CN105564467A - Coupled communication system and method - Google Patents
Coupled communication system and method Download PDFInfo
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- CN105564467A CN105564467A CN201511029315.XA CN201511029315A CN105564467A CN 105564467 A CN105564467 A CN 105564467A CN 201511029315 A CN201511029315 A CN 201511029315A CN 105564467 A CN105564467 A CN 105564467A
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- communicator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
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Abstract
The invention relates to the field of wireless communication and discloses a coupled communication system and method. The coupled communication system comprises one or more master control locomotive communication devices, one or more slave control locomotive communication devices, one or more forwarding platforms used for receiving first frequency signals sent by the master control locomotive communication devices or the slave control locomotive communication devices, generating second frequency signals according to the first frequency signals and sending the second frequency signals to the slave control locomotive communication devices or the master control locomotive communication devices. Due to adoption of the coupled communication system, even coupled communication between AC high-power locomotives can be free of influence of geographic and geomorphic conditions, so that the success rate and the quality of coupled communication are still high.
Description
Technical field
The present invention relates to wireless communication field, particularly, relate to a kind of reconnection communication system and method.
Background technology
In prior art, the master control locomotive of refreshing north alignment car and slave controller car use 400MHz and 400KHz combination radio station to carry out weight UNICOM words.Wherein, 400MHz radio station can be utilized between master control locomotive and slave controller car to carry out, with frequently leading directly to intercom, when utilizing 400KHz station telecommunication, needing to couple a signal to contact system through antenna, then carrying out the transmission of signal.Because 400MHz radio station utilizes space wave to communicate, be subject to the impact of tunnel, cutting, bend etc., and the communication in 400KHz radio station is by the restriction of topography and geomorphology and distance, therefore in tunnel, cutting, bend and long interval section mainly use 400KHz radio station.
Present stage, according to producing the needs transporting traction marshalling, after particularly Shenhua alternating current large-power locomotive introduced by refreshing north line, be subject to the impact of AC great current, 400KHz radio station is substantially in paralyzed state, cannot use, and 400MHz radio station is by the impact of topography and geomorphology, success rate of communication and quality lower, the demand of train heavy UNICOM words cannot be met.
Summary of the invention
The object of this invention is to provide a kind of reconnection communication system and method, this reconnection communication system and method can, after introducing alternating current large-power locomotive, make the reconnection communication of locomotive not by the impact of topography and geomorphology, and success ratio and the quality of heavy UNICOM words are still higher.
To achieve these goals, the invention provides a kind of reconnection communication system, this system comprises: one or more master control locomotive communicator; One or more slave controller car communicator; One or more signal-relay station, for receiving the first frequency signal of described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
Preferably, connected by wired paths between described one or more signal-relay station.
Preferably, described one or more signal-relay station is after the first frequency signal receiving described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, notify that adjacent one or more signal-relay stations also start to receive described first frequency signal, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
Preferably, each signal-relay station in described one or more signal-relay station comprises two cover communicators, and this two covers communicator is respectively used to carry out uplink communication and downlink communication.
Preferably, described one or more signal-relay station is also for distinguishing master control locomotive communicator and the slave controller car communicator of different running number by different frequencies.
To achieve these goals, present invention also offers a kind of reconnection communication method, the method comprises: one or more signal-relay station receives the first frequency signal of one or more master control locomotive communicator or the transmission of one or more slave controller car communicator; Described one or more signal-relay station produces second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
Preferably, connected by wired paths between described one or more signal-relay station.
Preferably, described method also comprises: described one or more signal-relay station is after the first frequency signal receiving described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, notify that adjacent one or more signal-relay stations also start to receive described first frequency signal, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
Preferably, each signal-relay station in described one or more signal-relay station comprises two cover communicators, and this two covers communicator is respectively used to carry out uplink communication and downlink communication.
Preferably, described one or more signal-relay station distinguishes master control locomotive communicator and the slave controller car communicator of different running number by different frequencies.
By technique scheme, can realize after introducing alternating current large-power locomotive, the reconnection communication of locomotive is not still by the impact of topography and geomorphology, and success ratio and the quality of heavy UNICOM words are still higher.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the reconnection communication according to one embodiment of the invention;
Fig. 2 is the schematic diagram sharing Lou cable according to the signal-relay station of one embodiment of the invention and train dispatch radio communication communicator;
Fig. 3 is the diagram of circuit of the reconnection communication method according to one embodiment of the invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In order to meet after introducing alternating current large-power locomotive, the reconnection communication of locomotive is not by the impact of topography and geomorphology, success ratio and the quality of heavy UNICOM words are higher, and the invention provides a kind of reconnection communication system, this system comprises: one or more master control locomotive communicator; One or more slave controller car communicator; One or more signal-relay station, for receiving the first frequency signal of one or more master control locomotive communicator or the transmission of one or more slave controller car communicator, produce second frequency signal according to first frequency signal, and this second frequency signal is sent to one or more slave controller car communicator or one or more master control locomotive communicator.
Fig. 1 is according to the schematic diagram of the reconnection communication of one embodiment of the invention.In this embodiment, in order to ensure that master control locomotive communicator and slave controller car communicator can carry out normal reconnection communication at feeble field section (as sections such as tunnel, cutting, bends), in this feeble field section, be provided with multiple signal-relay station, the mode of being transferred the letter by alien frequencies between master control locomotive communicator and slave controller car communicator is communicated.In order to ensure that the transfering the letter communication of signal-relay station (namely receives the first frequency signal of master control locomotive communicator or the transmission of slave controller car communicator, and produce second frequency signal according to this first frequency signal, and this second frequency signal is sent to slave controller car communicator or master control locomotive communicator) not by the impact of locomotive operation, above-mentioned multiple signal-relay station is coupled together by wired paths (as optical fiber, but being not limited to this).When position shown in train operation to Fig. 1, master control locomotive communicator initiation session, first frequency signal (being designated as fa) is sent to signal-relay station, now, the signal-relay station 2 nearest apart from master control locomotive communicator receives fa, and interconnected by wired paths and adjacent signal-relay station 1 and signal-relay station 3, and also start to receive fa by wired paths notice signal-relay station 1 and signal-relay station 3.Now, signal-relay station 1, signal-relay station 2 and signal-relay station 3 all start the fa receiving the transmission of master control locomotive communicator, and produce second frequency signal (being designated as Fn) according to fa, and Fn is sent to slave controller car communicator, to expand the range of receiving of Fn, guarantee that master control locomotive communicator on the go still can carry out normal reconnection communication with slave controller car communicator.In like manner, slave controller car communicator also can utilize aforesaid way and master control locomotive communicator to carry out reconnection communication.
In one embodiment, one or more signal-relay station is also for distinguishing master control locomotive communicator and the slave controller car communicator of different running number by different frequencies.In this embodiment, when multiple master control locomotive communicator and multiple slave controller car communicator need to utilize same signal-relay station to carry out reconnection communication, this signal-relay station can distinguish the running number of master control locomotive communicator and slave controller car communicator according to the frequency of the first frequency signal obtained, and the second frequency signal produced according to this first frequency signal is sent to slave controller car communicator or the master control locomotive communicator of corresponding running number.Multiple master control locomotive communicator can be realized and multiple slave controller car communicator utilizes same signal-relay station to carry out reconnection communication according to this embodiment.
In one embodiment, each signal-relay station in one or more signal-relay station comprises two cover communicators, and this two covers communicator is respectively used to carry out uplink communication and downlink communication.Supporting that in order to enable same signal-relay station more master control locomotive communicator and slave controller car communicator carry out reconnection communication simultaneously, in each signal-relay station, having settled two cover communicators.These two communicators are respectively used to carry out uplink communication and downlink communication.In this embodiment, arrange even numbers running number and carry out uplink communication, odd numbers running number carries out downlink communication.
In one embodiment, in order to make full use of existing resource, signal-relay station can share existing leaky coaxial cable (be called for short and leak cable) as antenna with train dispatch radio communication communicator, carries out reception and the transmission of signal.Fig. 2 is the schematic diagram that signal-relay station and train dispatch radio communication communicator share Lou cable.The signal that signal-relay station and train dispatch radio communication communicator can receive and send by the combiner shown in figure separately, to realize signal-relay station and train dispatch radio communication communicator carries out reception and the transmission of signal by same leakage cable.
In order to meet after introducing alternating current large-power locomotive, the reconnection communication of locomotive is not by the impact of topography and geomorphology, and success ratio and the quality of heavy UNICOM words are higher, present invention also offers a kind of reconnection communication method.Fig. 3 is the diagram of circuit of the reconnection communication method of an embodiment, and concrete communication means can with reference to the above-mentioned description about reconnection communication system.
In one embodiment, the transformation of the master control locomotive communicator and slave controller car communicator that introduce alternating current large-power locomotive is comprised: increase the 400MHz radio station that is supported pilot frequency communication separately, respective original motherboard and control desk are replaced by the motherboard and control desk of supporting pilot frequency communication, increase the Signal analysis scanning board that can receive second frequency signal separately.
In one embodiment, test reconnection communication system provided by the invention, concrete test scene is as follows:
Feeble field section between the Baode station of the north railway of god to end of the bridge station chooses six Node configurations signal-relay station, using as test section, wherein, each signal-relay station comprises two cover communication facilitiess, antenna feeder, storage battery, power lead, equipment ground wire, jointing and installs auxiliary material.Transform the communicator of six locomotives, to make the communicator of these six locomotives can carry out reconnection communication at feeble field section, wherein the communicator of every platform locomotive includes power lead, antenna feeder and battery etc.Above-mentioned six locomotives are divided into two groups, wherein often group comprises three locomotives (i.e. master control locomotive, the first slave controller car and the second slave controller car, wherein, master control locomotive and the first slave controller car weight join, master control locomotive and the second slave controller car are at a distance of 750 meters), uplink communication and downlink communication can be carried out respectively.
This embodiment has carried out the communication experiments such as train dispatch radio communication, heavy UNICOM words and row tail transfering the letter, and specific experiment content is as follows, but is not limited to this:
Communication experiment when three locomotive one directions of (1) first group travel comprises:
When three locomotives that one direction travels are not under same signal-relay station communication range, carry out reconnection communication test, above-mentioned reconnection communication should be independent of each other simultaneously;
When three locomotives that one direction travels are not under same signal-relay station communication range, carry out reconnection communication and train dispatch radio communication communication experiment, above-mentioned reconnection communication communicates with train dispatch radio communication and should be independent of each other simultaneously;
When three locomotives that one direction travels are not under same signal-relay station communication range, carry out reconnection communication and the test of row tail transfering the letter, above-mentioned reconnection communication and row tail transfering the letter should be independent of each other simultaneously;
When three locomotives that one direction travels are not under same signal-relay station communication range, carry out train dispatch radio communication communication and the test of row tail transfering the letter, above-mentioned train dispatch radio communication and row tail transfering the letter should be independent of each other simultaneously;
When three locomotives that one direction travels are under same signal-relay station communication range, carry out reconnection communication test, above-mentioned reconnection communication should be independent of each other simultaneously;
When three locomotives that one direction travels are under same signal-relay station communication range, carry out reconnection communication and train dispatch radio communication communication experiment, above-mentioned reconnection communication communicates with train dispatch radio communication and should be independent of each other simultaneously;
Three locomotives that one direction travels are under same signal-relay station communication range and when the midway location of two adjacent signal-relay stations, and carry out reconnection communication test, above-mentioned reconnection communication should normally be carried out.
(2) communication experiment when six locomotive one directions of first and second group travel comprises:
When two groups of six locomotives that one direction travels are not under same signal-relay station communication range, carry out reconnection communication, above-mentioned reconnection communication should be independent of each other simultaneously;
When two groups of six locomotives that one direction travels are under same signal-relay station communication range, carry out reconnection communication, above-mentioned reconnection communication should be independent of each other simultaneously;
When two groups of six locomotives that one direction travels are under same signal-relay station communication range, carry out reconnection communication simultaneously and communicate with train dispatch radio communication, above-mentioned reconnection communication communicates with train dispatch radio communication and should be independent of each other.
(3) communication experiment when six locomotives of first and second group travel relatively comprises:
When two groups of six locomotives of relative traveling are under same signal-relay station communication range, carry out reconnection communication, above-mentioned reconnection communication should be independent of each other simultaneously.
According to reconnection communication system provided by the invention, when locomotive travels in the openr section of the landform such as Plain, the master control locomotive communicator of locomotive and original communicator in slave controller car communicator can be utilized to carry out with frequently communicating; When locomotive travels in feeble field region, master control locomotive communicator and the slave controller car communicator of locomotive can utilize signal-relay station to carry out pilot frequency communication, to guarantee success ratio and the quality of heavy UNICOM words.
It should be noted that, the frequency that the present invention relates to comprises the existing second frequency signal-46x.xxxMHz carrying out sending with frequency signal-(459.0-461.5MHz) of communication frequently, the first frequency signal-45x.xxxMHz of signal-relay station reception and signal-relay station of multi-locomotive, and the concrete setting of above-mentioned frequency can be determined after the application of local related organization.
For the ease of carrying out remote monitor and control to reconnection communication system provided by the invention, network management system can be set up at relevant station.This network management system has business record function, as kept a record to the mode of operation of signal-relay station, whether normally work to detect signal-relay station, also there is parameter setting function, as arranged the power of the signal that signal-relay station sends, the power of the signal sent to prevent signal-relay station is excessive, makes this signal spans to the communication range place of other signal-relay stations, causes interference to the communication of other signal-relay stations.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a reconnection communication system, is characterized in that, this system comprises:
One or more master control locomotive communicator;
One or more slave controller car communicator;
One or more signal-relay station, for receiving the first frequency signal of described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
2. reconnection communication system according to claim 1, is characterized in that, is connected between described one or more signal-relay station by wired paths.
3. reconnection communication system according to claim 1, is characterized in that,
Described one or more signal-relay station is after the first frequency signal receiving described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, notify that adjacent one or more signal-relay stations also start to receive described first frequency signal, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
4. reconnection communication system according to claim 1, is characterized in that, each signal-relay station in described one or more signal-relay station comprises two cover communicators, and this two covers communicator is respectively used to carry out uplink communication and downlink communication.
5. reconnection communication system according to claim 1, is characterized in that, described one or more signal-relay station is also for distinguishing master control locomotive communicator and the slave controller car communicator of different running number by different frequencies.
6. a reconnection communication method, is characterized in that, the method comprises:
One or more signal-relay station receives the first frequency signal of one or more master control locomotive communicator or the transmission of one or more slave controller car communicator;
Described one or more signal-relay station produces second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
7. reconnection communication method according to claim 6, is characterized in that, is connected between described one or more signal-relay station by wired paths.
8. reconnection communication method according to claim 6, is characterized in that, described method also comprises:
Described one or more signal-relay station is after the first frequency signal receiving described one or more master control locomotive communicator or described one or more slave controller car communicator transmission, notify that adjacent one or more signal-relay stations also start to receive described first frequency signal, produce second frequency signal according to described first frequency signal, and this second frequency signal is sent to described one or more slave controller car communicator or described one or more master control locomotive communicator.
9. reconnection communication method according to claim 6, is characterized in that, each signal-relay station in described one or more signal-relay station comprises two cover communicators, and this two covers communicator is respectively used to carry out uplink communication and downlink communication.
10. reconnection communication method according to claim 6, is characterized in that, described one or more signal-relay station distinguishes master control locomotive communicator and the slave controller car communicator of different running number by different frequencies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511029315.XA CN105564467A (en) | 2015-12-31 | 2015-12-31 | Coupled communication system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511029315.XA CN105564467A (en) | 2015-12-31 | 2015-12-31 | Coupled communication system and method |
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| CN105564467A true CN105564467A (en) | 2016-05-11 |
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| CN201511029315.XA Pending CN105564467A (en) | 2015-12-31 | 2015-12-31 | Coupled communication system and method |
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Cited By (1)
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| CN114545891A (en) * | 2021-11-29 | 2022-05-27 | 中车大连机车车辆有限公司 | Locomotive wireless reconnection synchronous control system, master control system and master control method |
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| JP2015036287A (en) * | 2013-08-14 | 2015-02-23 | 株式会社日立製作所 | External interface device control system and external interface device control method |
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| CN114545891A (en) * | 2021-11-29 | 2022-05-27 | 中车大连机车车辆有限公司 | Locomotive wireless reconnection synchronous control system, master control system and master control method |
| CN114545891B (en) * | 2021-11-29 | 2023-09-05 | 中车大连机车车辆有限公司 | Locomotive wireless reconnection synchronous control system, total control system and total control method |
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Application publication date: 20160511 |