CN204578122U - Portable power source system - Google Patents
Portable power source system Download PDFInfo
- Publication number
- CN204578122U CN204578122U CN201520091284.XU CN201520091284U CN204578122U CN 204578122 U CN204578122 U CN 204578122U CN 201520091284 U CN201520091284 U CN 201520091284U CN 204578122 U CN204578122 U CN 204578122U
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- CN
- China
- Prior art keywords
- power source
- portable power
- source system
- charging
- lithium battery
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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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Abstract
The utility model relates to a kind of portable power source system, comprises lithium battery, and described portable power source system also comprises for the charging circuit of lithium cell charging and discharge circuit and the USB interface for being connected mobile device; Wherein, charging circuit comprising charging IC successively, indicating the indicator light of electric quantity of lithium battery, for limiting the resistance of maximum charging current; Discharge circuit comprises boost-regulator, successively for detecting the resistance of voltage; When lithium battery voltage reaches 4.2V, indicator light is bright, charging complete.The portable power source system that the utility model provides, compact, is easy to carry, with low cost, and user can buy according to the demand of oneself, is finished rear recyclable, really accomplishes environmental protection and energy saving, convenient for users to use.
Description
Technical field
The utility model relates to portable power source technical field, more particularly, relates to a kind of portable power source system.
Background technology
Along with the development of electronic technology, intelligent artifact such as smart mobile phone is of common occurrence.Intelligent artifact power consumption is very large, when we are away from home, often occurs the situation that intelligent artifact electricity exhausts.Need when there being emergent thing to bring great puzzlement to user when using intelligent artifact.Such as smart mobile phone does not have electricity, thinks that it is then a problem that can not be ignored that smart mobile phone can be allowed as early as possible to fill electricity with.
Therefore, prior art urgently has greatly improved.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of portable power source system, comprises lithium battery, also comprises for the charging circuit of lithium cell charging and discharge circuit and the USB interface for being connected mobile device; Wherein, charging circuit comprising charging IC successively, indicating the indicator light of electric quantity of lithium battery, for limiting the resistance (over-charge protective) of maximum charging current; Discharge circuit comprises boost-regulator, successively for detecting the resistance of voltage; When lithium battery voltage reaches 4.2V, indicator light is bright, charging complete.
In portable power source system described in the utility model, described charging IC refers to TP4057.
In portable power source system described in the utility model, described boost-voltage regulator refers to FP6291.
In portable power source system described in the utility model, described lithium battery capacity is 2 hours, 4 hours, 6 hours.
In portable power source system described in the utility model, described capacity is the portable power source system size of 2 hours is 20mm × 15mm × 8mm.
In portable power source system described in the utility model, described capacity is the portable power source system size of 4 hours is 20mm × 20mm × 8mm.
In portable power source system described in the utility model, described capacity is the portable power source system size of 6 hours is 35mm × 15mm × 8mm.
Implement portable power source system of the present utility model, have following beneficial effect: compact, be easy to carry, with low cost, user can buy according to the demand of oneself, is finished rear recyclable, really accomplishes environmental protection and energy saving, convenient for users to use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the charging circuit schematic diagram of the utility model portable power source system;
Fig. 2 is the discharge circuit schematic diagram of the utility model portable power source system.
Embodiment
Referring to Fig. 1, is the charging circuit schematic diagram of the utility model portable power source system.As shown in Figure 1, in the portable power source system that the utility model first embodiment provides, at least comprising, comprise lithium battery, also comprising for the charging circuit of lithium cell charging and discharge circuit and the USB interface for being connected mobile device; Wherein, charging circuit comprising charging IC successively, indicating the indicator light of electric quantity of lithium battery, for limiting the resistance of maximum charging current; Discharge circuit comprises boost-regulator, successively for detecting the resistance of voltage; When lithium battery voltage reaches 4.2V, indicator light is bright, charging complete.
Described charging IC refers to TP4057.
Described boost-voltage regulator refers to FP6291.
Described lithium battery capacity is 2 hours, 4 hours, 6 hours.
Described capacity is the portable power source system size of 2 hours is 20mm × 15mm × 8mm.
Described capacity is the portable power source system size of 4 hours is 20mm × 20mm × 8mm.
Described capacity is the portable power source system size of 6 hours is 35mm × 15mm × 8mm.Charging operation principle:
Receive on USB seat by external direct current 5V voltage (charger), by TP4057 charge controlling chip, thus give lithium cell charging, LED light represents charged state, and just in charging, green expression is full of in red expression.
Resistance R1 is indicator light current-limiting resistance, and resistance R2 is battery status resistance, and resistance R9 regulates charging current resistance.
Current trend: external 5V voltage receives chip the 4th pin, chip the 3rd pin output current charges the battery.
Incorporated by reference to consulting Fig. 2, it is the charging circuit schematic diagram of the utility model portable power source system.As shown in Figure 2, electric discharge operation principle:
Lithium battery 3.7V is boosted to 5V (mobile phone charging voltage), realize charging the phone.Lithium battery receives chip FP6291 the 4th, and 5 pin are to chip power supply, and L1, D1 composition boosting part, C2, C4 are lithium battery filter capacitor (before boosting voltage), R4, R10 resistance is output voltage regulating resistance, and R3 resistance is discharging current regulating resistance, C3, C5 are output filter capacitors, R5, R6, R7, R84 resistance is the charging of coupling i Phone, and J2 is for exporting USB interface.
Current trend: lithium battery receives chip FP6291 the 4th, 5 pin, after boosting, the first pin outputs to USB interface.
The utility model, by the design of above first embodiment, can be accomplished compact, be easy to carry, with low cost, user can buy according to the demand of oneself, is finished rear recyclable, really accomplishes environmental protection and energy saving, convenient for users to use, band quick charge IC, can be full of electricity within the shortest time.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the utility model scope, can carry out various change and equivalent replacement.In addition, for adapting to the specific occasion of the utility model technology, can many amendments be carried out to the utility model and not depart from its protection range.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiments dropping into claims.
Claims (7)
1. a portable power source system, comprises lithium battery, it is characterized in that, described portable power source system also comprises for the charging circuit of lithium cell charging and discharge circuit and the USB interface for being connected mobile device; Wherein, charging circuit comprising charging IC successively, indicating the indicator light of electric quantity of lithium battery, for limiting the resistance of maximum charging current; Discharge circuit comprises boost-regulator, successively for detecting the resistance of voltage; When lithium battery voltage reaches 4.2V, indicator light is bright, charging complete.
2. portable power source system according to claim 1, is characterized in that, described charging IC refers to TP4057.
3. portable power source system according to claim 1, is characterized in that, described boost-voltage regulator refers to FP6291.
4. portable power source system according to claim 1, is characterized in that, described lithium battery capacity is 2 hours, 4 hours, 6 hours.
5. portable power source system according to claim 4, is characterized in that, described capacity is the portable power source system size of 2 hours is 20mm × 15mm × 8mm.
6. portable power source system according to claim 4, is characterized in that, described capacity is the portable power source system size of 4 hours is 20mm × 20mm × 8mm.
7. portable power source system according to claim 4, is characterized in that, described capacity is the portable power source system size of 6 hours is 35mm × 15mm × 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091284.XU CN204578122U (en) | 2015-02-09 | 2015-02-09 | Portable power source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520091284.XU CN204578122U (en) | 2015-02-09 | 2015-02-09 | Portable power source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578122U true CN204578122U (en) | 2015-08-19 |
Family
ID=53870717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520091284.XU Expired - Fee Related CN204578122U (en) | 2015-02-09 | 2015-02-09 | Portable power source system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578122U (en) |
-
2015
- 2015-02-09 CN CN201520091284.XU patent/CN204578122U/en not_active Expired - Fee Related
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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: 20150819 Termination date: 20180209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |