CN201594767U - Electric automobile power supply system comprising super capacitor - Google Patents
Electric automobile power supply system comprising super capacitor Download PDFInfo
- Publication number
- CN201594767U CN201594767U CN2009202616582U CN200920261658U CN201594767U CN 201594767 U CN201594767 U CN 201594767U CN 2009202616582 U CN2009202616582 U CN 2009202616582U CN 200920261658 U CN200920261658 U CN 200920261658U CN 201594767 U CN201594767 U CN 201594767U
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- ultracapacitor
- power system
- electric power
- electric automobile
- electric
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Abstract
The utility model relates to an electric automobile power supply system comprising a super capacitor. The electric automobile power supply system comprises the super capacitor, a chargeable lithium battery, a storage battery, a charging unit, a monitoring unit and a microprocessor, wherein the practical operational voltage of the super capacitor in the power supply system is smaller than rated operational voltage thereof, and is used for supplying power for load with high dynamic load quantity; the chargeable lithium battery is connected with the super capacitor and used for charging the super capacitor; the storage battery is used for supplying power for the load with high dynamic load quantity; the charging unit is connected with the super capacitor, the chargeable lithium battery and the storage battery and used for supplying power for the super capacitor, the chargeable lithium battery and the storage battery by an external power supply; the monitoring unit is used for carrying out monitoring on the super capacitor; and the microprocessor is used for carrying out control on the components in the power supply system. The power supply system can keep the voltage of the super capacitor and improve the starting efficiency when an electric automobile is in a standby mode.
Description
Technical field
The utility model relates to a kind of electric power system that comprises ultracapacitor, especially relates to a kind of electric automobile electric power system that comprises ultracapacitor.
Background technology
Along with the continuous development of technology, the application of ultracapacitor more and more widely.This ultracapacitor is different from conventional capacitor: it has and is generally 3～10Wh/kg high-energy-density, high cycle performance and high mechanical properties.Particularly, in the electric automobile field, use ultracapacitor to become a kind of conventional selection, this ultracapacitor is mainly used in the short-term energy accumulator of electric automobile, and the chronic energy memory is still realized by storage battery.
Compare with the electrochemical energy memory such as lead acid accumulator, the shortcoming of ultracapacitor is that energy content is relatively low, and this has determined the output voltage of ultracapacitor to a great extent.When working under standby mode, also self discharge can take place.In other words, when the motor of the electric automobile that uses ultracapacitor cut out, ultracapacitor slowly discharged by load or the compensating circuit by ultracapacitor.When output voltage drops to below the particular bound, this will be to the service behaviour of ultracapacitor, the particularly influence that ultracapacitor is produced suitable significant adverse in the performance under the standby mode, and What is more may cause capacitor complete failure.The electric automobile standby is meant that the motor of electric automobile stops operating in the utility model, however the situation that the circuit of system does not disconnect fully.
At this situation, the purpose of this utility model is that the voltage of the electric power system of the electric automobile with ultracapacitor is regulated, and particularly, is to guarantee when electric automobile is in holding state, and the voltage of ultracapacitor is unlikely to fall lowly excessively.This voltage-regulation can be guaranteed the ultracapacitor life-saving and stably work when standby mode.
Summary of the invention
In order to address the above problem, the utility model provides a kind of electric automobile electric power system that comprises ultracapacitor.In method of the present utility model, additionally be provided with one and be specifically designed under the automobile holding state, keep the lithium rechargeable batteries of ultracapacitor voltage.Because lithium rechargeable batteries has safely and fast charging, the allowable temperature wide ranges, advantages such as discharging current is little, memory-less effect, non-environmental-pollution, so the inventor thinks that to select lithium rechargeable batteries for use the most appropriate.Lithium rechargeable batteries in the utility model also comprises Li-Ion rechargeable battery.
According to a technical scheme of the present utility model, a kind of electric automobile electric power system that comprises ultracapacitor is provided, wherein, described electric power system comprises:
Ultracapacitor, its real work voltage in described electric power system be less than its rated operational voltage, and be used for to the electric with high dynamic load amount;
Lithium rechargeable batteries, it links to each other with described ultracapacitor, is used for to described ultracapacitor charging;
Storage battery, it is used for to the electric with high static load amount;
Charhing unit, it links to each other with described ultracapacitor, described lithium rechargeable batteries and described storage battery, is used for by external power source to described ultracapacitor, described lithium rechargeable batteries and described storage battery power supply;
Monitoring unit, it is monitored described ultracapacitor;
Microprocessor, it is used for the assembly of described electric power system is controlled.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, a plurality of sub-Ni-MH battery group that described storage battery is together in series for Ni-MH battery work.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, be provided with the rectifier of AC-DC in the described charhing unit.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, described electric power system also comprises: command generator, itself and described microprocessor UNICOM, be used for sending a command signal, require described microprocessor to control described lithium rechargeable batteries and charge to described ultracapacitor to described microprocessor.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, described command signal response Remote Control Vehicle enabling signal and taking place.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, the electric weight that described lithium rechargeable batteries is stored is 1/6～1/5 of the electric weight stored of described storage battery.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, described ultracapacitor is a plurality of sub-bank of super capacitors that is together in series.
Further, in the electric automobile electric power system that comprises ultracapacitor of the present invention, the voltage of described storage battery is between 330v～360v.
The electric automobile electric power system that comprises ultracapacitor that the utility model provides is under the state of electric automobile standby; utilize lithium rechargeable batteries to be the ultracapacitor charging separately; guarantee the stable of voltage, and avoided the appearance of overcurrent, thus the components and parts in effective protection system circuit.
Description of drawings
Fig. 1 is the structural representation according to the electric automobile electric power system that comprises ultracapacitor of an execution mode of the present utility model;
Fig. 2 is the structural representation according to the electric automobile electric power system that comprises ultracapacitor of another execution mode of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As depicted in figs. 1 and 2, they show the electric automobile electric power system that comprises ultracapacitor.The electric energy of electric power system is provided to motor by charhing unit by external power source.Motor may be an alternating current motor, and motor provides alternating current like this, and in this case, alternating current need convert direct current (as shown in Figure 2) to by rectifier.Simultaneously, charhing unit can also be powered to ultracapacitor, be powered to lithium rechargeable batteries, to storage battery power supply, and finally to various electric.
The load that is connected to ultracapacitor preferably has high dynamic load amount, just the ratio height of peak power and average power.For example, can be actuating motor, electrical power assisted steering system, electrodynamic braking or electric power assisted turbocharger or the like.On the contrary, storage battery is preferably to the electric with low dynamic load amount, just to the electric with high static load amount.Simultaneously, because the instantaneous power of ultracapacitor can reach bigger value, so the load of ultracapacitor also is the high energy consumption parts usually.
Load and ultracapacitor and with this life expectancy that is beneficial to storage battery that disposes of storage battery.This is because the finite lifetime of most of electrochemical energy storage devices produces the total amount decision by energy, and ceiling capacity produces the amplitude that total amount depends on charging current to a great extent.Therefore the load peak, discharging current and the energy generation total amount that minimize storage battery are favourable, the life-span that can reduce the cost of system and maximize equipment.These beneficial effects are to realize by the load that storage battery is used to for a long time have low energy consumption.
On the contrary, the life-span of ultracapacitor is very long, cyclicity good and by the lower cost materials manufacturing cost is cheap.For this reason, the price of the per unit energy of ultracapacitor is very cheap, thereby it helps being used in the load of high energy consumption.
Yet the utility model is not only optimized the structure of electric power system, and the utility model has set up microprocessor and monitoring unit to optimize with the standby mode to electric automobile.Under standby mode, must guarantee that when motor vehicles start once more it is effective to the load that brings into operation subsequently that enough electric energy are arranged.And this realizes by method described in the utility model just.
Particularly, Fig. 1 is according to the structural representation of the electric automobile electric power system that comprises ultracapacitor of an execution mode of the present utility model.
Fig. 1 shows a kind of electric automobile electric power system that comprises ultracapacitor, and wherein, described electric power system comprises:
Ultracapacitor, its real work voltage in described electric power system be less than its rated operational voltage, and be used for to the electric with high dynamic load amount.That is to say, preferably select the slightly ultracapacitor of surplus of a rated voltage here.
Lithium rechargeable batteries, it links to each other with described ultracapacitor, is used for to described ultracapacitor charging;
Storage battery, it is used for to the electric with high static load amount.Lithium rechargeable batteries in charge in batteries, be full of by charhing unit, and the effect in standby mode is to power to ultracapacitor in advance.
Charhing unit, it links to each other with described ultracapacitor, described lithium rechargeable batteries and described storage battery, is used for by external power source to described ultracapacitor, described lithium rechargeable batteries and described storage battery power supply.
Monitoring unit, it is monitored described ultracapacitor.Ultracapacitor is monitored, be in order to understand the real-time voltage of ultracapacitor, thereby know that whether needing to start lithium rechargeable batteries charges to ultracapacitor.
Microprocessor, it is used for the assembly of described electric power system is controlled.Particularly, microprocessor is the heart of whole electric power system, and it can be according to annexations such as the disconnection of each parts in the monitoring result of the monitoring means control electric power system and closures, and the mode of operation of each parts.For example, when the voltage that monitors described ultracapacitor when monitoring unit is lower than predetermined value, then notify microprocessor, microprocessor starts lithium rechargeable batteries ultracapacitor is charged to rated operational voltage.In other words, lithium rechargeable batteries remains on the voltage of ultracapacitor between voltage predetermined value and the rated operational voltage.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, described storage battery is a plurality of sub-Ni-MH battery group that Ni-MH battery is together in series.Ni-MH battery has the very low characteristics of environmental pollution, is the battery that has environment protecting most, compares it with lithium battery and has than higher memory effect and the very high characteristic of self discharging reaction.Ni-MH battery also discharges stronger output current than alkaline battery simultaneously and is suitable for high consumer products more, so Ni-MH battery is as the storage battery in the hybrid vehicle.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, be provided with the rectifier of AC-DC in the described charhing unit.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, described electric power system also comprises: command generator, itself and described microprocessor UNICOM, be used for sending a command signal, require described microprocessor to control described lithium rechargeable batteries and charge to described ultracapacitor to described microprocessor.And in daily use, the most common command signal responds the Remote Control Vehicle enabling signal and takes place.Or when the user opens car door, take place.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, the electric weight that described lithium rechargeable batteries is stored is 1/6～1/5 of the electric weight stored of described storage battery.The main effect of described electric power storage battery is that the power supply electrical automobile travels, and the main effect of lithium rechargeable batteries is the energy that replenishes ultracapacitor in the electric automobile electric power system, therefore can exist than big difference with storage battery on the quantity of energy.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, described ultracapacitor is a plurality of sub-bank of super capacitors that is together in series.
In the electric automobile electric power system that comprises ultracapacitor of the present utility model, the voltage of described storage battery is between 330v～360v.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and the execution mode, it can be applied to the various fields of the present utility model that are fit to fully, for those skilled in the art, can easily realize other modification, therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (8)
1. electric automobile electric power system that comprises ultracapacitor is characterized in that described electric power system comprises:
Ultracapacitor, its real work voltage in described electric power system be less than its rated operational voltage, and be used for to the electric with high dynamic load amount;
Lithium rechargeable batteries, it links to each other with described ultracapacitor, is used for to described ultracapacitor charging;
Storage battery, it is used for to the electric with high static load amount;
Charhing unit, it links to each other with described ultracapacitor, described lithium rechargeable batteries and described storage battery, is used for by external power source to described ultracapacitor, described lithium rechargeable batteries and described storage battery power supply;
Monitoring unit, it is monitored described ultracapacitor;
Microprocessor, it is used for the assembly of described electric power system is controlled.
2. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that, described storage battery is a plurality of sub-Ni-MH battery group that Ni-MH battery is together in series.
3. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that, is provided with the rectifier of AC-DC in the described charhing unit.
4. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that described electric power system also comprises:
Command generator, itself and described microprocessor UNICOM are used for sending a command signal to described microprocessor, require described microprocessor to control described lithium rechargeable batteries and charge to described ultracapacitor.
5. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 4 is characterized in that, described command signal responds the Remote Control Vehicle enabling signal and takes place.
6. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that, the electric weight that described lithium rechargeable batteries is stored is 1/6～1/5 of the electric weight stored of described storage battery.
7. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that, described ultracapacitor is a plurality of sub-bank of super capacitors that is together in series.
8. the electric automobile electric power system that comprises ultracapacitor as claimed in claim 1 is characterized in that the voltage of described storage battery is between 330v～360v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202616582U CN201594767U (en) | 2009-12-18 | 2009-12-18 | Electric automobile power supply system comprising super capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202616582U CN201594767U (en) | 2009-12-18 | 2009-12-18 | Electric automobile power supply system comprising super capacitor |
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| CN201594767U true CN201594767U (en) | 2010-09-29 |
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| CN2009202616582U Expired - Lifetime CN201594767U (en) | 2009-12-18 | 2009-12-18 | Electric automobile power supply system comprising super capacitor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072488A (en) * | 2013-01-31 | 2013-05-01 | 郑州宇通客车股份有限公司 | Composite power source |
| WO2018192420A1 (en) * | 2017-04-17 | 2018-10-25 | 汪玉华 | Capacitive automobile emergency start device |
| CN109572450A (en) * | 2018-12-26 | 2019-04-05 | 宁波石墨烯创新中心有限公司 | A kind of composite power source method of supplying power to and system |
| CN111845384A (en) * | 2020-07-28 | 2020-10-30 | 浙江凯乐士科技有限公司 | Power supply method and device for logistics equipment and logistics equipment |
-
2009
- 2009-12-18 CN CN2009202616582U patent/CN201594767U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072488A (en) * | 2013-01-31 | 2013-05-01 | 郑州宇通客车股份有限公司 | Composite power source |
| WO2018192420A1 (en) * | 2017-04-17 | 2018-10-25 | 汪玉华 | Capacitive automobile emergency start device |
| US11002240B2 (en) | 2017-04-17 | 2021-05-11 | Yuhua Wang | Capacitive car jump starter |
| CN109572450A (en) * | 2018-12-26 | 2019-04-05 | 宁波石墨烯创新中心有限公司 | A kind of composite power source method of supplying power to and system |
| CN111845384A (en) * | 2020-07-28 | 2020-10-30 | 浙江凯乐士科技有限公司 | Power supply method and device for logistics equipment and logistics equipment |
| CN111845384B (en) * | 2020-07-28 | 2022-04-19 | 浙江凯乐士科技集团股份有限公司 | Power supply method and device for logistics equipment and logistics equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518057 No. 1001 Nanshan Chi Park B1 Building 5 floor Patentee after: TIG TECHNOLOGY CO., LTD. Address before: Shenzhen City High Tech Park in Guangdong province 518057 South Branch building room 306 building Patentee before: Shenzhen City TIG New Energy Technologies Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100929 |
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| CX01 | Expiry of patent term |