CN201466770U - Novel lithium iron phosphate battery balance charge protecting circuit - Google Patents
Novel lithium iron phosphate battery balance charge protecting circuit Download PDFInfo
- Publication number
- CN201466770U CN201466770U CN2009201319521U CN200920131952U CN201466770U CN 201466770 U CN201466770 U CN 201466770U CN 2009201319521 U CN2009201319521 U CN 2009201319521U CN 200920131952 U CN200920131952 U CN 200920131952U CN 201466770 U CN201466770 U CN 201466770U
- Authority
- CN
- China
- Prior art keywords
- battery
- lithium cell
- ferric phosphate
- phosphate lithium
- equalizing charge
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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 utility model discloses a novel lithium iron phosphate battery balance charge protecting circuit which comprises a power supply end and a rechargeable battery, wherein the rechargeable battery is connected with the power supply end; the rechargeable battery comprises one group or more groups of battery pairs which are connected in series; and each battery pair is formed by connecting two batteries in series. The novel lithium iron phosphate battery balance charge protecting circuit is characterized in that each group of battery pairs is connected in parallel with a battery protecting integrated circuit (IC), and each battery is also connected in parallel with a balance shunt circuit; and the batteries are lithium iron phosphate batteries. Because the rechargeable battery is connected in parallel with the battery protecting IC and the balance shunt circuit, and a switch circuit is arranged between the power supply end and the rechargeable battery, the utility model plays balancing and protecting roles on the charge of the novel lithium iron phosphate battery and also has the characteristics of simple structure and low cost.
Description
Technical field
The utility model relates to a kind of charge protector of battery, refers in particular to a kind of equalizing charge protective circuit that is used for ferric phosphate lithium cell.
Background technology
In the prior art, for the structure and the reduction cost of raw material of simplifying circuit, the serial connection charge mode is adopted in charging at a plurality of batteries, but because each battery there are differences, so the charging saturation time of each battery can not be to arrive simultaneously, and the damage that overcharges battery also is very serious, resembles lithium battery, overcharges to set off an explosion.Patent Office of the People's Republic of China now discloses the multinomial patent documentation relevant with battery equilibrium charging; yet all there is complex structure in the charge protector of these batteries; cost is crossed high defective; a kind of lithium battery---the ferric phosphate lithium cell of up-to-date appearance in addition; have the original cobalt acid lithium battery characteristic different with lithium manganate battery; stability at high temperature can reach 400-500 ℃, has guaranteed the high security of battery inherence, not can because of overcharge, temperature is too high, short circuit, bump produce blast or burning.The requirement of ferric phosphate lithium cell can not have been satisfied by the original as can be known equilibrium charging circuit of these characteristics.
For the extensive use that is fit to ferric phosphate lithium cell is necessary to develop a kind of novel equalizing charge of battery protective circuit.
The utility model content
The purpose of this utility model is to provide a kind of equalizing charge of battery protective circuit of novel suitable ferric phosphate lithium cell for overcoming the deficiencies in the prior art.
Technology contents of the present utility model is: a kind of novel ferric phosphate lithium cell equalizing charge protective circuit, comprise power end and the rechargeable battery that connects with power end, described rechargeable battery comprises that a group or more battery that is cascaded is right, and described battery is to being located at together by two battery strings; It is characterized in that every Battery pack to being parallel with the battery protection integrated circuit, each battery also is parallel with the balance shunt circuit; Described battery is a ferric phosphate lithium cell.
Further technology contents of the present utility model is: described battery is to being two groups.
Further technology contents of the present utility model is: described battery protection integrated circuit is the R5460 cake core.
Further technology contents of the present utility model is: described balance shunt circuit comprises series resistance, shunting triode and the voltage stabilizing chip that is used for pressure measurement.
Further technology contents of the present utility model is: described shunting triode is 8550 types.
Further technology contents of the present utility model is: described voltage stabilizing chip is the TL431 type.
Further technology contents of the present utility model is: described power end and and rechargeable battery between be provided with switching circuit.
Further technology contents of the present utility model is: described switching circuit comprises AOT424 pipe, 3401 pipes and 3402 pipes.
The utility model beneficial effect compared with prior art is: the utility model is provided with battery protection ic and balance shunt circuit because of the rechargeable battery parallel connection; between power end and rechargeable battery, be provided with switching circuit in addition; can play balance and protection to the charging of this novel battery of LiFePO4, have characteristics simple in structure, with low cost simultaneously.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the circuit block diagram of a kind of novel ferric phosphate lithium cell equalizing charge protective circuit specific embodiment of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of novel ferric phosphate lithium cell equalizing charge protective circuit specific embodiment of the utility model.
Description of reference numerals
1 power end, 2 rechargeable batteries
3 battery protection integrated circuits, 4 balance shunt circuits
5 switching circuits, 21 batteries are right
210 batteries
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation, but be not limited to this.
As shown in Figure 1, a kind of novel ferric phosphate lithium cell equalizing charge protective circuit of the utility model, comprise power end 1 and the rechargeable battery 2 that connects with power end 1, rechargeable battery 2 comprises a group or more battery that is cascaded to 21, and battery is located at together by two batteries, 210 strings 21; Every Battery pack is parallel with battery protection integrated circuit 3 to 21, and each battery 210 also is parallel with balance shunt circuit 4; Battery 210 is a ferric phosphate lithium cell.
In the present embodiment, as shown in Figure 2, battery is two groups (i.e. four batteries) to 21, and battery protection integrated circuit 3 is the R5460 cake core.Balance shunt circuit 4 comprises the series resistance that is used for pressure measurement, and (three resistance are cascaded, as R62, R26, R25, R63, R32, R33, R64, R37, R46 and R61, R40, R47), shunting triode and voltage stabilizing chip, the shunting triode is 8550 types, and the voltage stabilizing chip is the TL431 type.Power end 1 and and rechargeable battery 2 between be provided with switching circuit.Switching circuit comprises AOT424 pipe, 3401 pipes and 3402 pipes.
In sum; the utility model is provided with battery protection ic and balance shunt circuit because of the rechargeable battery parallel connection; between power end and rechargeable battery, be provided with switching circuit in addition; can play balance and protection to the charging of this novel battery of LiFePO4, have characteristics simple in structure, with low cost simultaneously.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent execution mode of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (8)
1. a novel ferric phosphate lithium cell equalizing charge protective circuit comprises power end and the rechargeable battery that is connected with power end, and described rechargeable battery comprises that a group or more battery that is cascaded is right, and described battery is to being located at together by two battery strings; It is characterized in that every Battery pack to being parallel with the battery protection integrated circuit, each battery also is parallel with the balance shunt circuit; Described battery is a ferric phosphate lithium cell.
2. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 1 is characterized in that described battery is to being two groups.
3. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 2 is characterized in that described battery protection integrated circuit is the R5460 cake core.
4. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 2 is characterized in that described balance shunt circuit comprises series resistance, shunting triode and the voltage stabilizing chip that is used for pressure measurement.
5. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 4 is characterized in that described shunting triode is 8550 types.
6. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 5 is characterized in that described voltage stabilizing chip is the TL431 type.
7. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 2 is characterized in that being provided with switching circuit between described power end and the rechargeable battery.
8. a kind of novel ferric phosphate lithium cell equalizing charge protective circuit according to claim 7 is characterized in that described switching circuit comprises AOT424 pipe, 3401 pipes and 3402 pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201319521U CN201466770U (en) | 2009-05-22 | 2009-05-22 | Novel lithium iron phosphate battery balance charge protecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201319521U CN201466770U (en) | 2009-05-22 | 2009-05-22 | Novel lithium iron phosphate battery balance charge protecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466770U true CN201466770U (en) | 2010-05-12 |
Family
ID=42394117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201319521U Expired - Lifetime CN201466770U (en) | 2009-05-22 | 2009-05-22 | Novel lithium iron phosphate battery balance charge protecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466770U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005811A (en) * | 2010-12-28 | 2011-04-06 | 广东易事特电源股份有限公司 | Uninterrupted power supply using lithium iron phosphate battery |
| CN102340041A (en) * | 2010-07-16 | 2012-02-01 | 汉达精密电子(昆山)有限公司 | Battery pack |
| US10910847B2 (en) | 2017-12-21 | 2021-02-02 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
| US11876394B2 (en) | 2017-12-21 | 2024-01-16 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
-
2009
- 2009-05-22 CN CN2009201319521U patent/CN201466770U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340041A (en) * | 2010-07-16 | 2012-02-01 | 汉达精密电子(昆山)有限公司 | Battery pack |
| CN102340041B (en) * | 2010-07-16 | 2014-04-16 | 汉达精密电子(昆山)有限公司 | Battery pack |
| CN102005811A (en) * | 2010-12-28 | 2011-04-06 | 广东易事特电源股份有限公司 | Uninterrupted power supply using lithium iron phosphate battery |
| US10910847B2 (en) | 2017-12-21 | 2021-02-02 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
| US11876394B2 (en) | 2017-12-21 | 2024-01-16 | Eric Paul Grasshoff | Active cell balancing in batteries using switch mode dividers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103633695B (en) | A kind of lithium battery group equalization methods of improvement and equalizing circuit thereof | |
| CN105489962A (en) | Recycling method for waste power lithium ion batteries | |
| CN101436774A (en) | Protective system for lithium ion battery | |
| CN201466770U (en) | Novel lithium iron phosphate battery balance charge protecting circuit | |
| CN204334058U (en) | A kind of balancer of serial lithium battery group | |
| CN104201654A (en) | Battery pack balance protecting system and method | |
| CN203688636U (en) | System for detecting voltage of single battery unit of series battery pack | |
| CN102376979B (en) | The lithium-ion-power cell series battery of charging-discharging automatic balancing | |
| CN204407963U (en) | A kind of lithium battery administration module possessing multifunction protection and electric quantity monitoring | |
| CN202111481U (en) | Active equalization system of power lithium ion batteries | |
| CN206272286U (en) | Circuit of battery pack balancing | |
| TW201714341A (en) | Active balanced charging device enables the multiple battery moduels of the secondary battery to be charged in balance through invented loop | |
| CN104966854B (en) | A kind of two wheeler battery pack | |
| CN201904642U (en) | UPS adopting ferric phosphate lithium battery | |
| CN202840490U (en) | Lithium battery protective circuit and device | |
| CN205986208U (en) | Emergency power source with balanced charge control module | |
| CN202564978U (en) | Multi-group lithium battery time-interval based charging system | |
| CN204885340U (en) | Two wheeler group battery | |
| CN102376989B (en) | A kind of lithium-ion-power cell series battery of charging-discharging automatic balancing | |
| CN112152303A (en) | Wide temperature protection device of lithium iron phosphate battery | |
| CN204334056U (en) | A kind of lithium battery group baffle of equalizing charge | |
| CN206059502U (en) | A kind of lithium battery pole ear | |
| CN106374149A (en) | Multi-lithium-battery electrical core voltage difference balancing system | |
| CN204216576U (en) | A kind of lithium ionic battery protection circuit | |
| CN204334057U (en) | A kind of Combined lithium battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN DOKOCOM ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN VIRTUE POWER TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 B3 building, 3 industrial zone, new street and neighborhood committee, Fuyong, Shenzhen, Baoan District, Guangdong Patentee after: SHENZHEN DOKOCOM ENERGY TECHNOLOGY CO., LTD. Address before: 518000 B3 building, 3 industrial zone, new street and neighborhood committee, Fuyong, Shenzhen, Baoan District, Guangdong Patentee before: Shenzhen Virtue Power Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |