CN102709963A - Standby power supply device - Google Patents

Standby power supply device Download PDF

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Publication number
CN102709963A
CN102709963A CN2012101429369A CN201210142936A CN102709963A CN 102709963 A CN102709963 A CN 102709963A CN 2012101429369 A CN2012101429369 A CN 2012101429369A CN 201210142936 A CN201210142936 A CN 201210142936A CN 102709963 A CN102709963 A CN 102709963A
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China
Prior art keywords
interface
portable terminal
switch
control circuit
spare cell
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CN2012101429369A
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Chinese (zh)
Inventor
夏新球
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Beijing Xiaomi Technology Co Ltd
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Beijing Xiaomi Technology Co Ltd
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Priority to CN2012101429369A priority Critical patent/CN102709963A/en
Publication of CN102709963A publication Critical patent/CN102709963A/en
Pending legal-status Critical Current

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Abstract

The embodiment of the invention provides a standby power supply device. The standby power supply device comprises a stand-by battery assembled in a mobile terminal protective sleeve and a stand-by battery control circuit, wherein the stand-by battery control circuit is used for receiving a mobile terminal charge instruction and can control the stand-by battery to charge a battery of a mobile terminal. The standby power supply device carry is convenient to carry, and the battery charge of the mobile terminal is very simple.

Description

A kind of standby power supply device
Technical field
The invention belongs to technical field of mobile terminals, relate in particular to a kind of standby power supply device.
Background technology
Present intelligent mobile terminal (for example smart mobile phone, panel computer etc.) is more and more general; Also be tending towards simultaneously the higher processor of frequency of utilization; So that satisfy various portable terminal demands of applications, like this, the battery of portable terminal has just become a factor that influences user experience.If portable terminal itself uses jumbo battery, will cause the big and thickening of portable terminal size.And if consider and use the lower battery of relative electric weight, will cause reduce the service time of portable terminal, influence user's use.
Therefore be contradiction the service time of portable terminal size and portable terminal always; For example on the market a lot of very ultra-thin portable terminals are really arranged now; But battery capacity is all lower comparatively speaking, if the time of playing games and making a phone call is longer, just needs often charging.In order not influence use, it is subsequent use that the user who has also can carry reserve battery, gets off changing and could normal using but need dismantle former packed battery for reserve battery, therefore uses very inconveniently.
Even if the product of portable power source has also appearred in present in addition market; Though need not change the battery of portable terminal just can charge to it; But the size of portable power source is also bigger; But also need carry at any time, charge when hanging down, so carry pretty troublesome in order to battery capacity of mobile terminal.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of standby power supply device, easy to carry, charging is simple.
For realizing above-mentioned purpose; The present invention provides a kind of standby power supply device; Comprise the reserve battery and the spare cell control circuit that are assemblied in the portable terminal protective sleeve; Said spare cell control circuit is used for after receiving the portable terminal charging instruction, and the control reserve battery charges to the battery of portable terminal.
Preferably, said spare cell control circuit comprises: discharge circuit, processor, diverter switch and electric energy output interface;
Said discharge circuit links to each other with reserve battery, and links to each other with electric energy output interface through diverter switch, and said electric energy output interface is used for linking to each other with the charging inlet of portable terminal;
Said processor is used for after receiving the portable terminal charging instruction, connecting said diverter switch, and the control discharge circuit with the power delivery of reserve battery to said electric energy output interface, and charge to battery of mobile terminal through the portable terminal charging inlet; After receiving that battery of mobile terminal is full of the instruction of electricity, cut off diverter switch, and the control discharge circuit stops to said electric energy output interface transmission of electric energy.
Preferably, said spare cell control circuit also comprises: external charge device interface, detection loop, unidirectional control loop; Said diverter switch comprises first switch and the second switch of series connection, and said discharge circuit is specially charge-discharge circuit;
Said external charge device interface links to each other with the common port of first switch and second switch through unidirectional control loop; The other end of said first switch links to each other with electric energy output interface; The other end of said second switch links to each other with said charge-discharge circuit, and the control end of said first switch and second switch links to each other with processor;
Said testing circuit is used for the change in voltage through said external charge device interface, and whether detect has the external charge device to insert, when having detected the insertion of external charge device, and notification processor;
Said processor also is used for when receiving the notice of external charger insertion; Control first switch connection; The control second switch breaks off, so that the electric energy of external charge device input charges to battery of mobile terminal directly through the charging inlet of said electric energy output interface and portable terminal; And after receiving that battery of mobile terminal has been full of the signal of electricity by the external charge device; Controlling first switch breaks off; The control second switch is connected so that the electric energy of external charge device input charges to reserve battery through charge-discharge circuit, treat that the reserve battery charging is accomplished after; Connect first switch, break off second switch.
Preferably, said standby power supply device also comprises the growth data interface of independent setting and the matched data interface of the independent setting that links to each other with the growth data interface, said matched data interface be used for portable terminal on data-interface link to each other.
Preferably; Said standby power supply device also comprises the growth data interface and the matched data interface that links to each other with the growth data interface of independent setting; Said matched data interface be used for portable terminal on data-interface link to each other, the electric energy output interface of said matched data interface and spare cell control circuit is integrated to be arranged in the coupling USB interface.
Preferably, said standby power supply device also comprises growth data interface and the matched data interface that links to each other with the growth data interface, said matched data interface be used for portable terminal on data-interface link to each other,
The electric energy output interface of said matched data interface and spare cell control circuit is integrated to be arranged in the coupling USB interface integrated being arranged in the expanding USB interface of external charge device interface of said growth data interface and spare cell control circuit.
Preferably, said spare cell control circuit also comprises the manual trigger switch that links to each other with processor, is used for sending the portable terminal charging instruction to processor.
Preferably; Said spare cell control circuit also comprises the antenna that links to each other with processor; Said portable terminal charging instruction is that the antenna through said spare cell control circuit receives; Said portable terminal charging instruction is that the mobile terminal processor in portable terminal receives that battery capacity of mobile terminal crosses when low, goes out through the antenna transmission of portable terminal.
Preferably, the mode of transmission portable terminal charging instruction comprises bluetooth, WIFI or Zigbee between the antenna of the antenna of said portable terminal and spare cell control circuit.
Preferably; Said spare cell control circuit also comprises communication loop; Said communication loop is used for receiving the portable terminal charging instruction of sending from portable terminal from the matched data interface; And it is issued processor, and said portable terminal charging instruction is that the mobile terminal processor in portable terminal receives that battery capacity of mobile terminal crosses when low, the data-interface through portable terminal sends out
According to the embodiment of the invention, the protective sleeve that need not dismantle portable terminal just can directly charge to portable terminal, and charging process is very simple, and easy to carry.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sketch map of a kind of embodiment of the spare cell control circuit among the present invention;
The sketch map of the another kind of embodiment of the spare cell control circuit among Fig. 2 among the present invention;
The sketch map of the another kind of embodiment of the spare cell control circuit among Fig. 3 among the present invention;
The sketch map of the another kind of embodiment of the spare cell control circuit among Fig. 4 among the present invention;
The sketch map of the another kind of embodiment of the spare cell control circuit among Fig. 5 among the present invention;
The sketch map of the another kind of embodiment of the spare cell control circuit among Fig. 6 among the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of standby power supply device, and this device comprises reserve battery and spare cell control circuit, and wherein reserve battery and spare cell control circuit are assemblied in the protective sleeve of portable terminal.Spare cell control circuit is used for after receiving the portable terminal charging instruction, and the control reserve battery charges to the battery of portable terminal.
In reality, portable terminal is put protective sleeve, even the thickness of complete machine has certain increase, but yet can be more acceptant, do not bring because the increase of thickness is the factor of portable terminal itself, and this protective sleeve also plays the certain protection effect.
The standby power supply device that provides in the embodiment of the invention is assemblied in reserve battery and spare cell control circuit in the portable terminal protective sleeve, can not cause the increase of the thickness of portable terminal own, and easy acceptance by users, and it is also convenient to carry.
In addition, after receiving charging instruction, need not dismantle bonnet, the protective sleeve that also need not dismantle portable terminal just can directly charge to portable terminal, and charging process is very convenient.
In reality, realize that the spare cell control circuit of above-mentioned purpose has a variety of concrete forms, below specify the concrete realization of these spare cell control circuits with several typical examples.
Embodiment one
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 1 shows a kind of embodiment of spare cell control circuit provided by the invention.As shown in Figure 1, the spare cell control circuit 10 among this embodiment comprises discharge circuit 24, processor 21, diverter switch 154 and electric energy output interface 121.Discharge circuit 24 links to each other with reserve battery 25, and links to each other with electric energy output interface 121 through diverter switch 154.Electric energy output interface 121 is used for linking to each other with the charging inlet 311 of mobile phone.
Processor 21 is used for after receiving the cell-phone charging instruction, connecting diverter switch 154, and control discharge circuit 24 charges for battery of mobile phone 33.
After receiving that battery of mobile phone is full of the instruction of electricity, processor 21 cuts off diverter switch 154, and control discharge circuit 24 stops to electric energy output interface 121 transmission of electric energy.
In fact, the cell-phone charging instruction that the processor 21 in the spare cell control circuit 10 receives can produce through manual mode, also can be produced automatically by the state of mobile phone 30 according to battery.
When cell-phone charging instruction is when producing through manual mode, in spare cell control circuit 10, manual trigger switch 16 can be set, this manual trigger switch 16 is used for sending the cell-phone chargings instruction to processor 21.When the user need utilize reserve battery 25 to charge to the battery 33 in the mobile phone, can manually send the cell-phone chargings instruction to processor 21 through trigger switch 16.
When cell-phone charging instruction is when producing automatically through mobile phone, stand-by circuit control circuit 10 can receive the cell-phone charging instruction through wired or wireless mode.
Also show especially among Fig. 1 and in spare cell control circuit, be provided with antenna 26, this antenna 26 links to each other with processor 21.In mobile phone 30, also be provided with antenna 34.Cell-phone charging instruction is sent through its antenna 34 by mobile phone, and after spare cell control circuit 10 receives this cell-phone charging instruction through its antenna 26, sends it in the processor 21.And the mode of transmitting cell-phone charging instruction comprises bluetooth, WIFI or Zigbee etc. between the antenna 26 of the antenna 34 of mobile phone and spare cell control circuit 10.
When cell-phone charging instructs is when sending to spare cell control circuit 10 through wired mode, and mobile phone 30 can send to processor 21 through the data-interface (not shown) of mobile phone 30, the data-interface that is arranged on spare cell control circuit 10 and communication loop (not shown) with the cell-phone charging instruction.
Above-mentioned mobile phone 30 produce the cell-phone chargings instruction can be the dump energy of battery of mobile phone 33 according to the running status of battery of mobile phone 33; Find when handset processes device 32 that the dump energy of batteries of mobile phone 33 is crossed and to produce the cell-phone charging instruction when low, and issue spare cell control circuit 10 through wired or wireless mode.In reality, the dump energy of the battery detecting application program detection of handset battery 33 that handset processes device 32 can be through operating to the mobile phone independent installation.
Embodiment two
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 2 is the sketch map of the another kind of structure of spare cell control circuit provided by the invention.Be with the difference of spare cell control circuit among Fig. 1, also increased the data communication part in the spare cell control circuit in the present embodiment.
Particularly; Referring to Fig. 2; Spare cell control circuit in the present embodiment also comprises the growth data interface 112 and the matched data interface 122 that is provided with separately of independent setting except the structure shown in Fig. 1, wherein matched data interface 122 links to each other with growth data interface 112.Matched data interface 122 links to each other with data-interface 312 on the mobile phone 30.
In embodiment one; During mobile phone protective cover on cell-phone cover among the present invention; Can normally use the data-interface of mobile phone for the user; For example import data into to mobile phone inside, need mobile phone protective cover to reserve penetrating zone, so that External cable is inserted in the data in mobile phone interface in the corresponding position of data in mobile phone interface through connection cable.And for data in mobile phone interface 312 good switching scheme is provided on the spare cell control circuit that proposes in the present embodiment two; Outside connecting line can insert the growth data interface 112 on the spare cell control circuit in the mobile phone protective cover, can finally realize and mobile phone between transfer of data.
In addition, among the embodiment, in order to make full use of matched data interface 122, in spare cell control circuit 10, also increased order circuit 23 shown in figure 2, these order circuit 23 1 ends link to each other with matched data interface 122, and the other end links to each other with processor 21.This order circuit 23 can be accomplished communicating by letter of wired form between the processor 21 of mobile phone 30 and spare cell control circuit 10.For example, mobile phone 30 can be sent to the cell-phone charging instruction in the spare cell control circuit 10 through the data-interface 312 of mobile phone and the matched data interface 122 of spare cell control circuit 10.Order circuit 23 sends to processor 21 after matched data interface 122 receives this cell-phone charging instruction.
In addition, the battery of mobile phone instruction that is full of electricity also can be processed device loop 21 through above-mentioned order circuit 23 and receives.
Embodiment three
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 3 shows another embodiment of spare cell control circuit provided by the invention, and the spare cell control circuit among this embodiment and the difference of the spare cell control circuit among Fig. 2 are: matched data interface and integrated being arranged on of electric energy output interface are mated in the USB interface.As shown in Figure 3, in the spare cell control circuit among this embodiment, matched data interface and electric energy output interface are integrated in the coupling usb 12.Correspondingly, in mobile phone 30, the charging inlet of data in mobile phone interface and mobile phone also is integrated on the mobile phone USB interface 31.
But in the present embodiment, the growth data interface 112 in the spare cell control circuit 10 remains independent setting.
Embodiment four
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 4 is the sketch map of the another kind of structure of the spare cell control circuit among the present invention.The difference of the spare cell control circuit among present embodiment and Fig. 1 mainly is: in spare cell control circuit, increased the circuit part that cooperates with the external charge device, and diverter switch is divided into first switch and the second switch of two series connection.
Particularly, the spare cell control circuit in the present embodiment specifically comprises: external charge device interface 111, detection loop 22, unidirectional control loop 13, first switch 14 and second switch 15, charge-discharge circuit 24, processor 21 and electric energy output interface 121.
Charge-discharge circuit 24 links to each other with reserve battery 25, and links to each other with electric energy output interface 121 with second switch 15 through first switch 14.Electric energy output outgoing interface 121 is used for linking to each other with the charging inlet 311 of mobile phone.The control end of first switch 14 and second switch 15 all links to each other with processor 21.
External charge device interface 111 links to each other with the common port of first switch 14 and second switch 15 through unidirectional control loop 13, and the other end of first switch 14 links to each other with electric energy output interface 121, and the other end of second switch 15 links to each other with charge-discharge circuit 24.
Detect loop 22 1 ends and link to each other with external charge device interface 111, the other end links to each other with processor 21.
Whether detect loop 22 and be used for the change in voltage through external charge device interface, detecting has the external charge device to be inserted on this external charge device interface 111, when having detected the insertion of external charge device, and notification processor 21.For example, when external charge device output voltage is 5V, then detects voltage that loop 22 can be through external charge device interface 111 and whether become 5V, and then judged whether that the external charge device inserts by 0.
Processor 21 is used for when receiving the notice of external charge device insertion; Controlling first switch 14 connects; Control second switch 15 breaks off, and the electric energy of external charge device output will directly pass through the charging inlet 311 of electric energy output interface 121 and mobile phone like this, to battery of mobile phone 33 chargings.When battery of mobile phone 33 was full of electricity by the electric energy of external charge device input, the handset processes device 32 in the mobile phone 30 can send the signal that mobile phone has been full of electricity by the processor 21 in spare cell control circuit 10.Processor 21 can receive this signal through wired mode.
Processor 21 receive the external charge device battery of mobile phone 33 has been full of the electricity signal after; Controlling first switch 14 breaks off; Second switch 15 is connected so that the electric energy of external charge device input gives reserve battery 25 chargings through charge-discharge circuit 24, treat that reserve battery 25 chargings are accomplished after; Connect first switch 14, break off second switch 15.
In addition; Processor 21 also is used for after receiving the cell-phone charging instruction; Connect first switch 14 and second switch 15, and control charge-discharge circuit 24 with the power delivery of reserve battery 33 to electric energy output interface 121, and charge to battery of mobile phone 33 through mobile phone charging interface 311; After receiving that battery of mobile phone 33 is full of the instruction of electricity, break off second switch 15, connect first switch 14, and control charge-discharge circuit 24 stops to electric energy output interface 121 transmission of electric energy.
In the present embodiment, connect first switch 14 and can be called a kind of default conditions with disconnection second switch 15.Described and can be known by preceding text, after the external charge device all was full of electricity for battery of mobile phone 33 and reserve battery 25, processor 21 can get into default conditions with second switch 15 by control first switch 14; After reserve battery 25 was full of electricity for battery of mobile phone 33, processor 21 also can be controlled first switch 14 and get into default conditions with second switch 15.Under this default conditions; If when having the external charge device to be inserted in the external charge device interface 111; Can directly charge to battery of mobile phone; Need not carry out other operations, just as spare cell control circuit 10 does not exist, the process of charging is more directly given the process of charging mobile phone battery as the common external charge device that utilizes.
Similar with the reception approach of cell-phone charging among the embodiment one instruction; The cell-phone charging instruction that processor 21 in the spare cell control circuit 10 in the present embodiment receives can produce through manual mode, also can be produced automatically by the state of mobile phone 30 according to battery.
When cell-phone charging instruction is when producing through manual mode, in spare cell control circuit 10, manual trigger switch 16 can be set, this manual trigger switch 16 is used for sending the cell-phone chargings instruction to processor 21.When the user need utilize reserve battery 25 to charge to the battery 33 in the mobile phone, can manually send the cell-phone chargings instruction to processor 21 through trigger switch 16.
When cell-phone charging instruction is when producing automatically through mobile phone, stand-by circuit control circuit 10 can receive the cell-phone charging instruction through wired or wireless mode.
Also show the antenna 26 that in spare cell control circuit, is provided with among Fig. 4 especially, this antenna 26 links to each other with processor 21.In mobile phone 30, also be provided with antenna 34.Cell-phone charging instruction is sent through its antenna 34 by mobile phone, and after spare cell control circuit 10 receives this cell-phone charging instruction through its antenna 26, sends it in the processor 21.And the mode of transmitting cell-phone charging instruction comprises bluetooth, WIFI or Zigbee etc. between the antenna 34 of the antenna 34 of mobile phone and spare cell control circuit 10.
When cell-phone charging instruction is when sending to spare cell control circuit 10 through wired mode, mobile phone 30 can send to processor 21 with data-interface (not shown) and the data-interface and the communication loop (not shown) that are arranged on spare cell control circuit 10 of cell-phone charging instruction through mobile phone 30.
Above-mentioned mobile phone 30 produce the cell-phone chargings instruction can be the dump energy of battery of mobile phone 33 according to the running status of battery of mobile phone 33; Find when handset processes device 32 that the dump energy of batteries of mobile phone 33 is crossed and to produce the cell-phone charging instruction when low, and issue spare cell control circuit 10 through wired or wireless mode.
Need to prove; The effect of unidirectional control loop 13 is to control electric energy and can only flows to first switch 14 and second switch 15 directions from external charge device interface 111; Can prevent like this when reserve battery charges for battery of mobile phone 33, also can cause the voltage of external charge device interface 111 to raise, prevent the situation of detection loop 22 erroneous judgements that causes thus for there being external charger to insert.
Embodiment five
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 5 shows another embodiment of spare cell control circuit provided by the invention, and the spare cell control circuit among this embodiment and the difference of the spare cell control circuit among Fig. 4 are: also increased the data communication part in the spare cell control circuit in the present embodiment.
Particularly; Referring to Fig. 5; Spare cell control circuit in the present embodiment also comprises the growth data interface 112 and the matched data interface 122 that is provided with separately of independent setting except the structure shown in Fig. 4, wherein matched data interface 122 links to each other with growth data interface 112.Matched data interface 122 links to each other with data-interface 312 on the mobile phone 30.
In embodiment four; During mobile phone protective cover on cell-phone cover among the present invention; Can normally use the data-interface of mobile phone for the user; For example import data into to mobile phone inside, need mobile phone protective cover to reserve penetrating zone, so that External cable is inserted in the data in mobile phone interface in the corresponding position of data in mobile phone interface through connection cable.And for data in mobile phone interface 312 good switching scheme is provided on the spare cell control circuit that proposes in the present embodiment two; Outside connecting line can insert the growth data interface 112 on the spare cell control circuit in the mobile phone protective cover, can finally realize and mobile phone between transfer of data.
In addition, in the embodiment shown in Fig. 5, in order to make full use of matched data interface 122, in spare cell control circuit 10, also increased order circuit 23, these order circuit 23 1 ends link to each other with matched data interface 122, and the other end links to each other with processor 21.This order circuit 23 can be accomplished communicating by letter of wired form between the processor 21 of mobile phone 30 and spare cell control circuit 10.For example, mobile phone 30 can be sent to the cell-phone charging instruction in the spare cell control circuit 10 through the data-interface 312 of mobile phone and the matched data interface 122 of spare cell control circuit 10.Order circuit 23 sends to processor 21 after matched data interface 122 receives this cell-phone charging instruction.
In addition, the battery of mobile phone instruction that is full of electricity also can be processed device loop 21 through above-mentioned order circuit 23 and receives.
Embodiment six
Might as well be that mobile phone is that example describes with the portable terminal in the present embodiment.Fig. 6 shows another embodiment of spare cell control circuit provided by the invention, and the spare cell control circuit among this embodiment and the difference of the spare cell control circuit among Fig. 5 are: matched data interface and integrated being arranged on of electric energy output interface are mated in the USB interface; With the growth data interface with the external charger interface is integrated is arranged in the expanding USB interface.
As shown in Figure 6, in the spare cell control circuit among this embodiment, matched data interface and electric energy output interface are integrated in the coupling usb 12, and expansion interface and external charger interface are integrated in the expanding USB interface 11.Correspondingly, in mobile phone 30, the charging inlet of data in mobile phone interface and mobile phone also is integrated on the mobile phone USB interface 31.
Need to prove that the spare cell control circuit in the foregoing description one to embodiment six is that example describes with the mobile phone, those skilled in the art should be understood that above-mentioned spare cell control circuit also is suitable for for the portable terminal of other types.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (10)

1. standby power supply device; It is characterized in that; Comprise the reserve battery and the spare cell control circuit that are assemblied in the portable terminal protective sleeve, said spare cell control circuit is used for after receiving the portable terminal charging instruction, and the control reserve battery charges to the battery of portable terminal.
2. standby power supply device according to claim 1 is characterized in that, said spare cell control circuit comprises: discharge circuit, processor, diverter switch and electric energy output interface;
Said discharge circuit links to each other with reserve battery, and links to each other with electric energy output interface through diverter switch, and said electric energy output interface is used for linking to each other with the charging inlet of portable terminal;
Said processor is used for after receiving the portable terminal charging instruction, connecting said diverter switch, and the control discharge circuit with the power delivery of reserve battery to said electric energy output interface, and charge to battery of mobile terminal through the portable terminal charging inlet; After receiving that battery of mobile terminal is full of the instruction of electricity, cut off diverter switch, and the control discharge circuit stops to said electric energy output interface transmission of electric energy.
3. standby power supply device according to claim 2 is characterized in that, said spare cell control circuit also comprises: external charge device interface, detection loop, unidirectional control loop; Said diverter switch comprises first switch and the second switch of series connection, and said discharge circuit is specially charge-discharge circuit;
Said external charge device interface links to each other with the common port of first switch and second switch through unidirectional control loop; The other end of said first switch links to each other with electric energy output interface; The other end of said second switch links to each other with said charge-discharge circuit, and the control end of said first switch and second switch links to each other with processor;
Said testing circuit is used for the change in voltage through said external charge device interface, and whether detect has the external charge device to insert, when having detected the insertion of external charge device, and notification processor;
Said processor also is used for when receiving the notice of external charger insertion; Control first switch connection; The control second switch breaks off, so that the electric energy of external charge device input charges to battery of mobile terminal directly through the charging inlet of said electric energy output interface and portable terminal; And after receiving that battery of mobile terminal has been full of the signal of electricity by the external charge device; Controlling first switch breaks off; The control second switch is connected so that the electric energy of external charge device input charges to reserve battery through charge-discharge circuit, treat that the reserve battery charging is accomplished after; Connect first switch, break off second switch.
4. according to claim 2 or 3 described standby power supply devices; It is characterized in that; Said standby power supply device also comprises the growth data interface of independent setting and the matched data interface of the independent setting that links to each other with the growth data interface, said matched data interface be used for portable terminal on data-interface link to each other.
5. according to claim 2 or 3 described standby power supply devices; It is characterized in that; Said standby power supply device also comprises the growth data interface and the matched data interface that links to each other with the growth data interface of independent setting; Said matched data interface be used for portable terminal on data-interface link to each other, the electric energy output interface of said matched data interface and spare cell control circuit is integrated to be arranged in the coupling USB interface.
6. standby power supply device according to claim 3; It is characterized in that; Said standby power supply device also comprises growth data interface and the matched data interface that links to each other with the growth data interface, said matched data interface be used for portable terminal on data-interface link to each other
The electric energy output interface of said matched data interface and spare cell control circuit is integrated to be arranged in the coupling USB interface integrated being arranged in the expanding USB interface of external charge device interface of said growth data interface and spare cell control circuit.
7. according to any described standby power supply device in the claim 1 to 6, it is characterized in that said spare cell control circuit also comprises the manual trigger switch that links to each other with processor, be used for sending the portable terminal charging instruction to processor.
8. according to any described standby power supply device in the claim 1 to 6; It is characterized in that; Said spare cell control circuit also comprises the antenna that links to each other with processor; Said portable terminal charging instruction is that the antenna through said spare cell control circuit receives, and said portable terminal charging instruction is that the mobile terminal processor in portable terminal receives that battery capacity of mobile terminal crosses when low, goes out through the antenna transmission of portable terminal.
9. standby power supply device according to claim 8 is characterized in that, the mode of transmission portable terminal charging instruction comprises bluetooth, WIFI or Zigbee between the antenna of said portable terminal and the antenna of spare cell control circuit.
10. according to any described standby power supply device in the claim 4 to 6; It is characterized in that; Said spare cell control circuit also comprises communication loop, and said communication loop is used for receiving the portable terminal charging instruction of sending from portable terminal from the matched data interface, and it is issued processor; Said portable terminal charging instruction is that the mobile terminal processor in portable terminal receives that battery capacity of mobile terminal crosses when low, and the data-interface through portable terminal sends out.
CN2012101429369A 2012-05-07 2012-05-07 Standby power supply device Pending CN102709963A (en)

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CN104505551A (en) * 2014-12-15 2015-04-08 广东欧珀移动通信有限公司 Charging method and charging circuit of wearable device
CN105186615A (en) * 2015-09-18 2015-12-23 张亚鹏 Intelligent power supply module
CN105704313A (en) * 2016-01-21 2016-06-22 四川长虹电器股份有限公司 Cellphone peripheral equipment system with function of communication
CN106356955A (en) * 2016-11-08 2017-01-25 唐志海 Electronic equipment charging control method of smart base and smart base thereof
CN106787262A (en) * 2016-12-29 2017-05-31 湖南国科微电子股份有限公司 Wireless charging device and its charging method
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CN111193297A (en) * 2018-11-15 2020-05-22 华硕电脑股份有限公司 Standby power supply device and operation method thereof
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Application publication date: 20121003