CN203166552U - Mobile power supply - Google Patents
Mobile power supply Download PDFInfo
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- CN203166552U CN203166552U CN 201220634886 CN201220634886U CN203166552U CN 203166552 U CN203166552 U CN 203166552U CN 201220634886 CN201220634886 CN 201220634886 CN 201220634886 U CN201220634886 U CN 201220634886U CN 203166552 U CN203166552 U CN 203166552U
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- electric core
- power source
- portable power
- electric
- electrode
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Abstract
The utility model provides a mobile power supply which comprises a first electric core and a second electric core. The first electric core and the second core can be connected in series or in parallel. Idle ends of the two electric cores which are connected in series or in parallel are connected with a charging and discharging interface device. The two electric cores which are connected in series can charge a battery which needs charging through the charging and discharging interface device. The two electric cores which are connected in parallel can be charged by another charging device through the charging and discharging interface device. The mobile power supply has the advantages of simple structure and easy use.
Description
Technical field
The utility model relates to the battery boosting technology field, is specifically related to a kind of portable power source.
Background technology
The mobile phone of being away from home does not have electricity not have the interchangeable situation of reserve battery to run into often again for the moment suddenly, and usually be to find just that when making a phone call battery of mobile phone has not had electricity, certainly changing a reserve battery deals with problems at once, but in go out investigation or tourism way, meet by chance and must make a call, and all communication informations can't access in the mobile phone, run into this special circumstances and have no alternative really.What this just need a kind ofly can carry can be to the equipment of battery charge.
We know that reserve battery generally is to use an economize on electricity core or the parallel connection of more piece electricity core, and boost to 5.0V or 4.2V by the DC-DC circuit and give the electrical appliance battery charge again, owing to passed through a DC-DC circuit, the problem that has efficient conversion and cost, generally also can only reach 90% in conversion under than the rate condition with higher, have the problem of a DC-DC transducer simultaneously and cause cost to increase;
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, thereby a portable power source simple in structure is provided.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of portable power source comprises: the first electric core and the second electric core, but the described first electric core and the second electric core serial or parallel connection, the idle end of two electric cores is connected to and discharges and recharges interface equipment behind the serial or parallel connection.
Further, the described first electric core and the second electric core are the ferric phosphate lithium cell.
Further, the described interface equipment that discharges and recharges is USB interface.
Further, the described first electric core and the second electric core are realized series connection or in parallel by toggle switch.
Further, described portable power source also comprises and electric core protective circuit one to one.
Further; described portable power source also comprises protection circuit plate, the lower casing of going up shell and cooperating with last shell; the described first electric core and the second electric core are placed between shell and the lower casing; the electrode of the first electric core and the second electric core all is arranged on the protection circuit plate, and charging inlet equipment is welded on the protection circuit plate and with the electrode of the first electric core and the second electric core and is electrically connected.
Further, the described shell of going up is connected with lower casing is fixed by snap.
Compared with prior art, the utlity model has following beneficial effect: the portable power source that the utility model provides, two electric core series connection backs can be to the battery charge of needs charging by discharging and recharging interface equipment, can be to this two electric core charging through discharging and recharging interface equipment by other charging devices after the two electric core parallel connections, simple in structure, and easy to use.
Description of drawings
Fig. 1 is the utility model first embodiment portable power source schematic diagram.
Fig. 2 is the utility model second embodiment portable power source schematic diagram.
Fig. 3 is the schematic equivalent circuit of the utility model second embodiment two electric core series connection.
Fig. 4 is the schematic equivalent circuit of the utility model second embodiment two electric core parallel connections.
Fig. 5 is the utility model portable power source structure explosive view.
Fig. 6 to Fig. 8 is the utility model portable power source package assembly procedure chart.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is the utility model first embodiment portable power source schematic diagram; Disclose a kind of portable power source, having comprised: the first electric core B1 and the second electric core B2, but the described first electric core B1 and the second electric core B2 serial or parallel connection, the idle end of two electric cores is connected to and discharges and recharges interface equipment 40 behind the serial or parallel connection.Can charge to this two electric core through discharging and recharging interface equipment by other charging devices after the two electric core parallel connections to the battery charge of needs charging by discharging and recharging interface equipment in two electric core series connection backs, simple in structure, and easy to use.
In the present embodiment, the first electric core B1 and the second electric core B2 realize series connection or in parallel by toggle switch 30, and the two ends of the two ends of the first electric core B1 and the second electric core B2 are connected to respectively on four pins of toggle switch 30.The utility model relates to two electrodes, first electrode and second electrode, and first electrode and second electrode are opposite polarity electrode, and first electrode is positive electrode in the present embodiment, and second electrode is negative electrode.Second electrode of first electrode of the first electric core B1 and the first electric core B1 is connected to and discharges and recharges interface equipment 40.Discharging and recharging interface equipment in the present embodiment and be preferably USB interface, in other embodiments, also can be that other equipment that discharge and recharge interface can be provided.
In the present embodiment, the first electric core and the second electric core are the ferric phosphate lithium cell, and the ferric phosphate lithium cell has 2000-4000 time cycle life.Supply voltage generally is 5V during because of general battery charge, ferric phosphate lithium cell charging back discharge platform is 3.3V, and it is 6.6V that two joints string together, and because of the battery use of general electrical appliance is lithium ion battery, therefore its upper voltage limit 4.2V can give other electrical appliance or powered battery.Again because ferric phosphate lithium cell discharge lower voltage limit arranges 2.2V, two joints string together be 4.4V greater than 4.2V, that is to say that the electric weight of ferric phosphate lithium cell can fully be emitted.
In the present embodiment; with reference to figure 2, portable power source comprises also and electric core protective circuit one to one that first protective circuit 51 is connected in parallel on the two ends of the first electric core B1 among the figure; second protective circuit 52 is connected in parallel on the two ends of the second electric core B2, can satisfy the overcharging of portable power source, cross put, overcurrent protection.
Fig. 3 is the schematic equivalent circuit of the utility model second embodiment two electric core series connection; Fig. 4 is the schematic equivalent circuit of the utility model second embodiment two electric core parallel connections.The toggle switch equivalence is single regular tap K1, K2 and K3 among the figure.The annexation of two electric cores and protective circuit and equivalent switch as shown in Figure 3 and Figure 4, protective circuit comprises battery protection chip and switching tube M1 and switching tube M2.
Be connected to the two ends of the first electric core B1 after resistance R 1 and capacitor C 1 series connection; resistance R 1 is near the positive electricity end of the first electric core; the vdd terminal of battery protection chip U1 is connected the node of resistance R 1 and capacitor C 1 series connection, and the VSS of battery protection chip U1 holds the negative electricity that is connected the first electric core B1 extreme.The DO end of battery protection chip U1 is connected to the grid of switching tube M1, and the CO end of battery protection chip U1 is connected to the grid of switching tube M2, and the drain electrode of switching tube M1 connects the drain electrode of switching tube M2, and the source electrode of switching tube M1 connects the negative electrode of the first electric core B1; The VM end of battery protection chip U1 is connected to the source electrode of switching tube M2 by resistance R 2.Be connected to the two ends of the second electric core B2 after resistance R 3 and capacitor C 2 series connection; resistance R 3 is near the positive electricity end of the second electric core B2; the vdd terminal of battery protection chip U2 is connected the node of resistance R 3 and capacitor C 2 series connection, and the VSS of battery protection chip U2 holds the negative electricity that is connected the second electric core B2 extreme.The DO end of battery protection chip U2 is connected to the grid of switching tube M3, and the CO end of battery protection chip U2 is connected to the grid of switching tube M4, and the drain electrode of switching tube M3 connects the drain electrode of switching tube M4, and the source electrode of switching tube M3 connects the negative electrode of the second electric core B2; The VM end of battery protection chip U2 is connected to the source electrode of switching tube M4 by resistance R 4.One end of K switch 1 connects the positive electricity end of the first electric core B1, and the other end of K switch 1 connects the positive electricity end of the second electric core B2.One end of K switch 2 connects the source electrode of switching tube M3, and the other end of K switch 2 connects the positive electricity end of the second electric core B2.One end of K switch 3 connects the source electrode of switching tube M3, and the other end connects the source electrode of switching tube M4.The positive electricity end of the first electric core B1 is P+ end, and the source electrode of switching tube M4 is the P-end, and P+ and P-end all are connected to and discharge and recharge interface equipment 40 and fill.Switching tube M1, switching tube M2, switching tube M3, switching tube M4 are the NMOS pipe, and high level is controlled its conducting.
Among Fig. 3, K switch 2 closures, K switch 1 and K3 disconnect, and the such first electric core B1 and the second electric core B2 realize series connection; Just can charge to other batteries after the first electric core B1 and the second electric core B2 series connection.Among Fig. 4, K switch 2 disconnects, K switch 1 and K3 closure, and the such first electric core B1 and the second electric core B2 realize in parallel; Other external cells just can charge to the first electric core B1 and the second electric core B2.
During discharge, if if battery protection chip U1 detects battery to be crossed and put, DO holds output low level, and NMOS pipe M1 disconnects.During charging, if if battery protection chip U1 detects over-charging of battery, CO holds output low level, and NMOS pipe M1 disconnects.When VM held the electric current that detects in the circuit excessive, DO held output low level, and NMOS pipe M1 disconnects.Put, overcharge or during overcurrent, battery protection chip U2 is identical with battery protection chip U1 effect, repeats no more herein crossing.
In the present embodiment; move and carry power supply for convenience; portable power source also comprises protection circuit plate 19, the lower casing 1 of going up shell 11 and cooperating with last shell 11; the described first electric core B1 and the second electric core B2 are placed on shell 11 and lower casing 1; the electrode of the first electric core B1 and the second electric core B2 all is arranged on the protection circuit plate 19, and charging inlet equipment 40 is welded on the protection circuit plate 19 and with the electrode of the first electric core B1 and the second electric core B2 and is electrically connected.And last shell can fixed by snaply be connected with lower casing.
In the present embodiment, be provided with the 3rd insulating paper 12 between the two electric cores.The positive electrode place of the first electric core B1 is provided with the first compound nickel strap 13, the positive electrode place of the second electric core B2 is provided with the second compound nickel strap 14, the second compound nickel strap 14, be outside equipped with the anodal connecting band 17 of B2, the anodal connecting band 17 of B2 is outside equipped with the 4th insulating paper 16, the 4th insulating paper 16 outsides are provided with the anodal connecting band 15 of B1, and the anodal connecting band 15 of B1 is electrically connected with the positive electrode of the first electric core B1; The positive pole of the such first electric core B1 and the second electric core B2 is just drawn by the anodal connecting band 17 of B2 and the anodal connecting band 15 of B1.
The negative electrode place that the negative electrode place of the first electric core B1 is provided with first pad 9, the second electric core B2 that exposes negative electrode is provided with second pad 8 that exposes negative electrode; The second electric core B2 end is provided with second insulating paper 7; The negative electrode place of the second electric core B2 is provided with B2 negative pole connecting band 6, and B2 negative pole connecting band 6 outsides are provided with first insulating paper, 5, the first insulating papers, 5 outsides and are provided with B1 negative pole connecting band 4, and B1 negative pole connecting band 4 is electrically connected with the negative electrode of the first electric core B1.The negative pole of the such first electric core B1 and the second electric core B2 is just by B1 negative pole connecting band 4 and B2 negative pole connecting band 6.
Fig. 6 to Fig. 8 is the utility model portable power source package assembly procedure chart; After bending, four electrode connecting bands after drawing form shape as shown in Figure 7.Electrode with four connecting bands is welded to protection circuit plate 19 then; As shown in Figure 8.And then be assembled in the lower casing 1, apply glue 2 in the groove on lower casing 1 sidewall, cover shell 11 again, last shell 11 is clasped with lower casing 1, finishes assembling.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. a portable power source is characterized in that, comprising: the first electric core and the second electric core, but the described first electric core and the second electric core serial or parallel connection, and the idle end of two electric cores is connected to and discharges and recharges interface equipment behind the serial or parallel connection; The described first electric core and the second electric core are the ferric phosphate lithium cell.
2. according to the described portable power source of claim 1, it is characterized in that the described interface equipment that discharges and recharges is USB interface.
3. portable power source according to claim 1 is characterized in that, the described first electric core and the second electric core are realized series connection or in parallel by toggle switch.
4. according to each described portable power source of claim 1-3, it is characterized in that described portable power source comprises also and electric core protective circuit one to one that described protective circuit is connected in parallel on the two ends of respective electrical core.
5. according to each described portable power source of claim 1-3; it is characterized in that; described portable power source also comprises protection circuit plate, the lower casing of going up shell and cooperating with last shell; the described first electric core and the second electric core are placed between shell and the lower casing; the electrode of the first electric core and the second electric core all is arranged on the protection circuit plate, and charging inlet equipment is welded on the protection circuit plate and with the electrode of the first electric core and the second electric core and is electrically connected.
6. portable power source according to claim 5 is characterized in that, the described shell of going up is connected with lower casing is fixed by snap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634886 CN203166552U (en) | 2012-11-27 | 2012-11-27 | Mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220634886 CN203166552U (en) | 2012-11-27 | 2012-11-27 | Mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166552U true CN203166552U (en) | 2013-08-28 |
Family
ID=49027712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220634886 Expired - Fee Related CN203166552U (en) | 2012-11-27 | 2012-11-27 | Mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166552U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487742A (en) * | 2013-10-09 | 2014-01-01 | 惠州市蓝微电子有限公司 | Test circuit for single lithium battery protection board |
| CN103746424A (en) * | 2014-01-08 | 2014-04-23 | 厦门市福隆源电子科技有限公司 | Application of lithium iron phosphate battery in mobile power supply |
| CN103746423A (en) * | 2014-01-08 | 2014-04-23 | 厦门市福隆源电子科技有限公司 | Novel mobile power supply and preparing method thereof |
| WO2016150250A1 (en) * | 2015-03-23 | 2016-09-29 | 百特通发展（香港）有限公司 | Battery system and power supply equipment comprising same |
-
2012
- 2012-11-27 CN CN 201220634886 patent/CN203166552U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487742A (en) * | 2013-10-09 | 2014-01-01 | 惠州市蓝微电子有限公司 | Test circuit for single lithium battery protection board |
| CN103487742B (en) * | 2013-10-09 | 2016-04-27 | 惠州市蓝微电子有限公司 | A kind of test circuit for single lithium battery protection board |
| CN103746424A (en) * | 2014-01-08 | 2014-04-23 | 厦门市福隆源电子科技有限公司 | Application of lithium iron phosphate battery in mobile power supply |
| CN103746423A (en) * | 2014-01-08 | 2014-04-23 | 厦门市福隆源电子科技有限公司 | Novel mobile power supply and preparing method thereof |
| WO2016150250A1 (en) * | 2015-03-23 | 2016-09-29 | 百特通发展（香港）有限公司 | Battery system and power supply equipment comprising same |
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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: 20130828 Termination date: 20161127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |