CN103985832A - Lithium iron phosphate battery pack used for outdoor photoflash lamps - Google Patents
Lithium iron phosphate battery pack used for outdoor photoflash lamps Download PDFInfo
- Publication number
- CN103985832A CN103985832A CN201410191330.3A CN201410191330A CN103985832A CN 103985832 A CN103985832 A CN 103985832A CN 201410191330 A CN201410191330 A CN 201410191330A CN 103985832 A CN103985832 A CN 103985832A
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- CN
- China
- Prior art keywords
- ferric phosphate
- phosphate lithium
- lithium cell
- iron phosphate
- lithium iron
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium iron phosphate battery pack used for outdoor photoflash lamps. The lithium iron phosphate battery pack comprises a shell, a pedestal corresponding to the shell, a guard plate, an electric quantity display panel and a lithium iron phosphate battery module, the pedestal is provided with a support frame, the lithium iron phosphate battery module comprises eight lithium iron phosphate battery parallel groups, the lithium iron phosphate battery parallel groups are connected in series, each of the lithium iron phosphate battery parallel groups comprises two parallel-connected monomer lithium iron phosphate batteries, and the monomer lithium iron phosphate batteries are electrically connected with a short connection piece; the lithium iron phosphate battery module is fixed on the support frame, and an insulation plate is arranged between the lithium iron phosphate battery module and the support plate; the guard plate is arranged between the pedestal and the lithium iron phosphate battery modules, the guard plate is provided with an mos tube, and the mos tube is connected with the negative electrode of the lithium iron phosphate battery module in series; the electric quantity display panel is arranged at the upper portion of the pedestal, is provided with an LED display lamp, and is electrically connected with the lithium iron phosphate battery modules; and the shell is arranged at the top of the pedestal.
Description
Technical field
The present invention relates to the battery pack of taking for field, be specifically related to a kind of ferric phosphate lithium cell group for outdoor photoflash.
Background technology
The storage battery taken for field is now general, and what adopt is maintenance-free lead accumulator group, and maintenance-free lead accumulator group has the features such as shatter-proof, high temperature resistant, but its volume is large, too heavy, discharge-rate is little; And along with the reinforcement of people's environmental consciousness in recent years, the lead using for lead-acid batteries and the processing of sulfuric acid become more and more thorny.Ferric phosphate lithium cell group is pollution-free, and the feature of environmental protection adopts ferric phosphate lithium cell group to replace maintenance-free lead accumulator group, and the storage battery as taking for field, just becomes following trend of the times.
In the situation that meet same power supply, the weight of the weight ratio ferric phosphate lithium cell group of maintenance-free lead accumulator group is large, therefore under the same prerequisite of carrying weight, the storage battery that increasing people selects ferric phosphate lithium cell group to take as field, but ferric phosphate lithium cell group is when heavy-current discharge, can cause damage to self, lead-acid batteries is not suitable for being used in the fields such as field shooting that need steady electric discharge.
Publication No. is CN102820486A, date of publication is in the Chinese patent application on December 12nd, 2012, a kind of ferric phosphate lithium cell group mould of heavy-current discharge technology has been proposed, this ferric phosphate lithium cell group mould connects ferric phosphate lithium cell group by high-current relay, realize the series connection of more piece cell, and can stablize alternative lead-acid battery group.More outstanding, at the heavy-current discharge technical elements of serial lithium battery group, obtain fruitful result, discharge-rate is up to 80C, and high energy reaches 150C.To promote greatly single lithium battery through in groups, be widely used in every field, wherein the size of high-current relay is larger, cause the volume of ferric phosphate lithium cell group mould larger, therefore it is little to be badly in need of now a kind of volume, quality is light, the ferric phosphate lithium cell group for outdoor photoflash of instantaneous large-current pulsed discharge.
Summary of the invention
For solving the problems of the technologies described above, we have proposed a kind of ferric phosphate lithium cell group for outdoor photoflash, its object: instantaneous large-current pulsed discharge, volume is little, lightweight.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of ferric phosphate lithium cell group for outdoor photoflash, comprise shell, with the corresponding pedestal of shell, baffle, electric quantity display plate and ferric phosphate lithium cell module, pedestal is provided with bracing frame, ferric phosphate lithium cell module comprises eight ferric phosphate lithium cells joint group, it between ferric phosphate lithium cell joint group, is series connection, ferric phosphate lithium cell joint group comprise the monomer ferric phosphate lithium cell that two joints are connected in parallel, and monomer ferric phosphate lithium cell is electrically connected to by short circuit sheet;
Ferric phosphate lithium cell module is fixed on bracing frame, between ferric phosphate lithium cell module and bracing frame, is provided with insulation board;
Baffle is arranged between pedestal and ferric phosphate lithium cell module, and baffle is provided with mos pipe, and mos pipe is connected with the negative pole of ferric phosphate lithium cell module;
Electric quantity display plate is arranged on the top of pedestal, and electric quantity display plate is provided with LED display lamp, and electric quantity display plate joins with positive pole and the mos pipe string of ferric phosphate lithium cell module respectively;
Shell is arranged on the top of pedestal.
Preferably, the material of shell is that the material of aluminium and short circuit sheet is nickel.
By technique scheme, between the monomer ferric phosphate lithium cell in the present invention, by nickel short circuit sheet processed, be electrically connected to, the weight of whole ferric phosphate lithium cell group is reduced; Mos pipe is connected with the negative pole of ferric phosphate lithium cell module, and electric quantity display plate joins with positive pole and the mos pipe string of ferric phosphate lithium cell module respectively, does not need the relay that volume is larger, makes the volume of this ferric phosphate lithium cell group less; The features such as the present invention makes full use of the born advantage of LiFePO4, has environmental protection, and volume is less, and weight is lighter, and cycle life is longer, and self-discharge rate is lower, wherein baffle has overcurrent protection, short-circuit protection, charging control waits functional unit; Electric quantity display plate can clearly reflect the contained electric weight of ferric phosphate lithium cell module, and baffle and electric quantity display plate can guarantee that safety, stable realization are steadily discharged and this topmost function of charging.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of a kind of ferric phosphate lithium cell group for outdoor photoflash disclosed in this invention;
Fig. 2 is the constant current principle schematic of a kind of ferric phosphate lithium cell group for outdoor photoflash disclosed in this invention;
Fig. 3 is that rectification, the anti-mistake of a kind of ferric phosphate lithium cell group for outdoor photoflash disclosed in this invention put and anti-overshoot principle schematic;
Fig. 4 is the discharge flow path figure of a kind of ferric phosphate lithium cell group for outdoor photoflash disclosed in this invention;
Fig. 5 be disclosed in this invention a kind of for outdoor photoflash the charging flow figure of ferric phosphate lithium cell group.
Numeral and the represented corresponding component title of letter in figure:
1. shell 2. pedestal 21. bracing frame 3. baffle 4. electric quantity display plate 41.LED display lamp 6. ferric phosphate lithium cell module 7. insulation boards
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with schematic diagram, the specific embodiment of the present invention is described in further detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of ferric phosphate lithium cell group for outdoor photoflash, comprise shell 1, with the corresponding pedestal 2 of shell 1, baffle 3, electric quantity display plate 4 and ferric phosphate lithium cell module 6, pedestal 2 is provided with bracing frame 21, ferric phosphate lithium cell module 6 comprises eight ferric phosphate lithium cells joint group, it between ferric phosphate lithium cell joint group, is series connection, ferric phosphate lithium cell joint group comprise the monomer ferric phosphate lithium cell that two joints are connected in parallel, monomer ferric phosphate lithium cell is electrically connected to by short circuit sheet, wherein monomer ferric phosphate lithium cell is the ferric phosphate lithium cell of 26650 models, the data of monomer ferric phosphate lithium cell are as follows:
The nominal voltage of monomer ferric phosphate lithium cell is 3.6V, and nominal capacity is 2.5Ah, and minimum capacity is 2.4Ah, AC internal Resistance is 6m Ω, the cut-ff voltage of charge condition is 3.9V, and discharge cut-off voltage is 2.0V, and maximum continuous discharge electric current is 50A, maximum impulse discharging current is 120A, working temperature is-30 ℃～55 ℃, and storage temperature is-40 ℃～60 ℃, and battery weight is 76g, diameter is 26mm, is highly 65mm; Standard charging method is to be the 1h that charges in 2.5A and the voltage constant pressure and flow circuit that is 3.6V at electric current, and fast charge method, for being the 12min that charges in 10A and the voltage constant-current circuit that is 3.6V at electric current, recycles number of times and is greater than 1000 times.
Ferric phosphate lithium cell module 6 is fixed on bracing frame 21, between ferric phosphate lithium cell module 6 and bracing frame 21, is provided with insulation board 7, has prevented that ferric phosphate lithium cell module 6 from leaking electricity in advance.
Baffle 3 is arranged between pedestal 2 and ferric phosphate lithium cell module 6, and baffle 3 is provided with mos pipe, and mos pipe is connected with the negative pole of ferric phosphate lithium cell module 6; Baffle 3 has overcurrent protection, short-circuit protection, and charging control waits functional unit, has guaranteed the situation of this ferric phosphate lithium cell group instantaneous large-current pulse current charge electric discharge normally, and by the output current of this ferric phosphate lithium cell group of mos management and control system.
Electric quantity display plate 4 is arranged on the top of pedestal 2, and electric quantity display plate 4 is provided with LED display lamp 41, and electric quantity display plate 4 joins with positive pole and the mos pipe string of ferric phosphate lithium cell module 6 respectively; Can in time the electric weight situation of monomer ferric phosphate lithium cell be reflected.
Shell 1 is arranged on the top of pedestal 2, has prevented that dust from penetrating in this ferric phosphate lithium cell group.
The material of shell 1 is that the material of aluminium and short circuit sheet is nickel, has reduced the total weight of this ferric phosphate lithium cell group.
As shown in Figure 4, the discharge process of this ferric phosphate lithium cell group is as follows:
Step 1, startup, baffle 3 judges that the voltage of ferric phosphate lithium cell module 6, whether lower than 17.0V, if so, jumps to step 12, if not, jumps to step 2;
Step 2, baffle 3 judge that whether the voltage of each monomer ferric phosphate lithium cell is lower than 2.0V, and if so, the monomer ferric phosphate lithium cell lower than 2.0V jumps to step 11, if not, jumps to step 3;
Step 3, baffle 3 judge the short-circuit condition that whether is in of ferric phosphate lithium cell module 6, if so, jump to step 12, if not, jump to step 4;
Step 4, baffle 3 judge that the discharging current of ferric phosphate lithium cell module 6, whether higher than 120A, if so, jumps to step 12, if not, jump to step 5;
Step 5, baffle 3 judge that the discharging current of ferric phosphate lithium cell module 6, whether lower than 60A, if so, jumps to step 12, if not, jump to step 6;
It is effectively qualified that step 6, baffle 3 judge whether all connections are, and if so, jumps to step 7, if not, jumps to step 12;
Step 7, baffle 3 automatically output connect conducting order, and this ferric phosphate lithium cell group starts external electric discharge, and baffle 3 carries out step 2, step 8 and step 9 simultaneously;
Step 8, baffle 3 judge that the discharging current of ferric phosphate lithium cell module 6, whether lower than set point, if so, jumps to step 1, if not, jump to step 7;
Step 9, baffle 3 judge that the voltage of each monomer ferric phosphate lithium cell, whether lower than set point, if so, jumps to step 1, if not, jump to step 7;
Step 10, baffle 3 record whole detection data;
Step 11, lower than the monomer ferric phosphate lithium cell of 2.0V, stop electric discharge, the monomer ferric phosphate lithium cell by other higher than 2.3V charges to it;
Step 12, ferric phosphate lithium cell module 6 stop electric discharge.
As shown in Figure 5, the charging process of this ferric phosphate lithium cell group is as follows:
Steps A, startup, baffle 3 judges that the voltage of ferric phosphate lithium cell module 6, whether higher than 25.6V, if so, jumps to step F, if not, jumps to step B;
Step B, baffle 3 judge that whether the voltage of each monomer ferric phosphate lithium cell is higher than 3.9V, and if so, the monomer ferric phosphate lithium cell higher than 3.9V jumps to step e, if not, jumps to step C;
Step C, this ferric phosphate lithium cell group start charging, and baffle 3 carries out step B, step D simultaneously;
Step D, baffle 3 judge that the charging current of ferric phosphate lithium cell module 6, whether lower than 10A, if so, jumps to step F, if not, jump to step C;
Step e, higher than the monomer ferric phosphate lithium cell of 3.9V, stop charging, it is to other chargings of monomer ferric phosphate lithium cells lower than 3.8V;
Step F, this ferric phosphate lithium cell group stop charging.
Be exactly more than a kind of design feature and charging and discharging process of the ferric phosphate lithium cell group for outdoor photoflash, its advantage: simple and practical, easy to use; The pulsed discharge of energy instantaneous large-current, volume is little, lightweight.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (2)
1. the ferric phosphate lithium cell group for outdoor photoflash, it is characterized in that, comprise shell (1), with the corresponding pedestal (2) of shell (1), baffle (3), electric quantity display plate (4) and ferric phosphate lithium cell module (6), pedestal (2) is provided with bracing frame (21), ferric phosphate lithium cell module (6) comprises eight ferric phosphate lithium cells joint group, it between ferric phosphate lithium cell joint group, is series connection, ferric phosphate lithium cell joint group comprise the monomer ferric phosphate lithium cell that two joints are connected in parallel, and monomer ferric phosphate lithium cell is electrically connected to by short circuit sheet;
It is upper that ferric phosphate lithium cell module (6) is fixed on bracing frame (21), between ferric phosphate lithium cell module (6) and bracing frame (21), is provided with insulation board (7);
Baffle (3) is arranged between pedestal (2) and ferric phosphate lithium cell module (6), and baffle (3) is provided with mos pipe, and mos pipe is connected with the negative pole of ferric phosphate lithium cell module (6);
Electric quantity display plate (4) is arranged on the top of pedestal (2), and electric quantity display plate (4) is provided with LED display lamp (41), and electric quantity display plate (4) joins with positive pole and the mos pipe string of ferric phosphate lithium cell module respectively;
Shell (1) is arranged on the top of pedestal (2).
2. a kind of ferric phosphate lithium cell group for outdoor photoflash according to claim 1, is characterized in that, the material of shell (1) is that the material of aluminium and short circuit sheet is nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191330.3A CN103985832A (en) | 2014-05-08 | 2014-05-08 | Lithium iron phosphate battery pack used for outdoor photoflash lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191330.3A CN103985832A (en) | 2014-05-08 | 2014-05-08 | Lithium iron phosphate battery pack used for outdoor photoflash lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103985832A true CN103985832A (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410191330.3A Pending CN103985832A (en) | 2014-05-08 | 2014-05-08 | Lithium iron phosphate battery pack used for outdoor photoflash lamps |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210118621A1 (en) * | 2019-10-18 | 2021-04-22 | Advanced Technology Applications Group Inc. | Modular integrated stored power systems including a stored energy module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050068459A1 (en) * | 2004-03-19 | 2005-03-31 | Fred Holmes | Voltage adapter for a battery-powered camera system |
| CN101442204A (en) * | 2008-09-28 | 2009-05-27 | 广州丰江电池新技术有限公司 | Protection method for multi-string ferric phosphate lithium ion battery |
| CN101830269A (en) * | 2010-03-30 | 2010-09-15 | 吕成学 | Built-in lithium battery and protection board of built-in electric motor of electric bicycle |
| CN202159216U (en) * | 2011-08-16 | 2012-03-07 | 阙国雨 | Universal power supply built-in flash lamp for indoor and outdoor use |
| CN102820486A (en) * | 2012-06-28 | 2012-12-12 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery module with heavy load discharge technology |
-
2014
- 2014-05-08 CN CN201410191330.3A patent/CN103985832A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050068459A1 (en) * | 2004-03-19 | 2005-03-31 | Fred Holmes | Voltage adapter for a battery-powered camera system |
| CN101442204A (en) * | 2008-09-28 | 2009-05-27 | 广州丰江电池新技术有限公司 | Protection method for multi-string ferric phosphate lithium ion battery |
| CN101830269A (en) * | 2010-03-30 | 2010-09-15 | 吕成学 | Built-in lithium battery and protection board of built-in electric motor of electric bicycle |
| CN202159216U (en) * | 2011-08-16 | 2012-03-07 | 阙国雨 | Universal power supply built-in flash lamp for indoor and outdoor use |
| CN102820486A (en) * | 2012-06-28 | 2012-12-12 | 上海广为美线电源电器有限公司 | Lithium iron phosphate battery module with heavy load discharge technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210118621A1 (en) * | 2019-10-18 | 2021-04-22 | Advanced Technology Applications Group Inc. | Modular integrated stored power systems including a stored energy module |
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Application publication date: 20140813 |