CN105059330A - Equipment, system and method for ground reinforcement of combined train - Google Patents
Equipment, system and method for ground reinforcement of combined train Download PDFInfo
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- CN105059330A CN105059330A CN201510471046.6A CN201510471046A CN105059330A CN 105059330 A CN105059330 A CN 105059330A CN 201510471046 A CN201510471046 A CN 201510471046A CN 105059330 A CN105059330 A CN 105059330A
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Abstract
The invention relates to the field of wireless communications, and discloses equipment, system and method for the ground reinforcement of a combined train. The equipment comprises one or more antennas and a control device, wherein the antennas are positioned in a feeble communication field section of a combined train and used for receiving and/or transmitting wireless data from a master control locomotive and/or from a slave control locomotive; the control device is connected with the one or more antennas and used for controlling the transmitting of the wireless from the master control locomotive and/or from the slave control locomotive in a store-and-forward manner, so that the transmission quality of the wireless data is ensured. The equipment disclosed by the invention solves the problem that communications between the master control locomotive and the slave control locomotive in a difficult communication section are interrupted because a simplex vehicle-mounted wireless communication manner is adopted by relaying and switching a wireless communications signal between the master control locomotive and the slave control locomotive.
Description
Technical field
The present invention relates to wireless communication field, particularly, relate to a kind of ground reinforcement equipment, system and method for combined train.
Background technology
Shuohuang Railway uses the wireless heavy synchronous control system of locomotive to control to start ten thousand tons of combined train.Locomotive is wireless, and heavy synchronous control system relies on Wireless Data Transmission mode to provide data transmission channel for head master control locomotive in combined train and middle part slave controller car, realizes permutation combined train sync pulling, synchronous braking.Wireless data communication system in this synchronous control system adopts the vehicle-mounted single-frequency point broadcast of 800MHz and relay to forward the signalling methods combined.Fig. 1 is the schematic diagram carrying out between master control locomotive with slave controller car in combined train communicating.Particularly, as shown in Figure 1, all manipulation orders of the master control locomotive 10 of train are all sent to each slave controller car 11 by wireless data communication system, each slave controller car 11 realizes synchronous manipulation according to the manipulation order robot brain car of master control locomotive 10, and the mode of operation of slave controller car 11 also simultaneously can be sent to master control locomotive 10 by wireless data communication system and shows, for driver provides the data of manipulation train.The quality of radio communication and data transmission delay are by braking when directly affecting locomotive synchronous manipulation and longitudinal impulse.Therefore, the performance of wireless data communication system becomes the wireless heavy synchronous control system control heavy-load combined train of locomotive and starts safely the steady key handled of peace.
Shuohuang Railway landform more complicated along the line, based on hills, mountain area, belong to Multiple tunnel area, mountain area, radio wave propagation is more difficult, especially more at location, tunnel radio wave propagation loss.Communication in wireless heavy combined train between master control locomotive with slave controller car is communicate between walk point to walk point, and communication distance between the two remains unchanged.When using C80 marshalling, the distance between master control locomotive and slave controller car is about 650 meters.When using C64 marshalling, the distance between master control locomotive and slave controller car is about 870 meters.When combined train is started, the geographical environment of the railway line between master control locomotive and slave controller car is in the state constantly changed, and may have following situation:
1) principal and subordinate controls locomotive driving at Plain opening;
2) principal and subordinate controls locomotive driving in cutting;
3) principal and subordinate controls that locomotive is all right to be sailed in tunnel;
4) principal and subordinate controls one, locomotive traveling in tunnel, and another travels outside tunnel;
5) principal and subordinate is controlled locomotive and is travelled in short tunnel both sides respectively;
6) principal and subordinate controls locomotive driving in bend has massif to stop.
When combined train walks to Plain opening, it is good that principal and subordinate controls 800MHz communication efficiency between locomotive, and system works is normal.But when walking to the complex-terrain sections such as above-mentioned tunnel, massif, cutting when combined train, then likely because the shielding in tunnel or permutation car become S shape or C shape to be stopped by massif, principal and subordinate controls 800MHz between locomotive cannot direct communication.These sections are exactly 800MHz radio wave propagation Feeble field.In these sections, 800MHz Wireless Data Transmission success ratio declines.According to the present situation of north yellow line circuit landform, rolling stock and the feature such as vehicle density is larger, combined train does not allow the communication between master control locomotive and slave controller car to occur the interruption of long period in starting.But the performance of wireless data communication system is larger by radio wave propagation environmental concerns, especially at mountain area short tunnel group section, due to factor impacts such as tunnel, bend landform, massif stop and meetings, may cause communication loss even communication disruption between master control locomotive and slave controller car, and then the safety affecting combined train is started, and peace is steady to be handled.
Summary of the invention
The object of this invention is to provide a kind of ground reinforcement equipment, system and method for combined train.Wherein, described equipment, by wireless communication signals between tandem switching master control locomotive and slave controller car, solves and adopts simple in-vehicle wireless communication mode to cause communication disruption problem between difficult communication section master control locomotive and slave controller car.
To achieve these goals, the invention provides a kind of ground reinforcement equipment for combined train, described combined train comprises master control locomotive and/or slave controller car, described equipment comprises: one or more antenna, be positioned at the communication feeble field section of described combined train, for receiving and/or forward from described master control locomotive and/or the wireless data from described slave controller car; And control setup, be connected with described one or more antenna, control for adopting store-and-forward mode to forward from described master control locomotive and/or the wireless data from described slave controller car, thus ensure the transmission quality of described wireless data.
Correspondingly, the present invention also provides a kind of ground reinforcement system for combined train, described combined train comprises master control locomotive and/or slave controller car, and described system comprises: the first data terminal equipment, for launching from described master control locomotive and/or the wireless data from described slave controller car; For the ground reinforcement equipment of combined train; And second data terminal equipment, for receiving the wireless data from described ground reinforcement equipment.
Correspondingly, the present invention also provides a kind of ground reinforcement for combined train, and described combined train comprises master control locomotive and/or slave controller car, and described method comprises: receive from described master control locomotive and/or the wireless data from described slave controller car; Store-and-forward mode is adopted to control to forward from described control locomotive and/or the wireless data from described slave controller car; And forward from described master control locomotive and/or the wireless data from described slave controller car.
Pass through technique scheme, adopt store-and-forward mode to control to forward from described master control locomotive and/or the wireless data from described slave controller car, solve and adopt simple in-vehicle wireless communication mode to cause communication loss problem between difficult communication section master control locomotive and slave controller car or communication disruption problem.
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 carrying out between master control locomotive with slave controller car in combined train communicating;
Fig. 2 is the structural representation of the ground benefit main frame of the ground reinforcement equipment for combined train provided by the invention;
Fig. 3 is the structural representation of the ground reinforcement equipment for combined train provided by the invention;
Fig. 4 is the structural representation of the detailed description of the invention of the ground reinforcement system for combined train provided by the invention;
Fig. 5 is the sequential chart of the ground reinforcement device transmission wireless data for combined train provided by the invention;
Fig. 6 installs field strength pattern before and after reinforcement equipment in ground provided by the invention at the first communication feeble field section;
Fig. 7 installs field strength pattern before and after reinforcement equipment in ground provided by the invention at second communication feeble field section; And
Fig. 8 is the diagram of circuit of the ground reinforcement for combined train provided by the invention.
Description of reference numerals
10 master control locomotive 11 slave controller car 12 control setups
13 14 monitoring device 15 data radio stations
16 power distributing unit 17 radio frequency I/O port 18 supply units
19 storage battery 20 isolating transformer 21 lightning protection devices
Main frame 23 Surge Protector 24 lightning arrester is mended on 22 ground
25 power splitter 26 directional antenna 27 radio frequency cables
28 first data terminal equipment 29 second data terminal equipments
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.
Usual combined train use the radio wave propagation of frequency range to be mainly distributed in portal and the short tunnel group section of bend by the larger section of the influence of topography.In these sections, transmitter and reception facilities are in tunnel respectively and outside tunnel, easily cause the difficult communication between master control locomotive and slave controller car, particularly show even more serious when meeting.Therefore, the present invention spy provides a kind of ground reinforcement equipment for combined train.
Fig. 2 is the structural representation of the ground benefit main frame of the ground reinforcement equipment for combined train provided by the invention.Fig. 3 is the structural representation of the ground reinforcement equipment for combined train provided by the invention.As shown in Figures 2 and 3, ground reinforcement equipment for combined train provided by the invention comprises: one or more antenna, be positioned at the communication feeble field section of described combined train, for receiving and/or forward from described master control locomotive and/or the wireless data from described slave controller car; And control setup 12, be connected with described one or more antenna, control for adopting store-and-forward mode to forward from described master control locomotive and/or the wireless data from described slave controller car, thus ensure the transmission quality of described wireless data.Wherein, described combined train comprises master control locomotive and/or slave controller car.By this, when combined train is started to communication feeble field section, the proper communication between master control locomotive and slave controller car can be ensured.
Preferably, described equipment also comprises: power distributing unit 16, be connected with described one or more antenna, for when receiving from integrating when described master control locomotive and/or the wireless data from described slave controller car and distributing any one radiofrequency signal in from described one or more antenna; And one or more data radio station 15, be connected with described power distributing unit 16 and described control setup 12, for receiving the radiofrequency signal from described power distributing unit, the radiofrequency signal corresponding with its working frequency points is converted into baseband signal, then by described base band signal transmission to described control setup.Wherein, each data radio station 15 is operated on different frequencies.By this, the radiofrequency signal of reception not only can be converted into the baseband signal being suitable for control setup 12 by described ground reinforcement equipment, but also can to equal with data radio station quantity and the combined train working in different frequent points carries out feeble field reinforcement simultaneously.In a particular embodiment, described ground reinforcement Equipments Setting 4 data radio stations, so described ground reinforcement equipment can arrange to 4 the combined train working in different frequent points simultaneously carry out feeble field reinforcement.
Preferably, in a particular embodiment, the baseband signal corresponding with its working frequency points also for when forwarding from the baseband signal received when described master control locomotive and/or the wireless data from described slave controller car from described control setup, is converted into radiofrequency signal by described one or more data radio station 15; And described power distributing unit 16 is also for integrating and distributing the radiofrequency signal from described one or more data radio station, forwards described radiofrequency signal to make described one or more antenna simultaneously.By this, baseband signal from described control setup not only can be converted into the radiofrequency signal being suitable for antenna transmission by described ground reinforcement equipment, but also described one or more antenna can be allowed to launch described radiofrequency signal cover whole communication feeble field section to make described radiofrequency signal simultaneously.
Described control setup 12 is after receiving the baseband signal from described one or more data radio station 15, CRC check is carried out to it, when verifying correct, controlling the data radio station 15 corresponding with this baseband signal and forwarding from described master control locomotive and/or the wireless data from described slave controller car.By this, can the correctness of wireless data of assured forwarding.Particularly, the floor time that the described control setup 12 control data radio station 15 corresponding with this baseband signal does not send wireless data at described master control locomotive and described slave controller car forwards described wireless data.Fig. 5 is the sequential chart of the ground reinforcement device transmission wireless data for combined train provided by the invention.As shown in Figure 5, in a particular embodiment, the startup departure time of master control locomotive, the startup departure time of ground reinforcement equipment and the startup departure time of slave controller car are identical, are all T1.The wireless data departure time of the data terminal equipment of master control locomotive is identical with the wireless data departure time of ground reinforcement equipment, be all T2, and the length of the data of the size of T2 and transmission over radio has relation.In general, the length of data is longer, and the time, T2 was larger.T3 is the processing time of slave controller car, more bigger than time T2, and its size also has relation with the length of the data of transmission over radio.In general, the length of data is longer, and the time, T3 was larger.T4 is the wireless data departure time of the data terminal equipment of slave controller car.Wherein, being sent to from ground reinforcement device start the time be sent completely is T1+T2, starting the time be sent completely from the process of slave controller car to slave controller car is T1+T3, as long as thus guarantee time T2 is less than time T3, and the wireless data departure time of ground reinforcement equipment just can be made not overlapping with the wireless data departure time of master control locomotive and slave controller car.Described control setup 12 when should control immediately after CRC check is carried out to the baseband signal received the data radio station 15 corresponding with this baseband signal forward verify correct wireless data and period T2 is less than time T3 can to ensure and floor time that data radio station 15 that this baseband signal is corresponding does not send wireless data at described master control locomotive and described slave controller car forwards described wireless data.By this, the overlapping phenomenon simultaneously sending wireless data is there will not be between the data terminal equipment of master control locomotive and slave controller car and ground reinforcement equipment, that is, ground reinforcement equipment can not to master control locomotive in combined train with impact from the existing RFDC controlled between train and can to realize and wireless communication system in combined train merges mutually.
Preferably, the Wireless Data Transmission time delay that described control setup 12 also produces for controlling described ground reinforcement equipment is less than the time slice of synchronous manipulation system in described combined train.In a particular embodiment, because in combined train, the time slice of synchronous manipulation system is fixed value, the mode by programming controls the time slice that Wireless Data Transmission time delay that reinforcement equipment in ground produces is less than synchronous manipulation system in combined train just can realize this function.By this, meet the requirement of synchronous manipulation system in combined train, and synchronous manipulation system does not need to make any amendment.
Preferably, described control setup also mends heading code for increasing device number information, status information of equipment and/or ground at forwarding wireless data forward direction wireless data.In a particular embodiment, in wireless data, increase by two bytes just on wireless data, heading code can be mended in additional equipment information, status information of equipment and ground.The mode of operation of self can also be conveyed to the maintenance equipment being positioned at communication feeble field section by reinforcement equipment in ground while forwarding from described master control locomotive and/or the wireless data from described slave controller car.By this, be convenient to maintenance equipment and maintenance management is carried out to ground reinforcement equipment.
Preferably, described equipment also comprises: 13, is connected with described control setup 12, for being shown the running state of described ground reinforcement equipment by described control setup.By this, the running state that staff knows ground reinforcement equipment is convenient to.
Preferably, described equipment also comprises: monitoring device 14, is connected with described control setup 12, for being monitored the mode of operation of described ground reinforcement equipment by described control setup.In a particular embodiment, described monitoring device 14 by the RSSI hardware signal that control setup 12 monitors data radio station 15 just can judge data radio station 15 launch or receiving radio data whether normal.By this, staff's maintenance management ground reinforcement equipment is convenient to.
Wherein, described equipment also comprises: supply unit 18, is connected with described control setup 12, for providing power supply for described ground reinforcement equipment.In a particular embodiment, supply unit 18 is responsible for alternating current 220V Power convert being direct current 13.8V power supply, for ground reinforcement equipment provides required operating voltage.By this, ensure that the energy supply of ground reinforcement equipment.Preferably, described equipment also comprises: storage battery 19, is connected, for powering for described ground reinforcement equipment when externally fed breaks down with described supply unit 18.In a particular embodiment, when externally fed does not break down, supply unit 18 pairs of storage batterys 19 carry out floating charge with stored energy.When externally fed breaks down, storage battery 19 to be powered and the continued power time is greater than 12 hours for described ground reinforcement equipment.By this, supplying energy can be continued by reinforcement equipment earthward.Preferably, described equipment also comprises: isolating transformer 20, is connected with described supply unit 18, for internal circuit and the external circuit of reinforcement equipment in ground described in electric isolution, thus protects the internal circuit of described ground reinforcement equipment.By this, under external circuit meets with superpotential situation, isolating transformer can avoid the internal circuit of ground reinforcement equipment to be damaged.Preferably, described equipment also comprises: lightning protection device 21, is connected with described supply unit 18, for preventing the internal circuit of described ground reinforcement equipment because damaging by lightning surge.By this, under thunder and lightning weather, the internal circuit of ground reinforcement equipment still can work normally.
As shown in Figure 2, in a particular embodiment, control setup 12,13, monitoring device 14, data radio station 15, power distributing unit 16, supply unit 18, storage battery 19, isolating transformer 20 and lightning protection device 21 constitute the ground benefit main frame 22 of ground reinforcement equipment.The communication feeble field section that main frame 22 is installed on railway line is mended on ground, has wall hanging and electric pole two kinds of installation forms.Wherein, the installation environment be adapted in tunnel installed by wall hanging, and the installation environment be adapted to outside tunnel installed by electric pole.
Except main frame 22 is mended on ground, reinforcement equipment in ground also comprises one or more antenna.Described one or more antenna also has wall hanging and electric pole two kinds of installation forms.In the first embodiment, reinforcement equipment in ground comprises 3 antennas.With the length of the feeder line of antenna for mending main frame 22 with connecting can mend the installation site of main frame according to the actual length of the feeble field section that communicates and ground and determine.In the application of reality, the antenna of usual centre is mended main frame 22 with ground and is installed with address, the antenna of the left and right sides is mended main frame 22 by the long feeder line of low-loss of hundreds of rice with ground and is connected, and the while that 3 antennas can being ensured during emitting radio frequency signal described radiofrequency signal can cover whole communication feeble field section.
As shown in Figure 3, in this second embodiment, ground reinforcement equipment comprises 6 antennas.Described 6 antennas are directional antenna 26.Directional antenna 26 can increase the effective rate of utilization of radiated power, has the gain higher than omnidirectional antenna, can meet the demand that railway communication feeble field section wire covers.In a particular embodiment, 3 in railway communication feeble field section different positions are separately installed with directional antenna 26.Because railway communication feeble field section is wire, install at same position place different towards two directional antennas 26.Preferably, two directional antennas 26 along railway line towards being contrary.By this, can ensure further described directional antenna simultaneously emitting radio frequency signal time described radiofrequency signal can cover whole communication feeble field section.Directional antenna 26 and ground are mended between main frame 22 and are connected by radio frequency cable 27 (transmitting the cable of electromagnetic energy).The length that the radio frequency cable 27 of main frame 22 left and right sides is mended on ground is longer, for reducing the decay of radiofrequency signal, and the general radio frequency cable 27 adopting 5/4 inch, and the radio frequency cable 27 of centre adopts the radio frequency cable 27 of 1/2 inch.Preferably, described equipment also comprises: Surge Protector 23, is connected with described power division list 16, and the peak current that the interference for preventing because of the external world produces suddenly or voltage damage described ground reinforcement equipment.Surge Protector 23 is for communication line provides the electronics package of safety precaution; when producing suddenly peak current or voltage because of extraneous interference in communication line; Surge Protector 23 can conducting shunting within the extremely short time, thus avoids surge to mend main frame 22 over the ground causing damage.In a particular embodiment, each in 3 radio frequency cables is provided with Surge Protector 23, and is installed on the one end (near radio frequency I/O port 17) near described power distributing unit 16.Preferably, described equipment also comprises: lightning arrester 24, is connected with described Surge Protector 23, for preventing described ground reinforcement equipment because damaging by lightning surge.In a particular embodiment, each in 3 radio frequency cables is provided with lightning arrester 24, and is installed on the one end away from described power distributing unit 16.By this, under thunder and lightning weather, reinforcement equipment in ground still can work normally.Preferably, described equipment also comprises: power splitter 25, be connected with described lightning arrester 24, for when forward from distribute when described master control locomotive and/or the wireless data from described slave controller car from described power distributing unit radiofrequency signal with make the difference at co-located place towards directional antenna launch described radiofrequency signal simultaneously.In a particular embodiment, on power splitter 25 is installed in 3 radio frequency cables each and different from two of co-located place towards directional antenna 26 connect.By this, can ensure that described radiofrequency signal launched by multiple directional antenna simultaneously, thus described radiofrequency signal can cover whole railway communication feeble field section.Wherein, main frame 22 all ground connection is mended on lightning arrester 24, Surge Protector 23 and ground.
Fig. 4 is the structural representation of the detailed description of the invention of the ground reinforcement system for combined train provided by the invention.As shown in Figure 4, the present invention also provides a kind of ground reinforcement system for combined train, and described system comprises: the first data terminal equipment 28, for launching from described master control locomotive and/or the wireless data from described slave controller car; For the ground reinforcement equipment of combined train; And second data terminal equipment 29, for receiving the wireless data from described ground reinforcement equipment.Wherein, described combined train comprises master control locomotive and/or slave controller car.
As shown in Figure 4, in concrete application, when combined train travels to railway communication feeble field section, master control locomotive 10 is in the coverage of No. 1 antenna of ground reinforcement equipment, slave controller car 11 is in the coverage of No. 3 antennas of ground reinforcement equipment, now can not direct communication between master control locomotive 10 and slave controller car 11.The data terminal equipment of master control locomotive 10 sends manipulation order, and the data terminal equipment of slave controller car 11 directly can not receive the manipulation order that master control locomotive 10 sends.But, the manipulation order that the data terminal equipment that reinforcement equipment in ground can receive master control locomotive 10 by No. 1 antenna sends.When verifying manipulation order and being correct, reinforcement equipment in ground starts 3 antennas immediately and forwards manipulation order simultaneously.The data terminal equipment of slave controller car 11 just can receive the manipulation order of forwarding from No. 3 antennas of ground reinforcement equipment.Through verifying correctly, slave controller car performs this order, just can realize the synchronous manipulation of combined train.Similarly, slave controller car 11 sends the status information of this locomotive to master control locomotive 10, and master control locomotive 10 directly can not receive the status information that slave controller car sends.But, the status information that the data terminal equipment that reinforcement equipment in ground can receive slave controller car 11 by No. 3 antennas sends.When verifying status information and being correct, reinforcement equipment in ground starts 3 antennas forwarding status information simultaneously immediately.The data terminal equipment of master control locomotive 10 just can receive the status information of forwarding from No. 1 antenna of ground reinforcement equipment.Through verifying correctly, master control locomotive 10 display status information, the driver of master control locomotive just can understand the status information of slave controller car.Generally speaking, reinforcement equipment in ground is responsible for forwarding the control information in combined train between master control locomotive 10 and slave controller car 11 and status information.In addition, reinforcement equipment in ground can also be responsible for forwarding the control information in combined train between slave controller car 11 and status information.
Fig. 5 installs field strength pattern before and after reinforcement equipment in ground provided by the invention at the first communication feeble field section.Fig. 6 installs field strength pattern before and after reinforcement equipment in ground provided by the invention at second communication feeble field section.As shown in Figure 5 and Figure 6, the field intensity after reinforcement equipment in ground provided by the invention is installed in the black curve representative be positioned at above field strength pattern, and the field intensity before reinforcement equipment in ground provided by the invention is installed in the Grey curves representative be positioned at below field intensity.By contrast the first communication feeble field section field intensity before and after reinforcement equipment in ground provided by the invention is installed and the field intensity of installing before and after reinforcement equipment in ground provided by the invention at second communication feeble field section known, after communication feeble field section installation ground reinforcement equipment, incoming level value (being converted to through field intensity) has greatly improved than before communication feeble field section installation ground reinforcement equipment, signal reinforcing effect is remarkable, and incoming level value improves about 10 ~ 50dB.
After the first communication feeble field section and second communication feeble field section installation ground reinforcement equipment, the forwarding success ratio of the synchronous manipulation data between master control locomotive and slave controller car has greatly improved, as shown in table 2 below.
Table 2
Reinforcement equipment in ground is by adopting the mode of operation of storage forwarding and the technology of long feeder line and multiple antennas, increase the effective coverage range in communication feeble field section, significantly improve combined train head master control locomotive and postmedian slave controller car in the Wireless Data Transmission success ratio of the feeble field section that communicates and incoming level value, efficiently solve the problem of communication disruption that communication feeble field section causes and communication loss, thus can guarantee that the safety of combined train starts the steady manipulation of peace, eliminate safe hidden trouble, improve conveying efficiency, failure-free technical guarantee is provided for improving freight volume.
Fig. 7 is the diagram of circuit of the ground reinforcement for combined train provided by the invention.As shown in Figure 7, the ground reinforcement for combined train provided by the invention comprises: in step S101, receives the wireless data from described master control locomotive and/or slave controller car; In step s 102, store-and-forward mode is adopted to control to forward from described control locomotive and/or the wireless data from described slave controller car; And in step s 103, forward from described master control locomotive and/or the wireless data from described slave controller car.Particularly, step S102 comprises: after receiving described wireless data, carries out CRC check to it, and when verifying correct, the floor time not sending wireless data at described master control locomotive and described slave controller car forwards described wireless data.Preferably, step S102 also comprises: control the propagation delay time of described wireless data with the time slice making the propagation delay time of described wireless data be less than synchronous manipulation system in described combined train.Preferably, step S102 also comprises: before forwarding wireless data, increases device number information, status information of equipment and/or ground mend heading code to wireless data.For the details that also may relate in each step, provided by the invention for the ground reinforcement equipment of combined train in be described, repeat no more herein.
At communication feeble field section, possibly cannot direct communication between master control locomotive and slave controller car, receive the wireless data of vehicle-mounted data final terminal transmission by ground reinforcement equipment and adopt store-and-forward mode to forward, reach and the reinforcement of wireless data is transmitted, thus the radio communication avoided between interval master control locomotive far away and slave controller car or between slave controller car is lost.
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 (23)
1., for a ground reinforcement equipment for combined train, described combined train comprises master control locomotive and/or slave controller car, it is characterized in that, described equipment comprises:
One or more antenna, is positioned at the communication feeble field section of described combined train, for receiving and/or forward from described master control locomotive and/or the wireless data from described slave controller car; And
Control setup, is connected with described one or more antenna, controls to forward from described master control locomotive and/or the wireless data from described slave controller car, thus ensure the transmission quality of described wireless data for adopting store-and-forward mode.
2. the ground reinforcement equipment for combined train according to claim 1, it is characterized in that, described equipment also comprises:
Power distributing unit, is connected with described one or more antenna, for when receiving from described master control locomotive and/or the wireless data from described slave controller car, integrating and distributing from any one radiofrequency signal in described one or more antenna; And
One or more data radio station, be connected with described power distributing unit and described control setup, for receiving the radiofrequency signal from described power distributing unit, the radiofrequency signal corresponding with its working frequency points is converted into baseband signal, then by described base band signal transmission to described control setup.
3. the ground reinforcement equipment for combined train according to claim 2, is characterized in that,
Described one or more data radio station is also for when forwarding from described master control locomotive and/or the wireless data from described slave controller car, receive the baseband signal from described control setup, the baseband signal corresponding with its working frequency points is converted into radiofrequency signal; And
Described power distributing unit also for integrating and distributing the radiofrequency signal from described one or more data radio station, forwards described radiofrequency signal to make described one or more antenna simultaneously.
4. the ground reinforcement equipment for combined train according to aforementioned any one claim, it is characterized in that, described one or more antenna comprises directional antenna.
5. the ground reinforcement equipment for combined train according to Claims 2 or 3, it is characterized in that, described equipment also comprises:
Surge Protector, is connected with described power distributing unit, and the peak current that the interference for preventing because of the external world produces suddenly or voltage damage described ground reinforcement equipment.
6. the ground reinforcement equipment for combined train according to claim 5, it is characterized in that, described equipment also comprises:
Lightning arrester, is connected with described Surge Protector, for preventing described ground reinforcement equipment because damaging by lightning surge.
7. the ground reinforcement equipment for combined train according to claim 6, it is characterized in that, described equipment also comprises:
Power splitter, be connected with described lightning arrester, for when forward from described master control locomotive and/or the wireless data from described slave controller car, distribute from described power distributing unit radiofrequency signal with make the difference at co-located place towards directional antenna launch described radiofrequency signal simultaneously.
8. the ground reinforcement equipment for combined train according to claim 1, it is characterized in that, described control setup is also for after receiving the wireless data from described one or more antenna, CRC check is carried out to it, when verifying correct, controlling described one or more antenna and forwarding described wireless data.
9. the ground reinforcement equipment for combined train according to claim 8, it is characterized in that, the floor time that described control setup does not also send wireless data for controlling described one or more antenna at described master control locomotive and described slave controller car forwards described wireless data.
10. the ground reinforcement equipment for combined train according to claim 1, it is characterized in that, the Wireless Data Transmission time delay that described control setup also produces for controlling described ground reinforcement equipment is less than the time slice of synchronous manipulation system in described combined train.
The 11. ground reinforcement equipment for combined train according to claim 1, is characterized in that, described control setup also mends heading code for increasing device number information, status information of equipment and/or ground at forwarding wireless data forward direction wireless data.
The 12. ground reinforcement equipment for combined train according to claim 1, it is characterized in that, described equipment also comprises:
, is connected with described control setup, for being shown the running state of described ground reinforcement equipment by described control setup.
The 13. ground reinforcement equipment for combined train according to claim 1, it is characterized in that, described equipment also comprises:
Monitoring device, is connected with described control setup, for being monitored the mode of operation of described ground reinforcement equipment by described control setup.
The 14. ground reinforcement equipment for combined train according to claim 1, it is characterized in that, described equipment also comprises:
Supply unit, is connected with described control setup, for providing power supply for described ground reinforcement equipment.
The 15. ground reinforcement equipment for combined train according to claim 14, it is characterized in that, described equipment also comprises:
Storage battery, is connected with described supply unit, for powering for described ground reinforcement equipment when externally fed breaks down.
The 16. ground reinforcement equipment for combined train according to claim 15, it is characterized in that, described equipment also comprises:
Isolating transformer, is connected with described supply unit, for internal circuit and the external circuit of reinforcement equipment in ground described in electric isolution, thus protects the internal circuit of described ground reinforcement equipment.
17. according to the ground reinforcement equipment for combined train in claim 14-16 described in any one claim, and it is characterized in that, described equipment also comprises:
Lightning protection device, is connected with described supply unit, for preventing the internal circuit of described ground reinforcement equipment because damaging by lightning surge.
18. 1 kinds of ground reinforcement systems for combined train, described combined train comprises master control locomotive and/or slave controller car, it is characterized in that, described system comprises:
First data terminal equipment, for launching from described master control locomotive and/or the wireless data from described slave controller car;
The ground reinforcement equipment for combined train any one of claim 1-17 described in claim; And
Second data terminal equipment, for receiving the wireless data from described ground reinforcement equipment.
19. 1 kinds of ground reinforcements for combined train, described combined train comprises master control locomotive and/or slave controller car, it is characterized in that, described method comprises:
Receive from described master control locomotive and/or the wireless data from described slave controller car;
Store-and-forward mode is adopted to control to forward from described control locomotive and/or the wireless data from described slave controller car; And
Forward from described master control locomotive and/or the wireless data from described slave controller car.
The 20. ground reinforcements for combined train according to claim 19, it is characterized in that, described method also comprises:
After receiving described wireless data, CRC check being carried out to it, when verifying correct, forwarding described wireless data.
The 21. ground reinforcements for combined train according to claim 20, it is characterized in that, described method also comprises:
The floor time not sending wireless data at described master control locomotive and described slave controller car forwards described wireless data.
The 22. ground reinforcements for combined train according to claim 19, it is characterized in that, described method also comprises:
Control the propagation delay time of described wireless data with the time slice making the propagation delay time of described wireless data be less than synchronous manipulation system in described combined train.
The 23. ground reinforcements for combined train according to claim 19, it is characterized in that, described method also comprises:
Before forwarding wireless data, increase device number information, status information of equipment and/or ground to wireless data and mend heading code.
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Inventor after: Han Jianguo Inventor after: Yang Dingyi Inventor after: He Zhanyuan Inventor after: Li Hui Inventor after: Chen Song Inventor after: Ma Zhuoying Inventor after: Wang Yuanbo Inventor after: Ni Xingkai Inventor before: Cao Yanping Inventor before: Yang Dingyi Inventor before: He Zhanyuan Inventor before: Li Hui Inventor before: Chen Song Inventor before: Ma Zhuoying Inventor before: Wang Yuanbo Inventor before: Ni Xingkai |
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Application publication date: 20151118 |