CN202524133U - Lithium battery charging power supply with temperature protection function - Google Patents
Lithium battery charging power supply with temperature protection function Download PDFInfo
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- CN202524133U CN202524133U CN2012201564864U CN201220156486U CN202524133U CN 202524133 U CN202524133 U CN 202524133U CN 2012201564864 U CN2012201564864 U CN 2012201564864U CN 201220156486 U CN201220156486 U CN 201220156486U CN 202524133 U CN202524133 U CN 202524133U
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- charging part
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Abstract
The utility model discloses a lithium battery charging power supply with a temperature protection function. The lithium battery charging power supply comprises a power supply module, a charging part, a control module and a heat management function module, wherein a transformer is arranged between the power supply module and the charging part; the charging part is provided with multiple charging slots; the lithium battery is placed in the charging slot for charging; multiple charging slots are connected in parallel; the heat management function module is provided with a temperature detection unit and an alarm unit; and a protection circuit is arranged between the power supply module and the charging part to ensure the circuit safety of the charging part. The lithium battery charging power supply is simple in structure, provides stable voltage for the lithium battery and provides independent current for each lithium battery, so that the circuit protection is enhanced, the service life of the lithium battery is prolonged, and unnecessary loss is reduced as situation in reaction equipment is responded timely from outside.
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 temperature 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; To each lithium battery independently electric current is provided; Increase circuit protection, prolong lithium battery useful life, externally the timely lithium cell charging power supply with overvoltage protection of consersion unit inner case.
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 temperature protection function comprises a power supply module, charging part, control module, heat management functional module; Be provided with transformer between said power supply module and the said charging part; Said transformer constant charge portion is a lithium cell charging voltage, reduces the damage to lithium battery, and said charging part is provided with a plurality of charging slots; Lithium battery is positioned in the said charging slot and charges; Said a plurality of charging slot is connected in parallel, and after arbitrary lithium battery was saturated, the controller that is connected with charging part broke off the circuit of this charging slot; Said heat management functional module is provided with temperature detecting unit and alarm unit; Said temperature detecting unit detects the actual temperature of this device, and contrasts the output temperature comparing result with preset temperature; Said alarm unit sends alarm signal according to said temperature comparing result; Be provided with protective circuit between said power supply module and the said charging part, guarantee the circuit safety of charging part;
In the described control module detection chip is set, after the lithium battery in detection chip detects arbitrary charging slot is saturated, saturation signal is flowed to control module, said control module is broken off the circuit of this charging slot at once, avoids overcharging;
Described each charging slot sidewall is provided with a green indicating lamp, a yellow indicator lamp, a red led, is used to react the function situation of interior lithium battery situation of each charging slot and charging part;
Said alarm unit comprises a toy trumpet, transmits warning message through sound wave to people.
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 transformer, 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 of each lithium battery; To a certain extent, increase the useful life of battery, externally be provided with indicator light; Can clear see the charge condition of battery and the function situation of charging part, be provided with temperature detecting unit, more accurately the temperature of detection line; The signal that gives the alarm is timely avoided unnecessary loss, good economic benefits.
Description of drawings
Fig. 1 is the basic boom 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, burning voltage is provided for lithium battery; To each lithium battery independently electric current is provided; Increase circuit protection, prolong lithium battery useful life, externally in time the consersion unit inner case 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 temperature protection function; Comprise a power supply module 3, charging part 7, control module 11, heat management functional module 4; Be provided with protective circuit 2 between said power supply module 3 and the said charging part 7, guarantee the circuit safety of charging part; Be provided with transformer 1 between said power supply module 3 and the said charging part, said transformer 1 constant charge portion is a lithium cell charging voltage, reduces the damage to lithium battery; Said charging part 7 is provided with a plurality of charging slots 6, and lithium battery 5 is positioned in the said charging slot 6 and charges, and the charging part of the device that is for example using is provided with three charging slots; These three charging slots are connected in parallel; Be provided with in the described control module 11 detection chip 8, three cross 9, three charging slots 6 of electric switch respectively three through detection chip 8 and said control module 11 cross electric switches 9 and be connected, when in lithium battery 5 is placed on charging slot 6, charging; The green indicating lamp that is arranged on the charging cell wall is bright; Explain that the lithium battery in this charging slot is replenishing electric weight, after the lithium battery in detection chip 8 detects arbitrary charging slot is saturated, flows to control module 11 with saturation signal; The electric switch 9 of crossing of said control module 11 these circuits of control breaks off the circuit of this charging slot at once; Avoid overcharging, the yellow indicator lamp that at this moment is arranged on the charging cell wall is bright, points out the lithium battery in this charging slot saturated;
Said heat management functional module 4 is provided with temperature detecting unit and alarm unit, and said temperature detecting unit detects the actual temperature of this device, and contrasts with preset temperature; When the actual temperature of charging device was higher than preset temperature, said temperature detecting unit compared actual temperature and preset temperature, and the output temperature comparing result; Said alarm unit is according to said temperature comparing result; Toy trumpet through alarm unit transmits warning message with acoustic wave mode to people, and simultaneously, the red led that is arranged on the charging cell wall is bright; Warn this charging slot and break down, to be convenient for people to timely place under repair.
More than the disclosed embodiment that is merely the utility model; But; The utility model is not limited thereto; Any be familiar with the present technique field the technical staff in the technical scope that the utility model discloses, the variation that can expect easily or replacement all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion by said protection range with claim.
Claims (3)
1. the lithium cell charging power supply with temperature protection function is characterized in that: comprise a power supply module, charging part, control module, heat management functional module, be provided with transformer between said power supply module and the said charging part; Said transformer is connected with said charging part; Said charging part is provided with a plurality of charging slots, and lithium battery is positioned in the said charging slot and charges, and said a plurality of charging slots are connected in parallel; Said control module is connected with said charging part; Said charging part is connected with said heat management functional module, and said heat management functional module is provided with temperature detecting unit and alarm unit, and said temperature detecting unit is connected in the charging part circuit; Said temperature detecting unit also connects in said alarm unit, is provided with protective circuit between said power supply module and the said charging part.
2. the lithium cell charging power supply with temperature protection function according to claim 1 is characterized in that: in the described control module detection chip is set, said detection chip is connected with each charging slot.
3. the lithium cell charging power supply with temperature protection function according to claim 1 is characterized in that: described each charging slot sidewall is provided with a green indicating lamp, a yellow indicator lamp, a red led.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201564864U CN202524133U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with temperature protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201564864U CN202524133U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with temperature protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524133U true CN202524133U (en) | 2012-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201564864U Expired - Fee Related CN202524133U (en) | 2012-04-14 | 2012-04-14 | Lithium battery charging power supply with temperature protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
-
2012
- 2012-04-14 CN CN2012201564864U patent/CN202524133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026259A (en) * | 2016-06-26 | 2016-10-12 | 来安县新元机电设备设计有限公司 | Charging control circuit and charging device of electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for 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: Chen Guorong Inventor before: Shen Changsong |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DANG YANJIE CHEN GUORONG SHEN CHANGSONG 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: 20121107 Termination date: 20150414 |
|
| EXPY | Termination of patent right or utility model |