CN210143025U - Network data input/output device based on rail train - Google Patents
Network data input/output device based on rail train Download PDFInfo
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- CN210143025U CN210143025U CN201921589204.8U CN201921589204U CN210143025U CN 210143025 U CN210143025 U CN 210143025U CN 201921589204 U CN201921589204 U CN 201921589204U CN 210143025 U CN210143025 U CN 210143025U
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- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model provides a network data input output device based on rail train, include: the system comprises a CPU board card, an ETH communication board card, an MVB communication board card, a DC110V digital quantity input board card, a DC24V digital quantity input board card, a DC110V digital quantity output board card, a back card, an analog quantity input board card and an analog quantity output board card; wherein: the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card are all arranged on the back card and are communicated with each other through the back card. The device can simultaneously receive the output instruction of the network control system. The quantity of the input board cards and the quantity of the output board cards can be flexibly configured according to actual requirements on the site, and the requirements of different vehicle bodies are met.
Description
Technical Field
The utility model belongs to the technical field of the rail transit technique and specifically relates to rail train's network data technique, concretely relates to network data input output device based on rail train.
Background
The core part of the train network control system is a central control unit which is responsible for receiving and controlling signals from functional units of a traction unit, a brake unit, a power supply auxiliary unit and the like, so that the control of the train network control system is realized. The input and output switching value signals (such as the positions of a relay, a switch and a handle) of the train are usually directly collected and controlled by a central control unit, which greatly increases the burden of the central control unit and also increases the actual cost of the central control unit in many aspects such as design, expansion, maintenance and the like. In recent years, a solution of an input/output workstation of a train network control system is widely applied, and the problems are effectively solved, but the workstation adopts a modular design, so that the actual occupied space is large, and meanwhile, the workstation does not have an Ethernet communication function, and the Ethernet control of the rail vehicle cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a network data input output device can receive network control system's output instruction simultaneously based on rail train. The quantity of the input board cards and the quantity of the output board cards can be flexibly configured according to actual requirements on the site, and the requirements of different vehicle bodies are met. In addition, the device is additionally provided with an Ethernet interface, thereby realizing the Ethernet communication function and the Ethernet control function; the equipment is stable and reliable, and has good electromagnetic compatibility characteristics.
In order to achieve the above object, an embodiment of the present invention provides a network data input/output device based on a rail train, the device includes:
the system comprises a CPU board card, an ETH communication board card, an MVB communication board card, a DC110V digital quantity input board card, a DC24V digital quantity input board card, a DC110V digital quantity output board card, a back card, an analog quantity input board card and an analog quantity output board card; wherein:
the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card are all arranged on the back card and are communicated with each other through the back card;
the ETH communication board card and the MVB communication board card are used for sending a control instruction to the CPU board card; receiving state data sent by the CPU board card;
the CPU board card sends the control instruction to the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card through an INTERBUS bus, and receives state data of the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card.
In one embodiment, the rail train based network data input and output device further includes: and (4) a power supply board card.
In one embodiment, the rail train based network data input and output device further includes: a case.
The CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the back card, the analog quantity input board card and the analog quantity output board card are arranged in the case.
In one embodiment, the chassis is a 3U chassis.
In one embodiment, the chassis is made of stainless steel.
In one embodiment, the number of the DC110V digital input boards is 1 or more.
In one embodiment, the number of the DC24V digital input boards is 1 or more.
In one embodiment, the number of the DC110V digital output boards is 1 or more.
In one embodiment, the number of the analog input board cards is 1 or more.
In an embodiment, the number of the analog output board cards is 1 or more.
Utilize the utility model discloses, can accurate measurement rail train carriage's sealing performance.
As can be seen from the above description, the network data input/output device based on the rail train is divided into various functional modules, and standard 3U-sized boards and chassis are used, so that digital input signals of DC110V or DC24V can be acquired, analog input signals can also be acquired, and the signals are transmitted to the network control system of the train; and can receive the output command of the network control system to make it output the digital quantity signal of the DC 110V. The quantity of the input board cards and the quantity of the output board cards can be flexibly configured according to actual requirements on the site, and the requirements of different vehicle bodies are met. In addition, an Ethernet interface is added, so that an Ethernet communication function and an Ethernet control function are realized; the equipment is stable and reliable, and has good electromagnetic compatibility characteristics. The anti-interference ability of equipment has been improved, helps the heat dissipation, and the fixed mounting of being convenient for has stronger anti-vibration, shock-resistant characteristic, specifically, the device that this application provided has following advantage: the compact design is adopted, the volume of the whole machine is reduced, and the installation space is saved; the number of the input and output plates is adjustable, and the expansion slot position is reserved, so that the requirements of different vehicle bodies can be met; the output board card channel can output normally-closed switching value signals to meet different field requirements; each channel of the output board card is independent and is not influenced; an Ethernet interface is added, so that the Ethernet communication function is realized; and the reliability of the equipment is improved by adopting a high-voltage isolation technology and an optical coupling isolation technology.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a network data input/output device based on a rail train according to an embodiment of the present invention;
fig. 2 is a signal transmission diagram of a network data input/output device based on a rail train according to an embodiment of the present invention;
fig. 3 is a schematic diagram of signal processing of a 110V input board card according to an embodiment of the present invention;
fig. 4 is a front view of a 3U chassis in an embodiment of the present invention;
fig. 5 is the utility model discloses in the embodiment of the utility model provides a network data input/output device work flow diagram based on rail train.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the prior art, the load of the central control unit is greatly increased for the input and output switching value signals of the train, and the actual cost of the central control unit in various aspects such as design, expansion, maintenance and the like is increased. Based on this, the embodiment of the present invention provides a network data input/output device based on rail train, refer to fig. 1, and the device includes:
the system comprises a CPU board card, an ETH communication board card, an MVB communication board card, a DC110V digital quantity input board card, a DC24V digital quantity input board card, a DC110V digital quantity output board card, a back card, an analog quantity input board card and an analog quantity output board card; wherein:
the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card are all arranged on the back card and are communicated with each other through the back card;
the ETH communication board card and the MVB communication board card are used for sending a control instruction to the CPU board card; receiving state data sent by the CPU board card;
the CPU board card sends the control instruction to the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card through an INTERBUS bus, and receives state data of the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card.
Referring to fig. 2 and table 1, the ETH communication card and the MVB communication card receive a control instruction of the train, transmit the instruction to the CPU board, receive status data fed back by the CPU board, and transmit the status data to the train network system; the CPU board transmits a train control command to the I/O boards (a DC110V digital input board, a DC24V digital input board, a DC110V digital output board, an analog input board and an analog output board) through an INTERBUS bus, and receives state data fed back by the I/O boards. It can be understood that through the communication mode, the number of the input board cards and the number of the output board cards are adjustable, and the input board cards and the output board cards can be flexibly configured according to actual requirements on the site, so that the requirements of different vehicle bodies are met; in addition, the CPU board card transmits the state data to the ETH communication card and the MVB communication card, and simultaneously feeds back the state data to the train network system through the Ethernet interface and the MVB interface.
Table 1 function table for each board card
In one embodiment, referring to fig. 3, the DC110V digital input board includes a buck circuit and an optical coupler isolation circuit.
It can be understood that 110V switching value signals enter the voltage reduction circuit through the front-section input connector, the voltage is reduced to 5V, and meanwhile, the optical coupling isolation circuit with the optical coupling isolation chip is applied, so that external interference is effectively reduced; 5V voltage signal gets into next grade signal processing circuit, and this kind of design has also improved the interference killing feature of integrated circuit board when avoiding high pressure to damage the integrated circuit board.
In one embodiment, the rail train based network data input and output device further includes: and (4) a power supply board card.
It can be appreciated that the power supply board supplies power to each board through the backplane.
In one embodiment, referring to fig. 4, the network data input/output device based on the rail train further includes: the chassis is internally provided with the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital input board card, the DC24V digital input board card, the DC110V digital output board card, the back card, the analog input board card and the analog output board card. Preferably, the case is a standard 3U case and is made of stainless steel.
It can be understood that the network data input and output device based on the rail train adopts a standardized 3U case design and adopts a metal shell, so that the device has good electromagnetic compatibility characteristic and strong anti-interference capability, and simultaneously reduces the interference to the outside; the input and output module adopts a case standard hole installation mode, the case flange installation hole is selected as the grounding hole, the grounding is good, the fixed installation is convenient, and the vibration resistance and the shock resistance are stronger.
In an embodiment, the number of the DC110V digital input board, the DC24V digital input board, the DC110V digital output board, the analog input board and the analog output board is 1 or more.
Referring to fig. 5, to further explain the present solution, the present invention further provides a work flow of the network data input/output device based on the rail train: after the I/O board card is normally powered on, an MVB communication loop, a CPU circuit and an INTERBUS communication loop are started, then an Ethernet communication circuit is initialized, and a CPU board card timer executes an interrupt program; after initialization is completed, the INTERBUS communication loop reads the state data of the input/output board card, transmits the data to the MVB communication loop and the Ethernet communication circuit, and then transmits the information data to the train control unit through the MVB interface and the Ethernet interface and the input/output module.
As can be seen from the above description, the network data input/output device based on the rail train is divided into various functional modules, and standard 3U-sized boards and chassis are used, so that digital input signals of DC110V or DC24V can be acquired, analog input signals can also be acquired, and the signals are transmitted to the network control system of the train; and can receive the output command of the network control system to make it output the digital quantity signal of the DC 110V. The quantity of the input board cards and the quantity of the output board cards can be flexibly configured according to actual requirements on the site, and the requirements of different vehicle bodies are met. In addition, an Ethernet interface is added, so that an Ethernet communication function and an Ethernet control function are realized; the equipment is stable and reliable, and has good electromagnetic compatibility characteristics. The anti-interference ability of equipment has been improved, helps the heat dissipation, and the fixed mounting of being convenient for has stronger anti-vibration, shock-resistant characteristic, specifically, the device that this application provided has following advantage: the compact design is adopted, the volume of the whole machine is reduced, and the installation space is saved; the number of the input and output plates is adjustable, and the expansion slot position is reserved, so that the requirements of different vehicle bodies can be met; the output board card channel can output normally-closed switching value signals to meet different field requirements; each channel of the output board card is independent and is not influenced; an Ethernet interface is added, so that the Ethernet communication function is realized; and the reliability of the equipment is improved by adopting a high-voltage isolation technology and an optical coupling isolation technology.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Reference to the description of the terms "one embodiment," "a particular embodiment," "some embodiments," "for example," "an example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The sequence of steps involved in the embodiments is for illustrative purposes, and the sequence of steps is not limited and may be adjusted as desired.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A rail train-based network data input/output device, comprising: the system comprises a CPU board card, an ETH communication board card, an MVB communication board card, a DC110V digital quantity input board card, a DC24V digital quantity input board card, a DC110V digital quantity output board card, a back card, an analog quantity input board card and an analog quantity output board card; wherein:
the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card are all arranged on the back card and are communicated with each other through the back card;
the ETH communication board card and the MVB communication board card are used for sending a control instruction to the CPU board card; receiving state data sent by the CPU board card;
the CPU board card sends the control instruction to the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card through an INTERBUS bus, and receives state data of the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the analog quantity input board card and the analog quantity output board card.
2. The network data input-output device according to claim 1, further comprising: and (4) a power supply board card.
3. The network data input-output device according to claim 1, further comprising: the machine box is provided with a plurality of machine boxes,
the CPU board card, the ETH communication board card, the MVB communication board card, the DC110V digital quantity input board card, the DC24V digital quantity input board card, the DC110V digital quantity output board card, the back card, the analog quantity input board card and the analog quantity output board card are arranged in the case.
4. The device of claim 3, wherein the chassis is a 3U chassis.
5. The device of claim 4, wherein the housing is made of stainless steel.
6. The network data input and output device according to claim 1, wherein the number of the DC110V digital input boards is 1 or more.
7. The network data input and output device according to claim 1, wherein the number of the DC24V digital input boards is 1 or more.
8. The network data input and output device of claim 1, wherein the number of the DC110V digital output boards is 1 or more.
9. The device according to claim 1, wherein the number of the analog input boards is 1 or more.
10. The device according to claim 1, wherein the number of the analog output boards is 1 or more.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921589204.8U CN210143025U (en) | 2019-09-23 | 2019-09-23 | Network data input/output device based on rail train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921589204.8U CN210143025U (en) | 2019-09-23 | 2019-09-23 | Network data input/output device based on rail train |
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| CN210143025U true CN210143025U (en) | 2020-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602237A (en) * | 2019-09-23 | 2019-12-20 | 中国铁道科学研究院集团有限公司 | Network data input/output device based on rail train |
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- 2019-09-23 CN CN201921589204.8U patent/CN210143025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602237A (en) * | 2019-09-23 | 2019-12-20 | 中国铁道科学研究院集团有限公司 | Network data input/output device based on rail train |
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