CN202260535U - Mobile power supply with electric quantity detection function - Google Patents
Mobile power supply with electric quantity detection function Download PDFInfo
- Publication number
- CN202260535U CN202260535U CN2011203703922U CN201120370392U CN202260535U CN 202260535 U CN202260535 U CN 202260535U CN 2011203703922 U CN2011203703922 U CN 2011203703922U CN 201120370392 U CN201120370392 U CN 201120370392U CN 202260535 U CN202260535 U CN 202260535U
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- circuit
- electric weight
- charging
- power source
- portable power
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Abstract
The utility model discloses a mobile power supply with an electric quantity detection function, which comprises a shell, a circuit board arranged in the shell, and a rechargeable battery, wherein the circuit board comprises a protection circuit, a step up circuit, a charging circuit, and an electric quantity detection circuit for detecting charging and discharging electric quantities, and the protection circuit is bidirectionally connected with the rechargeable battery; an input end of the protection circuit is connected with the charging circuit, and an output end of the protection circuit is respectively connected with the step up circuit and the electric quantity detection circuit; a charging interface, more than one discharging interface, a charging and discharging electric quantity detection control switch and a plurality of charging and discharging electric quantity indicator lights are arranged on the shell, and the charging interface and the more than one discharging interface are respectively connected with the charging circuit and the step up circuit; and the charging and discharging electric quantity indicator lights and the charging and discharging electric quantity detection control switch are connected with the electric quantity detection circuit. According to the mobile power supply, the function of displaying the electric quantity of the mobile power supply is added on the basis that the functions that the mobile power supply supplies power and charges to electronic products are realized.
Description
Technical field
The utility model relates to a kind of supply unit that discharges and recharges, and relates in particular to a kind of portable portable power source that can show charge/discharge electricity amount.
Background technology
The patent No. is that the utility model of ZL201020645727.2 discloses a kind of portable power source; Comprise single-chip microcomputer, output control circuit, lithium battery, big electric current moment output module; Said output control circuit links to each other with lithium battery with said single-chip microcomputer respectively; Said big electric current moment output module comprises big current output unit that links to each other with said output control circuit and the detecting voltage wakeup unit that links to each other with said big current output unit; Said big current output unit is used for linking to each other with power consumption equipment, and said detecting voltage wakeup unit links to each other with said single-chip microcomputer; Said detecting voltage wakeup unit comprises the power consumption equipment voltage detection unit that is used to check power consumption equipment voltage, and said power consumption equipment voltage detection unit is according to the power supply state of the said big current output unit of detected voltage control.The portable power source of prior art can only charge to digital electronic goods, promptly can not possess the function of simultaneously a plurality of digital electronic goods being charged.
The utility model content
To the deficiency of prior art, the utility model provides a kind of can and can show the portable power source of electric weight for electronic product charging.
The utility model solves the technical scheme that its technical problem adopted:
A kind of portable power source with electric weight measuring ability comprises housing, is installed in circuit board and chargeable battery in the housing, and said circuit board comprises protective circuit, booster circuit, charging circuit and is used to detect the electric weight testing circuit of charge and discharge electric weight; Said protective circuit is connected with chargeable battery is two-way, and the input of said protective circuit connects said charging circuit, and its output connects said booster circuit and electric weight testing circuit respectively; Said housing is provided with charging inlet, the interface that discharges more than, charge/discharge electricity amount detect control switch and a plurality of charge/discharge electricity amount indicator light; Said charging inlet is connected with booster circuit with said charging circuit respectively with discharge interface more than, and said a plurality of charge/discharge electricity amount indicator lights detect control switch with charge/discharge electricity amount and are connected said electric weight testing circuit.
Said a plurality of charge/discharge electricity amount indicator light comprises linearly aligned LED lamp more than 2, and said LED lamp is respectively equipped with lampshade.
Said charge/discharge electricity amount detects control switch and implements switch control through control button.
Preferably, said lampshade combination is rendered as the circle that is arranged in order from small to large.
Preferably, said detection control switch and said LED lamp line property are arranged on the circuit board; Said control button and the combination of said lampshade are rendered as the circle that is arranged in order from small to large.
Preferably, described LED lamp is red/blue dual-colored LED lamp.
Preferably, the quantity of said LED lamp is 4.
One charging inlet and two discharge interfaces are set on the said housing.
Preferably, said chargeable battery is selected lithium battery for use.
Compared with prior art, the portable power source with electric weight measuring ability of the utility model has following useful technique effect: can charge to a plurality of electronic products simultaneously, but also the lively detection and the demonstration of charge/discharge electricity amount intuitively is provided.
Description of drawings
Fig. 1 is the functional-block diagram that the utlity model has the portable power source of electric weight measuring ability;
Fig. 2 is the decomposing state structural representation that the utlity model has the portable power source of electric weight measuring ability;
Fig. 3 is the conducting strip that the utlity model has the portable power source of the electric weight measuring ability stereogram when facing up;
Fig. 4 is the stereogram of lower house up time that the utlity model has the portable power source of electric weight measuring ability;
Fig. 5 is the circuit diagram that the utlity model has the portable power source of electric weight measuring ability.
Embodiment
To combine accompanying drawing and embodiment that the utility model is further specified below.
Extremely shown in Figure 4 like Fig. 1; The multi-functional portable power source of the utility model; Comprise housing 1, be installed in circuit board 2 and chargeable battery 3 in the housing 1, said circuit board 2 comprises protective circuit 21, booster circuit 22, charging circuit 23 and is used to detect the electric weight testing circuit 24 of said chargeable battery 3 electric weight; Said protective circuit 21 and 3 two-way connections of chargeable battery, the input of said protective circuit 21 connects said charging circuit 23, and its output connects said booster circuit 22 and electric weight testing circuit 24 respectively; Said circuit board 2 also is provided with indicator light 241 that shows electric weight testing circuit 24 testing results and the detection control switch 242 of opening or cutting out indicator light 241, and indicator light 241 is connected respectively with electric weight testing circuit 24 with detection control switch 242 and is connected.Chargeable battery 3 is selected lithium battery for use.
Said indicator light 241 comprises 4 linearly aligned LED lamps 2411, and said detection control switch 242 and said LED lamp 2411 linear array are on circuit board 2.Described LED lamp 2411 is red/blue dual-colored LED lamp.Position corresponding to said LED lamp 2411 on the described housing 1 is respectively equipped with lampshade 13.Housing 1 is provided with and detects the control button 14 that control switch 242 is connected.Said control button 14 is rendered as the circle that is arranged in order from small to large with said lampshade 13 combinations.
This portable power source with electric weight measuring ability comprises 1 charging inlet 25 and 2 discharge interfaces 26; Described charging inlet 25 is installed on the housing 1 and is connected with charging circuit 23, and described discharge interface 26 is installed on the housing 1 and is connected with booster circuit (22).Said housing 1 comprises the upper shell 11 and lower house 12 of mutual clamping.Charging inlet 25 is the MICRO USB interface.Discharge interface 26 is a USB interface.
The operation principle of the multi-functional portable power source of the utility model is described below in conjunction with Fig. 1 and Fig. 5.
Charge Management:
Chargeable battery 3 is charged through U1 through charging inlet 25 during charging; Chargeable battery 3 voltages are when 3.0-4.1V; U9 starts charging automatically, and U9 Automatic Start Interrupt charging road when being charged to chargeable battery 3 voltage 4.2V stops to charge and plays the effect of protection chargeable battery 3.
Booster circuit:
When chargeable battery 3 voltages during at 3.0-4.2V; The inner frequency of oscillation that produces 500-700HZ of U3; Q21 is under the effect of this switching frequency, and the L13 inductance produces high-frequency impulse in the process of discharge and energy storage, produces a direct voltage output during through U3; Through R38, R39 dividing potential drop feedback, provide and stablize the charging of 5V voltage output confession digital equipment.
Electric weight detects:
Red LED lantern festival flicker successively from small to large when charging, full back 4 lamps are bright entirely up to filling, and after delaying time 10 minutes, all lamp extinguishes again.The blue led lamp lights when external load discharges, and along with the time growth of discharge, lantern festival is extinguished from big to small successively, up to having put.When chargeable battery 3 voltages hanged down to 3.3V when discharge, LED lantern festival flash red pointed out the user please in time to charge.
The state of LED lamp when discharging and recharging:
| ? | 1 lamp is bright | 2 lamps are bright | 3 lamps are bright | 4 lamps are bright |
| During charging | 0-25% | 26-50% | 51-75% | 76-100% |
| During discharge | 0-25% | 26-50% | 51-75% | 76-100% |
Protective circuit:
Protective circuit can play chargeable battery 3 second protection effects when other safeguard measures lose efficacy, and prevented because of the danger that chargeable battery 3 overcharges, mistake is put, short circuit causes, concrete principle: 1) over-charge protective: when charging; When chargeable battery 3 voltages are raised to 4.25V; The action of U1 internal comparator, the 3P level of U1 drags down, and the 5P of U2 is a low level; Cause inner MOSFET to turn-off, stop charging; 2) put protection excessively: when connecting load, discharge, when chargeable battery 3 discharges into voltage 3.0V, the action of U1 internal comparator, the 3P level of U1 drags down, and the 4P of U2 is a low level, causes inner MOSFET to turn-off, and stops discharge.3) overcurrent short-circuit protection: when external loading short circuit or electric current were excessive, the input of U2 and output pressure drop increased, when voltage difference during greater than 80mV; The action of U1 internal comparator; The 3P level of U1 drags down, and the 4P of U2 is a low level, causes inner MOSFET to turn-off; Stop discharge, play a protective role.
The foregoing description is the utility model preferred implementation, and all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Claims (9)
1. portable power source with electric weight measuring ability; Comprise housing (1), be installed in circuit board (2) and chargeable battery (3) in the housing (1), it is characterized in that: said circuit board (2) comprises protective circuit (21), booster circuit (22), charging circuit (23) and is used to detect the electric weight testing circuit (24) of charge and discharge electric weight;
Said protective circuit (21) connects said charging circuit (23) with two-way connection of chargeable battery (3), the input of said protective circuit (21), and its output connects said booster circuit (22) and electric weight testing circuit (24) respectively;
Said housing (1) is provided with charging inlet (25), the interface (26) that discharges more than, charge/discharge electricity amount detect control switch (242) and a plurality of charge/discharge electricity amount indicator light (241); Said charging inlet (25) is connected with booster circuit (22) with said charging circuit (23) respectively with the interface (26) that discharges more than, and said a plurality of charge/discharge electricity amount indicator lights (241) detect control switch (242) with charge/discharge electricity amount and are connected said electric weight testing circuit (24).
2. the portable power source with electric weight measuring ability according to claim 1; It is characterized in that: said a plurality of charge/discharge electricity amount indicator lights (241) comprise linearly aligned LED lamp (2411) more than 2, and said LED lamp (2411) is respectively equipped with lampshade (13).
3. the portable power source with electric weight measuring ability according to claim 2 is characterized in that: said charge/discharge electricity amount detects control switch (242) and implements switch control through control button (14).
4. the portable power source with electric weight measuring ability according to claim 3 is characterized in that: said lampshade (13) combination is rendered as the circle that is arranged in order from small to large.
5. the portable power source with electric weight measuring ability according to claim 4 is characterized in that: said detection control switch (242) and said LED lamp (2411) linear array are on circuit board (2); Said control button (14) is rendered as the circle that is arranged in order from small to large with said lampshade (13) combination.
6. according to any described portable power source with electric weight measuring ability of claim 2-5, it is characterized in that: described LED lamp (2411) is red/blue dual-colored LED lamp.
7. the portable power source with electric weight measuring ability according to claim 6 is characterized in that: the quantity of said LED lamp (2411) is 4.
8. according to any described portable power source of claim 1-5, it is characterized in that: a charging inlet (25) and two discharge interfaces (26) are set on the said housing (1) with electric weight measuring ability.
9. according to any described portable power source with electric weight measuring ability of claim 1-5, it is characterized in that: said chargeable battery (3) is selected lithium battery for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703922U CN202260535U (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703922U CN202260535U (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260535U true CN202260535U (en) | 2012-05-30 |
Family
ID=46121719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203703922U Expired - Fee Related CN202260535U (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023081A (en) * | 2011-09-27 | 2013-04-03 | 顺昌泰科技（深圳）有限公司 | Mobile power supply with electric quantity detection function |
| CN105119353A (en) * | 2015-10-10 | 2015-12-02 | 彭德权 | System and method for controlling power bank through charging interface |
-
2011
- 2011-09-27 CN CN2011203703922U patent/CN202260535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023081A (en) * | 2011-09-27 | 2013-04-03 | 顺昌泰科技（深圳）有限公司 | Mobile power supply with electric quantity detection function |
| CN105119353A (en) * | 2015-10-10 | 2015-12-02 | 彭德权 | System and method for controlling power bank through charging interface |
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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: 20120530 Termination date: 20170927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |