CN104811225A - Data transmission device, system and method - Google Patents
Data transmission device, system and method Download PDFInfo
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- CN104811225A CN104811225A CN201510130615.0A CN201510130615A CN104811225A CN 104811225 A CN104811225 A CN 104811225A CN 201510130615 A CN201510130615 A CN 201510130615A CN 104811225 A CN104811225 A CN 104811225A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 74
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- 230000008878 coupling Effects 0.000 claims abstract description 82
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- 238000005859 coupling reaction Methods 0.000 claims abstract description 82
- 230000003321 amplification Effects 0.000 claims description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
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Abstract
The invention discloses a data transmission device, system and method. A transceiver receives data signals need to be transmitted of a train, arranges the data signals and then transmits the arranged data signals to a coupling circuit; the coupling circuit couples the arranged data signals to power voltage signals, and transmits coupled signals to a cable bus; and the data signals and power voltage signals are simultaneously transmitted by the cable bus. Data of the train is transmitted in the wired manner via the transceiver, the coupling circuit and the cable bus, and the problems that wireless data transmission causes low braking synchronism and influences the safety and operation efficiency of the train are solved. The data signals are coupled to the power voltage signals via the coupling circuit to effectively reduce cables used for data transmission between the trains, the cost is reduced and the connection reliability is improved.
Description
Technical field
The present invention relates to transmission field, particularly relate to a kind of data transmission device, system and method.
Background technology
Heavy-haul transport technology has been acknowledged as the direction of railway freight development.Along with the increase of lorry block length, load-carrying and speed, the manipulation of heavy haul train of growing up is faced with severe problem.
At present, heavy haul train of growing up carries out the transmission of data usually by wireless communication mode, finally still needs to transmit braking instruction by compressed air, and because braking propagation rate is low, the poor synchronization of braking between train, this just have impact on safety and the operation efficiency of train.
Summary of the invention
In view of this, the invention provides a kind of data transmission device, system and method, adopt wireless communication mode to transmit data to solve in prior art, cause brake synchronous poor, cause the problem affecting train safe and operation efficiency, its concrete scheme is as follows:
A kind of data transmission device, comprising: transceiver, the coupling circuit be connected with described transceiver, the power supply be connected with described coupling circuit, the cable bus be connected with described coupling circuit, wherein:
Described transceiver is used for the train of reception to need the data-signal transmitted to carry out arranging rear transmission;
The power supply voltage signal that described coupling circuit sends for the reduced data signal that receives described transceiver and send and power supply, after the described reduced data signal that receives and power supply voltage signal coupling, is sent to cable bus;
Described cable bus is used for the data-signal after described coupling and power supply voltage signal to transmit.
Further, also comprise: the amplification driving circuit be connected with transceiver and coupling circuit respectively,
The reduced data signal that described amplification driving circuit is used for described transceiver to send amplifies, and the data-signal after described amplification is sent to coupling circuit.
Further, also comprise: the data interface circuit be connected with described transceiver,
The data-signal that described data interface circuit needs to transmit for receiving train, and described data-signal is sent to transceiver.
A kind of data transmission system, comprising: the first train control unit, the data transmission device be connected with described first train control unit, the second train control unit be connected with described data transmission device, wherein:
Described first train control unit is for sending data-signal to described data transmission device;
Described data transmission device is used for described data-signal to transfer to described second train control unit;
Described data transmission device comprises: transceiver, the coupling circuit be connected with described transceiver, the power supply be connected with described coupling circuit, the cable bus be connected with described coupling circuit, wherein:
Described transceiver is used for the train of reception to need the data-signal transmitted to carry out arranging rear transmission;
The power supply voltage signal that described coupling circuit sends for the reduced data signal that receives described transceiver and send and power supply, after the described reduced data signal that receives and power supply voltage signal coupling, is sent to cable bus;
Described cable bus is used for the data-signal after described coupling and power supply voltage signal to transmit.
Further, described data transmission device also comprises: the amplification driving circuit be connected with transceiver and coupling circuit respectively,
The reduced data signal that described amplification driving circuit is used for described transceiver to send amplifies, and the data-signal after described amplification is sent to coupling circuit.
Further, described data transmission device also comprises: the data interface circuit be connected with described transceiver,
The data-signal that described data interface circuit needs to transmit for receiving train, and described data-signal is sent to transceiver.
A kind of data transmission method, comprising:
Receive the data-signal that the first train control unit needs to transmit, and arrange;
Reduced data signal is coupled with power supply voltage signal, obtains the control signal after being coupled;
Data-signal after described coupling is sent to the second train control unit by cable bus.
Further, described reduced data signal is coupled with power supply voltage signal before, also comprise:
Reduced data signal is amplified, and the data-signal after amplifying is coupled with power supply voltage signal.
Further, described reduced data signal to be coupled with power supply voltage signal, to be specially:
Described reduced data signal is converted to voltage signal;
Voltage signal after conversion is coupled with power supply voltage signal.
Further, described reception first train control unit needs the data-signal transmitted, and arranges, and is specially:
Receive the data-signal that the first train control unit needs to transmit;
Described data-signal is arranged according to LonTalk agreement.
As can be seen from technique scheme, data transmission device disclosed in the present application, system and method, the data-signal transmitted is needed by transceivers train, and be sent to coupling circuit after being arranged by data-signal, reduced data signal and power supply voltage signal are coupled by coupling circuit, and the signal after coupling is sent to cable bus, data-signal and power supply voltage signal are transmitted by cable bus simultaneously.The transmission of this programme by adopting the mode of the such wire transmission of transceiver, coupling circuit and cable bus to realize train data, avoids the brake synchronous adopting wireless communication mode transmission data to cause poor, affects the problem of train safe and operation efficiency.Meanwhile, this programme adopts coupling circuit data-signal and power supply voltage signal to be coupled, and effectively reduces the cable transmitting data between train, reduces cost, improve the reliability of connection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of Fig. 1 a kind of data transmission device disclosed in the embodiment of the present invention;
The structural representation of Fig. 2 a kind of data transmission system disclosed in the embodiment of the present invention;
The flow chart of Fig. 3 a kind of data transmission method disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of data transmission device, its structural representation as shown in Figure 1, comprising:
Transceiver 11, the coupling circuit 12 be connected with transceiver 11, the power supply 13 be connected with coupling circuit 12, the cable bus 14 be connected with coupling circuit 13.
Transceiver 11 sends after arranging for the data-signal transmitted by the train of reception.
Transceiver 11 realizes by data interface circuit reception train being needed to the data-signal transmitted, and by data interface circuit, data-signal is sent to transceiver 11.
Data-signal arranges by transceiver 11, can be specially: arranged by LonTalk agreement.
The power supply voltage signal that coupling circuit 12 sends for the reduced data signal and power supply 13 receiving transceiver 11 transmission, and the reduced data signal received and power supply voltage signal are coupled, and the control signal after coupling is sent to cable bus 14.
Coupling circuit 12 can also comprise before reduced data signal and power supply voltage signal being coupled:
Reduced data signal is converted to voltage signal by coupling circuit 12, is coupled, the voltage signal after conversion so that the transmission of data with power supply voltage signal.
Cable bus 14 is for transmitting the control signal after coupling.
Supposing data transmission device disclosed in this programme, is send data to transceiver by the first train control unit, and successively by coupling circuit and cable bus, sends data to the second train control unit.In addition, data transmission device disclosed in the present embodiment, for in the process of transfer of data, also can be: the second train control unit transfers data to coupling circuit by cable bus, data on cable bus are separated by coupling circuit, power supply voltage signal and data-signal are kept apart, and data-signal is sent to transceiver, and be sent to the first train control unit by transceiver, to realize the reception of data.
Data transmission device disclosed in the present embodiment, the data-signal transmitted is needed by transceivers train, and be sent to coupling circuit after being arranged by data-signal, reduced data signal and power supply voltage signal are coupled by coupling circuit, and the signal after coupling is sent to cable bus, data-signal and power supply voltage signal are transmitted by cable bus simultaneously.The transmission of this programme by adopting the mode of the such wire transmission of transceiver, coupling circuit and cable bus to realize train data, avoids the brake synchronous adopting wireless communication mode transmission data to cause poor, affects the problem of train safe and operation efficiency.Meanwhile, this programme adopts coupling circuit data-signal and power supply voltage signal to be coupled, and effectively reduces the cable transmitting data between train, reduces cost, improve the reliability of connection.
Data transmission device disclosed in the present embodiment, can also comprise: the amplification driving circuit 15 be connected with transceiver and coupling circuit respectively.
Amplification driving circuit 15 amplifies for the reduced data signal sent by transceiver, afterwards, the data-signal after amplifying is sent to coupling circuit, to realize remote Signal transmissions.
Present embodiment discloses a kind of data transmission system, its structural representation as shown in Figure 2, comprising:
First train control unit 21, the data transmission device 22 be connected with the first train control unit 21, the second train control unit 23 be connected with data transmission device 22.
First train control unit 21 is for sending data-signal to data transmission device 22.
Data transmission device 22 is for transferring to the second train control unit 23 by data-signal.
Wherein, the structural representation of data transmission device 22 as shown in Figure 1, comprising:
Transceiver 11, the coupling circuit 12 be connected with transceiver 11, the power supply 13 be connected with coupling circuit 12, the cable bus 14 be connected with coupling circuit 13.
Transceiver 11 sends after arranging for the data-signal transmitted by the train of reception.
Transceiver 11 realizes by data interface circuit reception train being needed to the data-signal transmitted, and by data interface circuit, data-signal is sent to transceiver 11.
Data-signal arranges by transceiver 11, can be specially: arranged by LonTalk agreement.
The power supply voltage signal that coupling circuit 12 sends for the reduced data signal and power supply 13 receiving transceiver 11 transmission, and the reduced data signal received and power supply voltage signal are coupled, and the control signal after coupling is sent to cable bus 14.
Coupling circuit 12 can also comprise before reduced data signal and power supply voltage signal being coupled:
Reduced data signal is converted to voltage signal by coupling circuit 12, is coupled, the voltage signal after conversion so that the transmission of data with power supply voltage signal.
Cable bus 14 is for transmitting the control signal after coupling.
In addition, data transmission system disclosed in the present embodiment, for in the process of transfer of data, also can be: the second train control unit transfers data to coupling circuit by cable bus, data on cable bus are separated by coupling circuit, power supply voltage signal and data-signal are kept apart, and data-signal is sent to transceiver, and be sent to the first train control unit by transceiver, to realize the reception of data.
Data transmission system disclosed in the present embodiment, the data-signal transmitted is needed by transceivers first train control unit, and be sent to coupling circuit after being arranged by data-signal, reduced data signal and power supply voltage signal are coupled by coupling circuit, and the signal after coupling is sent to cable bus, data-signal and power supply voltage signal are transmitted by cable bus simultaneously.The transmission of this programme by adopting the mode of the such wire transmission of transceiver, coupling circuit and cable bus to realize train data, avoids the brake synchronous adopting wireless communication mode transmission data to cause poor, affects the problem of train safe and operation efficiency.Meanwhile, this programme adopts coupling circuit data-signal and power supply voltage signal to be coupled, and effectively reduces the cable transmitting data between train, reduces cost, improve the reliability of connection.
Further, the data transmission device in data transmission system disclosed in the present embodiment, can also comprise: the amplification driving circuit 15 be connected with transceiver and coupling circuit respectively.
Amplification driving circuit 15 amplifies for the reduced data signal sent by transceiver, afterwards, the data-signal after amplifying is sent to coupling circuit, to realize remote Signal transmissions.
Present embodiment discloses a kind of data transmission method, its flow chart as shown in Figure 3, comprising:
Step S31, receive the data-signal that the first train control unit needs to transmit, and to arrange;
Wherein, the data-signal received is arranged, is specially: data-signal is arranged according to LonTalk agreement.
Step S32, reduced data signal to be coupled with power supply voltage signal, to obtain the control signal after being coupled;
Before reduced data signal is coupled with power supply voltage signal, can also comprise:
Reduced data signal is amplified, to realize the transmission of distant signal, the data-signal after amplifying is coupled with power supply voltage signal.
Further, reduced data signal is coupled with power supply voltage signal, can be specially:
Reduced data signal is converted to voltage signal, the voltage signal after conversion is coupled with power supply voltage signal, so that the transmission of signal.
Also can be further, reduced data signal is amplified, afterwards, the data-signal after amplifying is converted to voltage signal, the voltage signal after conversion is coupled with power supply voltage signal, so that the transmission of signal.
Step S33, by coupling after data-signal be sent to the second train control unit by cable bus.
In addition, data transmission method disclosed in the present embodiment, for in the process of transfer of data, also can be: the second train control unit transfers data to coupling circuit by cable bus, data on cable bus are separated by coupling circuit, power supply voltage signal and data-signal are kept apart, and data-signal is sent to transceiver, and be sent to the first train control unit by transceiver, to realize the reception of data.
Data transmission method disclosed in the present embodiment, by receiving the data-signal that the first train control unit needs to transmit, and data-signal is arranged, reduced data signal and power supply voltage signal are coupled, and the signal after coupling is sent to cable bus, data-signal and power supply voltage signal are transmitted by cable bus simultaneously.This programme realizes the transmission of train data by the mode of wire transmission, avoids the brake synchronous adopting wireless communication mode transmission data to cause poor, affects the problem of train safe and operation efficiency.Meanwhile, this programme, by data-signal and power supply voltage signal being coupled, effectively reducing the cable transmitting data between train, reduces cost, improves the reliability of connection.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a data transmission device, is characterized in that, comprising: transceiver, the coupling circuit be connected with described transceiver, the power supply be connected with described coupling circuit, the cable bus be connected with described coupling circuit, wherein:
Described transceiver is used for the train of reception to need the data-signal transmitted to carry out arranging rear transmission;
The power supply voltage signal that described coupling circuit sends for the reduced data signal that receives described transceiver and send and power supply, after the described reduced data signal that receives and power supply voltage signal coupling, is sent to cable bus;
Described cable bus is used for the data-signal after described coupling and power supply voltage signal to transmit.
2. device according to claim 1, is characterized in that, also comprises: the amplification driving circuit be connected with transceiver and coupling circuit respectively,
The reduced data signal that described amplification driving circuit is used for described transceiver to send amplifies, and the data-signal after described amplification is sent to coupling circuit.
3. device according to claim 1, is characterized in that, also comprises: the data interface circuit be connected with described transceiver,
The data-signal that described data interface circuit needs to transmit for receiving train, and described data-signal is sent to transceiver.
4. a data transmission system, is characterized in that, comprising: the first train control unit, the data transmission device be connected with described first train control unit, the second train control unit be connected with described data transmission device, wherein:
Described first train control unit is for sending data-signal to described data transmission device;
Described data transmission device is used for described data-signal to transfer to described second train control unit;
Described data transmission device comprises: transceiver, the coupling circuit be connected with described transceiver, the power supply be connected with described coupling circuit, the cable bus be connected with described coupling circuit, wherein:
Described transceiver is used for the train of reception to need the data-signal transmitted to carry out arranging rear transmission;
The power supply voltage signal that described coupling circuit sends for the reduced data signal that receives described transceiver and send and power supply, after the described reduced data signal that receives and power supply voltage signal coupling, is sent to cable bus;
Described cable bus is used for the data-signal after described coupling and power supply voltage signal to transmit.
5. data transmission system according to claim 4, is characterized in that, described data transmission device also comprises: the amplification driving circuit be connected with transceiver and coupling circuit respectively,
The reduced data signal that described amplification driving circuit is used for described transceiver to send amplifies, and the data-signal after described amplification is sent to coupling circuit.
6. data transmission system according to claim 4, is characterized in that, described data transmission device also comprises: the data interface circuit be connected with described transceiver,
The data-signal that described data interface circuit needs to transmit for receiving train, and described data-signal is sent to transceiver.
7. a data transmission method, is characterized in that, comprising:
Receive the data-signal that the first train control unit needs to transmit, and arrange;
Reduced data signal is coupled with power supply voltage signal, obtains the control signal after being coupled;
Data-signal after described coupling is sent to the second train control unit by cable bus.
8. method according to claim 7, is characterized in that, described reduced data signal is coupled with power supply voltage signal before, also comprise:
Reduced data signal is amplified, and the data-signal after amplifying is coupled with power supply voltage signal.
9. method according to claim 7, is characterized in that, is describedly coupled with power supply voltage signal by reduced data signal, is specially:
Described reduced data signal is converted to voltage signal;
Voltage signal after conversion is coupled with power supply voltage signal.
10. method according to claim 7, is characterized in that, described reception first train control unit needs the data-signal transmitted, and arranges, and is specially:
Receive the data-signal that the first train control unit needs to transmit;
Described data-signal is arranged according to LonTalk agreement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510130615.0A CN104811225B (en) | 2015-03-24 | 2015-03-24 | A kind of data transmission device, system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510130615.0A CN104811225B (en) | 2015-03-24 | 2015-03-24 | A kind of data transmission device, system and method |
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| CN104811225A true CN104811225A (en) | 2015-07-29 |
| CN104811225B CN104811225B (en) | 2019-01-11 |
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| 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 |
| CN112491561A (en) * | 2019-09-12 | 2021-03-12 | 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 |
| 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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| CN104811225B (en) | 2019-01-11 |
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Effective date of registration: 20220809 Address after: 266000 south side of Xinye road and west side of Herong Road, Qingdao high tech Industrial Development Zone, Qingdao, Shandong Province Patentee after: CRRC Brake System Co.,Ltd. Address before: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee before: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. |
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