CN208655829U - Battery pack system and new-energy automobile - Google Patents
Battery pack system and new-energy automobile Download PDFInfo
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- CN208655829U CN208655829U CN201821255993.7U CN201821255993U CN208655829U CN 208655829 U CN208655829 U CN 208655829U CN 201821255993 U CN201821255993 U CN 201821255993U CN 208655829 U CN208655829 U CN 208655829U
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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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- 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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Abstract
This application discloses a kind of battery pack system and new-energy automobile, which includes: at least one first battery pack, is made of the battery unit of high energy ratio；At least one second battery pack is made of the battery unit of high power ratio；Power transfer device, selective the first battery pack of control and/or the second battery pack are load supplying；Control unit, comprising: intelligent control mould group, including monitoring device and logic judgment device, monitoring device are connected to load and the running parameter to detect load, and within a preset range whether control power transfer device acts logic judgment device according to running parameter；Mould group is manually controlled, using manual manipulation mode control power transfer device movement.The one aspect of this case controls specific volume battery pack by battery management system selection and carries out electric power output, while guaranteeing high-power output, realizes the needs of high-energy output；The other side of this case increases manual control mode, more efficient when artificially judging.
Description
Technical field
This application involves a kind of battery pack system and new-energy automobiles, can use at low temperature more particularly to one kind
Battery pack system with long battery life.
Background technique
The large-scale use of automobile has become the principal element of atmosphere pollution, and new energy is all being greatly developed in countries in the world
Automobile, to reduce environmental pressure.Electric vehicle is to develop alternative solution the most quick.Wherein, battery is as electric vehicle core
One of part is currently the principal element for limiting electric vehicle development.
The battery variety developed at present includes: lead-acid battery, nickel-cadmium cell, nickel-metal hydride battery and lithium ion battery etc..
Lead-acid battery is exploitation, mature earliest battery, but the requirement with various countries for low-carbon, environmental protection constantly mentions
Height, the heavy metals such as lead, antimony and a large amount of acid, the problem of environmental pollution after discarding are prominent in lead-acid battery.Develop the novel of environmental protection
Power supply is following Developing mainstream at last.In addition, energy density is low, bulky problem also limits lead-acid battery as power electric
Pond application.
It is similar with lead-acid battery.Nickel-cadmium cell also has a wide range of applications field.Wherein contain a large amount of cadmium, belongs to high poison
Property substance, production and sales have received limitation.Meanwhile the type battery has apparent memory effect.
Nickel-metal hydride battery has the characteristics that long-life, pollution-free using hydrogen bearing alloy as main material.It can be realized in performance
High-power, fast charging and discharging.And durability is higher, can use at low temperature, therefore have a extensive future.
Lithium ion battery technology also more one of mature technology with fastest developing speed.With energy density height, long service life, nothing
The advantages that memory effect.Although lithium ion battery is widely used, lithium ion battery exists in terms of cryogenic property
Certain defect, the output of (0 DEG C or less) energy is difficult under low temperature environment, and energy, which receives, to be seriously affected, and power battery is unable to satisfy
Output demand.This characteristic has also seriously affected it in the popularization and development of the northern area of China.
Currently, the focus development high energy matter ratio of power battery research, the over long distances battery of continuation of the journey.Focus primarily upon selection more
For excellent battery material, to meet high power heavy-current discharge needs, length is continued a journey, low temperature resistant, inexpensive requirement.Currently,
In the power battery ground, including, ferric phosphate lithium ion battery, ternary lithium ion battery, nickel-metal hydride battery etc., but every kind of battery
There are its advantage and deficiency, realizes the power battery requirement of high-power output and long cruising ability.
Utility model content
The purpose of this utility model is to provide a kind of battery pack system and new-energy automobile, the battery pack system is comprehensive not
With the excellent properties of battery, while low temperature can be used, guarantee to discharge for a long time, and can satisfy power battery electric discharge to need
It wants.
To achieve the above object, the utility model provides the following technical solutions:
The embodiment of the present application discloses a kind of battery pack system, comprising:
At least one first battery pack, is made of the battery unit of high energy ratio；
At least one second battery pack is made of the battery unit of high power ratio；
Power transfer device, selective the first battery pack of control and/or the second battery pack are load supplying；
Control unit, comprising:
Intelligent control mould group, including monitoring device and logic judgment device, monitoring device are connected to load and to detect
The running parameter of load, according to running parameter, within a preset range whether control power transfer device acts logic judgment device；
Mould group is manually controlled, using manual manipulation mode control power transfer device movement.
It preferably, further include a self-locking device in above-mentioned battery pack system, which acts on intelligent control
Mould group, and when manually controlling the work of mould group, power transfer device is controlled so that intelligent control group cannot achieve.
Preferably, in above-mentioned battery pack system, the discharge-rate of first battery pack is controlled in 0.01-5C,
Preferably 0.02-1.5C or 0.05-1C or 0.07-0.9C, preferably 0.01-0.09C or 0.02-0.08C；Preferably
0.1-0.9C, preferably 0.1-0.8C, preferably 0.15-0.5C, preferably 0.3-0.5C.
Preferably, in above-mentioned battery pack system, first battery pack is selected from Ni-Cr battery, nickel-metal hydride battery, lead
At least one of sour battery, lithium ion battery, zinc-air battery
Preferably, in above-mentioned battery pack system, the control of the discharge-rate of second battery pack is excellent in 1-150C
It is selected as 1-140C or 2-130C or 3-130C or 10-120C or 20-110C or 20-100C or 30-90C, more preferably:
5C, 15C, 30C, 40C, 60C, 70C, 80C, 90C, 100C or 115C.
Preferably, in above-mentioned battery pack system, second battery pack is selected from Ni-Cr battery, nickel-metal hydride battery, lead
At least one of sour battery, lithium ion battery, lithium-sulfur cell.
Preferably, in above-mentioned battery pack system, second battery pack accounts for the 0.5- of battery pack system gross energy
50%, preferably 0.6-30%, preferably 0.8-25% or for 0.6%, 1%, 1.2%, 1.5%, 1.7%, 10%, 15%,
20%, 30%.
Preferably, in above-mentioned battery pack system, described control unit further includes for battery unit and/or battery pack
Voltage check device, for battery unit and/or battery pack current detection means, be directed to battery unit and/or battery pack
Temperature-detecting device, for battery unit and/or the energy of battery pack output estimation device.
Preferably, further include display device in above-mentioned battery pack system, be connected to the voltage detecting dress
It sets, current detection means, temperature-detecting device and energy output estimation device.
Correspondingly, disclosed herein as well is a kind of new-energy automobile, including any battery pack system,
The manual control module is set in driver's cabin.
Compared with the prior art, the advantages of the utility model are:
(1), high power discharge and operating discharge are effectively functionally realized separation by the application, and battery pack is mentioned
For high current and high-power output.When can load even running outside simultaneously, guarantee prolonged power output；
(2), due to functional separation, height loss part is separated on the whole, reduces battery pack entirety
Electric energy loss, so that high energy battery group can under equal conditions discharge more energy, it is whole by Experimental Comparison
Energy output improves 5-20%；
(3), significantly improve battery, due to high-energy output battery pack do not need to carry out frequent high-energy it is defeated
Out, it is only necessary to carry out low-power output, therefore battery loss is reduced, the high energy battery group service life extends.It is only needed in use suitable
Shi Genghuan high-power battery group, and since high-power battery only accounts for a part of battery pack system, it can choose phase
To the battery kind for being more suitable for high-power output, to improve battery pack service efficiency, replacement cost is also lower；
(4), battery selection is carried out for respective function due to battery, reduces for single battery performance requirement, has
Effect reduces the cost of battery pack system；
(5), making battery pack not is the whole power source as high-power output, therefore reduces battery pack on the whole
Loss, the overall output energy as battery pack is higher than common batteries group；
(6), due to battery system for high-energy output battery pack output require it is low so that originally be not suitable at low temperature
The battery used can also be used as alternatively, to improve the application range of battery system；
(7), more more flexible than automatically controlling due to manually controlling, automatic control is just able to achieve within a preset range, and hand
When it is more efficient when artificially judging to move control, for example battery is in case of emergency needed to play more energy.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the functional-block diagram of battery pack system in the utility model specific embodiment.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in connection with fig. 1, the embodiment of the application provides a kind of battery pack system 1, which can be used for newly
Energy automobile.Battery pack system includes at least one first battery pack 13, at least one second battery pack 12, power transfer device 113
With control unit 11.
First battery pack 13 is made of the battery unit of high energy ratio；Second battery pack 12 by high power ratio battery unit
It constitutes；Power transfer device 113, selective control the first battery pack 13 and/or the second battery pack 12 are 2 power supply of load.
Control unit 11, including intelligent control mould group and manually control mould group.Wherein, intelligent control mould group includes monitoring dress
111 and logic judgment device 112 are set, monitoring device 111 is connected to load and the running parameter to detect load 2, and logic is sentenced
According to running parameter, within a preset range whether control power transfer device 113 acts disconnected device 112；Manually control the use of mould group
Manual manipulation mode controls power transfer device 113 and acts.
Control unit 11 is mainly used for controlling power supply output, and controls the stability of power supply system, according to monitoring device 111
2 job informations of load are obtained, the second battery pack 12 is controlled or 13 pairs of the first battery pack loads 2 is powered.
In a preferred embodiment, it under the conditions of low temperature (0 DEG C or less), startup stage or climbing section, can be switched to
Energy output is individually carried out with high-power second battery pack 12, in steady sections of road, 2 electric currents of load are located at stable region
Between (such as 20~40A) when, the first battery pack 13 with high-energy can be switched to and carry out energy output.
In one embodiment, power transfer device 113 can be made of multiple switch, can be according to different road conditions items
Part, the multiple combinations of first battery pack 13 of proportional selection, the combination of multiple second battery packs 12 or 13 and of the first battery pack
The combination of second battery pack 12, which is realized, powers to load 2.
The one aspect of the technical solution, by the way that high power discharge and operating discharge are functionally effectively realized separation,
So that battery pack is capable of providing high current and high-power output.When can load 2 even running outside simultaneously, guarantee for a long time
Power output.
The other side of the technical solution, it is more more flexible than automatically controlling due to manually controlling, it is controlled automatically at default
It is just able to achieve in range, and is manually controlled in more efficient when artificial judgement, for example in case of emergency battery is needed to send out
When waving more energy.
It further, further include a self-locking device, which acts on intelligent control mould group, and is manually controlling mould
When group work, power transfer device 113 is controlled so that intelligent control group cannot achieve.
In the technical solution, under MANUAL CONTROL mode, by self-locking device automatically the shielding (monitoring of intelligent control mould group
Device 111 can work on), when MANUAL CONTROL mode switches back, or in certain specific node (such as 2 output electricity of load
Stream or power reach particular value) when system switched into automatic control mode, intelligent control is realized by intelligent control mould group
System.
In one embodiment, the discharge-rate control of the first battery pack 13 is in 0.01-5C, preferably 0.02-1.5C or
0.05-1C or 0.07-0.9C, preferably 0.01-0.09C or 0.02-0.08C；Preferably 0.1-0.9C, preferably 0.1-
0.8C, preferably 0.15-0.5C, preferably 0.3-0.5C.
In one embodiment, the first battery pack 13 be selected from Ni-Cr battery, nickel-metal hydride battery, lead-acid battery, lithium ion battery,
At least one of zinc-air battery
In one embodiment, the discharge-rate of the second battery pack 12 is controlled in 1-150C, preferably 1-140C or 2-
130C or 3-130C or 10-120C or 20-110C or 20-100C or 30-90C, more preferably: 5C, 15C, 30C, 40C,
60C, 70C, 80C, 90C, 100C or 115C.
In one embodiment, the second battery pack 12 is selected from Ni-Cr battery, nickel-metal hydride battery, lead-acid battery, lithium ion battery, lithium
At least one of sulphur battery.
In one embodiment, the second battery pack 12 accounts for the 0.5-50% of battery pack system gross energy, preferably 0.6-30%, excellent
It is selected as 0.8-25% or for 0.6%, 1%, 1.2%, 1.5%, 1.7%, 10%, 15%, 20%, 30%.
Control unit 11 further include for battery unit and/or battery pack voltage check device, for battery unit and/
Or battery pack current detection means, for the temperature-detecting device of battery unit and/or battery pack, for battery unit and/
Or the energy output estimation device of battery pack.
Further, voltage check device, current detection means, temperature-detecting device, energy output are estimated device and are shown
Showing device is connected, and by showing the information detected, user of service is notified to safeguard the stabilization of battery pack system in due course.
In one embodiment, battery pack is connect with battery charging control device and charge protection device, guarantees battery pack peace
Entirely, stablize, extend battery.
When battery pack system works, first setting is outer to load 2 normality operation standard parameter areas, and monitoring device 111 monitors outer
2 running parameters are loaded, and transfer information to cell managing device logic judgment device 112, when monitoring that running parameter is greater than
Or when being lower than standard parameter range, logic judgment device 112 selects high-power output battery pack externally to load 2 power supplies, works as monitoring
When to running parameter within the scope of standard parameter, logic judgment device 112 selects high-energy output battery pack externally to load 2 confessions
Electricity.
In one embodiment, the standard parameter range is the positive and negative 0.01-30% of 2 standard condition parameter of outer load, excellent
Selecting range is positive and negative 1-20% or positive and negative 0.01-1% or positive and negative 0.02-0.05%.
Further, the standard parameter is selected from outer load 2 operating voltage, operating currents, output power, operating temperature
It is one or more.
Further the, standard parameter includes the case where that standard parameter is 0 lower than critical field.
The battery pack system of the present embodiment is suitable for power battery, electric vehicle, Brake energy recovery device, electric when being applied to
When motor-car, manual control module is set in driver's cabin, and driver is facilitated to manipulate.
Using electric vehicle as experiment to picture, direct current generator is used as load 2, wherein motor rated power 30kW, peak power
60kW, electric motor starting electric current 170A, motor operation average current 30-35A.Corresponding energy-storage system is installed respectively in unified work
(60km/h is controlled after starting) is tested under the conditions of condition.Monitoring device 111 is current monitoring device, and monitoring current range is 20-
40A.Current of electric is 0 when starting, and default choice is powered with the second battery pack 12.Motor runs well, and electric current is in the area 20-40A
Between after, selection with the first battery pack 13 power supply.Each embodiment and comparative example is analyzed as follows table:
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of battery pack system characterized by comprising
At least one first battery pack, is made of the battery unit of high energy ratio；
At least one second battery pack is made of the battery unit of high power ratio；
Power transfer device, selective the first battery pack of control and/or the second battery pack are load supplying；
Control unit, comprising:
Intelligent control mould group, including monitoring device and logic judgment device, monitoring device are connected to load and to detect load
Running parameter, logic judgment device according to running parameter whether within a preset range control power transfer device act；
Mould group is manually controlled, using manual manipulation mode control power transfer device movement.
2. battery pack system according to claim 1, which is characterized in that further include a self-locking device, which makees
For intelligent control mould group, and when manually controlling the work of mould group, so that intelligent control group cannot achieve to power transfer device
Control.
3. battery pack system according to claim 1, which is characterized in that the discharge-rate of first battery pack controls
In 0.01-5C.
4. battery pack system according to claim 1, which is characterized in that first battery pack be selected from Ni-Cr battery,
At least one of nickel-metal hydride battery, lead-acid battery, lithium ion battery, zinc-air battery.
5. battery pack system according to claim 1, which is characterized in that the discharge-rate of second battery pack controls
In 1-150C.
6. battery pack system according to claim 1, which is characterized in that second battery pack be selected from Ni-Cr battery,
At least one of nickel-metal hydride battery, lead-acid battery, lithium ion battery, lithium-sulfur cell.
7. battery pack system according to claim 1, which is characterized in that it is total that second battery pack accounts for battery pack system
The 0.5-50% of energy.
8. battery pack system according to claim 1, which is characterized in that described control unit further includes for battery unit
And/or battery pack voltage check device, for battery unit and/or battery pack current detection means, be directed to battery unit
And/or the temperature-detecting device of battery pack, for battery unit and/or the energy of battery pack output estimation device.
9. battery pack system according to claim 8, which is characterized in that further include display device, be connected to described
Voltage check device, current detection means, temperature-detecting device and energy output estimation device.
10. a kind of new-energy automobile, which is characterized in that including any battery pack system of claim 1 to 9,
The mould group that manually controls is set in driver's cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821255993.7U CN208655829U (en) | 2018-08-06 | 2018-08-06 | Battery pack system and new-energy automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821255993.7U CN208655829U (en) | 2018-08-06 | 2018-08-06 | Battery pack system and new-energy automobile |
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| CN208655829U true CN208655829U (en) | 2019-03-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130185A (en) * | 2020-01-16 | 2020-05-08 | 易航时代(北京)科技有限公司 | Combined power supply system and power supply control method |
| CN113942420A (en) * | 2021-09-18 | 2022-01-18 | 中科派思储能技术有限公司 | Battery system with lithium sulfur range extender and electric automobile |
| CN114039402A (en) * | 2021-08-31 | 2022-02-11 | 百发动力（无锡）有限公司 | Battery pack switching control system, battery pack switching control method, and readable storage medium |
| WO2023231521A1 (en) * | 2022-05-31 | 2023-12-07 | 比亚迪股份有限公司 | Power supply device |
-
2018
- 2018-08-06 CN CN201821255993.7U patent/CN208655829U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111130185A (en) * | 2020-01-16 | 2020-05-08 | 易航时代(北京)科技有限公司 | Combined power supply system and power supply control method |
| CN114039402A (en) * | 2021-08-31 | 2022-02-11 | 百发动力（无锡）有限公司 | Battery pack switching control system, battery pack switching control method, and readable storage medium |
| CN113942420A (en) * | 2021-09-18 | 2022-01-18 | 中科派思储能技术有限公司 | Battery system with lithium sulfur range extender and electric automobile |
| WO2023231521A1 (en) * | 2022-05-31 | 2023-12-07 | 比亚迪股份有限公司 | Power supply device |
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