CN102541024A - Control system and control method for controlling track relay - Google Patents
Control system and control method for controlling track relay Download PDFInfo
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- CN102541024A CN102541024A CN2012100199270A CN201210019927A CN102541024A CN 102541024 A CN102541024 A CN 102541024A CN 2012100199270 A CN2012100199270 A CN 2012100199270A CN 201210019927 A CN201210019927 A CN 201210019927A CN 102541024 A CN102541024 A CN 102541024A
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- track relay
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
Aiming at the defect that the prior art fails to accurately control the track relay under the condition of shunt fault, the invention provides a control system and a control method for controlling a track relay. According to the invention, the control system includes an upper computer, a control unit, an electrically controlled switch and a track relay state acquiring unit, wherein the electrically controlled switch controls power supply of a local power source for a local coil; the control unit is connected with the track relay state acquiring unit and the upper computer respectively; the upper computer receives information that a track section stays at an occupied state or an available state at present, and sends a command to the control unit to disconnect or connect the electrically controlled switch based on the information; the control unit controls the connection and disconnection of the electrically controlled switch based on the command received by the upper computer to disconnect or connect the electrically controlled switch, and receives a current state of the track relay, which is obtained by the track relay state acquiring unit; and the upper computer determines whether or not the state of the track relay is changed successfully based on the information that the track section stays at the occupied state or the available state at present.
Description
Technical field
The present invention relates to railway territory, relate in particular to a kind of control system and control method of controlling track relay.
Background technology
At present, the mode of domestic general employing track circuit detects the situation that takies of train rail section.Track circuit utilizes two sections rail of rail track to come transmission information as conductor, whether takies track section in order to detect train, and can send whether information such as free time of track, therefore plays the information transfer channel effect.But, owing to rain, reason such as humidity can cause rail to get rusty, thereby cause existing track circuit can not judge exactly whether track section occupied, thereby also just can not under the situation of shunting badness, realize control exactly to track relay.
Summary of the invention
The present invention is directed to the defective that can not under the situation of shunting badness, control track relay in the prior art exactly, a kind of control system and control method of controlling track relay is provided, it can control track relay exactly under the situation of shunting badness.
The present invention provides a kind of control system of controlling track relay; Said track relay is two relays of binary, and two relays of said binary comprise track coil and local coil, and said track coil is supplied power by the track power supply; Said local coil is supplied power by locally supplied power source; Wherein, this control system comprises host computer, control module, electric-controlled switch and track relay state acquiring unit, and said electric-controlled switch is controlled the power supply of said locally supplied power source to said local coil; Said control module is electrically connected with said track relay state acquiring unit and said host computer respectively, wherein:
Said host computer is used to receive about the current information that is in seizure condition or is in idle condition of track section, correspondingly sends the order that makes said electric-controlled switch break off or connect to said control module based on the current information that is in the information of seizure condition or is in idle condition of track section;
Said control module is controlled the break-make of said electric-controlled switch based on the order that said electric-controlled switch is broken off or connect that receives from said host computer; Receive the current state of the said track relay that said track relay state acquiring unit obtained, and said current state is fed back to said host computer;
Said host computer also judges based on current seizure condition or the information of idle condition of being in of track section whether the state of said track relay successfully changes.
The present invention also provides a kind of control method of controlling track relay; Said track relay is two relays of binary, and two relays of said binary comprise track coil and local coil, and said track coil is supplied power by the track power supply; Said local coil is supplied power by locally supplied power source, and this method comprises:
Reception is about the current seizure condition or the information of idle condition of being in of track section;
Be in seizure condition or the information of idle condition is controlled the power supply of said locally supplied power source to said local coil based on track section is current; And
Obtain the current state of said track relay, and judge based on current seizure condition or the information of idle condition of being in of track section whether the state of said track relay successfully changes.
Through adopting described control system and control method; Host computer is in seizure condition or the information of idle condition and can be in seizure condition or the information of idle condition is correspondingly sent the order that makes said electric-controlled switch break off or connect to said control module owing to can receive about track section is current based on track section is current; Track relay state acquiring unit then can obtain the current state of track relay and should feed back to host computer through control module by current state; Host computer then can judge whether the state of said track relay successfully changes based on current seizure condition or the information of idle condition of being in of track section; Therefore, the present invention can control track relay exactly under the situation of shunting badness.
Description of drawings
Fig. 1 is the circuit diagram of existing track circuit;
Fig. 2 is the block diagram according to the control system of the control track relay of one embodiment of the present invention;
Fig. 3 is the block diagram of control system of the control track relay of the another embodiment according to the present invention;
Fig. 4 is the circuit diagram according to track relay state acquiring unit of the present invention;
Fig. 5 is another circuit diagram according to track relay state acquiring unit of the present invention;
Fig. 6 is the block diagram according to the control method of the control track relay of one embodiment of the present invention.
Embodiment
Combining before accompanying drawing describes the control system and control method according to control track relay of the present invention in detail, at first the existing once track circuit of brief account.
In current railway territory, generally all two relays of binary are used as track relay.Two relays of binary are a kind of alternating current impression formula relays, and it has reliable frequency selectivity and phase place selectivity, and Recombinant Interferon damaged to track-end insulation and extraneous traction current or other frequency currents is protected reliably.Two relays of binary generally include track coil and local coil; And in existing track circuit; Track coil is supplied power by the track power supply; Local coil is supplied power by locally supplied power source, and shown in Figure 1 is the 25Hz phase-sensitive track circuits of two relays of existing employing binary, and this track circuit is respectively the track power supply and the locally supplied power source of the track coil and the local coil power supply of two relays of binary through the frequency divider acquisition.
Next describe the control system according to control track relay of the present invention in detail with reference to Fig. 2, wherein, the track relay here also is two relays of binary.As shown in Figure 2; Control system according to control track relay of the present invention comprises host computer 101, control module 103, electric-controlled switch 106 and track relay state acquiring unit 102, and said control module 103 is electrically connected with said host computer 101 with said track relay state acquiring unit 102 respectively.In Fig. 2, electric-controlled switch 106 is used to control the power supply of the local coil (not shown) of 104 pairs of track relays 107 of locally supplied power source.Wherein, Said host computer 101 is used to receive about the current seizure condition or the information of idle condition of being in of track section, correspondingly sends the order that makes said electric-controlled switch 106 break off or connect to said control module 103 based on current seizure condition or the information of idle condition of being in of track section; 103 of said control modules are controlled the break-make of said electric-controlled switch 106 based on the order that said electric-controlled switch 106 is broken off or connect that receives from said host computer 101, and receive the said track relay 107 that said track relay state acquiring unit 102 obtained current state and should current feedback of status to host computer 101; 101 of host computers are in seizure condition or the information of idle condition judges whether the state of said track relay 107 successfully changes based on track section is current.
Wherein, host computer 101 can be industrial computer.Electric-controlled switch 106 can be miniature relay, the for example relay of solid-state relay or other types.
Locally supplied power source 104 among Fig. 2, track relay 107 and track power supply 105 have constituted track circuit of the prior art jointly.
Introduce the principle of work of embodiment shown in Figure 2 below in detail.At first host computer 101 receives about the current seizure condition or the information of idle condition of being in of track section; Wherein, Host computer 101 can be in the seizure condition or the information of idle condition about track section is current from for example reception such as server, slave computer, and host computer 101 can communicate through CAN bus or other buses and slave computer, server etc.Afterwards, host computer 101 sends to said control module 103 based on said information and connects the order of still breaking off electric-controlled switch 106.Afterwards, if the information that host computer 101 receives is that current track section takies, thereby then control module 103 disconnection electric-controlled switchs 106 make locally supplied power source 104 not supply power to the local coil of track relay 107, thereby the signal lamp (not shown) sends out a warning; If being the current state of track section, the information that host computer 101 receives is the free time; Then thereby control module 103 connection electric-controlled switchs 106 make locally supplied power source 104 supply power to the local coil of track relay 107, should be noted in the discussion above that locally supplied power source 104 this moment, track relay 107 and track power supply 105 have constituted track circuit of the prior art jointly; Therefore; The signal lamp (not shown) sent out a warning or gave a green light and also depends on the detection of track circuit of the prior art this moment, if that is: track circuit of the prior art detects that track section is current to be seizure condition, then signal lamp sends out a warning; Otherwise signal lamp gives a green light.This control mode has embodied the principle of railway " fault-safety principle ".
In a preferred implementation more according to the present invention; Track power supply 105 is for the track coil of track relay 107 power supply that makes track relay 107 connect required electric current to be provided constantly; The AC power of 18V for example, the i.e. power supply of the track coil of 105 pairs of track relays 107 of track power supply are not interrupted because of the influence (for example, having train to get on the track section) of external environment; Like this; Just can come control track relay 107 separately through control system according to the present invention, promptly signal lamp gives a green light when electric-controlled switch is connected then, and signal lamp sends out a warning when electric-controlled switch breaks off then.Like this, even if thereby electric-controlled switch 106 is closed make that locally supplied power source 104 can the situation for the local coil power supply of track relay 107 under, track circuit of the prior art is also inoperative.In addition, said locally supplied power source 104 can be the AC power of 110V, 25Hz.
In a preferred implementation more according to the present invention; If whether hope only to detect track section through track circuit of the prior art (circuit that promptly is made up of locally supplied power source 104, track relay 107 and track power supply 105) occupied; Then can make electric-controlled switch 106 be in the state of always connecting; Like this, just can only adopt the track circuit of present technology to detect the situation that takies of track section.Because those skilled in the art know the track circuit (as shown in Figure 1) of prior art, so no longer describe here.
In another preferred implementation according to the present invention; As shown in Figure 3; Can also comprise the CC 302 that is connected between said control module 103 and the said electric-controlled switch 106 according to control system of the present invention; Wherein this CC 302 can be play that light is separated, any circuit of effect such as driving, the photoelectric coupled circuit of TLP523 model for example, this photoelectric coupled circuit are used to receive logical signal from control module 103 to drive electric-controlled switch 106.
In addition; In another preferred implementation according to the present invention, as shown in Figure 3, can also comprise hand switch 301 according to control system of the present invention; When hand switch 301 closures, just can only control the connecting and disconnecting of track relay 107 through the track circuit of prior art.
In addition; As shown in Figure 3; Can also comprise repeater relay 303 according to control system of the present invention; The state of this repeater relay 303 changes along with the change of track relay 107 states, and promptly the state with track relay 107 is identical all the time for the state of repeater relay 303, and said like this track relay state acquiring unit 102 just can obtain the state of track relay 107 through the state of gathering said repeater relay 303 and the state that collects is sent to said control module 103.Should be understood that repeater relay 303 is well known to those skilled in the art with the connected mode of track relay 107,, and just in Fig. 3, illustrate both connection simply with solid line so this paper does not describe in detail.
In addition, in according to another embodiment of the invention, track relay state acquiring unit 102 can regularly obtain the state of track relay 107 and give host computer 101 through control module 103 with the feedback of status of being obtained; Track relay state acquiring unit 102 also can regularly obtain the state of track relay 107 and this state is fed back to host computer 101 through control module 103 under the control of control module 103.Host computer 101 then can through wired (for example; Twisted-pair feeder, concentric cable, optical fiber etc.) or the mode of radio communication the state of the track relay that receives 107 is uploaded to server etc., thereby make the railroader can understand the state of track relay 107 in real time.
As shown in Figure 4; It schematically shows the circuit diagram of track relay state acquiring unit 102, and this track relay state acquiring unit 102 comprises resistor R 1, resistor R 2, resistor R 3 and optocoupler G1, wherein; One end of resistor R 1 is connected to power Vcc through the node R elay0 of repeater relay 303; The public terminal of resistor R 1 and resistor R 2 is connected to the terminal 1 of optocoupler G1, the other end ground connection of resistor R 2, and resistor R 3 one termination power Vcc, the other end are connected to the terminal 2 of optocoupler G1; Terminal 4 ground connection of optocoupler G1, the terminal 2 of optocoupler G1 is as the lead-out terminal V of track relay state acquiring unit 102
0The principle of work of track relay state acquiring unit 102 shown in Figure 4 is: when the node R elay0 of repeater relay 303 closure, and lead-out terminal V
0Output level be low level, and when the node R elay0 of repeater relay 303 breaks off, lead-out terminal V
0Output level be high level.
Certainly; Track relay state acquiring unit 102 also can adopt circuit as shown in Figure 5; The difference of circuit shown in Figure 5 and circuit shown in Figure 4 is resistor R 3 between the terminal 4 and ground of optocoupler G1, and the terminal 4 of optocoupler G1 is as the lead-out terminal V of track relay state acquiring unit 102
0Like this, when the node R elay0 of repeater relay 303 closure, lead-out terminal V
0Output level be high level, and when the node R elay0 of repeater relay 303 breaks off, lead-out terminal V
0Output level be low level.
Describe control method in detail below in conjunction with Fig. 6 according to control track relay of the present invention; Wherein said track relay is two relays of binary; Two relays of said binary comprise track coil and local coil; Said track coil is by the power supply of track power supply, and said local coil is supplied power by locally supplied power source, and this method comprises:
S51: receive about the current seizure condition or the information of idle condition of being in of track section;
S52: based on the current power supply that is in seizure condition or the said locally supplied power source of the information Control of idle condition to said local coil of track section; And
S53, obtain the current state of said track relay, and be in seizure condition or the information of idle condition judges whether the state of said track relay successfully changes based on track section is current.
More than provided according to preferred implementation of the present invention with the mode of example, but it will be appreciated by those skilled in the art that under the situation that does not deviate from spirit and scope of the invention; Can carry out various modifications and distortion to the present invention; For example, the example that track power supply 105 provides above being not limited to locally supplied power source 104, they can be the power supplys of arbitrarily suitable type; For example, locally supplied power source 104 is the AC power of 18V for the power supply track power supply of 110V, 25Hz.Certainly, it is to be further understood that 110V, 25Hz power supply and 18V AC power only are examples, according to the difference of the parameter of binary two Bit Track relays, the power supply of other numerical value also is desirable.In addition; Be not only applicable to two relays of above-mentioned binary according to control system of the present invention and control method; But also the relay that is applicable to other types (for example; Rectifier relay), in the time will being applied to rectifier relay (for example JZXC-480 type relay), can electric-controlled switch 106 be arranged between the coil of power supply and rectifier relay of rectifier relay according to control system of the present invention and control method; Thereby control the power supply of power supply through electric-controlled switch 106, to realize control to rectifier relay to the coil of rectifier relay.
Claims (6)
1. control system of controlling track relay; Said track relay is two relays of binary, and two relays of said binary comprise track coil and local coil, and said track coil is supplied power by the track power supply; Said local coil is supplied power by locally supplied power source; Wherein, this control system comprises host computer, control module, electric-controlled switch and track relay state acquiring unit, and said electric-controlled switch is controlled the power supply of said locally supplied power source to said local coil; Said control module is electrically connected with said track relay state acquiring unit and said host computer respectively, wherein:
Said host computer is used to receive about the current seizure condition or the information of idle condition of being in of track section, correspondingly sends the order that makes said electric-controlled switch break off or connect to said control module based on current seizure condition or the information of idle condition of being in of track section;
Said control module breaks off based on the said electric-controlled switch of making of receiving from said host computer or the break-make of said electric-controlled switch is controlled in the order of connecting, and receives the current state of the said track relay that said track relay state acquiring unit obtained and said current state is fed back to said host computer;
Said host computer also judges based on current seizure condition or the information of idle condition of being in of track section whether the state of said track relay successfully changes.
2. control system according to claim 1, wherein, this control system also comprises the CC that is connected between said control module and the said electric-controlled switch.
3. control system according to claim 1, wherein, said track power supply is for providing the power supply that makes said track relay connect required electric current.
4. according to the described control system of each claim among the claim 1-3, wherein, said control system also comprises the hand switch parallelly connected with said electric-controlled switch.
5. control system according to claim 4; Wherein, Said control system also comprises repeater relay; Said track relay state acquiring unit is used for obtaining through the state of gathering said repeater relay the state of said track relay, and the state that gets access to is sent to said control module.
6. control method of controlling track relay; Said track relay is two relays of binary, and two relays of said binary comprise track coil and local coil, and said track coil is supplied power by the track power supply; Said local coil is supplied power by locally supplied power source, and this method comprises:
Reception is about the current seizure condition or the information of idle condition of being in of track section;
Be in seizure condition or the information of idle condition is controlled the power supply of said locally supplied power source to said local coil based on track section is current; And
Obtain the current state of said track relay, and judge based on current seizure condition or the information of idle condition of being in of track section whether the state of said track relay successfully changes.
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| CN201210019927.0A CN102541024B (en) | 2012-01-20 | 2012-01-20 | A kind of control system and control method controlling track relay |
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| CN201210019927.0A CN102541024B (en) | 2012-01-20 | 2012-01-20 | A kind of control system and control method controlling track relay |
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| CN102541024B CN102541024B (en) | 2016-02-03 |
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Cited By (6)
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| CN104527725A (en) * | 2014-05-23 | 2015-04-22 | 成都睿感科技有限公司 | System for solving poor shunting of in-station track circuit section based on distance measuring sensors |
| CN107561984A (en) * | 2017-09-05 | 2018-01-09 | 广州日滨科技发展有限公司 | The control system and its control method of a kind of support apparatus |
| CN109477845A (en) * | 2016-07-21 | 2019-03-15 | 西门子医疗保健诊断公司 | The system and method that automation track is monitored and is safeguarded based on condition |
| CN109969230A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Track circuit and orbit occupancy detection method for monorail track |
| CN110531652A (en) * | 2019-07-31 | 2019-12-03 | 北京西南交大盛阳科技有限公司 | Small rail state control circuit and its driving method |
| CN110764438A (en) * | 2018-07-25 | 2020-02-07 | 南京市嘉隆电气科技有限公司 | Control signal method based on solid-state relay |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104527725A (en) * | 2014-05-23 | 2015-04-22 | 成都睿感科技有限公司 | System for solving poor shunting of in-station track circuit section based on distance measuring sensors |
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| CN109477845A (en) * | 2016-07-21 | 2019-03-15 | 西门子医疗保健诊断公司 | The system and method that automation track is monitored and is safeguarded based on condition |
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| CN107561984A (en) * | 2017-09-05 | 2018-01-09 | 广州日滨科技发展有限公司 | The control system and its control method of a kind of support apparatus |
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| CN109969230A (en) * | 2017-12-28 | 2019-07-05 | 比亚迪股份有限公司 | Track circuit and orbit occupancy detection method for monorail track |
| CN110764438A (en) * | 2018-07-25 | 2020-02-07 | 南京市嘉隆电气科技有限公司 | Control signal method based on solid-state relay |
| CN110531652A (en) * | 2019-07-31 | 2019-12-03 | 北京西南交大盛阳科技有限公司 | Small rail state control circuit and its driving method |
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