CN221498024U - Travel traffic monorail turnout protection system - Google Patents
Travel traffic monorail turnout protection system Download PDFInfo
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- CN221498024U CN221498024U CN202420441264.XU CN202420441264U CN221498024U CN 221498024 U CN221498024 U CN 221498024U CN 202420441264 U CN202420441264 U CN 202420441264U CN 221498024 U CN221498024 U CN 221498024U
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Abstract
The utility model relates to a travel traffic monorail turnout protection system which comprises a turnout position acquisition device, a signal interlocking device, a turnout position signal marking device, vehicle-mounted turnout position signal communication equipment and vehicle-mounted turnout position signal processing equipment, wherein the turnout position signal processing equipment is used for processing turnout position signals of the turnout; the turnout position acquisition device judges the position state of the turnout after the turnout is in place and sends a signal to the signal interlocking device; the signal interlocking device receives the signal and the switch in-place signal generated by the switch control device, judges whether the switch is in place or not, and sends an allowed or forbidden passing signal; the turnout position signal marking device receives, stores and transmits the signal transmitted by the signal interlocking device; when a vehicle passes through the turnout position signal marking device, the vehicle-mounted turnout position signal communication equipment receives a signal sent by the vehicle-mounted turnout position signal communication equipment; the vehicle-mounted turnout position signal processing equipment receives signals sent by the vehicle-mounted turnout signal communication equipment, generates permission or prohibition traffic signals and sends the permission or prohibition traffic signals to the vehicle control system. The protection system is reliable in operation and low in cost.
Description
Technical Field
The utility model belongs to the technical field of rail transit in a single-rail mode, and particularly relates to a single-rail turnout protection system for travel traffic.
Background
The travel rail transit is a rail transit system taking travel connection, passenger collection and distribution, sightseeing travel and connecting scenic spots as main functions, is a traffic form meeting the travel demands of increasingly growing travel passenger flows, and has low investment, low transportation quantity, low speed and low safety requirements compared with the traditional urban rail transit, but has higher requirements on return on investment, maintenance difficulty and device universality. The current travel track traffic turnout protection system generally adopts a signal system of a traditional track traffic system, and adopts a transponder, a trackside electronic unit or special equipment such as a shaft counter and the like, so that the investment cost is high, the maintenance difficulty is high, and the universality of the special equipment is poor.
The invention patent with the publication number of CN110158372B provides a turnout protection device and a turnout, and relates to the turnout protection device; when the protective shaft is in an extending state, the rail vehicle is prevented from advancing; allowing the rail vehicle to advance if the protective shaft is in a contracted state; the turnout protection adopts a hard collision mode to achieve the turnout protection effect, and the protection shaft, the vehicle and the like are often damaged after the protection function of the turnout protection is effective.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a single track switch protection system for travel traffic. The technical problems to be solved by the utility model are realized by the following technical scheme:
A travel transportation monorail switch protection system comprising: the system comprises a turnout position acquisition device, a signal interlocking device, a turnout position signal marking device, a vehicle-mounted turnout position signal communication device and a vehicle-mounted turnout position signal processing device; wherein,
The turnout position acquisition device is arranged at the joint of the turnout beam and the track beam, and is used for judging the position state of the turnout after the turnout is switched in place and sending the position state signal to the signal interlocking device;
The signal interlocking device is respectively connected with the turnout signal interface and the turnout position acquisition device and is used for receiving the position state signal and the switch in-place signal generated by the turnout control device, processing the received two signals, judging whether the turnout is in place or not, and transmitting a turnout area permission or prohibition passing signal;
The turnout position signal marking devices are respectively arranged on three track beams of the turnout area and are connected with the signal interlocking device, and are used for receiving, storing and transmitting turnout area permission or prohibition traffic signals transmitted by the signal interlocking device;
The vehicle-mounted turnout position signal communication equipment is used for receiving turnout zone permission or prohibition traffic signals sent by the turnout position signal marking device when a vehicle passes through the turnout position signal marking device;
The vehicle-mounted turnout position signal processing equipment is connected with the vehicle-mounted turnout signal communication equipment and is used for receiving the turnout zone permission or prohibition traffic signal sent by the vehicle-mounted turnout position signal communication equipment, generating a vehicle permission or prohibition traffic signal after processing, and sending the vehicle permission or prohibition traffic signal to the vehicle control system.
Further, the switch area allows or prohibits the passing signal to be divided into two paths, the number of the switch position signal marking devices is two, and the number of the vehicle-mounted switch position signal communication devices is two; the two turnout position signal marking devices respectively receive a turnout zone permission or prohibition traffic signal, and when the two vehicle-mounted turnout position signal communication devices pass through the two turnout position signal marking devices, the two turnout position signal marking devices respectively transmit turnout zone permission or prohibition traffic signals; the two vehicle-mounted turnout position signal communication devices receive the permission or forbidden pass signals of the turnout areas which are less than or equal to four and send the permission or forbidden pass signals to the vehicle-mounted turnout position signal processing device, and after the vehicle-mounted turnout position signal processing device processes all the signals which are the permission pass signals of the turnout areas, the permission pass signals are output to a vehicle control system, and if one turnout area forbidden pass signal exists, the forbidden pass signals are output to the vehicle control system.
Further, the turnout position acquisition devices are arranged in three groups and are respectively positioned at a straight line position, a turnout end and a curve position; when the straight-line turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device at the same time, the straight-line turnout is indicated to be in place; when the curve position turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device at the same time, the turnout curve is switched in place.
Further, the turnout position acquisition device comprises a proximity switch fixed at the end part of the turnout beam and a metal detection body fixed at the end part of the track beam, and the metal detection body is opposite to the induction surface of the proximity switch.
Further, the turnout position signal marking device consists of an RFID transceiver and an RFID reader-writer.
Further, the metal detector is arranged in two groups side by side with the proximity switch.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can achieve the following beneficial effects through the travel traffic monorail turnout protection system:
1. Generating two paths of turnout position state signals through a turnout signal interface and a turnout position acquisition device, generating two paths of turnout zone allowed traffic signals or forbidden traffic signals after carrying out 1oo2 unequal safety evaluation through a signal interlocking device, and sending the signals to a two paths of turnout position signal marking device, wherein the two paths of turnout position signal marking device is communicated with two paths of vehicle-mounted turnout position signal communication equipment through an RFID technology, so that a vehicle can acquire four turnout zone allowed traffic signals or forbidden traffic signals at most, and even if the turnout zone allowed traffic signals or forbidden traffic signals cannot be acquired respectively due to factors such as communication failure, the situation that the whole vehicle system can acquire whether the turnout zone is allowed or not can be ensured, and the safety of the vehicle passing through the turnout zone is improved;
2. The protection system can finish the vehicle without stopping and decelerating in the information exchange process, so that the high efficiency of the vehicle passing through the turnout area is ensured;
3. The turnout position signal marking device is composed of universal devices, and has the advantages of reliable work, simple structure and low cost.
Drawings
FIG. 1 is a schematic diagram of the structural principle of the present utility model;
FIG. 2 is a schematic illustration of the arrangement of the present utility model;
FIG. 3 is a schematic view of a switch position acquisition device;
fig. 4 is a schematic structural view of a switch position signal marking device.
Reference numerals illustrate:
1-a turnout position acquisition device; 2-signal interlocking device; 3-switch position signal marking device; 4-vehicle-mounted turnout position signal communication equipment; 5-vehicle-mounted turnout position signal processing equipment; 6-switch signal interface; 7-turnout beams; 8-track beams; 9-a vehicle control system; 1-1-a first proximity switch; 1-2-a second proximity switch; 1-3-a first metal detector; 1-4-second metal detector; a 3-1-RFID transceiver; 3-2-RFID reader-writer; 3-3-scaffold.
Detailed Description
The present utility model will be described in further detail with reference to specific examples, but embodiments of the present utility model are not limited thereto.
Referring to fig. 1 to fig. 4, the embodiment of the utility model provides a protection system for a single track switch of travel traffic, which specifically includes: the system comprises a turnout position acquisition device 1, a signal interlocking device 2, a turnout position signal marking device 3, a vehicle-mounted turnout position signal communication device 4 and a vehicle-mounted turnout position signal processing device 5.
The turnout position acquisition module 1 is arranged at the joint of the turnout beam and the track beam, and is used for judging the position state of the turnout after the turnout is switched in place and transmitting the position state signal to the signal interlocking device 2 through the industrial Ethernet; meanwhile, the switch signal interface 6, namely a circuit interface of the switch control system for outputting switch position state signals, outputs switch in-place signals, and simultaneously sends the switch in-place signals to the signal interlocking device 2 through the industrial Ethernet, wherein the switch position state signals and the switch in-place signals are unequal switch signals.
The turnout position acquisition device 1 is characterized in that 3 groups of turnouts are arranged at each group of turnouts and are respectively positioned at a turnout-in end, a straight line position and a curve position; each group comprises two turnout position acquisition devices, and specifically comprises a first proximity switch 1-1 and a second proximity switch 1-2 which are fixed at the end part of a single-track turnout beam 7, a first metal detection body 1-3 and a second metal detection body 1-4 which are fixed at the end part of a track beam 8, wherein the two proximity switches and the two metal detection bodies are arranged side by side left and right, the first metal detection body 1-3 is matched with the induction surface of the first proximity switch 1-1, the second metal detection body 1-4 is matched with the induction surface of the second proximity switch 1-2 to form a turnout position state signal, namely, after the turnout is switched into place, the single-track turnout beam 7 is aligned with the track beam 8, when a vehicle passage is formed, the two proximity switches are respectively opposite to the corresponding metal detection bodies, and each proximity switch outputs the turnout position state signal. The formation of the switch position state signals requires that two switch position acquisition devices 1 in each group output switch beam 7 in-place signals at the same time, namely when two proximity switches detect signals, the completion of all switches of the switch can be confirmed, and the switch beam 7 is aligned and connected with a track beam 8 to form a vehicle passage; when the straight-line turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device 2 at the same time, the straight-line turnout is indicated to be in place; when the curve position turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device at the same time, the turnout curve is indicated to be switched in place.
The signal interlocking device 2 is respectively in communication connection with the turnout signal interface 6 and the turnout position acquisition device 1, and is used for receiving turnout position state signals sent by the turnout position acquisition device 1 and turnout switch in-place signals generated by the turnout control device, judging whether turnout switches in place or not and generating two identical turnout zone passing-enabling signals or passing-disabling signals after logic operation, sending the two turnout zone passing-enabling signals or the passing-disabling signals to the turnout position signal marking device 3, and carrying out nonvolatile storage in the turnout position signal marking device 3. The signal interlocking device 2 mainly comprises safety PLC equipment.
The signal interlocking device 2 carries out 1oo2 unequal safety evaluation on the switch position state signal and the switch in-place signal, when the switch position state signal and the switch in-place signal detect that the switch is completed, the switch zone permission traffic signal can be output, and when any one or both of the switch position state signal 1 and the switch position state signal 2 does not detect that the switch is completed, the switch zone prohibition traffic signal is output.
The turnout position signal marking devices 3 are respectively arranged on three track beams 8 of a turnout zone, are connected with the signal interlocking devices 2 through industrial Ethernet, and are used for receiving and storing a turnout zone passing permission signal or a passing prohibition signal sent by the signal interlocking devices 2 and sending the signal to the vehicle-mounted turnout position signal communication equipment 4 on the railway vehicle when the railway vehicle passes through.
Specifically, the turnout position signal marking device 3 comprises an RFID transceiver 3-1 and an RFID reader-writer 3-2; the RFID transceiver 3-1 and the RFID reader-writer 3-2 are fixed on a track beam 8 with three positions in front and back of a turnout zone through a bracket 3-3, a group of 2 turnout position signal marking devices 3 are arranged at each position, and the two turnout position signal marking devices respectively receive a turnout zone passing enabling or disabling signal.
Specifically, the two-way switch area permission traffic signal or the traffic prohibition signal sent from the signal interlocking device 2 is respectively transmitted to the 2 RFID readers 3-2 of each group of switch position signal marking devices 3 through the industrial Ethernet, then the traffic signals are written into the corresponding RFID transceiver 3-1 through the RFID reader 3-2 in an RFID mode, and then the traffic signals are sent to the corresponding vehicle-mounted switch position signal communication equipment 4 through the RFID transceiver 3-1. The RFID transceiver 3-1 has a nonvolatile storage characteristic, and can store the switch area permission or prohibition traffic signals even if power is cut off, that is, the on-vehicle switch position signal communication device 4 can effectively transmit the switch area permission or prohibition traffic signals when communicating with the on-vehicle switch position signal communication device through RFID mode regardless of whether the switch position signal marking device 3 is in an electrified state or a power-off state after receiving signals.
The vehicle-mounted turnout position signal communication equipment 4 is used for receiving two-way turnout zone passing permission signals or passing prohibition signals sent by the turnout position signal marking device 3 when a vehicle passes through the turnout position signal marking device 3; the two vehicle-mounted turnout position signal communication devices 4 are RFID readers, the vehicles enter the turnout zone from any direction, the vehicles firstly pass through the turnout position signal marking devices 3 before entering, and when passing through the two turnout position signal marking devices 3, the two vehicle-mounted turnout position signal communication devices 4 arranged on the vehicles respectively communicate with the vehicles in an RFID mode, namely, the turnout zone permission or prohibition passing signals respectively sent by the two turnout position signal marking devices are received; therefore, the two vehicle-mounted turnout position signal communication devices 4 can receive the four turnout zone permission or prohibition traffic signals at most, and even if the permission or prohibition traffic signals of the turnout zone cannot be acquired due to factors such as RFID communication failure, the maximum probability of acquiring the permission or prohibition traffic signals of the turnout zone of the whole vehicle system can be ensured, so that the safety of vehicles passing through the turnout zone is improved.
The vehicle-mounted turnout position signal communication equipment 4 reads the turnout zone permission or prohibition traffic signals and carries out logic operation, and then sends the turnout zone permission or prohibition traffic signals to the vehicle-mounted turnout position signal processing equipment 5 through the industrial Ethernet, the vehicle-mounted turnout position signal processing equipment 5 is a vehicle-mounted controller, the vehicle-mounted turnout position signal processing equipment 5 receives at most four turnout zone permission or prohibition traffic signals, and if the received signals are all turnout zone permission traffic signals, the vehicle-mounted turnout position signal processing equipment outputs permission traffic signals and sends the permission traffic signals to the vehicle control system 9 through the industrial Ethernet; if a switch area no-pass signal exists in the received signal, the no-pass signal is output and sent to the vehicle control system 9 through the industrial Ethernet, so that the railway vehicle is controlled, the minimum distance between any switch position signal marking device in each group and the switch is required to be larger than the braking distance of the railway vehicle, and when the no-pass signal is received by the railway vehicle, the railway vehicle can brake before the switch area, and unsafe accidents are avoided.
Except that the RFID reader-writer 3-2 in the turnout position signal marking device 3 and the RFID transceiver 3-1 as well as the turnout position signal marking device 3 and the vehicle-mounted turnout position signal communication equipment 4 use RFID technology for information exchange, the rest signal transmission processes are completed by using an industrial Ethernet with function safety, and particularly a PROFIsafe communication protocol is used.
The working process of the protection system is as follows:
The method comprises the steps that a turnout position state signal and a turnout switch in-place signal are respectively generated through a turnout position acquisition device 1 and a turnout signal interface 6 and are sent to a signal interlocking device 2 through a PROFlsafe communication protocol, after the two signals are subjected to 1oo2 unequal safety evaluation, two turnout zone passing permission signals or passing prohibition signals are generated by the signal interlocking device 2, and the two signals are sent to two turnout position signal marking devices 3 through a PROFlsafe communication protocol, and the turnout position signal marking devices 3 are subjected to nonvolatile storage; before a vehicle enters a turnout zone, two vehicle-mounted turnout position signal communication devices 4 communicate with the turnout position signal marking devices 3 in an RFID mode when passing through the turnout position signal marking devices, an RFID technology is used for reading signals stored by the turnout position signal marking devices and sending the signals to a vehicle-mounted turnout position signal processing device 5 through a PROFlsafe communication protocol, the vehicle-mounted turnout position signal processing device 5 receives two paths of signals and judges the two paths of signals, and if the two paths of signals are allowed to pass signals, an allowed pass signal is output to a vehicle control system 9 to control the vehicle to safely pass through the turnout zone; if at least one no-pass signal exists, the no-pass signal is output to the vehicle control system 9 to control the vehicle to brake outside the turnout zone, so that the turnout zone protection function of the tourism rail transit system is achieved.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (6)
1. A travel traffic monorail switch protection system, comprising: the system comprises a turnout position acquisition device, a signal interlocking device, a turnout position signal marking device, a vehicle-mounted turnout position signal communication device and a vehicle-mounted turnout position signal processing device; wherein,
The turnout position acquisition device is arranged at the joint of the turnout beam and the track beam, and is used for judging the position state of the turnout after the turnout is switched in place and sending the position state signal to the signal interlocking device;
The signal interlocking device is respectively connected with the turnout signal interface and the turnout position acquisition device and is used for receiving the position state signal and the switch in-place signal generated by the turnout control device, processing the received two signals, judging whether the turnout is in place or not, and transmitting a turnout area permission or prohibition passing signal;
The turnout position signal marking devices are respectively arranged on three track beams of the turnout area and are connected with the signal interlocking device, and are used for receiving, storing and transmitting turnout area permission or prohibition traffic signals transmitted by the signal interlocking device;
The vehicle-mounted turnout position signal communication equipment is used for receiving turnout zone permission or prohibition traffic signals sent by the turnout position signal marking device when a vehicle passes through the turnout position signal marking device;
The vehicle-mounted turnout position signal processing equipment is connected with the vehicle-mounted turnout position signal communication equipment, and is used for receiving the turnout zone permission or prohibition traffic signal sent by the vehicle-mounted turnout position signal communication equipment, generating a vehicle permission or prohibition traffic signal after processing, and sending the vehicle permission or prohibition traffic signal to the vehicle control system.
2. The single track switch protection system for travel traffic as claimed in claim 1, wherein said switch area allows or prohibits traffic signals to be split into two paths, said switch position signal marking means is provided in two, and said on-board switch position signal communication device is provided in two; the two turnout position signal marking devices respectively receive a turnout zone permission or prohibition traffic signal, and when the two vehicle-mounted turnout position signal communication devices pass through the two turnout position signal marking devices, the two turnout position signal marking devices respectively transmit turnout zone permission or prohibition traffic signals; the two vehicle-mounted turnout position signal communication devices receive the permission or forbidden pass signals of the turnout areas which are less than or equal to four and send the permission or forbidden pass signals to the vehicle-mounted turnout position signal processing device, and after the vehicle-mounted turnout position signal processing device processes all the signals which are the permission pass signals of the turnout areas, the permission pass signals are output to a vehicle control system, and if one turnout area forbidden pass signal exists, the forbidden pass signals are output to the vehicle control system.
3. The travel traffic monorail switch protection system of claim 1, wherein the switch position acquisition devices are arranged in three groups, which are respectively positioned at a straight line position, a fork-in end and a curve position; when the straight-line turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device at the same time, the straight-line turnout is indicated to be in place; when the curve position turnout position acquisition device and the turnout position acquisition device at the turnout-in end send turnout position state signals to the signal interlocking device at the same time, the turnout curve is switched in place.
4. A travel transportation monorail switch protection system as defined in claim 1 or 3, wherein said switch position acquisition means comprises a proximity switch secured to the end of the switch beam and a metal detector secured to the end of the track beam, and wherein the metal detector is opposite the sensing surface of said proximity switch.
5. The system according to claim 1 or 2, wherein the switch position signal marking device comprises an RFID transceiver and an RFID reader.
6. The travel monorail switch protection system of claim 4, wherein said metal detector is disposed side-by-side with said proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420441264.XU CN221498024U (en) | 2024-03-07 | 2024-03-07 | Travel traffic monorail turnout protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420441264.XU CN221498024U (en) | 2024-03-07 | 2024-03-07 | Travel traffic monorail turnout protection system |
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| Publication Number | Publication Date |
|---|---|
| CN221498024U true CN221498024U (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420441264.XU Active CN221498024U (en) | 2024-03-07 | 2024-03-07 | Travel traffic monorail turnout protection system |
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| CN (1) | CN221498024U (en) |
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- 2024-03-07 CN CN202420441264.XU patent/CN221498024U/en active Active
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