CN1629005A - Trolleybus off-line running method - Google Patents
Trolleybus off-line running method Download PDFInfo
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- CN1629005A CN1629005A CN 200410054285 CN200410054285A CN1629005A CN 1629005 A CN1629005 A CN 1629005A CN 200410054285 CN200410054285 CN 200410054285 CN 200410054285 A CN200410054285 A CN 200410054285A CN 1629005 A CN1629005 A CN 1629005A
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- ultracapacitor
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This invention relates to a trolley bus off-line operation new method by use of super capacity as power. The super capacity provides the energy to the bus when in operation and stores energy in other time. It determines the single quantity according to bus voltage degree and super capacity working voltage and forms the super capacity power module with even voltage composed of temperature management, voltage monitoring and alarming.
Description
One, technical field:
The present invention relates to a kind of method of trackless trolley car off-line operation, particularly disclose a kind of propulsion source that uses ultracapacitor as trackless trolley car off-line operation, belong to energy technology and electric field.
Two, background technology:
Along with the scale in city constantly enlarges and the increase of population, because of the city environmental pollution that the vehicle cause serious day by day, as emission from vehicles etc.Using electric vehicle is an importance improving city environmental pollution.Trackless electric car of public traffic cost is low, pollution is little, is one of electric vehicle that generally adopts in the present city.But the shortcoming of this vehicle is: must connect up in the high-altitude on its route of advancing, so that obtain the electric power support.But high-altitude wiring not only influences the appearance of the city looks in city to a certain extent, causes secondary pollution, and the existence of electric wire also brought the maintenance and repair expense of potential danger and great number, particularly in important commercial district and densely populated place; Next is that the vehicle operating manoevreability is poor, and electric car is in case disengaging is subjected to wire mesh, and vehicle is with out of service, and therefore, having caused car is the serious obstruction of traffic.In order to solve in the visual pollution of downtown area and the hidden danger of traffic tie-up, people have adopted the way of electric car off-line operation, use electrochemical power source to provide the electric power support as electric car at the derailing traffic coverage.At present, alternative conventional chemical power supply comprises lead-acid storage battery, nickel-hydrogen accumulator, lithium-ions battery and fuel cell etc.Still do not satisfy the vehicle operation requirement service life of lead-acid storage battery, nickel-hydrogen accumulator, lithium-ions battery, in addition, its charging rate is slow, daily attention is loaded down with trivial details, and the safety of power type ni-mh, lithium ion battery still is not resolved; Above defective will be to limit the major obstacle of its application; And the safety issue of fuel cell self and a battery hydrogen source difficult problem can not obtain basic solution at short notice.Therefore, can predict, above-mentioned several chemical energy sources are at city bus, and particularly the application on the trackless trolley car still has certain degree of difficulty.
Ultracapacitor (Supercapacitor, Ultracapacitor) have another name called " electrochemical capacitor (ElectrochemicalCapacitor, EC) " be a kind of later-model closed-center system.Formed solid-liquid two-phase interface carried out the energy storage when it contacted with battery acid by electrode active material.Usually the electrode active material that adopts is a porous activated carbon, the very big (3000m of its specific surface area
2/ g), can form very big interface bilayer, thus considerable integrating capacitor obtained.This shows that ultracapacitor belongs to the storage of double electrode layer physical charge on energy storage principle, electrode structure can not change when discharging and recharging.Therefore, it is big that ultracapacitor has a specific power, discharges and recharges rapidly, and long life and cleaning, advantage such as pollution-free are generally had an optimistic view of its application in electric automobiles.
Three, summary of the invention:
The objective of the invention is to: provide a kind of and improve trackless trolley car off-line when operation electric energy solution, even the electrical source of power when moving as the trackless trolley car off-line with ultracapacitor with high power density and higher energy density, long service life.
Technical scheme of the present invention is: a kind of trolley bus off-line operation new method by use, when it is characterized in that trackless trolley car off-line operation, ultracapacitor is as the electrical source of power of electric car, described ultracapacitor is by the monomer series-connected ultracapacitor assembly that constitutes of ultracapacitor, voltage according to trackless trolley car distance travelled, maximum power and electric car operation, determine ultracapacitor amount of monomer, energy, internal resistance, the discharge when adopting intelligence control system to realize the gauze charging of ultracapacitor and electric car off-line.When electric car enters when being subjected to grid line, electric car drives and uses the netting twine electric energy, simultaneously ultracapacitor is charged.When ultracapacitor need charge, intelligence control system is sent braking instruction to power-supply controller of electric, charge to ultracapacitor by the power controller controls charger again, the state-of-charge of simultaneity factor monitoring super cond, determine the closing time of charging, the effect of high pressure ancillary system is a transformation of carrying out line voltage.When electric car enters off-line operation highway section, send the traction instruction by intelligence control system to power-supply controller of electric, through the motor driver drive motor, move by powered vehicle by power-supply controller of electric for ultracapacitor.Speed sensor can show the trackless trolley car rotating speed of motor, carries out control.Below with the above-mentioned principle of work of block diagram illustrating.
With respect to the storage battery that adopts, adopt the propulsion source of ultracapacitor as the off-line operation, the tractive performance of electric car is splendid, speed can reach the effect that netting twine drives, can also remove electrically-charged worry every night from, in addition, the long life of ultracapacitor, long-term normal use of vehicle can be guaranteed, and ultracapacitor needn't be changed.
Four, description of drawings:
Accompanying drawing is a principle of work block scheme of the present invention.
Five, the specific embodiment:
Voltage class according to trackless trolley car off-line distance travelled, maximum power and electric car operation, determine the index such as energy, internal resistance, amount of monomer of ultracapacitor monomer, as having adopted 360 monomers in the present embodiment, stored energy is 7kwh, can drive electric car operation 6km.
With the monomer series-connected combination of ultracapacitor, constitute the ultracapacitor assembly.When unit construction designed, the ultracapacitor monomer can be selected a kind of in symmetric form ultracapacitor and asymmetric ultracapacitor kind, symmetric form for example: active carbon/active carbon ultracapacitor, for example asymmetric: nickel oxide/active carbon ultracapacitor.Ultracapacitor has been made detailed description in the ZL02217073.1 patent, at this not with describing in detail.And take into full account because the heat that cond is produced when high-power operation is reserved enough heat-dissipating spaces, on the assembly casing, cooling fan is installed.
Each monomer of ultracapacitor is equipped with the voltage automatic equalizer, and when the ultracapacitor monomer voltage surpassed assigned voltage, the voltage equalizer on this monomer was worked automatically, and monomer can not damaged in overvoltage.
The ultracapacitor assembly is provided with temperature management system, and when the cond operating temperature reached specified value, temperature was controlled it and will be started cooling fan and dispel the heat, and cond is operated in the working temperature range; When the super capacitor actuator temperature surpasses the warning temperature, temperature management system will send warning, remind driver's cooling of stopping.
The ultracapacitor assembly is provided with the monomer voltage monitoring system, and this system can react each monomer voltage situation timely and accurately, also can report to the police according to charging/discharging voltage state judgement monomer failure condition, so that in time get rid of.
The work that the discharges and recharges control of ultracapacitor relies on an intelligence control system to realize, intelligence control system is controlled power-supply controller of electric and charger according to the state-of-charge of travel condition of vehicle and cond, the discharge when the gauze charging of realization cond and electric car off-line.
Above-mentioned voltage automatic equalizer, temperature management system, monomer voltage monitoring system and intelligence control system are produced and the modularization supply by Shanghai and health electronics corporation.
Claims (5)
1. trolley bus off-line operation new method by use, it is characterized in that: during trackless trolley car off-line operation, ultracapacitor is as the electrical source of power of electric car, described ultracapacitor is by the monomer series-connected ultracapacitor assembly that constitutes of ultracapacitor, voltage according to trackless trolley car distance travelled, maximum power and electric car operation, determine ultracapacitor amount of monomer, energy, internal resistance, the discharge when adopting intelligence control system to realize the gauze charging of ultracapacitor and electric car off-line.
2. trolley bus off-line operation new method by use according to claim 1, it is characterized in that: each is equipped with the voltage automatic equalizer on the described ultracapacitor monomer, when the ultracapacitor monomer voltage surpasses assigned voltage, voltage equalizer on this monomer is worked automatically, make monomer not be subjected to overvoltage, avoid damaging.
3. trolley bus off-line operation new method by use according to claim 1 and 2, it is characterized in that: described ultracapacitor assembly is provided with temperature management system, management system will start cooling fan and dispel the heat when the cond operating temperature reaches specified value, when temperature surpasses the warning temperature, management system will be sent alerting signal.
4. trolley bus off-line operation new method by use according to claim 3 is characterized in that: described ultracapacitor assembly is provided with the monomer voltage monitoring system, and this system can react each monomer voltage situation timely and accurately.
5. trolley bus off-line operation new method by use according to claim 1 is characterized in that: described ultracapacitor monomer is selected a kind of in symmetric form ultracapacitor and asymmetric ultracapacitor kind, and symmetric form is as active carbon/active carbon ultracapacitor; Asymmetric as: nickel oxide/active carbon ultracapacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054285 CN1629005A (en) | 2004-09-03 | 2004-09-03 | Trolleybus off-line running method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410054285 CN1629005A (en) | 2004-09-03 | 2004-09-03 | Trolleybus off-line running method |
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| CN1629005A true CN1629005A (en) | 2005-06-22 |
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| CN 200410054285 Pending CN1629005A (en) | 2004-09-03 | 2004-09-03 | Trolleybus off-line running method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570142B (en) * | 2009-06-02 | 2011-07-27 | 上海中上汽车科技有限公司 | Control system for novel energy resource environment-friendly energy-saving special traction and loading trolley |
| CN102923011A (en) * | 2012-10-24 | 2013-02-13 | 江苏大学 | Double-energy power range-increasing type trolley bus |
| CN103273833A (en) * | 2013-05-18 | 2013-09-04 | 刘金鹏 | Three-power-source bus and power solution method |
| CN103457006A (en) * | 2013-08-29 | 2013-12-18 | 南车株洲电力机车有限公司 | Cooling control method, cooling control device and cooling system of energy storage power supply |
-
2004
- 2004-09-03 CN CN 200410054285 patent/CN1629005A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570142B (en) * | 2009-06-02 | 2011-07-27 | 上海中上汽车科技有限公司 | Control system for novel energy resource environment-friendly energy-saving special traction and loading trolley |
| CN102923011A (en) * | 2012-10-24 | 2013-02-13 | 江苏大学 | Double-energy power range-increasing type trolley bus |
| CN103273833A (en) * | 2013-05-18 | 2013-09-04 | 刘金鹏 | Three-power-source bus and power solution method |
| CN103457006A (en) * | 2013-08-29 | 2013-12-18 | 南车株洲电力机车有限公司 | Cooling control method, cooling control device and cooling system of energy storage power supply |
| CN103457006B (en) * | 2013-08-29 | 2015-10-21 | 南车株洲电力机车有限公司 | A kind of cooling control method of accumulation power supply, cooling controller and cooling system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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