CN218632478U - Grounding system capable of meeting track circuit test and intelligent train operation protection - Google Patents
Grounding system capable of meeting track circuit test and intelligent train operation protection Download PDFInfo
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- CN218632478U CN218632478U CN202222329123.2U CN202222329123U CN218632478U CN 218632478 U CN218632478 U CN 218632478U CN 202222329123 U CN202222329123 U CN 202222329123U CN 218632478 U CN218632478 U CN 218632478U
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Abstract
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system, include: the train test track comprises a plurality of tracks in different sections, the tracks in each section are connected through an insulating joint, a track circuit is arranged on each track in each section, and each track circuit is connected with a grounding on-off device through a grounding wire; and the grounding on-off device is connected with a grounding end and used for determining to be connected or disconnected with the grounding end according to different working condition requirements. The utility model discloses a to constitute the track of the experimental orbital a plurality of different district sections of train and separate through insulating festival to be connected the track of every district section with the ground connection on-off device through a earth connection respectively, through the break-make of control ground connection on-off device, with the experimental track ground connection requirement of train that satisfies under the different operating mode demand (for example train operation test and track circuit test).
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a satisfy grounding system of track circuit test and intelligent train operation protection.
Background
Train test tracks in various pilot test sites in the field of rail transit need to be equipped with various rail transit test software and hardware and various services so as to complete tests on different working condition requirements.
The grounding requirements of the train test tracks with different working condition requirements conflict, and how to meet the grounding requirements of the train test tracks with different working condition requirements is a technical problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a satisfy experimental and intelligent train operation protection's of track circuit grounding system for overcome the above-mentioned problem that exists among the above-mentioned prior art, separate through the insulating festival that will constitute the track of a plurality of different districts of train test track, and be connected the track of every district with the ground connection on-off device through an earth connection respectively, break-make through control ground connection on-off device, in order to satisfy the experimental track ground connection requirement of train under the different operating mode demand (for example train operation test and track circuit test).
The utility model provides a pair of satisfy track circuit test and intelligent train operation protection's ground system, include:
the train test track comprises a plurality of tracks in different sections, the tracks in each section are connected through an insulating joint, a track circuit is arranged on each track in each section, and each track circuit is connected with a grounding on-off device through a grounding wire;
and the grounding on-off device is connected with a grounding end and used for determining to be connected or disconnected with the grounding end according to different working condition requirements.
According to the utility model provides a pair of satisfy experimental and intelligent train operation protection's of track circuit grounding system, the experimental track of train adopts the double-line rail to lay and forms.
According to the utility model provides a pair of satisfy the experimental and intelligent ground system of train operation protection of track circuit the operating mode demand does under the condition that has the train of operation on the experimental track of train, the switch-on ground connection break-make device, will ground connection break-make device with the earthing terminal is connected.
According to the utility model provides a pair of satisfy the experimental and intelligent train operation protection's of track circuit grounding system the operating mode demand is right under the condition that track circuit carries out the test, the disconnection grounding on-off device, will grounding on-off device with the earthing terminal disconnection.
According to the utility model provides a pair of satisfy the experimental and intelligent train operation protection's of track circuit grounding system, track circuit is built by track power, current limiter and track relay and is formed.
According to the utility model provides a pair of satisfy experimental and intelligent train operation protection's of track circuit grounding system, the track power, include:
a direct current power supply or an alternating current power supply.
According to the utility model provides a pair of railcar satisfies the experimental and intelligent train operation protection's of track circuit grounding system, ground connection break-make device, include:
a switch or switch.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system separates through the insulating festival that will constitute a plurality of different sections of experimental orbital of train to be connected the track of every section with the ground connection break-make device through a earth connection respectively, through the break-make of control ground connection break-make device, with the experimental track ground connection requirement of train that satisfies under the different operating mode demands (for example train operation test and track circuit test).
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is one of the schematic structural diagrams of the grounding system satisfying the track circuit test and the intelligent train operation protection provided by the present invention;
fig. 2 is a second schematic structural diagram of the grounding system satisfying the track circuit test and the intelligent train operation protection provided by the present invention;
fig. 3 is a schematic structural diagram of a track circuit provided by the present invention.
Reference numerals:
10: a train test track; 11: a track circuit; 12: a ground line;
13: a ground on-off device; 14: a ground terminal; 15: a train;
110: a rail power supply; 111: a current limiter; 112: a track relay.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is one of the structural schematic diagrams of the grounding system who satisfies track circuit test and intelligent train operation protection, as shown in fig. 1, this grounding system who satisfies track circuit test and intelligent train operation protection includes:
the train test track 10 comprises a plurality of tracks in different sections, the tracks in each section are connected through an insulating joint, a track circuit 11 is arranged on each track in each section, and each track circuit 11 is connected with a grounding on-off device 13 through a grounding wire 12;
the grounding on-off device 13 is connected to a grounding terminal 14, and is configured to determine to turn on or off the connection to the grounding terminal 14 according to different working condition requirements.
Optionally, the utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system can specifically include, experimental track 10 of train, track circuit 11, earth connection 12, ground connection on-off device 13 and earthing terminal 14.
The track circuit 11 is disposed on the train test track 10 and connected to the train test track 10.
Referring to fig. 2, in an embodiment, the train test track 10 may specifically include:
a plurality of different sections of track, each section of track having one of said track circuits 11 disposed therein.
Alternatively, as shown in fig. 2, in order to test the track circuit 11, the train test track 10 is divided into six different sections of tracks, G1, G2, 1DG, G3, G5, G7, and one track circuit 11 is disposed in each section of tracks.
The grounding requirements of different working condition requirements (such as train operation tests and track circuit tests) under the tracks of different sections can be met by dividing the train test track into different sections.
In one embodiment, the tracks of each section are connected by insulated joints.
Optionally, an insulating joint is disposed between the tracks of each segmented section, and the tracks of different sections are connected through the insulating joint between the tracks of the respective sections, so as to prevent the tracks of different sections from conducting electricity.
The train test rail 10 is connected to a ground connection switching device 13 via a ground line 12.
In one embodiment, the ground wire 12 may be deployed on the train test track 10.
The ground on-off device 13 is connected to the ground terminal 14, and the ground on-off device 13 is used for determining whether the connection with the ground terminal 14 needs to be switched on/off according to different working condition requirements.
Alternatively, as shown in fig. 2, the train test track 10 is divided into six different sections of tracks, G1, G2, 1DG, G3, G5 and G7, a ground wire 12 is laid on each section of track, and the ground wire 12 laid through each section of track is connected with the track circuit 11 disposed thereon.
When the ground switch 13 is turned on, the train test track 10- > the ground line 12- > the ground switch 13- > the ground terminal 14 forms a path, and the train test track 10 is grounded.
When the ground on-off device 13 is turned on, the train test track 10- > the ground line 12- > the ground on-off device 13- > the ground terminal 14 forms an open circuit (mainly, the open circuit between the ground on-off device 13- > the ground terminal 14), and at this time, the train test track 10 is not grounded.
In one embodiment, when a working condition requirement test requiring grounding of the train test track 10 is performed, the grounding on-off device 13 can be controlled to be connected, so that a path is formed between the train test track 10- > the grounding wire 12- > the grounding on-off device 13- > the grounding end 14, and the test on the working condition requirement of grounding of the train test track 10 is completed.
In one embodiment, when a working condition requirement test requiring that the train test track 10 is not grounded is performed, the grounding on-off device 13 may be controlled to be turned off, so that an open circuit is formed in the train test track 10- > the grounding line 12- > the grounding on-off device 13- > the grounding end 14, and the test on the working condition requirement that the train test track 10 is not grounded is completed.
The utility model provides a railcar satisfies the experimental and intelligent train operation protection's of track circuit grounding system, separates through the insulating festival that will constitute a plurality of different district sections of the experimental orbital of train to be connected the track of every district section with the ground connection break-make device through a earth connection respectively, through the break-make of control ground connection break-make device, in order to satisfy the experimental track ground connection requirement of train under the different operating mode demand (for example train operation test and track circuit test).
Further, in one embodiment, the train test track 10 is constructed using a two-track rail.
Alternatively, the train test track 10 is laid using double-track rails.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system, the track is laid to the mode that the railcar track adopted the double-line rail, can guarantee the smooth nature of railcar, reduces the contact with ground, simultaneously, convenient dismantlement.
Further, in an embodiment, when the working condition requirement is that a train 15 runs on the train test track 10, the grounding on-off device 13 is connected, and the grounding on-off device 13 is connected with the grounding end 14.
Optionally, referring to fig. 2, the train 15 uses a vehicle-mounted power battery as power, and requires the track grounding during operation to play a role in protection, specifically, when the train 15 normally operates on the train test track 10, the grounding on-off device is turned on, and the tracks in all sections are grounded to play a role in protection of the train 15.
Through the utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system is unified to be received on grounding on-off device 13 to the earth connection 12 of the track (rail) of every district section. The ground on/off device 13 can control on/off between the ground line 12 and the ground terminal 14.
When the working condition requirement is train operation test, the train test track 10 is required to be grounded, otherwise the track circuit 11 cannot normally work and is grounded, so that the grounding on-off device 13 is switched on, and the track of each section is grounded.
The train 15 is now in a no-leakage protection state. Before the grounding on-off device 13 is disconnected, the train 15 is required to be ensured to be in an unmanned state, and no passenger or train staff is arranged in a carriage, so that no person is ensured to contact the train 15, and electric shock accidents are avoided.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system through putting through ground connection break-make device, with the experimental track ground connection of train to satisfy the ground connection requirement of train operation operating mode demand.
Further, in an embodiment, in a case that the operating condition requirement is to test the track circuit 11, the ground on-off device 13 is disconnected, and the ground on-off device 13 is disconnected from the ground terminal 14.
Alternatively, referring to fig. 2, a train 15 may be run on the train test track 10 through an autonomous sensing or signaling system. The track circuit 11 can be tested by switching on the track power supply.
When the track circuit 11 needs to be tested, the grounding switch device 13 is disconnected, and the track of each section is not grounded.
When the track circuit 11 is tested, the train 15 is often in the unmanned mode, passengers and workers are not present in the train, the ground on/off device 13 is turned off, and the train test track 10 is not grounded.
When the track circuit 11 is tested, the power supply of the track is cut off, and the grounding on-off device 13 is connected, so that the track of each section is grounded.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system through disconnection ground connection break-make apparatus, with the experimental track of train and earthing terminal disconnection (the experimental track of train is ungrounded this moment) to satisfy the ground connection requirement of track circuit test operating mode demand.
Referring to fig. 3, further, in one embodiment, the track circuit 11 is constructed from a track power supply 110, a current limiter 111, and a track relay 112.
Optionally, the track of each section is mounted with a track circuit 11, which track circuit 11 may specifically include a track power supply 110, a current limiter 111 and a track relay 112.
When the track circuit 11 is tested, the track of each section cannot be grounded, and if the track of the section is grounded, the track relay 112 cannot operate.
When no train runs in the track of the section, current flows through the track relay 112 from the power supply through the track of the section, the current is excited to drive the contact point, and at the moment, the signal machine of the track of the section immediately displays safe passing. When a train enters a track of a section, the current passes through the axle of the train instead of passing through the track relay 112, the track relay 112 loses magnetism due to the loss of the current, and the signaler immediately displays dangerous resistance forbidding.
The conductor portion of the track circuit 11 includes: steel rail, connecting splint, lead wire, etc. The main track rail can adopt 60kg/M seamless long rail, the rail of the car factory can adopt 50kg/M short rail, and the connecting clamp plate and the connecting line are mainly used for the car factory track, the main track return line, the storage line and the like.
It should be noted that the main track circuit is electrically insulated to realize the division of the track circuit of the adjacent segments. The electrical insulation is that the track circuit 11 deployed on the train test track, such as a return line/a storage line, and the track circuit 11 in a train factory area are divided in a mechanical insulation mode through a frequency selection mode of a resonant tank circuit, the central frequency of the section is transmitted/received, and the mechanical insulation comprises rail end insulation, groove-shaped insulation, an insulating sleeve, an insulating joint and the like.
The power transmission end of the track circuit 11 includes a power transmission power supply, a power transmission (step-down) transformer, a fuse, and the like.
The power receiving end of the track circuit 11 includes a step-up transformer, a connection cable, a track relay 112, and the like.
The current limiter 111 of the track circuit may specifically adopt a current limiting resistor to limit the signal current of the power transmission end, and adjust the amplitude of the signal of the power transmission end.
The rail power supply 110 is connected to a current limiter 111.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system whether can detect train test track automatically, in succession through the track circuit that sets up and occupy by the train to through control signal device or goat device, guarantee driving safety.
Further, in an embodiment, the rail power supply 110 may specifically include:
a direct current power supply or an alternating current power supply.
Alternatively, the rail power supply 110 may employ a dc power supply, and may also employ an ac power supply.
The track circuit 11 using a dc power supply is referred to as a dc track circuit, and the track circuit using an ac power supply is referred to as an ac track circuit.
The types of alternating current track circuits are various, the frequency band is very wide, and the alternating current track circuits can be roughly divided into three sections: low frequency below 300 Hz; medium frequency 300-3000 Hz; high frequency 10-40 kHz.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system whether ground connection through setting up the experimental track of ground connection on-off control train to satisfy the experimental track ground connection requirement of train of different grade type track circuit (for example direct current track circuit and alternating current track circuit) test.
Further, in an embodiment, the ground connection switching device 13 may specifically include:
a switch or switch.
Optionally, the utility model discloses a ground connection on-off device 13 can specifically be switch or switch.
In one embodiment, the train test track is grounded by closing a switch or switch.
In one embodiment, the train test track is ungrounded by opening a switch or switch.
The utility model provides a satisfy the experimental and intelligent train operation protection's of track circuit grounding system whether ground connection through setting up ground connection on-off device (for example electric brake or switch) control train test track to satisfy the experimental track ground connection requirement of train under the different operating mode demands (for example train operation test and track circuit test).
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a satisfy experimental and intelligent train operation protection's of track circuit grounding system which characterized in that includes:
the train test track comprises a plurality of tracks in different sections, the tracks in each section are connected through an insulating joint, a track circuit is arranged on each track in each section, and each track circuit is connected with a grounding on-off device through a grounding wire;
and the grounding on-off device is connected with the grounding end and used for determining to switch on or switch off the connection with the grounding end according to different working condition requirements.
2. The grounding system for meeting the requirements of track circuit tests and intelligent train operation protection as claimed in claim 1, wherein the train test track is laid by using double-line steel rails.
3. The grounding system meeting the requirements of track circuit tests and intelligent train operation protection as claimed in any one of claims 1-2, wherein when the working condition requirement is that a train runs on the train test track, the grounding on-off device is connected to connect the grounding on-off device with the grounding end.
4. The grounding system meeting the requirements of track circuit tests and intelligent train operation protection as set forth in any one of claims 1-2, wherein the grounding on-off device is disconnected and the grounding end is disconnected when the working condition requirement is to test the track circuit.
5. The grounding system for satisfying track circuit test and intelligent train operation protection as claimed in claim 1, wherein said track circuit is constructed by a track power supply, a current limiter and a track relay.
6. The grounding system for meeting the requirements of track circuit tests and intelligent train operation protection as claimed in claim 5, wherein the track power supply comprises:
a dc power supply or an ac power supply.
7. The grounding system satisfying track circuit tests and intelligent train operation protection as claimed in claim 1, wherein said grounding on-off device comprises:
a switch or switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222329123.2U CN218632478U (en) | 2022-09-01 | 2022-09-01 | Grounding system capable of meeting track circuit test and intelligent train operation protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222329123.2U CN218632478U (en) | 2022-09-01 | 2022-09-01 | Grounding system capable of meeting track circuit test and intelligent train operation protection |
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| Publication Number | Publication Date |
|---|---|
| CN218632478U true CN218632478U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222329123.2U Active CN218632478U (en) | 2022-09-01 | 2022-09-01 | Grounding system capable of meeting track circuit test and intelligent train operation protection |
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| CN (1) | CN218632478U (en) |
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- 2022-09-01 CN CN202222329123.2U patent/CN218632478U/en active Active
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