CN203632336U - Super capacitor and lithium battery parallel circuit of hybrid power bus - Google Patents
Super capacitor and lithium battery parallel circuit of hybrid power bus Download PDFInfo
- Publication number
- CN203632336U CN203632336U CN201320858316.5U CN201320858316U CN203632336U CN 203632336 U CN203632336 U CN 203632336U CN 201320858316 U CN201320858316 U CN 201320858316U CN 203632336 U CN203632336 U CN 203632336U
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- lithium battery
- super capacitor
- hybrid power
- igbt module
- series
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- 239000003990 capacitor Substances 0.000 title claims abstract description 44
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 31
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract description 2
- 230000037361 pathway Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a super capacitor and lithium battery parallel circuit of a hybrid power bus. The circuit comprises the following structure. An IGBT module T1 and an inductor L1 are connected in series between a super capacitor and a lithium battery; one end of the inductor L1 is connected with the emitting electrode of the T1; the other end of the L1 is connected with three parallel paths as follow: an electric generator and an electric generation switch S1 which are connected in series, a frequency converter and a drive motor which are connected in series, and the super capacitor; the pathway of the lithium battery is equipped with a current sampling unit and an energy storage capacitor C1, the pathway of the lithium battery is connected to the collecting electrode of the IGBT module T1 through a fuse F1, and a large-power diode D2 is connected in series to a lower part of the emitting electrode of the IGBT module; and an anti-parallel diode D1 is further connected in series between the collecting electrode and the emitting electrode of the IGBT module. The super capacitor and lithium battery parallel circuit can play good roles in improving fuel consumption of a whole vehicle, protecting the lithium battery, preventing large-current charge and discharge and prolonging the service life of the hybrid power bus, and has a wide application range.
Description
Technical field
The utility model relates to a kind of hybrid power public transport super capacitor and lithium battery parallel circuits, belongs to automobile circuit field.
Background technology
On current existing hybrid-power bus, super capacitor is mainly used in car load starting and brake energy recovery, lithium battery participates in the car load in the time that super capacitor electric weight is not enough in driving process and drives, but not participating in energy reclaims, main cause is long settling time based on lithium cell charging, and organic efficiency is low.Super capacitor can be realized the fast charging and discharging of large electric current, does not have the problem of efficiency, but still has a kind of possibility, and in the time of super capacitor energy foot, recovery effect was lost efficacy, and produced braking energy and ran off.Super capacitor is realized scheme in parallel with lithium battery by bi-directional DC-DC, between electric capacity and battery, can realize exchange energy, both can realize electric capacity electric weight deficiency time, battery participated in car load driving, when at capacitive energy foot, can utilize again DC-DC slowly to realize energy supplement to battery simultaneously, increase car load energy recovery efficiency.
Utility model content
The utility model provides a kind of hybrid power public transport super capacitor and lithium battery parallel circuits,
Described circuit comprises following structure: super capacitor; Lithium battery;
Between super capacitor and lithium battery, possess IGBT module T1 and the inductance L 1 of series connection, inductance L 1 one end connects the emitter of T1, the other end connects following three paths in parallel: the generator of series connection and generating switch S 1, described generator is connected inductance L 1, generator side joint ground with the switch-side one end after 1 series connection of generating switch S; Frequency converter, the drive motors of series connection, the Vcc end of described frequency converter connects inductance L 1, earth terminal ground connection; Super capacitor, one end connects inductance L 1, other end ground connection;
The path of described lithium battery is with current sampling unit and storage capacitor C1, by fuse F1 to IGBT T1 collector electrode, in the time that the voltage instantaneous of super capacitor is dragged down by load, control T1 and realize battery discharge, a heavy-duty diode D2 of IGBT emitter below series connection, plays afterflow effect;
An anti-paralleled diode D1 also connects between the collector and emitter of described IGBT module.
Further, the drive end of described IGBT module TVS pipe in parallel and resistance capacitance play voltage-limiting protection effect.
Further, described current sampling unit adopts instrument transformer, for gathering capacitive path charge and discharge electric current.
Further, when generator when generating or brake are wired back, preferentially give capacitor charging, when capacitance voltage is during higher than cell voltage, charge to battery by the anti-paralleled diode D1 between IGBT through inductance L 1;
When super capacitor voltage is during higher than lithium battery, slowly charge to battery in adaptive mode by diode, if reclaim, super capacitor cannot hold also can be by this mode by battery recycling; Charging battery is supplied with super capacitor or load by BOOST boosting mode as follow-up supplemental current.
If use separately super capacitor complete car load starting and absorb braking energy work; can realize rate of economizing gasoline 20% left and right according to current data; and use ultracapacitor auxiliary power as hybrid power public transport in parallel with lithium battery; can realize rate of economizing gasoline 25%-30%; for improving car load fuel consume; protection lithium battery is avoided high current charge-discharge, extends its useful life and can play good result.Utilization scope also can suitably be expanded, not only can with current conventional diesel public transport, natural gas public transport, dynamical system is equally also applicable to pure electric type bus, pure electric type fork truck etc.
Accompanying drawing explanation
By describing in more detail exemplary embodiment of the present utility model with reference to accompanying drawing, above and other aspect of the present utility model and advantage will become more and be readily clear of, in the accompanying drawings:
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Hereinafter, now with reference to accompanying drawing, the utility model is described more fully, various embodiment shown in the drawings.But the utility model can be implemented in many different forms, and should not be interpreted as being confined to embodiment set forth herein.On the contrary, it will be thorough with completely providing these embodiment to make the disclosure, and scope of the present utility model is conveyed to those skilled in the art fully.
Hereinafter, exemplary embodiment of the present utility model is described with reference to the accompanying drawings in more detail.
Super capacitor is in parallel with lithium battery to be realized energy and turns mutually, and lithium battery can charge to super capacitor, and super capacitor become can be energy storage in lithium battery, thereby can reclaim the energy collecting as far as possible braking, save car load oil consumption.
As shown in Figure 1, the utility model provides a kind of hybrid power public transport super capacitor and lithium battery parallel circuits, and described circuit comprises following structure:
Battery path is with current sampling unit and storage capacitor C1; by fuse F1 to IGBT T1 collector electrode; T1 is with corresponding voltage protection circuit to manage as TVS; current-limiting resistance R1 and capacitor C 2 form; in the time that the voltage instantaneous of super capacitor is dragged down by load; control T1 and realize battery discharge, the heavy-duty diode D2 of IGBT emitter below mainly plays afterflow effect.
When generator when generating or brake are wired back, preferentially give capacitor charging, when capacitance voltage is during higher than cell voltage, charge to battery by the anti-paralleled diode D1 between IGBT through inductance L 1.
Such scheme is that super capacitor is in parallel with lithium battery, and prerequisite is that generator generation current is controlled and recovery electric current is controlled, the inner band protection of aluminum cell voltage, overvoltage protection and overcurrent protection.
When super capacitor voltage is during higher than lithium battery, slowly charge to battery in adaptive mode by diode, cannot hold also and can, by this mode by battery recycling, improve telegram in reply efficiency if reclaim super capacitor.Charging battery is supplied with super capacitor or load by BOOST boosting mode as follow-up supplemental current.
The foregoing is only embodiment of the present utility model, be not limited to the utility model.The utility model can have various suitable changes and variation.All any modifications of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model within spirit of the present utility model and principle.
Claims (3)
1. hybrid power public transport super capacitor and a lithium battery parallel circuits, is characterized in that:
Described circuit comprises following structure: super capacitor; Lithium battery;
Between super capacitor and lithium battery, possess IGBT module T1 and the inductance L 1 of series connection, inductance L 1 one end connects the emitter of T1, the other end connects following three paths in parallel: the generator of series connection and generating switch S 1, described generator is connected inductance L 1, generator side joint ground with the switch-side one end after 1 series connection of generating switch S; Frequency converter, the drive motors of series connection, the Vcc end of described frequency converter connects inductance L 1, earth terminal ground connection; Super capacitor, one end connects inductance L 1, other end ground connection;
The path of described lithium battery is with current sampling unit and storage capacitor C1, by fuse F1 to IGBT T1 collector electrode, in the time that the voltage instantaneous of super capacitor is dragged down by load, control T1 and realize battery discharge, a heavy-duty diode D2 of IGBT emitter below series connection, plays afterflow effect;
An anti-paralleled diode D1 also connects between the collector and emitter of described IGBT module.
2. hybrid power public transport super capacitor according to claim 1 and lithium battery parallel circuits, is characterized in that:
Drive end TVS pipe in parallel and the resistance capacitance of described IGBT module.
3. hybrid power public transport super capacitor according to claim 1 and 2 and lithium battery parallel circuits, is characterized in that:
Described current sampling unit adopts instrument transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858316.5U CN203632336U (en) | 2013-12-24 | 2013-12-24 | Super capacitor and lithium battery parallel circuit of hybrid power bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858316.5U CN203632336U (en) | 2013-12-24 | 2013-12-24 | Super capacitor and lithium battery parallel circuit of hybrid power bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632336U true CN203632336U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320858316.5U Expired - Lifetime CN203632336U (en) | 2013-12-24 | 2013-12-24 | Super capacitor and lithium battery parallel circuit of hybrid power bus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203632336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683456A (en) * | 2013-12-24 | 2014-03-26 | 福建省福工动力技术有限公司 | Super-capacitor and lithium battery parallel circuit of hybrid power bus |
| CN107959388A (en) * | 2016-10-18 | 2018-04-24 | 博格华纳公司 | The electrical isolation of alternating current generator |
-
2013
- 2013-12-24 CN CN201320858316.5U patent/CN203632336U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683456A (en) * | 2013-12-24 | 2014-03-26 | 福建省福工动力技术有限公司 | Super-capacitor and lithium battery parallel circuit of hybrid power bus |
| CN103683456B (en) * | 2013-12-24 | 2016-07-06 | 福建省福工动力技术有限公司 | A kind of hybrid power public transport super-capacitor and lithium battery parallel circuit |
| CN107959388A (en) * | 2016-10-18 | 2018-04-24 | 博格华纳公司 | The electrical isolation of alternating current generator |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |