CN112346395B - Pantograph slide plate abrasion intelligent control system and method - Google Patents
Pantograph slide plate abrasion intelligent control system and method Download PDFInfo
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- CN112346395B CN112346395B CN202011103187.XA CN202011103187A CN112346395B CN 112346395 B CN112346395 B CN 112346395B CN 202011103187 A CN202011103187 A CN 202011103187A CN 112346395 B CN112346395 B CN 112346395B
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005299 abrasion Methods 0.000 title abstract description 9
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses an intelligent control system and method for abrasion of a pantograph slide plate, which comprises the following steps: the speed sensor is configured to collect speed information of vehicle operation and transmit the speed information to the main controller; a main controller configured to calculate a running distance of each pantograph in the vehicle high voltage unit according to the received vehicle running speed information; determining a pantograph needing to be raised, and outputting a pantograph selection signal to a remote output unit; a remote output unit configured to transmit a switching instruction to the switching unit according to the received pantograph selection signal; a switching unit configured to switch the pantograph lifting instruction to a pantograph requiring pantograph lifting according to the received switching instruction. The invention can realize intelligent control of the wear degree of the pantograph slide plates, ensure that the wear degrees of the two pantograph slide plates in the vehicle high-voltage unit are consistent, and reduce the workload of overhauling and maintaining the vehicle pantograph.
Description
Technical Field
The invention relates to the technical field of urban rail transit, in particular to an intelligent control system and method for abrasion of a pantograph slide plate.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The pantograph slide plate is a part for contacting a pantograph with a power grid to obtain power, at present, the slide plate commonly on the market is made of graphite and other metal alloys, the pantograph slide plate is high in transfer speed (generally reaching 350km/h), so that the graphite is seriously worn, and when the pantograph slide plate is worn to a certain degree, conditions such as net pulling or net clamping, temporary power failure and the like are easily caused, and further serious railway safety accidents can be caused; therefore, the pantograph slide plate arranged on the locomotive needs to be periodically overhauled.
The rail transit vehicle generally comprises two high-voltage units, each high-voltage unit is provided with 2 pantographs, and the two pantographs only lift one pantograph when the train normally runs, and the other pantograph is used as a backup.
In the prior art, when two pantographs are lifted and selected, operators often lift and select the pantographs according to experience or at random, so that two pantograph slide plates are easily abraded and inconsistent, the frequency of replacing the pantograph by maintainers is increased, and the overhauling and maintenance workload of vehicles is increased.
Disclosure of Invention
In view of this, the invention provides an intelligent control system and method for pantograph pan abrasion, which can solve the problem of inconsistent pantograph pan abrasion and reduce the workload of maintenance and repair.
According to a first aspect of an embodiment of the present invention, there is provided a pantograph pan wear intelligent control system, including:
the speed sensor is configured to collect speed information of vehicle operation and transmit the speed information to the main controller;
a main controller configured to calculate and accumulate a running distance of each pantograph in the vehicle high voltage unit according to the received vehicle running speed information; determining a pantograph needing to be raised, and outputting a pantograph selection signal to a remote output unit;
a remote output unit configured to transmit a switching instruction to the switching unit according to the received pantograph selection signal;
a switching unit configured to switch the pantograph lifting instruction to a pantograph requiring pantograph lifting according to the received switching instruction.
According to a second aspect of the embodiments of the present invention, there is provided a pantograph pan wear intelligent control method, including:
determining a running distance of each pantograph in the vehicle high-voltage unit based on the running speed of the vehicle;
when pantograph lifting selection is performed, the operating distances of the two pantographs are compared, and the pantograph with the short operating distance is selected as the pantograph needing to be lifted.
According to a third aspect of the embodiments of the present invention, there is provided a rail vehicle including: the intelligent wear control system for the pantograph slide plate; or, the intelligent control method for the abrasion of the pantograph slide plate is adopted.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can realize intelligent control of the wear degree of the pantograph slide plates, ensure that the wear degrees of the two pantograph slide plates in the vehicle high-voltage unit are consistent, and reduce the workload of overhauling and maintaining the vehicle pantograph.
(2) According to the pantograph running distance, a driver is prompted to overhaul the pantograph slide plate before the display HMI is lifted, so that the running reliability of the vehicle is ensured; when the pantograph is in failure, the pantograph is automatically switched to the normal pantograph state.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a pantograph pan wear intelligent control system according to an embodiment of the present invention;
fig. 2 is a flowchart of an intelligent pantograph pan wear control method according to an embodiment of the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example one
In the embodiment of the invention, the rail transit vehicle comprises two high-voltage units, each high-voltage unit is provided with 2 pantographs, only one pantograph is lifted when the train normally runs, and the other pantograph is used as a backup.
Based on the above technical background, in order to make the wear states of the two pantograph slide plates consistent, the wear of the two pantograph slide plates needs to be intelligently controlled.
According to an embodiment of the present invention, there is provided an embodiment of an intelligent pantograph pan wear control system, which includes, with reference to fig. 1:
the system comprises speed sensors, a main controller and a plurality of sensors, wherein 1 speed sensor is respectively arranged at each head car of a rail running vehicle and used for acquiring the running speed information of the vehicle and transmitting the running speed information to the main controller;
the main controller is connected with the speed sensor through a communication bus, receives vehicle running speed information and calculates the running distance of each pantograph in the vehicle high-voltage unit; and when the pantograph lifting condition is met, determining the pantograph needing to be lifted according to the state and the running distance of each pantograph, and outputting a pantograph selection signal to the remote output unit.
And the remote output unit is connected with the speed sensor through a communication bus and is used for sending the control signal of the main controller to a corresponding control terminal. In this embodiment, the remote output unit sends a switching instruction to the switching unit according to the received pantograph selection signal to control the relay switch to be connected with the pantograph requiring pantograph lifting.
The switching unit, in this embodiment, selects the pantograph selection relay, is connected with the remote output unit through the transmission cable, can switch between two pantographs simultaneously, according to the received switching instruction, switches the relay to the pantograph that needs to rise the pantograph. Of course, other hardware or software switching schemes may be selected by those skilled in the art.
In other embodiments, a display unit is provided in the cab or the control room for displaying the operating state of the pantograph, and an independent interface is provided for querying and setting the operating distance of the pantograph. Can make things convenient for the person of controlling to look over the operating condition of each pantograph in real time through the display element, when the working distance of pantograph reached slide wearing and tearing lower limit, the suggestion maintainer carried out the slide inspection and changes, and when the pantograph slide changed the back, can carry out the reset of pantograph working distance through the display element, carries out the calculation of working distance again.
Example two
According to an embodiment of the present invention, an embodiment of an intelligent pantograph pan wear control method is provided, and with reference to fig. 2, the method includes the following steps:
step S101, determining the running distance of each pantograph in a vehicle high-voltage unit based on the running speed of a vehicle;
the accumulated running distance of each pantograph is calculated based on the operational relation between the speed and the distance, the calculation process is simple and easy to implement, complex judgment processes such as temperature and pressure do not need to be considered, and the implementation of the technical scheme is facilitated.
Step S102, judging whether pantograph selection conditions are met, if so, entering step S103, otherwise, maintaining the last pantograph lifting state;
specifically, the pantograph selection conditions are specifically: the vehicle is in a stationary state and a pantograph-raising control command is triggered.
Step S103, judging whether the two pantographs have faults or not, and if one pantograph has the fault, directly selecting the pantograph in a normal state to lift the pantograph; if both the two pantographs have faults, alarming; and if the two pantographs are in normal states, comparing the running distances of the two pantographs, and selecting the pantograph with a small running distance to lift the pantograph.
EXAMPLE III
According to an embodiment of the present invention, there is provided a rail vehicle including: the intelligent pantograph slide plate abrasion control system disclosed in the first embodiment realizes pantograph lifting control on a vehicle pantograph; or, the pantograph slide plate abrasion intelligent control method disclosed by the embodiment two is adopted to realize pantograph lifting control of the vehicle pantograph.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a pantograph slide wear intelligent control system which characterized in that includes:
the speed sensor is configured to collect speed information of vehicle operation and transmit the speed information to the main controller;
a main controller configured to calculate a running distance of each pantograph in the vehicle high voltage unit according to the received vehicle running speed information; when the pantograph lifting condition is met, determining the pantograph needing to be lifted according to the state and the running distance of each pantograph, and outputting a pantograph selection signal to the remote output unit;
specifically, whether the vehicle is in a static state or not is judged, a pantograph lifting instruction is triggered, if yes, pantograph lifting selection is carried out, and otherwise, previous pantograph lifting selection is maintained; when the pantograph lifting selection is carried out, whether the states of the two pantographs are normal or not is determined, if both the states are normal, the running distances of the two pantographs are compared, the pantograph with the short running distance is selected as the pantograph needing to be lifted, and otherwise, the pantograph with the normal state is selected as the pantograph needing to be lifted;
a remote output unit configured to transmit a switching instruction to the switching unit according to the received pantograph selection signal;
a switching unit configured to switch the pantograph lifting instruction to a pantograph requiring pantograph lifting according to the received switching instruction.
2. The pantograph pan wear intelligent control system of claim 1, wherein the pantograph operating distance is calculated according to the received vehicle operating speed information by:
and calculating and accumulating the running distance of the pantograph based on the speed information and the running time of the vehicle.
3. The pantograph pan wear intelligent control system of claim 1, further comprising: a display unit configured to display an operating state of the pantograph and a running distance of each pantograph.
4. The pantograph pan wear intelligent control system of claim 1, wherein the switching unit is a pantograph selection relay.
5. An intelligent wear control method for a pantograph pan is characterized by comprising the following steps:
determining a running distance of each pantograph in the vehicle high-voltage unit based on the running speed of the vehicle;
when the pantograph lifting condition is met, determining the pantograph needing to be lifted according to the state and the running distance of each pantograph;
specifically, whether the vehicle is in a static state or not is judged, a pantograph lifting instruction is triggered, if yes, pantograph lifting selection is carried out, and otherwise, previous pantograph lifting selection is maintained; and when the pantograph lifting selection is carried out, determining whether the states of the two pantographs are normal or not, if so, comparing the running distances of the two pantographs, selecting the pantograph with short running distance as the pantograph needing to be lifted, and otherwise, selecting the pantograph with normal state as the pantograph needing to be lifted.
6. The pantograph pan wear intelligent control method of claim 5, wherein prior to pantograph pan selection, further comprising:
and judging whether the vehicle meets pantograph switching conditions, if so, carrying out pantograph lifting selection, and otherwise, maintaining the previous pantograph lifting selection.
7. The intelligent pantograph pan wear control method according to claim 6, wherein the pantograph switching conditions are: the vehicle is at rest and a pantograph raising command is triggered.
8. The method of claim 5, wherein the pantograph pan wear intelligent control method further comprises, before comparing the travel distances of the two pantographs, when pantograph lifting selection is performed:
and determining whether the two pantographs are normal, if so, comparing the running distances of the two pantographs, and otherwise, selecting the pantograph in the normal state as the pantograph needing to be raised.
9. A rail vehicle, comprising: the pantograph pan wear intelligent control system of any one of claims 1-4.
10. A rail vehicle, comprising: the intelligent pantograph pan wear control method according to any one of claims 5 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103187.XA CN112346395B (en) | 2020-10-15 | 2020-10-15 | Pantograph slide plate abrasion intelligent control system and method |
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| CN202011103187.XA CN112346395B (en) | 2020-10-15 | 2020-10-15 | Pantograph slide plate abrasion intelligent control system and method |
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| CN112346395B true CN112346395B (en) | 2022-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112659904B (en) * | 2021-01-18 | 2023-05-12 | 中车青岛四方机车车辆股份有限公司 | Rail train pantograph control method, device, storage medium and computer equipment |
| CN113858960B (en) * | 2021-10-22 | 2024-05-07 | 中车株洲电力机车有限公司 | Locomotive and pantograph control method and system thereof |
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