City rail vehicle current collection device
Technical field
The present invention relates to electrical technology, particularly relate to a kind of city rail vehicle current collection device.
Background technology
Electric locomotive and city rail vehicle are all adopt electric energy as its power resources, and its operation cost is low, long service life, free from environmental pollution, and have the advantages such as higher starting loop and climbing capacity, become intercity and incity, city main traffic instrument.
The current collection mode of electric locomotive and city rail vehicle generally has two kinds, and namely contact net is flowed and third rail supply system. For contact net current collection mode, need to lay high-voltage contact net in the whole piece circuit overhead that city rail vehicle runs, pantograph is arranged on city rail vehicle top, pantograph collector head is provided with carbon slipper, when city rail vehicle rises pantograph, its carbon slipper contacts with contact net and is flowed, the power supply needed for supply city rail vehicle. Contact net current collection mode needs to build supporting infrastructure, if contact net support column is to support and fixing contact net. Substantial amounts of light pole built by current urban road, provides illumination for the road that city rail vehicle is travelled. Function and the pattern of contact net support column and light pole both infrastructure are essentially identical, but have built respectively and applied, and repeat to occupy urban road space, also result in the great wasting of resources.
Summary of the invention
The present invention provides a kind of city rail vehicle current collection device, repeats to take urban road space, the problem of waste resource, it is achieved reduce the urban road space shared by infrastructure for solving the infrastructure of current collection device in prior art, reduces the wasting of resources.
The embodiment of the present invention provides a kind of city rail vehicle current collection device, including contact net with by stream bar;
Described contact net is arranged on the top of city rail vehicle, by being arranged on the contact net at described city rail vehicle top and prop up support arrangement and lowering or hoisting gear realizing oscilaltion, described is realized being flowed by stream bar to pass through to contact;
The described middle part being subject to stream bar to be arranged on light pole, by being arranged on being propped up support arrangement support by stream bar and fixing in the middle part of described light pole, to be powered to described contact net by stream bar by described.
Contact net is arranged on city rail vehicle top by the city rail vehicle current collection device that the embodiment of the present invention provides, it is arranged on the light pole of road both sides by stream bar, electric energy is provided with the current collection mode being subject to stream bar to contact for city rail vehicle by contact net, solve the infrastructure of current collection device in prior art to repeat to take urban road space, the problem of waste resource, decrease the urban road space shared by infrastructure, and reduce the waste of resource. And adopt technique scheme to avoid all road pavements passed through at city rail vehicle to be connected with the contact net of high-tension electricity, reduce potential safety hazard.
Accompanying drawing explanation
The mounting structure schematic diagram of contact net in the city rail vehicle current collection device that Fig. 1 provides for the embodiment of the present invention one;
The mounting structure top view of contact net in the city rail vehicle current collection device that Fig. 2 provides for the embodiment of the present invention one;
The mounting structure right view of contact net in the city rail vehicle current collection device that Fig. 3 provides for the embodiment of the present invention one;
The similar alternative arrangements top view of contact net in the city rail vehicle current collection device that Fig. 4 provides for the embodiment of the present invention one;
Another mounting structure top view of contact net in the city rail vehicle current collection device that Fig. 5 provides for the embodiment of the present invention one;
By the mounting structure schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 6 provides for the embodiment of the present invention one;
By the similar alternative arrangements schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 7 provides for the embodiment of the present invention one;
By another mounting structure schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 8 provides for the embodiment of the present invention one;
The structural representation of the city rail vehicle current collection device that Fig. 9 provides for the embodiment of the present invention two.
Detailed description of the invention
Embodiment one
The mounting structure schematic diagram of contact net in the city rail vehicle current collection device that Fig. 1 provides for the embodiment of the present invention one, the mounting structure top view of contact net in the city rail vehicle current collection device that Fig. 2 provides for the embodiment of the present invention one, the mounting structure right view of contact net in the city rail vehicle current collection device that Fig. 3 provides for the embodiment of the present invention one, the similar alternative arrangements top view of contact net in the city rail vehicle current collection device that Fig. 4 provides for the embodiment of the present invention one, another mounting structure top view of contact net in the city rail vehicle current collection device that Fig. 5 provides for the embodiment of the present invention one, by the mounting structure schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 6 provides for the embodiment of the present invention one, by the similar alternative arrangements schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 7 provides for the embodiment of the present invention one, by another mounting structure schematic diagram of stream bar in the city rail vehicle current collection device that Fig. 8 provides for the embodiment of the present invention one. as shown in figures 1-8, city rail vehicle current collection device includes contact net 1 and by stream bar 2.
Wherein, described contact net 1 is arranged on the top of city rail vehicle 3, by being arranged on the contact net at described city rail vehicle 3 top and prop up support arrangement and lowering or hoisting gear realizing oscilaltion, described is realized being flowed by stream bar 2 to pass through to contact. The described middle part being subject to stream bar 2 to be arranged on light pole 4, by being arranged on being propped up support arrangement support by stream bar and fixing in the middle part of described light pole 4, to be powered to described contact net 1 by stream bar 2 by described.
Contact net 1 is arranged on the top of city rail vehicle 3, parallel with the direction of headstock to the tailstock, and the length of contact net 1 can set according to length of wagon, can be slightly less than length of wagon. Contact net 1 can be made up of the good metal of electric conductivity, and inside could be arranged to hollow, to alleviate the weight of contact net 1.Contact net 1 is propped up support arrangement by least one pair of contact net being arranged on city rail vehicle top and fixes, and contact net props up support arrangement and includes contact net support arm 11 and contact net supports insulative 12, and each contact net props up support arrangement and at least includes 3 insulators 12 for supporting. City rail vehicle 3 is additionally provided with lowering or hoisting gear for driving contact net support arm 11 oscilaltion, so drive contact net 1 rise with contact by stream bar realize flowed, or decline be subject to flow bar separate. Contact net supports insulative 12 is arranged on city rail vehicle top, lowering or hoisting gear is connected on contact net supports insulative 12, one end of contact net support arm 11 is connected with this lowering or hoisting gear, the other end is connected with contact net 1, wherein contact net 1 and contact net prop up the concrete mounting means of support arrangement and can adopt existing by method conventional in Flow Technique, and lowering or hoisting gear may be used without the lowering or hoisting gear that prior art middle orbit city rail vehicle is conventional. Contact net supports insulative 12 can be set according to speed, supply voltage and environmental rating, and including setting the material of insulator, size, quantity and layout, this is not construed as limiting by the present embodiment.
The middle part of light pole 4 it is arranged on by stream bar 2, its height can set according to the height that the height of city rail vehicle 3 and contact net support arm 11 can rise, length can set according to the width of city rail vehicle 3 and concrete road conditions, under the premise that security is guaranteed so that contact net 1 can normally and stably touch by stream bar 2. Support arrangement support is propped up and fixing by the stream bar that is subject to being arranged in the middle part of light pole 4 by stream bar 2, propped up support arrangement by stream bar to include being subject to stream bar support 21 and by stream bar supports insulative 22, wherein it is arranged on light pole 4 by stream bar supports insulative 22, by stream bar 2 by being fixed on by stream bar supports insulative 22 by stream bar support 21, stretch out curb, powered to it by the mode contacted with contact net 1.
The work process of city rail vehicle current collection device is: driver driving city rail vehicle is when light pole 4, control system by city rail vehicle and send the signal rising contact net 1, start lowering or hoisting gear, contact net support arm 11 is made to drive contact net 1 to raise, until with being kept in touch by stream bar 2 on light pole 4, form loop to rail 5 with supply line through the wheel of steel. Electric energy is by being transmitted to city rail vehicle 3 by the electrical contact of stream bar 2 with contact net 1, it is provided that to city rail vehicle trailer system.
Contact net is arranged on city rail vehicle top by the city rail vehicle current collection device that the present embodiment provides, it is arranged on the light pole of road both sides by stream bar, contact by contact net with by stream bar provides traction electric energy for city rail vehicle, solve the infrastructure of current collection device in prior art to repeat to take urban road space, the problem of waste resource, decrease the urban road space shared by infrastructure, and reduce the waste of resource. And adopt technique scheme to avoid all road pavements passed through at city rail vehicle to be connected with the contact net of high-tension electricity, reduce potential safety hazard.
Preferably, contact net two ends can be arranged to lower curved arc shape, it is prevented that in city rail vehicle driving process, and contact net inserts by stream bar support and is subject in the space between stream bar, initiating failure. The one end being stretched out curb by stream bar may be configured as curved arc shape, increases the area that can contact with contact net, and improves safety. Contact net can be arranged to multistage, and each section adopts a pair contact net to prop up support arrangement for supporting, and adopts multistage contact net to be conducive to improving degree of flexibility when city rail vehicle is turned.
Optionally, the lowering or hoisting gear in technique scheme can adopt pneumatic mode to drive contact net to realize oscilaltion, it is possible to adopts electric drive mode, or adopts means well known to those skilled in the art to drive contact net to realize oscilaltion. Contact net in such scheme adopts the good metal of electric conductivity to make, and carbon or carbon alloy can be adopted to make by stream bar so that contact net be that soft or hard contacts by stream bar, it is prevented that the two produces electric arc initiating failure, raising reliability in the moment of contact.
Technique scheme, by changing contact net and by the shape or the quantity that flow bar, the mode adopting soft or hard material to interact, improves city rail vehicle by stability and the safety of flowing through journey.
On the basis of such scheme, it is possible to arrange energy storage device on city rail vehicle, it is possible to charge to energy storage device in being flow through journey, so that city rail vehicle maintains the normally traveling of city rail vehicle when by non-Electric region or power-off of short duration in stream bar.
Embodiment two
The structural representation of the city rail vehicle current collection device that Fig. 9 provides for the embodiment of the present invention two. As it is shown in figure 9, on the basis of above-described embodiment technical scheme, this city rail vehicle current collection device can also include unit flow controlled, it is used for controlling described being powered or power-off by stream bar.
Described unit flow controlled includes power supply base station 61 and signal reader 62, signal reader 62 is arranged on the underground near light pole 4, for sending vehicle closing signal to described power supply base station 61 when city rail vehicle 3 closes on described light pole 4 when detecting, maybe when detecting that sending vehicle to described power supply base station 61 when described city rail vehicle 3 leaves described light pole 4 leaves signal, powered or power-off by stream bar 2 described in controlling.
Power supply base station 61 arranges on the ground, can control multiple to be powered or power-off by stream bar 2, is powered to being subject to flow bar by controlling switch 63 by the internal pre-buried cable of ground and electric pole. Signal reader 62 is embedded in the underground near light pole 4, the sensor that electromagnetic induction principle is made can be adopted, accordingly, Magnet can be installed in city rail vehicle 3, when city rail vehicle 3 is near light pole 4, sensing element in signal reader 62 produces faradic current, sends vehicle closing signal to power supply base station 61. Power supply base station 61 receives the vehicle closing signal that signal reader 62 sends, and controls corresponding switch 63 Guan Bi, passes into high-tension electricity to being subject to stream bar 2. When the contact net 1 at city rail vehicle 3 top is raised up to and touches by stream bar 2, power supply base station 61 is powered to the trailer system of city rail vehicle 3 by closed-loop path. After city rail vehicle leaves, in signal reader 62, faradic current disappears, and sends vehicle to power supply base station 61 and leaves signal, then power supply base station 61 controls the disconnection of corresponding switch 63, makes to be subject to stream bar power-off.
Contact net is arranged on city rail vehicle top by the city rail vehicle current collection device that the present embodiment provides, it is arranged on the light pole of road both sides by stream bar, contact by contact net with by stream bar provides traction electric energy for city rail vehicle, solve the infrastructure of current collection device in prior art to repeat to take urban road space, the problem of waste resource, decrease the urban road space shared by infrastructure, and reduce the waste of resource. Adopting the city rail vehicle current collection device that the present embodiment provides, on average every urban transportation circuit saves contact net 20km and a supporting support arrangement, saves support column 1000. City rail vehicle by stream more intelligent, city rail vehicle near time to be subject to stream bar power, leave rear power-off so that fault rate reduce more than 30%, reduce potential safety hazard.All being embedded in underground due to signal reader, cable and switch etc., reliability is higher, reduces maintenance times, reduces cost.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit; Although the present invention being described in detail with reference to foregoing embodiments, those of ordinary skill in the art are it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic carries out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.