CN202190103U - Protective jacket enabling handheld device to realize back discharge - Google Patents
Protective jacket enabling handheld device to realize back discharge Download PDFInfo
- Publication number
- CN202190103U CN202190103U CN2011202949164U CN201120294916U CN202190103U CN 202190103 U CN202190103 U CN 202190103U CN 2011202949164 U CN2011202949164 U CN 2011202949164U CN 201120294916 U CN201120294916 U CN 201120294916U CN 202190103 U CN202190103 U CN 202190103U
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- Prior art keywords
- protective sleeve
- charging
- connector
- hand
- held device
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A protective jacket enabling a handheld device to realize back discharge comprises a protective jacket battery capable of being charged and discharged, a first connector, a corresponding charging connector, a two-way DC-DC (direct current to direct current) converter, a charging and discharging controller, a second connector and a charging and discharging selection switch. The handheld device is provided with a charging connector and rechargeable batteries. The corresponding charging connector is butted with the charging connector, the DC-DC converter is provided with a DC-DC voltage step-up and step-down module, the charging and discharging controller with an overload preventive circuit is electrically connected to the two-way DC-DC converter, the first connector and the two-way DC-DC converter are respectively electrically connected to a positive electrode of the protective jacket battery, the charging and discharging controller is electrically connected to the negative electrode of the protective jacket battery through the corresponding charging connector, the second connector is electrically connected with the two-way DC-DC converter, and the charging and discharging selection switch is electrically connected to the charging and discharging controller. By means of selection of the charging and discharging selection switch, the charging and discharging controller controls the protective jacket battery and one or two of the rechargeable batteries to discharge externally or to charge the rechargeable batteries internally by the aid of the two-way DC-DC converter.
Description
Technical field
The utility model is about a kind of hand-held device protective sleeve, is meant a kind of protective sleeve that lets the hand-held device back discharge especially.
Background technology
Progress along with science and technology; More and more many hand-held devices (or claiming portable electric device) person of being used carries use; The mobile phone of for example going out, can carry when travelling, digital camera, digital camera, guider, mobile computer etc.; And those hand-held devices all have its exclusive rechargeable battery and charger, to be come rechargeable battery is charged by charger when the power shortage.
Only, those hand-held devices all have its independently power-supply system, and when one of them that causes said hand-held device there was not electricity, can't let still had other hand-held device of electric power that the electric power support is provided.
Moreover, because non-two, three kind of the hand-held device of going out, can carrying when travelling (as above-mentioned) must be with various charger comparatively speaking; If add 110/220V (Volt; Be called for short V, in translate: the different plug of transducer and various countries volt), then obviously more trouble and inconvenience.
Therefore, how to design a kind of the utility model that overcomes above-mentioned difficulties, be a big problem of solution that the utility model is desired most ardently.
The utility model content
The purpose of the utility model is to provide a kind of protective sleeve that lets the hand-held device back discharge, to improve the defective that exists in the known technology.
For realizing above-mentioned purpose, the protective sleeve of the let hand-held device back discharge that the utility model provides, this hand-held device have a charge connector and a rechargeable battery that is electrically connected each other, and this protective sleeve comprises:
A pair of inductive charging connector electrically butts up against the charge connector of this hand-held device;
One protective sleeve battery is the battery that can discharge and recharge;
One first connector;
One bidirectional DC-DC converter has a DC-DC step-up/step-down circuit module;
One charging-discharging controller; Has the overload preventing circuit module; This charging-discharging controller is electrically connected at this bidirectional DC-DC converter; And this first connector is anodal with the electricity that this bidirectional DC-DC converter also is electrically connected at this protective sleeve battery respectively, and this charging-discharging controller then is electrically connected at the negative electrode of this protective sleeve battery via said corresponding charge connector;
One second connector is electrically connected at this bidirectional DC-DC converter; And
One discharges and recharges selector switch; Be electrically connected at this charging-discharging controller; Discharge and recharge the selection of selector switch via this; One of them of this this protective sleeve battery of charging-discharging controller control and this rechargeable battery externally discharged via this bidirectional DC-DC converter, and this charging-discharging controller also can be controlled this protective sleeve battery and via this bidirectional DC-DC converter said rechargeable battery internally charged.
The said protective sleeve that lets the hand-held device back discharge, wherein this first connector has anti-wrong design with this second connector.
The said protective sleeve that lets the hand-held device back discharge, wherein this first connector is micro USB (Micro USB) with this second connector.
The said protective sleeve that lets the hand-held device back discharge, wherein this charging-discharging controller has a restricting circuits module, and restriction is the degree of discharge externally.
The said protective sleeve that lets the hand-held device back discharge, wherein this restricting circuits module is the current flow policer.
The said protective sleeve that lets the hand-held device back discharge, wherein this restricting circuits module is a timer.
The said protective sleeve that lets the hand-held device back discharge, wherein this bidirectional DC-DC converter is by its voltage height when discharging and recharging of its DC-DC step-up/step-down circuit module adjustment.
The utility model can let the circuit member of hand-held device back discharge by in protective sleeve, being provided with, with when urgent can with the electric power of self hand-held device via said protective sleeve back discharge give the another hand-held device.
Include the protective sleeve battery in the circuit member of the let hand-held device back discharge of the utility model,, and have more convenient effect with also can the rechargeable battery that be placed in the hand-held device in the protective sleeve be charged (that is: internally charging).
Description of drawings
Fig. 1 is the sketch map before ccontaining between the utility model protective sleeve and the hand-held device.
Fig. 2 for the utility model according to the 1st sketch map of scheming after ccontaining.
Fig. 3 is placed in the sketch map that another hand-held device is given in discharge for the protection that the utility model is equipped with hand-hold device.
Sketch map when two protective sleeves that Fig. 4 respectively is equipped with hand-hold device for the utility model therebetween discharge and recharge.
Fig. 5 A～Fig. 5 D is four kinds of embodiment circuit diagrams of the bidirectional DC-DC converter in the utility model protective sleeve.
Primary clustering symbol description in the accompanying drawing:
100,100a protective sleeve; 1 corresponding charge connector; 2 bidirectional DC-DC converters; 21DC-DC step-up/step-down circuit module; 3 charging-discharging controllers; 31 overload preventing circuit modules; 32 restricting circuits modules; 4 first connectors; 5 second connectors; 6 discharge and recharge selector switch; 7 protective sleeve batteries; 800,800a hand-held device; 8 rechargeable batteries; 81 charge connectors.
Embodiment
The utility model provides a kind of protective sleeve that lets the hand-held device back discharge; This hand-held device has the rechargeable battery that a charge connector and that is electrically connected each other is electrically connected at this charge connector, and this protective sleeve comprises: the protective sleeve battery that a pair of inductive charging connector, can discharge and recharge, one first connector, a bidirectional DC-DC converter, a charging-discharging controller, one second connector and discharge and recharge selector switch.Wherein, this correspondence charge connector can electrically butt up against the charge connector of this hand-held device; This bidirectional DC-DC converter has a DC-DC step-up/step-down circuit module; This charging-discharging controller has the overload preventing circuit module; This charging-discharging controller is electrically connected at this bidirectional DC-DC converter; And this first connector and this bidirectional DC-DC converter also also are electrically connected at the electric anodal corresponding charge connector of this protective sleeve battery respectively, and this charging-discharging controller then is electrically connected at this protective sleeve battery via said corresponding charge connector negative electrode should also be electrically connected at this charging-discharging controller by the correspondence charge connector again; This second connector is electrically connected at this bidirectional DC-DC converter; This discharges and recharges selector switch and is electrically connected at this charging-discharging controller; Discharge and recharge the selection of selector switch via this; One of them of this this protective sleeve battery of charging-discharging controller control and this rechargeable battery externally discharged via this bidirectional DC-DC converter, and this charging-discharging controller also can be controlled this protective sleeve battery and via this bidirectional DC-DC converter said rechargeable battery carried out and internal one of them of charging.
Thus, hand-held device can be given the another hand-held device that back discharge is given needs electric power to replenish with its electric power via said protective sleeve, really reaches the purpose of back discharge.
In order further to understand characteristic, characteristics and the technology contents of the utility model, see also following detailed description and accompanying drawing about the utility model, only accompanying drawing only provides reference and explanation usefulness, and is non-in order to restriction the utility model.
The protective sleeve of the let hand-held device back discharge that the utility model provides; It mainly is to let the hand-held device that is with the utility model protective sleeve that the another hand-held device is discharged (as shown in Figure 3), or lets two hand-held devices that distinctly are with the utility model protective sleeve discharge and recharge (as shown in Figure 4) each other.
See also Fig. 1, shown in Figure 2; The utility model can let in the protective sleeve of hand-held device back discharge; This hand-held device 800 has the rechargeable battery 8 that a charge connector 81 and is electrically connected at this charge connector; But this rechargeable battery 8 recharges and supplying power to hand-held device 800, this protective sleeve 100 comprises: a pair of inductive charging connector 1, a bidirectional DC-DC converter 2, a charging-discharging controller 3, one first connector 4, one second connector 5, discharge and recharge a selector switch 6 and a protective sleeve battery 7.
This bidirectional DC-DC converter 2 has a DC-DC step-up/step-down circuit module 21; (wherein: Fig. 5 A is a SEPIC-ZETA (Single-ended Primary Industry Converter to see also four kinds of feasible embodiment circuit diagrams that are this bidirectional DC-DC converter 2 shown in Fig. 5 A～Fig. 5 D; Be called for short SEPIC, in translate: single ended primary induction coupling transform device; Translate among the ZETA: the bi-directional DC-DC circuit Zero Energy Thermonuclear Assembly (Zeta) converter); Only at former SEPIC circuit (Single-ended Primary Industry Converter; Be called for short SEPIC; In translate: crystal of the other parallel connection of single ended primary induction coupling transform device) diode, and, can reach the two-way purpose that discharges and recharges at diode of the other parallel connection of the crystal of former SEPIC circuit.Utilize identical gimmick just can become two-way Buck-Boost DC-DC circuit to Buck-Boost (buck-boost converter) circuit modification like Fig. 5 B.Like Fig. 5 C then is the bi-directional DC-DC circuit with Flyback (inverse excitation type converter) circuit modification.Like Fig. 5 D then is the bi-directional DC-DC circuit with Cuk (mound gram converter) circuit modification).
This charging-discharging controller 3 has an overload preventing circuit module 31; Preferably also has a restricting circuits module 32; To limit the degree of external discharge, avoid whole discharge of electric power to other hand-held device (800a as shown in Figure 3) with the rechargeable battery 8 of the hand-held device 800 in the protective sleeve 100; This charging-discharging controller 3 is electrically connected at bidirectional DC-DC converter 2; And this first connector 4 is anodal with the electricity that bidirectional DC-DC converter 2 also is electrically connected at this protective sleeve battery 7 respectively, 3 negative electrodes that are electrically connected at this protective sleeve battery 7 via said corresponding charge connector 1 of this charging-discharging controller.This second connector 5 is electrically connected at bidirectional DC-DC converter 2.This discharges and recharges 6 of selector switches and is electrically connected at charging-discharging controller 3; With via the selection that discharges and recharges selector switch 6; And charging-discharging controller 3 these protective sleeve batteries 7 of control or this rechargeable battery 8 are externally discharged via this bidirectional DC-DC converter 2; Perhaps make these protective sleeve batteries 7 of charging-discharging controller 3 control via this bidirectional DC-DC converter 2 to the rechargeable battery 8 of the hand-held device 800 in the said protective sleeve 100 internally charge (that is: let the protective sleeve battery 8 can be, and rechargeable battery 8 chargings) to being placed in the hand-held device 800 in the protective sleeve 100 via the electrical butt joint of charge connector 81 and corresponding charge connector 1.In addition, also can the charger that a figure does not show be external in protective sleeve 100, and protective sleeve battery 7 or self rechargeable battery 8 (referring to be placed in the rechargeable battery 8 of the hand-held device 800 in the protective sleeve 100) are charged.
Wherein, first connector 4 and second connector 5 have anti-wrong design, to avoid wrong; Preferably; This first connector 4 and second connector 5 are micro USB (micro universal serial bus, Micro Universal Serial Bus are called for short Micro USB); Utilizing the general usability and the universal performance of those micro USBs, and make the utility model can also have convenience concurrently.The restricting circuits module 32 of this charging-discharging controller 3 can be: one, current flow policer (Power metter), the current flow when charging with control, or two, timer (Timer), the time span when charging with control.This bidirectional DC-DC converter 2 can also be adjusted the voltage height of rechargeable battery 8 when discharging and recharging by its DC-DC step-up/step-down circuit module 21.
In addition, in order to prevent the charge connector electric leakage of various hand-held devices, the past is that particular design has been done in original circuit module (the not marking component symbol) lining in hand-held device, so that known charge connector only can internally charge and can't externally discharge; Now; For making the utility model reach the purpose of " but back discharge ", must obtain the cooperation of hand-held device manufacturer earlier, the particular design of its original circuit module is changed to the permission back discharge; So; The rechargeable battery 8 of hand-held device 800 is except can be via charge connector 81 being recharged, can also be via the protective sleeve 100 of the utility model back discharge (reverse externally discharge), just can charge to other hand-held device.
See also shown in Figure 3; Be the utility model and be equipped with the sketch map of protective sleeve 100 (be positioned at Fig. 3 left side) when another hand-held device 800a (being positioned at Fig. 3 right side) is given in discharge of hand-hold device 800; Wherein, The protective sleeve 100 in Fig. 3 left side is shown as solid line, and hand-held device 800 then is shown as dotted line because be placed in this protective sleeve 100.Like figure; The user is discharge via the selector switch 6 that discharges and recharges of selecting left side protective sleeve 100; Control the externally discharge of rechargeable battery 8 beginnings of protective sleeve battery 7 or hand-held device 800 to utilize charging-discharging controller 3; The electric power that is discharged raises via the DC-DC step-up/step-down circuit module 21 of bidirectional DC-DC converter 2 or reduces voltage, is recharged the required voltage of object (the for example hand-held device 800a on Fig. 3 right side) to meet.Among the figure; By second connector 5 that is connected in protective sleeve 100 of a connecting line (not marking component symbol) and the charge connector 81 of hand-held device 800a; Can be with the electric power of the protective sleeve battery of building in the protective sleeve 100 7, or the electric power of the rechargeable battery 7 of the hand-held device 800 in the protective sleeve 100 discharged to the rechargeable battery 8 of hand-held device 800a; Thereby reach when urgent can be easily back discharge is given another hand-held device 800a via said protective sleeve 100 with the electric power (or electric power of autoprotection cover battery 7) of self hand-held device 800, need not also to take special-purpose charger and the transducer of 110/220V with oneself because be afraid of not have electricity temporarily when the user goes out.And for making the utility model protective sleeve 100 can be applicable to various hand-held device; (Micro USB) is general connector by micro USB, so that the hand-held device 800 of arbitrary pattern also can be via the utility model protective sleeve 100 to the hand-held device 800a discharge of arbitrary other pattern (that is: externally charging).
See also shown in Figure 4ly, be two protective sleeves 100 that respectively are equipped with hand-hold device 800,800a, the sketch map when 100a therebetween discharges and recharges.Like figure; The user is discharge via the selector switch 6 that discharges and recharges of selecting left side protective sleeve 100; With utilize charging-discharging controller 3 control its protective sleeve battery 7 or its externally discharge of rechargeable battery 8 beginnings of ccontaining hand-held device 800; The electric power that is discharged raises via the DC-DC step-up/step-down circuit module 21 of bidirectional DC-DC converter 2 or reduces voltage, is recharged the required voltage of object (the for example hand-held device 800a on Fig. 4 right side) to meet.Among the figure; By first connector 4 that is connected in left side protective sleeve 100 of a connecting line (not marking component symbol) and second connector 5 of right side protective sleeve 100a, can be with the electric power of protective sleeve battery 7, the electric power that maybe will be placed in the rechargeable battery 7 of the hand-held device 700 in the left side protective sleeve 100 discharges to the rechargeable battery 8 that is placed in the hand-held device 800a in the protective sleeve 100a of right side (that is: externally charging).
But when if the electric power of self hand-held device 800 is about to use up, the protective sleeve battery of building in the said protective sleeve 100 7 also can the rechargeable battery 8 that be placed in the hand-held device 800 in this protective sleeve 100 be charged (that is: internally charging).
In sum; The utility model can let the characteristics of protective sleeve of hand-held device back discharge be: by the particular design of circuit member and structure; Making ccontaining and electrically butt up against the rechargeable battery 8 of the hand-held device 800 in the utility model protective sleeve 100 can back discharge; And only can (must obtain the cooperation of hand-held device manufacturer certainly earlier as not known for another example to these hand-held device 800 power supplies; The particular design of its original circuit module is changed to the permission back discharge); Thereby can with the electric power of the rechargeable battery 8 of the electric power of the protective sleeve battery of building in the protective sleeve 100 7 or hand-hold device 800 via ccontaining the utility model protective sleeve 100; And give the another hand-held device 800a that back discharge is given needs electric power to replenish (or also be equipped with another the utility model protective sleeve 100a another hand-held device 800a), really can reach the purpose of back discharge; Furthermore, go out, be not need to carry again the both many and heavy different plugs in various charger, transducer and various countries of quantity when travelling.By the protective sleeve battery of building in 100 of the protective sleeves 7,, and has more convenient effect with also can the rechargeable battery 8 that be placed in the hand-held device 800 in this protective sleeve 100 be charged (that is: internally charging).By bidirectional DC-DC converter 2 and DC-DC step-up/step-down circuit module 21 thereof; With other hand-held device to different voltage requirements; And the electric power after will increasing voltage or downgrading voltage is externally exported, and can also accelerated to discharge and recharge by boosting of DC-DC step-up/step-down circuit module 21 even.
The above; Be merely the preferable possible embodiments of the utility model; Non-so promptly limit to the utility model interest field, the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes, and all reason is with being contained in the claim scope of the utility model.
Claims (7)
1. a charge connector and rechargeable battery that can let the protective sleeve of hand-held device back discharge, this hand-held device have to be electrically connected each other is characterized in that this protective sleeve comprises:
A pair of inductive charging connector electrically butts up against the charge connector of this hand-held device;
One protective sleeve battery is the battery that can discharge and recharge;
One first connector;
One bidirectional DC-DC converter has a DC-DC step-up/step-down circuit module;
One charging-discharging controller; Has the overload preventing circuit module; This charging-discharging controller is electrically connected at this bidirectional DC-DC converter; And this first connector is anodal with the electricity that this bidirectional DC-DC converter also is electrically connected at this protective sleeve battery respectively, and this charging-discharging controller then is electrically connected at the negative electrode of this protective sleeve battery via said corresponding charge connector;
One second connector is electrically connected at this bidirectional DC-DC converter; And
One discharges and recharges selector switch; Be electrically connected at this charging-discharging controller; Discharge and recharge the selection of selector switch via this; One of them of this this protective sleeve battery of charging-discharging controller control and this rechargeable battery externally discharged via this bidirectional DC-DC converter, and this charging-discharging controller also can be controlled this protective sleeve battery and via this bidirectional DC-DC converter said rechargeable battery internally charged.
2. according to the said protective sleeve that lets the hand-held device back discharge of claim 1, it is characterized in that wherein this first connector has anti-wrong design with this second connector.
3. according to the said protective sleeve that lets the hand-held device back discharge of claim 1, it is characterized in that wherein this first connector is a micro USB with this second connector.
4. according to the said protective sleeve that lets the hand-held device back discharge of claim 1, it is characterized in that wherein this charging-discharging controller has a restricting circuits module, restriction is the degree of discharge externally.
5. according to the said protective sleeve that lets the hand-held device back discharge of claim 4, it is characterized in that wherein this restricting circuits module is the current flow policer.
6. according to the said protective sleeve that lets the hand-held device back discharge of claim 4, it is characterized in that wherein this restricting circuits module is a timer.
7. according to the said protective sleeve that lets the hand-held device back discharge of claim 1, it is characterized in that wherein this bidirectional DC-DC converter is by its voltage height when discharging and recharging of its DC-DC step-up/step-down circuit module adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202949164U CN202190103U (en) | 2011-08-15 | 2011-08-15 | Protective jacket enabling handheld device to realize back discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202949164U CN202190103U (en) | 2011-08-15 | 2011-08-15 | Protective jacket enabling handheld device to realize back discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190103U true CN202190103U (en) | 2012-04-11 |
Family
ID=45921536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202949164U Expired - Fee Related CN202190103U (en) | 2011-08-15 | 2011-08-15 | Protective jacket enabling handheld device to realize back discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917371A (en) * | 2014-03-13 | 2015-09-16 | 浙江迈雷科技有限公司 | Multipath interlaced parallel phase-shift bidirectional CUK converter |
| CN110832728A (en) * | 2018-07-20 | 2020-02-21 | 深圳市大疆创新科技有限公司 | Charging and discharging device, charging method and handheld cloud platform assembly |
-
2011
- 2011-08-15 CN CN2011202949164U patent/CN202190103U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917371A (en) * | 2014-03-13 | 2015-09-16 | 浙江迈雷科技有限公司 | Multipath interlaced parallel phase-shift bidirectional CUK converter |
| CN110832728A (en) * | 2018-07-20 | 2020-02-21 | 深圳市大疆创新科技有限公司 | Charging and discharging device, charging method and handheld cloud platform assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20160815 |