CN103296725A - Large-current energy storage and release device for bicycles - Google Patents
Large-current energy storage and release device for bicycles Download PDFInfo
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- CN103296725A CN103296725A CN2013102436684A CN201310243668A CN103296725A CN 103296725 A CN103296725 A CN 103296725A CN 2013102436684 A CN2013102436684 A CN 2013102436684A CN 201310243668 A CN201310243668 A CN 201310243668A CN 103296725 A CN103296725 A CN 103296725A
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- battery
- super capacitor
- voltage
- control unit
- power switch
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a large-current energy storage and release device for bicycles. The large-current energy storage and release device comprises at least one battery, a positive electrode and a negative electrode, wherein the positive electrode and the negative electrode are connected with the anode and the cathode of the battery respectively, a super-capacitor is connected between the positive electrode and the negative electrode, the super-capacitor is connected with a control unit through a first voltage transducer, the control unit is connected with the battery through a second voltage transducer, and a two-way power switch is connected between the battery and the super-capacitor in series and electrically connected with the control unit. According to the large-current energy storage and release device, the battery and the super-capacitor are combined to store and release energy, the problem of effects of storage and release of large-current energy on the battery is well solved, the charging efficiency of the battery is improved, and the service life of the battery is prolonged.
Description
Technical field
The present invention relates to energy storage and release field, particularly the big current energy storage of a kind of sound bicycle use and releasing device.
Background technology
Along with masses to the protection environment with take exercises the raising of consciousness because the electric bicycle environment friendly convenient is quick, make it more and more become the traffic means of transport of people's trip.Because battery can not charge under the situation of big electric current and the limitation that instantaneous large-current can not be provided, and directly with big electric current battery charge is easily impacted the life-span of battery, charge efficiency is low.
Summary of the invention
The objective of the invention is to overcome existing above-mentioned deficiency in the prior art, a kind of big current energy storage of bicycle use and releasing device that improves battery charge efficient and useful life is provided.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is:
The big current energy storage of a kind of bicycle use and releasing device, comprise at least one battery and the positive electrode and the negative electrode that are connected respectively with described battery plus-negative plate, also be connected with super capacitor between described positive electrode and the negative electrode, described super capacitor is connected with control unit by first voltage sensor, and described control unit connects described battery by second voltage sensor; Be in series with bi-directional power switch between described battery and the super capacitor; Described bi-directional power switch is electrically connected with described control unit;
Wherein, described first voltage sensor is sent into described control unit for detection of the voltage of described super capacitor and with detected magnitude of voltage; Described second voltage sensor is sent into described control unit for detection of the voltage of described battery and with detected magnitude of voltage; Under charge mode, described control unit control is closed described bi-directional power switch, described super capacitor charging, when the voltage of super capacitor rises to when equating with the voltage of described battery, described control unit is controlled described bi-directional power switch and is opened described super capacitor is in parallel with battery, can cushion charging current like this, avoid big electric current to the influence of battery.As long as it is bigger that the voltage of super capacitor and the balance of voltage of battery, electric current can difference, the centre does not need to add converter or current-limiting resistance, has so just finished the energy of big electric current and has stored.Under discharge mode, described control unit control is closed described bi-directional power switch, described super capacitor provides the output instantaneous large-current, when the voltage of described super capacitor drops to describedly when close with voltage battery, described control unit is controlled described bi-directional power switch and is opened and make described battery charge to described super capacitor and then replenishing of energy is provided.
Preferably, be connected with voltage stabilizing didoe between the described super capacitor two ends.
Further, be in series with the current limliting device for fusing between described positive electrode and the voltage stabilizing didoe.
Further, described current limliting device for fusing is the fuse that resets certainly.
The impedance of described super capacitor is less than the resistance of described battery.
Compared with prior art, beneficial effect of the present invention:
The present invention adopts the battery combining super capacitor to finish storage and the release of energy, under charge mode, control unit control is closed described bi-directional power switch, described super capacitor charging, when the voltage of super capacitor rises to when equating with the voltage of described battery, it is in parallel with battery with described super capacitor that described control unit is controlled described bi-directional power switch unlatching, can cushion charging current like this, avoids big electric current to the influence of battery.As long as it is bigger that the voltage of super capacitor and the balance of voltage of battery, electric current can difference, the centre does not need to add converter or current-limiting resistance, has so just finished the energy of big electric current and has stored.Under discharge mode, described control unit control is closed described bi-directional power switch, described super capacitor provides the output instantaneous large-current, when the voltage of described super capacitor drops to describedly when close with voltage battery, described control unit is controlled described bi-directional power switch and is opened and make described battery charge to described super capacitor and then replenishing of energy is provided.This just well solves storage and the release of big current energy, and then charge efficiency and the useful life of improving battery.
Description of drawings
Fig. 1 is the big current energy storage of bicycle use and releasing device schematic diagram in the specific embodiment of the invention.
Mark among the figure: 1-super capacitor, 2-battery, 3-bi-directional power switch, 4-voltage stabilizing didoe, 5-control unit, 6-current limliting device for fusing, 7-second voltage sensor, 8-first voltage sensor.
Embodiment
The present invention is described in further detail below in conjunction with embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology that realizes based on content of the present invention all belong to scope of the present invention.
As shown in Figure 1, the big current energy storage of bicycle use of the present invention and releasing device, comprise at least one battery 2 and the positive electrode and the negative electrode that are connected respectively with described battery 2 both positive and negative polarities, also be connected with super capacitor 1 between described positive electrode and the negative electrode, described super capacitor 1 is connected with control unit 5 by first voltage sensor 8, and described control unit 5 connects described battery 2 by second voltage sensor 7; Be in series with bi-directional power switch 3 between described battery 2 and the super capacitor 1; Described bi-directional power switch 3 is electrically connected with described control unit 5.Described battery 2 can a plurality ofly be cascaded.
Described first voltage sensor 8 is sent into described control unit 5 for detection of the voltage of described super capacitor 2 and with detected magnitude of voltage; Described second voltage sensor 7 is sent into described control unit 5 for detection of the voltage of described battery 2 and with detected magnitude of voltage; Under charge mode, described control unit 5 controls are closed described bi-directional power switch 3, described super capacitor 1 charging, when the voltage of super capacitor 1 rises to when equating with the voltage of described battery 2, the described bi-directional power switch 3 of described control unit 5 controls is opened described super capacitor 1 is in parallel with battery 2, can cushion charging current like this, avoid big electric current to the influence of battery.As long as it is bigger that the voltage of super capacitor 1 and the balance of voltage of battery 2, electric current can difference, the centre does not need to add converter or current-limiting resistance, has so just finished the energy of big electric current and has stored.Under discharge mode, described control unit 5 controls are closed described bi-directional power switch 3, described super capacitor 1 provides the output instantaneous large-current, when the voltage of described super capacitor 1 drops to describedly when close with voltage battery 2, the described bi-directional power switch 3 of described control unit 5 controls is opened and is made 2 pairs of described super capacitors 1 of described battery charge and then replenishing of energy is provided.Before super capacitor 1 and battery 2 were in parallel, circuit was earlier to super capacitor 1 charging, and rose to the voltage U of battery 2 when the voltage U of super capacitor 1
BThe time again that super capacitor 1 is in parallel with battery 2.Can cushion charging current like this, avoid big electric current to the influence of battery.As long as U and U
BIt is bigger that balance, electric current can difference, and the centre does not need to add converter or current-limiting resistance.So just finished the energy storage of big electric current.
Preferable, described super capacitor is connected with voltage stabilizing didoe 4 between 1 two ends, guarantees voltage stable at super capacitor 1 two ends.Be in series with current limliting device for fusing 6 between described positive electrode and the voltage stabilizing didoe 4.Described current limliting device for fusing 6 is the fuse that resets certainly, and it mainly is the resistance of positive temperature coefficient, and temperature raises, and it is big that resistance becomes, thereby cuts off circuit, and then protects energy storage device can not be operated under the state of overcurrent.As long as guarantee that the impedance R of super capacitor 1 is less than the resistance R of battery 2
B, the instantaneous large-current of circuit just can be provided by super capacitor 1, and descends voltage with battery 2 when close when super capacitor 1 voltage, and battery 2 electric energy can charge and then replenishing of energy is provided super capacitor 1.
The present invention adopts the battery combining super capacitor to finish storage and the release of energy, under charge mode, control unit control is closed described bi-directional power switch, described super capacitor charging, when the voltage of super capacitor rises to when equating with the voltage of described battery, it is in parallel with battery with described super capacitor that described control unit is controlled described bi-directional power switch unlatching, can cushion charging current like this, avoids big electric current to the influence of battery.As long as it is bigger that the voltage of super capacitor and the balance of voltage of battery, electric current can difference, the centre does not need to add converter or current-limiting resistance, has so just finished the energy of big electric current and has stored.Under discharge mode, described control unit control is closed described bi-directional power switch, described super capacitor provides the output instantaneous large-current, when the voltage of described super capacitor drops to described when close with voltage battery, described control unit is controlled described bi-directional power switch and is opened and make described battery charge to described super capacitor and then replenishing of energy is provided, this just well solves storage and the release of big current energy, and then charge efficiency and the useful life of improving battery.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the big current energy of bicycle use is stored and releasing device, comprise at least one battery and the positive electrode and the negative electrode that are connected respectively with described battery plus-negative plate, it is characterized in that, also be connected with super capacitor between described positive electrode and the negative electrode, described super capacitor is connected with control unit by first voltage sensor, and described control unit connects described battery by second voltage sensor; Be in series with bi-directional power switch between described battery and the super capacitor; Described bi-directional power switch is electrically connected with described control unit;
Wherein, described first voltage sensor is sent into described control unit for detection of the voltage of described super capacitor and with detected magnitude of voltage;
Described second voltage sensor is sent into described control unit for detection of the voltage of described battery and with detected magnitude of voltage;
Under charge mode, described control unit control is closed described bi-directional power switch, the charging of described super capacitor, when the voltage of super capacitor rises to when equating with the voltage of described battery, it is in parallel with battery with described super capacitor that described control unit is controlled described bi-directional power switch unlatching;
Under discharge mode, described control unit control is closed described bi-directional power switch, described super capacitor provides the output instantaneous large-current, when the voltage of described super capacitor drops to describedly when close with voltage battery, described control unit is controlled described bi-directional power switch and is opened and make described battery charge to described super capacitor and then replenishing of energy is provided.
2. the big current energy storage of bicycle use according to claim 1 and releasing device is characterized in that described super capacitor is connected with voltage stabilizing didoe between the two ends.
3. the big current energy storage of bicycle use according to claim 2 and releasing device is characterized in that, are in series with the current limliting device for fusing between described positive electrode and the voltage stabilizing didoe.
4. the big current energy storage of bicycle use according to claim 3 and releasing device is characterized in that, described current limliting device for fusing is the fuse that resets certainly.
5. the big current energy storage of bicycle use according to claim 1 and releasing device is characterized in that the impedance of described super capacitor is less than the resistance of described battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102436684A CN103296725A (en) | 2013-06-19 | 2013-06-19 | Large-current energy storage and release device for bicycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102436684A CN103296725A (en) | 2013-06-19 | 2013-06-19 | Large-current energy storage and release device for bicycles |
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| CN103296725A true CN103296725A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102436684A Pending CN103296725A (en) | 2013-06-19 | 2013-06-19 | Large-current energy storage and release device for bicycles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910921A (en) * | 2017-12-11 | 2018-04-13 | 杭州山合江新能源技术有限公司 | A kind of composite power source and its control method |
| CN109962523A (en) * | 2019-04-19 | 2019-07-02 | 广州供电局有限公司 | Power supply circuit and power supply unit |
| CN114268146A (en) * | 2021-12-07 | 2022-04-01 | 成都长城开发科技有限公司 | Power supply device and method for electronic instrument in low-temperature environment |
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| CN202309239U (en) * | 2011-11-07 | 2012-07-04 | 湖南南车时代电动汽车股份有限公司 | Double-voltage composite energy storage system with two-way DC/DC (Direct Current/ Direct Current) convertor |
| JP2013021778A (en) * | 2011-07-08 | 2013-01-31 | Sony Corp | Control device, power storage system, electronic apparatus, electric vehicle, and electric power system |
| CN203398814U (en) * | 2013-06-19 | 2014-01-15 | 李洋涛 | Heavy current energy storing and releasing device used for bicycle |
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2013
- 2013-06-19 CN CN2013102436684A patent/CN103296725A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102013714A (en) * | 2010-11-30 | 2011-04-13 | 叶伟清 | Wind-solar complementing green energy system and charging method thereof |
| JP2013021778A (en) * | 2011-07-08 | 2013-01-31 | Sony Corp | Control device, power storage system, electronic apparatus, electric vehicle, and electric power system |
| CN202309239U (en) * | 2011-11-07 | 2012-07-04 | 湖南南车时代电动汽车股份有限公司 | Double-voltage composite energy storage system with two-way DC/DC (Direct Current/ Direct Current) convertor |
| CN203398814U (en) * | 2013-06-19 | 2014-01-15 | 李洋涛 | Heavy current energy storing and releasing device used for bicycle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910921A (en) * | 2017-12-11 | 2018-04-13 | 杭州山合江新能源技术有限公司 | A kind of composite power source and its control method |
| CN109962523A (en) * | 2019-04-19 | 2019-07-02 | 广州供电局有限公司 | Power supply circuit and power supply unit |
| CN114268146A (en) * | 2021-12-07 | 2022-04-01 | 成都长城开发科技有限公司 | Power supply device and method for electronic instrument in low-temperature environment |
| CN114268146B (en) * | 2021-12-07 | 2024-02-13 | 成都长城开发科技股份有限公司 | Power supply device and method for electronic instrument in low-temperature environment |
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Application publication date: 20130911 |