CN102394713A - Train-tail independent frequency-point broadcasting station and control method thereof - Google Patents
Train-tail independent frequency-point broadcasting station and control method thereof Download PDFInfo
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- CN102394713A CN102394713A CN2011102682162A CN201110268216A CN102394713A CN 102394713 A CN102394713 A CN 102394713A CN 2011102682162 A CN2011102682162 A CN 2011102682162A CN 201110268216 A CN201110268216 A CN 201110268216A CN 102394713 A CN102394713 A CN 102394713A
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Abstract
The invention discloses a train-tail independent frequency-point broadcasting station and a control method thereof. The broadcasting station comprises a locomotive, a locomotive antenna and a train-tail main machine which is communicated and connected with the locomotive in a wireless way as well as a train-tail main machine antenna; the locomotive comprises an independent frequency-point train-tail locomotive station which is installed in an equipment room, a first control box, a second control box and a power supply, wherein the first control box and the second control box are respectively installed in a first cab and a second cab and are connected with the independent frequency-point train-tail locomotive station, and the power supply is respectively connected with the first control box, the second control box and the independent frequency-point train-tail locomotive station; and the locomotive antenna is arranged on the independent frequency-point train-tail locomotive station. Due to the adoption of the train-tail independent frequency-point broadcasting station and the control method, the weaknesses of the prior art that the communication interference phenomenon is serious, the reliability is low, the universality is poor and the like can be overcome, and the advantages that the interference of original radio train radio-frequency-point can be avoided, the reliability is high and the universality is strong can be realized.
Description
Technical field
The present invention relates to the railway wireless communication system, particularly, relate to row tail independence frequency radio station and control method thereof.
Background technology
At present, the last vehicle of train at the on-the-spot lorry of railway is provided with safety device, as the effective means of control train tail wind pressure; Along with the extensive application of this technology, the safety device of last vehicle of train has become a visual plant of traffic safety.
Usually, in the safety device of above-mentioned last vehicle of train, the data transmission channel of train tail host adopts the simulation standard.See from the transmission frequency,, comprise 450MHz row tail system and 800MHz row tail system with the row tail system that this train tail host is complementary.
Wherein, 450MHz row tail system comprises that train tail apparatus, row tail control box and 450MHz do not have alignment tail FM radio station, and 800MHz row tail system comprises train tail apparatus, classifies control box and 800MHz vehicle radio station as.
The 450MHz row tail system of above-mentioned single simulation standard is though can play certain message transmission effect; But, because 450MHz row tail system is operated in the train dispatch radio communication frequency, when communicating by letter, have mutual interference phenomenon, the reliability of influence communication with the station-locomotive joint control of train dispatch radio communication system; And function singleness can't be verified the integrality of whole vehicle body.
In sum, in realizing process of the present invention, the inventor finds to exist at least in the prior art defectives such as the mutual interference phenomenon of communication is serious, reliability is low with versatility is weak.
Summary of the invention
The objective of the invention is to,, propose a kind of row tail independence frequency radio station, to realize to avoid the advantage of former train dispatch radio communication frequency interference, reliability height and highly versatile to the problems referred to above.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: a kind of row tail independence frequency radio station, comprise locomotive, and be arranged on the locomotive antenna on the said locomotive; The train tail host that is connected with said locomotive wireless communication, and be arranged on the train tail host antenna on the said train tail host; Wherein:
Said locomotive comprises the independent frequency row tail locomotive platform that is installed in equipment room; First control box and second control box that are installed in first drivers' cab and second drivers' cab respectively and all are connected with said independent frequency row tail locomotive platform, and through two cables, the power supply that is connected with said first control box and second control box respectively; Said locomotive antenna is located on the independent frequency row tail locomotive platform, and said power supply also is connected with independent frequency row tail locomotive platform.
Further; Said first control box is identical with the structure of second control box; Wherein, said first control box comprises acknowledgement key, query key, air draft key, pin key, 485 data-interfaces, display unit, first clock circuit and is used to store transmission and the row tail operation of reception and first memory circuit of response message; Said acknowledgement key, query key, air draft key, pin key and display module are connected with first clock circuit and first memory circuit respectively, and are connected with independent frequency row tail locomotive platform through 485 data-interfaces.
Further, said independent frequency row tail locomotive platform comprises casing; On the panel of said casing, be provided with switch, power interface, electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, maintenance interface, spare interface, power supply indicator and running indicator; In the inside of said casing, be provided with power subsystem, radio station and control board;
Said electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, spare interface, running indicator, power subsystem, radio station and the maintenance interface that is used for external computer or data management system are connected with control board respectively; Said power interface is connected with power subsystem through switch; Said power subsystem is connected with power supply indicator; Said locomotive antennal interface is connected with the locomotive antenna, and power interface is connected with power supply; The said first control box interface and the second control box interface through 485 data-interfaces of corresponding control box, are connected with first control box and second control box respectively.
Further; Said control board comprises CPU, radio interface circuit, be used to store second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and the second clock circuit of engine number, order, parameter and emission frequency that first control box or second control box send, wherein:
Said CPU is connected with radio interface circuit, second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and second clock circuit respectively; Said radio interface circuit is connected with the radio station; Said 485 telecommunication circuits are connected with the first control box interface and the second control box interface respectively.
Further, said control box audio frequency deciliter circuit comprises that the row accent frequency point setting unit and the working method that are connected with CPU respectively are provided with the unit; Wherein:
Said row are transferred frequency point setting unit, comprise 457.975MHz independence frequency point setting module and train dispatch radio communication frequency point setting module; Said working method is provided with the unit, comprises that 457.975MHz independence frequency steady job pattern is provided with module and 457.975MHz independence frequency and train dispatch radio communication frequency switching working mode module is set.
Further, said power subsystem is a locomotive platform power subsystem; Said power interface, adopting model is the 2 core sockets of AL16-J2Z.
Further, the said first control box interface and the second control box interface, all adopting model is the 7 core sockets of AL16-J7Z.
Further, said maintenance interface employing model is the 15 core pass sockets of D-Sub.
Simultaneously, another technical scheme of the present invention's employing is: the control method in a kind of aforesaid row tail independence frequency radio station may further comprise the steps:
A, said independent frequency row tail locomotive platform are waited at special-purpose frequency 457.975MHz, during the operation of row tail, carry out the radio station channel according to the mode of operation of first control box or second control box and switch, in special-purpose frequency 457.975MHz or the emission of row frequency modulation point;
B, after the said emission of step a is accomplished, current channel keeps the wait acknowledge state, after obtaining respective response, current channel is returned to special-purpose frequency 457.975MHz.
Further, the said mode of operation according to first control box or second control box of step a is carried out the radio station channel and is switched, and specifically comprises:
After a1, driver pressed acknowledgement key, query key, air draft key or the pin key of said first control box or second control box, first control box or second control box were ordered to independent frequency row tail locomotive platform transmit operation through 485 data-interfaces;
Particularly, when unclamping in driver's button first setting-up time, the aforesaid operations order is special-purpose frequency 457.975MHz operational order; When unclamping behind driver's button second setting-up time, the aforesaid operations order is the order of row frequency modulation point operation;
A2, independent frequency row tail locomotive platform are ordered according to aforesaid operations, judge the send channel that requires, and remain on former channel or carry out the channel hand-off process;
Particularly, when aforesaid operations order during for special-purpose frequency 457.975MHz operational order, channel remains on 457.975MHz; When the aforesaid operations order is ordered for row frequency modulation point operation, then channel is switched to row frequency modulation point, launch.
The row tail independence frequency radio station and the control method of various embodiments of the present invention; Wherein, this row tail independence frequency radio station comprises locomotive, is arranged on the locomotive antenna on the locomotive; The train tail host that is connected with locomotive wireless communication, and be arranged on the train tail host antenna on the train tail host; Locomotive comprises the independent frequency row tail locomotive platform that is installed in equipment room; First control box and second control box that are installed in first drivers' cab and second drivers' cab respectively and all are connected with independent frequency row tail locomotive platform, and through two cables, the power supply that is connected with first control box and second control box respectively; The locomotive antenna is located at the top of independent frequency row tail locomotive platform, and power supply also is connected with independent frequency row tail locomotive platform; The working frequency points of independent frequency row tail locomotive platform can be provided with based on field requirement, both can be independently operated on the 457.975MHz frequency, also can be set to be operated in special-purpose frequency 457.975MHz and train dispatch radio communication frequency, can accomplish frequency through the control box operation and switch; The special-purpose frequency of this row tail independence frequency radio station planning row tail is separated row tail business from the train dispatch radio communication system, help solving the problem that two kinds of service communications interfere with each other, and improves communication reliability; Thereby can overcome the defective that mutual interference phenomenon is serious, reliability is hanged down and versatility is weak of communicating by letter in the prior art, to realize to avoid the advantage of former train dispatch radio communication frequency interference, reliability height and highly versatile.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become apparent, perhaps understand by embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the operation principle sketch map in row tail independence frequency of the present invention radio station;
Fig. 2 is the operation principle sketch map of first control box in the row tail independence frequency of the present invention radio station;
Fig. 3 is the operation principle sketch map of independent frequency row tail locomotive platform in the row tail independence frequency of the present invention radio station;
Fig. 4 is the operation principle sketch map of control board in the row tail independence frequency of the present invention radio station;
Fig. 5 is the schematic flow sheet of the control method in row tail independence frequency of the present invention radio station.
In conjunction with accompanying drawing, Reference numeral is following in the embodiment of the invention:
The 1-locomotive; The 2-110V power supply; 3-first control box; 4-independence frequency row tail locomotive platform; 5-second control box; 6-locomotive antenna; 7-train tail host antenna; The 8-train tail host.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Row tail independence frequency radio station embodiment
According to the embodiment of the invention,, a kind of row tail independence frequency radio station is provided like Fig. 1-shown in Figure 4.
As shown in Figure 1, present embodiment comprises locomotive 1, is arranged on the locomotive antenna 6 on the locomotive 1, the train tail host 8 that is connected with locomotive 1 radio communication, and be arranged on the train tail host antenna 7 on the train tail host 8; Wherein: locomotive 1 comprises the independent frequency row tail locomotive platform 4 that is installed in equipment room; First control box 3 and second control box 5 that are installed in first drivers' cab and second drivers' cab respectively and all are connected with independent frequency row tail locomotive platform 4, and through two cables, the 110V power supply 2 that is connected with first control box 3 and second control box 5 respectively; Locomotive antenna 6 is located at the top of independent frequency row tail locomotive platform 4, and 110V power supply 2 also is connected with independent frequency row tail locomotive platform 4.
Further, in the above-described embodiments, first control box 3 is identical with the structure of second control box 5.Wherein, as shown in Figure 2, first control box 3 comprises acknowledgement key, query key, air draft key, pin key, 485 data-interfaces, display unit, first clock circuit and is used to store transmission and the row tail operation of reception and first memory circuit of response message; Acknowledgement key, query key, air draft key, pin key and display module are connected with first clock circuit and first memory circuit respectively, and are connected with independent frequency row tail locomotive platform 4 through 485 data-interfaces.
Further, as shown in Figure 3 in the above-described embodiments, independent frequency row tail locomotive platform 4 comprises casing; On the panel of casing, be provided with switch, 110V power interface, electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, maintenance interface, spare interface, power supply indicator and running indicator; In the inside of casing, be provided with power subsystem, radio station and control board; Electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, spare interface, running indicator, power subsystem, radio station and the maintenance interface that is used for external computer or data management system are connected with control board respectively; The 110V power interface is connected with power subsystem through switch; Power subsystem is connected with power supply indicator; The locomotive antennal interface is connected with locomotive antenna 6, and the 110V power interface is connected with 110V power supply 2; The first control box interface and the second control box interface through 485 data-interfaces of corresponding control box, are connected with first control box 3 and second control box 5 respectively.
Here, the electromagnetic compatibility plate is installed in front panel, accomplishes the switching of interface line; Power subsystem is used locomotive platform power subsystem; Control board is the core control section, is used to accomplish functions such as radio station channel control, record storage, audio frequency control.
In the above-described embodiments; As shown in Figure 4; Control board comprises CPU, radio interface circuit, be used to store second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and the second clock circuit of engine number, order, parameter and emission frequency that first control box 3 or second control box 5 send; Wherein: CPU is connected with radio interface circuit, second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and second clock circuit respectively; The radio interface circuit is connected with the radio station; 485 telecommunication circuits are connected with the first control box interface and the second control box interface respectively.
In the above-described embodiments, control box audio frequency deciliter circuit comprises that the row accent frequency point setting unit and the working method that are connected with CPU respectively are provided with the unit; Wherein: row are transferred frequency point setting unit, comprise 457.975MHz independence frequency point setting module and train dispatch radio communication frequency point setting module; Working method is provided with the unit, comprises that 457.975MHz independence frequency steady job pattern is provided with module and 457.975MHz independence frequency and train dispatch radio communication frequency switching working mode module is set.
In the above-described embodiments, power subsystem is a locomotive platform power subsystem; The 110V power interface, adopting model is the 2 core sockets of AL16-J2Z; The first control box interface and the second control box interface, all adopting model is the 7 core sockets of AL16-J7Z; It is the 15 core pass sockets of D-Sub that maintenance interface adopts model.For example, the pinout of 110V power interface can be referring to table one, and the pinout of the first control box interface or the second control box interface can be referring to table two, and the pinout of maintenance interface can be referring to table three.
Table one: the pinout of the 110V power interface of independent frequency row tail locomotive platform
Table two: the pinout of the first control box interface of independent frequency row tail locomotive platform
Table three: the pinout of the maintenance interface of independent frequency row tail locomotive platform
In the above-described embodiments; The working frequency points of independent frequency row tail locomotive platform 4; Can be provided with according to field requirement, both can be independently operated on the 457.975MHz frequency, also can be set to be operated in special-purpose frequency 457.975MHz and circuit train dispatch radio communication frequency; Through the operation of first control box 3 or second control box 5, can accomplish frequency and switch.
Particularly, according to field demand, can carry out frequency and switch, row tail independence frequency 457.975MHz is used in the plains region, switches to the work of row frequency modulation point in the area, tunnel; Working method and row frequency modulation point can be provided with, and satisfy various field demands.
The row tail independence frequency radio station of the foregoing description; Have following function: ⑴ first control box 3 or second control box 5; 450MHz radio channel through independent frequency row tail locomotive platform 4 is communicated by letter with train tail host 8, function such as have the affirmation of row tail, inquiry, air draft, disannul a call; That is, the driver is through first control box 3 or second control box 5, operation such as can carry out the affirmation of row tail, inquiry, air draft, disannul a call; ⑵ independence frequency row tail locomotive platform 4; Can be fixed on row tail independence frequency 457.975MHz work, also can between independent frequency, row frequency modulation point, switch, the plains region is in independent frequency work; Feeble field district, tunnel switches to row frequency modulation point, makes the tunnel repeater leaky cable carry out the feeble field relaying; ⑶ row frequency modulation group, the engine number of independence frequency row tail locomotive platform 4 can be adjusted; ⑷ independence frequency row tail locomotive platform 4 has writing function; ⑸ can carry out self check through first control box 3 or second control box 5, and frequency group, engine number and the clock of independent frequency row tail locomotive platform 4 detected; Independent frequency row tail locomotive platform 4 can be operated in special-purpose frequency or train dispatch radio communication frequency, and frequency switches through the operation of first control box 3 or second control box 5 to be accomplished.
The special-purpose frequency of row tail has been planned in the row tail independence frequency radio station of the foregoing description, does not promptly have [2010] No. 2 literary compositions of pipe according to Radio Management Office of the Ministry of Railways; Planning 457.975MHz frequency is used in the system-wide scope as lorry row tail dedicated frequency, and row tail business is separated from the train dispatch radio communication system; Accomplish lorry row tail function; Can avoid former train dispatch radio communication frequency to disturb, help solving the problem that two kinds of service communications interfere with each other, thereby improve the system communication reliability.
In the above-described embodiments; The switching of working frequency points specifically comprises: independent frequency row tail locomotive platform 4, wait at ordinary times at special-purpose frequency 457.975MHz, during the operation of row tail; Carrying out the radio station channel according to the mode of operation of first control box 3 or second control box 5 switches; In special-purpose frequency or the emission of row frequency modulation point, and channel keeps wait acknowledge in 6 seconds after emission is accomplished, and channel returns to special-purpose frequency after 6 seconds.
The feature operation of row tail is specially: after pressing affirmation, inquiry, the air draft of first control box 3 or second control box 5, disannul a call (two key); First control box 3 or second control box 5 are ordered to independent frequency row tail locomotive platform 4 transmit operations through 485 data-interfaces; Button unclamps in 2 seconds and is special-purpose frequency operation, and button unclamps after 3 seconds and is row frequency modulation point operation.Independent frequency row tail locomotive platform 4 is judged the send channel that requires according to operational order, and like special-purpose frequency emission, then channel remains on 457.975MHz; Like the emission of row frequency modulation point, then channel is switched to row frequency modulation point, and keep wait acknowledge in 6 seconds at this channel, channel recovers special-purpose frequency after 6 seconds.
Data record and reading is specially: first control box 3 or second control box 5, to the operation of row tail, the transparent storage of response message of sending, receiving, can read through data acquisition unit; Independent frequency row tail locomotive platform 4 is stored the order of first control box 3 or 5 transmissions of second control box, and memory contents comprises engine number, order, parameter, emission frequency, but external computer of maintenance interface or data management system acquisition and recording data; First control box 3 or second control box, 5 record fetch interfaces, consistent with first control box 3 or second control box, 5 data-interfaces, be 485 data-interfaces.
The setting of the row frequency modulation group of independent frequency row tail locomotive platform 4 is specially: independent frequency row tail locomotive platform 4 can pass through service port or first control box 3 or second control box 5, carries out the setting of row frequency modulation group, and service port connects computer or data management system can be provided with row frequency modulation group; Start shooting according to query key under first control box 3 or second control box, 5 off-modes; Can get into and organize setting program frequently; Charactron (being display module) shows CH-1-CH-8 successively; Unclamp query key during the frequency group that will be provided with being shown to, row frequency modulation group is set to current demonstration group frequently, and group is provided with order and sends to independent frequency row tail locomotive platform 4 frequently.
The starting up is specially: after device power-up starts; Independent frequency row tail locomotive platform 4 will be worked as prostatitis frequency modulation point and sent to first control box 3 or second control box, 5, the first control boxes 3 or second control box, 5 demonstration CH-* (* is the frequency group number) recovery engine number demonstration after 3 seconds; After independent frequency row tail locomotive platform 4 starts engine number is sent to first control box 3 or second control box, 5, the first control boxes 3 or second control box 5 and compare, then normally show like the engine number unanimity, otherwise carry out voice broadcast " attention engine number ".
The operating state demonstration is specially: independent frequency row tail locomotive platform 4 start back power lights Chang Liang, and normal bright 3 seconds of running indicator, self check is being carried out in expression, gets into operate as normal after 3 seconds, and the light on and off flicker of 0.5 second interval of running indicator is represented in proper working order.When writing down running indicator light on and off flicker at interval in 1 second when reading, expression is resumed operation after data output finishes just in dateout.
The control method embodiment in row tail independence frequency radio station
Be complementary with above-mentioned row tail independence frequency radio station, as shown in Figure 5, the control method in the row tail independence frequency radio station of present embodiment may further comprise the steps:
Step 100: after the driver pressed acknowledgement key, query key, air draft key or the pin key of first control box or second control box, first control box or second control box were ordered to independent frequency row tail locomotive platform transmit operation through 485 data-interfaces; Execution in step 101 or step 103;
Step 101: when unclamping in driver's button 2s, the operational order in the step 101 is special-purpose frequency 457.975MHz operational order, execution in step 102;
Step 102: channel remains on 457.975MHz;
Step 103: when unclamping behind driver's button 3s, the operational order in the step 100 is the order of row frequency modulation point operation, execution in step 104;
Step 104: channel is switched to row frequency modulation point, emission row frequency modulation point signal, execution in step 105;
Step 105: after the emission in the step 104 is accomplished, keep the 6s wait acknowledge at this channel, channel is replied special-purpose frequency 457.975MHz behind the 6s.
In sum, the row tail independence frequency radio station and the control method of various embodiments of the present invention, wherein; This row tail independence frequency radio station comprises locomotive; Be arranged on the locomotive antenna on the locomotive, the train tail host that is connected with locomotive wireless communication, and be arranged on the train tail host antenna on the train tail host; Locomotive comprises the independent frequency row tail locomotive platform that is installed in equipment room; First control box and second control box that are installed in first drivers' cab and second drivers' cab respectively and all are connected with independent frequency row tail locomotive platform, and through two cables, the power supply that is connected with first control box and second control box respectively; The locomotive antenna is located at the top of independent frequency row tail locomotive platform, and power supply also is connected with independent frequency row tail locomotive platform; The working frequency points of independent frequency row tail locomotive platform can be provided with based on field requirement, both can be independently operated on the 457.975MHz frequency, also can be set to be operated in special-purpose frequency 457.975MHz and train dispatch radio communication frequency, can accomplish frequency through the control box operation and switch; The special-purpose frequency of this row tail independence frequency radio station planning row tail is separated row tail business from the train dispatch radio communication system, help solving the problem that two kinds of service communications interfere with each other, and improves communication reliability; Thereby can overcome the defective that mutual interference phenomenon is serious, reliability is hanged down and versatility is weak of communicating by letter in the prior art, to realize to avoid the advantage of former train dispatch radio communication frequency interference, reliability height and highly versatile.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the aforementioned technical scheme of putting down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a row tail independence frequency radio station is characterized in that, comprises locomotive, is arranged on the locomotive antenna on the said locomotive, the train tail host that is connected with said locomotive wireless communication, and be arranged on the train tail host antenna on the said train tail host; Wherein:
Said locomotive comprises the independent frequency row tail locomotive platform that is installed in equipment room; First control box and second control box that are installed in first drivers' cab and second drivers' cab respectively and all are connected with said independent frequency row tail locomotive platform, and through two cables, the power supply that is connected with said first control box and second control box respectively; Said locomotive antenna is located on the independent frequency row tail locomotive platform, and said power supply also is connected with independent frequency row tail locomotive platform.
2. row tail independence frequency according to claim 1 radio station; It is characterized in that; Said first control box is identical with the structure of second control box; Wherein, said first control box comprises acknowledgement key, query key, air draft key, pin key, 485 data-interfaces, display unit, first clock circuit and is used to store transmission and the row tail operation of reception and first memory circuit of response message; Said acknowledgement key, query key, air draft key, pin key and display module are connected with first clock circuit and first memory circuit respectively, and are connected with independent frequency row tail locomotive platform through 485 data-interfaces.
3. row tail independence frequency according to claim 2 radio station is characterized in that, said independent frequency row tail locomotive platform comprises casing; On the panel of said casing, be provided with switch, power interface, electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, maintenance interface, spare interface, power supply indicator and running indicator; In the inside of said casing, be provided with power subsystem, radio station and control board;
Said electromagnetic compatibility plate, the first control box interface, the second control box interface, locomotive antennal interface, spare interface, running indicator, power subsystem, radio station and the maintenance interface that is used for external computer or data management system are connected with control board respectively; Said power interface is connected with power subsystem through switch; Said power subsystem is connected with power supply indicator; Said locomotive antennal interface is connected with the locomotive antenna, and power interface is connected with power supply; The said first control box interface and the second control box interface through 485 data-interfaces of corresponding control box, are connected with first control box and second control box respectively.
4. row tail independence frequency according to claim 3 radio station; It is characterized in that; Said control board comprises CPU, radio interface circuit, be used to store second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and the second clock circuit of engine number, order, parameter and emission frequency that first control box or second control box send, wherein:
Said CPU is connected with radio interface circuit, second memory circuit, control box audio frequency deciliter circuit, 485 telecommunication circuits and second clock circuit respectively; Said radio interface circuit is connected with the radio station; Said 485 telecommunication circuits are connected with the first control box interface and the second control box interface respectively.
5. row tail independence frequency according to claim 4 radio station is characterized in that, said control box audio frequency deciliter circuit comprises that the row accent frequency point setting unit and the working method that are connected with CPU respectively are provided with the unit; Wherein:
Said row are transferred frequency point setting unit, comprise 457.975MHz independence frequency point setting module and train dispatch radio communication frequency point setting module; Said working method is provided with the unit, comprises that 457.975MHz independence frequency steady job pattern is provided with module and 457.975MHz independence frequency and train dispatch radio communication frequency switching working mode module is set.
6. according to each described row tail independence frequency radio station among the claim 3-5, it is characterized in that said power subsystem is a locomotive platform power subsystem; Said power interface, adopting model is the 2 core sockets of AL16-J2Z.
7. according to each described row tail independence frequency radio station among the claim 3-5, it is characterized in that, the said first control box interface and the second control box interface, all adopting model is the 7 core sockets of AL16-J7Z.
8. according to each described row tail independence frequency radio station among the claim 3-5, it is characterized in that it is the 15 core pass sockets of D-Sub that said maintenance interface adopts model.
9. the control method in the described row tail of claim 1 an independence frequency radio station is characterized in that, may further comprise the steps:
A, said independent frequency row tail locomotive platform are waited at special-purpose frequency 457.975MHz, during the operation of row tail, carry out the radio station channel according to the mode of operation of first control box or second control box and switch, in special-purpose frequency 457.975MHz or the emission of row frequency modulation point;
B, after the said emission of step a is accomplished, current channel keeps the wait acknowledge state, and after obtaining respective response, is returned to special-purpose frequency 457.975MHz.
10. the control method in row tail independence frequency according to claim 9 radio station is characterized in that, the said mode of operation according to first control box or second control box of step a is carried out the radio station channel and switched, and specifically comprises:
After a1, driver pressed acknowledgement key, query key, air draft key or the pin key of said first control box or second control box, first control box or second control box were ordered to independent frequency row tail locomotive platform transmit operation through 485 data-interfaces;
Particularly, when unclamping in driver's button first setting-up time, the aforesaid operations order is special-purpose frequency 457.975MHz operational order; When unclamping behind driver's button second setting-up time, the aforesaid operations order is the order of row frequency modulation point operation;
A2, independent frequency row tail locomotive platform are ordered according to aforesaid operations, judge the send channel that requires, and remain on former channel or carry out the channel hand-off process;
Particularly, when aforesaid operations order during for special-purpose frequency 457.975MHz operational order, channel remains on 457.975MHz; When the aforesaid operations order is ordered for row frequency modulation point operation, then channel is switched to row frequency modulation point, launch.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627114A (en) * | 2012-03-31 | 2012-08-08 | 北京市交大路通科技有限公司 | Train tail tracker |
| CN102862588A (en) * | 2012-10-18 | 2013-01-09 | 南车资阳机车有限公司 | Integrated control method of train tail device and circuit |
| CN104601258A (en) * | 2014-12-23 | 2015-05-06 | 中国北方车辆研究所 | Multi-machine mutual-interference test method for vehicle-mounted communication systems in the same car |
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| CN106541964A (en) * | 2016-05-24 | 2017-03-29 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail system and control method |
| CN107991936A (en) * | 2017-12-25 | 2018-05-04 | 天津七二通信广播股份有限公司 | The control circuit and implementation method of compatible 450MHz, 800MHz channel device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627114A (en) * | 2012-03-31 | 2012-08-08 | 北京市交大路通科技有限公司 | Train tail tracker |
| CN102862588A (en) * | 2012-10-18 | 2013-01-09 | 南车资阳机车有限公司 | Integrated control method of train tail device and circuit |
| CN104601258A (en) * | 2014-12-23 | 2015-05-06 | 中国北方车辆研究所 | Multi-machine mutual-interference test method for vehicle-mounted communication systems in the same car |
| CN104742942A (en) * | 2015-04-17 | 2015-07-01 | 泉州市铁通电子设备有限公司 | Wireless dispatching communication system control center of railway trains |
| CN106541964A (en) * | 2016-05-24 | 2017-03-29 | 北京世纪东方通讯设备有限公司 | A kind of digital double-mode row tail system and control method |
| CN107991936A (en) * | 2017-12-25 | 2018-05-04 | 天津七二通信广播股份有限公司 | The control circuit and implementation method of compatible 450MHz, 800MHz channel device |
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Application publication date: 20120328 |