CN206023341U - Urban track traffic ground type super capacitive energy storage device - Google Patents
Urban track traffic ground type super capacitive energy storage device Download PDFInfo
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- CN206023341U CN206023341U CN201620992402.9U CN201620992402U CN206023341U CN 206023341 U CN206023341 U CN 206023341U CN 201620992402 U CN201620992402 U CN 201620992402U CN 206023341 U CN206023341 U CN 206023341U
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Abstract
Problem is wasted in order to solve regenerating braking energy present in urban track traffic, the utility model discloses a kind of urban track traffic ground type super capacitive energy storage device, may be installed in transformer station, can also install in the line, it efficiently solves the problems, such as to increase car weight and takes vehicle space, at the same time, as super capacitor energy storage device and operation vehicle are complete two systems, conveniently maintenance and maintenance.The device includes two-way DC DC converters and ultracapacitor group；Discharge resistance, disconnecting switch, breaker, DC chopped-wave inductance two, filter inductance is provided with two-way DC DC converters；Ultracapacitor group as energy storage medium is consisted of connection in series-parallel super capacitor monomer.
Description
Technical field
The utility model is related to capacitive energy storage device, more particularly to a kind of urban track traffic ground type super capacitance energy storage
Device.
Background technology
Urban track traffic is the important component part in urban public transport system, with freight volume is big, safety and comfort, side
Just quick the advantages of, common species mainly includes subway, light rail, tramcar etc..Allusion quotation of the subway as urban track traffic
Type is represented, and has a wide range of applications space.
At present, the subway of China adopts the mode of traction power supply for vehicle energy supply, and the characteristics of subway system itself is station
Spacing is short, vehicle train operation density is big, frequent starting and braking during whole service.
The braking of railcar is generally used based on regenerative braking, the empty joint system of the electricity supplemented by air damping (friction catch)
Flowing mode.So-called regenerative braking is exactly vehicle in braking, and motor is operated in Generator Status, and the electric energy of generation returns electrical network,
Use for the neighbouring train in traction state；During braking, the electric energy that vehicle can be produced is very considerable, general next
Say that braking energy can reach haulage capacity, if can reasonably be utilized this portion of energy, the saving to energy is produced
The good positive effect of life.But as metro traction rectifier is generally by the way of diode uncontrollable rectifier, braking energy
In addition to a part is absorbed by the adjacent car of traction working condition, most of dump energy cannot discharge and cause Traction networks pressure lifting,
After reaching higher limit, there is regeneration failure.
In the selection of regenerating braking energy processing meanss, resistance energy-dissipating type is that one-time investment cost is minimum, and operation is most
For reliable way, but due to its waste of energy and the problem of thermal pollution, should be phased out in following development；Inversion is returned
The advantage of feedback type is braking energy can be used in time, effectively, but the process of inversion electric energy is needed with electrical network portion
Door Coordination Treatment, generates a lot of accessory problems；Energy-storage system of accumulator has most commonly used application market, but battery itself
Energy density is high, power density is low, inconsistent with the traction of urban track traffic impulse type, braking energy characteristic.
Vehicular super capacitor energy-storage system has small volume, flexible, supplementary energy in urban track traffic
The advantage that can be absorbed by this car at any time of amount, but the energy storage device of this mode increased the weight of vehicle itself, and vehicle
Often increase by 1 ton, annual power consumption oar increases by 10,000 kWh, so can weaken significantly the energy-saving effect of energy storage device.
Content of the invention
Problem is wasted in order to solve regenerating braking energy present in urban track traffic, the utility model provides a kind of city
City's track traffic ground type super capacitive energy storage device, may be installed in transformer station, it is also possible to install in the line, it effectively solves
Having determined increases car weight and takes the problem of vehicle space, at the same time, as super capacitor energy storage device and operation vehicle have been
Full two systems, convenient maintenance and maintenance.
The utility model solves the technical scheme adopted by its technical problem：Urban track traffic ground type super electric capacity
Energy storage device, including bidirectional DC-DC converter and ultracapacitor group；Discharge resistance, isolation is provided with bidirectional DC-DC converter
Switch, breaker, DC chopped-wave inductance two, filter inductance；Bidirectional DC-DC converter is divided into upper and lower two, is provided with and puts in top
Resistance, bottom are divided into left side cabinet and right cabinet, and left side cabinet is divided into two-layer again, is provided with disconnecting switch and breaker in ground floor,
Host computer and electric discharge, scram button is provided with the second layer；Right cabinet is divided into three layers, is preliminary filling electrical circuit, in intermediate layer in bottom
Filter inductance and DC chopped-wave inductance three is provided with, the DC chopped-wave inductance one and DC chopped-wave inductance of vertical arrangement in upper strata, is provided with
Two；Ultracapacitor group as energy storage medium is consisted of connection in series-parallel super capacitor monomer.
Preferably, the super capacitor monomer includes current collector, electrode, electrolyte and separation layer, be provided with electrolyte every
Absciss layer, two electrodes are inserted into the both sides of the separation layer in electrolyte, and form close charge layer in two electrode surfaces, i.e.,
Electric double layer.
The charging process of super capacitor monomer is to insert two electrodes in the electrolytic solution, and applies one therebetween less than electricity
The charging voltage of electrolyte solution decomposition voltage, then the positive and negative ion in electrolyte in the presence of field can rapidly to two polar motions,
Positive plate attracts the anion in electrolyte, and negative plate attracts cation, and forms close electric charge on the surface of electrode respectively
Layer, i.e. electric double layer.Super capacitor monomer is a kind of electrochemical element, but the process of its energy storage does not occur chemical reaction, this
Thermal energy storage process is reversible, can be charged or discharged repeatedly hundreds thousand of times.
Preferably, monomer internal resistance and monomer part internal resistance have collectively constituted the internal resistance of ultracapacitor group, in super capacitor list
During body connection in series-parallel, internal resistance between monomer is made up of the connection cable internal resistance between monomer and contact resistance, and monomer internal resistance is by afflux
Device, electrode, electrolyte and separation layer composition.
Preferably, the electrode adopts porous active carbon resistance rod.Super capacitor forms double electricity in the presence of outer making alive
Layer is similar with the polarization charge that the electrolyte in traditional capacitor is produced under electric field action, but, due to close double charge
Interlamellar spacing is more much smaller than the distance of ordinary capacitor electric charge interlayer, and the mechanism of porous electrode substantially increases electrode surface
Product, so capacity of the super capacitor considerably beyond ordinary capacitor.
The beneficial effect of the utility model urban track traffic ground type super capacitive energy storage device：
1) the urban track traffic ground type super capacitive energy storage device is applied in urban track traffic, when there is residue
During regenerating braking energy, power supply of the urban track traffic equivalent to whole super capacitor energy-storage system, and working as needs haulage capacity
When, it act as the role of super capacitor energy-storage system load again.
2) typical feature of urban track traffic is that station spacing is short, and density of dispatching a car is big, and vehicle frequently draws, brakes, and leads
It is in impulse type to draw with braking energy；Energy-storage system is applied to urban track traffic, urban track traffic ground of the present utility model
Face formula super capacitor energy storage device and urban track traffic characteristic are consistent；Net present in urban track traffic can both have been solved
Pressure fluctuation is big, the problem of regeneration failure, can give full play to the performance of energy storage device again, kill two birds with one stone；Super capacitor energy-storage characteristic
There is good matching with urban track traffic typical condition.
3) the utility model is particularly suited for long-term work in the urban track traffic of the fast charging and discharging state of second level
During.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model urban track traffic ground type super capacitive energy storage device.
Fig. 2 is the structural representation of bidirectional DC-DC converter.
Fig. 3 is the structural representation of super capacitor monomer.
Fig. 4 is the internal resistance structural representation of ultracapacitor group.
In figure, 1, public electric wire net, 2, step-down transformer, 3, rectification unit, 4, bidirectional DC-DC converter, 5, super capacitor
Device group, 6, dc bus, 7, negative pole backflow bus, 41, discharge resistance, 42, host computer, 43, electric discharge, scram button, 44, isolation
Switch and breaker, 441, disconnecting switch, 442, breaker, 45, DC chopped-wave inductance one, 46, DC chopped-wave inductance two, 47,
Filter inductance, 48, DC chopped-wave inductance three, 49, preliminary filling electrical circuit, 50, super capacitor monomer, 51, current collector, 52, electrode,
53rd, separation layer, 54, electrolyte, 55, electric double layer, internal resistance between 56, monomer, R1, R5 are current collector resistance；R2, R4 are electrode electricity
Resistance；R3 is electrolyte/separation layer resistance；C1, C2 are electrode capacitance；R6, R8 are connection cable contact resistance；R7 is connection cable
Internal resistance.
Specific embodiment
Fig. 1 and Fig. 2 is refer to, the urban track traffic ground type super capacitive energy storage device of this specific embodiment is installed on
In public electric wire net circuit or transformer station, bidirectional DC-DC converter, ultracapacitor group and public electric wire net, step-down transformer, rectification
Unit constitutes urban track traffic ground type super capacitor energy storage system.This specific embodiment, urban track traffic ground type surpass
Level capacitive energy storage device, including bidirectional DC-DC converter and ultracapacitor group；Electric discharge electricity is provided with bidirectional DC-DC converter
Resistance, disconnecting switch, breaker, DC chopped-wave inductance two, filter inductance；Bidirectional DC-DC converter is divided into upper and lower two, top
Inside be provided with discharge resistance, bottom is divided into left side cabinet and right cabinet, left side cabinet is divided into two-layer again, be provided with ground floor disconnecting switch with
Breaker, is provided with host computer and electric discharge, scram button in the second layer；Right cabinet is divided into three layers, is preliminary filling electrical circuit in bottom, in
Filter inductance and DC chopped-wave inductance three is provided with interbed, and the DC chopped-wave inductance one and direct current for being provided with vertical arrangement in upper strata is cut
Ripple inductance two；Ultracapacitor group as energy storage medium is consisted of connection in series-parallel super capacitor monomer.
Fig. 3 is refer to, the super capacitor monomer includes current collector, electrode, electrolyte and separation layer, is provided with electrolyte
Separation layer, two electrodes are inserted into the both sides of the separation layer in electrolyte, and form close charge layer in two electrode surfaces,
That is electric double layer.
The charging process of super capacitor monomer is to insert two electrodes in the electrolytic solution, and applies one therebetween less than electricity
The charging voltage of electrolyte solution decomposition voltage, then the positive and negative ion in electrolyte in the presence of field can rapidly to two polar motions,
Positive plate attracts the anion in electrolyte, and negative plate attracts cation, and forms close electric charge on the surface of electrode respectively
Layer, i.e. electric double layer.Super capacitor monomer is a kind of electrochemical element, but the process of its energy storage does not occur chemical reaction, this
Thermal energy storage process is reversible, can be charged or discharged repeatedly hundreds thousand of times.
Refer to Fig. 4, monomer internal resistance and monomer part internal resistance have collectively constituted the internal resistance of ultracapacitor group, in super capacitor
During monomer connection in series-parallel, internal resistance between monomer is made up of the connection cable internal resistance between monomer and contact resistance, and monomer internal resistance is by collecting
Stream device, electrode, electrolyte and separation layer composition.R1, R5 are current collector resistance；R2, R4 are electrode resistance；R3 be electrolyte/every
Absciss layer resistance；C1, C2 are electrode capacitance；R6, R8 are connection cable contact resistance；R7 is connection cable internal resistance.
Used as further improvement of the utility model, the electrode adopts porous active carbon resistance rod.Super capacitor is additional
It is similar with the polarization charge that the electrolyte in traditional capacitor is produced under electric field action that electric double layer is formed in the presence of voltage, but
Be, due to the distance of close electric double layer gap ratio ordinary capacitor electric charge interlayer much smaller, and the mechanism pole of porous electrode
The earth increased electrode surface area, so capacity of the super capacitor considerably beyond ordinary capacitor.
Exemplary description is carried out to the utility model above in conjunction with accompanying drawing, it is clear that realization of the present utility model is not received
The restriction of aforesaid way, as long as employing the various improvement that technical solutions of the utility model are carried out, or not improved says this practicality
New design and technical scheme are applied to other occasions, in protection model of the present utility model.
Claims (4)
1. urban track traffic ground type super capacitive energy storage device, it is characterised in that including bidirectional DC-DC converter and super
Capacitor bank；Discharge resistance, disconnecting switch, breaker, DC chopped-wave inductance two, filtered electrical is provided with bidirectional DC-DC converter
Sense；Bidirectional DC-DC converter is divided into upper and lower two, is provided with discharge resistance in top, and bottom is divided into left side cabinet and right cabinet, left
Sidecar is divided into two-layer again, is provided with disconnecting switch and breaker in ground floor, be provided with the second layer host computer and electric discharge, jerk by
Button；Right cabinet is divided into three layers, is preliminary filling electrical circuit, is provided with filter inductance and DC chopped-wave inductance three in intermediate layer in bottom, on
The DC chopped-wave inductance one and DC chopped-wave inductance two of vertical arrangement is provided with layer；Ultracapacitor group as energy storage medium is
It is made up of by connection in series-parallel super capacitor monomer.
2. urban track traffic ground type super capacitive energy storage device according to claim 1, it is characterised in that described super
Level electric capacity monomer includes current collector, electrode, electrolyte and separation layer, is provided with separation layer in electrolyte, and two electrodes are inserted into electricity
The both sides of the separation layer in solution liquid, and close charge layer, i.e. electric double layer is formed in two electrode surfaces.
3. urban track traffic ground type super capacitive energy storage device according to claim 2, it is characterised in that in monomer
Resistance and monomer part internal resistance have collectively constituted the internal resistance of ultracapacitor group, during super capacitor monomer connection in series-parallel, between monomer
Internal resistance is made up of the connection cable internal resistance between monomer and contact resistance, and monomer internal resistance is by current collector, electrode, electrolyte and separation layer
Composition.
4. urban track traffic ground type super capacitive energy storage device according to claim 2, it is characterised in that the electricity
Pole adopts porous active carbon resistance rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992402.9U CN206023341U (en) | 2017-01-22 | 2017-01-22 | Urban track traffic ground type super capacitive energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992402.9U CN206023341U (en) | 2017-01-22 | 2017-01-22 | Urban track traffic ground type super capacitive energy storage device |
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| CN206023341U true CN206023341U (en) | 2017-03-15 |
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| CN201620992402.9U Expired - Fee Related CN206023341U (en) | 2017-01-22 | 2017-01-22 | Urban track traffic ground type super capacitive energy storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617207A (en) * | 2018-12-12 | 2019-04-12 | 北京交通大学 | Vehicle-mounted super capacitor tandem type topological structure and the control device of the structure, method |
| CN110165762A (en) * | 2018-03-09 | 2019-08-23 | 河南机电职业学院 | A kind of urban track traffic ground super capacitor energy storage device |
-
2017
- 2017-01-22 CN CN201620992402.9U patent/CN206023341U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165762A (en) * | 2018-03-09 | 2019-08-23 | 河南机电职业学院 | A kind of urban track traffic ground super capacitor energy storage device |
| CN110165762B (en) * | 2018-03-09 | 2023-07-18 | 河南机电职业学院 | Urban rail transit ground super capacitor energy storage device |
| CN109617207A (en) * | 2018-12-12 | 2019-04-12 | 北京交通大学 | Vehicle-mounted super capacitor tandem type topological structure and the control device of the structure, method |
| CN109617207B (en) * | 2018-12-12 | 2021-04-06 | 北京交通大学 | Vehicle-mounted super capacitor series topology structure and control device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20190122 |