CN204030647U - A kind of portable power source - Google Patents
A kind of portable power source Download PDFInfo
- Publication number
- CN204030647U CN204030647U CN201420318393.6U CN201420318393U CN204030647U CN 204030647 U CN204030647 U CN 204030647U CN 201420318393 U CN201420318393 U CN 201420318393U CN 204030647 U CN204030647 U CN 204030647U
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- CN
- China
- Prior art keywords
- control circuit
- circuit
- input
- voltage
- 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 - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of portable power source, has gentle over-voltage protecting function, solves the problem that the too high battery explosion that causes of the too high and charging voltage of portable power source Yin Wendu and battery life decline.Comprise total control circuit, charging control circuit, reduction voltage circuit, rechargeable battery, charge/discharge control circuit, booster circuit.Described charging control circuit output is connected with described reduction voltage circuit input, described reduction voltage circuit output and described charge/discharge control circuit input are connected with described rechargeable battery, described charge/discharge control circuit output is connected with described booster circuit input, and described charging control circuit input and described charge/discharge control circuit control end are connected with described total control circuit; Wherein said total control circuit is provided with temperature sensor and voltage detecting circuit, described rechargeable battery is close to by described temperature sensor, for measuring the temperature of described rechargeable battery, described voltage detecting circuit is input to the voltage of described total control circuit for measuring.
Description
Technical field
The utility model belongs to the technical field of portable power source, especially relates to a kind of portable power source with gentle over-voltage protecting function.
Background technology
In existing technology, portable power source is generally adopt lithium ion battery to carry out charging energy-storing, lithium ion battery can generate heat when discharge and recharge, if lithium ion battery is under high temperature for a long time or charging voltage higher than setting input voltage time; could the life-span be affected, even may blast, have potential safety hazard.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of portable power source, can solve the problem of potential safety hazard and the battery life decline caused because battery temperature is too high or charging voltage is too high in prior art.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of portable power source, comprise total control circuit, charging control circuit, reduction voltage circuit, rechargeable battery, charge/discharge control circuit, booster circuit.Described charging control circuit output is connected with described reduction voltage circuit input, described reduction voltage circuit output and described charge/discharge control circuit input are connected with described rechargeable battery, described charge/discharge control circuit output is connected with described booster circuit input, and described charging control circuit input is connected with described total control circuit with described charge/discharge control circuit control end; Wherein said total control circuit is provided with temperature sensor and voltage detecting circuit, described rechargeable battery is close to by described temperature sensor, for measuring the temperature of described rechargeable battery, described voltage detecting circuit is input to the voltage of described total control circuit for measuring.
According to a preferred embodiment of the present utility model, described total control circuit comprises a master control chip, described master control chip wherein has a pin to be connected with the input of described charging control circuit, and described master control chip wherein has a pin to be connected with the control end of described charge/discharge control circuit.
According to a preferred embodiment of the present utility model, the output of described voltage detecting circuit is connected with one of them pin of described master control chip.
According to a preferred embodiment of the present utility model, described temperature sensor at least comprises a thermistor.
According to a preferred embodiment of the present utility model, described rechargeable battery is close to by described thermistor.
The advantage that the utility model has and good effect are: owing to adopting technique scheme, when described thermistor detect described charging-cell temperature higher than limit value or the voltage being input to total control circuit detected higher than limit value when described voltage detecting circuit time, described master control chip controls charging control circuit and described charge/discharge control circuit make it quit work, when described charging-cell temperature return to safe temperature and described voltage detecting circuit detect be input to total control circuit voltage not higher than limit value time, described in described master control chip controls, charging control circuit and described charge/discharge control circuit make its work, make the operational environment of described portable power source safer, the life-span of described rechargeable battery is made not to be subject to the impact of excessive temperature and too high voltages.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model portable power source.
In figure:
10, total control circuit 20, charging control circuit 30, reduction voltage circuit
40, rechargeable battery 50, charge/discharge control circuit 60, booster circuit
11, voltage detecting circuit 12, temperature sensor
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As shown in Figure 1, the utility model portable power source comprises total control circuit 10, charging control circuit 20, reduction voltage circuit 30, rechargeable battery 40, charge/discharge control circuit 50, booster circuit 60.Charging controls electric 20 road outputs and is connected with reduction voltage circuit 30 input, reduction voltage circuit 30 output and charge/discharge control circuit 50 input are connected with rechargeable battery 40, charge/discharge control circuit 50 output is connected with booster circuit 60 input, and charging control circuit 20 input is connected with total control circuit 10 with charge/discharge control circuit 50 control end; Wherein said total control circuit 10 is provided with temperature sensor 12 and voltage detecting circuit 11, described rechargeable battery 40 is close to by described temperature sensor 12, for measuring the temperature of described rechargeable battery 40, described voltage detecting circuit 11 is for measuring the voltage being input to described total control circuit 10.
Total control circuit 10 comprises a master control chip, and master control chip wherein has a pin to be connected with the input of charging control circuit 20, and master control chip wherein has a pin to be connected with the control end of charge/discharge control circuit 20.
The output of voltage detecting circuit 11 is connected with one of them pin of described master control chip
Temperature sensor 12 at least comprises a thermistor.
Described rechargeable battery 40. is close to by thermistor
The course of work of this example: those skilled in the art is readily appreciated that, portable power source of the present utility model, when thermistor detect charging-cell temperature higher than limit value or the voltage being input to total control circuit detected higher than limit value when voltage detecting circuit time, master control chip controls charging control circuit and charge/discharge control circuit make it quit work, when charging-cell temperature return to safe temperature and voltage detecting circuit detect be input to total control circuit voltage not higher than limit value time, described master control chip controls charging control circuit and charge/discharge control circuit make it work.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (5)
1. a portable power source, is characterized in that: comprise total control circuit, charging control circuit, reduction voltage circuit, rechargeable battery, charge/discharge control circuit, booster circuit;
Described charging control circuit output is connected with described reduction voltage circuit input, described reduction voltage circuit output and described charge/discharge control circuit input are connected with described rechargeable battery, described charge/discharge control circuit output is connected with described booster circuit input, and described charging control circuit input and described charge/discharge control circuit control end are connected with described total control circuit; Wherein said total control circuit is provided with temperature sensor and voltage detecting circuit, described rechargeable battery is close to by described temperature sensor, for measuring the temperature of described rechargeable battery, described voltage detecting circuit is input to the voltage of described total control circuit for measuring.
2. portable power source according to claim 1, it is characterized in that: described total control circuit comprises a master control chip, described master control chip wherein has a pin to be connected with the input of described charging control circuit, and described master control chip wherein has a pin to be connected with the control end of described charge/discharge control circuit.
3. portable power source according to claim 2, is characterized in that: the output of described voltage detecting circuit is connected with one of them pin of described master control chip.
4. portable power source according to claim 1, is characterized in that: described temperature sensor at least comprises a thermistor.
5. portable power source according to claim 4, is characterized in that: described rechargeable battery is close to by described thermistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318393.6U CN204030647U (en) | 2014-06-13 | 2014-06-13 | A kind of portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318393.6U CN204030647U (en) | 2014-06-13 | 2014-06-13 | A kind of portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204030647U true CN204030647U (en) | 2014-12-17 |
Family
ID=52070474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318393.6U Expired - Fee Related CN204030647U (en) | 2014-06-13 | 2014-06-13 | A kind of portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204030647U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931567A (en) * | 2015-05-29 | 2015-09-23 | 苏州合欣美电子科技有限公司 | Automatic mercury ion concentration detection and control system with power supply optimization function |
| CN105098727A (en) * | 2015-08-18 | 2015-11-25 | 珠海市一微半导体有限公司 | Battery protection circuit and method |
| CN106486976A (en) * | 2016-11-23 | 2017-03-08 | 宇龙计算机通信科技(深圳)有限公司 | Battery protecting apparatus and battery protecting method |
-
2014
- 2014-06-13 CN CN201420318393.6U patent/CN204030647U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931567A (en) * | 2015-05-29 | 2015-09-23 | 苏州合欣美电子科技有限公司 | Automatic mercury ion concentration detection and control system with power supply optimization function |
| CN105098727A (en) * | 2015-08-18 | 2015-11-25 | 珠海市一微半导体有限公司 | Battery protection circuit and method |
| CN105098727B (en) * | 2015-08-18 | 2018-04-13 | 珠海市一微半导体有限公司 | Battery protecting circuit and method |
| CN106486976A (en) * | 2016-11-23 | 2017-03-08 | 宇龙计算机通信科技(深圳)有限公司 | Battery protecting apparatus and battery protecting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |