CN207045137U - High aititude EMUs high-pressure system and EMUs - Google Patents

High aititude EMUs high-pressure system and EMUs Download PDF

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Publication number
CN207045137U
CN207045137U CN201720930655.8U CN201720930655U CN207045137U CN 207045137 U CN207045137 U CN 207045137U CN 201720930655 U CN201720930655 U CN 201720930655U CN 207045137 U CN207045137 U CN 207045137U
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China
Prior art keywords
emus
pressure system
aititude
high voltage
cable
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CN201720930655.8U
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Inventor
牟清波
张作钦
徐广伟
孙传铭
刘茂盛
焦京海
丁叁叁
梁建英
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Abstract

The utility model discloses a kind of High aititude EMUs high-pressure system and EMUs, including pantograph, ground protection switch, high voltage isolator, hv cable termination, high-pressure spiral wire jumper and arrester;The pantograph is connected by high voltage copper conductor with high-tension cable;The high voltage copper conductor is provided with arrester and ground protection switchs;The high-tension cable is multi-segment structure, and the connection end of each section of high-tension cable is equipped with the hv cable termination, and the hv cable termination is provided with bus supporting insulator;The hv cable termination of the high-tension cable of two adjacent sections car body is connected by high-pressure spiral wire jumper.The high-pressure system has higher electric clearance and creep age distance, under conditions of vehicle gauge is met so that roof high voltage component meets the requirement of High aititude insulating properties, so as to meet use demand of the High aititude EMUs under high conditions.

Description

High aititude EMUs high-pressure system and EMUs
Technical field
It the utility model is related to rail vehicle technical field, the height for the EMUs that can be particularly run in high altitude localities Pressure system.The utility model further relates to the EMUs provided with the high-pressure system.
Background technology
The high-pressure system of EMUs is for the power network above track to be delivered into motor train unit traction system, and is supplied for auxiliary The equipment of electric system power supply, its performance are most important to the safe normal operation of EMUs.
Existing most of EMUs are merely able to run in low altitude area or Zhonghai36-1 asphalt, when driving into high altitude localities, Due to the change of environment, it may appear that operational reliability, stability decline and the problems such as various failures, and one of those is main former Because be that its high-pressure system electric clearance and creep age distance it is relatively low, high altitude environment can not be adapted to, it is impossible in plateau height Normal use under altitude conditions.
Therefore, a kind of EMUs high-pressure system that can adapt to high altitude environment how is designed, is those skilled in the art The technical issues that need to address.
Utility model content
The purpose of this utility model is to provide a kind of High aititude EMUs high-pressure system.The high-pressure system has higher electricity Gas gap and creep age distance, under conditions of vehicle gauge is met so that roof high voltage component meets High aititude insulating properties It is required that so as to meet use demand of the High aititude EMUs under high conditions.
Another object of the present utility model is to provide a kind of EMUs provided with the high-pressure system.
To achieve the above object, the utility model provides a kind of High aititude EMUs high-pressure system, including pantograph, ground connection Protection switch, high voltage isolator, hv cable termination, high-pressure spiral wire jumper and arrester;The pantograph is provided with by electricity Bend insulator, and be connected by high voltage copper conductor with high-tension cable;The high voltage copper conductor is provided with high voltage isolator, the One ground wire and the second ground wire, first ground wire are provided with arrester, and second ground wire is provided with ground protection Switch;The high-tension cable is multi-segment structure, and the connection end of each section of high-tension cable is equipped with the high-tension cable end End, the hv cable termination are provided with bus supporting insulator;The hv cable termination of the high-tension cable of two adjacent sections car body leads to High-pressure spiral wire jumper is crossed to be connected.
Preferably, the height of the pantograph insulator is 430mm-460mm.
Preferably, the height of the pantograph insulator is 450mm.
Preferably, the port distance of the high voltage isolator is 400mm-450mm, the insulation of the high voltage isolator Sub- height is 460mm-520mm.
Preferably, the port distance of the high voltage isolator is 430mm, and the insulator of the high voltage isolator is highly For 500mm.
Preferably, the height of the bus supporting insulator is 530mm-580mm.
Preferably, the height of the bus supporting insulator is 560mm.
Preferably, the disconnecting link of the ground protection switch is highly 550mm-620mm.
Preferably, the disconnecting link of the ground protection switch is highly 600mm.
To realize above-mentioned second purpose, the present invention provides a kind of EMUs, including more piece car body and located at the car body top The high-pressure system in portion, the high-pressure system are the High aititude EMUs high-pressure system described in any of the above-described.
EMUs high-pressure system provided by the utility model, annexation and arrangement to each part have been done further Improve, its pantograph is provided with pantograph insulator, and is connected by high voltage copper conductor with high-tension cable, is set in high voltage copper conductor There are high voltage isolator, the first ground wire and the second ground wire, the first ground wire is provided with arrester, and the second ground wire is provided with Ground protection switchs, and high-tension cable is multi-segment structure, and the connection end of each section of high-tension cable is equipped with hv cable termination, high Voltage cable terminal is provided with bus supporting insulator, and the hv cable termination of the high-tension cable of two adjacent sections car body passes through high pressure spiral shell Rotation wire jumper is connected.The high-pressure system has higher electric clearance and creep age distance, under conditions of vehicle gauge is met, makes The requirement that roof high voltage component meets High aititude insulating properties is obtained, is made so as to meet High aititude EMUs under high conditions Use demand.
EMUs provided by the utility model are provided with the High aititude EMUs high-pressure system, due to the High aititude motor-car Group high-pressure system has above-mentioned technique effect, then the EMUs provided with the High aititude EMUs high-pressure system should also have corresponding Technique effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of High aititude EMUs high-pressure system disclosed in the utility model embodiment;
Fig. 2 is the top view of High aititude EMUs high-pressure system shown in Fig. 1;
Fig. 3 is the electrical schematic diagram of High aititude EMUs high-pressure system shown in Fig. 1.
In figure:
1. the ground protection of 4. high voltage isolator of pantograph 2. arrester, 3. pantograph insulator 5. switchs 6. buses The high-pressure spiral wire jumper of 7. hv cable termination of supporting insulator, 8. high voltage copper conductor 9.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is new to this practicality below in conjunction with the accompanying drawings The embodiment of type is described in further detail.
Herein, the term such as " upper and lower, left and right " is established based on position relationship shown in the drawings, with reference to the accompanying drawings Difference, corresponding position relationship is also possible to change therewith, therefore, can not be understood as to the exhausted of protection domain To limiting;Moreover, the relational terms of such as " first " and " second " or the like be used merely to have one with another it is identical The part of title makes a distinction, and not necessarily require either imply between these parts exist any this actual relation or Sequentially.
Fig. 1, Fig. 2, Fig. 3 are refer to, Fig. 1 is a kind of High aititude EMUs high-pressure system disclosed in the utility model embodiment Structural representation;Fig. 2 is the top view of High aititude EMUs high-pressure system shown in Fig. 1;Fig. 3 is High aititude motor-car shown in Fig. 1 The electrical schematic diagram of group high-pressure system.
As illustrated, the High aititude EMUs high-pressure system that the present embodiment provides, is mainly opened by pantograph 1, ground protection The parts such as 5, high voltage isolator 4, hv cable termination 7, high-pressure spiral wire jumper 9 and arrester 2 are closed to form.
Pantograph 1 is arranged on car body top, can carry out lifting action, and to obtain electric energy from power network, it is exhausted that it is provided with pantograph Edge 3, and be connected by high voltage copper conductor 8 with high-tension cable;High voltage copper conductor 8 connects provided with high voltage isolator 4, first Ground wire and the second ground wire, the first ground wire are provided with arrester 2, and the second ground wire is provided with ground protection switch 5, uses height Pressure copper conductor 8 carries out conduction, has that internal resistance is small, power saving, current-carrying capacity is big, tensile strength is high, corrosion-resistant, service life length etc. is excellent Point.
Ground protection switch 5 is used for the safe operation for protecting people and equipment, and when ground protection switch, which leads 5, to be led to, electric current can Run through ground wire and flow into the earth, play the safety of protection people and equipment, avoid fault spread.
High voltage isolator 4 is used to ensure the safety of High-Voltage Electrical Appliances and device in service work, plays the work of isolation voltage With;Hv cable termination 7 while can also improve power cable end electric field in addition to sealing power cable effect is played, so as to Power transmission and transformation other equipment or device connection;High-pressure spiral wire jumper 9 has certain elastic telescopic due to being helical structure Amount, when the horizontal and vertical distance between car body changes, elastic deformation can be carried out therewith and is pulled without pulling Disconnected phenomenon;Arrester 2 is used to protect electrical equipment against high transient overvoltage harm during thunderbolt, and limits time of afterflow.
High-tension cable is multi-segment structure, and the connection end of each section of high-tension cable is equipped with hv cable termination 7, i.e. high pressure The connection of connection end, high-tension cable and high-pressure spiral wire jumper 9 between the connection end of cable and high voltage copper conductor 8, high-tension cable End and the connection end of high-tension cable and load equipment are equipped with hv cable termination 7, and hv cable termination 7 is provided with bus branch Insulator 6 is supportted, the hv cable termination 7 of the high-tension cable of two adjacent sections car body is connected by high-pressure spiral wire jumper 9.
On top view, high-tension cable is longitudinally arranged along length over ends of body direction, and the main part of high voltage copper conductor 8 is positioned at height The side of voltage cable, arrester 2 and high voltage isolator 4 are located at the same side of high-tension cable, and ground protection switch 5 is located at high pressure The opposite side of cable.
Specifically, the height of pantograph insulator 3 is 430mm-460mm, and its preferred height is 450mm;High_voltage isolation is opened The port distance for closing 4 is 400mm-450mm, and its preferred distance is 430mm;The insulator of high voltage isolator 4 is highly 460mm-520mm, its preferred height is 500mm;The height of bus supporting insulator 6 is 530mm-580mm, and it is preferably highly 560mm;The disconnecting link of ground protection switch 5 is highly 550mm-620mm, and its preferred height is 600mm.
The utility model carries out re-optimization design to roof high voltage component structure and layout, led to according to High aititude characteristic Cross height above sea level amendment lending analysis and adapt to optimization, the parameters such as each part mechanical structure, umbrella skirt construction are lifted, while in car Increase the mounting distance between each part in the system architecture layout of top so that high-pressure system roof structure is meeting vehicle gauge On the basis of, the electric clearance at least with 436mm and 1350mm creep age distance, meet EMUs high-pressure system in height over the ground Altitude Regions electrical insulation properties requirement, solves what existing EMUs high-pressure system can not use under the high altitude condition of plateau Problem, and the design for High aititude EMUs provides design reference.
Above-described embodiment is only preferred scheme of the present utility model, is specifically not limited thereto, on this basis can basis It is actually needed and makes with targetedly adjusting, so as to obtain different embodiments.For example, the parameter of each part can set In the range of be determined, etc. according to being actually needed.Because mode in the cards is more, just no longer illustrate one by one here It is bright.
Except above-mentioned High aititude EMUs high-pressure system, the utility model also provides a kind of EMUs, including more piece car body With the high-pressure system located at car body top, wherein, high-pressure system is the above High aititude EMUs high-pressure system, remaining Structure refer to prior art, repeat no more herein.
High aititude EMUs high-pressure system provided by the utility model and EMUs are described in detail above.This Apply specific case in text to be set forth principle of the present utility model and embodiment, the explanation of above example is It is used to help understand core concept of the present utility model.It should be pointed out that for those skilled in the art, On the premise of not departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and Modification is also fallen into the protection domain of the utility model claims.

Claims (10)

1. High aititude EMUs high-pressure system, including pantograph, ground protection switch, high voltage isolator, hv cable termination, High-pressure spiral wire jumper and arrester;Characterized in that, the pantograph is provided with pantograph insulator, and pass through high voltage copper conductor It is connected with high-tension cable;The high voltage copper conductor is provided with high voltage isolator, the first ground wire and the second ground wire, described First ground wire is provided with arrester, and second ground wire is provided with ground protection and switched;The high-tension cable is multisection type Structure, the connection end of each section of high-tension cable are equipped with the hv cable termination, and the hv cable termination is provided with mother Line supporting insulator;The hv cable termination of the high-tension cable of two adjacent sections car body is connected by high-pressure spiral wire jumper.
2. High aititude EMUs high-pressure system according to claim 1, it is characterised in that the height of the pantograph insulator Spend for 430mm-460mm.
3. High aititude EMUs high-pressure system according to claim 2, it is characterised in that the height of the pantograph insulator Spend for 450mm.
4. High aititude EMUs high-pressure system according to claim 1, it is characterised in that the end of the high voltage isolator Mouth distance is 400mm-450mm, and the insulator of the high voltage isolator is highly 460mm-520mm.
5. High aititude EMUs high-pressure system according to claim 4, it is characterised in that the end of the high voltage isolator Mouth distance is 430mm, and the insulator of the high voltage isolator is highly 500mm.
6. High aititude EMUs high-pressure system according to claim 1, it is characterised in that the bus supporting insulator Highly it is 530mm-580mm.
7. High aititude EMUs high-pressure system according to claim 6, it is characterised in that the bus supporting insulator Highly it is 560mm.
8. High aititude EMUs high-pressure system according to claim 1, it is characterised in that the knife of the ground protection switch Lock is highly 550mm-620mm.
9. High aititude EMUs high-pressure system according to claim 8, it is characterised in that the knife of the ground protection switch Lock is highly 600mm.
10. EMUs, including more piece car body and the high-pressure system located at the car body top, it is characterised in that the high pressure system Unite as the High aititude EMUs high-pressure system described in any one of the claims 1 to 9.
CN201720930655.8U 2017-07-28 2017-07-28 High aititude EMUs high-pressure system and EMUs Active CN207045137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720930655.8U CN207045137U (en) 2017-07-28 2017-07-28 High aititude EMUs high-pressure system and EMUs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720930655.8U CN207045137U (en) 2017-07-28 2017-07-28 High aititude EMUs high-pressure system and EMUs

Publications (1)

Publication Number Publication Date
CN207045137U true CN207045137U (en) 2018-02-27

Family

ID=61496817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720930655.8U Active CN207045137U (en) 2017-07-28 2017-07-28 High aititude EMUs high-pressure system and EMUs

Country Status (1)

Country Link
CN (1) CN207045137U (en)

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