CN112659906A - Straddle type monorail vehicle power collection system - Google Patents
Straddle type monorail vehicle power collection system Download PDFInfo
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- CN112659906A CN112659906A CN202011633007.9A CN202011633007A CN112659906A CN 112659906 A CN112659906 A CN 112659906A CN 202011633007 A CN202011633007 A CN 202011633007A CN 112659906 A CN112659906 A CN 112659906A
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- 238000010292 electrical insulation Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The invention discloses a straddle type monorail vehicle current collection system which comprises a first insulating support, a second insulating support, a first steering frame framework, a first group of power supply rails, a first group of collector shoes, a second group of power supply rails and a second group of collector shoes, wherein the first group of power supply rails and the second group of power supply rails are arranged on two sides of a track beam through the insulating supports, the polarities of the same sides of the track beam are opposite, the height difference meeting the requirement of an electrical insulation gap is formed, the collector shoes respectively take current from the corresponding power supply rails and are connected in parallel and converged into a vehicle junction box through a circuit protection device.
Description
Technical Field
The invention relates to the technical field of vehicle traction power supply, in particular to a power collection system for a monorail vehicle.
Background
Compared with a subway system, the straddle type monorail has the advantages of low vibration noise, strong line adaptability and short construction period, and is widely applied at home and abroad. The straddle type monorail vehicle generally adopts a direct-current third rail for power supply, and a power supply rail is arranged on a track beam, so that the influence on urban landscapes is reduced.
At present, a group of power supply rails are arranged on two sides of a track beam at the same height, a vehicle is provided with a group of collector shoes, the power supply rails are in contact with current collection through the shoe rails, the polarity of the power supply rails along a line cannot be changed, and the one-way running of the vehicle can only be met. In order to meet the operation requirement of reducing eccentric wear by adopting eight-line access or U-turn running, the polarity of the power supply rail along the line needs to be converted; in order to meet the power consumption requirement of the vehicle, a section of non-electricity area needs to be arranged, and a power supply control device is additionally arranged on the vehicle to adapt to polarity conversion of a power supply rail, so that the operation efficiency is reduced, and the control difficulty and the manufacturing cost are increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the power collection system of the straddle type monorail vehicle, which can safely, simply and conveniently solve the problem that the polarity of a power supply rail needs to be switched during the operation of a line and meet the power consumption requirement of the vehicle.
The technical scheme is as follows: in order to achieve the purpose, the invention adopts the technical scheme that:
a straddle type monorail vehicle current collection system comprises power supply rails, collector shoes and a vehicle junction box, wherein the power supply rails are flexibly arranged according to polarity conversion requirements of the power supply rails, the collector shoes collect current from the corresponding power supply rails and then converge into the vehicle junction box, and traction and auxiliary power supply are provided for a vehicle through the vehicle junction box. And a group of power supply rails are rearranged at the position where the polarity of the power supply rails is needed to be switched, wherein the group of power supply rails and the existing power supply rails can be bordered or partially overlapped along the longitudinal direction of the track beam, and the polarities of the power supply rails and the existing power supply rails are opposite on the same side of the track beam. And the collector shoe corresponds to the position of the power supply rail, and the current is taken from the corresponding power supply rail and enters the vehicle high-voltage distribution box. When the existing power supply rails are symmetrically installed relative to the track beam, the new power supply rails and the existing power supply rails are staggered along the height direction of the track beam, and the height difference meets the requirement of an electrical insulation gap. When the existing power supply rails are installed in a staggered mode in the height direction of the track beam, the new power supply rails and the existing power supply rails are installed symmetrically in the height direction of the track beam. Specifically, the method comprises the following steps:
including first insulating support, second insulating support, first bogie frame, first group power supply rail, first group collector shoe, second group power supply rail, second group collector shoe, first group power supply rail includes first group anodal power supply rail and first group negative pole power supply rail, first group collector shoe includes first group anodal collector shoe and first group negative pole collector shoe, second group power supply rail includes second group anodal power supply rail and second group negative pole power supply rail, second group collector shoe includes second group anodal collector shoe and second group negative pole collector shoe.
And arranging a first group of power supply rails on a line without power supply rail polarity conversion, wherein the first group of positive power supply rails and the first group of negative power supply rails are arranged on two sides of the track beam through a first insulating bracket.
And arranging a second group of power supply rails on a line needing power supply rail polarity conversion, wherein the second group of positive power supply rails and the second group of negative power supply rails are arranged on two sides of the track beam through a second insulating support.
The first group of positive power supply rails and the second group of negative power supply rails are located on the same side of the track beam, and the first group of negative power supply rails and the second group of positive power supply rails are located on the same side of the track beam.
The first group of positive collector shoes, the first group of negative collector shoes, the second group of positive collector shoes and the second group of negative collector shoes are arranged on the first steering frame framework through height-adjustable supports.
On a circuit without power supply rail polarity conversion, the first group of positive collector shoes tightly press the collector shoe carbon brush on the first group of positive power supply rails through the elastic piece to obtain current, and the first group of negative collector shoes tightly press the collector shoe carbon brush on the first group of negative power supply rails through the elastic piece to obtain current.
On a circuit needing polarity conversion of the power supply rails, the collector shoe carbon brush is tightly pressed on the second group of positive power supply rails through the elastic piece by the second group of positive collector shoes to obtain current, and the collector shoe carbon brush is tightly pressed on the second group of negative power supply rails through the elastic piece by the second group of negative collector shoes to obtain current.
The first group of positive collector shoes and the second group of positive collector shoes are connected with the positive input end of the vehicle junction box, and the first group of negative collector shoes and the second group of negative collector shoes are connected with the negative input end of the vehicle junction box.
Preferably: the first group of positive collector shoes are connected with the positive input end of the vehicle junction box through a first fuse, and the second group of positive collector shoes are connected with the positive input end of the vehicle junction box through a second fuse.
Preferably: when the first group of positive power supply rails and the first group of negative power supply rails are symmetrically installed around the track beam, the second group of positive power supply rails and the second group of negative power supply rails are symmetrically installed around the track beam. Or when the first group of positive power supply rails and the first group of negative power supply rails are installed in a staggered mode along the height direction of the track beam, the second group of positive power supply rails and the second group of negative power supply rails are installed in a staggered mode along the height direction of the track beam.
Preferably: on a line needing power supply rail polarity conversion, the first group of power supply rails and the second group of power supply rails are partially overlapped, the first group of power supply rails and the second group of power supply rails are staggered along the height direction of the track beam, and the height difference meets the requirement of an electrical insulation gap.
Preferably: the first group of positive power supply rails, the first group of negative power supply rails, the second group of positive power supply rails and the second group of negative power supply rails are all steel-aluminum composite rails.
Compared with the prior art, the invention has the following beneficial effects:
the power supply rail and the power collecting boots are reasonably arranged and matched, so that the problem that the polarity of the power supply rail is required to be converted in the circuit operation process is solved, and the power utilization requirement of a vehicle is ensured; through the arrangement that different bogie current collecting circuits are connected in parallel to enter a high-voltage distribution box and a fuse, the redundancy and the safety of vehicle power supply are ensured. The circuit need not to set up the no electricity district, has reduced the power supply system control degree of difficulty and the manufacturing cost of vehicle.
Drawings
FIG. 1 is a schematic layout of a collector shoe and a power rail according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a vehicle power supply of an embodiment of the present invention;
FIG. 3 is a schematic diagram of a power rail arrangement of an embodiment of the present invention;
FIG. 4 is a side view of a power rail arrangement of an embodiment of the present invention;
in the figure: 1-a track beam; 2-a first set of positive supply rails; 3-a first set of negative supply rails; 4-a second set of positive supply rails; 5-a second set of negative supply rails; 6-a first insulating support; 7-a first set of positive collector shoes; 8-a first set of negative collector shoes; 9-a second set of positive collector shoes; 10-a second set of negative collector shoes; 11-a first bogie frame; 12-a third set of positive collector shoes; 13-a third set of negative collector shoes; 14-a fourth set of positive collector shoes; 15-a fourth set of negative collector shoes; 16-a first fuse; 17-vehicle distribution box; 171-positive input; 172-negative input; 173-positive output terminal; 174-negative output terminal.
Detailed Description
The present invention is further illustrated by the following description in conjunction with the accompanying drawings and the specific embodiments, it is to be understood that these examples are given solely for the purpose of illustration and are not intended as a definition of the limits of the invention, since various equivalent modifications will occur to those skilled in the art upon reading the present invention and fall within the limits of the appended claims.
A power collection system of a straddle type monorail vehicle is characterized in that power supply rails are rearranged along a track beam at a position where polarity conversion of the power supply rails is needed according to running requirements of a train, the polarity of the power supply rails is opposite to that of the existing power supply rails on the same side of the track beam, and the power collection system has a height difference meeting requirements of electrical insulation gaps. And each bogie of the vehicle is provided with a collector shoe corresponding to the position of the power supply rail. The collector shoes respectively draw current from corresponding power supply rails, are connected in parallel and converged into a high-voltage distribution box after passing through a circuit protection device, and provide traction and auxiliary power supply for the vehicle through the high-voltage distribution box. Therefore, in a line without power supply rail polarity conversion, each bogie can be only provided with one group of collector shoes; and two sets of collector shoes are arranged on each bogie in a line requiring power supply rail polarity conversion. The collecting shoe is arranged on the bogie frame through a height-adjustable bracket, the carbon brush of the collecting shoe is tightly pressed on the corresponding power supply rail through the elastic part to take current, and the collecting shoe always has enough contact area with the power supply rail under different load working conditions. As shown in fig. 1, the power supply device comprises a first insulating support 6, a second insulating support, a first steering frame framework 11, a first group of power supply rails, a first group of collector shoes, a second group of power supply rails and a second group of collector shoes, wherein the first group of power supply rails comprises a first group of positive power supply rails 2 and a first group of negative power supply rails 3, the first group of collector shoes comprises a first group of positive collector shoes 7 and a first group of negative collector shoes 8, the second group of power supply rails comprises a second group of positive power supply rails 4 and a second group of negative power supply rails 5, and the second group of collector shoes comprises a second group of positive collector shoes 9 and a second group of negative collector shoes 10.
And arranging a first group of power supply rails on a line without power supply rail polarity conversion, wherein the first group of positive power supply rails 2 and the first group of negative power supply rails 3 are arranged on two sides of the track beam 1 through a first insulating bracket 6.
And arranging a second group of power supply rails on a line needing power supply rail polarity conversion, wherein the second group of positive power supply rails 4 and the second group of negative power supply rails 5 are arranged on two sides of the track beam 1 through second insulating supports.
As shown in fig. 3 and 4, the first and second sets of positive power supply rails 2 and 5 are located on the same side of the track beam 1, and the first and second sets of negative power supply rails 3 and 4 are located on the same side of the track beam 1.
The first group of positive collector shoes 7, the first group of negative collector shoes 8, the second group of positive collector shoes 9 and the second group of negative collector shoes 10 are arranged on a first steering frame framework 11 through a bracket with adjustable height.
On a circuit without power supply rail polarity conversion, the first group of positive collector shoes 7 tightly press collector shoe carbon brushes on the first group of positive power supply rails 2 through elastic pieces to obtain current, and the first group of negative collector shoes 8 tightly press collector shoe carbon brushes on the first group of negative power supply rails 3 through elastic pieces to obtain current. On a line needing polarity conversion of the power supply rails, the second group of positive collector shoes 9 tightly press the collector shoe carbon brush on the second group of positive power supply rails 4 through the elastic piece to obtain current, and the second group of negative collector shoes 10 tightly press the collector shoe carbon brush on the second group of negative power supply rails 5 through the elastic piece to obtain current. Under different load working conditions, the collector shoe always has enough contact area with the power supply rail.
The first group of power supply rails and the second group of power supply rails are longitudinally bordered or partially overlapped along the track beam, are symmetrical in the height direction of the track beam, and have opposite polarities on the same side of the track beam, so that the polarity conversion of the power supply rails is realized. Meanwhile, the first group of power supply rails and the second group of power supply rails are staggered along the height direction of the track beam 1, and the height difference meets the requirement of an electrical insulation gap.
When the first group of positive power supply rails 2 and the first group of negative power supply rails 3 are symmetrically installed around the track beam 1, the second group of positive power supply rails 4 and the second group of negative power supply rails 5 are symmetrically installed around the track beam 1; or when the first group of positive power supply rails 2 and the first group of negative power supply rails 3 are installed along the height direction of the track beam 1 in a staggered mode, the second group of positive power supply rails 4 and the second group of negative power supply rails 5 are installed along the height direction of the track beam 1 in a staggered mode. The height difference meets the requirement of an electric insulation gap.
As shown in fig. 2, the first group of positive collector shoes 7 is connected to a positive input terminal of a vehicle distribution box 17 through a first fuse 16, the second group of positive collector shoes 9 is connected to a positive input terminal of the vehicle distribution box 17 through a second fuse, and the first group of negative collector shoes 8 and the second group of negative collector shoes 10 are connected to a negative input terminal of the vehicle distribution box 17. The first group of positive collector shoes 7 and the second group of positive collector shoes 9 respectively draw current from corresponding positive power supply rails, converge after passing through a fuse, and then enter the positive input end 171 of the vehicle junction box 17, and the first group of negative collector shoes 8 and the second group of negative collector shoes 10 respectively draw current from corresponding negative power supply rails, converge, and then enter the negative input end 172 of the vehicle junction box 17. One set of collector shoes is connected in series with one fuse. When the current is rapidly increased or the current is overlarge, the fuse is disconnected, and the circuit is prevented from being burnt due to the overlarge current.
Current collecting circuits on the same bogie are connected in parallel and enter the vehicle junction box 17 through a confluence point; the current collecting circuits of two bogies of the same vehicle are connected in parallel and enter a vehicle junction box 17, so that the power supply redundancy of the vehicle is ensured. Traction and auxiliary power is provided to the vehicle through the vehicle distribution box 17.
The first group of positive power supply rails 2, the first group of negative power supply rails 3, the second group of positive power supply rails 4 and the second group of negative power supply rails 5 are all steel-aluminum composite rails.
The third group of positive collector shoes 12, the third group of negative collector shoes 13, the fourth group of positive collector shoes 14 and the fourth group of negative collector shoes 15 on the second bogie frame of the vehicle are installed and take current in the same way as the first bogie frame 11, and are connected with the current taking circuit on the first bogie frame 11 in parallel to enter the positive input end and the negative input end of the vehicle junction box 17. When the power supply of one bogie is lost, the power supply of the other bogie can still ensure the normal power utilization of the vehicle.
After the external power is provided to the vehicle distribution box 17, traction and auxiliary power is provided to the vehicle through the positive output 173 and the negative output 174 of the vehicle distribution box 17.
The polarity conversion requirement of the power supply rail of the monorail vehicle which needs to run in and out or turn around by adopting the splayed lines is met through the arrangement and the matching of the power supply rail and the collector shoe, a dead zone does not need to be arranged, and the control of a power supply system of the vehicle is simplified.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. A straddle type monorail vehicle power collection system is characterized in that: the power supply device comprises a first insulating support (6), a second insulating support, a first steering frame framework (11), a first group of power supply rails, a first group of collector shoes, a second group of power supply rails and a second group of collector shoes, wherein the first group of power supply rails comprise a first group of positive power supply rails (2) and a first group of negative power supply rails (3), the first group of collector shoes comprise a first group of positive collector shoes (7) and a first group of negative collector shoes (8), the second group of power supply rails comprise a second group of positive power supply rails (4) and a second group of negative power supply rails (5), the second group of collector shoes comprise a second group of positive collector shoes (9) and a second group of negative collector shoes (10),
arranging a first group of power supply rails on a line which does not need power supply rail polarity conversion, wherein the first group of positive power supply rails (2) and the first group of negative power supply rails (3) are arranged on two sides of a track beam (1) through a first insulating bracket (6);
arranging a second group of power supply rails on a line needing power supply rail polarity conversion, wherein the second group of positive power supply rails (4) and the second group of negative power supply rails (5) are arranged on two sides of a track beam (1) through a second insulating support;
the first group of positive power supply rails (2) and the second group of negative power supply rails (5) are positioned on the same side of the track beam (1), and the first group of negative power supply rails (3) and the second group of positive power supply rails (4) are positioned on the same side of the track beam (1);
the first group of positive collector shoes (7), the first group of negative collector shoes (8), the second group of positive collector shoes (9) and the second group of negative collector shoes (10) are arranged on a first steering frame framework (11) through a height-adjustable bracket;
on a circuit without power supply rail polarity conversion, a collector shoe carbon brush is tightly pressed on the first group of positive power supply rails (2) through an elastic piece by the first group of positive collector shoes (7) to obtain current, and a collector shoe carbon brush is tightly pressed on the first group of negative power supply rails (3) through the elastic piece by the first group of negative collector shoes (8) to obtain current;
on a circuit needing power supply rail polarity conversion, a collector shoe carbon brush is tightly pressed on a second group of positive power supply rails (4) through an elastic piece by the second group of positive collector shoes (9) to obtain current, and a collector shoe carbon brush is tightly pressed on a second group of negative power supply rails (5) through an elastic piece by the second group of negative collector shoes (10) to obtain current;
the first group of positive collector shoes (7) and the second group of positive collector shoes (9) are connected with the positive input end of the vehicle junction box (17), and the first group of negative collector shoes (8) and the second group of negative collector shoes (10) are connected with the negative input end of the vehicle junction box (17).
2. The straddle-type monorail vehicle power collection system according to claim 1, wherein: the first group of positive collector shoes (7) are connected with the positive input end of the vehicle junction box (17) through a first fuse (16), and the second group of positive collector shoes (9) are connected with the positive input end of the vehicle junction box (17) through a second fuse.
3. The straddle-type monorail vehicle power collection system according to claim 2, wherein: when the first group of positive power supply rails (2) and the first group of negative power supply rails (3) are symmetrically installed around the track beam (1), the second group of positive power supply rails (4) and the second group of negative power supply rails (5) are symmetrically installed around the track beam (1); or when the first group of positive power supply rails (2) and the first group of negative power supply rails (3) are installed in a staggered mode along the height direction of the track beam (1), the second group of positive power supply rails (4) and the second group of negative power supply rails (5) are installed in a staggered mode along the height direction of the track beam (1).
4. The straddle-type monorail vehicle power collection system according to claim 3, wherein: on a line needing power supply rail polarity conversion, the first group of power supply rails and the second group of power supply rails are partially overlapped, the first group of power supply rails and the second group of power supply rails are staggered along the height direction of the track beam (1), and the height difference meets the requirement of an electrical insulation gap.
5. The straddle-type monorail vehicle power collection system according to claim 4, wherein: the first group of positive power supply rails (2), the first group of negative power supply rails (3), the second group of positive power supply rails (4) and the second group of negative power supply rails (5) are all steel-aluminum composite rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633007.9A CN112659906A (en) | 2020-12-31 | 2020-12-31 | Straddle type monorail vehicle power collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011633007.9A CN112659906A (en) | 2020-12-31 | 2020-12-31 | Straddle type monorail vehicle power collection system |
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| Publication Number | Publication Date |
|---|---|
| CN112659906A true CN112659906A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011633007.9A Pending CN112659906A (en) | 2020-12-31 | 2020-12-31 | Straddle type monorail vehicle power collection system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008312A (en) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | Monorail |
| JP2003025993A (en) * | 2001-07-12 | 2003-01-29 | Kawasaki Heavy Ind Ltd | Single shaft bogie for railway rolling stock |
| CN206141336U (en) * | 2016-09-21 | 2017-05-03 | 比亚迪股份有限公司 | Train and get electric installation thereof |
| CN110667391A (en) * | 2019-09-03 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Rail current receiving device, rail vehicle bogie and power supply rail |
| CN111231679A (en) * | 2018-11-29 | 2020-06-05 | 比亚迪股份有限公司 | Charging device of rail vehicle and rail transit system |
| CN214728208U (en) * | 2020-12-31 | 2021-11-16 | 中车浦镇庞巴迪运输***有限公司 | Straddle type monorail vehicle power collection device |
-
2020
- 2020-12-31 CN CN202011633007.9A patent/CN112659906A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001008312A (en) * | 1999-06-18 | 2001-01-12 | Hitachi Ltd | Monorail |
| JP2003025993A (en) * | 2001-07-12 | 2003-01-29 | Kawasaki Heavy Ind Ltd | Single shaft bogie for railway rolling stock |
| CN206141336U (en) * | 2016-09-21 | 2017-05-03 | 比亚迪股份有限公司 | Train and get electric installation thereof |
| CN111231679A (en) * | 2018-11-29 | 2020-06-05 | 比亚迪股份有限公司 | Charging device of rail vehicle and rail transit system |
| CN110667391A (en) * | 2019-09-03 | 2020-01-10 | 中车青岛四方机车车辆股份有限公司 | Rail current receiving device, rail vehicle bogie and power supply rail |
| CN214728208U (en) * | 2020-12-31 | 2021-11-16 | 中车浦镇庞巴迪运输***有限公司 | Straddle type monorail vehicle power collection device |
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Address after: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Applicant after: CRRC Puzhen Alstom Transportation System Co.,Ltd. Address before: No. 69 Mengxi Road, Wuhu Economic and Technological Development Zone, Wuhu City, Anhui Province, 241000 Applicant before: CRRC PUZHEN BOMBARDIER TRANSPORTATION SYSTEMS CO.,LTD. |
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Application publication date: 20210416 |
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