CN102522510A - Battery system - Google Patents
Battery system Download PDFInfo
- Publication number
- CN102522510A CN102522510A CN2011103951630A CN201110395163A CN102522510A CN 102522510 A CN102522510 A CN 102522510A CN 2011103951630 A CN2011103951630 A CN 2011103951630A CN 201110395163 A CN201110395163 A CN 201110395163A CN 102522510 A CN102522510 A CN 102522510A
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- Prior art keywords
- battery
- circuit board
- battery system
- battery management
- management circuit
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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 invention provides a battery system, which is characterized by comprising a battery component, a shell, a cover body and a battery management circuit board, wherein the battery component comprises a frame, and a plurality of batteries which are arranged in the frame and electrically connected with one another; the shell accommodates the battery component; the cover body is covered on the shell; and the battery management circuit board is fixed at a distance away from the top of the frame on the frame, and is electrically connected with the plurality of batteries. Compared with the prior art, the battery system has the advantages that: the battery management circuit board is arranged at the distance away from the top of the frame on the frame of the battery component, so that a circuit can be well laid out, and the cover body can be conveniently opened for maintenance.
Description
Technical field
The present invention relates to a kind of battery system, relate in particular to a kind of battery management circuit board of battery system.
Background technology
In recent years, consider that environmental pollution is serious day by day, storage battery, it can be recharged or discharge, and often is used as power source and substitutes traditional fossil fuel to solve the caused problem of environmental pollution of fossil fuel.In the vehicle power field, to compare with traditional energy, electrodynamic source has remarkable advantages aspect environmental protection.Adopt battery not consume gasoline, no waste gas, low noise as power source, radiation is little, is a kind of comparatively ideal power source.Electrodynamic source at present commonly used adopts a plurality of monocells to be placed in the battery modules framework usually, through the connection in series-parallel module monocell is electrically made up, thereby forms a battery modules, and then satisfy power demand.
At present, battery component is placed in the casing to form battery system usually.Also be provided with the charge and discharge that the battery management circuit board comes the administration battery pack part in the battery system.In the existing design, the battery management circuit board is installed on the lid of casing usually, and electrically connects through connecting lead and battery component.Yet, be provided with like this and can cause trace arrangements complicated, and be unfavorable for the maintenance of opening of lid.
In view of this, be necessary to provide a kind of new circuit board mounting structure to address the above problem.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of battery system, and being provided with of its battery management circuit board helps well arranging of circuit, and is convenient to lid and opens maintenance.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of battery system, and said battery system comprises: battery component comprises framework and is arranged in the framework and the some batteries that electrically connect each other; Housing is accommodated said battery component; Lid covers on said housing; And the battery management circuit board, being fixed on the said framework and electrically connecting with said some batteries, said battery management circuit board is provided with apart from frame roof at interval.
As further improvement of the present invention, be provided with upright support column between said battery management circuit board and the said framework.
As further improvement of the present invention, said frame roof is provided with column, and said column is threaded with said support column.
As further improvement of the present invention, said battery management circuit board is provided with the battery management control assembly, is used for monitoring cell voltage, electric current and temperature.
As further improvement of the present invention, this system also comprises the radiator that is arranged between battery management circuit board and the lid, and said radiator is connected with the battery management circuit board through fixed leg.
As further improvement of the present invention, said support column is longer than said fixed leg.
As further improvement of the present invention, this system also comprises the cell balancing circuit plate that is arranged between battery management circuit board and the radiator, and it has the battery equilibrium control assembly and dissipates into heat energy to be used for the controlling unnecessary electric energy of battery.
As further improvement of the present invention, said radiator comprises sheet metal, and punching press is formed with protuberance on the said sheet metal, and in protuberance, defines the accommodating area territory, and said cell balancing circuit plate is contained in said accommodating in the zone.
As further improvement of the present invention, said lid is provided with the opening of the protuberance that is used to accommodate said radiator.
As further improvement of the present invention, said battery management control assembly comprises electronic switch, and said battery management control assembly also is used for realizing the protection to battery through the break-make of control electronic switch.
Compared with prior art, the invention has the beneficial effects as follows: the battery management circuit board is installed on the framework of battery component and at interval and is provided with, thereby helps well arranging of circuit, and is convenient to lid and opens maintenance.
Description of drawings
Fig. 1 is battery system of the present invention partial schematic diagram in first execution mode;
Fig. 2 is battery system of the present invention partial schematic diagram in second execution mode;
Fig. 3 is the stereogram of battery component in the battery system shown in Figure 2;
Fig. 4 is the stereogram of battery system middle shell shown in Figure 2;
Fig. 5 is the stereogram of lid in battery system one embodiment of the present invention;
Fig. 6 is in battery system one embodiment of the present invention, and battery management circuit board and part frame make up the back stereogram;
Fig. 7 is the battery management circuit board shown in Figure 6 and the explosive view of associated components;
Fig. 8 is the stereogram of radiator shown in Figure 6;
Fig. 9 is the stereogram of another angle of radiator shown in Figure 6;
Figure 10 is in battery system one embodiment of the present invention, the stereogram of radiating fin;
Figure 11 is in the embodiment of the invention, the stereogram after the battery system overall package.
Embodiment
Below will combine each embodiment shown in the drawings to describe the present invention.But these embodiment do not limit the present invention, and those of ordinary skill in the art all is included in protection scope of the present invention according to the conversion on structure, method or the function that these embodiment made.
In ginseng Fig. 1 and the execution mode shown in Figure 2, battery system 100 comprises battery component 20.Said battery component 20 includes framework, also is provided with some batteries 23 of mutual electric connection in the framework.Said battery 23 can selectively be configured to some specifications.Said battery system 100 also includes housing 10, and said housing 10 is accommodated battery component 20.Said battery system 100 also includes lid 30 (as shown in Figure 5), and said lid 30 is covered on the housing 10, guarantees that battery system 100 internal cell assemblies 20 can not influenced and cause electrical fault by the outside.
Like Fig. 1, Fig. 2 and shown in Figure 3, said battery system 100 can be on the basis that guarantees housing 10 shapes, size constancy, and the battery 23 of its inside is carried out the configuration of specification.Wherein said specification comprises voltage and the capacity after battery 23 configurations.Because the configuration of described battery 23 specifications needs a plurality of batteries 23 to electrically connect,, could guarantee the accuracy that disposes thus so require that each battery 23 has identical rated voltage and rated capacity in the same specification configuration.
In the present embodiment, adopt the electric-conductor 24 of metallic plate integrated punching moulding to be used as series and parallel structure between the battery 23.Only need on electric-conductor, through hole be set the position to electrode; After electric-conductor 24 covers corresponding electrode; By nut electric-conductor 24 is fixed on the top-support 21 again, thus guaranteed to combine between battery 23, top-support 21 and electric-conductor 24 threes closely.Dispose the battery specification among this battery system 100, comprise to the adjustment of battery 23 quantity and to the adjustment of series and parallel structure between the battery 23, after realizing said two devices adjusted, the framework of adaptive designs fix battery 23 usefulness.In the present embodiment, only need carry out accommodation to the battery container district on top-support 21 and the bottom bracket 22 and electrode accepting hole and can satisfy on the basis of identical casings 10, the specification of battery 23 can be done corresponding configuration.
Specification configuration is for the rated voltage and the rated capacity of battery and have no special requirements, and only needs between each battery relevant parameters to be consistent and can satisfy the modularity demand.In one embodiment, adopting rated voltage is 3 volts, and rated capacity is the battery of 12.5 ampere-hours, and number of batteries is 24.With the series connection of 24 batteries to obtain 72 volts, the specification of 12.5 ampere-hours; Also can be as shown in Figure 1, with 24 per two parallel connections of battery and then series connection to obtain 36 volts, the specification of 25 ampere-hours.
In another embodiment, adopting rated voltage is 3 volts, and rated capacity is 16 on the battery of 25 ampere-hours.The series connection of 16 batteries then can be obtained 48 volts, the specification of 25 ampere-hours; Also can be with 16 per two parallel connections of battery and then series connection to obtain 24 volts, the specification of 50 ampere-hours; Perhaps as shown in Figure 2, with 16 per four parallel connections of battery and then series connection to obtain 12 volts, the specification of 100 ampere-hours.Usually specification can be shown in battery housing 10 sides with the form of label, makes things convenient for modularity to use to indicate specification.
Join shown in Figure 3ly, in the present embodiment, the electric-conductor that adopts the moulding of metallic plate integrated punching to form comes series and parallel battery 23.Electrode for the battery among the same row is connected in series, and can be set to long vertical bar shape first electric-conductor 241.Carry out and connect for the electrode of difference row battery, many rows' second electric-conductors 242 can be set.Said second electric-conductor 242 is used for two row's batteries are connected.In the present embodiment, second electric-conductor 242 is the integrated punching moulding.
Ginseng Fig. 4 and shown in Figure 5, the housing 10 of battery system 100 include diapire and from the upwardly extending sidewall 11 of all sides of diapire, thereby form a host cavity to accommodate battery component 20.The shape of housing 10 can design according to the framework of battery component 20, and its material adopts insulating material.In the present embodiment, housing 10 is set to cube, and adopts the ABS plastic material to process.The lid 30 of battery system 100 is covered in box body 10 tops, and the two adopts the screw secure bond.Said lid 30 is processed for insulating material, to guarantee the insulating properties of battery system.
Ginseng Fig. 6 and shown in Figure 1, battery system 100 also includes battery management circuit board 41, and said battery management circuit board 41 is fixed on the said framework and with said battery 23 and electrically connects.Wherein said battery management circuit board 41 is provided with apart from frame roof at interval.In the present embodiment, framework includes top-support 21 and bottom bracket 22, and said battery management circuit board 41 is fixed in said top-support 21 tops and is provided with at interval with top-support 21.
Be provided with upright support column 211 between said battery management circuit board 41 and the said framework, support column 211 is processed by long straight copper post.Thereby battery management circuit board 41 is provided with frame roof for supporting 211 supports at interval.Said frame roof 21 has column 212, and said support column 211 and column 212 are through being threaded.Said support column 211 is screwed into said column 212, thereby makes said support column 211 be fixed in said frame roof.Said battery management circuit board 41 also comprises the battery management control assembly, is used for monitoring cell voltage, electric current and temperature.Said battery management control assembly comprises electronic switch 411, and said battery management control assembly also is used for realizing the protection to battery through the break-make of control electronic switch 411.
In the present embodiment, adopt FET as electronic switch 411.Said battery system 100 also comprises the radiator 42 that is arranged between battery management circuit board 41 and the lid 30, and said radiator 42 is processed for aluminium or copper becomes.Said radiator 42 is connected with battery management circuit board 41 through fixed leg 213, and said support column 211 is longer than said fixed leg 213.Said fixed leg 213 supports 211 and fixes through screw thread with said, keeps between support column 211 and the fixed leg 213 stablizing thereby battery management circuit board 41 is fixed in.
Like Fig. 7, Fig. 8 and shown in Figure 9, said battery system 100 also comprises cell balancing circuit plate 43, and it is a square printed circuit board (PCB), utilizes resistance to convert electric energy unnecessary in the battery into heat energy, is the passive type balance.Said cell balancing circuit plate 43 is arranged between battery management circuit board 41 and the radiator 42 and is fixed on the said radiator 42.Said cell balancing circuit plate 43 is provided with the battery equilibrium control assembly that is used for battery 23 unnecessary electric energy are dissipated into heat energy.Said radiator 42 comprises sheet metal, and punching press is formed with protuberance 421 on the said sheet metal, and in protuberance 421, defines accommodating area territory 422, and said cell balancing circuit plate 43 is contained in said accommodating in the zone 422.
Ginseng Fig. 5, Fig. 8, Figure 10 and shown in Figure 11; Said lid 30 is provided with opening 31; Said opening 31 is used to accommodate the protuberance 421 of said radiator 42; Said protuberance 421 extends lid 30, and said battery system also comprises radiating fin 50, and said radiating fin 50 bottoms combine with the part that said protuberance 421 extends lid 30.
In sum, said battery system 100 can have following number of assembling steps:
Step 1: the bottom bracket 22 of framework is inserted in the battery housing 10;
Step 2: battery 23 is inserted in the bottom bracket 22;
Step 3: top-support 21 is placed battery 23 tops;
Step 4: column 212 tops that support column 211 are locked in top-support 21;
Step 5: battery management circuit board 41 above support column 211, is used fixed leg 213 under lock and key again;
Step 6: cell balancing circuit plate 43 is locked in accommodating in the zone 422 of radiator 42;
Step 7: radiator 42 usefulness screws are locked in short copper post 213 tops;
Step 8: various batteries, battery management module, the interconnective circuit of battery equilibrium module are connected;
Step 9: lid 30 is covered on the housing 10, and use screw locking;
Step 10: radiator 42 and lid 30 is sealed;
Step 11: radiating fin 50 is locked in lid 30 tops.
Join shown in Figure 7, battery system 100 in the course of the work, cell balancing circuit plate 43 is to convert electric energy unnecessary in the battery into heat energy for the passive type balance mode.In the course of the work, can produce sizable heat, so can cell balancing circuit plate 43 directly be connected with radiator 42.In the present embodiment, adopt screw with cell balancing circuit plate 43 and radiator 42 lockings.In the present embodiment, preferably adopt FET to be used as electronic switch 411.Yet, owing to said defencive function to battery 23 is that the field effect pipe is controlled through high frequency ground break-make by electronic switch 411, thus great amount of heat can be produced inevitably, therefore extremely important to the heat radiation of FET 411.
The FET of making electronic switch 411 in the said battery system 100 is arranged on the battery management circuit board 41, also is provided with insulating trip between said electronic switch 411 and the radiator 42.Said insulated strip material comprises silica gel, mica sheet.Electronic switch 411 was breakdown and lost efficacy when said insulating trip can be avoided leaking electricity.It is big that said insulating trip is attend projected area ratio's said electronic switch 411 projected area on radiator at radiator 42, and promptly the insulating trip area is bigger than electronic switch 411 areas, thereby prevents that electronic switch 411 from electrically contacting with radiator.In addition, be provided with heat radiation oil between said electronic switch 411 and the said insulating trip; And be provided with heat radiation oil between said radiator 42 and the said insulating trip.Said heat radiation oil can adopt heat dissipating silicone grease.Thus; The heat of said electronic switch 411 is passed to insulating trip through the oil that dispels the heat, and is passed to radiator 42 through the oil that dispels the heat again, is passed to radiating fin 50 by radiator 42 at last; And be delivered to battery system 100 outsides, thereby the internal heat that guarantees battery system 100 can in time obtain dissipating.
Can find out by above-mentioned execution mode, in identical housing, can realize the configuration of different size battery system, thereby improve the shared rate of housing.In addition, the battery management circuit board is installed on the framework of battery component and at interval and is provided with, thereby helps well arranging of circuit, and is convenient to lid and opens maintenance.In addition, the cell balancing circuit plate is arranged on the radiator 42, and the heat energy that can in time the passive type balance be produced in time obtains dissipating.
Be to be understood that; Though this specification is described according to execution mode; But be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, and those skilled in the art should make specification as a whole; Technical scheme in each execution mode also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
The listed a series of detailed description of preceding text only is specifying to feasibility execution mode of the present invention; They are not in order to restriction protection scope of the present invention, allly do not break away from equivalent execution mode or the change that skill of the present invention spirit done and all should be included within protection scope of the present invention.
Claims (10)
1. a battery system is characterized in that, said battery system comprises:
Battery component comprises framework and is arranged in the framework and the some batteries that electrically connect each other;
Housing is accommodated said battery component;
Lid covers on said housing; And
The battery management circuit board is fixed on the said framework and electrically connects with said some batteries, and said battery management circuit board is provided with apart from frame roof at interval.
2. battery system as claimed in claim 1 is characterized in that: be provided with upright support column between said battery management circuit board and the said framework.
3. battery system as claimed in claim 2 is characterized in that: said frame roof is provided with column, and said column is threaded with said support column.
4. battery system as claimed in claim 1 is characterized in that: said battery management circuit board is provided with the battery management control assembly, is used for monitoring cell voltage, electric current and temperature.
5. battery system as claimed in claim 2 is characterized in that: this system also comprises the radiator that is arranged between battery management circuit board and the lid, and said radiator is connected with the battery management circuit board through fixed leg.
6. battery system as claimed in claim 5 is characterized in that: said support column is longer than said fixed leg.
7. battery system as claimed in claim 5 is characterized in that: this system also comprises the cell balancing circuit plate that is arranged between battery management circuit board and the radiator, and it has the battery equilibrium control assembly and dissipates into heat energy to be used for the controlling unnecessary electric energy of battery.
8. battery system as claimed in claim 7 is characterized in that: said radiator comprises sheet metal, and punching press is formed with protuberance on the said sheet metal, and in protuberance, defines the accommodating area territory, and said cell balancing circuit plate is contained in said accommodating in the zone.
9. battery system as claimed in claim 8 is characterized in that: said lid is provided with the opening of the protuberance that is used to accommodate said radiator.
10. battery system as claimed in claim 4 is characterized in that: said battery management control assembly comprises electronic switch, and said battery management control assembly also is used for realizing the protection to battery through the break-make of control electronic switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103951630A CN102522510A (en) | 2011-12-02 | 2011-12-02 | Battery system |
| US13/362,984 US20130143079A1 (en) | 2011-12-02 | 2012-01-31 | Battery system with heat-dissipation improvement and connecting circuit arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103951630A CN102522510A (en) | 2011-12-02 | 2011-12-02 | Battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102522510A true CN102522510A (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103951630A Pending CN102522510A (en) | 2011-12-02 | 2011-12-02 | Battery system |
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| Country | Link |
|---|---|
| CN (1) | CN102522510A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107871834A (en) * | 2017-11-06 | 2018-04-03 | 立峰集团有限公司 | A kind of splicing construction of Modularized lithium battery |
| CN108780972A (en) * | 2016-02-29 | 2018-11-09 | 深圳市大疆创新科技有限公司 | Electric connector |
| WO2020098764A1 (en) * | 2018-11-15 | 2020-05-22 | 宁德时代新能源科技股份有限公司 | Battery monitoring unit, fabrication method for battery monitoring unit, and battery pack |
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| CN200976359Y (en) * | 2006-11-30 | 2007-11-14 | 浙江东冠瑞宝科技有限公司 | Device for enhancing electric vehicle lithium battery utility safety performance |
| CN201160085Y (en) * | 2007-12-11 | 2008-12-03 | 天津力神电池股份有限公司 | Large-scale lithium ion power battery pack |
| CN202363556U (en) * | 2011-12-02 | 2012-08-01 | 苏州冠硕新能源有限公司 | Battery system |
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Patent Citations (3)
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| CN200976359Y (en) * | 2006-11-30 | 2007-11-14 | 浙江东冠瑞宝科技有限公司 | Device for enhancing electric vehicle lithium battery utility safety performance |
| CN201160085Y (en) * | 2007-12-11 | 2008-12-03 | 天津力神电池股份有限公司 | Large-scale lithium ion power battery pack |
| CN202363556U (en) * | 2011-12-02 | 2012-08-01 | 苏州冠硕新能源有限公司 | Battery system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108780972A (en) * | 2016-02-29 | 2018-11-09 | 深圳市大疆创新科技有限公司 | Electric connector |
| CN108780972B (en) * | 2016-02-29 | 2020-12-04 | 深圳市大疆创新科技有限公司 | Electrical connector |
| US11040677B2 (en) | 2016-02-29 | 2021-06-22 | SZ DJI Technology Co., Ltd. | Electrical connector |
| US11807177B2 (en) | 2016-02-29 | 2023-11-07 | SZ DJI Technology Co., Ltd. | Electrical connector |
| CN107871834A (en) * | 2017-11-06 | 2018-04-03 | 立峰集团有限公司 | A kind of splicing construction of Modularized lithium battery |
| CN107871834B (en) * | 2017-11-06 | 2023-07-04 | 立峰集团有限公司 | Splicing structure of modularized lithium battery |
| WO2020098764A1 (en) * | 2018-11-15 | 2020-05-22 | 宁德时代新能源科技股份有限公司 | Battery monitoring unit, fabrication method for battery monitoring unit, and battery pack |
| US11050109B2 (en) | 2018-11-15 | 2021-06-29 | Contemporary Amperex Technology Co., Limited | Cell supervision circuit and battery pack |
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Application publication date: 20120627 |