CN102881943B - Internal-combustion engine starting power supply - Google Patents
Internal-combustion engine starting power supply Download PDFInfo
- Publication number
- CN102881943B CN102881943B CN201210361365.8A CN201210361365A CN102881943B CN 102881943 B CN102881943 B CN 102881943B CN 201210361365 A CN201210361365 A CN 201210361365A CN 102881943 B CN102881943 B CN 102881943B
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- Prior art keywords
- battery
- shell
- power supply
- combustion engine
- protection module
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to the technical field of batteries, and in particular discloses an internal-combustion engine starting power supply, which comprises a shell, a battery pack arranged in the shell, and positive and negative terminals extending out of the shell. A battery protection module, a conducting strip and a connecting terminal are arranged in the shell; the battery pack consists of not less than four strings of power lithium iron phosphate cells; the battery protection module is electrically connected with the battery pack through the conducting strip; and the battery protection module is connected with single cells through the connecting terminal. The internal-combustion engine starting power supply has high starting efficiency, the energy consumption of a charge and discharge system is low, and aims of saving oil and protecting environment can be fulfilled.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of LiFePO 4 being applied to internal combustion engine and start power supply.
Background technology
Existing most of automobile still adopts lead-acid battery as automobile starting power supply, and lead-acid battery is the battery made as main raw material(s) with a kind of high pollution and the virose metallic lead of tool.Lead-acid battery have cycle life low (about 300-500 time), seriously polluted, need to safeguard, efficiency for charge-discharge is low and self discharge is high shortcoming, battery installs on internal combustion engine that some months do not use will power shortage, cause internal combustion engine to start, thus need battery taken off benefit electricity or more renew battery.
As everyone knows, lithium battery is in energy density, specific energy, memory effect, charge and discharge circulation life and environmental protection etc., all there is the unrivaled advantage of other battery, the portable product that application lithium battery is made, lightweight, volume is little, long service life, particularly environment is not polluted, therefore receive the extensive attention of people.Ferrous phosphate lithium battery is as a kind of novel environment friendly, and electrokinetic cell that is efficient, energy heavy-current discharge instantaneously, the performance of its uniqueness is accepted by market gradually, and increasing automobile brings into use ferrous phosphate lithium battery as startup battery.
Use ferrous phosphate lithium battery as startup power supply, need to solve lithium battery high power density electric discharge problem, and over-charge of lithium battery electricity, overdischarge and balanced management problem.The internal combustion engine of a 2.5kW needs to provide 12V current peak close to 1000A within the time of the 1S ~ 2S started, and existing lithium battery management system then cannot meet its demand.
Summary of the invention
The object of the invention is to, propose a kind of internal combustion engine start power supply, it has higher starting efficiency, and charge-discharge system energy ezpenditure is lower, can reach the object of fuel-economizing and environmental protection.
For achieving the above object, the invention provides a kind of internal combustion engine start power supply, it comprises: shell, be located at the battery pack in shell and stretch out in shell arrange positive negative terminal, be also provided with battery protection module, conducting strip and splicing ear in described shell; Described battery pack is made up of the power-type ferrous phosphate lithium cell being no less than four strings, and battery protection module is electrically connected by conducting strip and this battery pack, and this battery protection module is also connected with single battery core by splicing ear.
Wherein, described shell comprises upper casing and lower casing, and this upper and lower shell adopts ABS, PC or PP fire proofing material injection molded.
Can be fixed by ultra-sonic welded, hot plate welding or screw between described upper and lower shell.
Positive negative terminal of the present invention is embedded in upper casing by injection moulding, and this positive negative terminal one end stretches out in upper casing and arranges, and its other end to be located in shell and to be connected with the both positive and negative polarity of battery pack respectively.
Further, described shell is respectively equipped with a positive and negative electrode mark with positive negative terminal corresponding section, this positive and negative electrode mark adopts the pouring of the epoxide resin material of different colours to form.
In the present invention, described conducting strip is provided with the overload protective device preventing battery current overload second protection.
Moreover; include control chip, the data acquisition interface be electrically connected with this control chip respectively, switch element, current selected switch, Timing element in battery protection module of the present invention and balance control module; data acquisition interface Real-time Collection battery core voltage; control chip is according to the voltage of current battery core; by control switch element, current selected switch, Timing element and balance control module, to carry out charge and discharge balancing management to battery pack.
Concrete, described control chip comprises IC chip or MCU, and this control chip can adopt battery protection ic chip or the MCU of NSK or U.S. upper U.S..
In addition, described IC chip or MCU are electrically connected with a time regulating element, two groups of switch elements and a current selected switch respectively, are electrically connected after this Timing element, two groups of switch elements and current selected switch are electrically connected by a current sense resistor and power supply output negative pole end.
Described Timing element can be a variable capacitance; a discharge switch and a charge switch of connection parallel with one another is comprised in two groups of switch elements; battery protection module is by current selected switch to regulate the size of current allowing to pass through, and battery protection module passes through this Timing element to regulate the safe overload time allowed.
Internal combustion engine start power supply of the present invention, it uses LiFePO 4 high power long-life battery core in conjunction with battery protection module, cycle life circulation more than 3000 times, the electric current that sparks of its battery can reach more than 100C, battery efficiency reaches more than 98%, and battery understands the problem that automatic closedown does not exist floating charge power consumption after being full of electricity; In addition, its battery has better thermal adaptability and about 3% self-discharge rate monthly, can ensure that battery has higher starting efficiency and the lower energy ezpenditure of charge-discharge system, thus reach the object of fuel-economizing and environmental protection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the external structure schematic diagram of a kind of specific embodiment of internal combustion engine start power supply of the present invention;
Fig. 2 is the partial schematic sectional view of a kind of specific embodiment of internal combustion engine start power supply in Fig. 1;
Fig. 3 is the internal structure schematic diagram of a kind of specific embodiment of internal combustion engine start power supply of the present invention;
Fig. 4 is the circuit theory schematic diagram of a kind of specific embodiment of internal combustion engine start power supply of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Figure 1-3, the invention provides a kind of internal combustion engine start power supply, it comprises: shell 10, be located at the battery pack 20 in shell 10 and stretch out in shell 10 arrange positive negative terminal 30,40, be also provided with battery protection module 50, conducting strip 52 and splicing ear 54 in described shell 10; Described battery pack 20 is made up of the power-type ferrous phosphate lithium cell being no less than four strings, and battery protection module 50 is electrically connected by conducting strip 52 and this battery pack 20, and this battery protection module 50 is also connected with single battery core by splicing ear 54.The present invention uses LiFePO 4 high power long-life battery core; in conjunction with battery protection module 50; there is the cycle life more than 3000 times; and battery protection module 50 have prevent battery over-discharge, overcharge, short-circuit protection, Limited Current regulate and time regulation function; make the internal combustion engine start power supply of the present invention electric current that sparks to reach more than 100C, battery efficiency can reach more than 98%.
In the present invention, described shell 10 comprises upper casing 12 and lower casing 14, and this upper and lower shell 12,14 all can adopt the fire proofing materials such as acrylic nitrile-butadiene-styrene copolymer (ABS), Merlon (PC) or polypropylene (PP) injection molded.As selectivity embodiment of the present invention, can be fixed by ultra-sonic welded, hot plate welding or screw between this upper and lower shell 12,14.This shell 10 set-up mode of the present invention, not only structure is comparatively firm, and has heat dispersion of preferably preventing fires, and can reduce potential safety hazard when battery uses to a certain extent, improve security performance.
Positive negative terminal 30,40 of the present invention is embedded in upper casing 12 by injection moulding, and this positive negative terminal 30,40 one end stretches out in upper casing 12 and arranges, and its other end to be located in shell 12 and to be connected with the both positive and negative polarity of battery pack 20 respectively.Further, shell 10 of the present invention is respectively equipped with a positive and negative electrode mark 32,42 with positive negative terminal 30,40 corresponding section, this positive and negative electrode mark 32,42 adopts the pouring of the epoxide resin material of different colours to form.As a kind of selectivity embodiment of the present invention; described positive pole mark 32 can adopt red epoxy resin; negative pole mark 42 can adopt blue epoxy resin pouring clearly to distinguish; positive negative terminal 30,40 effectively can be avoided like this to connect anti-situation occur, can play a protective role to battery to a certain extent.
Especially, the conducting strip 52 in the present invention is provided with the overload protective device (not shown) preventing battery current overload second protection.The setting of this overload protective device, makes conducting strip 52 have to prevent battery current from transshipping the function of second protection, thus can play certain protective effect to battery pack 20.
As shown in Figure 4; include control chip, the data acquisition interface be electrically connected with this control chip respectively, switch element (not shown), current selected switch 55, Timing element 56 in battery protection module 50 of the present invention and balance control module (not shown); data acquisition interface Real-time Collection battery core 57 voltage; control chip is according to the voltage of current battery core 57; by control switch element, current selected switch 55, Timing element 56 and balance control module, to carry out charge and discharge protecting and balanced management to battery pack 20.In the specific embodiment of the invention; four string power-type ferrous phosphate lithium cells 57 are comprised in described battery pack 20; this battery protection module 50 is connected with single battery core 57 by splicing ear 54; thus balanced management is carried out to the charge and discharge of each battery core 57 in battery pack 20; not only can ensure the efficient startup of internal combustion engine; and the useful life of this internal combustion engine start power supply can be extended; solve safety problem when using; automatically can close after battery is full of electricity, there is not the problem of floating charge power consumption.In the present invention, described control chip comprises IC chip or MCU58, and this control chip can adopt battery protection ic chip or the MCU of NSK or U.S. upper U.S..As a kind of preferred embodiment of the present invention, this control chip can select the battery protection ic chip that the S-8211 of NSK is serial or S-8204 is serial, and its reaction precision is higher.Wherein, described switch element can comprise multiple metal-oxide-semiconductor and/or relay, and the plurality of metal-oxide-semiconductor and/or relay are in parallel or be connected in series.As specific embodiments of the invention; this switch element can the preferably metal-oxide-semiconductor of high power density and relay; such as can select the switch element of 0 ~ 100kW; the switch element of this 0 ~ 100kW high power density coordinates the radiating module (not shown) be located on battery protection module 50; in the short time that can ensure internal combustion engine start (10mS-10S) switch element can not Yin Wendu too high and burn, the useful life of battery pack 20 can be extended to a great extent.Because the present invention is according to feature during internal combustion engine start; use the control chip of high accuracy reaction, low resistance high power switch element and radiating module; this battery protection module 50 can be made can to bear the high power density of about about 5 seconds, ensure that internal combustion engine efficiently starts.
Further; IC chip in battery protection module 50 of the present invention or MCU58 are electrically connected with a time regulating element 56, two groups of switch elements and a current selected switch 55 respectively, are electrically connected after this Timing element 56, two groups of switch elements and current selected switch 55 are electrically connected by a current sense resistor R and negative terminal 40.In the specific embodiment of the invention, described Timing element 56 can be a variable capacitance, comprises a discharge switch Q1 and a charge switch Q2 of connection parallel with one another in two groups of switch elements.Battery protection module 50 can regulate the size of current allowing to pass through by current selected switch 55, battery protection module 50 can regulate the safe overload time of permission by this Timing element 56.As shown in table 1 below, be the startup battery of prior art and the deck watch of the various performance of internal combustion engine start power supply of the present invention:
Table 1
In sum, internal combustion engine start power supply of the present invention, it uses LiFePO 4 high power long-life battery core, cycle life circulation more than 3000 times, it is by the connection of battery protection module 50 with single battery core 57, have and prevent electric current overdischarge, overcharge, short-circuit protection, the function of Limited Current adjustment and Timing, this internal combustion engine start power supply is made to have higher starting efficiency, its efficiency for charge-discharge can reach more than 98%, and battery understands the problem that automatic closedown does not exist floating charge power consumption after being full of electricity, thus reduce the energy ezpenditure of charge-discharge system, thus arrive the object of fuel-economizing and environmental protection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an internal combustion engine start power supply, comprising: shell, be located at the battery pack in shell and stretch out in shell arrange positive negative terminal, it is characterized in that, in described shell, be also provided with battery protection module, conducting strip and splicing ear, described battery pack is made up of the power-type ferrous phosphate lithium cell being no less than four strings, and battery protection module is electrically connected by conducting strip and this battery pack, and this battery protection module is also connected with single battery core by splicing ear, include control chip, the data acquisition interface be electrically connected with this control chip respectively, switch element, current selected switch, Timing element in described battery protection module and balance control module, data acquisition interface Real-time Collection battery core voltage, control chip is according to the voltage of current battery core, by control switch element, current selected switch, Timing element and balance control module, to carry out charge and discharge protecting and balanced management to battery pack, described control chip comprises IC chip or MCU, this control chip adopts battery protection ic chip or the MCU of NSK or U.S. upper U.S., this IC chip or MCU respectively with a time regulating element, two groups of switch elements and a current selected switch are electrically connected, this Timing element, be electrically connected by a current sense resistor and power supply output negative pole end after two groups of switch elements and current selected switch are electrically connected, the size of current that battery protection module is passed through to regulate permission by current selected switch, battery protection module passes through this Timing element to regulate the safe overload time allowed.
2. internal combustion engine start power supply as claimed in claim 1, it is characterized in that, described shell comprises upper casing and lower casing, and this upper and lower shell adopts ABS, PC or PP fire proofing material injection molded.
3. internal combustion engine start power supply as claimed in claim 2, be is characterized in that, fixed between described upper and lower shell by ultra-sonic welded, hot plate welding or screw.
4. internal combustion engine start power supply as claimed in claim 2, is characterized in that, described positive negative terminal embeds in upper casing by injection moulding, and this positive negative terminal one end stretches out in upper casing and arranges, and its other end to be located in shell and to be connected with the both positive and negative polarity of battery pack respectively.
5. internal combustion engine start power supply as claimed in claim 4, is characterized in that, described shell is respectively equipped with a positive and negative electrode mark with positive negative terminal corresponding section, and this positive and negative electrode mark adopts the pouring of the epoxide resin material of different colours to form.
6. internal combustion engine start power supply as claimed in claim 1, is characterized in that, described conducting strip is provided with the overload protective device preventing battery current overload second protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210361365.8A CN102881943B (en) | 2012-09-25 | 2012-09-25 | Internal-combustion engine starting power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210361365.8A CN102881943B (en) | 2012-09-25 | 2012-09-25 | Internal-combustion engine starting power supply |
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| Publication Number | Publication Date |
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| CN102881943A CN102881943A (en) | 2013-01-16 |
| CN102881943B true CN102881943B (en) | 2015-05-06 |
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| CN201210361365.8A Expired - Fee Related CN102881943B (en) | 2012-09-25 | 2012-09-25 | Internal-combustion engine starting power supply |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618351B (en) * | 2013-11-27 | 2016-01-20 | 无锡富洪科技有限公司 | Internal combustion engine is with starting power supply |
| CN103682520A (en) * | 2013-12-27 | 2014-03-26 | 深圳市格瑞普电池有限公司 | Power supply applicable to ignition starting of vehicle |
| CN107453332A (en) * | 2017-09-19 | 2017-12-08 | 欣旺达电子股份有限公司 | Battery protecting circuit and battery protecting plate |
| CN108462220A (en) * | 2018-02-01 | 2018-08-28 | 深圳市艾丽声电子有限公司 | Multiple protective diesel engine starting power supply and guard method |
| CN113258199B (en) * | 2021-03-24 | 2023-07-18 | 安徽理士新能源发展有限公司 | Motorcycle start-stop battery lithium battery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100943576B1 (en) * | 2007-10-30 | 2010-02-23 | 삼성에스디아이 주식회사 | Battery pack |
| CN201393058Y (en) * | 2009-02-13 | 2010-01-27 | 上海长园维安电子线路保护股份有限公司 | Charge-discharge equalizing protection module of rechargeable battery pack |
| CN101887991A (en) * | 2010-07-07 | 2010-11-17 | 海霸能源有限公司 | Automobile starting power supply using lithium iron phosphate battery |
| CN102208696A (en) * | 2011-04-28 | 2011-10-05 | 常州格力博工具有限公司 | High-capacity lithium battery pack |
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Effective date of registration: 20160308 Address after: Bridge Industrial Park 400085 Dadukou District of Chongqing Road Bridge No. 10 Patentee after: Chongqing Te Rui battery material limited company Address before: Road Bridge Bridge Industrial Park 400084 Chongqing Dadukou District No. 10 Patentee before: Chongqing Yongtong Information Engineering Industrial Co., Ltd. |
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Granted publication date: 20150506 Termination date: 20200925 |
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