CN202550624U - Lithium battery charging power supply with charging protection function - Google Patents
Lithium battery charging power supply with charging protection function Download PDFInfo
- Publication number
- CN202550624U CN202550624U CN2012201564830U CN201220156483U CN202550624U CN 202550624 U CN202550624 U CN 202550624U CN 2012201564830 U CN2012201564830 U CN 2012201564830U CN 201220156483 U CN201220156483 U CN 201220156483U CN 202550624 U CN202550624 U CN 202550624U
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- unit
- charging
- lithium battery
- power supply
- circuit
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- Expired - Fee Related
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a lithium battery charging power supply with a charging protection function. The lithium battery charging power supply comprises a power supply part and a charging part, wherein the charging part comprises at least one lithium battery placing slot, a voltage stabilizing circuit and a protection circuit; the charging part is provided with a detection control unit and a charging protection unit; and the charging protection unit comprises a current detection unit, a first alarm unit, a processing unit, a display unit, a temperature detection unit and a second alarm unit. The lithium battery charging power supply is simple in structure, provides stable voltage for a lithium battery, and can detect actual current and actual temperature of equipment, so as to accurately judge where the fault is positioned, to perform detecting and recording, and generate and display data.
Description
Technical field
The utility model relates to the charge power supply of rechargeable lithium batteries, particularly a kind of lithium cell charging power supply with charge protection function.
Background technology
Now; Lithium battery is because in light weight, the good low price of conductivity and little with impact to the harm of environment; Obtained good development, occupied center of gravity, under charged state at battery industry; If the charging voltage of lithium battery repeats to occur to surpass the state more than 4.3 volts, have smolder, the danger of on fire even blast.Be lower than 2.0 volts long-term down placement of state like the voltage of lithium battery, then lithium battery can't re-use or charge.Overcharge or when discharging (use) accident even blast that life-span of the lithium battery that may contract or take place can not expect.The charging modes of perfect condition is with a charger 3 lithium batteries that are connected in series to be charged, and charger is set for rechargeable lithium batteries is charged; After making each cell voltage become 4.2 volts; Stop charging, when actual charging modes, charger charge to lithium battery; The target of charging is for the voltage that makes 3 rechargeable lithium batteries becomes 4.2 volts equally, so the essence voltage of charger is the l2.6 volt.Yet because the individual characteristic difference of lithium battery, and environment for use difference etc. and when other battery of voltage ratio of lithium battery was risen sooner, lithium battery can be overcharged, other battery is in the state of underfill electricity; So, when repeating to occur overcharging, lithium battery can be separated out the lithium metal; And become smolder, the reason of on fire even blast, in addition, how long the circuits of a lot of devices because of damaging service time; So just cause a lot of unnecessary losses, and, the inner function situation of not really timely clearly reaction unit; Therefore, there is defective in prior art, needs to improve.
Implementation content
[0003]The technical problem that the utility model will solve is for overcoming weak point of the prior art; A kind of simple structure is provided, burning voltage is provided for lithium battery; Ability checkout equipment actual current and actual temperature; Accurately where failure judgement goes out, and carries out detection record, generates the lithium cell charging power supply with charge protection function that data show.
For solving the technical problem of the utility model; The technical scheme that is adopted is: a kind of lithium cell charging power supply with charge protection function; Comprise power suppling part, charging part, said power suppling part is that lithium battery provides power supply, and said charging part comprises at least one lithium battery standing groove, voltage stabilizing circuit, protective circuit; Said voltage stabilizing circuit is used for the constant charge circuit voltage, and said protective circuit is used to guarantee the circuit safety of charging circuit; Said charging part is established one and is detected control unit, and lithium battery is positioned in the said lithium battery standing groove and charges, when said detection control unit detect lithium battery saturated after, break off the circuit of this lithium battery standing groove at once; Said charging part also is provided with the charge protection unit, and said charge protection unit comprises current detecting unit, first alarm unit, processing unit, display unit, temperature detecting unit, second alarm unit; Said current detecting unit is connected in said charging part circuit, is used to detect the actual current of said charging part circuit, and generates signal; Flow to said processing unit, said processing unit compares according to presupposed information and detection information, generates data; Send said display unit then to; Through said display unit comparing result is shown, said first alarm unit sends first alarm signal according to the electric current comparing result; Said temperature detecting unit detects the actual temperature of said charging part circuit, and generates signal, flows to said processing unit; Said processing unit compares according to presupposed information and detection information; Generate data, send said display unit then to, the temperature comparing result is shown through said display unit; Said second alarm unit sends second alarm signal according to said temperature comparing result;
Said charging part is provided with a sampling A, and said sampling A is used to gather the virtual voltage of charging part, and repeatedly voltage compares arrangement, so that adjust the voltage that said voltage stabilizing circuit provides;
Said charging part is provided with a plurality of lithium battery standing grooves, and each lithium battery standing groove is connected in parallel, and reduces influence each other;
Said detection control unit also is connected with said display unit, and said detection control unit shows the charge condition that detects lithium battery through said display unit, be convenient to the charge condition that people check lithium battery.
Beneficial effect with respect to prior art is that through protective circuit is set on the charging circuit, protection charging road road safety has reduced potential safety hazard; Connect voltage stabilizing circuit, for charging part provides burning voltage, reduce the stimulation to lithium battery, the charging slot of each lithium battery is connected in parallel; Independently electric current is arranged each other, avoid property difference, and the environment for use difference etc. and when other battery of voltage ratio of lithium battery was risen sooner, lithium battery can be overcharged, to a certain extent of each lithium battery; Increased the useful life of battery, ability checkout equipment actual current and actual temperature, accurately where failure judgement goes out; The signal that gives the alarm timely carries out detection record, generates data and shows; Be convenient to the charge condition that people check lithium battery, avoid unnecessary loss, good economic benefits.
Description of drawings
Fig. 1 is the basic connection sketch map of the utility model.
Embodiment
Be described in further detail below in conjunction with the optimal way of accompanying drawing the utility model.
As shown in Figure 1, the device construction of this lithium cell charging power supply is simple, for lithium battery provides burning voltage, to each lithium battery independently electric current is provided; Increase circuit protection, prolong lithium battery useful life, can checkout equipment actual current and actual temperature, accurately where failure judgement goes out; Signal timely gives the alarm; Carry out detection record, generate data and show, can use at hand-held computer, portable multimedia playing apparatus, mobile phone or lithium battery charger etc.This has the lithium cell charging power supply of charge protection function; Comprise power suppling part 15, charging part; Said power suppling part is that lithium battery provides power supply, and said charging part comprises at least one lithium battery standing groove 8, voltage stabilizing circuit 13, protective circuit 11, and said voltage stabilizing circuit 13 is used for the constant charge circuit voltage; Said charging part is provided with a sampling A 14; Said sampling A 14 is used to gather the virtual voltage of charging part, and repeatedly voltage compares arrangement, so that adjust the voltage that said voltage stabilizing circuit provides; Said protective circuit 11 is used to guarantee the circuit safety of charging circuit;
For example, said charging part is provided with 7, four standing grooves 7 of four standing grooves and is connected in parallel, and reduces influence each other; Said charging part also is provided with the charge protection unit, and said charge protection unit comprises current detecting unit 12, first alarm unit 1, processing unit 4, display unit 3, temperature detecting unit 9, second alarm unit 2; Said processing unit 4 is provided with two width of cloth circuit, connects respectively at said current detecting unit 12, said temperature detecting unit 9, and said current detecting unit 12 is connected in said charging part circuit; Be used to detect the actual current of said charging part circuit; And the generation signal, flowing to said processing unit 4, said processing unit 4 compares according to presupposed information and detection information; Generate data; Send said display unit 3 then to, through said display unit 3 comparing result is shown, when the actual current that detects said charging part is higher than the peak of predetermined current; Said processing unit 4 sends information to detection control unit 5 that said charging part is provided with; Said detection control unit 5 cuts off the circuit of charging part immediately, and said first alarm unit 1 sends first alarm signal according to the electric current comparing result; Said temperature detecting unit 9 detects the actual temperature of said charging part circuit, and generates signal, flows to said processing unit 4; Said processing unit 4 compares according to presupposed information and detection information, generates data, sends said display unit 3 then to; Through said display unit 3 the temperature comparing result is shown; When the actual temperature that detects said charging part was higher than the peak of preset temperature, said processing unit 4 sent information to said detection control unit 5, and said detection control unit 5 cuts off the circuit of charging part immediately; Said second alarm unit 2 sends second alarm signal according to said temperature comparing result;
At circuit just often; Lithium battery 6 is positioned in the said lithium battery standing groove 8 and charges; When said detection control unit 5 detect lithium battery saturated after, break off the circuit of this lithium battery standing groove at once, said detection control unit 5 also is connected with said display unit 3; Said detection control unit 5 shows the charge condition that detects lithium battery through said display unit, be convenient to the charge condition that people check lithium battery.
The above execution mode only is used for explaining the utility model, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated person skilled can be made suitable change adjustment, and these change adjustment also should be included within the claim protection range of the present invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201564830U CN202550624U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with charging protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201564830U CN202550624U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with charging protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550624U true CN202550624U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201564830U Expired - Fee Related CN202550624U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with charging protection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN202550624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262171A (en) * | 2015-10-29 | 2016-01-20 | 桂林市腾瑞电子科技有限公司 | Battery charging protection control system and method |
-
2012
- 2012-04-14 CN CN2012201564830U patent/CN202550624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262171A (en) * | 2015-10-29 | 2016-01-20 | 桂林市腾瑞电子科技有限公司 | Battery charging protection control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Guorong Inventor after: Shen Changsong Inventor after: Zhao Deli Inventor after: Tan Xiancai Inventor after: Wang Shengbing Inventor after: Zheng Kuanhan Inventor before: Dang Yanjie Inventor before: Shen Changsong Inventor before: Zhao Deli |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DANG YANJIE SHEN CHANGSONG ZHAO DELI TO: CHEN GUORONG SHEN CHANGSONG ZHAO DELI TAN XIANCAI WANG SHENGBING ZHENG KUANHAN |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150414 |
|
| EXPY | Termination of patent right or utility model |