CN210270009U - Permanent magnet motor-based high-speed train pantograph self-adaptive active control device - Google Patents
Permanent magnet motor-based high-speed train pantograph self-adaptive active control device Download PDFInfo
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- CN210270009U CN210270009U CN201920668806.6U CN201920668806U CN210270009U CN 210270009 U CN210270009 U CN 210270009U CN 201920668806 U CN201920668806 U CN 201920668806U CN 210270009 U CN210270009 U CN 210270009U
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Abstract
The utility model relates to a high-speed train power supply technical field, concretely relates to high-speed train pantograph self-adaptation active control's device based on permanent magnet motor. Including frame, vibration mechanism, pantograph control system, horizontal mechanism and perpendicular adjustment mechanism, vibration mechanism is located the frame bottom, install the bracket in the frame, the bracket internal fixation links to each other has horizontal mechanism, links to each other through pantograph control system between horizontal mechanism and the vibration mechanism, perpendicular adjustment mechanism is located the frame top and links to each other with it. The frame plays a supporting role, the structural function layout of the whole experiment table system is realized, and the system can realize five-degree-of-freedom control finally; the vibration mechanism, the pantograph control system, the horizontal mechanism and the vertical adjusting mechanism can respectively simulate the change of a contact net pull-out value, the pantograph vibration function, the change of the height of the pantograph and the change of the speed, so that the simulation of the test device is closer to the actual driving effect.
Description
Technical Field
The utility model relates to a high-speed train power supply technical field, concretely relates to high-speed train pantograph self-adaptation active control's device based on permanent magnet motor.
Background
The high-speed railway technology is rapidly developed in the last decades, the running speed grade of the train is continuously improved, the speed grade is developed from the initial less than 100km/h to the current speed grade which can exceed 400km/h, and the test speed of the French high-speed train TGV is even more than 500 km/h. The railway speed is increased from the beginning of the 90 s in China, the train operation grade is gradually improved from 80km/h, the Qin Shen passenger special line reaches 200km/h, and from 2004, the high-speed railway in China realizes the leap-type development through the strategy of introduction, absorption and innovation, so that the country gradually starts to leap into a high-speed railway era.
Such rapid development of train vehicles is not separated from the research results of vehicle dynamics, in which simulation techniques play an important role in research.
According to specific conditions of China, the cost is huge and the transformation period is long when the existing line contact system is to be transformed, so that the research and design of a novel pantograph system by adopting advanced theory and technical means can be considered, the speed requirement is met, but no special test bed for the pantograph exists at present, and therefore a test bed capable of simulating real conditions needs to be designed for the conditions.
According to the running state of high-speed train, the pantograph is as the current-collecting device of train, and its operating condition receives the influence of objective factors such as the speed of high-speed railway line, train, according to the relation of train, high-speed railway line, contact net, pantograph, and the simulation design of the whole function of experimental apparatus needs to satisfy four functional requirements: 1. the method comprises the steps of realizing a contact net pull-out value, 2, realizing pantograph vibration, 3, realizing height change of the pantograph and 4, realizing the speed of a high-speed train.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the prior art, the utility model provides a can satisfy the high-speed train pantograph self-adaptation active control's based on permanent-magnet motor device of above requirement.
The utility model discloses high-speed train pantograph self-adaptation active control's device based on permanent magnet motor, including frame, vibration mechanism, pantograph control system, horizontal mechanism and perpendicular adjustment mechanism, vibration mechanism is located the frame bottom, install the bracket in the frame, the bracket internal fixation links to each other there is horizontal mechanism, links to each other through pantograph control system between horizontal mechanism and the vibration mechanism, perpendicular adjustment mechanism is located the frame top and links to each other with it.
Preferably, pantograph control system includes pantograph, permanent-magnet machine and pressure sensor, the pantograph includes chassis, lower guide arm, underarm, upper guide arm, upper arm, bow and slide, the chassis middle part is equipped with the underarm, and underarm and upper arm hub connection, upper arm and bow hub connection, bow top are equipped with the slide, the upper arm passes through lower guide arm and chassis hub connection, and the underarm passes through upper guide arm and bow hub connection, the underarm still links to each other with permanent-magnet machine, still be equipped with pressure sensor on the slide.
Preferably, still be equipped with No. 1 camera and No. 2 camera on the frame respectively, No. 1 camera and No. 2 camera all aim at the pantograph, and No. 1 camera sets up with No. 2 cameras relatively.
Preferably, the horizontal mechanism includes first motor, first ball and stroke track, the stroke track is taken and is established in the bracket, and the orbital both ends of stroke all install the pulley, is equipped with the slide on the bracket, pulley and slide rail phase-match, and first motor sets up on the side that is not equipped with the slide on the bracket, and wherein, first motor links to each other with the stroke track through first ball.
Preferably, a second motor, a driving wheel, a driven wheel and a contact network are arranged on one surface, facing the pantograph, of the stroke track, the driving wheel is located at one end of the stroke track, the driven wheel is located at the other end of the stroke track, the contact network is further arranged between the driving wheel and the driven wheel, and the driving wheel is further connected with the second motor in a rotating mode.
Preferably, the overhead line system is arranged by using a steel wire rope.
Preferably, the vertical adjusting mechanism comprises a stepping motor, a suspension framework, a second ball screw and a lifting frame, the suspension framework is located at the top of the frame, the central portion of the suspension framework is connected with the stepping motor, the lifting frame covers the top of the bracket and is fixedly connected with the bracket, and the stepping motor is connected with the lifting frame through the second ball screw.
Preferably, the pantograph control system further comprises a control system, and the control system is electrically connected with the vibration mechanism, the pantograph control system, the horizontal mechanism and the vertical adjusting mechanism respectively.
Preferably, the vibration mechanism is a model ZW-5 vibrator.
Compared with the prior art, the utility model, following technological effect has been gained:
the frame plays a supporting role, the structural function layout of the whole experiment table system is realized, and the system can realize five-degree-of-freedom control finally; the vibration mechanism, the pantograph control system, the horizontal mechanism and the vertical adjusting mechanism can respectively simulate the change of a contact net pull-out value, the pantograph vibration function, the change of the height of the pantograph and the change of the speed, so that the simulation of the test device is closer to the actual driving effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the frame structure of the present invention.
Fig. 3 is a schematic structural view of the pantograph of the present invention.
Fig. 4 is a schematic view of the structure of the travel track of the present invention.
Fig. 5 is a schematic view of the control system of the present invention.
Reference numerals: 1-a vibration mechanism; 2-a frame; 3-a bracket; 4-pantograph; no. 5-2 camera; 6-1 camera; 7-a second ball screw; 8-a lifting frame; 9-hanging the framework; 10-a stepper motor; 11-a first ball screw; 12-a first electric machine; 13-a driven wheel; 14-a travel track; 15-bulge; 16-a driving wheel; 17-a pulley; 18-a second electric machine; 19-a permanent magnet motor; 20-pressure sensor, 21-contact net.
Detailed Description
Examples
The utility model discloses high-speed train pantograph self-adaptation active control's device based on permanent magnet motor, as shown in fig. 1 and 2, including frame 2, vibration mechanism 1, pantograph control system, horizontal mechanism and perpendicular adjustment mechanism, vibration mechanism 1 is located frame 2 bottom, install bracket 3 in the frame 2, the continuous horizontal mechanism of bracket 3 internal fixation links to each other through pantograph control system between horizontal mechanism and the vibration mechanism 1, perpendicular adjustment mechanism is located frame 2 top and links to each other with it. This frame 2 sets up through 4 pole settings and forms, and the pole setting is fixed to be set up subaerial, installs the through-hole on four angles of bracket 3 respectively, and the through-hole passes the pole setting respectively and sets up in frame 2.
As shown in fig. 3, pantograph control system includes pantograph 4, permanent-magnet machine 19 and pressure sensor 20, pantograph 4 includes chassis, lower guide arm, underarm, upper guide arm, upper arm, bow and slide, the chassis middle part is equipped with the underarm, and underarm and upper arm hub connection, upper arm and bow hub connection, bow top are equipped with the slide, the upper arm passes through lower guide arm and chassis hub connection, and the underarm passes through upper guide arm and bow hub connection, the underarm still links to each other with permanent-magnet machine 19, still be equipped with pressure sensor 20 on the slide. Still be equipped with camera 6 No. 1 and camera 5 No. 2 on the frame 2 respectively, camera 6 No. 1 and camera 5 No. 2 all aim at pantograph 4, and camera 6 No. 1 sets up with camera 5 No. 2 relatively.
In this embodiment, pressure sensor 20 model is national rui intelligent GRZ110, and permanent-magnet machine 19 model is TPY-132M2-6, as the utility model provides a research object, through permanent-magnet machine 19 as drive arrangement, replaced atmospheric pressure drive before, can better utilize permanent-magnet machine 19 to control and obtain good dynamic performance, wherein, No. 1 camera 6 is used for observing the movement track of pantograph 4, and No. 2 camera 5 is used for observing the contact condition of pantograph 4 to record the off-line rate of pantograph and contact net 21 in PLC.
Horizontal mechanism includes first motor 12, first ball 11 and stroke track 14, stroke track 14 sets up in bracket 3, and pulley 17 is all installed at stroke track 14's both ends, is equipped with the slide on the bracket 3, pulley 17 and slide rail phase-match, and first motor 12 sets up on the side that is not equipped with the slide on the bracket 3, and wherein, first motor 12 links to each other with stroke track 14 through first ball 11. A second motor 18, a driving wheel 16, a driven wheel 13 and a contact net 21 are arranged on one surface, facing the pantograph 4, of the travel track 14, the driving wheel 16 is located at one end of the travel track 14, the driven wheel 13 is located at the other end of the travel track, the contact net 21 is further arranged between the driving wheel 16 and the driven wheel 13, and the driving wheel 16 is further rotatably connected with the second motor 18. The contact net 21 is arranged by a steel wire rope.
As shown in fig. 4, pulleys 17 are respectively installed at two ends of the stroke track 14, the pulleys 17 are both located in the sliding grooves and can slide in the sliding grooves, wherein the length of the sliding grooves is 100cm, two sides of the middle portion of the stroke track 14 are further provided with a protrusion 15, one protrusion 15 is connected with the first ball screw 11, the stroke track 14 is generally located at the position with the geometric center line of the bow as an origin, and the first motor 12 and the first ball screw 11 drive the stroke track 14 to realize the reciprocating motion of 50cm of the origin, so that the change of the pull-out value of the overhead line 21 is simulated.
The contact net 21 on the travel track 14 is simulated by adopting a steel wire rope, the steel wire rope is connected end to form a circular ring shape and is positioned between the driving wheel 16 and the driven wheel 13, the driving wheel 16 is driven to rotate by the second motor 18, the driven wheel 13 is driven to rotate by the steel wire rope, and the linear speed of the steel wire rope can be obtained by the rotating speed of the second motor 18, so that the running speed of the locomotive is simulated.
Vertical adjustment mechanism includes step motor 10, hangs framework 9, second ball 7 and hoisting frame 8, hang framework 9 and be located 2 tops of frame, and hang central part and step motor 10 of framework 9, hoisting frame 8 covers in bracket 3 top and links to each other with bracket 3 fastening, and step motor 10 passes through second ball 7 and links to each other with hoisting frame 8.
The suspension framework 9 and the lifting frame 8 are both made of two crossed support rods, wherein two ends of each support rod of the suspension framework 9 are fixedly arranged at the tops of the four vertical rods, two ends of each support rod of the lifting frame 8 are fixedly arranged at four corners of the bracket 3, a stepping motor 10 is arranged at the center of the suspension framework 9, and the stepping motor 10 is connected with the center of the lifting frame 8 through a second ball screw 7; the vertical adjusting mechanism is used for simulating the height change of a pantograph 4 caused by unstable lines when a locomotive runs, the second ball screw 7 is driven to drive through the stepping motor 10, the bracket 3 is driven to lift or descend on the frame 2, the reciprocating motion of 0-20 cm can be formed, and the motion amplitude accords with the height change range of an actual line.
The pantograph type vibration control device further comprises a control system, as shown in fig. 5, wherein the control system is electrically connected with the vibration mechanism 1, the pantograph control system, the horizontal mechanism and the vertical adjusting mechanism respectively. The control system mainly comprises a PLC (programmable logic controller), a frequency converter and a touch screen, wherein the PLC is Siemens PLC-200 in model number, the frequency converter is a VFD022M43B Taida frequency converter, the frequency converter is respectively and electrically connected with the vibration mechanism 1, the first motor 12, the second motor 18, the stepping motor 10 and the permanent magnet motor 19, and the vibration size change, the horizontal motion change, the speed motion change, the height change and the pantograph 4 pantograph lifting or pantograph lowering change of the vibration mechanism 1 are realized through the control of the PLC of an upper computer.
The vibration mechanism 1 is a vibrator with the model ZW-5, and mainly aims to simulate the vibration of a locomotive body caused by the change of speed and route and the mechanical vibration of the locomotive during the running process of the locomotive, and simulate that the vibration of the locomotive is more severe and the vibration of a pantograph 4 is intensified along with the vibration of the locomotive when the speed is higher by adjusting the vibration frequency of a vibration table.
When the pantograph type pantograph operating device is used, the pantograph 4 gradually rises under the thrust of the permanent magnet motor 19 through a pantograph lifting button in the upper computer, when a pantograph head contacts with the contact net 21, the second motor 18 in the horizontal mechanism is started, the driving wheel 16 and the driven wheel 13 drive the contact net 21 to move, the operating speed of the locomotive is simulated through the transmission speed of the driving wheel 16 and the transmission speed of the driven wheel 13, the contact net 21 slides on the pantograph head, the horizontal mechanism reciprocates through the control of the upper computer at the moment, and the pull-out value of the pantograph 4 in the operating process is simulated. The pressure values of the bow and catenary 21 throughout the run range from F (a, b):
when the pressure value is less than a or equal to zero, indicating that the pressure of the pantograph-catenary is insufficient or the pantograph (4) is in an off-line state; the permanent magnet motor 19 is controlled to be driven to raise the pantograph 4 upwards.
When the pressure value is larger than b, the pressure of the pantograph net is too large, and in order to avoid excessive abrasion of the sliding plate, the permanent magnet motor 19 needs to be controlled and driven to enable the pantograph 4 to bow.
The contact pressure of the bow net is always kept in the range of F (a, b) through control, so that the lower off-line rate is ensured, and the better current collection performance of the locomotive can be simulated.
In the whole operation process, the No. 1 camera 6 is used for observing the motion trail of the pantograph 4, and the No. 2 camera 5 is used for observing the contact condition of the pantograph 4.
Claims (9)
1. High-speed train pantograph self-adaptation active control's device based on permanent magnet motor, its characterized in that, including frame (2), vibration mechanism (1), pantograph control system, horizontal mechanism and perpendicular adjustment mechanism, vibration mechanism (1) is located frame (2) bottom, install bracket (3) in frame (2), bracket (3) internal fixation links to each other there is horizontal mechanism, links to each other through pantograph control system between horizontal mechanism and the vibration mechanism (1), perpendicular adjustment mechanism is located frame (2) top and links to each other with it.
2. The device for the self-adaptive active control of the pantograph of the high-speed train based on the permanent magnet motor is characterized in that the pantograph control system comprises a pantograph (4), a permanent magnet motor (19) and a pressure sensor (20), the pantograph (4) comprises a chassis, a lower guide rod, a lower arm, an upper guide rod, an upper arm, a pantograph head and a sliding plate, the lower arm is arranged in the middle of the chassis, the lower arm is connected with the upper arm through a shaft, the upper arm is connected with the pantograph head through a shaft, the sliding plate is arranged on the top of the pantograph head, the upper arm is connected with the chassis through the lower guide rod, the lower arm is connected with the pantograph head through the upper guide rod, the lower arm is further connected with the permanent magnet motor (19), and the.
3. The device for the adaptive active control of the pantograph of the high-speed train based on the permanent magnet motor is characterized in that a No. 1 camera (6) and a No. 2 camera (5) are further arranged on the frame (2), the No. 1 camera (6) and the No. 2 camera (5) are both aligned with the pantograph (4), and the No. 1 camera (6) is opposite to the No. 2 camera (5).
4. The device for the self-adaptive active control of the pantograph of the high-speed train based on the permanent magnet motor is characterized in that the horizontal mechanism comprises a first motor (12), a first ball screw (11) and a stroke track (14), the stroke track (14) is erected in the bracket (3), pulleys (17) are mounted at two ends of the stroke track (14), a slide way is arranged on the bracket (3), the pulleys (17) are matched with the slide way, the first motor (12) is arranged on the side surface of the bracket (3) where the slide way is not arranged, and the first motor (12) is connected with the stroke track (14) through the first ball screw (11).
5. The device for the self-adaptive active control of the pantograph of the high-speed train based on the permanent magnet motor is characterized in that a second motor (18), a driving wheel (16), a driven wheel (13) and a contact net (21) are arranged on one surface, facing the pantograph (4), of the travel track (14), the driving wheel (16) is located at one end of the travel track (14), the driven wheel (13) is located at the other end of the travel track, the contact net (21) is further arranged between the driving wheel (16) and the driven wheel (13), and the driving wheel (16) is further rotatably connected with the second motor (18).
6. The permanent magnet motor-based high-speed train pantograph adaptive active control device is characterized in that the overhead line system (21) is arranged by using a steel wire rope.
7. The device for the adaptive active control of the permanent magnet motor-based pantograph of a high speed train according to claim 1, wherein the vertical adjustment mechanism comprises a stepping motor (10), a suspension framework (9), a second ball screw (7) and a lifting frame (8), the suspension framework (9) is positioned at the top of the frame (2), the central part of the suspension framework (9) is connected with the stepping motor (10), the lifting frame (8) covers the top of the bracket (3) and is fixedly connected with the bracket (3), and the stepping motor (10) is connected with the lifting frame (8) through the second ball screw (7).
8. The device for the self-adaptive active control of the pantograph of the high-speed train based on the permanent magnet motor according to claim 1, further comprising a control system, wherein the control system is electrically connected with the vibration mechanism (1), the pantograph control system, the horizontal mechanism and the vertical adjustment mechanism respectively.
9. The device for the adaptive active control of the permanent magnet motor-based high-speed train pantograph according to claim 1, wherein the vibration mechanism (1) is a ZW-5 vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668806.6U CN210270009U (en) | 2019-05-10 | 2019-05-10 | Permanent magnet motor-based high-speed train pantograph self-adaptive active control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920668806.6U CN210270009U (en) | 2019-05-10 | 2019-05-10 | Permanent magnet motor-based high-speed train pantograph self-adaptive active control device |
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| CN210270009U true CN210270009U (en) | 2020-04-07 |
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| CN201920668806.6U Expired - Fee Related CN210270009U (en) | 2019-05-10 | 2019-05-10 | Permanent magnet motor-based high-speed train pantograph self-adaptive active control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325246A (en) * | 2022-01-19 | 2022-04-12 | 华东交通大学 | Electrified railway contact net fault range unit |
| CN115683529A (en) * | 2023-01-03 | 2023-02-03 | 中国空气动力研究与发展中心低速空气动力研究所 | Pantograph contact force test device |
-
2019
- 2019-05-10 CN CN201920668806.6U patent/CN210270009U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325246A (en) * | 2022-01-19 | 2022-04-12 | 华东交通大学 | Electrified railway contact net fault range unit |
| CN114325246B (en) * | 2022-01-19 | 2024-02-09 | 华东交通大学 | Fault distance measuring device for electrified railway contact network |
| CN115683529A (en) * | 2023-01-03 | 2023-02-03 | 中国空气动力研究与发展中心低速空气动力研究所 | Pantograph contact force test device |
| CN115683529B (en) * | 2023-01-03 | 2023-08-25 | 中国空气动力研究与发展中心低速空气动力研究所 | Pantograph contact force test device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |