CN104811225B - A kind of data transmission device, system and method - Google Patents
A kind of data transmission device, system and method Download PDFInfo
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- CN104811225B CN104811225B CN201510130615.0A CN201510130615A CN104811225B CN 104811225 B CN104811225 B CN 104811225B CN 201510130615 A CN201510130615 A CN 201510130615A CN 104811225 B CN104811225 B CN 104811225B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 77
- 238000010168 coupling process Methods 0.000 claims abstract description 77
- 238000005859 coupling reaction Methods 0.000 claims abstract description 77
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 7
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Abstract
The invention discloses a kind of data transmission devices, system and method, the data-signal that train needs to transmit is received by transceiver, and coupling circuit are sent to after arranging data-signal, coupling circuit couple reduced data signal and power supply voltage signal, and the signal after coupling is sent to cable bus, data-signal and power supply voltage signal are transmitted simultaneously by cable bus.The problem of this programme realizes the transmission of train data by using the mode of transceiver, coupling circuit and the such wire transmission of cable bus, and it is poor using brake synchronous caused by wireless communication mode transmission data to avoid, and influences train safety and operation efficiency.Meanwhile this programme is coupled data-signal and power supply voltage signal using coupling circuit, is effectively reduced the cable for transmitting data between train, is reduced costs, improve the reliability of connection.
Description
Technical field
The present invention relates to transmission field more particularly to a kind of data transmission devices, system and method.
Background technique
Heavy-haul transport technology has been acknowledged as the direction of railway freight development.With lorry block length, load-carrying and speed
Increase, the manipulation for heavy haul train of growing up is faced with severe problem.
Currently, heavy haul train of growing up usually carries out the transmission of data by wireless communication mode, finally still need to pass through compression
Air transmits braking instruction, and since braking propagation rate is low, the poor synchronization braked between train, this just affects the safety and fortune of train
Use efficiency.
Summary of the invention
In view of this, the present invention provides a kind of data transmission device, system and method, to solve to use nothing in the prior art
Line communication modes transmit data, cause brake synchronous poor, cause the problem of influencing train safety and operation efficiency, specific side
Case is as follows:
A kind of data transmission device, comprising: transceiver, the coupling circuit being connected with the transceiver couple electricity with described
The connected power supply in road, the cable bus being connected with the coupling circuit, in which:
The transceiver is used to after needing the data-signal transmitted to be arranged on received train send；
The coupling circuit are used to receive the power supply that the reduced data signal that the transceiver is sent and power supply are sent
Voltage signal is sent to cable bus after the reduced data signal received and power supply voltage signal coupling；
The cable bus be used for by after the coupling data-signal and power supply voltage signal transmit.
Further, further includes: the amplification driving circuit being connected respectively with transceiver and coupling circuit,
The amplification driving circuit is for amplifying the reduced data signal that the transceiver is sent, and by institute
It states amplified data-signal and is sent to coupling circuit.
Further, further includes: the data interface circuit being connected with the transceiver,
The data interface circuit is used to receive the data-signal that train needs to transmit, and the data-signal is sent to
Transceiver.
A kind of data transmission system, comprising: the first train control unit, the number being connected with first train control unit
According to transmitting device, the second train control unit being connected with the data transmission device, in which:
First train control unit is for sending data-signal to the data transmission device；
The data transmission device is used for the data signal transmission to second train control unit；
The data transmission device includes: transceiver, the coupling circuit being connected with the transceiver, with the coupling circuit
Connected power supply, the cable bus being connected with the coupling circuit, in which:
The transceiver is used to after needing the data-signal transmitted to be arranged on received train send；
The coupling circuit are used to receive the power supply that the reduced data signal that the transceiver is sent and power supply are sent
Voltage signal is sent to cable bus after the reduced data signal received and power supply voltage signal coupling；
The cable bus be used for by after the coupling data-signal and power supply voltage signal transmit.
Further, the data transmission device further include: the amplification driving being connected respectively with transceiver and coupling circuit
Circuit,
The amplification driving circuit is for amplifying the reduced data signal that the transceiver is sent, and by institute
It states amplified data-signal and is sent to coupling circuit.
Further, the data transmission device further include: the data interface circuit being connected with the transceiver,
The data interface circuit is used to receive the data-signal that train needs to transmit, and the data-signal is sent to
Transceiver.
A kind of data transmission method, comprising:
The data-signal that the first train control unit needs to transmit is received, and is arranged；
Reduced data signal is coupled with power supply voltage signal, the control signal after being coupled；
Data-signal after the coupling is sent to the second train control unit by cable bus.
Further, it is described reduced data signal is coupled with power supply voltage signal before, further includes:
Reduced data signal is amplified, and amplified data-signal and power supply voltage signal are subjected to coupling
It closes.
It is further, described to couple reduced data signal with power supply voltage signal, specifically:
The reduced data signal is converted into voltage signal；
Voltage signal after conversion is coupled with power supply voltage signal.
Further, the data-signal for receiving the first train control unit and needing to transmit, and arranged, specifically
Are as follows:
Receive the data-signal that the first train control unit needs to transmit；
The data-signal is arranged according to LonTalk agreement.
It can be seen from the above technical proposal that data transmission device disclosed in the present application, system and method, pass through transceiver
The data-signal that train needs to transmit is received, and is sent to coupling circuit after data-signal is arranged, after coupling circuit will arrange
Data-signal and power supply voltage signal coupled, and the signal after coupling is sent to cable bus, passes through cable bus
Data-signal and power supply voltage signal are transmitted simultaneously.This programme is by using transceiver, coupling circuit and cable bus
The mode of wire transmission in this way realizes the transmission of train data, avoids and transmits braking caused by data using wireless communication mode
Poor synchronization, the problem of influencing train safety and operation efficiency.Meanwhile this programme uses coupling circuit by data-signal and power supply
Voltage signal is coupled, and is effectively reduced the cable for transmitting data between train, is reduced costs, improve connection can
By property.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of data transmission device disclosed by the embodiments of the present invention；
Fig. 2 is a kind of structural schematic diagram of data transmission system disclosed by the embodiments of the present invention；
Fig. 3 is a kind of flow chart of data transmission method disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The invention discloses a kind of data transmission device, structural schematic diagram is as shown in Figure 1, comprising:
Transceiver 11, the coupling circuit 12 being connected with transceiver 11, the power supply 13 being connected with coupling circuit 12 and couple electricity
The connected cable bus 14 in road 13.
Transceiver 11 after being arranged the data-signal that received train transmits for sending.
Transceiver 11 realizes the reception for the data-signal for needing to transmit to train by data interface circuit, by data-interface
Data-signal is sent to transceiver 11 by circuit.
Transceiver 11 arranges data-signal, can be with specifically: is arranged by LonTalk agreement.
The power supply that coupling circuit 12 are used to receive the reduced data signal of the transmission of transceiver 11 and power supply 13 is sent
Voltage signal, and the reduced data signal and power supply voltage signal that receive are coupled, and by the control after coupling
Signal is sent to cable bus 14.
Before coupling circuit 12 are coupled reduced data signal and power supply voltage signal, can also include:
Reduced data signal is converted to voltage signal by coupling circuit 12, by the voltage signal and power supply electricity after conversion
Pressure signal is coupled, in order to the transmission of data.
Cable bus 14 is used to transmit the control signal after coupling.
Assuming that data transmission device disclosed in this programme, is to send data to transceiver by the first train control unit,
And coupling circuit and cable bus are passed sequentially through, send data to the second train control unit.In addition, disclosed in the present embodiment
Data transmission device, during for data transmission, or: the second train control unit is transmitted by cable bus
Data to coupling circuit, coupling circuit separate the data on cable bus, by power supply voltage signal and data-signal every
It leaves, and data-signal is sent to transceiver, and the first train control unit is sent to by transceiver, to realize data
It receives.
Data transmission device disclosed in the present embodiment receives the data-signal that train needs to transmit by transceiver, and will
Data-signal is sent to coupling circuit after arranging, reduced data signal and power supply voltage signal are carried out coupling by coupling circuit
Close, and the signal after coupling be sent to cable bus, by cable bus simultaneously by data-signal and power supply voltage signal into
Row transmission.This programme realizes train data by using the mode of transceiver, coupling circuit and the such wire transmission of cable bus
Transmission, avoid using wireless communication mode transmit data caused by brake synchronous it is poor, influence train safety and with effect
The problem of rate.Meanwhile this programme is coupled data-signal and power supply voltage signal using coupling circuit, effectively reduces column
The cable that data are transmitted between vehicle, reduces costs, improves the reliability of connection.
Data transmission device disclosed in the present embodiment can also include: to put respectively with what transceiver and coupling circuit were connected
Big driving circuit 15.
Amplification driving circuit 15 later, will amplify for amplifying the reduced data signal that transceiver is sent
Data-signal afterwards is sent to coupling circuit, to realize remote signal transmission.
Present embodiment discloses a kind of data transmission system, structural schematic diagram is as shown in Figure 2, comprising:
First train control unit 21, the data transmission device 22 being connected with the first train control unit 21 are passed with data
The second connected train control unit 23 of defeated device 22.
First train control unit 21 is for sending data-signal to data transmission device 22.
Data transmission device 22 is used for data signal transmission to the second train control unit 23.
Wherein, the structural schematic diagram of data transmission device 22 is as shown in Figure 1, comprising:
Transceiver 11, the coupling circuit 12 being connected with transceiver 11, the power supply 13 being connected with coupling circuit 12 and couple electricity
The connected cable bus 14 in road 13.
Transceiver 11 after being arranged the data-signal that received train transmits for sending.
Transceiver 11 realizes the reception for the data-signal for needing to transmit to train by data interface circuit, by data-interface
Data-signal is sent to transceiver 11 by circuit.
Transceiver 11 arranges data-signal, can be with specifically: is arranged by LonTalk agreement.
The power supply that coupling circuit 12 are used to receive the reduced data signal of the transmission of transceiver 11 and power supply 13 is sent
Voltage signal, and the reduced data signal and power supply voltage signal that receive are coupled, and by the control after coupling
Signal is sent to cable bus 14.
Before coupling circuit 12 are coupled reduced data signal and power supply voltage signal, can also include:
Reduced data signal is converted to voltage signal by coupling circuit 12, by the voltage signal and power supply electricity after conversion
Pressure signal is coupled, in order to the transmission of data.
Cable bus 14 is used to transmit the control signal after coupling.
In addition, data transmission system disclosed in the present embodiment, during for data transmission, or: second
Train control unit transfers data to coupling circuit by cable bus, and coupling circuit are divided the data on cable bus
From power supply voltage signal and data-signal being kept apart, and data-signal is sent to transceiver, and be sent to by transceiver
First train control unit, to realize the reception of data.
Data transmission system disclosed in the present embodiment receives the number that the first train control unit needs to transmit by transceiver
It is believed that number, and coupling circuit are sent to after data-signal is arranged, coupling circuit are by reduced data signal and supply voltage
Signal is coupled, and the signal after coupling is sent to cable bus, by cable bus simultaneously by data-signal and power supply
Voltage signal is transmitted.This programme is real by using the mode of transceiver, coupling circuit and the such wire transmission of cable bus
The transmission of existing train data, it is poor using brake synchronous caused by wireless communication mode transmission data to avoid, and influences train peace
The problem of complete and operation efficiency.Meanwhile this programme is coupled data-signal and power supply voltage signal using coupling circuit, is had
Effect reduces the cable that data are transmitted between train, reduces costs, improves the reliability of connection.
Further, the data transmission device in data transmission system disclosed in the present embodiment, can also include: respectively with
The amplification driving circuit 15 that transceiver and coupling circuit are connected.
Amplification driving circuit 15 later, will amplify for amplifying the reduced data signal that transceiver is sent
Data-signal afterwards is sent to coupling circuit, to realize remote signal transmission.
Present embodiment discloses a kind of data transmission method, flow chart is as shown in Figure 3, comprising:
Step S31, the data-signal that the first train control unit needs to transmit is received, and is arranged；
Wherein, the data-signal received is arranged, specifically: data-signal is carried out according to LonTalk agreement
It arranges.
Step S32, reduced data signal is coupled with power supply voltage signal, the control letter after being coupled
Number；
Before being coupled reduced data signal with power supply voltage signal, can also include:
Reduced data signal is amplified, to realize the transmission of distant signal, by amplified data-signal
It is coupled with power supply voltage signal.
Further, reduced data signal is coupled with power supply voltage signal, it can be with specifically:
Reduced data signal is converted into voltage signal, the voltage signal after conversion is carried out with power supply voltage signal
Coupling, in order to the transmission of signal.
It can also further be to amplify reduced data signal, later, amplified data-signal is converted
For voltage signal, the voltage signal after conversion is coupled with power supply voltage signal, in order to the transmission of signal.
Step S33, the data-signal after coupling is sent to the second train control unit by cable bus.
In addition, data transmission method disclosed in the present embodiment, during for data transmission, or: second
Train control unit transfers data to coupling circuit by cable bus, and coupling circuit are divided the data on cable bus
From power supply voltage signal and data-signal being kept apart, and data-signal is sent to transceiver, and be sent to by transceiver
First train control unit, to realize the reception of data.
Data transmission method disclosed in the present embodiment is believed by receiving the data that the first train control unit needs to transmit
Number, and data-signal is arranged, reduced data signal and power supply voltage signal are coupled, and will be after coupling
Signal is sent to cable bus, is simultaneously transmitted data-signal and power supply voltage signal by cable bus.This programme is logical
The mode for crossing wire transmission realizes the transmission of train data, avoids and transmits braking caused by data together using wireless communication mode
The problem of step property is poor, influences train safety and operation efficiency.Meanwhile this programme by by data-signal and power supply voltage signal into
Row coupling effectively reduces the cable for transmitting data between train, reduces costs, improve the reliability of connection.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of data transmission system characterized by comprising the first train control unit, with the first Train Control list
The connected data transmission device of member, the second train control unit being connected with the data transmission device, in which:
First train control unit is for sending data-signal to the data transmission device；The data-signal includes system
Dynamic instruction；
The data transmission device is used for the data signal transmission to second train control unit；
The data transmission device includes: transceiver, and the coupling circuit being connected with the transceiver are connected with the coupling circuit
Power supply, the cable bus being connected with the coupling circuit, in which:
The transceiver is used to after needing the data-signal transmitted to be arranged on received train send；
The coupling circuit are used to receive the supply voltage that the reduced data signal that the transceiver is sent and power supply are sent
The reduced data signal received is converted to voltage signal by signal, by the voltage signal and power supply electricity after conversion
After pressing signal coupling, it is sent to cable bus；
The cable bus be used for by after the coupling data-signal and power supply voltage signal transmit.
2. data transmission system according to claim 1, which is characterized in that the data transmission device further include: respectively
The amplification driving circuit being connected with transceiver and coupling circuit,
The amplification driving circuit is put for amplifying the reduced data signal that the transceiver is sent by described
Data-signal after big is sent to coupling circuit.
3. data transmission system according to claim 1, which is characterized in that the data transmission device further include: with institute
The connected data interface circuit of transceiver is stated,
The data interface circuit is used to receive the data-signal that train needs to transmit, and the data-signal is sent to transmitting-receiving
Device.
4. a kind of data transmission method characterized by comprising
The data-signal that the first train control unit needs to transmit is received, and is arranged；The data-signal includes brake finger
It enables；
Reduced data signal is converted into voltage signal, by the voltage signal and power supply voltage signal progress coupling after conversion
It closes, the control signal after being coupled；
Data-signal after the coupling is sent to the second train control unit by cable bus.
5. according to the method described in claim 4, it is characterized in that, reduced data signal and supply voltage are believed described
Before number being coupled, further includes:
Reduced data signal is amplified, and amplified data-signal is coupled with power supply voltage signal.
6. according to the method described in claim 4, it is characterized in that, the number for receiving the first train control unit and needing to transmit
It is believed that number, and arranged, specifically:
Receive the data-signal that the first train control unit needs to transmit；
The data-signal is arranged according to LonTalk agreement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130615.0A CN104811225B (en) | 2015-03-24 | 2015-03-24 | A kind of data transmission device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130615.0A CN104811225B (en) | 2015-03-24 | 2015-03-24 | A kind of data transmission device, system and method |
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| Publication Number | Publication Date |
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| CN104811225A CN104811225A (en) | 2015-07-29 |
| CN104811225B true CN104811225B (en) | 2019-01-11 |
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| CN201510130615.0A Expired - Fee Related CN104811225B (en) | 2015-03-24 | 2015-03-24 | A kind of data transmission device, system and method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106301473B (en) * | 2016-08-24 | 2019-07-26 | 株洲中车时代电气股份有限公司 | A kind of reconnection train group and its reconnection communication system |
| CN112491561B (en) * | 2019-09-12 | 2023-07-07 | 深圳市大富智慧健康科技有限公司 | Industrial Ethernet communication power supply equipment and robot control and power supply system |
| CN111355516A (en) * | 2020-03-23 | 2020-06-30 | 深圳市大拿科技有限公司 | Short-distance communication method and system for rail transit transport vehicle |
| CN113489513A (en) * | 2021-06-16 | 2021-10-08 | 深圳市龙境科技有限公司 | Signal transmission method, device and computer readable storage medium |
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| CN201825069U (en) * | 2010-10-22 | 2011-05-11 | 成都智胜通科技有限责任公司 | Locomotive-ground joint control system |
| CN102130882A (en) * | 2011-04-14 | 2011-07-20 | 北京邮电大学 | OFDM (orthogonal frequency division multiplexing)-based high-speed rail mobile communication method and system |
| CN102647206A (en) * | 2011-12-31 | 2012-08-22 | 上海通号轨道交通工程技术研究中心有限公司 | Carrier communication system with contact systems |
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| US8532850B2 (en) * | 2009-03-17 | 2013-09-10 | General Electric Company | System and method for communicating data in locomotive consist or other vehicle consist |
| CN101323310B (en) * | 2008-07-22 | 2010-12-15 | 南车株洲电力机车有限公司 | Brake control unit for locomotive electro-pneumatic brake |
| CN201312329Y (en) * | 2008-12-03 | 2009-09-16 | 中国北车股份有限公司大连电力牵引研发中心 | LON-CAN gateway device taking AT89C51 as processing unit |
| CN103854419A (en) * | 2012-11-29 | 2014-06-11 | 西安博康中瑞船舶设备有限公司 | Fire detection alarm system for trains |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201825069U (en) * | 2010-10-22 | 2011-05-11 | 成都智胜通科技有限责任公司 | Locomotive-ground joint control system |
| CN102130882A (en) * | 2011-04-14 | 2011-07-20 | 北京邮电大学 | OFDM (orthogonal frequency division multiplexing)-based high-speed rail mobile communication method and system |
| CN102647206A (en) * | 2011-12-31 | 2012-08-22 | 上海通号轨道交通工程技术研究中心有限公司 | Carrier communication system with contact systems |
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