is also provided with the drive circuit 10 of indicator light and indicator light, corresponding, MVB master control board card interface 3 also comprises the 8th interface 38, inner at MVB interface board, 8th interface 38 is connected with the corresponding pin of drive circuit 10, can realize MVB master control board card to be connected with drive circuit 10, MVB master control board card can send drive singal to drive circuit 10, to drive corresponding indicator light luminous.Specifically can refer to Fig. 9, the structural representation of the 8th interface and drive circuit in the MVB interface board that Fig. 9 provides for the embodiment of the present invention.In Fig. 9, drive circuit 10 comprises inverter U2, this inverter U2 is connected with the 8th interface 38 and indicator light respectively, receive by the 8th interface 38 drive singal that MVB master control board card sends, control corresponding indicator light luminous, such as: drive singal GP100 can drive A lamp luminous, drive singal GP101 can drive B lamp luminous, drive singal GP102 can drive C lamp luminous, and drive singal GP103 can drive D lamp luminous, and drive singal GP104 can drive E lamp luminous.
Lamina 1 is also provided with input equipment interface 11, corresponding, MVB master control board card interface 3 also comprises the 9th interface 39, and inner at MVB interface board, the 9th interface 39 is connected with the corresponding pin of input equipment interface 11.The structural representation of the 9th interface and input equipment interface in the MVB interface board that Figure 10 provides for the embodiment of the present invention, as shown in Figure 10, input equipment interface 11 is for grafting input equipment, the such as equipment such as mouse or keyboard, 9th interface 39 is connected with input equipment interface 11, achieves MVB master control board card and is connected with input equipment.
On the basis of technique scheme, MVB master control board card interface 3, except comprising above-mentioned first interface 31 to the 9th interface 39, also comprises the tenth interface 30, for the main board of grafting MVB master control board card.Figure 11 is the structural representation of the tenth interface in the MVB interface board that provides for the embodiment of the present invention, and as shown in figure 11, the tenth interface 30 comprises port J2 and port J6.Inner at MVB interface board, port J2 is connected with the pin of corresponding interface with port J6, to make MVB interface board and corresponding equipment connection.
Above-mentioned interface is all arranged on a lamina by technique scheme, both can save the quantity of plug connector, can simplify connection again.Adopt technique scheme two planks directly can be plugged on corresponding interface, the mode of direct connection is compared compared to adopting the connected mode of plug connector, the firm plug degree of its plank wants high a lot, existing MVB interface board can be solved and often occur loose contact and the problem causing reliability lower, improve the stability of MVB communication process.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; 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. a MVB interface board, it is characterized in that, comprising: a lamina and be arranged on described lamina for the double-unit traction controller interface with control unit for vehicle grafting, for the MVB master control board card interface with the grafting of MVB master control board card, for the serial communication interface and network interface with testing equipment grafting;
Described MVB interface, serial communication interface and network interface are all connected with the corresponding pin of described MVB master control board card interface.
2. MVB interface board according to claim 1, is characterized in that, described MVB master control board card interface comprises the first interface, the second interface and the 3rd interface that are separated and arrange;
Described first interface is connected with the corresponding pin of described MVB interface;
Described second interface is connected with the corresponding pin of described serial communication interface;
Described 3rd interface is connected with the corresponding pin of described network interface.
3. MVB interface board according to claim 2, is characterized in that, described lamina is also provided with universal serial bus USB interface;
Described MVB master control board card interface also comprises the 4th interface;
Described 4th interface is connected with the corresponding pin of described USB interface.
4. MVB interface board according to claim 3, is characterized in that, described lamina is also provided with for the video graphics array USB interface with video equipment grafting;
Described MVB master control board card interface also comprises the 5th interface;
Described 5th interface is connected with the corresponding pin of described USB interface.
5. MVB interface board according to claim 4, is characterized in that, described lamina is also provided with for the memory card interface with storage card grafting;
Described MVB master control board card interface also comprises the 6th interface;
Described 6th interface is connected with the corresponding pin of described memory card interface.
6. MVB interface board according to claim 5, it is characterized in that, described serial communication interface comprises: RS232 interface and/or RS485 interface, and described RS232 interface and/or RS485 interface are connected through the corresponding pin of the first plug connector with described second interface.
7. MVB interface board according to claim 6, is characterized in that, described lamina is also provided with toggle switch;
Described MVB master control board card interface also comprises the 7th interface;
Described 7th interface is corresponding with the output pin of described toggle switch to be connected.
8. MVB interface board according to claim 7, is characterized in that, described lamina is also provided with the drive circuit of indicator light and described indicator light;
Described MVB master control board card interface also comprises the 8th interface;
Described 8th interface is connected with the corresponding pin of described drive circuit.
9. MVB interface board according to claim 8, is characterized in that, described lamina is also provided with input equipment interface;
Described MVB master control board card interface also comprises the 9th interface;
Described 9th interface is connected with the corresponding pin of described input equipment interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310702958.0A CN104717114B (en) | 2013-12-17 | 2013-12-17 | MVB interface boards |
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| CN201310702958.0A CN104717114B (en) | 2013-12-17 | 2013-12-17 | MVB interface boards |
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| CN104717114A true CN104717114A (en) | 2015-06-17 |
| CN104717114B CN104717114B (en) | 2018-05-29 |
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| CN201310702958.0A Active CN104717114B (en) | 2013-12-17 | 2013-12-17 | MVB interface boards |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112953857A (en) * | 2021-02-24 | 2021-06-11 | 迈普通信技术股份有限公司 | Method for testing internal channel between boards and distributed network equipment |
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