CN202550017U - Hybrid battery pack for electric vehicle - Google Patents
Hybrid battery pack for electric vehicle Download PDFInfo
- Publication number
- CN202550017U CN202550017U CN2012201203847U CN201220120384U CN202550017U CN 202550017 U CN202550017 U CN 202550017U CN 2012201203847 U CN2012201203847 U CN 2012201203847U CN 201220120384 U CN201220120384 U CN 201220120384U CN 202550017 U CN202550017 U CN 202550017U
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- Prior art keywords
- battery group
- lead
- lithium ion
- ion battery
- battery pack
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- 239000002253 acid Substances 0.000 claims abstract description 46
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 38
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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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- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a hybrid battery pack for an electric vehicle; the battery pack comprises at least one lithium ion battery pack and at least one lead-acid battery pack; and the lithium ion battery pack and the lead-acid battery pack are connected parallelly. According to the hybrid battery pack for the electric vehicle, not only is the problem that a vehicle body is too heavy when only a lead-acid battery is adopted solved, but also the safety and the cost problems when only the lithium ion battery pack is adopted are solved, and the respective advantages of the two batteries are displayed to the largest extent. Meanwhile, because the lithium ion battery pack serves as a mobile battery, the lithium ion battery pack can be replaced regularly, so that the endurance mileage of the electric vehicle is greatly improved; and consequently, the hybrid battery pack is particularly applicable to urban traffic and public traffic systems.
Description
Technical field
The utility model belongs to the battery manufacturing technology field of new forms of energy (electronic) automobile, is specifically related to a kind of hybrid battery group of used for electric vehicle.
Background technology
In recent years, for adapting to the social development demand of energy-conserving and environment-protective, domestic electric automobile industry grows up gradually, and government has also put into effect some preferential policies in succession, so that encourage the development of electric motor car industry.
Battery has important role as " heart " of electric automobile in the Full Vehicle System of electric automobile.At present, the vehicle power of electric automobile mainly contains following two kinds: a kind of is traditional lead-acid battery, though the lead-acid battery fail safe is better, and cheap, because the gravimetric specific energy of lead-acid battery is low, thereby loss is more at the energy of self; Another kind is emerging lithium-ion-power cell, though such electrokinetic cell all is superior to lead-acid battery in the performance aspect a lot, its fail safe in use is still not high enough, and protection system is comparatively complicated, and price is higher.
Therefore, based on above-mentioned two kinds of pluses and minuses that battery exists separately, how two kinds of batteries being used, can bringing into play two kinds of batteries advantage separately to greatest extent, with this present situation of improving the electric motor car vehicle power, is the utility model technical problem to be solved.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of hybrid battery group of electric automobile, the problem that exists when improving independent use lead-acid battery or lithium ion battery with this; Simultaneously, through optimizing the employment mechanism of battery, improve electric automobile continuation of the journey mileage.
The utility model is taked following technical scheme: a kind of hybrid battery group of used for electric vehicle, and it comprises lithium ion battery group, lead-acid battery group, the lithium ion battery group is parallelly connected with the lead-acid battery group.Lead-acid battery group and lithium ion battery group all can be made up of single or a plurality of battery pack.
Preferably, the lead-acid battery group is installed on the electric automobile car body as the self-contained battery module on the electric automobile.
Preferably, the lithium ion battery group can adopt large-capacity battery pack identical with lead-acid battery group voltage or that voltage is lower, during the work of low voltage lithium ion battery group, boosts earlier and supplies power to electric automobile.
Preferably, the lithium ion battery group can periodically be changed as the motor-driven battery module of electric automobile.
Preferably; Supply power mode generally speaking is: when the lead-acid battery group is in the fullcharging electricity condition; Be the power system of electric automobile power supply at first, stop discharge after the lead-acid battery group discharges into to a certain degree, supply power to power system of electric automobile by the lithium ion battery group then by the lead-acid battery group; Be the charging of lead-acid battery group simultaneously, the lithium ion battery group is discharged to 70%～90% back and changes the lithium ion battery group.After treating that the lead-acid battery group is in the fullcharging electricity condition once more, continue to supply power to power system of electric automobile by the lead-acid battery group.Certainly, the lead-acid battery group also can be moved the intermittent time at electric automobile and charged by external power source.
Preferably, the supply power mode under the heavy-current discharge situation is: two battery pack are simultaneously to the power system of electric automobile power supply, and wherein, the lithium ion battery group is with constant safe current discharge, and insufficient section is provided by the lead-acid battery group, thus the fail safe of the system of assurance.
Preferably, the voltage of lead-acid battery group and lithium ion battery group and capacity can be selected according to concrete use occasion.
When the hybrid battery group of the utility model used for electric vehicle had both been improved independent employing lead-acid battery and cause the problem that vehicle body is overweight; Problem when having avoided independent employing lithium ion battery group again, the problem includes: safety problem and cost problem, and brings into play two kinds of batteries advantage separately to greatest extent.Simultaneously, because the lithium ion battery group is as motor-driven battery, it can periodically be changed, thereby has greatly improved the continuation of the journey mileage of electric automobile, and therefore, this hybrid battery group is particularly suitable for urban transportation and public transportation system use.
Description of drawings
Fig. 1 is user mode (the giving electric system) structural representation of a kind of embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment is elaborated.
As shown in Figure 1; The hybrid battery group of present embodiment used for electric vehicle is made up of lead-acid battery group A and lithium ion battery group B; Lead-acid battery group A and lithium ion battery group B form by single or a plurality of battery pack, and voltage and the capacity of lead-acid battery group A and lithium ion battery group B can be selected according to concrete use occasion.Lead-acid battery group A be that load C is connected after lithium ion battery group B is parallelly connected with power system of electric automobile.
Generally speaking, when the lead-acid battery group is in the fullcharging electricity condition, be the load C power supply at first by lead-acid battery group A; After discharging into to a certain degree, lead-acid battery group A stops discharge; Being supplied power to load C by lithium ion battery group B (when adopting the A-battery group, need boost earlier) then, is lead-acid battery group A charging simultaneously; After lithium ion battery group B is discharged to 70%～90%, change lithium ion battery group B.After treating that lead-acid battery group A is in the fullcharging electricity condition once more, continue to supply power to power system of electric automobile by lead-acid battery group A.Lead-acid battery group A also can be charged by external power source in the automobilism intermittent time.When dynamical system needed big electric current to supply power, two battery pack were the load C power supply simultaneously, and wherein lithium ion battery group B is with constant safe current discharge, and insufficient section is provided by lead-acid battery group A, thus the fail safe of proof load C.
When the utility model hybrid battery group had both been improved independent employing lead-acid battery group and cause the problem that vehicle body is overweight; Problem when having avoided independent employing lithium ion battery group again, the problem includes: safety problem and cost problem, and brings into play two kinds of batteries advantage separately to greatest extent.Simultaneously, because the lithium ion battery group is as motor-driven battery pack, it can periodically be changed, thereby has greatly improved the continuation of the journey mileage of electric automobile, and therefore, this hybrid battery group is particularly suitable for urban transportation and public transportation system use.
More than the preferred embodiment of the utility model has been done detailed description; As far as those of ordinary skill in the art; According to the thought that the utility model provides, the part that on above-mentioned embodiment, range of application, all can change, and these change the protection range that also should be regarded as the utility model.
Claims (6)
1. the hybrid battery group of a used for electric vehicle is characterized in that comprising at least one lithium ion battery group, at least one lead-acid battery group, and described lithium ion battery group is parallelly connected with the lead-acid battery group.
2. hybrid battery group according to claim 1 is characterized in that: described lead-acid battery group is installed on the electric automobile car body as the self-contained battery module of electric automobile.
3. hybrid battery group according to claim 1 is characterized in that: described lithium ion battery group adopts the large-capacity battery pack that voltage is identical or voltage is lower with the lead-acid battery group, during the work of low voltage lithium ion battery group, boosts earlier and supplies power to electric automobile.
4. hybrid battery group according to claim 1 is characterized in that: the lithium ion battery group is motor-driven battery module, can periodically change.
5. hybrid battery group according to claim 1; It is characterized in that: electric automobile needs under the state of big electric current power supply, and lithium ion battery group and lead-acid battery group are discharged simultaneously, wherein; The lithium ion battery group is with constant safe current discharge, and insufficient section is provided by the lead-acid battery group.
6. hybrid battery group according to claim 1; It is characterized in that: when the lead-acid battery group is in the fullcharging electricity condition; Be the electric automobile power supply at first, stop discharge after the lead-acid battery group discharges into to a certain degree, supply power to electric automobile by the lithium ion battery group then by the lead-acid battery group; Be the charging of lead-acid battery group simultaneously, the lithium ion battery group is discharged to 70%～90% back and changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201203847U CN202550017U (en) | 2012-03-27 | 2012-03-27 | Hybrid battery pack for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201203847U CN202550017U (en) | 2012-03-27 | 2012-03-27 | Hybrid battery pack for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550017U true CN202550017U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201203847U Expired - Lifetime CN202550017U (en) | 2012-03-27 | 2012-03-27 | Hybrid battery pack for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521324A (en) * | 2017-09-15 | 2017-12-29 | 江西爱驰亿维实业有限公司 | Double source battery bag device and electric automobile |
| CN107672545A (en) * | 2017-09-27 | 2018-02-09 | 陈友钦 | A kind of lithium ion battery automobile dual-power module |
-
2012
- 2012-03-27 CN CN2012201203847U patent/CN202550017U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521324A (en) * | 2017-09-15 | 2017-12-29 | 江西爱驰亿维实业有限公司 | Double source battery bag device and electric automobile |
| CN107672545A (en) * | 2017-09-27 | 2018-02-09 | 陈友钦 | A kind of lithium ion battery automobile dual-power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hybrid battery pack for electric vehicle Effective date of registration: 20150123 Granted publication date: 20121121 Pledgee: Shanghai Pudong Development Bank Hangzhou branch of Limited by Share Ltd Baochu Pledgor: Zhejiang Jili Power New Energy Co., Ltd. Registration number: 2015330000007 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160323 Granted publication date: 20121121 Pledgee: Shanghai Pudong Development Bank Hangzhou branch of Limited by Share Ltd Baochu Pledgor: Zhejiang Jili Power New Energy Co., Ltd. Registration number: 2015330000007 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: Room 405, building 3, No. 503, Shunfeng Road, Yuhang Economic Development Zone, Donghu street, Yuhang District, Hangzhou City, Zhejiang Province, 311103 Patentee after: Zhejiang yunmo Testing Research Institute Co.,Ltd. Address before: No. 528, Shunfeng Road, Qianjiang Development Zone, Hangzhou, Zhejiang 311106 Patentee before: ZHEJIANG JILI POWER NEW ENERGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |