CN102903876B - For the power brick of electric automobile - Google Patents
For the power brick of electric automobile Download PDFInfo
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- CN102903876B CN102903876B CN201210431727.6A CN201210431727A CN102903876B CN 102903876 B CN102903876 B CN 102903876B CN 201210431727 A CN201210431727 A CN 201210431727A CN 102903876 B CN102903876 B CN 102903876B
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- Prior art keywords
- battery
- power brick
- battery pack
- electric automobile
- put area
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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
Abstract
The present invention discloses a kind of power brick for electric automobile.This power brick comprises: shell, is provided with battery pack put area and accessory put area, and shell is also provided with heat abstractor in this shell; Battery pack, this battery pack comprises multiple battery unit, and is arranged in the battery pack put area of shell, and battery unit is the basic battery module comprising multiple cell, battery carrier; Battery management component, this battery management component is connected with battery pack, and is arranged in the accessory put area of shell.According to the power brick for electric automobile of the present invention, can the various accessories of battery pack and such as battery management component be arranged in power brick, make power brick be able to integrated more function, and the method for designing of battery cell module can meet the requirement of different electric motor car to aspects such as the size of power brick, voltage, capacity and safety by the various combination of battery unit.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly relate to a kind of power brick for electric automobile.
Background technology
Battery is the critical component of electric automobile as the main energy-storage travelling wave tube of electric automobile, directly affects the performance of electric automobile.For the ease of the setting of battery in electric automobile, the factory commercial city of current many electric automobiles is that by battery, multiple battery is incorporated in a power brick by the mode be placed in power brick by adopting, then power brick is installed on electric automobile as electric automobile is powered.But, this power brick is only used to hold battery, and function ratio is more single, manyly also needs to be connected with power brick in addition with the matching used parts of battery, cause assign a work complexity, efficiency of the parts of electric automobile inside low, be also unfavorable for the carrying out of maintenance work simultaneously.
Therefore, need a kind of power brick for electric automobile, to solve problems of the prior art.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of power brick for electric automobile, comprising: shell, be provided with battery pack put area and accessory put area in described shell, and described shell is also provided with heat abstractor; Battery pack, described battery pack comprises multiple battery unit, and is arranged in the described battery pack put area of described shell, and described battery unit is the basic battery module comprising multiple cell, battery carrier; Battery management component, described battery management component is connected with described battery pack, and is arranged in the described accessory put area of described shell.
Preferably, described shell comprises drain pan and upper cover, and wherein, described battery pack put area and described accessory put area are arranged in described drain pan.
Preferably, in the described battery pack put area of described drain pan, be provided with baffle plate, described baffle plate is provided with location hole.
Preferably, the both sides of described baffle plate are provided with multiple first alignment pin.
Preferably, in the described accessory put area of described drain pan, multiple second alignment pin is provided with.
Preferably, the sidewall of described drain pan is also provided with interface module, described accessory put area is provided with terminal box matching used with described interface module.
Preferably, the sidewall of described drain pan is provided with the emergency stop switch be connected with described battery pack.
Preferably, the positive pole of described cell and negative pole are connected on described battery carrier, and are provided with end cap on described battery carrier.
Preferably, the sidewall of described battery carrier is provided with multiple mounting groove for installing battery frame.
Preferably, between described battery carrier and described end cap, also conductive plate is provided with.
Preferably, described battery carrier and described conductive plate junction are provided with copper sheet.
Preferably, the top of described battery carrier is provided with groove, is provided with contiguous block in described groove, described copper sheet is arranged on described contiguous block.
Preferably, described heat abstractor comprises multiple radiator fan and multiple fresh air inlet.
According to the power brick for electric automobile of the present invention, be provided with battery pack put area and accessory put area in the enclosure, just can the various accessories of battery pack and such as battery management component be arranged in power brick, make power brick be able to integrated more function, and the method for designing of battery cell module can meet the requirement of different electric motor car to aspects such as the size of power brick, voltage, capacity and safety by the various combination of battery unit.
In summary of the invention part, introduce the concept of a series of reduced form, this will further describe in embodiment part.Content part of the present invention does not also mean that the key feature and essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection range attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
Following accompanying drawing of the present invention in this as a part of the present invention for understanding the present invention.Shown in the drawings of embodiments of the present invention and description thereof, be used for explaining principle of the present invention.In the accompanying drawings,
Fig. 1 is the structural representation of the power brick for electric automobile according to one embodiment of the present invention;
Fig. 2 is the structural representation of the drain pan of the power brick for electric automobile according to one embodiment of the present invention;
Fig. 3 is the structural representation of the battery pack of the power brick for electric automobile according to one embodiment of the present invention;
Fig. 4 is the decomposition texture schematic diagram of cell and battery carrier;
Fig. 5 is the package assembly schematic diagram of cell and battery carrier;
Fig. 6 is the decomposition texture schematic diagram of conductive plate and battery carrier;
Fig. 7 is the decomposition texture schematic diagram of battery unit.
Embodiment
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.But, it will be apparent to one skilled in the art that the present invention can be implemented without the need to these details one or more.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not described.
In order to thoroughly understand the present invention, by following description, detailed structure is proposed.Obviously, execution of the present invention is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present invention is described in detail as follows, but except these are described in detail, the present invention can also have other execution modes.
The invention discloses a kind of power brick for electric automobile, as shown in Figure 1, this power brick mainly comprises shell, battery pack 30 and battery management component (not shown).Wherein, shell can be set to the structure of split, also can be the integral structure with lid, and in order to carry out heat extraction to battery pack 30, shell also be provided with heat abstractor.Shell shown in Fig. 1 includes drain pan 10 and upper cover 50, and drain pan 10 has base plate and is arranged on sidewall on base plate, and upper cover 50 lids to be located on drain pan 10 thus to be assembled into a complete shell.The structure of drain pan 10 as shown in Figure 2, be provided with in drain pan 10 for the battery pack put area 11 of placing battery group 30 and the accessory put area 13 for accessories such as placing battery management components, and on the sidewall of drain pan 10, be also provided with multiple radiator fan 15 for discharging heat in power brick.Battery pack 30 is arranged in the battery pack put area 11 of drain pan 10, and the structure of battery pack 30 as shown in Figure 3, comprises multiple battery unit 70.Get back in Fig. 1, battery management component is arranged in the accessory put area 13 of drain pan 10, be connected with the battery pack 30 be arranged in battery pack put area 11, to realize accurately estimating the state-of-charge of battery pack 30, the operating state of dynamic monitoring battery pack 30 and carrying out equalizing charge for battery pack 30.Upper cover 50 covers on drain pan 10, be fixed on drain pan 10 by using screw through the drift bolt hole 51 on upper cover 50 is screwed into drain pan 10, upper cover 50 is provided with multiple fresh air inlet 53, these fresh air inlets 53 enter into the inside of power brick for clean cold air, cool battery pack 30, the multiple radiator fans 15 of heat then on the sidewall being arranged on drain pan 10 that battery pack 30 produces simultaneously drain into power brick outside.Here the multiple radiator fans 15 mentioned and multiple fresh air inlet 53 form the heat abstractor be arranged on shell, the setting position about multiple radiator fan 15 and fresh air inlet 53 before mentioned is exemplary, during practical application, multiple radiator fan 15 both can be arranged on the sidewall of drain pan 10, also can be arranged on upper cover 50, similarly, multiple fresh air inlet 53 is also both to be arranged on the sidewall of drain pan 10, also can be arranged on upper cover 50.
One of the present invention preferred embodiment in, as shown in Figure 2, baffle plate 17 is provided with in the battery pack put area 11 of drain pan 10, battery pack put area 11 is divided into two parts by this baffle plate 17, each part is placing battery group 30 respectively, to make the setting of battery pack 30 in battery pack put area 11 more orderly.It can also be seen that from Fig. 2, baffle plate 17 being provided with multiple location hole 171 for locating battery pack 30, to facilitate piling up of battery pack 30.
Still with reference to Fig. 2, further preferably, can also set up multiple first alignment pin 19 in the both sides of baffle plate 17, these first alignment pins 19 are same for positioning battery pack 30.Like this, multiple first alignment pin 19 positions battery pack 30 together with multiple location hole 171, further ensure that correct and orderly pile up of battery pack 30 in battery pack put area 11.
For the ease of the setting of the accessories such as battery management component in the accessory put area 13 of drain pan 10, it can also be seen that from Fig. 2, multiple second alignment pin 12 is provided with in accessory put area 13, these second alignment pins 12, for positioning the setting of the accessories such as battery management component in accessory put area 13, make accessory be able in accessory put area 13 correctly and pile up in an orderly manner.
Referring again to Fig. 1, preferably, in order to make the power brick for electric automobile provided by the invention have more function, can also set up interface module on the sidewall of drain pan 10, interface module specifically can comprise charging socket 141, power line connector 143 and signal wire socket 145.Wherein, charging socket 141 is for realizing the charging to battery pack 30; power line connector 143 and signal wire socket 145 are used for being connected with power line and holding wire respectively; with the power supply realizing power brick with communicate; and protecting glue head (not shown) can be set with on power line connector 143, cause danger to the metallic member of power line connector 143 to avoid human contact.In addition, the matching used terminal box 16 with interface module is also provided with in the accessory put area 13 of drain pan 10, the wire be connected to like this on charging socket 141, power line connector 143 and signal wire socket 145 can be contained in terminal box 16, avoid wire to be arranged in pell-mell in power brick, ensure that the clean and tidy of power brick inside.
In another preferred embodiment of the present invention, power supply to outside in case of emergency can be cut off in order to make power brick, as shown in Figure 1, the sidewall of drain pan 10 is provided with emergency stop switch 18, the electric current contact of power brick can be cut off by this emergency stop switch 18 when being in an emergency, ensure the safety of power brick.
Be described below in conjunction with the concrete structure of accompanying drawing to battery pack 30.
First with reference to Fig. 3, battery pack 30 comprises multiple battery unit 70, and this battery unit 70 is for comprising the basic battery module of the multiple cells 71 shown in Fig. 4, battery carrier 73.Two wherein adjacent battery units 70 are first connected by the busbar 31 at top, and like this, multiple battery unit 70 is just assembled into battery pack 30.In order to ensure that multiple battery unit 70 closely and connect into an entirety securely, have battery frame 33 in the outer setting of battery pack 30, the surrounding of battery pack 30 surrounds by this battery frame 33, plays the effect of the connection between clamping battery unit 70.
Following reference Fig. 4 to Fig. 7 illustrates the structure of battery unit 70 and the assembling process of battery unit 70.
In the diagram, show cell 71 and the battery carrier 73 of battery unit 70, the positive pole of cell 71 and negative pole are all connected on battery carrier 73.Particularly, each battery carrier 73 is provided with erection column 731, one of them erection column 731 is processed with screwed hole, another erection column 731 is processed with through hole.After the positive pole being installed to cell 71 when battery carrier 73 and negative pole, the erection column 731 of two battery carriers 73 will align, at this moment bolt 90 is used to be screwed in the screwed hole of another erection column 731 through the erection column 731 being processed with through hole, thus on the positive pole that makes battery carrier 73 be fixed on cell 71 and negative pole.Subsequently, just on two battery carriers 73, end cap 20 can be installed according to the execution mode shown in Fig. 7 respectively, this completes the assembling of a battery unit 70.
One about battery carrier 73 is preferably arranged, with reference to Fig. 3, mention above after multiple battery unit 70 is assembled into battery pack 30, battery frame 33 can be set in battery pack 30, the conveniently installation of battery frame 33, preferably, can multiple mounting groove 733 be set on the sidewall of battery carrier 73, such battery frame 33 just can be arranged in these mounting grooves 733 along the part of battery pack 30 longitudinal direction, both ensure that the firm of battery frame 33, also limit the relative displacement between battery frame 33 and battery pack 30 simultaneously.
Preferably, according to the execution mode shown in Fig. 6, conductive plate 40 can be set between end cap 20 and battery carrier 73.How to be arranged between end cap 20 and battery carrier 73 about conductive plate 40, with reference to Fig. 6, namely first multiple cuttings 41 of conductive plate 40 can be inserted in the cannelure 739 of battery carrier 73, be fixed by screws in the top of battery carrier 73 subsequently.Structure after conductive plate 40 is connected with battery carrier 73 can see Fig. 7.
For two that are arranged on the same side adjacent conductive plates 40, the copper sheet 60 shown in Fig. 5 can be adopted to connect.Fig. 5 shows a kind of mounting means of copper sheet 60, first on battery carrier 73, arranges groove 735, then installs contiguous block 737 in groove 735, and contiguous block 737 is provided with screwed hole, copper sheet 60 needs to process through hole simultaneously.Like this, using screw when assembling from top to bottom first through conductive plate 40 and copper sheet 60, being then screwed in the screwed hole of contiguous block 737, just conductive plate 40, copper sheet 60 and battery carrier 73 being connected as one.
To sum up, power brick for electric automobile of the present invention is provided with battery pack put area and accessory put area in the enclosure, just can the various accessories of battery pack and such as battery management component be arranged in power brick, make power brick be able to integrated more function, and the method for designing of battery cell module can meet the requirement of different electric motor car to aspects such as the size of power brick, voltage, capacity and safety by the various combination of battery unit.
The present invention is illustrated by above-described embodiment, but should be understood that, above-described embodiment just for the object of illustrating and illustrate, and is not intended to the present invention to be limited in described scope of embodiments.In addition it will be appreciated by persons skilled in the art that the present invention is not limited to above-described embodiment, more kinds of variants and modifications can also be made according to instruction of the present invention, within these variants and modifications all drop on the present invention's scope required for protection.Protection scope of the present invention defined by the appended claims and equivalent scope thereof.
Claims (11)
1. for a power brick for electric automobile, it is characterized in that, comprising:
Shell, is provided with battery pack put area and accessory put area, and described shell is also provided with heat abstractor in described shell;
Battery pack, described battery pack comprises multiple battery unit, and is arranged in the described battery pack put area of described shell, and described battery unit is the basic battery module comprising multiple cell, battery carrier; The positive pole of described cell and negative pole are connected on described battery carrier; Two adjacent described battery units are connected by busbar;
Battery management component, described battery management component is connected with described battery pack, and is arranged in the described accessory put area of described shell,
Wherein said battery carrier is provided with end cap, and the outer setting of described battery pack has battery frame, and the sidewall of described battery carrier is provided with multiple mounting groove for installing described battery frame.
2. according to the power brick for electric automobile according to claim 1, it is characterized in that, described shell comprises drain pan and upper cover, and wherein, described battery pack put area and described accessory put area are arranged in described drain pan.
3. according to the power brick for electric automobile according to claim 2, it is characterized in that, in the described battery pack put area of described drain pan, be provided with baffle plate, described baffle plate is provided with location hole.
4. according to the power brick for electric automobile according to claim 3, it is characterized in that, the both sides of described baffle plate are provided with multiple first alignment pin.
5. according to the power brick for electric automobile according to claim 2, it is characterized in that, in the described accessory put area of described drain pan, be provided with multiple second alignment pin.
6. according to the power brick for electric automobile according to claim 2, it is characterized in that, the sidewall of described drain pan is provided with interface module, described accessory put area is provided with terminal box matching used with described interface module.
7. according to the power brick for electric automobile according to claim 2, it is characterized in that, the sidewall of described drain pan is provided with the emergency stop switch be connected with described battery pack.
8. according to the power brick for electric automobile according to claim 1, it is characterized in that, between described battery carrier and described end cap, be also provided with conductive plate.
9. according to the power brick for electric automobile according to claim 8, it is characterized in that, described battery carrier and described conductive plate junction are provided with copper sheet.
10. according to the power brick for electric automobile according to claim 9, it is characterized in that, the top of described battery carrier is provided with groove, be provided with contiguous block in described groove, described copper sheet is arranged on described contiguous block.
11., according to the power brick for electric automobile according to claim 1, is characterized in that, described heat abstractor comprises multiple radiator fan and multiple fresh air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431727.6A CN102903876B (en) | 2012-11-01 | 2012-11-01 | For the power brick of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431727.6A CN102903876B (en) | 2012-11-01 | 2012-11-01 | For the power brick of electric automobile |
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| Publication Number | Publication Date |
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| CN102903876A CN102903876A (en) | 2013-01-30 |
| CN102903876B true CN102903876B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210431727.6A Active CN102903876B (en) | 2012-11-01 | 2012-11-01 | For the power brick of electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015212241A1 (en) | 2015-06-30 | 2017-01-05 | Robert Bosch Gmbh | Battery submodule and battery system |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160093848A1 (en) | 2014-09-30 | 2016-03-31 | Johnson Controls Technology Company | Modular approach for advanced battery modules having different electrical characteristics |
| EP3745496A1 (en) * | 2014-12-12 | 2020-12-02 | Black & Decker Inc. | Transport system for battery pack |
| CN108063193B (en) * | 2016-11-08 | 2021-02-12 | 磐石电池股份有限公司 | Battery parallel arrangement with equal resistance charging and discharging path |
| CN106785229B (en) * | 2017-03-29 | 2019-05-10 | 先进储能材料国家工程研究中心有限责任公司 | A kind of liquid cooling battery pack |
| CN108039536A (en) * | 2018-01-08 | 2018-05-15 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle liquid cooling apparatus and liquid cooling system |
| US20230344060A1 (en) * | 2020-04-01 | 2023-10-26 | Tvs Motor Company Limited | A battery block |
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| CN101483227A (en) * | 2008-01-10 | 2009-07-15 | 日立车辆能源株式会社 | Cell module |
| CN201936951U (en) * | 2011-01-28 | 2011-08-17 | 湖南科力远新能源股份有限公司 | Battery combining energy package |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110117408A1 (en) * | 2009-11-13 | 2011-05-19 | Lennox Stuart B | Battery Assembly |
| CN102437368A (en) * | 2011-12-16 | 2012-05-02 | 协鑫动力新材料（盐城）有限公司 | Battery assembly |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483227A (en) * | 2008-01-10 | 2009-07-15 | 日立车辆能源株式会社 | Cell module |
| CN201936951U (en) * | 2011-01-28 | 2011-08-17 | 湖南科力远新能源股份有限公司 | Battery combining energy package |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015212241A1 (en) | 2015-06-30 | 2017-01-05 | Robert Bosch Gmbh | Battery submodule and battery system |
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| CN102903876A (en) | 2013-01-30 |
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