CN204547810U - A kind of roof of train electric supply installation - Google Patents
A kind of roof of train electric supply installation Download PDFInfo
- Publication number
- CN204547810U CN204547810U CN201520196662.0U CN201520196662U CN204547810U CN 204547810 U CN204547810 U CN 204547810U CN 201520196662 U CN201520196662 U CN 201520196662U CN 204547810 U CN204547810 U CN 204547810U
- Authority
- CN
- China
- Prior art keywords
- inner cone
- cone sleeve
- electric supply
- supply installation
- sleeve pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Cable Accessories (AREA)
Abstract
本实用新型提供一种列车车顶供电装置，包括一个封闭气室，封闭气室内设置多个内锥套管，包括相互连接的用于气室进线的进线内锥套管以及用于气室出线的出线内锥套管。本实用新型的一种列车车顶供电装置，受环境因素(如空气湿度、灰尘及紫外线照射等)影响小，绝缘性能好，故障点少。
The utility model provides a power supply device for a train roof, which comprises a closed air chamber, in which a plurality of inner cone bushings are arranged, including mutually connected inner cone bushings for the inlet line of the air chamber and inner cone bushings for the gas chamber. The outlet inner tapered sleeve of the room outlet. The power supply device for a train roof of the utility model is less affected by environmental factors (such as air humidity, dust and ultraviolet radiation, etc.), has good insulation performance, and has few failure points.
Description
技术领域technical field
本实用新型涉及中高压电力系统应用领域，尤其是一种主要用于列车供电系统的列车车顶供电装置。The utility model relates to the application field of medium and high voltage power systems, in particular to a train roof power supply device mainly used in a train power supply system.
背景技术Background technique
参见图1，目前列车车顶供电时通过受电弓与接触网导线连接，然后将一根两端装有干式电缆接头8的电力电缆2，一端连接至列车受电弓，另一端连接至支柱绝缘子进行固定。再将另一根两端装有干式电缆接头8的电力电缆2，一端连接至列车车头，另一端连接至另一只支柱绝缘子。两只支柱绝缘子之间电连接。另外，避雷器5、电压互感器6、RC阻容吸收装置7置于支柱绝缘子旁边，通过导线或铜排与干式电缆接头8电连接。以上设备均为空气绝缘，受环境因素(如空气湿度、灰尘及紫外线照射等)影响大，绝缘性能差，故障点多，事故率高，占用空间大，运行维护成本高，且列车高速运行时，由于风力作用，对以上设备机械抗弯能力要求也非常高。Referring to Fig. 1, at present, when the train roof is powered, it is connected to the catenary wire through the pantograph, and then a power cable 2 with a dry cable joint 8 at both ends is connected to the train pantograph at one end, and the other end is connected to the Post insulators are fixed. Then another power cable 2 with dry cable connector 8 at both ends is connected to the train locomotive at one end, and another post insulator at the other end. Electrical connection between two post insulators. In addition, the arrester 5, the voltage transformer 6, and the RC absorption device 7 are placed next to the post insulator, and are electrically connected to the dry cable joint 8 through wires or copper bars. The above equipment is air-insulated, greatly affected by environmental factors (such as air humidity, dust and ultraviolet radiation, etc.), poor insulation performance, many fault points, high accident rate, large space occupation, high operation and maintenance costs, and when the train runs at high speed , Due to the wind force, the requirements for the mechanical bending resistance of the above equipment are also very high.
发明内容Contents of the invention
为了解决背景技术中所存在的问题，本实用新型提供一种列车车顶供电装置，受环境因素(如空气湿度、灰尘及紫外线照射等)影响小，绝缘性能好，故障点少。In order to solve the problems in the background technology, the utility model provides a train roof power supply device, which is less affected by environmental factors (such as air humidity, dust and ultraviolet radiation, etc.), has good insulation performance, and has few failure points.
本实用新型的具体技术解决方案如下：The concrete technical solution of the utility model is as follows:
一种列车车顶供电装置，其特征在于：所述供电装置包括一个封闭气室，所述封闭气室内设置多个内锥套管，包括用于气室进线的进线内锥套管以及用于气室出线的出线内锥套管，所述进线内锥套管与出线内锥套管电连接。A power supply device on the roof of a train, characterized in that: the power supply device includes a closed air chamber, and a plurality of inner tapered bushings are arranged in the closed air chamber, including inner tapered bushings for the incoming line of the air chamber and The outlet inner tapered sleeve used for the outlet of the air chamber, the inlet inner tapered sleeve is electrically connected to the outlet inner tapered sleeve.
上述进线内锥套管是1个或多个，每个进线内锥套管由一根进线电力电缆电连接至列车受电弓。There are one or more incoming line inner tapered bushings, and each incoming line inner tapered bushing is electrically connected to the train pantograph by an incoming line power cable.
上述进线电力电缆与进线内锥套管连接的一端设置插拔式电缆接头，进线电力电缆与进线内锥套管插拔式连接。One end of the above-mentioned incoming power cable connected to the incoming inner tapered bushing is provided with a pluggable cable joint, and the incoming power cable is plugged and connected to the incoming inner tapered bushing.
上述出线内锥套管是1个或多个，每个出线内锥套管由一根出线电力电缆电连接至列车用电系统。There are one or more outgoing inner tapered sleeves, and each outgoing inner tapered sleeve is electrically connected to the train power system by an outgoing power cable.
上述出线电力电缆与出线内锥套管连接的一端设置插拔式电缆接头，出线电力电缆与出线内锥套管插拔式连接。One end of the outlet power cable connected to the outlet inner cone bushing is provided with a plug-in cable joint, and the outlet power cable is pluggably connected to the outlet inner cone bushing.
上述供电装置还包括避雷器，所述避雷器是屏蔽式插接避雷器，与内锥套管插拔式连接。The above-mentioned power supply device also includes a lightning arrester, which is a shielded plug-in lightning arrester and is pluggably connected to the inner tapered bushing.
上述供电装置还包括电压互感器，所述电压互感器与内锥套管插拔式连接或通过一端装有插拔式电缆接头的电力电缆电连接。The above-mentioned power supply device also includes a voltage transformer, which is pluggably connected to the inner cone bushing or electrically connected through a power cable with a pluggable cable joint at one end.
上述供电装置还包括RC阻容吸收装置，所述RC阻容吸收装置与内锥套管插拔式连接或通过一端装有插拔式电缆接头的电力电缆电连接。The above-mentioned power supply device also includes an RC resistance-capacitance absorption device, and the RC resistance-capacity absorption device is pluggably connected to the inner cone bushing or electrically connected through a power cable with a plug-in cable connector at one end.
上述封闭气室内充有绝缘气体，所述绝缘气体是SF6或氮气或高压空气等。The above-mentioned closed air chamber is filled with insulating gas, and the insulating gas is SF 6 or nitrogen or high-pressure air.
上述进线内锥套管和出线内锥套管之间设有开关，所述进线内锥套管和出线内锥套管与壳体接地之间设有接地开关。A switch is provided between the inner tapered sleeve of the incoming line and the inner tapered sleeve of the outgoing line, and a grounding switch is provided between the inner tapered sleeve of the incoming line and the internal tapered sleeve of the outgoing line and the housing ground.
本实用新型提供的列车车顶供电装置，受环境因素(如空气湿度、灰尘及紫外线照射等)影响小，绝缘性能好，故障点少，采用金属外壳气室，占用空间小，各个器件之间的连接采用插拔式连接，运行维护成本低，且事故率低。The power supply device on the train roof provided by the utility model is less affected by environmental factors (such as air humidity, dust and ultraviolet radiation, etc.), has good insulation performance, and has fewer failure points. The connection adopts plug-in connection, which has low operation and maintenance costs and low accident rate.
附图说明Description of drawings
图1是本实用新型的现有技术结构示意图；Fig. 1 is the prior art structural representation of the utility model;
图2是本实用新型的结构示意图；Fig. 2 is a structural representation of the utility model;
具体实施方式Detailed ways
参见图2，本实用新型是一种列车车顶供电装置，包括一个封闭气室1，封闭气室1内设置多个内锥套管，包括用于气室进线的进线内锥套管以及用于气室出线的出线内锥套管。进线内锥套管与出线内锥套管电连接；封闭气室内充有绝缘气体，绝缘气体是SF6或氮气或高压空气等。内锥套管可以根据需要用于气室进线、出线、连接电压互感器、连接避雷器、连接RC阻容吸收装置等设备。进线内锥套管是1个或多个，每个进线内锥套管由一根进线电力电缆2电连接至列车受电弓。进线电力电缆2与进线内锥套管连接的一端设置插拔式电缆接头3，进线电力电缆2与进线内锥套管插拔式连接。进线电力电缆2一端为干式电缆接头8，通过支柱绝缘子9与受电弓连接。出线内锥套管是1个或多个，每个出线内锥套管由一根出线电力电缆4电连接至列车用电系统。出线电力电缆4与出线内锥套管连接的一端设置插拔式电缆接头3，出线电力电缆4与出线内锥套管插拔式连接。进线内锥套管和出线内锥套管之间可以设有开关，另进线内锥套管和出线内锥套管与壳体接地之间也可以设有接地开关。Referring to Fig. 2, the utility model is a power supply device on the roof of a train, which includes a closed air chamber 1, and a plurality of inner cone bushings are arranged in the closed air chamber 1, including inner tapered bushings for the incoming line of the air chamber And the outlet inner tapered sleeve for the outlet of the gas chamber. The inner tapered sleeve of the incoming line is electrically connected with the inner tapered sleeve of the outgoing line; the closed air chamber is filled with insulating gas, and the insulating gas is SF 6 or nitrogen or high-pressure air. The inner cone bushing can be used for the inlet and outlet of the gas chamber, the connection of the voltage transformer, the connection of the lightning arrester, the connection of the RC resistance-capacity absorption device and other equipment according to the needs. There are one or more inner tapered bushings for the incoming line, and each inner tapered bushing for the incoming line is electrically connected to the train pantograph by an incoming power cable 2 . One end of the incoming power cable 2 connected to the incoming tapered bushing is provided with a plug-in cable joint 3, and the incoming power cable 2 is pluggably connected to the incoming tapered bushing. One end of the incoming power cable 2 is a dry cable joint 8, which is connected to the pantograph through a post insulator 9. There are one or more outgoing inner tapered sleeves, and each outgoing inner tapered sleeve is electrically connected to the train power system by an outgoing power cable 4 . One end of the outlet power cable 4 connected to the outlet inner tapered sleeve is provided with a plug-in cable joint 3, and the outlet power cable 4 is pluggably connected to the outlet inner tapered sleeve. A switch can be provided between the inner tapered sleeve of the incoming line and the inner tapered sleeve of the outgoing line, and a grounding switch can also be provided between the inner tapered sleeve of the incoming line and the outgoing line and the shell ground.
供电装置还包括避雷器5、电压互感器6、RC阻容吸收装置7；避雷器5是屏蔽式插接避雷器，与内锥套管插拔式连接；电压互感器6与内锥套管插拔式连接或通过一端装有插拔式电缆接头的电力电缆电连接；RC阻容吸收装置7与内锥套管插拔式连接或通过一端装有插拔式电缆接头的电力电缆电连接。The power supply device also includes a lightning arrester 5, a voltage transformer 6, and an RC resistance-capacitance absorption device 7; the lightning arrester 5 is a shielded plug-in lightning arrester, which is pluggable connected with the inner cone bushing; the voltage transformer 6 is pluggable with the inner cone bushing Connected or electrically connected through a power cable with a plug-in cable connector at one end; the RC resistance-capacitance absorbing device 7 is plug-in connected with the inner cone sleeve or electrically connected through a power cable with a plug-in cable connector at one end.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196662.0U CN204547810U (en) | 2015-04-02 | 2015-04-02 | A kind of roof of train electric supply installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196662.0U CN204547810U (en) | 2015-04-02 | 2015-04-02 | A kind of roof of train electric supply installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547810U true CN204547810U (en) | 2015-08-12 |
Family
ID=53822961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520196662.0U Expired - Lifetime CN204547810U (en) | 2015-04-02 | 2015-04-02 | A kind of roof of train electric supply installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688494A (en) * | 2020-07-01 | 2020-09-22 | 青岛润威交通设备有限公司 | Vehicle-mounted power receiving system |
-
2015
- 2015-04-02 CN CN201520196662.0U patent/CN204547810U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111688494A (en) * | 2020-07-01 | 2020-09-22 | 青岛润威交通设备有限公司 | Vehicle-mounted power receiving system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102157830B (en) | Solid insulating bus connector | |
| CN204927924U (en) | 40kV cubical switchboard | |
| CN204547810U (en) | A kind of roof of train electric supply installation | |
| CN205178364U (en) | Female structure that allies oneself with interval transversal arrangement of 126kVGIS | |
| CN205388922U (en) | Composite covering has series gap metal oxide lightning arrester for 420kV alternating current transmission line | |
| CN103093906A (en) | High voltage casing pipe | |
| CN203734251U (en) | Three-phase common box bus used for 252kV high-voltage switch | |
| CN104505758A (en) | Configuration method of 110kV outdoor flexible busbar improved half-high distribution device | |
| CN201252379Y (en) | Super-high voltage direct current six-splitting squirrel-case type hard jumper device | |
| CN216215412U (en) | A three-phase common box type GIS device | |
| CN103730842B (en) | High-impedance loop in transformer substation | |
| CN104393426B (en) | A kind of method reducing potential difference between earth conductor and device thereof | |
| CN103594952A (en) | Solid insulation measuring cabinet with separation disconnecting link | |
| CN202549509U (en) | Built-in lightning arrester insulator for 10-kilovolt distribution circuit | |
| CN202737115U (en) | Grounding structure of high voltage single core cable metal outer sheath | |
| CN203760885U (en) | Pole-mounted distribution transformation system | |
| CN204663115U (en) | 10kV multiloop switch steel pipe pole | |
| CN104143778B (en) | Sleeve wire inlet/outlet device and connection barrel thereof | |
| CN203632009U (en) | A high resistance circuit in a substation | |
| CN204558677U (en) | A kind of terminal block | |
| CN204808979U (en) | Naked insulating sheath for stranded conductor | |
| CN203026895U (en) | Outlet device with shielding cases in insulated transmission line | |
| CN205081387U (en) | Prefabricated cabin formula transformer substation of word formula of arranging | |
| CN202906363U (en) | Outdoor integrated lightning arrester with buffer layer | |
| CN205212529U (en) | A low-voltage emergency access device for a generator car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150812 |
|
| CX01 | Expiry of patent term |