CN101396971B - Current-collection protection device for electric locomotive and special converter thereof - Google Patents
Current-collection protection device for electric locomotive and special converter thereof Download PDFInfo
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- CN101396971B CN101396971B CN2008101433495A CN200810143349A CN101396971B CN 101396971 B CN101396971 B CN 101396971B CN 2008101433495 A CN2008101433495 A CN 2008101433495A CN 200810143349 A CN200810143349 A CN 200810143349A CN 101396971 B CN101396971 B CN 101396971B
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- pantograph
- electric locomotive
- shell
- arc extinguish
- extinguish chamber
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Abstract
The invention discloses a power receiving protection device which is applied to an electric locomotive and a special converter thereof, which belongs to a converter that is used for the power reception of the electric locomotive. The invention mainly aims at solving the problem in the prior art that two sets of pantographs of the electric locomotive can not be separated respectively and convertedautomatically, etc. The technical point is as follows: the lower ends of two groups of master conversion contacts which are arranged in parallel are respectively linked with the upper end of a transmission rod; the lower end of the transmission rod is linked with a transmission mechanism; each group of master conversion contacts are respectively arranged in the insulation shells of arc chutes; the transmission rod and the transmission mechanism are respectively installed in a supporting insulation shell; the outer side of the upper end of each insulation shell of the arc chute is respectivelyprovided with the wire inlet end of a pantograph; the upper ends of the insulation shells of the arc chutes are fixedly provided with protective cover plates; wire outlet ends which are connected with a main circuit breaker is respectively connected with the wire outlet ends of the two groups of master conversion contacts. By using the two groups of master conversion contacts, the invention can respectively and effectively isolate a damaged front pantograph or a damaged rear pantograph outside the main circuit breaker, can ensure that the locomotive can continue to work, and can be widely applied to the power reception part of the electric locomotive.
Description
Technical field
The present invention relates to a kind of special converter that is used for the electric locomotive current-collection protection device.
Background technology
Background technology
At present, the power receiving section branch of existing electric locomotive comprises that front and back 2 cover pantographs and the power supply be made up of preceding pantograph 1SD, back pantograph 2SD join, electric current is through line circuit breaker QD and high-tension current inductor 1LH and the net side overcurrent relay YGJ car owner's voltage transformer of meeting sb. at the airport, simultaneously, in order to prevent thunderbolt, and line circuit breaker QD and lightning arrester FDQ are joined.Though the design of the pantograph of existing electric locomotive has pantograph 1SD and back pantograph 2SD before 2 covering devices, because they by cable connection together, effectively isolates and conversion automatically thereby 2 cover pantographs can not be distinguished.Sometimes also, a covering device has influence on another set of use because of damaging.Because of pantograph and roof electrical equipment are the extremely important positions of electric locomotive, be the lifeblood of locomotive, and in actual use, often scrape many faults that cause such as bow, ground connection, insulation reduction or lightning arrester damage, as long as there is an end that above-mentioned fault takes place, the other end can not use, and then influence whole locomotive and work on and whole suspension of service, whole withdrawal of train is waited for rescue, thereby influence all operations, seriously disturb normal transportation-production at the rail train.
Summary of the invention
The purpose of this invention is to provide a kind of special converter that is used for the electric locomotive current-collection protection device that can between the pantograph of front and back, automatically switch.
The technical solution adopted for the present invention to solve the technical problems is: it comprises that front and back 2 cover pantographs and the power supply be made up of preceding pantograph 1SD, back pantograph 2SD join, electric current is through line circuit breaker QD and high-tension current inductor 1LH and the net side overcurrent relay YGJ car owner's voltage transformer of meeting sb. at the airport, and line circuit breaker QD and lightning arrester FDQ are joined, between front and back pantograph 1SD, 2SD and line circuit breaker QD, install and be subjected to electric automatic switch ZHQ.The described 2 road main ends of incoming cables that make conversion contact that are subjected to electric automatic switch ZHQ respectively with preceding pantograph 1SD, back pantograph 2SD joins, 2 groups of masters make conversion contact be set up in parallel, every group of master makes the lower end of conversion contact link with drive link 7 upper ends respectively, the lower end and the transmission device of drive link 7 link, every group of master makes conversion contact, drive link 7 and drive motor constitute vertical distribution and connect, every group of master makes conversion contact be installed in respectively in the arc extinguish chamber insulated shell 5, drive link 7 and transmission device are installed in respectively in the supports insulative shell 6, the outside, upper end of each arc extinguish chamber insulated shell 5 is respectively arranged with the end of incoming cables 4 that connects pantograph, end of incoming cables 4 makes the end of incoming cables of conversion contact link with every group of master respectively, is fixed with protective cover plate 1 in the upper end of arc extinguish chamber insulated shell 5; Captive joint between arc extinguish chamber insulated shell 5 and the supports insulative shell 6, and between arc extinguish chamber insulated shell 5 and supports insulative shell 6, be set with the leading-out terminal 9 that connects line circuit breaker, leading-out terminal 9 makes the leading-out terminal of conversion contact join with 2 groups of masters respectively, and the bottom of 2 supports insulative shells 6 is installed on the base 12; Or be provided with and the intelligent control box that matched by electric automatic switch ZHQ.Described master makes conversion contact can adopt vacuum interrupter 3.Described arc extinguish chamber insulated shell 5 and supports insulative shell 6 all can adopt inner chamber to be columned high-tension porcelain insulator or to adopt other high voltage withstanding material to make.Described arc extinguish chamber insulated shell 5 can adopt flange to be connected with supports insulative shell 6; Also can between arc extinguish chamber insulated shell 5 and supports insulative shell 6, be provided with sealing arrangement 15.Also can make and be provided with high pressure resisting Silicon rubber packed layer 2 between conversion contact and the arc extinguish chamber insulated shell 5 every group of master.Also the outer end of the protective cover plate 1 that can install in the upper end of arc extinguish chamber insulated shell 5 is fixed with seal cover board 14, is provided with sealing layer between protective cover plate 1 and the seal cover board 14.
Transmission device of the present invention can adopt cylinder 8 transmissions, base 12 can adopt box structure, be provided with air pipe interface 11, the automatically controlled connection seat 10 of electromagnetic valve in the side of base 12, the automatically controlled connection seat 10 of air pipe interface 11 and electromagnetic valve joins with the gas circuit and the electrical controller of cylinder 8 respectively, and cylinder 8 links with solenoid directional control valve 13.
Transmission device of the present invention also can adopt hydraulic gear, base 12 can adopt box structure, be provided with hydraulic circuit interface, the automatically controlled connection seat 10 of electromagnetic valve in the side of base 12, the automatically controlled connection seat 10 of hydraulic circuit interface and electromagnetic valve joins with hydraulic gear and electrical controller respectively, and hydraulic gear and solenoid directional control valve 13 link.Described transmission device also can adopt electromagnetism transmission mechanism or other mechanical transmission mechanism.
Another embodiment of the present invention: install between front and back pantograph 1SD, 2SD and line circuit breaker QD and isolate breaker device, preceding pantograph 1SD, back pantograph 2SD isolate breaker device with front and back respectively and join.Described isolation breaker device can adopt and comprise circuit breaker, relay or vac switch.
The invention has the beneficial effects as follows: the present invention is subjected to electric automatic switch ZHQ by installing between front and back pantograph 1SD, 2SD and line circuit breaker QD; thereby can make conversion contact respectively impaired preceding pantograph or back pantograph effectively be cut off outside advancing line circuit breaker by utilizing 2 groups of masters; thereby make another road still be in closure state locomotive still can be worked on, wait for rescue and needn't shut down.Employing the present invention also can be in conjunction with the roof insulation detection device of the use of entrucking, whole top of car can be carried out the segmentation inspection, when checking in car, can in time change bus attendant, can avoid taking place pantograph and catenary fault with drawing for the second time, improve the Occupation coefficient of locomotive, can safeguard normal transport order effectively.It can be widely used in power receiving section part of electric locomotive.
Description of drawings
Fig. 1 is the existing structure principle schematic before transforming.
Fig. 2 is the structural representation of embodiment 1.
Fig. 3 is the structural representation of embodiment 3.
Fig. 4 is a pneumatic structure sketch of the present invention.
Fig. 5 is the structural representation that locomotive is subjected to electric automatic switch.
Fig. 6 is the plan structure scheme drawing of Fig. 5.
Among the figure: 1-protective cover plate, the high pressure resisting Silicon rubber packed layer of 2-, 3-vacuum interrupter, 4-connects the end of incoming cables of pantograph, 5-arc extinguish chamber insulated shell, 6-supports insulative shell, the 7-drive link, 8-cylinder, 9-connect the leading-out terminal of line circuit breaker, the automatically controlled connection seat of 10-electromagnetic valve, the 11-air pipe interface, 12-base, 13 electromagnetic valve 1YA, 2YA, the 14-seal cover board, 15 sealing arrangements; Pantograph before the 1SD-, pantograph behind the 2SD-, ZHQ-is subjected to electric automatic switch, QD-line circuit breaker, FDQ-lightning arrester, 1LH-high-tension current inductor, YGJ-net side overcurrent relay.
The specific embodiment
That the invention will be further described is as follows below in conjunction with embodiment:
Embodiment 1, it comprises that front and back 2 cover pantographs and the power supply be made up of preceding pantograph 1SD, back pantograph 2SD join the present invention, electric current is through line circuit breaker QD and high-tension current inductor 1LH and the net side overcurrent relay YGJ car owner's voltage transformer of meeting sb. at the airport, simultaneously, in order to prevent thunderbolt, and line circuit breaker QD and lightning arrester FDQ are joined, between front and back pantograph 1SD, 2SD and line circuit breaker QD, install and be subjected to electric automatic switch ZHQ.The described 2 road main ends of incoming cables that make conversion contact that are subjected to electric automatic switch ZHQ respectively with preceding pantograph 1SD, back pantograph 2SD joins, adopt 2 groups of masters to make conversion contact be set up in parallel, described master makes conversion contact adopt vacuum interrupter 3 herein, the lower end of each vacuum interrupter 3 links with drive link 7 upper ends respectively, the lower end and the transmission device of drive link 7 link, described transmission device adopts cylinder 8 transmissions herein, each vacuum interrupter 3,8 one-tenth vertical distribution of drive link 7 and cylinder connect, each vacuum interrupter 3 is installed in respectively in the arc extinguish chamber insulated shell 5, drive link 7 and cylinder 8 are installed in respectively in the supports insulative shell 6, described arc extinguish chamber insulated shell 5 and supports insulative shell 6 adopt the high-tension porcelain insulator of cylindric inner chamber herein, also can adopt other high voltage withstanding material to make.The outside, upper end of each arc extinguish chamber insulated shell 5 is respectively arranged with the end of incoming cables 4 that connects pantograph, the inner of end of incoming cables 4 links with the end of incoming cables of each vacuum interrupter 3 respectively, can adopt flange to connect between arc extinguish chamber insulated shell 5 and the supports insulative shell 6, also can between arc extinguish chamber insulated shell 5 and supports insulative shell 6, be provided with sealing arrangement 15; Be fixed with protective cover plate 1 in the upper end of arc extinguish chamber insulated shell 5, yet can be fixed with seal cover board 14, and can between protective cover plate 1 and seal cover board 14, be provided with sealing layer in the outer end of protective cover plate 1.The present invention also is set with the leading-out terminal 9 that connects line circuit breaker between arc extinguish chamber insulated shell 5 and supports insulative shell 6, leading-out terminal 9 joins with the leading-out terminal of 2 vacuum interrupters 3 respectively, attaching parts is set and makes it between the arc extinguish chamber insulated shell 5 of both sides and the supports insulative shell 6 and link together, leading-out terminal 9 can be arranged on the attaching parts, the bottom of 2 supports insulative shells 6 is installed on the base 12 of box structure, and be provided with air pipe interface 11 in the side of base 12, the automatically controlled connection seat 10 of electromagnetic valve, the automatically controlled connection seat 10 of air pipe interface 11 and electromagnetic valve joins with the gas circuit and the electrical controller of cylinder 8 respectively, and cylinder 8 links with solenoid directional control valve 13.More firm in order to install, also high pressure resisting Silicon rubber packed layer 2 can be set between each vacuum interrupter 3 and arc extinguish chamber insulated shell 5.Consult Fig. 1,2,4,5 and Fig. 6.
The present invention mainly is that the power receiving section at existing electric locomotive divides to exist and causes defective and design, though the 2 cover current-collecting devices that the design of the pantograph of existing electric locomotive is made up of preceding pantograph 1SD and back pantograph 2SD, but because they by cable connection together, effectively isolate and conversion automatically thereby 2 cover pantographs can not be distinguished, also have influence on another set of use sometimes because of a covering device damages.The present invention is subjected to electric automatic switch ZHQ by installing between front and back pantograph 1SD, 2SD and line circuit breaker QD, promptly 2 ends of incoming cables 4 join with preceding pantograph 1SD, back pantograph 2SD respectively, under normal circumstances, 2 vacuum interrupters 3 all are in closure state, but when 1 vacuum interrupter 3 was in the partition state, another 1 vacuum interrupter 3 still is in closure state still can work on locomotive.In the locomotive operation process; as ground connection is taken place, lightning arrester explodes, scrapes the destruction of insulation that faults such as bow cause any pantograph of lightning arrester or front and back; then can make conversion contact that impaired preceding pantograph or back pantograph are effectively cut off outside advancing line circuit breaker by utilizing 2 groups of masters; another road then still is in closure state still can work on locomotive, waits for rescue and needn't shut down.Employing the present invention also can be in conjunction with the roof insulation detection device of the use of entrucking, whole top of car can be carried out the segmentation inspection, when checking in car, can in time change bus attendant, can avoid taking place pantograph and catenary fault with drawing for the second time, improve the Occupation coefficient of locomotive, can safeguard normal transport order effectively.
Embodiment 2, transmission device of the present invention also can adopt hydraulic gear, side at the base 12 of box structure is provided with hydraulic circuit interface, the automatically controlled connection seat 10 of electromagnetic valve, the automatically controlled connection seat 10 of hydraulic circuit interface and electromagnetic valve joins with hydraulic gear and electrical controller respectively, and hydraulic gear and solenoid directional control valve 13 link.Described transmission device also can adopt electromagnetism transmission mechanism or other mechanical transmission mechanism.Consult Fig. 1,2,4,5 and Fig. 6, all the other are with embodiment 1.
Claims (7)
1. special converter that is used for the electric locomotive current-collection protection device, current-collection protection device comprises by preceding pantograph 1SD, front and back 2 cover pantographs and power supply that back pantograph 2SD forms join, electric current is through line circuit breaker QD and high-tension current inductor 1LH and the net side overcurrent relay YGJ car owner's voltage transformer of meeting sb. at the airport, and line circuit breaker QD and lightning arrester FDQ are joined, it is characterized in that: at front and back pantograph 1SD, install between 2SD and the line circuit breaker QD and be subjected to electric automatic switch ZHQ, the described 2 road main ends of incoming cables that make conversion contact that are subjected to electric automatic switch ZHQ respectively with preceding pantograph 1SD, back pantograph 2SD joins, 2 groups of masters make conversion contact be set up in parallel, every group of master makes the lower end of conversion contact link with drive link (7) upper end respectively, the lower end and the transmission device of drive link (7) link, every group of master makes conversion contact, drive link (7) and drive motor constitute vertical distribution and connect, every group of master makes conversion contact be installed in respectively in the arc extinguish chamber insulated shell (5), drive link (7) and transmission device are installed in respectively in the supports insulative shell (6), the outside, upper end of each arc extinguish chamber insulated shell (5) is respectively arranged with the end of incoming cables (4) that connects pantograph, end of incoming cables (4) makes the end of incoming cables of conversion contact link with every group of master respectively, and the upper end of arc extinguish chamber insulated shell (5) is fixed with protective cover plate (1); Captive joint between arc extinguish chamber insulated shell (5) and the supports insulative shell (6), and between arc extinguish chamber insulated shell (5) and supports insulative shell (6), be set with the leading-out terminal (9) that connects line circuit breaker, leading-out terminal (9) makes the leading-out terminal of conversion contact join with 2 groups of masters respectively, and the bottom of 2 supports insulative shells (6) is installed on the base (12).
2. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1; it is characterized in that: described master makes conversion contact adopt vacuum interrupter (3), and arc extinguish chamber insulated shell (5) and supports insulative shell (6) adopt inner chamber to be columned high-tension porcelain insulator or to adopt other high voltage withstanding material to make.
3. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1, it is characterized in that: arc extinguish chamber insulated shell (5) adopts flange to be connected with supports insulative shell (6); Or between arc extinguish chamber insulated shell (5) and supports insulative shell (6), be provided with sealing arrangement (15).
4. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1, it is characterized in that: every group of master makes between conversion contact and the arc extinguish chamber insulated shell (5) and is provided with high pressure resisting Silicon rubber packed layer (2).
5. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1; it is characterized in that: the outer end of the protective cover plate (1) that the upper end of arc extinguish chamber insulated shell (5) installs is fixed with seal cover board (14), is provided with sealing layer between protective cover plate (1) and the seal cover board (14).
6. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1; it is characterized in that: described transmission device adopts cylinder (8) transmission; base (12) adopts box structure; be provided with air pipe interface (11), the automatically controlled connection seat of electromagnetic valve (10) in the side of base (12); air pipe interface (11) and the automatically controlled connection seat of electromagnetic valve (10) join with the gas circuit and the electrical controller of cylinder (8) respectively, and cylinder (8) links with solenoid directional control valve (13).
7. according to the described special converter that is used for the electric locomotive current-collection protection device of claim 1; it is characterized in that: described transmission device adopts hydraulic gear; base (12) adopts box structure; be provided with hydraulic circuit interface, the automatically controlled connection seat of electromagnetic valve (10) in the side of base (12); the automatically controlled connection seat of hydraulic circuit interface and electromagnetic valve (10) joins with hydraulic gear and electrical controller respectively, and hydraulic gear and solenoid directional control valve (13) link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101433495A CN101396971B (en) | 2008-10-17 | 2008-10-17 | Current-collection protection device for electric locomotive and special converter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101433495A CN101396971B (en) | 2008-10-17 | 2008-10-17 | Current-collection protection device for electric locomotive and special converter thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101396971A CN101396971A (en) | 2009-04-01 |
| CN101396971B true CN101396971B (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101433495A Expired - Fee Related CN101396971B (en) | 2008-10-17 | 2008-10-17 | Current-collection protection device for electric locomotive and special converter thereof |
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| CN (1) | CN101396971B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112172617B (en) * | 2020-10-14 | 2022-03-01 | 中车青岛四方机车车辆股份有限公司 | Control circuit and rail vehicle |
| CN112485618A (en) * | 2020-12-08 | 2021-03-12 | 宁波华祥技术服务有限公司 | High-voltage testing device and high-voltage testing method |
| CN113036916A (en) * | 2021-03-08 | 2021-06-25 | 武汉理工大学 | High-voltage isolation protection device of electric locomotive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367341A (en) * | 2008-10-08 | 2009-02-18 | 湖南中通电气有限公司 | Electric receiving apparatus for electric locomotive and special converter thereof |
| CN201333943Y (en) * | 2008-10-17 | 2009-10-28 | 湖南中通电气有限公司 | Electric locomotive power-receiving protecting automatic converter |
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2008
- 2008-10-17 CN CN2008101433495A patent/CN101396971B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367341A (en) * | 2008-10-08 | 2009-02-18 | 湖南中通电气有限公司 | Electric receiving apparatus for electric locomotive and special converter thereof |
| CN201333943Y (en) * | 2008-10-17 | 2009-10-28 | 湖南中通电气有限公司 | Electric locomotive power-receiving protecting automatic converter |
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| CN101396971A (en) | 2009-04-01 |
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| C14 | Grant of patent or utility model | ||
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| C56 | Change in the name or address of the patentee |
Owner name: HUNAN ZHONGTONG ELECTRIC CO., LTD. Free format text: FORMER NAME: HENAN ZHONGTONG ELECTRIC CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 411104 Hunan city of Xiangtan province high tech Zone Double Road No. 27 Innovation Park building A3 Patentee after: HUNAN ZHONGTONG ELECTRIC CO., LTD. Address before: 411104 Hunan Province, Xiangtan city Yuetang District Shuangyong Road No. 2 Torch Innovation Park No. 3 factory Patentee before: Hunan Zhongtong Electric Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20181017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |