CN102881943A - Internal-combustion engine starting power supply - Google Patents
Internal-combustion engine starting power supply Download PDFInfo
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- CN102881943A CN102881943A CN2012103613658A CN201210361365A CN102881943A CN 102881943 A CN102881943 A CN 102881943A CN 2012103613658 A CN2012103613658 A CN 2012103613658A CN 201210361365 A CN201210361365 A CN 201210361365A CN 102881943 A CN102881943 A CN 102881943A
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- power supply
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- battery
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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 the battery technology field, relate in particular to a kind of LiFePO 4 that is applied to internal combustion engine and start power supply.
Background technology
Existing most of automobile still adopts lead-acid battery as the automobile starting power supply, and lead-acid battery is the battery of making 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 at internal combustion engine that some months do not use will power shortage, cause internal combustion engine to start, mend electricity or more renew battery thereby battery need to be taken off.
As everyone knows, lithium battery is at aspects such as energy density, specific energy, memory effect, charge and discharge circulation life and environmental protection, the unrivaled advantage of other battery is all arranged, use the portable product that lithium battery is made, lightweight, volume is little, long service life, particularly environment is not polluted, therefore be subject to people's extensive attention.Ferrous phosphate lithium battery is as a kind of novel environment friendly, the electrokinetic cell that efficient, moment can heavy-current discharge, and its unique performance is accepted by market gradually, and increasing automobile brings into use ferrous phosphate lithium battery as starting battery.
Use ferrous phosphate lithium battery as starting power supply, need to solve lithium battery high power density discharge problem, and the problem of over-charge of lithium battery electricity, overdischarge and balanced management.The internal combustion engine of a 2.5kW needs to provide the 12V current peak near 1000A within the time of the 1S～2S that starts, and existing lithium battery management system then can't satisfy 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 the consumption of charge-discharge system energy is lower, can reach the purpose 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 the shell and stretch out in the positive negative terminal that shell arranges, also be provided with battery protection module, conducting strip and splicing ear in the described shell; Described battery pack is comprised of the power-type ferrous phosphate lithium cell that is no less than four strings, and battery protection module is electrically connected by conducting strip and this battery pack, and this battery protection module also is connected with single battery core by splicing ear.
Wherein, described shell comprises upper casing and lower casing, and this upper and lower shell employing ABS, PC or PP fire proofing material are injection molded.
Can fix by ultra-sonic welded, hot plate welding or screw between the described upper and lower shell.
Positive negative terminal of the present invention embeds in the upper casing by injection moulding, and this positive negative terminal one end stretches out in the upper casing setting, and its other end is located in the shell and is connected with the both positive and negative polarity of battery pack respectively.
Further, be respectively equipped with a positive and negative electrode sign with positive negative terminal corresponding section on the described shell, this positive and negative electrode sign adopts the epoxide resin material pouring of different colours to form.
Among the present invention, described conducting strip is provided with the overload protective device that prevents battery current overload second protection.
Moreover; the data acquisition interface, switch element, current selected switch, Timing element and the balance control module that include control chip in the battery protection module of the present invention, are electrically connected respectively with this control chip; 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, battery pack is carried out the charge and discharge balancing management.
Concrete, described control chip comprises IC chip or MCU, this control chip can adopt NSK or U.S. beautiful battery protection ic chip or MCU.
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, after this Timing element, two groups of switch elements and current selected switch are electrically connected by a current sense resistor and the electric connection of power supply output negative pole end.
Described Timing element can be a variable capacitance; the discharge switch and the charge switch that comprise connection parallel with one another in two groups of switch elements; battery protection module allows the size of current passed through by current selected switch with adjusting, battery protection module by this Timing element to regulate the safe overload time that allows.
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 surpasses 3000 circulations, the electric current that sparks of its battery can reach more than the 100C, battery efficiency reaches more than 98%, and battery is full of behind the electricity problem that can autoshutdown have the floating charge power consumption; In addition, its battery has better thermal adaptability and about 3% self-discharge rate per month, can guarantee that battery has higher starting efficiency and the lower energy consumption of charge-discharge system, thereby reach the purpose of fuel-economizing and environmental protection.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
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 among 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 invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
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 the shell 10 and stretch out in the positive negative terminal 30,40 that shell 10 arranges, also be provided with battery protection module 50, conducting strip 52 and splicing ear 54 in the described shell 10; Described battery pack 20 is comprised of the power-type ferrous phosphate lithium cell that is 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 also is 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; have and surpass 3000 times cycle life; and battery protection module 50 has the battery over-discharge of preventing, overcharges, short-circuit protection, Limited Current are regulated and the time regulatory function; electric current can reach more than the 100C so that internal combustion engine start power supply of the present invention sparks, and battery efficiency can reach more than 98%.
Among 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 fix by ultra-sonic welded, hot plate welding or screw between this upper and lower shell 12,14.This shell 10 set-up modes of the present invention, not only structure is comparatively firm, and has better fire prevention heat dispersion, and the potential safety hazard in the time of can reducing to a certain extent the battery use improves security performance.
Positive negative terminal 30 of the present invention, 40 embeds in the upper casing 12 by injection moulding, and this positive negative terminal 30,40 1 ends stretch out in upper casing 12 and arrange, and its other end is located in the shell 12 and is connected with the both positive and negative polarity of battery pack 20 respectively.Further, be respectively equipped with a positive and negative electrode sign 32,42 with positive negative terminal 30,40 corresponding sections on the shell 10 of the present invention, this positive and negative electrode sign 32,42 adopts the epoxide resin material pouring of different colours to form.As a kind of selectivity embodiment of the present invention; described anodal sign 32 can adopt red epoxy resin; negative pole sign 42 can adopt blue epoxy resin pouring clearly to distinguish; can effectively avoid so positive negative terminal 30,40 to connect anti-situation and occur, can play a protective role to battery to a certain extent.
Especially, the conducting strip among the present invention 52 is provided with the overload protective device (not shown) that prevents battery current overload second protection.The setting of this overload protective device so that conducting strip 52 has the function that prevents battery current overload second protection, thereby can be played certain protective effect to battery pack 20.
As shown in Figure 4; the data acquisition interface, switch element (not shown), current selected switch 55, Timing element 56 and the balance control module (not shown) that include control chip in the battery protection module 50 of the present invention, are electrically connected respectively with this control chip; data acquisition interface Real-time Collection battery core 57 voltages; 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, so that battery pack 20 is carried out charge and discharge protecting and balanced management.In the specific embodiment of the invention; comprise four string power-type ferrous phosphate lithium cells 57 in the described battery pack 20; this battery protection module 50 is connected with single battery core 57 by splicing ear 54; thereby balanced management is carried out in the charge and discharge to each battery core 57 in the battery pack 20; not only can guarantee the efficient startup of internal combustion engine; and can prolong the useful life of this internal combustion engine start power supply; solve the safety problem when using; after battery is full of electricity, understand autoshutdown, do not have the problem of floating charge power consumption.Among the present invention, described control chip comprises IC chip or MCU58, and this control chip can adopt NSK or U.S. beautiful battery protection ic chip or MCU.As a kind of preferred embodiment of the present invention, this control chip can be selected the battery protection ic chip of S-8211 series or the S-8204 series of NSK, and its reaction precision is higher.Wherein, described switch element can comprise a plurality of metal-oxide-semiconductors and/or relay, and these a plurality of metal-oxide-semiconductors and/or relay are in parallel or be connected in series.As specific embodiments of the invention; this switch element is metal-oxide-semiconductor and the relay of high power density preferably; for example can select the switch element of 0～100kW; the switch element of this 0～100kW high power density cooperates the radiating module (not shown) of being located on the battery protection module 50; interior (10mS-10S) switch element of short time that can guarantee internal combustion engine start can because excess Temperature burns, can not prolong the useful life of battery pack 20 to a great extent.Because the characteristics of the present invention during according to internal combustion engine start; use control chip, low resistance high power switch element and the radiating module of high accuracy reaction; can so that this battery protection module 50 can bear about about 5 seconds high power density, guarantee that internal combustion engine efficiently starts.
Further; IC chip in the 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, 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 electric connections.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 be regulated by current selected switch 55 and allow the size of current passed through, and battery protection module 50 can be regulated 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 performances 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 surpasses 3000 circulations; it is connected by battery protection module 50 and single battery core 57; has the electric current of preventing overdischarge; overcharge; short-circuit protection; the function of Limited Current adjusting and Timing; so that this internal combustion engine start power supply has higher starting efficiency; its efficiency for charge-discharge can reach more than 98%; and battery is understood the problem that there is not the floating charge power consumption in autoshutdown after being full of electricity; thereby reduce the energy consumption of charge-discharge system, thereby arrive the purpose of fuel-economizing and environmental protection.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. internal combustion engine start power supply comprises: shell, be located at the battery pack in the shell and stretch out in the positive negative terminal that shell arranges, it is characterized in that, also be provided with battery protection module, conducting strip and splicing ear in the described shell; Described battery pack is comprised of the power-type ferrous phosphate lithium cell that is no less than four strings, and battery protection module is electrically connected by conducting strip and this battery pack, and this battery protection module also is connected with single battery core by splicing ear.
2. internal combustion engine start power supply as claimed in claim 1 is characterized in that, described shell comprises upper casing and lower casing, and this upper and lower shell employing ABS, PC or PP fire proofing material are injection molded.
3. internal combustion engine start power supply as claimed in claim 1 is characterized in that, fixes by ultra-sonic welded, hot plate welding or screw between the described upper and lower shell.
4. internal combustion engine start power supply as claimed in claim 2 is characterized in that, described positive negative terminal embeds in the upper casing by injection moulding, and this positive negative terminal one end stretches out in the upper casing setting, and its other end is located in the shell and is 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, is respectively equipped with a positive and negative electrode sign with positive negative terminal corresponding section on the described shell, and this positive and negative electrode sign adopts the epoxide resin material pouring 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 that prevents battery current overload second protection.
7. internal combustion engine start power supply as claimed in claim 1; it is characterized in that; the data acquisition interface, switch element, current selected switch, Timing element and the balance control module that include control chip in the described battery protection module, are electrically connected respectively with this control chip; 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, so that battery pack is carried out charge and discharge protecting and balanced management.
8. internal combustion engine start power supply as claimed in claim 7 is characterized in that, described control chip comprises IC chip or MCU, and this control chip adopts NSK or U.S. beautiful battery protection ic chip or MCU.
9. internal combustion engine start power supply as claimed in claim 7, it is characterized in that, described IC chip or MCU are electrically connected with a time regulating element, two groups of switch elements and a current selected switch respectively, after this Timing element, two groups of switch elements and current selected switch are electrically connected by a current sense resistor and the electric connection of power supply output negative pole end.
10. internal combustion engine start power supply as claimed in claim 9; it is characterized in that; described Timing element is a variable capacitance; the discharge switch and the charge switch that comprise connection parallel with one another in two groups of switch elements; battery protection module allows the size of current passed through by current selected switch with adjusting, battery protection module by this Timing element to regulate the safe overload time that allows.
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 true CN102881943A (en) | 2013-01-16 |
| CN102881943B CN102881943B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618351A (en) * | 2013-11-27 | 2014-03-05 | 无锡富洪科技有限公司 | Starting power supply for internal combustion engine |
| 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 |
| CN113258199A (en) * | 2021-03-24 | 2021-08-13 | 安徽理士新能源发展有限公司 | Motorcycle start-stop battery lithium battery |
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| US20090111005A1 (en) * | 2007-10-30 | 2009-04-30 | Jonghwa Hur | 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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2012
- 2012-09-25 CN CN201210361365.8A patent/CN102881943B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090111005A1 (en) * | 2007-10-30 | 2009-04-30 | Jonghwa Hur | 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618351A (en) * | 2013-11-27 | 2014-03-05 | 无锡富洪科技有限公司 | Starting power supply for internal combustion engine |
| 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 |
| CN113258199A (en) * | 2021-03-24 | 2021-08-13 | 安徽理士新能源发展有限公司 | Motorcycle start-stop battery lithium battery |
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| CN102881943B (en) | 2015-05-06 |
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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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