CN104097526A - Double-source trolley bus and power system thereof - Google Patents
Double-source trolley bus and power system thereof Download PDFInfo
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- CN104097526A CN104097526A CN201410263864.2A CN201410263864A CN104097526A CN 104097526 A CN104097526 A CN 104097526A CN 201410263864 A CN201410263864 A CN 201410263864A CN 104097526 A CN104097526 A CN 104097526A
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- bus
- isolated
- trackless trolley
- electrokinetic cell
- trolley car
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention relates to a double-source trolley bus and a power system thereof, which fundamentally solve the problems in the aspects of running, safety and production. A current collector supplies electricity to the whole power system through an isolated type DC/DC (Direct Current/Direct Current) converter; the electrical isolation between the whole bus and a line net is realized by the isolated type DC/DC converter, so that a step voltage is avoided; as a compound type vehicle-mounted energy source is used, fast charge to the vehicle-mounted energy source is realized; meanwhile, the demand on the instantaneous high power of a motor and the increase in the travelled distance of the double-source trolley bus are met; the output end voltage of the isolated type DC/DC converter is adjusted through a controller, so that the rational capacity space, for storing fed-back brake energy, of a vehicle-mounted energy source system is guaranteed.
Description
Technical field
The present invention relates to a kind of double source trackless trolley car and power system thereof.
Background technology
Trackless trolley car, as a kind of conventional art, was once brought into play certain effect in urban public transport field, but due to itself defect, was accompanied by technical development, and trackless trolley car is replaced by the mass transportation facilities of fuel power gradually.
Along with environmental pollution and energy problem constantly aggravate, trackless trolley car is got back in people's the visual field again: trackless trolley car can meet air contaminant treatment demand, meet new-energy automobile developing direction and technical development needs, and market also shows certain demand.
Tradition trackless trolley car must keep online, cannot off-line travelling, and poor stability, easily produce step voltage, energy consumption high, do not there is braking energy recovering function.And in production aspect, cannot be total to platform with pure electric coach and produce.
Summary of the invention
The object of this invention is to provide a kind of double source trackless trolley car and power system thereof, in order to solve the problems of existing trackless trolley car operation, safety, production.
For achieving the above object, the solution of the present invention comprises: a kind of double source trackless trolley car power system, comprising: drive motor, and drive motor and main reduction gear are in transmission connection; An integrated manipulator, integrated manipulator AC drives drive motor described in control linkage, and integrated manipulator DC side connects DC bus; On DC bus, be connected with super capacitor system and isolated DC/DC current transformer, described isolated DC/DC current transformer input end connects current colector, and mouth connects DC bus; An electrokinetic cell system, electrokinetic cell system connects input end or the mouth of described isolated DC/DC current transformer by a change-over switch.
On DC bus, go here and there and be provided with for preventing that braking energy is to the diode of electrokinetic cell system feedback, the interface of described super capacitor system, electrokinetic cell system and DC bus is respectively in these diode two ends.
Described current colector is for being electrically connected to gauze.
Trackless trolley car power system also comprises for controlling the controller of described isolated DC/DC current transformer.
A double source trackless trolley car, the power system of trackless trolley car comprises: a drive motor, drive motor and main reduction gear are in transmission connection; An integrated manipulator, integrated manipulator AC drives drive motor described in control linkage, and integrated manipulator DC side connects DC bus; On DC bus, be connected with super capacitor system and isolated DC/DC current transformer, described isolated DC/DC current transformer input end connects current colector, and mouth connects DC bus; An electrokinetic cell system, electrokinetic cell system connects input end or the mouth of described isolated DC/DC current transformer by a change-over switch.
On DC bus, go here and there and be provided with for preventing that braking energy is to the diode of electrokinetic cell system feedback, the interface of described super capacitor system, electrokinetic cell system and DC bus is respectively in these diode two ends.
Described current colector is for being electrically connected to gauze.
Trackless trolley car power system also comprises for controlling the controller of described isolated DC/DC current transformer.
The present invention adopts a kind of novel double source trackless trolley car power system configuration, has fundamentally solved the problem in operation, safety, production.Current colector powers to whole power system by isolated DC/DC current transformer, and isolated DC/DC current transformer is realized electrical isolation by car load and gauze, avoids producing step voltage.By using compound type vehicular energy (electric capacity+battery), realize vehicular energy is carried out to fast charge, meet the instantaneous high-power demand of motor simultaneously and promoted double source trackless trolley car travelled distance.By controller, regulate isolated DC/DC current transformer output end voltage, guarantee that vehicular energy system has the braking energy of rational volume space storage feedback.
Accompanying drawing explanation
Fig. 1 is one embodiment of the present invention schematic circuit diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Trackless trolley car power system as shown in Figure 1, comprising: a drive motor, and drive motor and main reduction gear are in transmission connection; An integrated manipulator, integrated manipulator AC drives control linkage drive motor, integrated manipulator DC side connects DC bus, on DC bus, be connected with super capacitor system and isolated DC/DC current transformer, isolated DC/DC current transformer input end connects current colector, and mouth connects DC bus; An electrokinetic cell system, electrokinetic cell system connects input end or the mouth of described isolated DC/DC current transformer by a change-over switch, change-over switch is in figure during A point, electrokinetic cell system is connected to DC/DC mouth, when B point, electrokinetic cell system is connected to DC/DC input end.
Further, can on DC bus, go here and there and be provided with for preventing that braking energy is to the diode of electrokinetic cell system feedback, the interface of super capacitor system, electrokinetic cell system and DC bus is respectively in these diode two ends.
With the supporting controller that is provided with of trackless trolley car power system, controller is for the coordination of whole power system is controlled, as integrated manipulator dependent instruction is controlled, sent to isolated DC/DC current transformer; Gather the various electric parameters in power system, as bus voltage, electrokinetic cell voltage, current colector open and-shut mode etc.Controller can arrange separately, also can be served as by entire car controller, as shown in this embodiment.
Integrated manipulator is a kind of controller that includes the integrated form of electric machine controller, and integrated manipulator is simultaneously integrated inverter is drive motor power supply for direct current (DC) being changed into controlled alternating current.
Current colector is electrically connected to gauze, and the electrical energy transfer of gauze is arrived to electric car power system.
Current colector is given DC bus powered by isolated DC/DC, thereby to whole system power supply, isolated DC/DC realizes electrical isolation by car load and gauze, avoids producing step voltage.Diode can prevent that feedback energy is recycled in battery, has improved the work efficiency of power-supply system.
During car load linked network, change-over switch is in A point, and electrokinetic cell system is connected to the mouth of DC/DC.During car load off-grid, switch is in B point, and electrokinetic cell system is connected to the input end of DC/DC, and DC/DC is reused, and has improved service efficiency.
The operation logic of the present embodiment is as follows:
During car load linked network, gauze can charge directly to super capacitor and electrokinetic cell system by isolated DC/DC, drives car load by drive motor simultaneously.When car load linked network is braked, can feed back to super capacitor system, diode can prevent that braking energy feedback is to electrokinetic cell, guarantees the efficient utilization of feedback energy.Meanwhile, entire car controller can, by controlling isolated DC/DC output end voltage, guarantee that electric capacity has enough space storage feedback energies.When starting, super capacitor can provide electric energy, until super capacitor voltage is down to isolated DC/DC output end voltage, electric capacity is stopped power supply.
During car load off-grid, electrokinetic cell system is powered to system by isolated DC/DC.Isolated DC/DC is reused, and has improved service efficiency.
The advantage of this scheme has:
During car load off-grid, electrokinetic cell system is powered to system by isolated DC/DC.Improved isolated DC/DC service efficiency;
Use isolated DC/DC that gauze and car load are carried out to electrical isolation, avoided the generation of step voltage, improved the safety of car load;
The adjustable isolated DC/DC output end voltage of entire car controller regulates netting twine to the SOC upper limit of capacitor charging, storage space is provided to automatic energy feedback;
This system architecture is arranged when removing current colector, can realize pure electric-powered system synthesis, has reached and pure electric coach platform production altogether, has improved electronlmobil production efficiency.
More than provided concrete embodiment, but the present invention is not limited to described embodiment.Basic ideas of the present invention are above-mentioned basic scheme, and for those of ordinary skills, according to instruction of the present invention, model, formula, the parameter of designing various distortion do not need to spend creative work.The variation of without departing from the principles and spirit of the present invention embodiment being carried out, modification, replacement and modification still fall within the scope of protection of the present invention.
Claims (8)
1. a double source trackless trolley car power system, is characterized in that, comprising: drive motor, and drive motor and main reduction gear are in transmission connection; An integrated manipulator, integrated manipulator AC drives drive motor described in control linkage, and integrated manipulator DC side connects DC bus; On DC bus, be connected with super capacitor system and isolated DC/DC current transformer, described isolated DC/DC current transformer input end connects current colector, and mouth connects DC bus; An electrokinetic cell system, electrokinetic cell system connects input end or the mouth of described isolated DC/DC current transformer by a change-over switch.
2. a kind of double source trackless trolley car power system according to claim 1, it is characterized in that, on DC bus, go here and there and be provided with for preventing that braking energy is to the diode of electrokinetic cell system feedback, the interface of described super capacitor system, electrokinetic cell system and DC bus is respectively in these diode two ends.
3. a kind of double source trackless trolley car power system according to claim 2, is characterized in that, described current colector is for being electrically connected to gauze.
4. a kind of double source trackless trolley car power system according to claim 2, is characterized in that, trackless trolley car power system also comprises for controlling the controller of described isolated DC/DC current transformer.
5. a double source trackless trolley car, is characterized in that, the power system of trackless trolley car comprises: a drive motor, and drive motor and main reduction gear are in transmission connection; An integrated manipulator, integrated manipulator AC drives drive motor described in control linkage, and integrated manipulator DC side connects DC bus; On DC bus, be connected with super capacitor system and isolated DC/DC current transformer, described isolated DC/DC current transformer input end connects current colector, and mouth connects DC bus; An electrokinetic cell system, electrokinetic cell system connects input end or the mouth of described isolated DC/DC current transformer by a change-over switch.
6. a kind of double source trackless trolley car according to claim 5, it is characterized in that, on DC bus, go here and there and be provided with for preventing that braking energy is to the diode of electrokinetic cell system feedback, the interface of described super capacitor system, electrokinetic cell system and DC bus is respectively in these diode two ends.
7. a kind of double source trackless trolley car according to claim 6, is characterized in that, described current colector is for being electrically connected to gauze.
8. a kind of double source trackless trolley car according to claim 6, is characterized in that, trackless trolley car power system also comprises for controlling the controller of described isolated DC/DC current transformer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410263864.2A CN104097526B (en) | 2014-06-13 | 2014-06-13 | A kind of double source trolleybus and its dynamical system |
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| CN201410263864.2A CN104097526B (en) | 2014-06-13 | 2014-06-13 | A kind of double source trolleybus and its dynamical system |
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| CN104097526A true CN104097526A (en) | 2014-10-15 |
| CN104097526B CN104097526B (en) | 2017-04-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590057A (en) * | 2015-01-13 | 2015-05-06 | 郑州宇通客车股份有限公司 | Power supply control method for trolley bus and power supply system |
| CN104760507A (en) * | 2015-02-16 | 2015-07-08 | 苏州汇川技术有限公司 | Control system and method of integrated controller of double-source trackless trolley |
| CN104859478A (en) * | 2015-05-08 | 2015-08-26 | 郑州宇通客车股份有限公司 | Fuel cell locomotive and power system thereof |
| CN104960428A (en) * | 2015-06-09 | 2015-10-07 | 郑州宇通客车股份有限公司 | Double-source trolley bus and isolated power supply system thereof |
| CN105150864A (en) * | 2015-09-15 | 2015-12-16 | 江苏同芯电气科技有限公司 | Double-source trolley bus power system and control system |
| CN109347189A (en) * | 2015-12-04 | 2019-02-15 | 郑州宇通客车股份有限公司 | A kind of power supply system for trolley bus and its method for controlling power supply |
| CN112485612A (en) * | 2020-11-13 | 2021-03-12 | 凯博易控车辆科技(苏州)股份有限公司 | Monitoring system and method for improving insulating property of isolated double-source trolley bus |
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| CN104590057A (en) * | 2015-01-13 | 2015-05-06 | 郑州宇通客车股份有限公司 | Power supply control method for trolley bus and power supply system |
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| CN104760507A (en) * | 2015-02-16 | 2015-07-08 | 苏州汇川技术有限公司 | Control system and method of integrated controller of double-source trackless trolley |
| CN104760507B (en) * | 2015-02-16 | 2017-10-13 | 苏州汇川技术有限公司 | The integrated manipulator control system and method for double source trolleybus |
| CN104859478A (en) * | 2015-05-08 | 2015-08-26 | 郑州宇通客车股份有限公司 | Fuel cell locomotive and power system thereof |
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| CN105150864A (en) * | 2015-09-15 | 2015-12-16 | 江苏同芯电气科技有限公司 | Double-source trolley bus power system and control system |
| CN105150864B (en) * | 2015-09-15 | 2018-02-06 | 江苏同芯电气科技有限公司 | A kind of double source trolleybus dynamical system and control method |
| CN109347189A (en) * | 2015-12-04 | 2019-02-15 | 郑州宇通客车股份有限公司 | A kind of power supply system for trolley bus and its method for controlling power supply |
| CN112485612A (en) * | 2020-11-13 | 2021-03-12 | 凯博易控车辆科技(苏州)股份有限公司 | Monitoring system and method for improving insulating property of isolated double-source trolley bus |
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| CN104097526B (en) | 2017-04-05 |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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