CN112462300A - System and method for monitoring poor shunting of track circuit - Google Patents
System and method for monitoring poor shunting of track circuit Download PDFInfo
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- CN112462300A CN112462300A CN202011256855.2A CN202011256855A CN112462300A CN 112462300 A CN112462300 A CN 112462300A CN 202011256855 A CN202011256855 A CN 202011256855A CN 112462300 A CN112462300 A CN 112462300A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims description 29
- 230000002950 deficient Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 21
- 230000005540 biological transmission Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a system and a method for monitoring poor shunting of a track circuit, wherein the monitoring system comprises: the system comprises a server and at least one monitoring terminal, wherein the server is connected with each monitoring terminal respectively; the monitoring terminal is used for monitoring whether a set track section is occupied or not, wherein the track section comprises a first track and a second track; the monitoring terminal comprises a power supply module, a relay and an information terminal, wherein the anode of the power supply module is connected with the first track through a first cable, and the cathode of the power supply module is connected with the second track through a second cable; the relay is connected with the first cable and the second cable respectively, and the information terminal is connected with the relay. The track circuit shunting fault monitoring system and method provided by the invention can monitor whether the track has shunting faults or not, and improve traffic safety.
Description
Technical Field
The invention belongs to the technical field of track monitoring, relates to a monitoring system, and particularly relates to a system and a method for monitoring poor shunting of a track circuit.
Background
According to incomplete statistics, about 3.6 ten thousand poor shunting sections exist in the current national railways. The section can cause the approach to be mistakenly unlocked in advance due to the fact that the train occupation inspection cannot be completed, and the midway conversion of the turnout is caused, so that accidents such as turnout extrusion, derailment or train side collision are caused, potential safety hazards are brought to railway operation, the railway transportation efficiency is seriously influenced, and the section becomes a great safety technical problem to be solved urgently in the whole road.
The so-called poor shunting of the track circuit is commonly called 'no-press', 'car-lost' or 'white light band', namely: when a train enters a certain track section, the track relay of the corresponding section is still in a sucking-up state or a sucking-time falling state, and at the moment, a green light and a white light are displayed on the corresponding signal lamp and the console in an error manner, so that the track circuit loses the function of checking the occupation state of the track section. When such a situation occurs, train drivers and station dispatchers mistakenly think that no train occupies the section, and carry out driving and route handling operations, thereby causing serious driving accidents such as train collision, squeezing and twisting, derailment and the like.
In view of the above, there is a need to design a new track monitoring method to overcome at least some of the above-mentioned disadvantages of the existing track monitoring methods.
Disclosure of Invention
The invention provides a system and a method for monitoring poor shunting of a track circuit, which can monitor whether the track has poor shunting and improve traffic safety.
In order to solve the technical problem, according to one aspect of the present invention, the following technical solutions are adopted:
a track circuit shunt failure monitoring system, the monitoring system comprising: the system comprises a server and at least one monitoring terminal, wherein the server is connected with each monitoring terminal respectively;
the monitoring terminal is used for monitoring whether a set track section is occupied or not, wherein the track section comprises a first track and a second track;
the monitoring terminal comprises a power supply module, a relay and an information terminal, wherein the anode of the power supply module is connected with the first track through a first cable, and the cathode of the power supply module is connected with the second track through a second cable;
the relay is respectively connected with the first cable and the second cable, and the information terminal is connected with the relay;
when no other connecting line exists between the track sections, current flows through the relay to enable the relay to be electrified and closed, so that the information terminal does not execute any action or can execute a first action;
when there are other connections between the track sections, so that no current flows through the relay, the relay is opened so that the information terminal can perform the second action or not perform any action.
As an embodiment of the present invention, the monitoring terminal is respectively connected to at least two track sections, and detects whether there are other connecting lines in the at least two track sections, so as to determine whether there is a vehicle parked.
As an embodiment of the present invention, the monitoring terminal further includes a cable detection device, wherein the cable detection device includes a track contact mechanism, a contact switching mechanism, and a current detection circuit;
the track contact mechanism can communicate the first track and the second track of the corresponding track section in a first state; at this time, the first rail, the second rail, the first cable, the second cable and the rail contact mechanism should form a complete loop;
the track contact mechanism is not communicated with the first track and the second track of the corresponding track section in the second state; at the moment, the first rail, the second rail, the first cable, the second cable and the rail contact mechanism form an open circuit;
the contact switching mechanism can adjust the state of the track contact mechanism and can switch the track contact mechanism into a first state or a second state;
the current detection circuit is connected with a resistor and used for detecting whether the corresponding loop has current or not and judging whether the corresponding loop has a fault or not according to the current detection circuit; and under the first state of the track contact mechanism, if the current is not detected, judging that the first cable or/and the second cable has an open circuit.
As an embodiment of the present invention, the cable detection device is connected to at least two track sections, and the cable detection device is connected to the corresponding track sections through switches; at least two track sections can be detected at different times.
In one embodiment of the present invention, the contact switching mechanism includes a rail contact mechanism driving mechanism, and the rail contact mechanism is configured to be able to be driven to a position where it is in contact with the first rail and the second rail, respectively, or where it is not in contact with the first rail and/or the second rail.
As an embodiment of the present invention, the contact switching mechanism includes a solenoid valve provided to the track contact mechanism, and opens and closes the corresponding loop circuit.
As an embodiment of the present invention, the information terminal includes a signal lamp.
According to one aspect of the invention, the following technical scheme is adopted: a monitoring method of the track circuit shunt failure monitoring system, the monitoring method comprising:
the method comprises the steps that a monitoring terminal monitors whether a set track section is occupied or not, wherein the track section comprises a first track and a second track;
when no other connecting line exists between the track sections, current flows through the relay to enable the relay to be electrified and closed, so that the information terminal does not execute any action or can execute a first action;
when there are other connections between the track sections, so that no current flows through the relay, the relay is opened so that the information terminal can perform the second action or not perform any action.
As an embodiment of the present invention, the monitoring method further includes a cable detection step; the method specifically comprises the following steps:
adjusting the state of the track contact mechanism through the contact switching mechanism, and aiming at a set track section, enabling the track contact mechanism to be in a first state;
the current detection circuit is connected with a resistor, detects whether a loop formed by the first track, the second track, the first cable, the second cable and the track contact mechanism has current or not, and judges whether a fault exists in the corresponding loop or not according to the current or not; and if the current is not detected, judging that the first cable or/and the second cable has an open circuit.
The invention has the beneficial effects that: the track circuit shunting fault monitoring system and method provided by the invention can monitor whether the track has shunting faults or not, and improve traffic safety.
Drawings
Fig. 1 is a schematic diagram illustrating a system for monitoring a defective shunt of a track circuit according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of the usage of the monitoring terminal (occupied state) according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating the usage of the monitoring terminal according to an embodiment of the present invention (unoccupied state).
Fig. 4 is a schematic circuit diagram of a central processing unit of a monitoring terminal according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a power circuit of a monitor terminal according to an embodiment of the invention.
Fig. 6 is a schematic circuit diagram of a switching signal acquisition circuit of a monitoring terminal according to an embodiment of the present invention.
Fig. 7 is a schematic circuit diagram of an indicator light control circuit of the monitoring terminal according to an embodiment of the present invention.
Fig. 8 is a schematic circuit diagram of a rail connection frequency shift signal acquisition circuit of a monitoring terminal according to an embodiment of the present invention.
Fig. 9 is a circuit diagram of a frequency shift signal selection circuit of a monitor terminal according to an embodiment of the present invention.
Fig. 10 is a circuit diagram of a data transmission circuit of a monitoring terminal according to an embodiment of the invention.
Fig. 11 is a circuit diagram of a protection circuit of a monitor terminal according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For a further understanding of the invention, reference will now be made to the preferred embodiments of the invention by way of example, and it is to be understood that the description is intended to further illustrate features and advantages of the invention, and not to limit the scope of the claims.
The description in this section is for several exemplary embodiments only, and the present invention is not limited only to the scope of the embodiments described. It is within the scope of the present disclosure and protection that the same or similar prior art means and some features of the embodiments may be interchanged.
The steps in the embodiments in the specification are only expressed for convenience of description, and the implementation manner of the present application is not limited by the order of implementation of the steps. The term "connected" in the specification includes both direct connection and indirect connection.
The invention discloses a track circuit shunt failure monitoring system, fig. 1 is a composition schematic diagram of the track circuit shunt failure monitoring system in an embodiment of the invention, and fig. 2 and fig. 3 are use schematic diagrams of a monitoring terminal in an embodiment of the invention; referring to fig. 1 to 3, the monitoring system includes: the monitoring system comprises a server 200 and at least one monitoring terminal 100, wherein the server 200 is respectively connected with each monitoring terminal 100.
The monitoring terminal 100 is configured to monitor whether a predetermined track segment 300 is occupied, where the track segment 300 includes a first track 301 and a second track 302. The monitoring terminal 100 comprises a power supply module 101, a relay 102 and an information terminal 103, wherein the anode of the power supply module 101 is connected with a first rail 301 through a first cable 104, and the cathode of the power supply module 101 is connected with a second rail 302 through a second cable 105.
The relay 102 is connected to the first cable 104 and the second cable 105, respectively, and the information terminal 103 is connected to the relay 102. When there is no other connection between the track sections 300, a current flows through the relay 102, causing the relay 102 to be energized closed so that the information terminal 103 does not perform any action or can perform the first action. When there are other connections between the track sections 300, so that no current flows through the relay 102, the relay 102 is opened so that the information terminal 103 can perform the second action or not perform any action.
In an embodiment of the present invention, the monitoring terminal 100 is respectively connected to at least two track sections 300, and detects whether there are other connecting lines in the at least two track sections 300, so as to determine whether there is a vehicle parked.
In an embodiment of the present invention, the monitoring terminal 100 further includes a cable detection device 106, and the cable detection device 106 includes a track contact mechanism 1061, a contact switching mechanism 1062, and a current detection circuit 1063.
The track contact mechanism 1061 can communicate the first track 301 and the second track 302 of the corresponding track section 300 in the first state; at this time, the first rail 301, the second rail 302, the first cable 104, the second cable 105 and the rail contact mechanism 1061 should form a complete loop.
In the second state, the track contact mechanism 1061 is not connected between the first track 301 and the second track 302 of the corresponding track segment 300; at this time, the first rail 301, the second rail 302, the first cable 104, the second cable 105, and the rail contact mechanism 1061 form an open circuit. The contact switching mechanism 1062 can adjust the state of the track contact mechanism 1061, and can switch the track contact mechanism 1061 to a first state or a second state.
The current detection circuit 1063 is connected to a resistor (certainly, the resistor may not be connected, or the current detection circuit 1063 includes a resistor), and is connected to the first track 301, the second track 302, the first cable 104, the second cable 105, and the track contact mechanism 1061 to form a loop, so as to detect whether a current exists in the corresponding loop, and thus determine whether a fault exists in the corresponding loop; when the track contact mechanism 1061 is in the first state, if no current is detected, it is determined that there is an open circuit in the first cable 104 or/and the second cable 105.
The current detection circuit 1063 can be connected with the first track and the second track through a third cable, a fourth cable and a switch, and detection can be performed after the switch is closed; of course, the current detection circuit 1063 may also be connected to the first cable or/and the second cable. When in detection, the corresponding track sections are considered to have no other connecting lines; thereby judging whether the first cable or/and the second cable has/has an open circuit. When other connecting lines exist in the corresponding track section, the first cable or/and the second cable cannot be broken (if the broken line exists, the existence of other connecting lines in the corresponding track section cannot be judged).
In one embodiment, the cable detection device 106 is connected to at least two track sections 300, and each track section 300 is connected to a corresponding track section through a switch; at least two track sections 300 can be detected at different times, respectively.
In an embodiment of the present invention, the contact switching mechanism 1062 includes a driving mechanism of the track contact mechanism 1061, and the track contact mechanism 1061 can be driven to be in contact with the first track 301 and the second track 302, or not in contact with the first track 301 and/or the second track 302. In one embodiment, the contact switching mechanism 1062 includes a solenoid valve disposed on the track contact mechanism 1061, and opens and closes the corresponding loop circuit.
The information terminal 103 may include a signal lamp. Fig. 7 is a schematic circuit diagram of an indicator light control circuit of the monitoring terminal according to an embodiment of the present invention; referring to fig. 7, in an embodiment, the information terminal 103 may control the display of the indicator light by using the indicator light control circuit shown in fig. 7. Furthermore, the information terminal 103 may further include an information transmitting device capable of transmitting the setting information to the server or/and the setting mobile terminal.
In an embodiment of the present invention, the monitoring terminal includes a central processing unit, a power supply circuit, a switching signal acquisition circuit, a rail connection frequency shift signal acquisition circuit, a frequency shift signal selection circuit, a data transmission circuit, and a protection circuit, the central processing unit is respectively connected to the switching signal acquisition circuit, the rail connection frequency shift signal acquisition circuit, the frequency shift signal selection circuit, the data transmission circuit, and the protection circuit, and the power supply circuit respectively provides electric energy required for the operation for the central processing unit, the switching signal acquisition circuit, the rail connection frequency shift signal acquisition circuit, the frequency shift signal selection circuit, the data transmission circuit, and the protection circuit.
The frequency shift signal is positioned on the steel rail and needs to be connected to the steel rail for collection; the frequency shift signal selection circuit is used for selecting the frequency of a frequency shift signal, the frequency shift signal has multiple frequencies, and the frequency shift signal selection circuit can select the required frequency.
Fig. 4 is a schematic circuit diagram of a central processing unit of a monitoring terminal according to an embodiment of the present invention, and fig. 5 is a schematic circuit diagram of a power supply circuit of the monitoring terminal according to an embodiment of the present invention; referring to fig. 4 and 5, in an embodiment, the cpu and the power circuit shown in fig. 4 and 5 may be adopted.
The switching signal acquisition circuit is used for acquiring a switching signal, and fig. 6 is a circuit schematic diagram of the switching signal acquisition circuit of the monitoring terminal in an embodiment of the present invention; referring to fig. 6, in an embodiment, the switching signal collecting circuit shown in fig. 6 may be used.
Fig. 8 is a schematic circuit diagram of a rail-connected frequency shift signal acquisition circuit of a monitoring terminal according to an embodiment of the present invention, and fig. 9 is a schematic circuit diagram of a frequency shift signal selection circuit of a monitoring terminal according to an embodiment of the present invention; referring to fig. 8 and 9, in an embodiment of the present invention, the rail shown in fig. 8 and 9 may be connected to a frequency shift signal acquisition circuit and a frequency shift signal selection circuit.
FIG. 10 is a circuit diagram of a data transmission circuit of a monitor terminal according to an embodiment of the present invention; fig. 11 is a schematic circuit diagram of a protection circuit of a monitor terminal according to an embodiment of the present invention; since the data transmission circuit and the protection circuit are techniques used in the art, they can be selected as needed.
The invention also discloses a monitoring method of the track circuit shunt failure monitoring system, which comprises the following steps:
the method comprises the steps that a monitoring terminal monitors whether a set track section is occupied or not, wherein the track section comprises a first track and a second track;
when no other connecting line exists between the track sections, current flows through the relay to enable the relay to be electrified and closed, so that the information terminal does not execute any action or can execute a first action;
when there are other connections between the track sections, so that no current flows through the relay, the relay is opened so that the information terminal can perform the second action or not perform any action.
In an embodiment of the present invention, the monitoring method further includes a cable detection step; the method specifically comprises the following steps:
adjusting the state of the track contact mechanism through the contact switching mechanism, and aiming at a set track section, enabling the track contact mechanism to be in a first state;
the current detection circuit is connected with a resistor, detects whether a loop formed by the first track, the second track, the first cable, the second cable and the track contact mechanism has current or not, and judges whether a fault exists in the corresponding loop or not according to the current or not; and if the current is not detected, judging that the first cable or/and the second cable has an open circuit.
In summary, the track circuit shunt failure monitoring system and method provided by the invention can monitor whether the track has shunt failure, and improve traffic safety.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the invention herein are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Effects or advantages referred to in the embodiments may not be reflected in the embodiments due to interference of various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the invention.
Claims (9)
1. A system for monitoring a shunt failure of a track circuit, the system comprising: the system comprises a server and at least one monitoring terminal, wherein the server is connected with each monitoring terminal respectively;
the monitoring terminal is used for monitoring whether a set track section is occupied or not, wherein the track section comprises a first track and a second track;
the monitoring terminal comprises a power supply module, a relay and an information terminal, wherein the anode of the power supply module is connected with the first track through a first cable, and the cathode of the power supply module is connected with the second track through a second cable;
the relay is respectively connected with the first cable and the second cable, and the information terminal is connected with the relay;
when no other connecting line exists between the track sections, current flows through the relay to enable the relay to be electrified and closed, so that the information terminal does not execute any action or can execute a first action;
when there are other connections between the track sections, so that no current flows through the relay, the relay is opened so that the information terminal can perform the second action or not perform any action.
2. The system according to claim 1, wherein the track circuit shunt failure monitoring system comprises:
the monitoring terminal is respectively connected with the at least two track sections and detects whether other connecting lines exist in the at least two track sections, so that whether a vehicle is parked is judged.
3. The system according to claim 1, wherein the track circuit shunt failure monitoring system comprises:
the monitoring terminal further comprises a cable detection device, wherein the cable detection device comprises a track contact mechanism, a contact switching mechanism and a current detection circuit;
the track contact mechanism can communicate the first track and the second track of the corresponding track section in a first state; at this time, the first rail, the second rail, the first cable, the second cable and the rail contact mechanism should form a complete loop;
the track contact mechanism is not communicated with the first track and the second track of the corresponding track section in the second state; at the moment, the first rail, the second rail, the first cable, the second cable and the rail contact mechanism form an open circuit;
the contact switching mechanism can adjust the state of the track contact mechanism and can switch the track contact mechanism into a first state or a second state;
the current detection circuit is connected with a resistor and used for detecting whether the corresponding loop has current or not and judging whether the corresponding loop has a fault or not according to the current detection circuit; and under the first state of the track contact mechanism, if the current is not detected, judging that the first cable or/and the second cable has an open circuit.
4. The system according to claim 3, wherein the track circuit shunt failure monitoring system comprises:
the cable detection device is connected with at least two track sections and is respectively connected with the corresponding track sections through switches; at least two track sections can be detected at different times.
5. The system according to claim 3, wherein the track circuit shunt failure monitoring system comprises:
the contact switching mechanism comprises a driving mechanism of the track contact mechanism, and the driving mechanism can drive the position of the track contact mechanism to enable the track contact mechanism to be in contact with the first track and the second track respectively or not to be in contact with the first track or/and the second track.
6. The system according to claim 3, wherein the track circuit shunt failure monitoring system comprises:
the contact switching mechanism comprises a solenoid valve arranged on the track contact mechanism, and the corresponding loop circuit is opened or closed through opening and closing.
7. The system according to claim 1, wherein the track circuit shunt failure monitoring system comprises:
the information terminal comprises a signal lamp.
8. A method for monitoring a system for monitoring a defective shunt of a track circuit according to any one of claims 1 to 7, the method comprising:
the method comprises the steps that a monitoring terminal monitors whether a set track section is occupied or not, wherein the track section comprises a first track and a second track;
when no other connecting line exists between the track sections, current flows through the relay to enable the relay to be electrified and closed, so that the information terminal does not execute any action or can execute a first action;
when there are other connections between the track sections, so that no current flows through the relay, the relay is opened so that the information terminal can perform the second action or not perform any action.
9. The monitoring method according to claim 8, wherein:
the monitoring method further comprises a cable detection step; the method specifically comprises the following steps:
adjusting the state of the track contact mechanism through the contact switching mechanism, and aiming at a set track section, enabling the track contact mechanism to be in a first state;
the current detection circuit is connected with a resistor, detects whether a loop formed by the first track, the second track, the first cable, the second cable and the track contact mechanism has current or not, and judges whether a fault exists in the corresponding loop or not according to the current or not; and if the current is not detected, judging that the first cable or/and the second cable has an open circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256855.2A CN112462300A (en) | 2020-11-11 | 2020-11-11 | System and method for monitoring poor shunting of track circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256855.2A CN112462300A (en) | 2020-11-11 | 2020-11-11 | System and method for monitoring poor shunting of track circuit |
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| Publication Number | Publication Date |
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| CN112462300A true CN112462300A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011256855.2A Pending CN112462300A (en) | 2020-11-11 | 2020-11-11 | System and method for monitoring poor shunting of track circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352497A (en) * | 2022-08-17 | 2022-11-18 | 交控科技股份有限公司 | Shunting failure detection method, device, equipment and medium |
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2020
- 2020-11-11 CN CN202011256855.2A patent/CN112462300A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352497A (en) * | 2022-08-17 | 2022-11-18 | 交控科技股份有限公司 | Shunting failure detection method, device, equipment and medium |
| CN115352497B (en) * | 2022-08-17 | 2024-04-26 | 交控科技股份有限公司 | Method, device, equipment and medium for detecting shunt defect |
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